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Sandra Pinelas é Professora Auxiliar na Academia Militar (Campus da Amadora). Trabalha na área das Equações Diferenciais Ordinárias e das Equações às Diferenças; dedica-se em particular, ao estudo do comportamento oscilatório, comportamento assimptótico e estabilidade das soluções.
Identification

Personal identification

Full name
Sandra Pinelas

Author identifiers

Ciência ID
0C19-F81C-22AD
ORCID iD
0000-0002-0984-0159

Email addresses

  • sandra.pinelas@gmail.com (Professional)
Education
Degree Classification
2007/01/24
Concluded
 Ciências da Matemática (Doutoramento)
Major in Análise Matemática
Universidade dos Açores, Portugal
"Comportamento Oscilatório de Sistemas às Diferenças" (THESIS/DISSERTATION)
 Aprovada com distinção e louvor por unanimidade
1997/12
Concluded
 Matemática Aplicada (Mestrado)
Universidade de Évora, Portugal
"Estudo da Proporção de Períodos Elevados em Autómatos de Wolfram por Simulação de Monte-Carlo" (THESIS/DISSERTATION)
 Bom
1995/06
Concluded
 Matemática (Licenciatura)
Major in Análise Matemática
Universidade de Évora, Portugal
"Iniciação ao Controlo Impulsivo com Equações Diferenciais Ordinárias" (THESIS/DISSERTATION)
 Bom
Affiliation

Teaching in Higher Education

Category
Host institution 		Employer
2012/04/01 - Current Assistant Professor (University Teacher) Academia Militar - Campus da Amadora, Portugal
2007/01/25 - 2012/03/31 Assistant Professor (University Teacher) Universidade dos Açores, Portugal
1999/03/09 - 2007/01/24 Assistant (University Teacher) Universidade dos Açores, Portugal
Outputs

Publications

Book
  1. Pinelas, Sandra. Differential and Difference Equations with Applications. Springer-Verlag. 2013.
    10.1007/978-1-4614-7333-6
  2. Agarwal, Ravi P.; Perera, Kanishka; Pinelas, Sandra. An Introduction to Complex Analysis. Springer-Verlag. 2011.
    10.1007/978-1-4614-0195-7
Book chapter
  1. "Stability of an n-Dimensional additive Functional Equation in Banach Spaces and Fuzzy Normed Space". 2019.
    10.1007/978-3-030-28950-8_10
  2. "Analytic Representation of Generalized Möbius-Listing’s Bodies and Classification of Links Appearing After Their Cut". 2018.
    10.1007/978-3-319-75647-9_38
  3. "Oscillation of Third Order Mixed Type Neutral Difference Equations". 2018.
    10.1007/978-3-319-75647-9_40
Conference paper
  1. Pinelas, S.; Došlá, Z.; Došlý, O.; Kloeden, P.E.. "Preface". 2016.
Journal article
  1. Paolo Emilio RICCI; Diego CARATELLI; Sandra PINELAS. "Laplace Transform of nested analytic functions via Bell’s polynomials". Advances in the Theory of Nonlinear Analysis and its Application (2023): https://doi.org/10.31197/atnaa.1187617.
    10.31197/atnaa.1187617
  2. Mohammad Younus Bhat; Aamir Hamid Dar; Irfan Nurhidayat; Sandra Pinelas. "An Interplay of Wigner–Ville Distribution and 2D Hyper-Complex Quadratic-Phase Fourier Transform". Fractal and Fractional (2023): https://doi.org/10.3390/fractalfract7020159.
    10.3390/fractalfract7020159
  3. Djamila Chergui; Ahcene Merad; Sandra Pinelas. "Existence and uniqueness of solutions to higher order fractional partial differential equations with purely integral conditions". Analysis (2023): https://doi.org/10.1515/anly-2021-0016.
    10.1515/anly-2021-0016
  4. Mohammad Younus Bhat; Aamir Hamid Dar; Irfan Nurhidayat; Sandra Pinelas. "Uncertainty Principles for the Two-Sided Quaternion Windowed Quadratic-Phase Fourier Transform". Symmetry (2022): https://doi.org/10.3390/sym14122650.
    10.3390/sym14122650
  5. Ali Fuat Yeniçerioglu; Cüneyt Yazici; Sandra Pinelas. "On the stability and behavior of solutions in mixed differential equations with delays and advances". Mathematical Methods in the Applied Sciences (2022): https://doi.org/10.1002/mma.8049.
    10.1002/mma.8049
  6. Ercan Tunç; Serpil Sahin; John Graef; Sandra Pinelas. "New oscillation criteria for third-order differential equations with bounded and unbounded neutral coefficients". Electronic Journal of Qualitative Theory of Differential Equations (2021): https://doi.org/10.14232/ejqtde.2021.1.46.
    10.14232/ejqtde.2021.1.46
  7. Ali Fuat Yeniçerioglu; Sandra Pinelas; Yubin Yan. "On the behavior of the solutions for linear autonomous mixed type difference equation". Rendiconti del Circolo Matematico di Palermo Series 2 (2020): https://doi.org/10.1007/s12215-019-00435-y.
    10.1007/s12215-019-00435-y
  8. N. Prabaharan; C. Dharuman; E. Thandapani; S. Pinelas. "New Oscillation Criteria for Second Order Quasilinear Neutral Delay Differential Equations". Differential Equations and Dynamical Systems (2020): https://doi.org/10.1007/s12591-020-00550-8.
    10.1007/s12591-020-00550-8
  9. "Existence of Nonoscillatory Solutions to Third Order Neutral Type Difference Equations with Delay and Advanced Arguments". Mathematica Bohemica (2020): http://mb.math.cas.cz/full/online1st/MB.2020.0099-19.pdf.
    10.21136/MB.2020.0099-19
  10. "Solution of a 3-D Cubic functional equation and its stability". AIMS Mathematics (2020): https://www.aimspress.com/fileOther/PDF/Math/math-05-03-114.pdf.
    10.3934/math.2020114
  11. "Hyers-Ulam stability of quadratic functional equation". Journal of Physics: Conference Series (2020): https://iopscience.iop.org/article/10.1088/1742-6596/1597/1/012002/pdf.
    10.1088/1742-6596/1597/1/012002
  12. "Stability of an non-additive functional equation". Journal of Physics: Conference Series (2020): https://iopscience.iop.org/article/10.1088/1742-6596/1597/1/012042/pdf.
    10.1088/1742-6596/1597/1/012042
  13. Sandra Pinelas. "Solutions and Stability of an n-Variable Additive Functional Equation". The Korean Journal of Mathematics (2020): http://kkms.org/index.php/kjm/article/view/940/561.
    10.11568/kjm.2020.28.3.613
  14. Sandra Pinelas. "Hyers-Ulam stability of an additive-quadratic functional equation". CUBO, A Mathematical Journal (2020): http://revistas.ufro.cl/ojs/index.php/cubo/article/view/2365/1996.
    10.4067/S0719-06462020000200233
  15. Sandra Pinelas; V. Govindan; K. Tamilvanan. "Solution and stability of an n-dimensional functional equation". Analysis 0 0 (2019): https://doi.org/10.1515/anly-2018-0029.
    10.1515/anly-2018-0029
  16. Clemente Cesarano; Sandra Pinelas; Faisal Al-Showaikh; Omar Bazighifan. "Asymptotic Properties of Solutions of Fourth-Order Delay Differential Equations". Symmetry 11 5 (2019): 628-628. https://doi.org/10.3390/sym11050628.
    10.3390/sym11050628
  17. Clemente Cesarano; Sandra Pinelas; Paolo Ricci. "The Third and Fourth Kind Pseudo-Chebyshev Polynomials of Half-Integer Degree". Symmetry (2019): https://doi.org/10.3390/sym11020274.
    10.3390/sym11020274
  18. S. Selvarangam; S. A. Rupadevi; E. Thandapani; S. Pinelas. "Oscillation criteria for even order neutral difference equations". Opuscula Mathematica 39 1 (2019): 91-91. https://doi.org/10.7494/OpMath.2019.39.1.91.
    10.7494/OpMath.2019.39.1.91
  19. "On Oscillatory Second-Order Nonlinear Delay Differential Equations of Neutral Type". Open Journal Mathematical Sciences (2019): https://pisrt.org/psrpress/j/oms/2019/1/38/on-oscillatory-second-order-nonlinear-delay-differential-equations-of-neutral-type.pdf.
    10.30538/oms2019.0080
  20. "Higher Order Fibonacci Summation Formula with Extorial Functions". Journal of Computational Mathematica (2019): https://shcpub.in/index.php/cm/article/view/52.
    10.26524/cm48
  21. "Oscillation Theorems for Third Order Nonlinear Delay Difference Equations". Mathematica Bohemica (2019): https://articles.math.cas.cz/10.21136/MB.2018.0019-17.
    10.21136/MB.2018.0019-17
  22. "Fractional Frequency Laplace Transform by Inverse Difference Operator With Shift Value". Open Journal of Mathematical Sciences (2019): https://pisrt.org/psrpress/j/oms/2019/1/13/fractional-frequency-laplace-transform-by-inverse-difference-operator-with-shift-value.pdf.
    10.30538/oms2019.0055
  23. "Stability of Pinelas-Septoicosic Functional Equation". Open Journal of Mathematical Sciences (2019): https://pisrt.org/psrpress/j/oms/2019/1/38/on-oscillatory-second-order-nonlinear-delay-differential-equations-of-neutral-type.pdf.
    10.30538/oms2019.0045
  24. "Generalized Additive Functional Equation in Digital Spatial Image Crypto Technics System". IOSR Journal of Mathematics (2019): http://www.iosrjournals.org/iosr-jm/papers/Vol15-issue4/Series-1/H1504016976.pdf.
    10.9790/5728-1504016976
  25. "An n-dimensional cubic functional equation and its Hyers–Ulam stability". The Journal of Analysis (2019): https://link.springer.com/article/10.1007/s41478-019-00178-0.
    10.1007/s41478-019-00178-0
  26. "Stability of a Sexvigintic Functional Equation". Nonlinear Functional Analysis and Applications (2019): http://nfaa.kyungnam.ac.kr/journal-nfaa/index.php/NFAA/article/view/1172/1009.
    10.22771/nfaa.2019.24.02.06
  27. "On Sheffer polynomial families". 4Open (2019): https://www.4open-sciences.org/articles/fopen/abs/2019/01/fopen180039/fopen180039.html.
    10.1051/fopen/2019004
  28. "Mathematical Analysis of a Prey-predator System: An Adaptive Back Step Control and Stochastic Approach". Mathematical and Computational Applications (2019): https://www.mdpi.com/2297-8747/24/1/22/htm.
    10.3390/mca24010022
  29. Sandra Pinelas; V. Govindan; K. Tamilvanan. "Stability of a quartic functional equation". Journal of Fixed Point Theory and Applications 20 4 (2018): https://doi.org/10.1007/s11784-018-0629-z.
    10.1007/s11784-018-0629-z
  30. Sandra Pinelas; Shyam Sundar Santra; Shyam S. Santra. "Necessary and sufficient condition for oscillation of nonlinear neutral first-order differential equations with several delays". Journal of Fixed Point Theory and Applications 20 1 (2018): https://doi.org/10.1007/s11784-018-0506-9.
    10.1007/s11784-018-0506-9
  31. "Correction to: Oscillations of Difference Equations with Several Deviated Arguments". Aequationes Mathematicea (2018): https://link.springer.com/article/10.1007/s00010-018-0581-4.
    10.1007/s00010-018-0581-4
  32. "New Type of Quadratic Functional Equation and Its Stability". International Journal of Mathematics Trends and Technology (2018): http://www.ijmttjournal.org/archive/ijmtt-v60p528.
    10.14445/22315373/IJMTT-V60P528
  33. "Generalized Hyers-Ulam Stability of a AQ Functional Equation". International Journal for Research in Engineering Application & Management (2018): http://ijream.org/papers/IJREAMV04I0642024.pdf.
    10.18231/2454-9150.2018.0685
  34. "Pfister 16 - Square Quadratic Functional Equation". Global Journal of Mathemathics (2018): http://gpcpublishing.org/index.php/gjm/article/view/437..
    10.13140/RG.2.2.13636.88966
  35. "Non-linear Dynamics of Expression of BMAL1: a Mathematical Study". NONlinear Studies (2018): http://www.nonlinearstudies.com.
  36. "Oscillation of Second Order Difference Equation with Several Sub-Linear Neutral Term". Far East Journal of Mathematical Sciences (2018): http://www.pphmj.com/abstract/11804.htm.
    10.1186/s13662-018-1806-5
  37. "Orthogonal Stability of Mixed Type Additive-Cubic Functional Equations in Multi-Banach Spaces". Demonstratio Mathematica (2018): https://www.degruyter.com/view/journals/dema/51/1/article-p106.xml?rskey=Jadi8o&result=1.
    10.1515/dema-2018-0012
  38. "Stability of an Additive-Quartic Functional Equation". International Journal for Research in Engineering Application & Management (2018): http://ijream.org/papers/IJREAMV04I0743013.pdf.
    10.18231/2454-9150.2018.0899
  39. "Discrete Heat Equation model of Rod by Partial Fibonacci Difference Operator with shift values". International Journal of Engineering & Technology (2018): https://www.sciencepubco.com/index.php/ijet/article/view/21317/10079.
    10.14419/ijet.v7i4.10.21317
  40. "Division by Zero z/0=0 and Differential Equations". International Journal of Applied Mathematics and Statistics (2018): http://www.ceser.in/ceserp/index.php/ijamas/article/view/5582.
  41. "Stability of Cubic Functional Equation in Random Normed Space". Journal of Advances in Mathematics (2018): https://rajpub.com/index.php/jam/article/view/7614.
    10.24297/jam.v14i2.7614
  42. "Stability of Non-Additive Functional Equation". IOSR Journal of Mathematics (2018): http://iosrjournals.org/iosr-jm/papers/Vol14-issue2/Version-1/I1402016078.pdf.
    10.9790/5728-1402016078
  43. "Fibonacci Sequence and its Sum by Second Order Difference Operator with Polynomial Factorial". Journal of Computational Mathematica (2018): http://shcpub.edu.in/web/binary/view_document/?model=ir.attachment&id=7322.
    10.26524/cm36
  44. "Stability of General Quadratic - Cubic - Quartic Functional Equation in Quasi Beta Banach Space Via Two Dissimilar Methods". Malaya Journal of Matematik (2018): http://malayajournal.org/selected_article.php?id=399.
    10.26637/MJM0601/0015
  45. Murali Ramdoss; Sandra Pinelas; Antony Raj Ardulass. "Ulam–Hyers stability of hexadecic functional equations in multi-Banach spaces". Analysis 37 4 (2017): https://doi.org/10.1515/anly-2016-0044.
    10.1515/anly-2016-0044
  46. "Higher Order Fibonacci Sequence and Series by Generalized Higher Order Variable Co-Efficient Difference Operator". Journal of Computational Mathematica (2017): https://shcpub.in/index.php/cm/article/view/10.
    10.26524/cm9
  47. "Laplace - Fibonacci Transform by the Solution of Second Order Generalized Difference Equation". Nonautonomus Dynamical Systems (2017): https://www.degruyter.com/view/journals/msds/4/1/article-p22.xml?language=en.
    10.1515/msds-2017-0003
  48. "Oscillations of Solutions to Non-linear First-Order Difference Equations with several Advanced Arguments". Opuscula Mathematica (2017): https://www.opuscula.agh.edu.pl/om-vol37iss6art8.
    10.7494/opmath.2017.37.6.887
  49. "Stability of Tridecic Functional Equation in Matrix Normed Spaces". Journal of Advances in Mathematics (2017):
    10.24297/jam.v13i2.5947
  50. Sandra Pinelas. "General Solution and a fixed point approach to the Ulam Hyers Stability of Viginti Duo Functional Equation in Multi-Banach Spaces". OISR Journal of Mathematics (2017): http://www.iosrjournals.org/iosr-jm/papers/Vol13-issue4/Version-2/I1304024859.pdf.
    10.9790/5728-1304024859
  51. Berezansky, L.; Pinelas, S.. "Oscillation properties for a scalar linear difference equation of mixed type". Mathematica Bohemica 141 2 (2016): 169-182. http://www.scopus.com/inward/record.url?eid=2-s2.0-84975862595&partnerID=MN8TOARS.
    10.21136/MB.2016.14
  52. Ravi, K.; Rassias, J.M.; Pinelas, S.; Sabarinathan, S.. "A fixed point approach to the stability of decic functional equation in quasi-ß-normed spaces". Panamerican Mathematical Journal 26 2 (2016): 1-21. http://www.scopus.com/inward/record.url?eid=2-s2.0-84983288347&partnerID=MN8TOARS.
  53. Pinelas, Sandra. "Modeling the Additive Functional Equations Through RSM Matrices". Journal of Advances in Mathematics (2016): https://cirworld.com/index.php/jam/article/view/117.
  54. Thandapani, E.; Kannan, M.; Pinelas, S.. "Interval oscillation criteria for second-order forced impulsive delay differential equations with damping term". SpringerPlus 5 1 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-84966339523&partnerID=MN8TOARS.
    10.1186/s40064-016-2117-5
  55. Pinelas, Sandra. "Qualitative behaviour for second order nonlinear delay differential equations of neutral type". Global Journal of Mathematics (2016): http://gpcpublishing.com/index.php?journal=gjm&page=article&op=view&path%5B%5D=600&path%5B%5D=pdf_95.
  56. Pinelas, Sandra. "Classifications od Solutions of Second Order Nonlinear Neutral Difference Equations of Mixed Type". Journal Dynamics of Continuous, Discrete and Impulsive Systems, Seria B Applications and Algoritms (2016): http://online.watsci.org/abstract_pdf/2016v23/v23n6b-pdf/4.pdf.
  57. Pinelas, Sandra. "General Solutions and Stability of Quattuordecic Functional Equation in Quasi ß – Normed Spaces". Advances in Pure Mathematics (2016): http://www.scirp.org/journal/PaperInforCitation.aspx?PaperID=72406.
    DOI: 10.4236/apm.2016.612070
  58. "Necessary and sufficient condition for asymptotic behavior of solutions of a class of first order impulsive systems". Advances in Dynamical Systems and Applications (2016): http://campus.mst.edu/adsa/contents/v11n2p6.pdf.
  59. D. Segher; E. Thandapani; S. Pinelas. "Some New Oscillation Theorems for Second Order Difference Equations with Mixed Neutral Terms". BJMCS 8 2 (2015): 121-133. http://dx.doi.org/10.9734/bjmcs/2015/16079.
    10.9734/bjmcs/2015/16079
  60. Pinelas, Sandra. "A FIXED POINT APPROACH TO GENERALIZED HYERSULAM STABILITY OF QUADRATIC FUNCTIONAL EQUATION IN MATRIX NORMED SPACES". Enlightenment of Pure and Applied Mathematics (2015): http://aditisci.com/index.php?act=arti&jid=50&volId=40&issuId=51&arti=193&view=1.
  61. Chatzarakis, G.E.; Péics, H.; Pinelas, S.; Stavroulakis, I.P.. "Oscillation results for difference equations with oscillating coefficients". Advances in Difference Equations 2015 1 (2015): http://www.scopus.com/inward/record.url?eid=2-s2.0-84923852176&partnerID=MN8TOARS.
    10.1186/s13662-015-0391-0
  62. Koplatadze, R.; Pinelas, S.. "Oscillation Criteria for the First-Order Linear Difference Equations with Several Delay Arguments". Journal of Mathematical Sciences (United States) 208 5 (2015): 571-592. http://www.scopus.com/inward/record.url?eid=2-s2.0-84957936949&partnerID=MN8TOARS.
    10.1007/s10958-015-2468-4
  63. Seghar, D.; Thandapani, E.; Pinelas, S.. "Oscillation theorems for second order difference equations with negative neutral term". Tamkang Journal of Mathematics 46 4 (2015): 441-451. http://www.scopus.com/inward/record.url?eid=2-s2.0-84948759201&partnerID=MN8TOARS.
    10.5556/j.tkjm.46.2015.1827
  64. "Stability of Pythagorean Mean Functional Equation". Global Journal of Mathematics (2015): http://www.gpcpublishing.com/index.php?journal=gjm&page=article&op=view&path%5B%5D=275.
  65. Sandra Pinelas. "Oscillation Criteria For Even-Order Nonlinear Neutral Differential Equations of Mixed Type". Bulletin of Mathematical Analysis and Applications (2014): http://www.emis.de/journals/BMAA/repository/docs/BMAA6_1_2.pdf.
  66. Pinelas, Sandra. "Oscillation Criteria for First Order Linear Difference with Several Delay Arguments". Nonlilear Oscillations (2014): http://www.imath.kiev.ua/~nosc/web/show_article.php?lang=en&article_id=999.
  67. Pinelas, Sandra. "OSCILLATION CRITERIA OF DIFFERENCE EQUATIONS WITH SEVERAL DEVIATING ARGUMENTS". Yokohama Mathematical Journal (2014): https://www.researchgate.net/profile/George_Chatzarakis2/publication/274138038_paper_68/links/5516d8b40cf2f7d80a39b37a.pdf.
  68. Thandapani, E.; Padmavathy, S.; Pinelas, S.. "Oscillation criteria for odd-order nonlinear differential equations with advanced and delayed arguments". Electronic Journal of Differential Equations 2014 (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84907353037&partnerID=MN8TOARS.
  69. Selvarangam, S.; Thandapani, E.; Pinelas, S.. "Oscillation theorems for second order nonlinear neutral difference equations". Journal of Inequalities and Applications 2014 1 (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84929440446&partnerID=MN8TOARS.
    10.1186/1029-242X-2014-417
  70. Ravi, K.; Rassias, J.M.; Pinelas, S.; Narasimman, P.. "The stability of a generalized radical reciprocal quadratic functional equation in Felbin's space". Panamerican Mathematical Journal 24 1 (2014): 75-92. http://www.scopus.com/inward/record.url?eid=2-s2.0-84905259000&partnerID=MN8TOARS.
  71. Pinelas, S.. "Asymptotic behavior of solutions to mixed type differential equations". Electronic Journal of Differential Equations 2014 (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84908293890&partnerID=MN8TOARS.
  72. Thandapani, E.; Padmavathi, S.; Pinelas, S.. "Oscillation results for odd-order nonlinear neutral differential equations of mixed type". Dynamic Systems and Applications 23 1 (2014): 63-74. http://www.scopus.com/inward/record.url?eid=2-s2.0-84902141237&partnerID=MN8TOARS.
  73. Ferreira, J.M.; Pinelas, S.; Ruffing, A.. "Oscillatory difference equations and moment problems". Advances in Difference Equations 2014 1 (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84899623579&partnerID=MN8TOARS.
    10.1186/1687-1847-2014-110
  74. Srinivasan Selvarangam; Ethiraju Thandapani; Sandra Pinelas. "Oscillation theorems for second order nonlinear neutral difference equations". Journal of Inequalities and Applications 2014 1 (2014): 417-417. http://dx.doi.org/10.1186/1029-242x-2014-417.
    10.1186/1029-242x-2014-417
  75. Sandra Pinelas. "Delay Difference Equations: Coexistence of Oscillatory and Nonoscillatory Solutions". Analysis (2013): http://www.degruyter.com/view/j/anly.2013.33.issue-4/anly-2013-1226/anly-2013-1226.xml?format=INT.
    10.1524/anly.2013.1226
  76. Koplatadze, R.; Pinelas, S.. "On oscillation of solutions of second-order nonlinear difference equations". Journal of Mathematical Sciences (United States) 189 5 (2013): 784-794. http://www.scopus.com/inward/record.url?eid=2-s2.0-84880580693&partnerID=MN8TOARS.
    10.1007/s10958-013-1218-8
  77. Chatzarakis, G.E.; Pinelas, S.; Stavroulakis, I.P.. "Oscillations of difference equations with several deviated arguments". Aequationes Mathematicae (2013): 1-19. http://www.scopus.com/inward/record.url?eid=2-s2.0-84887903467&partnerID=MN8TOARS.
    10.1007/s00010-013-0238-2
  78. Sandra Pinelas. "Oscillation Criteria For Even Order Nonlinear Neutral Differential Equations With Mixed Arguments". Journal of Advances in Mathematics (2013): http://www.cirworld.com/index.php/JAM/article/view/3179/pdf_62.
  79. Grace, S.R.; Pinelas, S.; Agarwal, R.P.. "Oscillation criteria for nth order nonlinear dynamic equations on time-scales". Journal of the Indian Mathematical Society 80 1-2 (2013): 79-85. http://www.scopus.com/inward/record.url?eid=2-s2.0-84885595930&partnerID=MN8TOARS.
  80. Thandapani, E.; Piramanantham, V.; Pinelas, S.. "Oscillation theorems of fourth order nonlinear dynamic equations on time scales". International Journal of Pure and Applied Mathematics 76 4 (2012): 455-468. http://www.scopus.com/inward/record.url?eid=2-s2.0-84861065194&partnerID=MN8TOARS.
  81. Thandapani, E.; Kavitha, N.; Pinelas, S.. "Comparison and oscillation theorem for second-order nonlinear neutral difference equations of mixed type". Dynamic Systems and Applications 21 1 (2012): 83-92. http://www.scopus.com/inward/record.url?eid=2-s2.0-84861843489&partnerID=MN8TOARS.
  82. Thandapani, E; Padmavathi, S; Pinelas, S. "Classifications of solutions of second-order nonlinear neutral differential equations of mixed type". Advances in Difference Equations 2012 1 (2012): 226-226. http://dx.doi.org/10.1186/1687-1847-2012-226.
    10.1186/1687-1847-2012-226
  83. Thandapani, E.; Kavitha, N.; Pinelas, S.. "Oscillation criteria for second-order nonlinear neutral difference equations of mixed type". Advances in Difference Equations 2012 (2012): http://www.scopus.com/inward/record.url?eid=2-s2.0-84871322345&partnerID=MN8TOARS.
    10.1186/1687-1847-2012-4
  84. Pinelas, Sandra. "On oscillations of solutions of second order nonlinear difference equations". Nonlinear Oscillations (2012): http://link.springer.com/journal/11072.
  85. Pinelas, Sandra. "Oscillation of Nonlinear Difference Equations with Delayed Argument". Communications in Applied Analysis (2012): http://www.dynamicpublishers.com/CAA/caacontent.htm.
  86. Agarwal, R.P.; Grace, S.R.; Pinelas, S.. "Oscillatory behaviour of odd order neutral delay dynamic equations on time-scales". International Journal of Dynamical Systems and Differential Equations 4 3 (2012): 187-197. http://www.scopus.com/inward/record.url?eid=2-s2.0-84867857214&partnerID=MN8TOARS.
    10.1504/IJDSDE.2012.049885
  87. Pinelas, Sandra. "Oscillation Criteria for a Certain Fourth Order Sublinear Dynamic Equations on Time Scales". Annals of Differential Equations (2011): http://www.oriprobe.com/journals/caod_4318/2011_3.html.
  88. Pinelas, Sandra. "Oscillation of Some Fourth-Order Difference Equations". International Journal of Difference Equations (2011): http://campus.mst.edu/ijde/contents/v6n2p2.pdf.
  89. Ferreira, J.M.; Ford, N.J.; Malique, M.A.; Pinelas, S.; Yan, Y.. "Analytical and numerical treatment of oscillatory mixed differential equations with differentiable delays and advances". Journal of Computational and Applied Mathematics 235 17 (2011): 5112-5130. http://www.scopus.com/inward/record.url?eid=2-s2.0-80955179531&partnerID=MN8TOARS.
    10.1016/j.cam.2011.04.041
  90. Pinelas, Sandra. "Upper and Lower Solutions Method for Impulsive Differential Equations Involving the Caputo Fractional Derivative". Memoirs on Differential Equations and Mathematical Physics (2011): http://www.emis.de/journals/MDEMP/vol53/vol53-1.pdf.
  91. Agarwal, R.P.; Grace, S.R.; Pinelas, S.. "Comparison and oscillatory behavior for certain second order nonlinear dynamic equations". Journal of Applied Mathematics and Computing 35 1-2 (2011): 525-536. http://www.scopus.com/inward/record.url?eid=2-s2.0-78651356540&partnerID=MN8TOARS.
    10.1007/s12190-009-0376-9
  92. Agarwal, R.P.; Benchohra, M.; Hamani, S.; Pinelas, S.. "Boundary value problems for differential equations involving riemann-liouville fractional derivative on the half-line". Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis 18 2 (2011): 235-244. http://www.scopus.com/inward/record.url?eid=2-s2.0-79551587558&partnerID=MN8TOARS.
  93. Pinelas, S.; Piramanantham, V.; Thandapani, E.. "Oscillation criteria for second-order neutral delay dynamic equations with mixed nonlinearities". Advances in Difference Equations 2011 (2011): http://www.scopus.com/inward/record.url?eid=2-s2.0-79955038325&partnerID=MN8TOARS.
    10.1155/2011/513757
  94. Agarwal, R.P.; Grace, S.R.; Pinelas, S.. "On the oscillation of fourth order superlinear dynamic equations on time scales". Dynamic Systems and Applications 20 1 (2011): 45-54. http://www.scopus.com/inward/record.url?eid=2-s2.0-79959436245&partnerID=MN8TOARS.
  95. Grace, S.R.; Pinelas, S.. "Asymptotic behavior of solutions of certain nonlinear differential and integro-differential equations". Proceedings of the Jangjeon Mathematical Society 13 2 (2010): 133-148. http://www.scopus.com/inward/record.url?eid=2-s2.0-77955532313&partnerID=MN8TOARS.
  96. Ferreira, J.M.; Pinelas, S.. "Oscillatory nonautonomous lucas sequences". International Journal of Differential Equations 2010 (2010): http://www.scopus.com/inward/record.url?eid=2-s2.0-84887651932&partnerID=MN8TOARS.
    10.1155/2010/596350
  97. Kumar, B.V.S.; Pinelas, S.; Ravi, K.; Thandapani, E.. "Solution and generalized hyers-ulam stability of a 2-variable cubic functional equation". Panamerican Mathematical Journal 20 4 (2010): 15-30. http://www.scopus.com/inward/record.url?eid=2-s2.0-79958077788&partnerID=MN8TOARS.
  98. Ferreira, J.M.; Pinelas, S.. "Oscillatory mixed differential systems". Funkcialaj Ekvacioj 53 1 (2010): 1-20. http://www.scopus.com/inward/record.url?eid=2-s2.0-77953559063&partnerID=MN8TOARS.
    10.1619/fesi.53.1
  99. Agarwal, R.P.; O'Regan, D.; Pinelas, S.. "Bounds for analytic solutions to integral equations in the complex domain". Applied Mathematics Letters 23 8 (2010): 847-851. http://www.scopus.com/inward/record.url?eid=2-s2.0-84860281964&partnerID=MN8TOARS.
    10.1016/j.aml.2010.03.020
  100. Murugadass, S.; Pinelas, S.; Thandapani, E.. "Oscillation criteria for forced second-order mixed type quasilinear delay differential equations". Electronic Journal of Differential Equations 2010 (2010): 1-9. http://www.scopus.com/inward/record.url?eid=2-s2.0-77955437958&partnerID=MN8TOARS.
  101. Agarwal, R.P.; Grace, S.R.; Pinelas, S.. "Oscillation criteria for certain fourth order nonlinear difference equations". Communications in Applied Analysis 14 3-4 (2010): 337-342. http://www.scopus.com/inward/record.url?eid=2-s2.0-79551588152&partnerID=MN8TOARS.
  102. "Oscillations criteria for second order nonlinear differential equations with damping and mixed nonlinearities". Journal Functional Differential Equations (2010):
  103. Pinelas, Sandra. "On the Oscillatory and Asymptotic Behavior of Certain Fourth Order Difference Equations". Functional Differential Equations (2010):
  104. Agarwal, R.P.; Grace, S.R.; Pinelas, S.. "On the oscillations of fourth order functional differential equations". Communications in Applied Analysis 13 1 (2009): 93-104. http://www.scopus.com/inward/record.url?eid=2-s2.0-67649238185&partnerID=MN8TOARS.
  105. Berezansky, L.; Braverman, E.; Pinelas, S.. "On nonoscillation of mixed advanced-delay differential equations with positive and negative coefficients". Computers and Mathematics with Applications 58 4 (2009): 766-775. http://www.scopus.com/inward/record.url?eid=2-s2.0-67649831352&partnerID=MN8TOARS.
    10.1016/j.camwa.2009.04.010
  106. Agarwal, R.P.; Pinelas, S.. "Qualitative theory of divided difference first order systems". Communications on Applied Nonlinear Analysis 16 2 (2009): 83-105. http://www.scopus.com/inward/record.url?eid=2-s2.0-68049123418&partnerID=MN8TOARS.
  107. Ferreira, J.M.; Pinelas, S.; Ruffing, A.. "Nonautonomous oscillators and coefficient evaluation for orthogonal function systems". Journal of Difference Equations and Applications 15 11-12 (2009): 1117-1133. http://www.scopus.com/inward/record.url?eid=2-s2.0-70449657211&partnerID=MN8TOARS.
    10.1080/10236190902877764
  108. Agarwal, R.P.; Pinelas, S.; Wong, P.J.Y.. "Complementary Lidstone interpolation and boundary value problems". Journal of Inequalities and Applications 2009 (2009): http://www.scopus.com/inward/record.url?eid=2-s2.0-76649115332&partnerID=MN8TOARS.
    10.1155/2009/624631
  109. Pinelas, Sandra. "Nonoscillations in odd order difference systems of mixed type". Proceedings of the International Conference on Difference Equations, Special Functions and Applications, World Scientific (2006): http://www.worldscientific.com/worldscibooks/10.1142/6446#t=toc.
  110. Ferreira, J.M.; Pinelas, S.. "Oscillatory mixed difference systems". Advances in Difference Equations 2006 (2006): http://www.scopus.com/inward/record.url?eid=2-s2.0-33749535879&partnerID=MN8TOARS.
    10.1155/ADE/2006/92923
  111. Ferreira, J.M.; Pinelas, S.. "Nonoscillations in retarded systems". Journal of Mathematical Analysis and Applications 308 2 (2005): 714-729. http://www.scopus.com/inward/record.url?eid=2-s2.0-20744440496&partnerID=MN8TOARS.
    10.1016/j.jmaa.2004.11.059
  112. Pinelas, Sandra. "Nonoscillations in retarded equations". Proceedings of the International Conference on Dynamical Systems and Applications, GBS Publishers & Distributors (2004): http://faculty.kfupm.edu.sa/MATH/akca/papers/pinelas.pdf.
  113. Ferreira, J.M.; Pinelas, S.. "Oscillatory retarded functional systems". Journal of Mathematical Analysis and Applications 285 2 (2003): 506-527. http://www.scopus.com/inward/record.url?eid=2-s2.0-0141544961&partnerID=MN8TOARS.
    10.1016/S0022-247X(03)00421-9

Other

Other output
  1. Maximum Modulus Principle. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_20.
    10.1007/978-1-4614-0195-7_20
  2. Complex Numbers III. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_3.
    10.1007/978-1-4614-0195-7_3
  3. Cauchy’s Integral Formula. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_17.
    10.1007/978-1-4614-0195-7_17
  4. Summation of Series. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_36.
    10.1007/978-1-4614-0195-7_36
  5. Periodic Functions. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_45.
    10.1007/978-1-4614-0195-7_45
  6. Singularities and Poles I. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_29.
    10.1007/978-1-4614-0195-7_29
  7. Zeros of Analytic Functions. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_26.
    10.1007/978-1-4614-0195-7_26
  8. Symmetry and Reflection. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_28.
    10.1007/978-1-4614-0195-7_28
  9. Power Series. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_23.
    10.1007/978-1-4614-0195-7_23
  10. Complex Numbers I. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_1.
    10.1007/978-1-4614-0195-7_1
  11. Cauchy-Goursat Theorem. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_15.
    10.1007/978-1-4614-0195-7_15
  12. Independence of Path. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_14.
    10.1007/978-1-4614-0195-7_14
  13. The Riemann Zeta Function. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_46.
    10.1007/978-1-4614-0195-7_46
  14. Laurent’s Series. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_25.
    10.1007/978-1-4614-0195-7_25
  15. Singularities and Poles II. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_30.
    10.1007/978-1-4614-0195-7_30
  16. Harmonic Functions. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_40.
    10.1007/978-1-4614-0195-7_40
  17. Mappings by Functions I. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_10.
    10.1007/978-1-4614-0195-7_10
  18. Elementary Functions II. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_9.
    10.1007/978-1-4614-0195-7_9
  19. Complex Numbers II. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_2.
    10.1007/978-1-4614-0195-7_2
  20. Analytic Continuation. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_27.
    10.1007/978-1-4614-0195-7_27
  21. History of Complex Numbers. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_50.
    10.1007/978-1-4614-0195-7_50
  22. The Fundamental Theorem of Algebra. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_19.
    10.1007/978-1-4614-0195-7_19
  23. Julia and Mandelbrot Sets. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_49.
    10.1007/978-1-4614-0195-7_49
  24. Bieberbach’s Conjecture. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_47.
    10.1007/978-1-4614-0195-7_47
  25. Taylor’s Series. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_24.
    10.1007/978-1-4614-0195-7_24
  26. Infinite Products. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_42.
    10.1007/978-1-4614-0195-7_42
  27. Indented Contour Integrals. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_34.
    10.1007/978-1-4614-0195-7_34
  28. Cauchy’s Residue Theorem. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_31.
    10.1007/978-1-4614-0195-7_31
  29. Elementary Functions I. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_8.
    10.1007/978-1-4614-0195-7_8
  30. Analytic Functions I. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_6.
    10.1007/978-1-4614-0195-7_6
  31. Weierstrass’s Factorization Theorem. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_43.
    10.1007/978-1-4614-0195-7_43
  32. The Riemann Surfaces. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_48.
    10.1007/978-1-4614-0195-7_48
  33. Conformal Mappings. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_39.
    10.1007/978-1-4614-0195-7_39
  34. Deformation Theorem. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_16.
    10.1007/978-1-4614-0195-7_16
  35. Behavior of Analytic Mappings. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_38.
    10.1007/978-1-4614-0195-7_38
  36. Argument Principle and Rouché and Hurwitz Theorems. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_37.
    10.1007/978-1-4614-0195-7_37
  37. Evaluation of Real Integrals by Contour Integration I. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_32.
    10.1007/978-1-4614-0195-7_32
  38. Curves, Contours, and Simply Connected Domains. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_12.
    10.1007/978-1-4614-0195-7_12
  39. Evaluation of Real Integrals by Contour Integration II. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_33.
    10.1007/978-1-4614-0195-7_33
  40. Contour Integrals Involving Multi-valued Functions. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_35.
    10.1007/978-1-4614-0195-7_35
  41. Set Theory in the Complex Plane. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_4.
    10.1007/978-1-4614-0195-7_4
  42. Mappings by Functions II. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_11.
    10.1007/978-1-4614-0195-7_11
  43. Complex Integration. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_13.
    10.1007/978-1-4614-0195-7_13
  44. Analytic Functions II. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_7.
    10.1007/978-1-4614-0195-7_7
  45. Sequences and Series of Functions. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_22.
    10.1007/978-1-4614-0195-7_22
  46. Mittag-Leffler Theorem. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_44.
    10.1007/978-1-4614-0195-7_44
  47. Complex Functions. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_5.
    10.1007/978-1-4614-0195-7_5
  48. The Schwarz-Christoffel Transformation. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_41.
    10.1007/978-1-4614-0195-7_41
  49. Cauchy’s Integral Formula for Derivatives. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_18.
    10.1007/978-1-4614-0195-7_18
  50. Sequences and Series of Numbers. 2011. Ravi P. Agarwal; Kanishka Perera; Sandra Pinelas. http://dx.doi.org/10.1007/978-1-4614-0195-7_21.
    10.1007/978-1-4614-0195-7_21
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2023/01/05 Exponential solutions in a mixed type differential equation, Centro de Matemática e Aplicações Seminário no Departamento de Matemática da Universidade de Aveiro
Universidade de Aveiro (Aveiro, Portugal)
2022/11/21 Stability of Solutions in Mixed Differential Equations Symposium: Square bamboos and the Geometree
(Tilburg, Netherlands)
2022/09/23 Asymptotic Behavior and Stability of Solutions in Differential Equations of Mixed Type Centro de Matemática da Universidade de Coimbra
Universidade de Coimbra (Coimbra, Portugal)
2022/09/23 Exponential solutions in a mixed type differential equation International Conference Dynamical Systems, Modeling, and Mathematical Sciences in Dubai
(Dubai, United Arab Emirates)
2022/09/19 Exponential solutions in a mixed type differential equation International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2022)
(Creta, Greece)
2022/08/14 Behavior and Stability of Solutions in Mixed Differential Equations Encontro Conjunto Brasil-Portugal em Matemática
(Salvador da Bahia, Brazil)
2022/06/27 Oscillation Criteria for Second Order Neutral Delay Differential Equations International Conference on Mathematical Analysis and Applications in Science and Engineering (ICMA2SC'22)
(Porto, Portugal)
2022/06/22 Oscillation Criteria for Second Order Neutral Delay Differential Equations 4th International Conference on Pure and Applied Mathematics (ICPAM - VAN 2022)
(Van, Turkey)
2022/05/05 Oscillation for third-order differential equations International Conference on Mathematics and Its Applications (ICMA-2022)
(Tirupattur, India)
2022/03/01 Difference & Differential Equations: asymptotic behavior International Weekly Online Seminar “Analysis and Applied Mathematics”
(Istambul, Turkey)
2021/12/27 Difference & differential equations of mixed type 2nd International Online Conference on Differential Equations, Control and Optimization
(Istambul, Turkey)
2021/12/26 Oscillation criteria for third-order differential equations with neutral coefficients International Conference "Differential Equations and Related Topics"
(Moscovo, Russia)
2021/12/22 Behavior and Stability of Solutions in Mixed Differential Equations International Conference “The Samarskii Readings (in memory of academician A. A. Samarskii) (SR-2021)
(Moscovo, Russia)
2021/10/25 Difference & differential equations: oscillatory and asymptotic behavior Differential Equations, Mathematical Modeling and Computational Algorithms
(Belgorod, Russia)
2021/09/20 Oscillations of mixed type differential equations with non-monotone deviating arguments International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2021)
(Rhodes, Greece)
2021/09/02 On the Stability of Solutions in Mixed Differential Equations International Conference on Recent Trends in Pure and Applied Mathematics
(Phuket, Thailand)
2021/07/28 On the Stability and Behavior of Solutions in Differential Equations with Delays and Advances International Conference on Advanced Mathematics and its Applications
(Jacarta, Indonesia)
2021/07/01 Oscillations of mixed type differential equations with non-monotone deviating arguments XI International Conference Mathematics of Informational Modeling
(Varna, Bulgaria)
2021/06/24 Mixed type difference equation: The challenge 2nd International Conference on Mathematical Techniques and Applications
(Chennai, India)
2021/05/31 Difference Equations vs. Differential Equation: oscillatory behavior and others similarities Research School CIMPA 2021 & Workshop Nonlinear Partial Differential Equations, Spectral Theory and Applications
(Nador, Morocco)
2020/11/16 Oscillations of a mixed type difference equation with variable coefficients The Fifth International Scientific Conference “The Modeling of Nonlinear Processes and Systems” (MNPS-2020)
(Moscovo, Russia)
2020/09/19 Nonoscillatory Solutions to Third Order Neutral Difference Equations of Mixed Type International Conference on Advances in Applied Sciences, Humanities & Technology to Overcome Global Disasters
(Agra, India)
2020/09/17 Oscillatory behavior of a mixed Type Difference Equation with Variable Coefficients Centro de Matemática Computacional e Estocástica
Instituto Superior Tecnico (Lisboa, Portugal)
2020/09/17 Nonoscillatory Solutions to Third Order Neutral Difference Equations of Mixed Type International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2020)
(Rhdes, Greece)
2020/09/11 On the behavior of the solutions for linear autonomous mixed type difference equation International e-Seminar on Recent Research in Mathematics
(Bengalore, India)
2020/09/10 Oscillatory behavior of a mixed Type Difference Equation with Variable Coefficients International Conference on Mathematics and Computer Applications
(Yelagiri Hills, India)
2018/09/13 Necessary and Sufficient Conditions for the Oscillatory Behavior of Solutions to Second Order Nonlinear Differential Equations with Several Delays International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2018)
(Rhodes, Greece)
2018/03/11 Oscillation Properties for a Scalar Linear Mixed Type Difference Equation Centro de Matemática e Aplicações
Universidade Nova de Lisboa (Caparica)
2017/10/11 Oscillatory and Nonoscillatory Behaviour of a Differential Delay System of nth-order Centro de Matemática da Universidade de Coimbra
Universidade de Coimbra (Coimbra, Portugal)
2017/07/12 Oscillatory Behavior of a Differential System with Delay of Order n 9th Dynamical Systems and its Applications in Engineering and Environmental Sciences International Conference
(Alanya)
2017/07/12 New Century, New Challenge: 1/0 = 100/0 = 0 9th Dynamical Systems and its Applications in Engineering and Environmental Sciences International Conference
(Alanya, Turkey)
2017/04/26 Oscillatory and Asymptotic Behavior of a Scalar Linear Difference Equation of Mixed Type Seminário no Departamento de Matemática da Universidade de Aveiro
Universidade de Aveiro (Aveiro, Portugal)
2017/01/30 Behavior of a Scalar Linear Difference Equation of Mixed Type International Conference on Recent Advances in Analysis and its Applications
(Tiruchengode, India)
2017/01/30 The Division by Zero z/0=0: A new challenge International Conference on Recent Advances in Analysis and its Applications
(Tiruchengode, India)
2017/01/29 A New Century a New Challenge: Division by Zero is Possible International Conference Recent Trends in Mathematics
(Vaniyambadi, India)
2017/01/28 The Division by Zero z/0 = 0 and Differential Equation International Conference on Mathematical Applications in Engineering and Technology
(Tirupattur, India)
2017/01/27 Oscillatory Behaviour of a delay Differential System of Order Even International Conference on Mathematical Applications in Engineering and Technology
(Tirupattur, India)
2017/01/27 The Importance of the Brahmagupta in our days: He was right! International Conference on Mathematical Advances
(Yelagiri Hills, India)
2016/09/19 Oscillation of solutions to non-linear first-order difference equations with several advanced arguments International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2016)
(Rhodes, Greece)
2016/05/30 Oscillation of solutions to non-linear first-order difference equations with several advanced arguments Seminar in Differential Equations
(Ostrov, Czech Republic)
2015/06/22 Asymptotic behavior of mixed type differential and difference equation The Modeling of Nonlinear Processes and Systems (MNPS 2015)
(Moscovo, Russia)
2015/05/06 Asymptotic behavior of a differential equation with several delays and advances 12th International Symposium on Stability, Vibration and Control of Systems
(Praga, Czech Republic)
2015/05/06 Oscillatory Behavior of mixed Systems, 12th International Symposium on Stability 12th International Symposium on Stability, Vibration and Control of Systems
(Praga, Czech Republic)
2015/03/16 Asymptotic behavior of a differential equation with several delays and advances (II) Second Tbilisi-Salermo Workshop on Modeling in Mathematics
(Tbilisi, Georgia)
2014/12/27 Assymptotic behavior of a differential equation with delay and advances The 3th Abu Dhabi University Annual International Conference: Mathematical Science and its Applications
( Abu Dhabi, United Arab Emirates)
2014/08/22 Oscillatory and nonoscillatory solutions for difference equations with several delays The Seventh International Conference on Differential and Functional Differential Equations
(Moscovo, Russia)
2014/07/07 Asymptotic and oscillatory behavior of the solutions of a difference equation with several arguments 10th AIMS International Conference on Dynamical Systems, Differential Equations and Applications
(Madrid, Spain)
2013/09/01 Optimal oscillation criteria for first order difference equations with several delay arguments Symposium on Differential Equations and Difference Equations 2013
(Bairyschzell, Germany)
2012/10/28 Asymptotic and Oscillatory Behaviour of the Solutions of a Difference Equation with Several Arguments Symposium on Differential Equations and Difference Equations 2012
(Novacella, Italy)
2012/05/23 Coexistência de Oscilações e Não-oscilações Seminários de Análise
Universidade de Trás-os-Montes e Alto Douro (Vila Real, Portugal)
2010/09/10 Teoria qualitativa de sistemas de primeira ordem com diferenças divididas Dia da Ciência
Universidade de Braga (Braga, Portugal)
2010/07/10 Simultaneous Oscillation and Nonoscillation of Some Retarded Functional Equations The 6th International Conference: Dynamical Systems and Applications
(Antalya, Turkey)
2010/02/18 Oscillatory mixed differential systems International workshop Functional Differencial Equations and Related Problems: Analysis and Numerical Approaches
Instituto Superior Tecnico (Lisboa)
2009/07/20 Qualitative Theory of Divided Difference First Order Systems Equadiff
(Brno, Czech Republic)
2009/05/25 On oscillatory generalized Lucas sequences Progress on Difference Equations, Conference in honour of Professor Dr. Gerry Ladas
(Bedlewo, Poland)
2009/01/18 Bounded solutions of a rational difference equation Winter Conference in Difference Equations
(Homburg, Germany)
2008/06/21 Bounded solutions of a rational difference equation 14th International Conference on Difference Equations, Special Functions & Applications
(Istambul, Turkey)
2008/03/08 Oscillatory mixed differential systems Progress on Difference Equations, Conference in honour of Professor Dr. Saber Elaydi
(Laufen, Germany)
2007/07/29 Oscillatory Mixed Differential Equations with Monotonic Delays and Advances International Conference in honour of Professor Dr. Allan Peterson
(Novacella , Italy)
2007/06/23 Oscillatory Behavior of Mixed Differential Difference Equations International Conference on Difference Equations, Special Functions & Applications
(Lisboa, Portugal)
2007/05/03 Comportamento Oscilatório de Sistemas às Diferenças Seminário no Departamento de Matemática da Universidade de Aveiro, Grupo de Análise Funcional e Aplicações
Universidade de Aveiro (Aveiro)
2007/01 A hierarquia de Chomsky nos Autómatos Celulares Seminário no Departamento de Matemática da Universidade dos Açores sob o tema Sistemas Dinâmicos e Aplicações
Universidade dos Açores (Ponta Delgada)
2006/12 Comportamento Oscilatório de Sistemas às Diferenças Seminário no Departamento de Matemática da Universidade dos Açores sob o tema Sistemas Dinâmicos e Aplicações
Universidade dos Açores (Ponta Delgada)
2006/03/05 Oscillations in difference systems of mixed type Progress on Difference Equations
(Homburg, Germany)
2005/07/25 Nonoscillations in odd order difference systems of mixed type, International Conference on Difference Equations Special Functions & Applications
(Munique, Germany)
2004/08/05 Nonoscilations in Retarded Equations International conference on Dynamic Systems and Applications
(Antalya, Turkey)
2004 Comportamento oscilatório em sistemas retardados Seminário no Departamento de Matemática da Universidade dos Açores sob o tema Sistemas Dinâmicos e Aplicações
Universidade dos Açores (Ponta Delgada)
1993/06 O mundo de Tarsky Colóquio sobre Ensino e Aplicações da Matemática (Dia da Ciência e Tecnologia)
Universidade de Évora (Évora)

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2022/09/19 - 2022/09/25 Symposium on Difference & Differential Equations and Applications 2022, Crete, Grecia (2022/09/19 - 2022/09/25)
Symposium
2022/07/27 - 2022/07/30 Difference & Differential Equations and Applications 2022, Porto, Portugal (2022/07/27 - 2022/07/29)
Symposium (President of the Organising Committee)
2021/09/20 - 2021/09/26 Symposium on Difference & Differential Equations and Applications 2021, Rhodos, Grecia (2021/09/20 - 2021/09/26)
Symposium (President of the Organising Committee)
2020/09/17 - 2020/09/23 Symposium on Difference & Differential Equations and Applications 2020, Rhodos, Grecia (2020/09/17 - 2020/09/23)
Symposium
2019/09/23 - 2019/09/28 Symposium on Difference & Differential Equations and Applications 2019, Rhodos, Grecia (2019/09/23 - 2019/09/28)
Symposium (President of the Organising Committee)
2018/09/13 - 2018/09/18 Symposium on Difference & Differential Equations and Applications 2018, Rhodos, Grecia (2018/09/13 - 2018/09/18)
Symposium (President of the Organising Committee)
2017/07/05 - 2017/07/09 International Conference on Differential & Difference Equations and Applications 2017, Amadora, Portugal (2016/07/05 - 2016/07/09)
Conference (President of the Organising Committee)
 Academia Militar, Portugal
2016/09/15 - 2016/09/25 Symposium on Difference & Differential Equations and Applications 2016, Rhodos, Grecia (2016/09/15 - 2016/09/25)
Symposium (President of the Organising Committee)
2015/05/18 - 2015/05/22 International Conference on Differential & Difference Equations and Applications, Lisboa, Portugal (2015/05/18 - 2015/05/22)
Conference (President of the Organising Committee)
 Academia Militar, Portugal
2013/09/01 - 2013/09/05 Symposium on Differential Equations & Difference Equations 2013, Bayrischezell, Alemanha (2013/09/01 - 2013/09/05)
Conference (President of the Organising Committee)
2012/10/27 - 2012/11/02 Symposium on Differential Equations & Difference Equations 2012, Novacella, Italia. (2012/10/27 - 2012/11/02)
Conference (President of the Organising Committee)
2011/07/04 - 2011/07/08 International Conference on Differential & Difference Equations and Applications, Ponta Delgada, Portugal (2011/07/04 - 2011/07/08)
Conference (President of the Organising Committee)
 Universidade dos Açores, Portugal
2011/05/31 - 2011/06/04 International Conference on Mathematical Fluid Mechanics and Biomedical Applications, Ponta Delgada, Portugal (2011/05/31 - 2011/06/04)
Conference (President of the Organising Committee)
 Universidade dos Açores, Portugal

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2019 Oscillatory and Asymptotic Behavior of Solutions of Third Order Differential Equations with “Maxima”
(Thesis) Arguer
 A. Ashok (PhD)
Universidade de Periyar, India
2019 Stability Analysis of Multi Variable Functional Equations
(Thesis) Arguer
 S. Hema Latha (PhD)
Universidade de Thiruvalluvar, India
2019 Oscillatory Behavior of Solutions of Fractional Differential Equations
(Thesis) Arguer
 S. Pavithra (PhD)
Universidade de Periyar, India
2019 Existence and Stability Analysis of Impulsive Delay Dynamic Systems on Time Scales
(Thesis) Arguer
 Syed Omar Shah (PhD)
Universidade de Peshawar, Pakistan
2018 Stability of Functional Equations in Various Normed Spaces: Hyers Direct and Fixed Point Methods
(Thesis) Arguer
 S. Ramamoorthi (PhD)
Universidade de Thiruvalluvar, India
2018 Stability of Reciprocal, Mixed and Quattuordecic Type Functional Equations
(Thesis) Arguer
 S. Suresh (PhD)
Universidade de Bharahiar, India
2017 Existence et Comportment Asymptotique des Solutions Positives de Certains Problèmes Elliptiques, Polyharmoniques et Fractionnaires
(Thesis) Main arguer
 Zagharide Zine El Abidine (Aggregation)
Universidade Tonis El Manar, Tunisia
2017 Generalized Discreat Laplace and Fourrier Transforms
(Thesis) Arguer
 B. Govindan (PhD)
Universidade de Thiruvalluvar, India
2017 Stability of n-Dimensional Equations in Various Normed Spaces: Direct and Fixed Point Methods
(Thesis) Arguer
 T. Namachivayam (PhD)
Universidade de Thiruvalluvar, India
2017 A Study of Common Fixed Poit Theory on Various Spaces
(Thesis) Arguer
 Ramesh Kumar (PhD)
Universidade de Madras, India
2016 Generalized Fibonnaci Series and its Applications Using q-Difference Operators
(Thesis) Arguer
 T. G. Gerly (PhD)
Universidade de Thiruvalluvar, India
2015 Oscillations and Nonoscillations of Neutral Delay Differential Equations with Maxima
(Thesis) Arguer
 M. Mani (PhD)
Universidade de Periyar, India
2014 Studies on Oscillatory and Asymptotic Behavior of Second Order Neutral Type Difference Equations
(Thesis) Arguer
 V. Balasubramanian (PhD)
Universidade de Periyar, India
2014 Oscillatory and Asymptotic Behavior of Third Order Neutral Differencial Equations
(Thesis) Arguer
 S. Tamilvanan (PhD)
Universidade de Madras, India
2013 Contributions to the Oscillatory and Asymptotic Behavior of Nonlinear Neutral Type Difference Equations
(Thesis) Arguer
 G. Ayyappan (PhD)
Universidade de Periyar, India
2012 A Study on the Asymptotic and Oscillatory Behavior of Solutions of Impulsive Differential Equations
(Thesis) Arguer
 Y. Balachandran (PhD)
Universidade de Madras, India
2012 Oscillatory and Asymptotic Behavior of Second and Third Order Neutral Type Difference Equations
(Thesis) Arguer
 S. Selvarangam (PhD)
Universidade de Madras, India
2012 Stability of Functional Equations - A Fixed Point Approach
(Thesis) Arguer
 R. Murali (PhD)
Universidade de Thiruvalluvar, India
2011 Oscillations Theory of Neutral Type Dynamic Equations on Time Scales
(Thesis) Arguer
 V. Piramanantham (PhD)
Universidade de Madras, India
2009 Estudo Analítico e Simbólico das Bifurcações para a Família das Aplicações Racionais de Grau Dois
(Thesis) Arguer
 João Cabral (PhD)
Universidade dos Açores, Portugal

Association member

Society Organization name Role
2005/07/01 - Current International Society of Difference Equations

Committee member

Activity description
Role 		Institution / Organization
2023/07/06 - 2023/07/09 International workshop on Nonlinear Analysis and its Application (iwNAA 2023), Brasov, Roménia
Member
2022/10/31 - 2022/11/06 Sixth International Conference on Analysis and Applied Mathematics, ICAAM 2022, 31 de Outubro – 6 de Novembro 2022, Antalya, Turkey
Member
2022/07/07 - 2022/07/09 11th International Conference on Engineering Mathematics and Physics, Saint-Etienne, France
Member
2022/05/05 - 2022/05/06 International Conference on Mathematics and Applications, Thirupathur, Tamil Nadu, India
Member
2021/12/14 - 2021/12/17 The International Scientific Conference - The Samarskii Readings (in memory of academician A. A. Samarskii), Moscovo, Russia
Member
2020/11/16 - 2020/11/20 The Fifth International Scientific Conference “The Modeling of Nonlinear Processes and Systems” (MNPS-2020), 16-20 de Novembro de 2020, Moscovo, Russia
Member
2020/09/10 - 2020/09/12 International Conference on Mathematics and Computer Applications, Yelagiri Hills, India
Member
2019/10/12 - 2019/10/17 The International Scientific Conference «The Twelfth Petryanov Readings and the Third Fuchs Readings», Moscovo, Russia
Member
2019/10/12 - 2019/10/17 The Modeling of Nonlinear Processes and Systems (MNPS-2019), Moscovo, Russia
Member
2018/11/30 - 2018/12/02 The 7th Abu Dhabi University Annual International Conference: Mathematical, Physical Sciences & Engineering Applications, Abu Dhabi University, Emirados Árabes Unidos
Member
2018/09/06 - 2018/09/09 Fourth International Conference on Analysis and Applied Mathematics, 6-9 de Setembro de 2018, Near East University, Lefkosa, Turquia
Member
2018/07/26 - 2018/07/31 International Conference dedicated to the 90-th anniversary of the Professor Constantin Corduneanu, Ekaterinburg, Russia.
Member
2018/05/18 - 2018/05/20 International Joint Conference on Industrial Engineering and Operations Management, Academia Militar, Amadora, Portugal
Member
2018/05/09 - 2018/05/12 International Conference: The 11 Dynamical Systems, Mathematical, Physical Sciences and It's Engineering Applications, DAVAO Waterfront Insular Hotel, Philippine.
Member
2017/12/19 - 2017/12/21 The 6th Abu Dahbi University Annual International Conference: Mathemathical, Physical Sciences & Engenering Applications, Abu Dhabi, Emirados Árabes Unidos
Member
2017/07/12 - 2017/07/15 The 9&10 Dynamical Systems and It’s Applications in Engineering and Environmental Sciences, Alanya, Turquia.
Member
2017/04/20 - 2017/04/22 The 5th Abu Dhabi University Annual International Conference: Mathematical Science & its Applications, Abu Dhabi, Emirados Árabes Unidos
Member
2017/04/10 - 2017/04/12 The 6th International Conference on Engineering Mathematics and Physics (ICEMP2017), Cidade o Cabo, Africa do Sul
Member
2017/04/10 - 2017/04/12 Second International Conference on Natural Science and Applied Mathematics (ICNSAM2017), Cidade o Cabo, Africa do Sul
Member
2016/09/07 - 2016/09/10 Third International Conference on Analysis and Applied Mathematics, Almaty, Cazaquistão
Member
2016/07/20 - 2016/07/23 The 9th Dynamical Systems and Applications, Antalia, Turquia
Member
2016/04/07 - 2016/04/09 5th International Conference on Engineering Mathematics and Physics (ICEMP2016), Dubai, Emirados Árabes Unidos
Member
2016/04/07 - 2016/04/09 International Conference on Natural Science and Applied Mathematics (ICNSAM2016), Dubai, Emirados Árabes Unidos.
Member
2015/12/23 - 2015/12/30 The 4th Abu Dhabi University Annual International Conference: Mathematical Science and its Applications, Abu Dhabi, Emirados Árabes Unidos
Member
2015/12/23 - 2015/12/26 The 4th Abu Dhabi University Annual International Conference: Mathematical Science & its Applications, Abu Dhabi, Emirados Árabes Unidos
Member
2015/12/23 - 2015/12/23 First International Conference on Mathematics and Its Applications, Khulna, Bangladesh
Member
2014/12/27 - 2014/12/30 The 3th Abu Dhabi University Annual International Conference: Mathematical Science and its Applications, Abu Dhabi, Emirados Árabes Unidos
Member
2014/09/11 - 2014/09/13 Second International Conference on Analysis and Applied Mathematics, Shymkent, Kazakhstan
Member
2014/07/21 - 2014/07/25 International Conference Difference Equations and Applications, Hubei, China
Member
2013/11/29 - 2013/12/01 The 2nd Abu Dhabi University Annual International Conference: Mathematical Science and its Applications, Abu Dhabi, Emirados Árabes Unidos
Member
2012/10/18 - 2012/10/21 First International Conference on Analysis and Applied Mathematics, Gumushane, Turkey
Member
2012/05/28 - 2012/05/30 2. International Conference on: Pure and Applied Mathematics, ICPAM’12, Guelma, Algéria
Member
2010/07/10 - 2010/07/14 The 6th International Conference: Dynamical Systems and Applications-2010, Antalya, Turkey
Member
2007/07/01 - 2007/07/06 International Conference: Dynamical Systems and Applications, Izmir, Turkey
Member