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António Leite completed his Master's degree in Mathematics in July 2024 and his Bachelor's degree in Mathematics in July 2021, both at the Faculty of Sciences of the University of Porto. He has been pursuing an inter-university PhD in Mathematics at the Faculty of Sciences of the University of Porto since October 2024. He has participated in 6 events and received 1 award. He participates as a research scholarship holder in 1 project. He works in the field of Exact Sciences, with an emphasis on Pure Mathematics (Algebraic Number Theory).
Identification

Personal identification

Full name
ANTÓNIO SÉRGIO CARVALHO LEITE

Citation names

  • LEITE, ANTÓNIO
  • Leite, A.

Author identifiers

Ciência ID
5819-CB11-A3C5
ORCID iD
0009-0001-9519-1350

Email addresses

  • up201805230@up.pt (Professional)

Knowledge fields

  • Exact Sciences - Mathematics

Languages

Language Speaking Reading Writing Listening Peer-review
English Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
French Beginner (A1) Intermediate (B1) Beginner (A1) Elementary (A2) Beginner (A1)
Education
Degree Classification
2024/10/01 - 2028
Ongoing
Doutoramento em Matemática - Interuniversitário (Doctorate)
Universidade do Porto Faculdade de Ciências, Portugal

Universidade de Coimbra, Portugal
2021/09/09 - 2024/07/26
Concluded
Matemática (Master's Degree)
Universidade do Porto Faculdade de Ciências, Portugal
"The Metacommutation Problem in the Hurwitz Integers" (THESIS/DISSERTATION)
18
2018/09 - 2021/07
Concluded
Matemática (Licenciate Degree)
Major in Especialização em Formação Complementar em Matemática
Universidade do Porto Faculdade de Ciências, Portugal
17
Affiliation

Teaching in Higher Education

Category
Host institution
Employer
2025/09 - 2026/02 Invited Assistant (University Teacher) Universidade do Porto Faculdade de Ciências, Portugal

Others

Category
Host institution
Employer
2022/02 - 2022/05 Estágio ZkLands Ethereum Foundation, Switzerland
Projects

Grant

Designation Funders
2025/09/01 - 2029/09/01 Non-Commutative Arithmetic, Hurwitz Integers and Diophantine Equations with Restrictions
2025.01855.BD
PhD Student Fellow
Universidade do Porto Centro de Matemática, Portugal
Ongoing
2024/10/01 - 2025/06/30 Bolsa de Investigação para Doutoramento
UIDP/00144/2025
UIDP/00144/2020
Research Fellow
Universidade do Porto Faculdade de Ciências, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
Outputs

Publications

Conference poster
  1. Leite, A.. "Solving Restricted Sums of Four Squares using Quaternions". Paper presented in Seventeenth Algorithmic Number Theory Symposium, ANTS XVII, 2026.
  2. Leite, A.. "Solving Restricted Sums of Four Squares using Quaternions". Paper presented in Undécimas Jornadas de Teoría de Números, 2026.
  3. Leite, A.. "On the Cycle Structure of the Metacommutation Map.". Paper presented in JIM Days, 2025.
  4. LEITE, ANTÓNIO. "The Metacommutation Problem in the Hurwitz Integers". Paper presented in Investigação Jovem da U.Porto 2024, 2024.
Preprint
  1. LEITE, ANTÓNIO; Machiavelo, António. "On the Cycle Structure of the Metacommutation Map". 2025. http://arxiv.org/abs/2504.08709.
Thesis / Dissertation
  1. "The Metacommutation Problem in the Hurwitz Integers". Master, Universidade do Porto Faculdade de Ciências, 2024. https://hdl.handle.net/10216/161179.
Website
  1. LEITE, ANTÓNIO. Plano Alpha. 2021. https://www.planoalpha.pt.
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2026/06/12 Solving Restricted Sums of Four Squares using Quaternions MACOS 2026
Faculty of Mathematics and Computer Science, Transilvania University of Brasov, Brasov, Romania (Brasov, Romania)
2025/07/04 On the cycle Structure of the Metacommutation Map. 33èmes Journées Arithmétiques
Université du Luxembourg (Luxembourg)
2024/10/12 The Metacommutation Problem in the Hurwitz Integers New Trends in Quaternions and Octonions 2024
Universidade do Minho (Braga, Portugal)
2024/05/08 The Metacommutation Problem in the Hurwitz Integers Investigação Jovem da U.Porto 2024
Universidade do Porto (Portugal)

Event participation

Activity description
Type of event
Event name
Institution / Organization
2025/09 - 2025/09 4th Portuguese Number Theory Meeting, Aveiro
Conference
Universidade de Aveiro, Portugal
2024/12/16 - 2024/12/16 Research Seminar Program by PhD students from Coimbra and Porto Research Seminar Program
2024/10/11 - 2024/10/12 New Trends in Quaternions and Octonions NTQO 2024
Universidade do Minho, Portugal
2024/09/09 - 2024/09/09 Third Portuguese Number Theory Meeting, Aveiro
Universidade de Aveiro, Portugal
2024/07/03 - 2024/07/05 Encontro Ciência 2024 Encontro Ciência 2024
Universidade do Porto, Portugal
2024/04 - 2024/04 MOSTRA UP MOSTRA UP 2024
Universidade do Porto Faculdade de Ciências, Portugal
Distinctions

Title

2024 Póster Distinguido - IJUP 2024
Universidade do Porto, Portugal