Nataša Djurdjević | Mathematics | Best Researcher Award

Best Researcher Award

Nataša Djurdjević
University of Belgrade – Faculty of Agriculture

Nataša Djurdjević
Affiliation University of Belgrade – Faculty of Agriculture
Country Serbia
Scopus ID 58717994600
Documents 4
Citations 15
h-index 2
Subject Area Mathematics
Event Global Innovation Technologist Awards
ORCID 0000-0002-0885-4735

Nataša Djurdjević is a Serbian mathematician and researcher affiliated with the University of Belgrade – Faculty of Agriculture. Her scholarly work primarily focuses on differential geometry, CR submanifolds, and nearly Kähler manifolds, particularly the geometric structures associated with the manifold S3×S3. Through peer-reviewed journal articles and conference contributions, she has contributed to advancing theoretical understanding within modern geometry and mathematical structures.[1] Her academic publications demonstrate sustained engagement with advanced geometric classifications and submanifold theory.[2]

Abstract

This article presents an overview of the academic contributions and scholarly recognition of Nataša Djurdjević in the field of mathematics. Her research activities are centered on differential geometry and the study of CR submanifolds in homogeneous nearly Kähler manifolds. Through analytical classification methods and theoretical investigations, her publications have contributed to the broader understanding of geometric structures and manifold theory in contemporary mathematics.[3]

Keywords

Differential Geometry, CR Submanifolds, Nearly Kähler Manifolds, Mathematical Structures, Geometry Research, S3×S3, Mathematical Classification, Topological Analysis

Introduction

Mathematics remains a foundational discipline in scientific advancement, particularly in the areas of geometry and theoretical analysis. Researchers working in manifold theory and differential geometry contribute significantly to the development of abstract mathematical frameworks used across scientific disciplines. Nataša Djurdjević has participated in this academic field through specialized studies on CR submanifolds and nearly Kähler geometry, producing research that addresses classification problems and geometric properties of higher-dimensional manifolds.[4]

Research Profile

Djurdjević’s research profile reflects active scholarly participation in peer-reviewed mathematical research. Her studies frequently examine geometric structures within homogeneous nearly Kähler manifolds and related CR submanifold classifications. Her work has been indexed through Scopus and ORCID platforms, providing international academic visibility and accessibility for researchers in geometry and topology.[1]

Research Contributions

  • Contributed to the classification of four-dimensional CR submanifolds in homogeneous nearly Kähler manifolds.
  • Published analytical studies related to almost complex distributions and geometric orthogonality.
  • Investigated umbilical sections and structural properties within S3×S3 manifolds.
  • Presented conference research focused on CR submanifold products and manifold geometry.

Publications

  • “Four-Dimensional CR Submanifolds of the Homogeneous Nearly Kähler Product Manifold S3×S3” — Mathematics (2026).
  • “Classification of Four-Dimensional CR Submanifolds of the Homogenous Nearly Kähler S3×S3” — Mathematics (2025).
  • “Some classes of CR submanifolds with an umbilical section of the nearly Kähler S3×S3” — Journal of Geometry and Physics (2021).
  • “Three-dimensional CR submanifolds of the nearly Kähler S3×S3” — Annali di Matematica Pura ed Applicata (2019).

Research Impact

The research contributions of Nataša Djurdjević support the advancement of theoretical mathematics, particularly within the specialized field of geometric manifold analysis. Her work contributes to the academic dialogue surrounding CR submanifolds and nearly Kähler geometry, offering classification frameworks and analytical methods relevant to future mathematical investigations.[5] Citation records and indexed publications further indicate scholarly engagement within the mathematical research community.[2]

Award Suitability

The Best Researcher Award recognition under the Global Innovation Technologist Awards acknowledges sustained scholarly contributions, publication quality, and subject-specific research engagement. Djurdjević’s work in advanced geometry, combined with peer-reviewed publications and international indexing visibility, aligns with the evaluation criteria commonly associated with academic distinction and emerging research excellence in mathematics.[6]

Conclusion

Nataša Djurdjević has established an academic profile centered on differential geometry and CR submanifold theory. Her research publications and conference contributions demonstrate focused engagement with geometric analysis and manifold classification. Through continued scholarly activity and indexed research dissemination, her work contributes to ongoing developments in mathematical sciences and theoretical geometry.

References

  1. Elsevier. (n.d.). Scopus author details: Nataša Djurdjević, Author ID 58717994600. Scopus.
    www.scopus.com/authid/detail.uri?authorId=58717994600
  2. ORCID. (n.d.). Nataša Djurdjević researcher profile and scholarly records.
    orcid.org/0000-0002-0885-4735
  3. Djurdjević, N. (2026). Four-Dimensional CR Submanifolds of the Homogeneous Nearly Kähler Product Manifold S3×S3. Mathematics.
    doi.org/10.3390/math14111790
  4. Djurdjević, N. (2025). Classification of Four-Dimensional CR Submanifolds of the Homogenous Nearly Kähler S3×S3. Mathematics.
    doi.org/10.3390/math13162638
  5. Djurdjević, N. (2021). Some classes of CR submanifolds with an umbilical section of the nearly Kähler S3×S3. Journal of Geometry and Physics.
    doi.org/10.1016/j.geomphys.2020.104002
  6. Djurdjević, N. (2019). Three-dimensional CR submanifolds of the nearly Kähler S3×S3. Annali di Matematica Pura ed Applicata.
    doi.org/10.1007/s10231-018-0770-8

Rawane Mansour | Mathematics | Research Excellence Award

Ms. Rawane Mansour | Mathematics | Research Excellence Award

PHD Student | University of Perpignan – Domitian | France

Ms. Rawane Mansour is a PhD researcher in applied mathematics and computational mechanics, focusing on the mathematical and numerical modeling of contact, adhesion, and friction under large deformations. Her work addresses nonlinear solid mechanics problems involving plasticity, hyperelastic and viscoelastic materials, with applications to biomedical stent–artery interactions. She integrates rigorous variational and energy-consistent formulations with advanced numerical techniques, including finite element methods and semi-smooth Newton–type solvers. Her research has led to multiple peer-reviewed journal publications, reflecting strong contributions to theoretical analysis, numerical discretization, and computational simulation in modern mechanics.

Calvin Tcheka | Mathematics | Distinguished Scientist Award

Assist. Prof. Dr. Calvin Tcheka | Mathematics | Distinguished Scientist Award

Professor at University of Dschang, Cameroon

Dr. Calvin Tcheka is a Cameroonian mathematician and Associate Professor at the University of Dschang, where he serves in the Department of Mathematics and Computer Science. With a specialization in Algebraic Topology and Geometry, his academic pursuits bridge pure mathematics with practical applications, particularly in the fields of string theory, network coding, Leibniz algebras, and operads. Over the past decade, he has built a solid reputation through peer-reviewed publications, collaborative international research, PhD supervision, and active participation in the global mathematical community.

Publication Profile 

Scopus

Educational Background 🎓

Dr. Tcheka’s academic journey began at the University of Yaoundé I, where he earned his Bachelor’s degree in Mathematics in 1992. He went on to complete his Master’s degrees in 1993 and 2003. He later earned his Ph.D. in Mathematics in 2009 through a joint program between the University of Yaoundé I and the University of Angers in France. His doctoral studies laid the foundation for his research in homotopy theory and algebraic structures.

Professional Experience 💼

With nearly three decades of academic service, Dr. Tcheka has held several teaching and research roles. From 1995 to 2005, he worked as a Mathematics teacher at the Higher Government School. He then joined the University of Dschang as an Assistant Lecturer in 2005, progressed to Lecturer in 2010, and became an Associate Professor in 2020. In each role, he has combined teaching, supervision, and research, contributing significantly to the mathematical development of the university.

Research Interests 🔬

Dr. Tcheka’s research interests are both theoretical and application-oriented. His core areas include Algebraic Topology, Geometry, and Algebra, particularly focusing on Leibniz algebras, operads, and homotopy theory. He also explores modern applications of topology in cryptography and network coding, as well as the theoretical foundations of string theory. His interdisciplinary research spans pure mathematics and computational theory, often bridging abstract structures with real-world problems.

Awards and Honors🏆✨

Dr. Tcheka is a respected member of the Franco-African International Research Network in Mathematics since 2020 and an ordinary member of the International Center for Pure and Applied Mathematics (CIMPA) since 2021. He has also played leadership roles in the organization of significant international mathematical conferences, including chairing the local organizing committee of the CIMPA School on Topology and Geometry in 2018. His collaborations span leading institutions in France, Belgium, Iran, and the USA, reflecting his broad academic influence and international recognition.

Conclusion🌟

Dr. Calvin Tcheka exemplifies scholarly excellence and leadership in the mathematical sciences. His consistent publication record, international collaborations, and dedicated supervision of PhD students demonstrate a deep commitment to advancing knowledge and mentoring the next generation of mathematicians. His work not only strengthens Cameroon’s academic landscape but also contributes meaningfully to the global mathematical community.

Publications 📚

  1. 🧠 C. Tcheka, A. Kamgam Dayo & G. R. Biyogmam
    “(TLie)-Leibniz algebras and related properties”
    Algebra and Discrete Mathematics, Vol. 36(2), 2023, pp. 243–256
    🔗 DOI: 10.12958/adm2049


  2. 🔐 S. Gomez Nyamssi, E. Foutsa & C. Tcheka
    “First optimal ate pairing for cyclotomic sparse families of pairing-friendly elliptic curves with embedding degree k=5, 7”
    Discrete Mathematics Algorithms and Applications, 2023
    🔗 DOI: 10.1142/S179380923500544


  3. 🧮 G. R. Biyogmam, C. Tcheka & D. R. Kamgam
    “Some properties of ID*-nLiederivations of Leibniz algebras”
    Asian-European Journal of Mathematics, 2021
    🔗 DOI: 10.1142/S1793557122500541


  4. 📝 G. R. Biyogmam & C. Tcheka
    “A note on outer derivations of Leibniz algebras”
    Communications in Algebra, Vol. 49(5), 2021


  5. 🧬 C. Tcheka
    “Cohomology Operations and π-Strongly Homotopy Commutative Hopf Algebra”
    Pure and Applied Mathematics Journal, Vol. 9(2), 2020, pp. 37–45


  6. 🧠 G. R. Biyogmam & C. Tcheka
    “Leibniz algebras with absolute maximal Lie subalgebras”
    Algebra and Discrete Mathematics, Vol. 29(1), 2020, pp. 52–65


  7. 🔄 G. Biyogmam, S. Tchamna Kouna & C. Tcheka
    “From quotient trigroups to groups”
    Quasigroups and Related Systems, Vol. 28, 2020, pp. 29–41


  8. 🔗 C. Tcheka
    “An Algebra Structure on the Hochschild Homology of a Simply Connected Topological Space”
    Algebra Colloquium, Vol. 26(3), 2019, pp. 425–436


  9. 🧩 B. Ndombol & C. Tcheka
    “An application of semi-free resolutions”
    Journal of Homotopy and Related Structures, Vol. 13, 2018, pp. 385–394


  10. 🌐 M. A. Nguemo & C. Tcheka
    “Sheaf Cohomology on Network Codings: Maxflow-Mincut Theorem”
    Applied General Topology, Vol. 18(2), 2017, pp. 219–230