Alexandros Konstantinou, Greece

PhD from University College London year 2025,
Advisor: Vladimir Dokchitser

Works in the field of Number theory, Elliptic curves

Period of visit 01 July 2025 – 31 Dec 2025, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” PIKOM

Andrei Bengus-Lasnier, France

PhD from University of Paris, France (2021), with advisor Hussein Mourtada.
Thesis: Diskoids and extensions of valuations

He works in algebraic geometry and valuation theory.

Periods of visit: 01.10.2022 – 30.09.2024, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM). 01.10.2024 – 30.09.2026, funded by the National Scientific Program “Petar Beron i NIE”.

Asia Mainenti, Italy

PhD from University of Turin, Italy (2025)
Advisor: Anna Fino.
Thesis: p-Kähler and balanced structures on complex manifolds

Works in the field of complex differential geometry, special Hermitian structures and Lie groups.

Period of visit: 03.06.2025 – 30.09.2025, funded by the Bulgarian Ministry of Education and Science, Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences (PIKOM)”

Daniela Martinez Correa, Columbia

PhD from State University of Campinas (Unicamp), Brazil (2023) with advisor Plamen Kochloukov, and co-advisors Lucio Centrone and Vesselin Drensky
Thesis: Cocharacters of associative algebras and Specht property of varieties of graded Lie algebras.

Research area: Ring theory, specifically, algebras with polynomial identities.

Period of visit: 01.07.2023 г. – 31.12.2023, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Danila Cherkashin, Russian Federation

PhD from St. Petersburg Department of Steklov Mathematical Institute, Russia (2018), with advisors Fedor Petrov and Andrei M. Raigorodskii
Thesis: Extremal problems in hypergraph colorings

He works in the field of Combinatorics.

Period of visit – 26.07.2022 – 25.07.2023, funded by IMI-BAS

Enrique Ruby Becerra, USA, Mexico

PhD from Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico (2019.)
Thesis: On the resolution property for orbifolds.
Advisor: Ernesto Lupercio

He works on developing chimeric algebraic geometry and on stacky Steenbrink spectrum.

Period of visit: 01.08.2021 – 31.01.2022, funded by the National Scientific Program “Excellent Research and People for the Development of European Science” (VIHREN)

Erik Paemurru, Estonia

PhD from Loughborough University, UK (2020)
Thesis: Birational models of terminal sextic double solids. Advisor: Hamid Ahmadinezhad

He works in the field of Birational Geometry.

Period of visit – 01.10.2021 – 31.03.2022 and 11.07.2022 – 31.12.2022, funded by the National Scientific Program “Excellent Research and People for the Development of European Science” (VIHREN)

Faïçal Ndaïrou, Cameroon

PhD from University of Aveiro, Portugal (2022)
Thesis: Mathematical modelling of some diseases related to water.
Advisors: Iván Carlos Area Carracedo and Delfim Fernando Marado Torres

His research is in the field of Mathematical models of within-host viral dynamics.

Period of visit: 14.02.2023 – 14.07.2023, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Jiachang Xu, USA

PhD from University of Miami, USA (2022)
Thesis: Tropicalization and Skeleton of.
Advisor: Morgan Brown

He works in the field of Algebraic Geometry and Arithmetic Geometry, in particular Non-Archimedean analytic geometry, Logarithmic geometry, and Tropical geometry.

Period of visit – 06.02.2023 – 31.12.2024, funded by the National Scientific Program “Excellent Research and People for the Development of European Science” (VIHREN). 01.01.2025 – 31.12.2025, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM).

Maryam Bajalan, Iran

PhD from University of Malayer, Iran (2019)
Thesis: Codes over the product of chain rings.
Advisor: Rashid Rezaei

She works in coding theory.

Period of visit: 05.01.2023 – 04.01.2024, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Michał Gutowski, Poland

PhD from Wrocław University of Science and Technology (Poland), 2025
Advisor: Mateusz Kwaśnicki

He works in the field of Probability theory and stochastic processes.

Period of visit – September 2025 to February 2026, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM).

Mikhail Ganzhinov, Finland/Russian Federation

PhD from: Aalto University, Finland (2025), with advisor Patric R. J. Östergård
Thesis: Construction of few-angular spherical codes and line systems in Euclidean spaces

Research area: spherical codes, particularly those with few angular distances, and related subjects

Period of visit: 5.11.2025-31.12.2025, funded by Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Miroslav Maksimović, Serbia

PhD from University of Niš, Serbia, (2025).
Thesis: Connections with torsion on Riemannian manifolds and generalizations
Advisor: Milan Zlatanović

Works in the field of Differential geometry.

Period of visit: 25.06.2025 – 31.12.2025, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Rene Mboro, France

PhD from École Polytechnique, France (2017)
Thesis: Birational invariants: cohomology, algebraic cycles and Hodge theory.
Advisor: Claire Voisin

He works in the areas of complex and arithmetic geometry.

Period of visit – 01.08.2021 – 31.01.2022 and 05.01.2023 – 04.07.2023, funded by the Bulgarian Ministry of Education and Science and the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Rodolfo Aguilar, México

PhD from Université Grenoble Alpes, France (2021)
Thesis: Partial compactifications of the complement of an arrangement of lines and fundamental groups
Advisor: Philippe Eyssidieux

He works on fundamental groups of complements.

Period of visit: 01.07.2021 – 31.12.2021 and 05.07.2022 – 04.07.2023, funded by the National Programme “Young scientists and postdoctoral researchers” and the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Sebastian Torres, Chile

PhD from University of Massachusetts, Amherst (2021)
Thesis: Windows in algebraic geometry and applications to moduli.
Advisor: Jenia Tevelev.

He develops the interplay between representation theory and Derived Geometry.

Period of visit – 14.09.2021 – 31.12.2021 and 01.08.2022 – 31.07.2023, funded by the Bulgarian Ministry of Education and Science and the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Tokio Sasaki, Japan

PhD from Washington University in St. Louis, USA (2019)
Thesis: Limits and Singularities of Normal Functions.
Advisor: Matthew David Kerr

He works in the field of Algebraic Geometry, more precisely Hodge theory and Homological Mirror Symmetry.

Period of visit: 01.03.2022 – 28.02.2023, funded by the Bulgarian Ministry of Education and Science and the the National Scientific Program “Excellent Research and People for the Development of European Science” (VIHREN)

Yingdi Qin, USA

PhD from University of California, Berkeley
Thesis: Coisotropic branes in symplectic tori and Homological mirror symmetry.
Advisor: Denis Auroux

His fields of interest are: Symplectic Geometry, Floer Theory, Homological Mirror Symmetry, Poisson Geometry, Derived differential stack

Period of visit – 11.08.2023 – 10.08.2024, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM)

Aleksandar Petkov, Bulgaria

PhD from Sofia University, Sofia, Bulgaria.
Thesis: Riemannian and sub-Riemannian manifolds with structures
Advisor: Stefan Ivanov

Research interests: String theory and related geometric structures, Geometry of hyper-Kaehler manifolds with torsion, Sub-Riemannian geometry, Contact geometry, Geometric analysis and PDEs, Complex algebraic geometry

Period of visit: 02.03.2020 – 31.12.2024, funded by the National Scientific Program “Excellent Research and People for the Development of European Science” (VIHREN)

Konstantin Vorob’ev, Russian Federation

PhD from Sobolev Institute of Mathematics, Russian Federation (2013)
Thesis: Eigenfunctions and Multiple Perfect Codes in Johnson and Hamming Graphs
Advisor: Sergey Avgustinovich

He works in the field of Algebraic Combinatorics and Coding Theory.

Period of visit: 22.02.2023 – 21.02.2025, funded by IMI-BAS and the National Scientific Programme “Petar Beron i NIE”

Maria Trybula, Poland

PhD from Jagiellonian University Krakow (2015)
Advisor: Prof. Wlodzimierz Zwonek

Works in the field of Complex Analysis

Period of visit: 10.2024-12.2025 at IMI BAS as a part in Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences.

Misha Shkolnikov, Estonia

PhD from University of Geneva, Switzerland.
Thesis: Tropical curves, convex domains, sandpiles and amoebas
Advisor: Grigory Mikhalkin

Research interests: Geometry, Topology, Combinatorics, Number Theory, Mathematical Physics

Period of visit: 17.07.2023 – 31.05.2025, funded by the Simons Foundation

Richard-Paul Horja, Romania

PhD from Duke University, USA.
Thesis: Hypergeometric Functions and Mirror Symmetry in Toric Varieties
Advisor: David R. Morrison

Research interests: Algebraic geometry, mirror symmetry and interactions with mathematical physics, and in particular with string theory

Period of visit: 19.09.2023 – 18.09.2024, , funded by the Simons Foundation

Valdemar Vasilev Tsanov, Bulgaria

PhD from Queen’s University, Canada
Thesis: Embedding of flag manifolds and cohomological components of modules
Advisor: Ivan Dimitrov

Research interests: Lie theory, reductive and semisimple Lie groups, linear representations and actions on manifolds. Geometry of flag varieties. Geometric Invariant Theory

Period of visit: 01.01.2023 – 31.12.2024, funded by the Scientific Programme“Enhancing the Research Capacity in Mathematical Sciences” (PIKOM).

Vladimir Mitankin, Bulgaria

PhD from University of Bristol, UK (2017)
Thesis: Integral points on affine surfaces
Advisor: Tim Browning

He works at the intersection of Analytic number theory and Diophantine geometry.

Period of visit: 04.09.2023 – 30.04.2024, funded by the Scientific Programme “Enhancing the Research Capacity in Mathematical Sciences” (PIKOM).

Vladimir Mitankin received a grant from the Marie Skłodowska-Curie Actions, which starts on May 1, 2024.

Nikolaj Glazunov, Ukraine

Nikolaj Glazunov is a Professor in the Department of Electronics at the Institute of Cybernetics, National Academy of Sciences of Ukraine. Doctor of phys.-math. sci., senior scientific researcher.

Research interests:
Arithmetic Algebraic Geometry and its Applications, Nondifferentiable Optimization, String Theory and Quantum Gravity, Dynamical Systems, Computer Algebra. Validated Numerics, Artificial Intelligence and Data/Knowledge Bases.

Period of visit: 01.06.2022 – 29.02.2024, funded by the Simons Foundation

Oksana Kharchenko, Ukraine

Oksana Kharchenko is a senior scientific researcher (since 2008) in KhNURE. She is a Doctor of Philosophy (specialty 05.12.17 – radio engineering and television systems) since 2007. Since 2019 Oksana is Associate Professor of the Department of Media Engineering and Information Radio Electronic Systems KhNURE.

Research interests: Signal processing in radio systems: Mathematical Methods of Signals Standing out from Background High-intensity Noise, Biomedical Information Processing, Signals Processing, Information Technologys, Coding and Information Theory, Nonlinear filtering and the effect of stochastic resonance.

Period of visit: 11.07.2022 – 29.02.2024, funded by the Simons Foundation.