I present a new elementary and short proof and discuss corollaries of the Oblakov theorem and mathematics around this new proof which is of combinatorial topology flavor.
A Distinguished Lecture Series by Chelsea Walton (Rice University, Houston) on a century of Frobenius algebras. August 17-21, 2026, ICMS-Sofia, Room 403.
A Distinguished Lecture Series by Quanshui Wu (Shanghai Center for Mathematical Sciences, Fudan University) on quotient categories and noncommutative resolutions — August 6–7, 2026, ICMS-Sofia (Room 578).
A short film dedicated to the International Center for [...]
Intensive summer doctoral course in Complex Geometry by the Theory of Atoms group (Prof. Dr. Ludmil Katzarkov), Summer 2026 — 15 lectures, 16 July – 4 August, IMI-BAS Sofia.
The 17th International Workshop on Well-Posedness of Optimization Problems and Related Topics takes place 13-17 July 2026 in hotel Samokov, Borovets, Bulgaria, dedicated to the 70th anniversary of Julian Revalski. Organized by the Faculty of Mathematics and Informatics at Sofia University and the Institute of Mathematics and Informatics-BAS, with the support of ICMS, the Ministry of Education and Science, and the Simons Foundation.
A story about a beautiful planar convex domain L, originating from the works of Vershik, Bárány, and Sinai — the only domain with C^1 smooth boundary for which a closed expression of its tropical zeta function is known, with practical consequences for lattice point counting.
The International Center for Mathematical Sciences – Sofia (ICMS-Sofia) hosts the second international conference on Quantum Groups and Cluster Algebras between 10-14 August 2026 at the Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, with the financial support of the Simons Foundation, Republic of Bulgaria - Ministry of Education and Science and Institute of Mathematics and Informatics, Bulgarian Academy of Sciences. The aim of this conference is to bring together researchers to share recent advances and promote further developments in the theory of Quantum Groups and Cluster Algebras.
Bogdan Djordjevic, Serbian Academy of Arts and Sciences, visitor at ICMS, IMI-BAS
Tuesday, June 2, room 403, IMI-BAS. 13:00
From 15 to 17 May 2026, ICMS-Sofia hosted the international conference Celebrating Women in Representation Theory, gathering sixteen invited speakers from leading universities in nine countries on three continents. The meeting was the latest in the ICMS-Sofia Women in Mathematics conference series, first launched in 2020.
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