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ICMS Colloquium: talk by Prof. Vladimir Tonchev

The International Center for Mathematical Sciences – Sofia (ICMS-Sofia) at the Bulgarian Academy of Sciences presents ICMS Colloquium May 17, 2022, 2:00 pm (EEST, UTC+3), IMI-BAS, Hall 403 Vladimir D. Tonchev, Michigan Technological University Coding Theory, Combinatorial Designs, and Finite Geometry Abstract. Error-correcting codes are used to protect data from random errors in satellite and wireless communication systems, audio and video recording devices, and data storage devices. A large class of codes with a wide range of applications are based on finite geometry. The most notable example of such codes are the Reed-Muller codes that are being used in deep space and mobile communications. The subject of this talk is a class of codes based on combinatorial designs. These combinatorial codes possess remarkable error-correction [...]

2022-05-16T11:28:17+03:00Monday, 16 May 2022|Categories: , |Tags: , |
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90th anniversary of the birth of Professor Blagovest Sendov

February 8, 2022, marks the 90th anniversary of the birth of Blagovest Sendov. He passed away on January 19, 2020, shortly before reaching the age of 88. The Institute of Mathematics and Informatics will commemorate the 90th anniversary of the birth of Prof. Sendov with the talk by Edward Saff from Vanderbilt University, USA - Discretizing Manifolds with Minimal Energy. A talk in commemoration of B. Sendov's 90th birth date.

2022-02-02T11:51:09+02:00Wednesday, 9 February 2022|Categories: News|Tags: , , , |
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ICMS: Lecture by Dennis Gaitsgory

The International Center for Mathematical Sciences – Sofia (ICMS-Sofia) and the Institute of the Mathematical Sciences of the Americas Consortium (IMSAC) presents Consortium Distinguished Lecture Series November 8 and 10, 2021, 5:00 pm (EEST, Sofia time, UTC+2) IMSA-Miami, via Zoom Prof. Dennis Gaitsgory will deliver a lecture on Geometric Langlands Prof. Gaitsgory is known for his work on the geometric Langlands program. Among his achievements are the proofs of the geometric Langlands conjecture for finite fields (joint with E. Frenkel and K. Vilonen) and for the field of complex numbers. Prof. Gaitsgory was awarded with the Prize of the European Mathematical Society (2000) and the AMS Chevalley Prize (2018). Abstract: We will start these series by reviewing the general framework of geometric Langlands correspondence, [...]

2021-11-07T17:40:50+02:00Sunday, 7 November 2021|Categories: |Tags: |
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ICMS: Lecture by Dennis Gaitsgory

The International Center for Mathematical Sciences – Sofia (ICMS-Sofia) and the Institute of the Mathematical Sciences of the Americas Consortium (IMSAC) presents Consortium Distinguished Lecture Series November 8 and 10, 2021, 5:00 pm (EEST, Sofia time, UTC+2) IMSA-Miami, via Zoom Prof. Dennis Gaitsgory will deliver a lecture on Geometric Langlands Prof. Gaitsgory is known for his work on the geometric Langlands program. Among his achievements are the proofs of the geometric Langlands conjecture for finite fields (joint with E. Frenkel and K. Vilonen) and for the field of complex numbers. Prof. Gaitsgory was awarded with the Prize of the European Mathematical Society (2000) and the AMS Chevalley Prize (2018). Abstract: We will start these series by reviewing the general framework of geometric Langlands correspondence, [...]

2021-11-07T17:39:07+02:00Sunday, 7 November 2021|Categories: |Tags: |
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Fulbright Executive Director Angela Rodel visited the Institute of Mathematics and Informatics and the International Center for Mathematical Sciences

The Bulgarian-American Commission for Educational Exchange Fulbright offers Bulgarian researchers and scientists the opportunity to work in their field from 3 to 5 months in prestigious universities and research institutes in the United States. The program is available to professionals from all fields of science and the arts, except clinical medicine and dentistry. 5 scholarships are awarded each year.

2021-10-15T14:39:09+03:00Friday, 15 October 2021|Categories: News|Tags: , , |
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Joint ICMS & IMSA Seminar, Lecturer Sebastian Torres

The International Center for Mathematical Sciences – Sofia (ICMS-Sofia) at the Institute of Mathematics and Informatics, Bulgarian Academy of Sciences presents Joint ICMS & IMSA Seminar October 8, 2021, 3:30-4:30 pm Hosted by ICMS-Sofia, via Zoom Lecturer: Sebastian Torres Title: Windows and the BGMN conjecture For more information please visit: https://icms.bg/#activities Join Zoom Meeting https://us06web.zoom.us/j/82897194623?pwd=Q2duelBFejZaVDBPK2ZiV0phWk5QZz09 Meeting ID: 828 9719 4623 Passcode: 043386

2021-10-07T15:28:16+03:00Thursday, 7 October 2021|Categories: |Tags: , |
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ICMS Seminar: lecture by Vesselin Dimitrov

ICMS Seminar September 14, 2021, 4:30-5:30 pm (UCT+3), Broadcasted through Zoom The congruence property in two-dimensional rational conformal field theory, revisited Speaker: Vesselin Dimitrov, University of Toronto   Abstract:  In a joint work with Frank Calegari and Yunqing Tang, we use methods from transcendental number theory to prove a conjecture that goes back to Atkin and Swinnerton-Dyer, in a special case, and generalized by Mason to the following form: A vector-valued modular form on SL(2,Z) whose components have q-expansions with bounded denominators are exactly the ones for which the underlying representation of SL(2,Z) has a finite image with kernel containing the congruence subgroup of matrices reducing to the identity modulo some positive integer N. In this talk, I will outline the basic ideas of [...]

2021-09-09T20:49:49+03:00Thursday, 9 September 2021|Categories: , |Tags: |
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ICMS-IMSA Working Seminar

ICMS-IMSA Working Seminar August 20, 2021 ICMS, Room 403, 4:30-6:30 pm, Broadcasted trough Zoom Title: On determinantal cubic hypersurfaces (after Iliev-Manivel, Beauville,...) Speaker: Prof. R. Mboro IMSA, ICMS, 4:30-5:30 pm Abstract: We give an account of the problem of writing an equation of a cubic (or other degree) hypersurface X as a (kind of) determinant of a matrix with homogeneous entries. Expressing the equation of X as a determinant is equivalent to produce an arithmetically Cohen-Macaulay vector bundle on X. The talk will focus on the cases of cubic hypersurfaces of dimension at most 8. Title: Quantum representations of fundamental groups of curves with infinite image Speaker: Prof. R. Aguilar IMSA, ICMS, 5:30-6:30 pm Abstract: We will report on some results due to Koberda-Santharoubane [...]

2021-08-19T16:04:27+03:00Thursday, 19 August 2021|Categories: |Tags: , |
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A short course by Josef Svoboda: Spectra and applications

Spectra and applications July 29 – 30, 2021 A short course by Josef Svoboda This is a survey course on the relation of the invariants of 3 manifolds and singularity theory. Using the theory of differential equations we relate classical 3 dimensional theory with modern category theory. Applications to Birational geometry and uniformization will be discussed. Programme July 29, 2021 15:00 – 15:45 Introduction 16:00 – 16:45 Thom Sebeastiani and invariants of links and Links and knots July 30, 2021 15:00 – 15:45 Examples 16:00 – 16:45 Categorifications, Ludmil Katzarkov Тhe lectures will be held in hall 404 of the Institute of Mathematics and Informatics.

2021-07-26T18:07:00+03:00Monday, 26 July 2021|Categories: |Tags: , |
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Lectures organized by the International Center for Mathematical Sciences

On June 30, 2021 at 3:30 p.m. at Prof. Marin Drinov Hall of the Bulgarian Academy of Sciences (Grand Hall, 1, 15th November Str.), lectures will be delivered by Prof. Robert Stephen Cantrell, Director of the Institute of Mathematical Sciences of the Americas, Director of the University оf Miami Institute for Theoretical and Mathematical Ecology, Miami and Mina Teicher, Department of Mathematics and Gonda Brain Research Center, Bar-Ilan University, Israel, Director of Emmy Noether Institute for Mathematics.  

2021-06-22T14:50:42+03:00Tuesday, 22 June 2021|Categories: |Tags: |
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