tbranzov

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So far tbranzov has created 220 blog entries.
10 06, 2025

Celebrating the Consortium IMSAC, International Conference in Sofia, Bulgaria

2025-08-16T14:12:40+03:00June 10th, 2025|Conferences|

This is a traditional conference celebrating the collaboration between many institutes in USA, Latin America, Asia and Europe included in the Institute of the Mathematical Sciences of the Americas Consortium (IMSAC). The conference will be held August 7-9, 2025, in Hall 403 of the Institute of Mathematics and Informatics, Sofia.

3 06, 2025

Elliptic genus and applications, lecture by E. Lupercio

2025-06-04T10:25:31+03:00June 3rd, 2025|ICMS Seminar, Topological, Computational, and Algebraic Aspects of Complex Systems|

Ernesto Lupercio(IMI-BAS)

Friday, June 6, room 403, IMI-BAS. 16:00

In this course we will connect the theory of Topological modular forms with classical singularity theory. Other applications will be considered.
29 04, 2025

International Conference “Singularities in Plovdiv”

2025-05-28T16:47:24+03:00April 29th, 2025|Conferences, News|

The goal of the conference is to bring together world-renowned and early-career researchers working in the field of algebraic geometry, low-dimensional topology, complex geometry and commutative algebra and foster discussions around singularities in topology, metric geometry, algebraic geometry, dynamical systems and mirror symmetry. The meeting also seeks to provide an opportunity for young scholars from Eastern Europe to engage with cutting edge research in the area.

23 04, 2025

Three Lectures on Binary Quadratic Forms and Conway’s Topographs, by Nikita Kalinin

2025-04-24T11:16:41+03:00April 23rd, 2025|Geometry Seminar|

Lecture Outline 1. Introduction to Binary Quadratic Forms and Conway’s Topographs We will begin with the basics of binary quadratic forms and their classification, followed by an introduction to Conway’s topographs—a visual and geometric framework for understanding them. Lecture Outline 2. Class Number Formula and Summation over Topographs Building on the first lecture, we will explore the class number formula and how summation identities arise naturally from the structure of topographs. Lecture Outline 3. Evaluation of Lattice Sums via Telescoping over Topographs The final lecture will focus on telescoping techniques, demonstrating how they can be used to evaluate intricate lattice sums—such as the one above—with geometric meaning.

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