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Seminar on Complex Analysis (Gonchar Seminar)
February 5, 2024 17:00–18:00, Moscow, Steklov Institute, room 110
 


On open-up mappings and their applications

S. I. Kalmykov

Keldysh Institute of Applied Mathematics of Russian Academy of Sciences, Moscow

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Abstract: In the talk, we consider direct and inverse problems related to finding a rational function, whose inverse performs a univalent open-up map of the complement of a given set of pairwise disjoint Jordan arcs. We show how these problems are related to Hurwitz numbers and Dehn twists. The talk is based on a joint work with V. Lysov, B. Nagy, and O. Séte.

Website: https://zoom.us/j/7743848073?pwd=QnJmZjQ5OEV1c3pjenBhcUMwWW9XUT09

* ID: 774 384 8073. Password: L8WVCc
 
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