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Cohomological geometry of differential equations
February 18, 2026 19:20, Moscow, Independent University of Moscow, room 303, for Zoom access please contact seminar@gdeq.org


2-Valued algebraic groups, the Chazy equation, and quasimodular forms

V. N. Rubtsov

Abstract: I will discuss some (un)known relations between the objects in the title.
In particular, the celebrated Chazy equation emerges as an associativity condition. 
The talk is based on ongoing joint work with V. Buchstaber and M. Kornev (Steklov Mathematical Institute, RAS).

Language: English


© Steklov Math. Inst. of RAS, 2026