Séminaire Arithmétique et Géométrie Algébrique
Jordan properties of automorphism groups of complex algebraic varieties
03
Dec. 2024
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Intervenant : Yuri Zarhin
Institution : Pennsylvania State University
Heure : 14h00 - 15h00
Lieu : 3L15
A classical theorem of Jordan asserts that each finite subgroup of the complex general linear group GL(n)  is ``almost commutative": it contains a commutative normal subgroup with index bounded by a universal constant that depends only on n.
 
We discuss an analogue of this property for the groups of birational (and biregular) automorphisms of complex algebraic varieties.
 
This is a report on a joint work with Tatiana Bandman (Bar-Ilan).
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