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Automorphisms and endomorphisms of projective varieties
【2013.3.13 4:00pm,S703】

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 2013-3-06 

  Colloquia & Seminars 

  Speaker

  Prof. Michel Brion,法国CNRS

  Title

   Automorphisms and endomorphisms of projective varieties

  Time

  2013.3.13 4:00pm      

  Venue

  S703

  Abstract

    Consider a projective variety X and its automorphism group, Aut(X). It is known that the connected component of the identity in Aut(X) is an algebraic group, Aut^o(X). In this talk, we will show that any connected algebraic group is isomorphic to Aut^o(X) for some projective variety X. In contrast, we will see that the algebraic semigroups of endomorphisms of X have a very restricted structure.

  Affiliation

   

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