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SUMMARY:Frobenius splittings on T-varieties. - Hendrik Suess (Manchester)
DTSTART:20160302T141500Z
DTEND:20160302T151500Z
UID:TALK64432@talks.cam.ac.uk
CONTACT:Dr. J Ross
DESCRIPTION:In algebraic geometry over fields of characteristic p several 
 standard tools from characteristic 0 stop working. As a compensation for t
 hese missing tools characteristic p provides a new one: the Frobenius morp
 hism. The Frobenius morphism leads to the notion of Frobenius split and di
 agonally split varieties. These properties have very strong consequences f
 or the geometry of the variety. For example\, on diagonally split varietie
 s every ample divisor is very ample and induces a projectively normal embe
 dding. In this talk I will discuss how these properties behave in the pres
 ence of a torus action.
LOCATION:CMS MR4
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