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SUMMARY:Shunsuke Takagi (University of Tokyo)
DTSTART:20210309T110000Z
DTEND:20210309T120000Z
DTSTAMP:20260423T021440Z
UID:ZAG/101
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/ZAG/101/">De
 formations of F-pure and F-regular singularities</a>\nby Shunsuke Takagi (
 University of Tokyo) as part of ZAG (Zoom Algebraic Geometry) seminar\n\n\
 nAbstract\nF-regular and F-pure singularities are singularities in positiv
 e characteristic defined in terms of Frobenius splitting properties. Ma an
 d Schwede recently proved that a normal Q-Gorenstein complex variety has l
 og terminal singularities if its reduction modulo p has F-regular singular
 ities for a single prime p. I will discuss the analog of their result for 
 log canonical singularities. I will also explain how F-regular singulariti
 es behave under equal and mixed characteristic deformations. This talk is 
 based on joint work with Kenta Sato.\n
LOCATION:https://researchseminars.org/talk/ZAG/101/
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