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TZID:Asia/Seoul
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DTSTART:20210101T000000
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DTSTART;TZID=Asia/Seoul:20220927T100000
DTEND;TZID=Asia/Seoul:20220927T110000
DTSTAMP:20260421T072001
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SUMMARY:Jakub Witaszek\, Quasi-F-splittings
DESCRIPTION:     Speaker\n\n\nJakub Witaszek\nPrinceton U\n\n\n\n\n\nWhat allowed for many developments in algebraic geometry and commutative algebra was a discovery of the notion of a Frobenius splitting\, which\, briefly speaking\, detects how pathological positive characteristic Fano and Calabi-Yau varieties can be. Recently\, Yobuko introduced a more general concept\, a quasi-F-splitting\, which captures much more refined arithmetic invariants. In my talk\, I will discuss on-going projects in which we develop the theory of quasi-F-splittings in the context of birational geometry and derive applications\, for example\, to liftability of singularities. This is joint work with Tatsuro Kawakami\, Hiromu Tanaka\, Teppei Takamatsu\, Fuetaro Yobuko\, and Shou Yoshikawa.
URL:https://ccg.ibs.re.kr/event/2022-09-27/
LOCATION:on-line
CATEGORIES:Algebraic Geometry Seminar
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