Mathematics Colloquium

Thursday, March 9, 2017
4:20 PM - 5:20 PM (ET)
Exley Science Center Tower ESC 121
Event Type
Seminar/Colloquium
Contact
Canalia, Caryn
2182
Link
https://eaglet.wesleyan.edu/MasterCalendar/EventDetails.aspx?EventDetailId=72962

Kevin Tucker, University of Illinois - Chicago: An Introduction to F-Signature

Abstract: In positive characteristic p > 0, Frobenius splitting methods have long been used to measure singularities.  Although these techniques originally found applications in commutative algebra and representation theory, in recent years they have increased in importance following the discovery of surprising connections to the singularities of the minimal model program in complex algebraic geometry.  In this talk, I will discuss an invariant governing the asymptotic behavior of F-splittings called the F-signature, together with numerous examples.

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