Juliette Bruce : Seshadri Regions and the Asymptotic Shape of Regularity

Posted by Maya Banks , part of the Algebraic Geometry Seminar.

At

March 2, 2026, 3 p.m.

In

636 SEO

Abstract

I will discuss how the asymptotic Castelnuovo-Mumford regularity for powers of ideals sheaves on a smooth projective toric variety is closely related to a convex region, called the Seshadri region, that measures the positivity along subvarieties.