Algebraic Geometry Seminar

Dan Abramovich
Brown University
Resolution in toroidal orbifolds
Abstract: A beginner can easily resolve toric singularities. While enormous progress was made on simplifying characteristic-0 resolution of singularities in general, wouldn't it be nice to have a straightforward way to transform any singularity to a toric singularity? In joint work with Michael Temkin (Jerusalem) and Jarosław Włodarczyk (Purdue) we principalize an ideal, making it monomial on a variety which has only toroidal singularities, leading to such transformation, albeit using the language of stacks. I'll try to show how this works in explicit examples.
Wednesday September 27, 2017 at 4:00 PM in SEO 427
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