Combinatorial and Commutative Algebra Seminar 4:30 PM MSCS 114
Homological properties of pinched Veronese rings Dr. Kyle Maddox, University of Kansas https://zoom.us/j/95233859929?pwd=UGdpSE9EUmlFaVJHc0pJb09TVllLdz09
Abstract: In joint work with Vaibhav Pandey, we explore homological properties of affine semigroup rings called pinched Veronese rings. A pinched Veronese semigroup is generated by all but one of the exponent vectors whose sum is a fixed integer d. Many properties of these semigroups and their corresponding semigroup rings depend on which of the vectors are ``pinched out" from the full Veronese semigroup, and by studying the combinatorial embedding carefully we are able to derive important information about their local cohomology modules.
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