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# Christopher O'Neill : Shifting numerical monoids

A numerical monoid is a subset of the nonnegative integers that is closed under addition. Given a numerical monoid S, consider the shifted monoid S_n obtained by adding n to each minimal generator of S. In this talk, we examine minimal relations between the generators of S_n when n is sufficiently large, culminating in a description that is periodic in the shift parameter n. We also explore several consequences, some old and some new, in the realm of factorization theory. No background in numerical monoids or factorization theory is assumed for this talk.

**Category**: Algebraic Geometry**Duration**: 01:34:45**Date**: February 24, 2017 at 3:10 PM**Views**: 109-
**Tags:**seminar, Algebraic Geometry Seminar

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