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Matt Baker, Georgia Tech

Matt Baker, Department of Mathematics, Georgia Tech

Abstract: A pasture is, roughly speaking, a field in which addition is allowed to be both multivalued and partially undefined. I will describe a theorem about univariate polynomials over pastures which simultaneously generalizes Descartes’ Rule of Signs and the theory of Newton Polygons. I will also describe a novel approach to the theory of matroid representations which revolves around a universal pasture, called the “foundation”, which one can attach to any matroid. This is joint work with Oliver Lorscheid.

 

Zoom Meeting

Meeting ID: 991 7926 6453

Passcode: 396836

Type
Colloquium
Admission
Free
Registration Required
No
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