Ahmed Umer Ashraf - Geometry and Combinatorics (Math)
Date:
Friday, January 31, 2020
Time:
2:30 pm - 3:30 pm
Location:
Middlesex College (MC)
Room: 108
Room: 108
Cost:
Free
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Ahmed Umer Ashraf (Western University)
Title: Finding 4T relations for matroids
Abstract: 4T relations of chord diagrams are very useful in computing Vassiliev invariant of a knot. These relations can be purely put in the language of graph theory. Stanley’s chromatic symmetric function of the graph satisfies a variant of these relations. We will describe these ideas and see the relevant notions in the matroid theoretic setting.
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