Seminar Event Detail


Combinatorics

Date:  Friday, November 15, 2013
Location:  3866 East Hall (4:10 PM to 5:00 PM)

Title:  Twist and Matchings

Abstract:   In this talk, which is a report on joint work with R. Marsh, I will explain how to evaluate Laurent expansions for twisted Plucker coordinates with respect to any seed of the Grassmannian arising from a special class of planar networks called Postnikov diagrams. I will show how these expansions, which are predicted using the theory of cluster algebras, can be calculated using perfect matchings within a bipartite graph dual to the Postnikov diagram.

Files:


Speaker:  Jeanne Scott
Institution:  Institute of Mathematical Sciences, Chennai

Event Organizer:     

 

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