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math.RT2017★ 1 cited
Trails, -graphs and Identities in Demazure Modules
Anthony Joseph
The Kashiwara crystal parametrizes a basis for the Verma module of a Kac-Moody algebra. It has a deep combinatorial structure which one seeks to understand. For each se…
math.RT2017
Convexity properties of the canonical S-graphs
Anthony Joseph
Let n be a positive integer and c an n-tuple of natural numbers. A convex set in Euclidean n-space given by a family of linear relations in the elements of c and depending on their…