3 papers
math.RT2020
Vertices of Intersection Polytopes and Rays of Generalized Kostka Cones
Marc Besson, Sam Jeralds, Joshua Kiers
Let be the rational cone generated by pairs where and are dominant integral weights and is a nontrivial weight space in the representation $V_…
math.RT2019
Multiplicity in root components via Geometric Satake
Marc Besson, Sam Jeralds, Joshua Kiers
In this note we explicitly construct top-dimensional components of the cyclic convolution varieties. These components correspond (via the geometric Satake equivalence) to irreducib…
math.RT2019
A combinatorial study of affine Schubert varieties in affine Grassmannian
Marc Besson, Jiuzu Hong
Let be the closure of the -orbit in the affine Grassmanian of a simple algebraic group of adjoint type, where…