The Cotangent Bundle of a Cominuscule Grassmannian

Published 16 May 2015 in math.AG | (1505.04270v1)

Abstract: A theorem of the first author states that the cotangent bundle of the type $A$ Grassmannian variety can be embedded as an open subset of a smooth Schubert variety in a two-step affine partial flag variety. We extend this result to cotangent bundles of cominuscule generalized Grassmannians of arbitrary Lie type.

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