Kuttler, J.; Lakshmibai, V.
(Symmetry, Integrability and Geometry: Methods and Applications, 2009)
This paper studies the singularities of affine Schubert varieties in the affine Grassmannian (of type Al⁽¹⁾). For two classes of affine Schubert varieties, we determine the singular loci; and for one class, we also determine ...