Le lieu singulier des varietes de Schubert

DOI10.1155/S1073792801000423arXivmath/0102124MaRDI QIDQ6470928

Publication date: 16 February 2001

Abstract: We give an explicit combinatorial description of the irreducible components of the singular locus of a Schubert variety in a flag variety of type A. This implies a conjecture of Lakshmibai and Sandhya.

Mathematics Subject Classification ID

Singularities in algebraic geometry (14B05) Determinantal varieties (14M12) Grassmannians, Schubert varieties, flag manifolds (14M15)

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