Shadows of characteristic cycles, Verma modules, and positivity of Chern-Schwartz-MacPherson classes of Schubert cells
DOI10.1215/00127094-2022-0101arXiv1709.08697MaRDI QIDQ6184621
Leonardo C. Mihalcea, Paolo Aluffi, Changjian Su, Jörg Schürmann
Publication date: 25 January 2024
Published in: Duke Mathematical Journal (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1709.08697
shadowflag manifoldcharacteristic cycleChern-Schwartz-MacPherson classDemazure-Lusztig operatorsSchubert cellsstable envelopeVerma D-module
Representations of Lie algebras and Lie superalgebras, algebraic theory (weights) (17B10) Grassmannians, Schubert varieties, flag manifolds (14M15) Intersection theory, characteristic classes, intersection multiplicities in algebraic geometry (14C17) Sheaves of differential operators and their modules, (D)-modules (32C38) Differentials and other special sheaves; D-modules; Bernstein-Sato ideals and polynomials (14F10) Classical problems, Schubert calculus (14N15)
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