Mather classes and conormal spaces of Schubert varieties in cominuscule spaces

DOI10.14231/ag-2023-019zbMath1528.14009arXiv2006.04842MaRDI QIDQ6074478

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Publication date: 19 September 2023

Published in: Algebraic Geometry (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2006.04842

zbMATH Keywords

Schubert varietypositivityEuler obstructionChern-Mather classlog concavityconormal space

Mathematics Subject Classification ID

Grassmannians, Schubert varieties, flag manifolds (14M15) Intersection theory, characteristic classes, intersection multiplicities in algebraic geometry (14C17) Stratifications; constructible sheaves; intersection cohomology (complex-analytic aspects) (32S60)

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Euler obstructions for the Lagrangian Grassmannian ⋮ Shadows of characteristic cycles, Verma modules, and positivity of Chern-Schwartz-MacPherson classes of Schubert cells

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