On torsion in the intersection cohomology of Schubert varieties

DOI10.1016/j.jalgebra.2016.06.006zbMath1368.14062arXiv1512.08295OpenAlexW2964287960MaRDI QIDQ514201

Geordie Williamson

Publication date: 28 February 2017

Published in: Journal of Algebra (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1512.08295

zbMATH Keywords

Schubert varietiesintersection cohomologyperverse sheavesBott-Samelson resolution

Mathematics Subject Classification ID

Reflection and Coxeter groups (group-theoretic aspects) (20F55) Grassmannians, Schubert varieties, flag manifolds (14M15) Classical problems, Schubert calculus (14N15)

Related Items (5)

Schubert calculus and torsion explosion ⋮ Algebraic representations and constructible sheaves ⋮ LECTURES ON THE GEOMETRY AND MODULAR REPRESENTATION THEORY OF ALGEBRAIC GROUPS ⋮ Working session: Geometric representation theory. Abstracts from the working session held April 3--9, 2022 ⋮ The ABC of \(p\)-cells

Cites Work

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• Parity sheaves
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• Soergel Calculus and Schubert Calculus
• The Decomposition Matrices of GL _n (q ) for n ⩽ 10
• The Hard Lefschetz Theorem and the topology of semismall maps
• Perverse sheaves and modular representation theory
• Schubert calculus and torsion explosion

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