Characteristic cycles for the loop Grassmannian and nilpotent orbits.

DOI10.1215/S0012-7094-99-09705-3zbMath1160.22306OpenAlexW2088282805MaRDI QIDQ1974895

Sam Evens, Ivan Mirković

Publication date: 27 March 2000

Published in: Duke Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1215/s0012-7094-99-09705-3

Mathematics Subject Classification ID

Representation theory for linear algebraic groups (20G05) Loop groups and related constructions, group-theoretic treatment (22E67) Sheaves of differential operators and their modules, (D)-modules (32C38)

Related Items (14)

Characteristic cycles of highest weight Harish-Chandra modules ⋮ Local Euler obstructions for determinantal varieties ⋮ Characteristic cycles of highest weight Harish-Chandra modules for \(\mathrm{Sp}(2n,\mathbb{R})\) ⋮ The Maximum Likelihood Degree of Mixtures of Independence Models ⋮ Perverse sheaves with nilpotent singular support on the stack of coherent sheaves on an elliptic curve ⋮ Microlocal \(KZ\)-functors and rational Cherednik algebras. ⋮ Smoothness of Schubert varieties in twisted affine Grassmannians ⋮ Defect of Euclidean distance degree ⋮ Vanishing cycles on Poisson varieties ⋮ Almost dominant generalized slices and convolution diagrams over them ⋮ The minimal degeneration singularities in the affine Grassmannians ⋮ Generating varieties for affine Grassmannians ⋮ Affine Demazure modules and \(T\)-fixed point subschemes in the affine Grassmannian ⋮ Good and semi-stable reductions of Shimura varieties

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