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math.AG2023
Cohomological and categorical concentration
Adeel A. Khan, Charanya Ravi
Given a torus action on a compact space X, a fundamental result of Borel and Atiyah-Segal asserts that the equivariant cohomology of X is concentrated in the fixed locus X^T, up to…
math.AG2023★ 1 cited
The lattice property for perfect complexes on singular stacks
Adeel A. Khan
Let C be the stable oo-category of perfect complexes on a derived Deligne-Mumford stack X of finite type over the complex numbers. We prove that the complexified noncommutative top…