Finite models for the fixed-point components of Springer fibers
Finite models for the fixed-point components of Springer fibers
Let be an triple in , let be the torus with Lie algebra , and let be the Springer fiber. Set . The group acts on and permutes its connected components; write for the variety corresponding to an -orbit of components, and let be an -finite model of . Finite-model conjecture. Each variety admits a unique -finite model . Furthermore, is the disjoint union of all . This predicts that the fixed-point components have canonical finite models whose union recovers the finite model of the Springer fiber.
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Primary source
Do Kien Hoang, “Geometry of the fixed points loci and discretization of Springer fibers in classical types”, arXiv:2405.10105 (2024).
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