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Irreducible equivariant perverse coherent sheaves on affine Grassmannians of type $A$ and dual canonical bases

By Michael Finkelberg

Also appears in collection : Symplectic representation theory / Théorie symplectique des représentations

S. Cautis and H. Williams identified the equivariant K-theory of the affine Grassmannian of $GL(n)$ with a quantum unipotent cell of $LSL(2)$. Under this identification the classes of irreducible equivariant perverse coherent sheaves go to the dual canonical basis. This is a joint work with Ryo Fujita.

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Citation data

  • DOI 10.24350/CIRM.V.19513003
  • Cite this video Finkelberg, Michael (04/04/2019). Irreducible equivariant perverse coherent sheaves on affine Grassmannians of type $A$ and dual canonical bases. CIRM. Audiovisual resource. DOI: 10.24350/CIRM.V.19513003
  • URL https://dx.doi.org/10.24350/CIRM.V.19513003

Bibliography

  • Finkelberg, M., Fujita, R. (2019). Coherent IC-sheaves on type $A_n$ affine Grassmannians and dual canonical basis of affine type A$_1$. arXiv:1901.05994 - https://arxiv.org/abs/1901.05994

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