Betti moduli embedding conjecture for all microsheaves on the affine Springer fiber
Betti moduli embedding conjecture for all microsheaves on the affine Springer fiber
Let and be opposite Borel subgroups of with . Set , let , and let be the restriction of the Springer resolution to . The torus acts by conjugation. Betti moduli embedding conjecture. There is a full embedding
extending the equivalence in Theorem --coherent in the stated sense: the Kirillov category is the full subcategory supplied by Theorem mic, while the coherent category is identified with the full subcategory supported on , the fiber over . Moreover, this embedding intertwines the natural actions of on both sides. This would extend the known description of the relevant subcategory of microsheaves to all microsheaves and relate them to coherent sheaves on a Betti moduli space for ; the source presents it as a further direction and gives no resolution.
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Primary source
Roman Bezrukavnikov, Pablo Boixeda Alvarez, Michael McBreen and Zhiwei Yun, “Affine Springer fiber and the small quantum group”, arXiv:2604.11966 (2026).
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