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Derived categories of character sheaves

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abstract

We give a block decomposition of the dg category of character sheaves on a simple and simply-connected complex reductive group $G$, similar to the one in generalized Springer correspondence. As a corollary, we identify the category of character sheaves on $G$ as the category of quasi-coherent sheaves on an explicitly defined derived stack $\widehat{G}$.

fields

math.SG 1

years

2026 1

verdicts

UNVERDICTED 1

representative citing papers

Mirror Symmetry of the Affine Toda Systems

math.SG · 2026-05-20 · unverdicted · novelty 7.0

Proves homological mirror symmetry linking the wrapped Fukaya category of the affine Toda system for G to coherent sheaves on the regular centralizer for G^vee, as a geometric Langlands equivalence for P1 with mildest wild ramification at 0 and infinity.

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  • Mirror Symmetry of the Affine Toda Systems math.SG · 2026-05-20 · unverdicted · none · ref 27 · internal anchor

    Proves homological mirror symmetry linking the wrapped Fukaya category of the affine Toda system for G to coherent sheaves on the regular centralizer for G^vee, as a geometric Langlands equivalence for P1 with mildest wild ramification at 0 and infinity.