Arghya Sadhukhan
Published 2022-12-13Version 1
In this paper, we consider certain union $X(\mu,b)$ of affine Deligne-Lusztig varieties in the affine flag variety that arises in the study of mod-$p$ reduction of Rapoport-Zink spaces and moduli spaces of shtukas associated to a connected reductive group. Under a mild hypothesis on $\mu$, but no further restrictions on the group, we compute its dimension in the case where $b$ is the maximal neutrally acceptable element.
Comments: Preliminary version, comments welcome! arXiv admin note: text overlap with arXiv:2107.14461 by other authors
Closure of Steinberg fibers and affine Deligne-Lusztig varieties
Perverse sheaves and t-structures on the thin and thick affine flag varieties
On some partitions of an affine flag variety
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