This research demonstrates nilpotent singular support in character sheaves of reductive groups, indicating broader applicability in positive characteristic.
We prove that character sheaves of a reductive group defined over any characteristic have nilpotent singular support, partially extending the work of [5, 16] to positive characteristic. We do this by introducing a category of tame perverse sheaves and studying its properties.
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Kostas I. Psaromiligkos (2025) studied this question.
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