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math.RT2026
Rationality properties of complex representations of reductive p-adic groups
David Kazhdan, Maarten Solleveld, Yakov Varshavsky
For a reductive group G over a non-archimedean local field, we compare smooth representations over C with smooth representations over Qbar (an algebraic closure of Q). We show that…
math.RT2026
Witt affine Springer theory
Noam Nissan, Yakov Varshavsky
This paper extends the affine Springer theory developed by Bouthier, Kazhdan, and the second author (see [BKV]) to the mixed characteristic case. In particular, we introduce a theo…
math.RT2025
Affine Springer fibers and depth zero L-packets
Roman Bezrukavnikov, Yakov Varshavsky
Let be a connected reductive group over a field splitting over . Following [KV,DR], a tamely unramified Langlands parameter…