S. Dhar

activity

20242026

collaborators

7 papers

math.RT2026

On Tate cohomology and base change of representations of $D^{\times}$

Sabyasachi Dhar

Let $F$ be a non-Archimedean local field with residue characteristic $p$ , and let $D$ be a central $F$ -division algebra of degree $d$ . Let $E / F$ be a finite Galois extension of pri…

math.RT2026

Asai Gamma Factors and Distinction in families

Sabyasachi Dhar, Hariom Sharma

Let $F$ be a finite extension of $Q_{p}$ and let $E$ be a quadratic extension of $F$ . A representation $(I ¨ , V)$ of $GL_{n} (E)$ is said to be $GL_{n} (F)$ -distinguishe…

math.RT2025

A note on finiteness of Tate cohomology groups

Sabyasachi Dhar, Santosh Nadimpalli

Let $G$ be a reductive algebraic group defined over a non-Archimedean local field $F$ of residue characteristic $p$ . Let $I ¨ $ be an automorphism of $G$ of order $ℓ$ -- a prime n…

math.RT2025

Jacquet modules of Tate cohomology and base change lifting

Sabyasachi Dhar, Santosh Nadimpalli

Let $G$ be a connected reductive group defined over a non-Archimedean local field $F$ of residue characteristic $p$ . Let $ℓ$ be a prime number distinct from $p$ . Let $E$ be a cy…

math.RT2025

Kazhdan isomorphism over families and integrality under close local fields

Sabyasachi Dhar

Let $G$ be a split connected reductive group defined over $Z$ . Let $F$ be a locally compact non-Archimedean field with residue characteristic $p$ . For a locally compact no…

math.NT2025

Families over the integral Bernstein Center and Tate cohomology of local Base change lifts for GL(n, F)

Sabyasachi Dhar, Santosh Nadimpalli

Let $p$ and $l$ be distinct odd primes, and let $F$ be a $p$ -adic field. Let $I ¨ $ be a generic smooth integral representation of $GL_{n} (F)$ over an $Q_{l}$ -v…

On Tate cohomology and base change of representations of D×

Asai Gamma Factors and Distinction in families

A note on finiteness of Tate cohomology groups

Jacquet modules of Tate cohomology and base change lifting

Kazhdan isomorphism over families and integrality under close local fields

Families over the integral Bernstein Center and Tate cohomology of local Base change lifts for GL(n, F)

On Tate cohomology and base change of representations of $D^{\times}$