Tattwamasi Amrutam

activity

20182026

most citedA generalized Powers averaging property for commutative crossed products

6 citations · 14 across the 18 of their papers we have counts for

collaborators

Showing 2023Show all

4 papers · 1 filter

math.OA2023

Powers averaging for actions on $C (X)$ -algebras

Tattwamasi Amrutam, Ilan Hirshberg, Apurva Seth

Given a unital $C (X)$ -algebra $A$ discrete group $Γ$ and an action $α : Γ \to aut (A)$ which leaves $C (X)$ invariant and such that $C (X) ⋊_{α, r} Γ$ is simple, and a $2$ -co…

math.OA2023

Intermediate crossed product $C^{*}$ -algebras

Tattwamasi Amrutam, Ilan Hirshberg, Apurva Seth

Let $B$ be a separable $C^{*}$ -algebra, let $Γ$ be a discrete countable group, let $α : Γ \to Aut (B)$ be an action, and let $A$ be an invariant subalgebra. We find certain freen…

math.OA2023★ 1 cited

On the amenable subalgebras of group von Neumann algebras

Tattwamasi Amrutam, Yair Hartman, Hanna Oppelmayer

We approach the study of sub-von Neumann algebras of the group von Neumann algebra $L Γ$ for countable groups $Γ$ from a dynamical perspective. It is shown that $L (Γ)$ admits a maxi…

math.OA2023

Non-Abelian Factors for Actions of $Z$ and Other Non- $C^{*}$ -Simple Groups

Tattwamasi Amrutam, Eli Glasner, Yair Glasner

Let $Γ$ be a countable group and $(X, Γ)$ a compact topological dynamical system. We study the question of the existence of an intermediate $C^{*}$ -subalgebra $A$ $$C^{*}_{…

Powers averaging for actions on C(X)-algebras

Intermediate crossed product C∗-algebras

On the amenable subalgebras of group von Neumann algebras

Non-Abelian Factors for Actions of Z and Other Non-C∗-Simple Groups

Powers averaging for actions on $C (X)$ -algebras

Intermediate crossed product $C^{*}$ -algebras

Non-Abelian Factors for Actions of $Z$ and Other Non- $C^{*}$ -Simple Groups