Takeshi Katsura

most citedA categorical approach to inverse semigroups, étale groupoids, and their C*-algebras

1 citations · 1 across the 1 of their papers we have counts for

collaborators

2 papers

math.OA2024★ 1 cited

A categorical approach to inverse semigroups, étale groupoids, and their C*-algebras

Takuto Fujieda, Takeshi Katsura, Tomoki Uchimura

We introduce a category of inverse semigroup actions and a category of étale groupoids. We show that there are three functors which send inverse semigroups to their spectral action…

math.OA2018

The extension problem for graph $C^{*}$ -algebras

Søren Eilers, James Gabe, Takeshi Katsura +2

We give a complete $K$ -theoretical description of when an extension of two simple graph $C^{*}$ -algebras is again a graph $C^{*}$ -algebra.

A categorical approach to inverse semigroups, étale groupoids, and their C*-algebras

The extension problem for graph C∗-algebras

The extension problem for graph $C^{*}$ -algebras