activity
20182025
most citedNormal coactions extend to the C*-envelope

1 citations · 1 across the 7 of their papers we have counts for

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math.DS2025

Unital shift equivalence

Kevin Aguyar Brix, Efren Ruiz

We introduce and study a unital version of shift equivalence for finite square matrices over the nonnegative integers. In contrast to the classical case, we show that unital shift…

math.OA2025

On Hausdorff covers for non-Hausdorff groupoids

Kevin Aguyar Brix, Julian Gonzales, Jeremy B. Hume +1

We develop a new approach to non-Hausdorff étale groupoids and their algebras based on Timmermann's construction of Hausdorff covers. As an application, we completely characterise…