47 citations · 85 across the 24 of their papers we have counts for
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math.KT2020
The singularity category of an exact category applied to characterize Gorenstein schemes
Lars Winther Christensen, Nanqing Ding, Sergio Estrada +3
We study singularity categories of exact categories with a focus on those associated to a complete hereditary cotorsion pair. As an application we identify a non-affine analogue of…
math.KT2018★ 1 cited
Homology of étale groupoids, a graded approach
Roozbeh Hazrat, Huanhuan Li
We introduce a graded homology theory for graded étale groupoids. For -graded groupoids, we establish an exact sequence relating the graded zeroth-homology to non-graded…
math.KT2017★ 47 cited
Graded Steinberg algebras and their representations
Pere Ara, Roozbeh Hazrat, Huanhuan Li +1
We study the category of left unital graded modules over the Steinberg algebra of a graded ample Hausdorff groupoid. In the first part of the paper, we show that this category is i…