On groupoid-graded C*-algebras and equivalent subcategories linked via monads and comonads
Operator Algebras
2025-12-09 v1
Abstract
We present a new method, involving monads and comonads from category theory, to help establish a certain type of equivalence of subcategories. As a case study we consider the category of topological gradings of -algebras over a fixed Hausdorff \'etale groupoid.
Keywords
Cite
@article{arxiv.2512.06461,
title = {On groupoid-graded C*-algebras and equivalent subcategories linked via monads and comonads},
author = {Erik Bédos and S. Kaliszewski and John Quigg},
journal= {arXiv preprint arXiv:2512.06461},
year = {2025}
}
Comments
19 pages