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math.RA2025
Groupoids of finitely aligned higher-rank graphs via filters and graph morphisms
Lisa Orloff Clark, Malcolm Jones
Higher-rank graphs are certain small categories that are a higher-dimensional generalisation of both directed graphs and free monoids. Path and boundary-path groupoids of finitely…
math.RA2025
Singular ideals over arbitrary fields for the cyclic-headed snakes
Ramla Abdellatif, Lisa Orloff Clark, Roy Jansen +1
We study the Steinberg algebras with coefficients in an arbitrary field K for the cyclic-headed snake groupoids, which are basic examples of non-Hausdorff groupoids. We are particu…