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math.RT2021
Homological invariants of the arrow removal operation
Karin Erdmann, Chrysostomos Psaroudakis, Øyvind Solberg
In this paper we show that Gorensteinness, singularity categories and the finite generation condition Fg for the Hochschild cohomology are invariants under the arrow removal operat…
math.CT2021
Partial Serre duality and cocompact objects
Steffen Oppermann, Chrysostomos Psaroudakis, Torkil Stai
A successful theme in the development of triangulated categories has been the study of compact objects. A weak dual notion called 0-cocompact objects was introduced in arXiv:1801.0…