Noncommutative Auslander correspondence for semisimple Hopf actions

Let HH be a semisimple Hopf algebra and let AA be a noetherian Artin–Schelter regular, connected graded algebra generated in degree one. Suppose that AA is a graded HH-module algebra with an inner faithful action and trivial homological determinant, and that AHAA^H\neq A. Here A#HA\# H denotes the smash product and EndAH(A)\operatorname{End}_{A^H}(A) the endomorphism algebra of AA as a right AHA^H-module. Noncommutative Auslander conjecture. There is a natural graded algebra isomorphism

A#HEndAH(A).A\# H\cong \operatorname{End}_{A^H}(A).

This conjecture extends Auslander's theorem from small finite-group actions on commutative polynomial rings to semisimple Hopf actions on noetherian AS regular algebras. Its status is not established in the supplied text.

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Primary source

Kenneth Chan, Ellen Kirkman, Chelsea Walton and James Zhang, “McKay Correspondence for semisimple Hopf actions on regular graded algebras, I”, arXiv:1607.06977 (2018).

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