REGULARITY CRITERION AND CLASSIFICATION FOR ALGEBRAS OF JORDAN TYPE
2016
We show that Artin–Schelter regularity of a $\mathbb{Z}$
-graded algebra can be examined by its associated $\mathbb{Z}$
r-graded algebra. We prove that there is exactly one class of four-dimensional Artin–Schelter regular algebras with two generators of degree one in the Jordan type. This class is strongly noetherian, Auslander regular, and Cohen–Macaulay. Their automorphisms and point modules are described.
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