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arXiv · 2105.09224

Prime group graded rings with applications to partial crossed products and Leavitt path algebras

Daniel Lännström·Patrik Lundström·Johan Öinert·Stefan Wagner
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Abstract

In this article we generalize a classical result by Passman on primeness of unital strongly group graded rings to the class of nearly epsilon-strongly group graded rings which are not necessarily unital. Using this result, we obtain (i) a characterization of prime $s$-unital strongly group graded rings, and, in particular, of infinite matrix rings and of group rings over $s$-unital rings, thereby generalizing a well-known result by Connell; (ii) characterizations of prime $s$-unital partial skew group rings and of prime unital partial crossed products; (iii) a generalization of the well-known characterizations of prime Leavitt path algebras, by Larki and by Abrams-Bell-Rangaswamy.

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Daniel Lännström, Patrik Lundström, Johan Öinert, Stefan Wagner. 2021-05-19. Prime group graded rings with applications to partial crossed products and Leavitt path algebras. https://doi.org/10.1016/j.jpaa.2024.107842

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