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Group gradings on finite-dimensional incidence algebras. II · arXivDesk

2406.19329Jun 27, 2024

Group gradings on finite-dimensional incidence algebras. II

Helen Samara Dos Santos, Felipe Yukihide Yasumura

Rings and Algebras

Abstract

We complete the description of group gradings on finite-dimensional incidence algebras. Moreover, we classify the finite-dimensional graded algebras that can be realized as incidence algebras endowed with a group grading.

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