Invertible unital bimodules over rings with local units, and related exact sequences of groups

2009/03/26 by Laiachi El Kaoutit, Kaoutit, L. El, José Gómez-Torrecillas +1
Mathematics · #Advanced Topics in Algebra #FOS: Mathematics #Finite Group Theory Research #Group Theory (math.GR) #Rings and Algebras (math.RA) #Rings, Modules, and Algebras

paper · pdf · doi:10.48550/arxiv.0903.4666

openalex publication_date 2009/03/26 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Given an extension R ⊆ S of rings with same set of local units, inspired by the works of Miyashita, we construct four exact sequences of groups relating Picard's groups of R and S.

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