Decomposition of idempotent 2-cocycles

DOI10.4064/cm8720-3-2022arXiv2203.00589OpenAlexW4289756530MaRDI QIDQ6044526

Unnamed Author, Th. Theohari-Apostolidi

Publication date: 19 May 2023

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2203.00589

zbMATH Keywords

ordered monoidsweak crossed product algebrasidempotent 2-cocyclesweak 2-cocycles

Mathematics Subject Classification ID

Galois cohomology (11S25) Twisted and skew group rings, crossed products (16S35)

Cites Work

• On crossed product algebras arising from weak cocycles
• On weak crossed products, Frobenius algebras, and the weak Bruhat ordering.
• Construction of idempotent 2-cocycles
• A New Invariant for C Over R: Almost Invertible Cohomology Theory and the Classification of Idempotent Cohomology Classes and Algebras by Partially Ordered Sets with a Galois Group Action

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