scientific article; zbMATH DE number 1421029

zbMath0952.20024MaRDI QIDQ4946052

Colin M. Campbell, Hayrullah Ayık, J. J. O'Connor, Nikola Ruškuc

Publication date: 16 October 2000

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

finite groupssemigroupsefficiencywreath productsmonoidsSchur multipliersdeficiencyfinite presentations

Mathematics Subject Classification ID

Generators, relations, and presentations of groups (20F05) Free semigroups, generators and relations, word problems (20M05) Homological methods in group theory (20J05) Extensions, wreath products, and other compositions of groups (20E22) Projective representations and multipliers (20C25)

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A Higher Version of Zappa Products for Monoids ⋮ On semigroup presentations and Adian graphs.

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