Some structural results on the non-abelian tensor square of groups

By R. D. Blyth, Francesco Fumagalli, M. Morigi. 2008

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Abstract We study the non-abelian tensor square G ⊗ G for the class of groups G that are finitely generated modulo their derived subgroup. In particular, we find conditions on G/G′ so that G ⊗ G is isomorphic to the direct product of ∇(G) and the non-abelian exterior square G ∧ G. For any group G, we characterize the non-abelian exterior square G ∧ G in terms of a presentation of G. Finally, we apply our results to some classes of groups, such as the classes of free solvable and free nilpotent groups of finite rank, and some classes of finite p-groups.

Subfields: Artificial Intelligence, Discrete Mathematics and Combinatorics, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/672c7f98d68198d69559ae8f255e1db6230deec7