V Encontro da Pós-Graduação em Matemática da UFBA 20 a 24 de novembro de 2017
Hopf’s formula and the Schur multiplier Nicola Sambonet
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Abstract We offer an elementary result related to Hopf’s formula for the Schur multiplier. This subject is suitable to provide a concise introduction to group cohomology since, historically, the formula marked the birth of the theory relating algebraic topology with group representations.
References [1] K. S. Brown, Cohomology of groups, Springer-Verlag, 1982. [2] N. Sambonet, The unitary cover of a finite group, J. Algebra 426, 2015.
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USP,
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