Cohomological uniqueness, Massey products and the modular isomorphism problem for 2-groups of maximal nilpotency class

Details Cohomological uniqueness, Massey products and the modular isomorphism problem for 2-groups of maximal nilpotency class Cohomological uniqueness, Massey products and the modular isomorphism problem for 2-groups of maximal nilpotency class

2011-05-05

arxiv.org/abs/1105.1143v2

Mathematics

Algebraic Topology

Scientific paper

Let $G$ be a finite 2-group of maximal nilpotency class, and let $BG$ be its
classifying space. We prove that iterated Massey products in $H^*(BG;\F_2)$ do
characterize the homotopy type of $BG$ among 2-complete spaces with the same
cohomological structure. As a consequence we get an alternative proof of the
modular isomorphism problem for 2-groups of maximal nilpotency class.

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