English edit

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Etymology edit

The H was suggested by Jean-Pierre Serre in recognition of the influence exerted on the subject by Heinz Hopf.

Noun edit

H-space (plural H-spaces)

  1. (topology) A topological space X (generally assumed to be connected) together with a continuous map μ : X × X → X with an identity element e such that μ(e, x) = μ(x, e) = x for all x in X.

Anagrams edit