最終更新日：2025/12/05
An H-space is a topological space X equipped with a continuous map μ: X × X → X and an identity element e such that μ(e, x) = μ(x, e) = x for all x in X.
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An H-space is a topological space X equipped with a continuous map μ: X × X → X and an identity element e such that μ(e, x) = μ(x, e) = x for all x in X.
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