Co-H-spaces and the Ganea conjecture

研究成果: ジャーナルへの寄稿学術誌査読

3 被引用数 (Scopus)

抄録

A non-simply connected co-H-space X is, up to homotopy, the total space of a fibrewise-simply connected pointed fibrewise co-Hopf fibrant j:X→Bπ1(X), which is a space with a co-action of Bπ1(X) along j. We construct its homology decomposition, which yields a simple construction of its fibrewise localisation. Our main result is the construction of a series of co-H-spaces, each of which cannot be split into a one-point-sum of a simply connected space and a bunch of circles, thus disproving the Ganea conjecture.

本文言語英語
ページ(範囲)223-234
ページ数12
ジャーナルTopology
40
2
DOI
出版ステータス出版済み - 3月 2001

!!!All Science Journal Classification (ASJC) codes

  • 幾何学とトポロジー

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