A New Higher Homotopy Groupoid: the Fundamental Globular Ω-groupoid of a Filtered Space

نویسنده

  • RONALD BROWN
چکیده

We show that the graded set of filter homotopy classes rel vertices of maps from the n-globe to a filtered space may be given the structure of (strict) globular ω-groupoid. The proofs use an analogous fundamental cubical ω-groupoid due to the author and Philip Higgins in 1981. This method also relates the construction to the fundamental crossed complex of a filtered space, and this relation allows the proof that the crossed complex associated to the free globular ω-groupoid on one element of dimension n is the fundamental crossed complex of the n-globe.

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تاریخ انتشار 2007