jaj•a•person's notes

Tag: m/def/homotopy

15 items with this tag.

  • A covering is regular iff its deck transformation group acts transitively on fibres

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  • Category of coverings

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  • Characteristic subgroup of a covering

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  • Contractible space

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  • Deck transformation

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  • Deformation retraction

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  • Fundamental group

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  • Homotopy equivalence

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  • Homotopy group

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  • Homotopy of maps

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  • Homotopy of paths

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  • Null-homotopic map

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  • Regular covering

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  • Simple connectedness

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  • Universal covering

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