Ivan Shishkin, Birch Grove

Lacet d’un espace

Definition / Topology / Stub

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Stub. This concept is still a minimal draft.

Un lacet d’un espace topologique XX est un chemin
γ:[0,1]X\gamma:[0,1]\rightarrow Xtel que γ(0)=γ(1)\gamma(0)=\gamma(1).

Remarques
  • Le point γ(0)=γ(1)\gamma(0)=\gamma(1) s’appelle point de base du lacet. Si ce point est x0x_{0}, on dit aussi que γ\gamma est un lacé basé en x0x_{0}.
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