Example 4

Tag 01QU, permanent. Cite it as [Bourbaki, Tag 01QU].

Topologie algébrique, chapter I, § 5. Revêtements principaux

Endowed with the canonical mapping of $\mathbf{R}$ onto $\mathbf{T}=\mathbf{R}/\mathbf{Z}$ (TG, V, p. $2$ ) $,\mathbf{R}$ is a principal covering of $\mathbf{R}/\mathbf{Z}$ of group $\mathbf{Z}$ .

Bourbaki sets the proof directly after the statement, and the corpus does not separate them, so what is above is the statement and its proof together.

Cited by

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Cites

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