Bourbaki

Proposition 6

Tag 0BZC, permanent. Cite it as [Bourbaki, Tag 0BZC].

General Topology, chapter VII, § 2. Continuous homomorphisms of $\mathbf{R}^n$ and its quotient groups

The only isomorphisms of the topological group T\mathbf{T} onto one of its subgroups are the identity mapping and the symmetry x→−xx \to -x.

Bourbaki puts the proof directly after the statement, so what is above is the statement and its proof together.

Cited by

Cites

Nothing.

Transcribed from the printed volume. Not translated.