Bourbaki

Theorem 2

Tag 0AQ6, permanent. Cite it as [Bourbaki, Tag 0AQ6].

Lie Groups and Lie Algebras, chapter V, § 3. Groups of displacements generated by reflections

For any chamber C, the closure C‾\overline{C} of C is a fundamental domain for the action of W on E.

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

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Cites

Nothing.

Transcribed from the printed volume. Not translated.