Bourbaki

Definition 4

Tag 060N, permanent. Cite it as [Bourbaki, Tag 060N].

Algebra, chapter III, § 4. Tensor products of algebras

Given an algebra G over a commutative field K, two subalgebras E, F of G are said to be linearly disjoint over K if they satisfy the following conditions: (1) every element of E commutes with every element of F; (2) the canonical homomorphism of E⊗KFE \otimes_K F into G is injective.

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

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Cites

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Transcribed from the printed edition, 1998, Springer. Not translated.