Bourbaki

Example 1

Tag 00Q7, permanent. Cite it as [Bourbaki, Tag 00Q7].

Algebra, VIII, p. 454, Appendix 2. Determinants over a Noncommutative Field

The columns of the matrix Bij(λ)B_{ij}(\lambda ) are ε1,...,εj\varepsilon_1, . . . , \varepsilon_j + εiλ,εi+1,...,εn\varepsilon_i\lambda , \varepsilon_{i+1}, . . . , \varepsilon_n. By formula (5) of VIII, p. 448, we have

(21) det(Bij(λ)B_{ij}(\lambda )) =1= 1.

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.

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Transcribed from the printed edition, 2023, Springer Nature. Not translated.