En conséquence,Disc(B/A)diviseN B/A(b)pour toutb∈µ(Ann(J))

En prenant les déterminants, on obtientNB/A(b) = d´ et(Pu) Disc(ε)

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math.AC · 2025-06-04 · accept · novelty 4.0

If a finite free commutative algebra has zero Kähler differentials, its discriminant is invertible, making it tracically étale.

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Algebraic identities to prove that a neat finite free algebra is tracically \'etale math.AC · 2025-06-04 · accept · none · ref 4
If a finite free commutative algebra has zero Kähler differentials, its discriminant is invertible, making it tracically étale.