Let A be a commutative ring. We denote by a standard
A-algebra a commutative graded A-algebra
U=[oplus ]n[ges ]0Un
with U0=A and such that U is generated
as an
A-algebra by the elements of U1.
Take
In this paper we give two descriptions of the A-module
of effective n-relations.
In terms of André–Quillen homology we have that
E(U)n=
H1(A, U, A)n
(see 2·3).
It turns out that this module does not depend on the chosen
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