On k-Products Modulo μ-Products

  • Burkhard Wald
Part of the Lecture Notes in Mathematics book series (LNM, volume 1006)


1. For a set I and a family (Ai)i∈i of abelian groups consider the cartesian product \( \mathop \pi \limits_{i \in I} {A_i}, \) which is in a natural way an abelian group iEI again. The support of an element x of \( \mathop \pi \limits_{i \in I} {A_i}, \)is defined by supp(x) {=i ∈ I: x(i) ≠ 0}.




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© Springer-Verlag Berlin Heidelberg 1983

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  • Burkhard Wald

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