Multi-norms and modules over group algebras

Details Multi-norms and modules over group algebras Multi-norms and modules over group algebras

2009-09-26

arxiv.org/abs/0909.4854v1

Mathematics

Functional Analysis

29 pages

Scientific paper

Let G be a locally compact group, and let 1 < p < \infty. In this paper we investigate the injectivity of the left L^1(G)-module L^p(G). We define a family of amenability type conditions called (p,q)-amenability, for any 1 <= p <= q. For a general locally compact group G we show if L^p(G) is injective, then G must be (p,p)-amenable. For a discrete group G we prove that l^p(G) is injective if and only if G is (p,p)-amenable.

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