Disproves a prior corollary and characterizes essential left φ-contractibility of group algebras by group compactness, plus results for L²(G) and Fourier algebras.
Runde, Lectures on amenability, Springer, New York, 2002
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A note on essentially left $\phi$-contractible Banach algebras
Disproves a prior corollary and characterizes essential left φ-contractibility of group algebras by group compactness, plus results for L²(G) and Fourier algebras.