Counter examples for pseudo-amenability of some semigroup algebras
Amir Sahami (2020)
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica
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In this short note, we give some counter examples which show that [11, Proposition 3.5] is not true. As a consequence, the arguments in [11, Proposition 4.10] is not valid.