Solutions to some problems in amenable semigroups
S. K. Ayyaswamy, P. V. Ramakrishnan · Proceedings of the Royal Society of Edinburgh Section A Mathematics · 1986
Synopsis This paper discusses a few problems on the size of the set of invariant means of an amenable semigroup posed by Maria M. Klawe, Alan L. T. Paterson and M. Rajagopalan and P. V. Ramakrishnan ([4], [5], [8] and [9]).