Geodesic
A cancellative amenable ascending union of nonamenable semigroups
Czechoslovak Mathematical Journal, Tome 61 (2011) no. 3, pp. 687-690
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We construct an example of a cancellative amenable semigroup which is the ascending union of semigroups, none of which are amenable.
We construct an example of a cancellative amenable semigroup which is the ascending union of semigroups, none of which are amenable.
DOI : 10.1007/s10587-011-0039-5
Classification : 20M99, 43A07, 43A17
Keywords: amenability; semigroups; ascending union 
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Donnelly, John. A cancellative amenable ascending union of nonamenable semigroups. Czechoslovak Mathematical Journal, Tome 61 (2011) no. 3, pp. 687-690. doi: 10.1007/s10587-011-0039-5

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