Let S be an abelian *-semigroup. In this paper we prove some equivalent conditions for that every positive function is a moment function on S + S + S with a unique representation measure on the set of characters of S.
@article{urn:eudml:doc:44344, title = {On equivalent conditions to quasi-perfectness of abelian *-semigroups.}, journal = {Collectanea Mathematica}, volume = {55}, year = {2004}, pages = {261-268}, zbl = {1062.43013}, mrnumber = {MR2099217}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44344} }
Sakakibara, Nobuhisa. On equivalent conditions to quasi-perfectness of abelian *-semigroups.. Collectanea Mathematica, Tome 55 (2004) pp. 261-268. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44344/