Analytic sets in the theory of commutative semigroups
Robert Kaufman
Studia Mathematica, Tome 231 (2015), p. 3-6 / Harvested from The Polish Digital Mathematics Library
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A problem about representations of countable, commutative semigroups leads to an analytic non-Borel set.

Publié le : 2015-01-01
EUDML-ID : urn:eudml:doc:285820 
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     title = {Analytic sets in the theory of commutative semigroups},
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     volume = {231},
     year = {2015},
     pages = {3-6},
     zbl = {1331.43004},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm228-1-2}
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Robert Kaufman. Analytic sets in the theory of commutative semigroups. Studia Mathematica, Tome 231 (2015) pp. 3-6. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm228-1-2/