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JOURNALS // Matematicheskii Sbornik // Archive
Mat. Sb. (N.S.), 1969 Volume 80(122), Number 4(12), Pages 492–502 (Mi sm3638)
This article is cited in 3 papers

Characterization of the category of polygons

L. A. Skornyakov


Abstract: Necessary and sufficient conditions are proven for the equivalence of a category to the category of polygons over some monoid. As a corollary, a characterization of the category of sets is obtained.
Bibliography : 7 titles.

UDC: 519.47

MSC: 18B05, 18D10, 18B15

Received: 26.06.1969


 English version: Mathematics of the USSR-Sbornik, 1969, 9:4, 455–465

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