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Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, 2014, номер 3, страницы 89–96
(Mi basm373)
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Near-totally conjugate orthogonal quasigroups
G. B. Belyavskayaa, T. V. Popovichb a Institute of Mathematics and Computer Science, Academy of Sciences of Moldova, Academiei str. 5, MD-2028, Chişinău, Moldova
b A. Russo State University, Balti, Moldova
Аннотация:
The near-totally conjugate orthogonal quasigroups (near-$totCO$-quasigroups), i.e., quasigroups for which there exist five (but there are no six) pairwise orthogonal conjugates, are studied. We consider six types of such quasigroups, connection between them and prove that for any integer $n\geq7$ which is relatively prime to 2,3 and 5 there exist near-$totCO$-quasigroups of order $n$ of any type. Three types of conjugate orthogonality graphs, associated with these quasigroups are characterized.
Ключевые слова и фразы:
quasigroup, $T$-quasigroup, conjugate, parastrophe, conjugate orthogonal quasigroup, Latin square, graph of conjugate orthogonality.
Поступила в редакцию: 11.09.2014
Образец цитирования:
G. B. Belyavskaya, T. V. Popovich, “Near-totally conjugate orthogonal quasigroups”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2014, no. 3, 89–96
Образцы ссылок на эту страницу:
https://www.mathnet.ru/rus/basm373 https://www.mathnet.ru/rus/basm/y2014/i3/p89
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Страница аннотации: | 176 | PDF полного текста: | 56 | Список литературы: | 26 |
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