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SM ISO690:2012 DIDURIK, Natalia, SHCHERBACOV, Victor. On definition of CI-quasigroup. In: Conference on Applied and Industrial Mathematics: CAIM 2017, 14-17 septembrie 2017, Iași. Chișinău: Casa Editorial-Poligrafică „Bons Offices”, 2017, Ediţia 25, p. 67. ISBN 978-9975-76-247-2. |
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Conference on Applied and Industrial Mathematics Ediţia 25, 2017 |
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Conferința "Conference on Applied and Industrial Mathematics" Iași, Romania, 14-17 septembrie 2017 | ||||||
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Pag. 67-67 | ||||||
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Necessary de nitions can be found in [2, 5, 6]. De nition 1. Loop (Q; ) satisfying one of the equivalent identities x yJx = y, xy Jx = y, where J is a bijection of the set Q such that x Jx = 1, is called a CI-loop [1]. De nition 2. Groupoid (Q; ) with the identity xy Jrx = y, where Jr is a map of the set Q into itself, is called a left CI-groupoid [3, 4]. From the results of Keedwell and Shcherbacov [6, Proposition 3.28] it follows that the left CIgroupoid in which the map Jr is bijective, is a CI-quasigroup. Any nite left CI-groupoid is a quasigroup [4]. Theorem. Any left CI-groupoid (Q; ) is a CI-quasigroup. |
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