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SM ISO690:2012 CHIRIAC, Liubomir, BOBEICĂ, Natalia. On some non-isomorphic quasigroups of small order. In: Conference on Applied and Industrial Mathematics: CAIM 2022, Ed. 29, 25-27 august 2022, Chişinău. Chișinău, Republica Moldova: Casa Editorial-Poligrafică „Bons Offices”, 2022, Ediţia a 29, pp. 144-147. ISBN 978-9975-81-074-6. |
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Conference on Applied and Industrial Mathematics Ediţia a 29, 2022 |
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Conferința "Conference on Applied and Industrial Mathematics" 29, Chişinău, Moldova, 25-27 august 2022 | ||||||
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Pag. 144-147 | ||||||
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A non-empty set G is said to be a groupoid relatively to a binary operation denoted by {·}, if for every ordered pair (a, b) of elements of G there is a unique element ab ∈ G. A groupoid (G, ·) is called a quasigroup if for every a, b ∈ G the equations a · x = b and y · a = b have unique solutions. We consider the quasigroups of properties (∗): left distributive, right distributive, left Bol, right Bol, left involutary, right involutary, left semimedial, right semimedial, left cancellative, right cancellative, non-associative loops, medial, paramedial, Ward, Cote and Manin quasigroups. We examine the following problem: Problem 1. How many non-isomorphic quasigroups of properties (∗) of order 3, 4, 5, 6, 7 do there exist? We have elaborated algorithms for generating and enumerating non-isomorphic quasigroups of small order of properties (∗). The results established here are related to the work in ([1,2,3,4,5]). Applying the algorithms elaborated, we prove the following results: |
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