On autotopies and automorphisms of \(n\)-ary linear quasigroups

In this article we study  structure of autotopies, automorphisms,  autotopy groups and automorphism groups of \(n\)-ary linear quasigroups. We find a connection between automorphism groups of some special kinds of \(n\)-ary quasigroups (idempotent quasigroups, loops) and some isotopes of these quasi...

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Bibliographic Details
Date:2018
Main Authors: Marini, Alberto, Shcherbacov, Victor
Format: Article
Language:English
Published: Lugansk National Taras Shevchenko University 2018
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Online Access:https://admjournal.luguniv.edu.ua/index.php/adm/article/view/991
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Journal Title:Algebra and Discrete Mathematics

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Algebra and Discrete Mathematics
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Summary:In this article we study  structure of autotopies, automorphisms,  autotopy groups and automorphism groups of \(n\)-ary linear quasigroups. We find a connection between automorphism groups of some special kinds of \(n\)-ary quasigroups (idempotent quasigroups, loops) and some isotopes of these quasigroups. In binary case  we find more detailed  connections between automorphism group of a loop and automorphism group of some its isotope. We prove that every finite medial \(n\)-ary quasigroup of order greater than 2 has a non-identity automorphism group. We apply obtained results to give some information on automorphism groups of \(n\)-ary quasigroups that correspond to the ISSN code, the EAN code and the UPC code.