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Title: | FREE COMMUTATIVE g-DIMONOIDS |
Authors: | Zhuchok, A. V. Zhuchok, Y. V. |
Issue Date: | 2015 |
Abstract: | A dialgebra is a vector space equipped with two binary operations ⊣ and ⊢ satisfying the following axioms: (D1) (x ⊣ y) ⊣ z = x ⊣ (y ⊣ z), (D2) (x ⊣ y) ⊣ z = x ⊣ (y ⊢ z), (D3) (x ⊢ y) ⊣ z = x ⊢ (y ⊣ z), (D4) (x ⊣ y) ⊢ z = x ⊢ (y ⊢ z), (D5) (x ⊢ y) ⊢ z = x ⊢ (y ⊢ z). This notion was introduced by Loday while studying periodicity phenomena in algebraic K-theory. Leibniz algebras are a non-commutative variation of Lie algebras and dialgebras are a variation of associative algebras. Recall that anyassociativealgebragivesrisetoaLiealgebraby[x,y] = xy−yx.Dialgebras are related to Leibniz algebras in a way similar to the relationship between associative algebras and Lie algebras. A dialgebra is just a linear analog of a dimonoid. If operations of a dimonoid coincide, the dimonoid becomes a semigroup. So, dimonoids are a generalization of semigroups. Pozhidaev and Kolesnikov considered the notion of a 0-dialgebra, that is, a vector space equipped with two binary operations ⊣ and ⊢ satisfying the axioms (D2) and (D4). This notion have relationships with Rota-Baxter algebras, namely, the structure of Rota-Baxter algebras appearing on 0-dialgebras is known. The notion of an associative 0-dialgebra, that is, a 0-dialgebra with two binary operations ⊣ and ⊢ satisfying the axioms (D1) and (D5), is a linear analog of the notion of a g-dimonoid. In order to obtain a g-dimonoid, we shouldomittheaxiom (D3) ofinnerassociativityinthedefinitionofadimonoid. Axioms of a dimonoid and of a g-dimonoid appear in defining identities of trialgebras and of trioids introduced by Loday and Ronco.The class of all g-dimonoids forms a variety. In the paper of the second author the structure of free g-dimonoids and free n-nilpotent g-dimonoids was given. The class of all commutative g-dimonoids, that is, g-dimonoids with commutative operations, forms a subvariety of the variety of g-dimonoids. The free dimonoid in the variety of commutative dimonoids was constructed in the paper of the first author. In this paper we construct a free commutative g-dimonoid and describe the least commutative congruence on a free g-dimonoid. |
Description: | Zhuchok A. V. Free commutative g-dimonoids / A. V. Zhuchok, Yu. V. Zhuchok // Чебышевский сборник : yауч.-теорет. журн. — Т. XVI. Вып. 3 (55). — Тула: Изд-во Тул. гос. пед. ун-та им. Л. Н. Толстого, 2015. - C 276-284. |
URI: | http://hdl.handle.net/123456789/4928 |
Appears in Collections: | Статті |
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