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Related papers: Classification of five-dimensional nilpotent Jorda…

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We give algebraic and geometric classifications of $4$-dimensional complex nilpotent terminal algebras. Specifically, we find that, up to isomorphism, there are $41$ one-parameter families of $4$-dimensional nilpotent terminal (non-Leibniz)…

Rings and Algebras · Mathematics 2021-11-02 Ivan Kaygorodov , Mykola Khrypchenko , Yury Popov

This paper is devoted to the complete algebraic and geometric classification of complex $5$-dimensional nilpotent Leibniz algebras. In particular, the variety of complex $5$-dimensional nilpotent Leibniz algebras has dimension $24$ it has…

Rings and Algebras · Mathematics 2023-07-04 Kobiljon Abdurasulov , Ivan Kaygorodov , Abror Khudoyberdiyev

We developed a new proper method for classifying $n$-dimensional derived Jordan algebras, and apply it to the classification of $3$-dimensional derived Jordan algebras. As a byproduct, we have the algebraic classification of $3$-dimensional…

Rings and Algebras · Mathematics 2026-04-14 Hani Abdelwahab , Ivan Kaygorodov , Roman Lubkov

Moens proved that a finite-dimensional Lie algebra over field of characteristic zero is nilpotent if and only if it has an invertible Leibniz-derivation. In this article we prove the analogous results for finite-dimensional Malcev, Jordan,…

Rings and Algebras · Mathematics 2020-04-03 Ivan Kaygorodov , Yury Popov

This paper is devoted to the complete algebraic classification of complex $5$-dimensional nilpotent Novikov algebras.

Rings and Algebras · Mathematics 2024-02-02 Kobiljon Abdurasulov , Ivan Kaygorodov , Abror Khudoyberdiyev

Working over an arbitrary field of characteristic different from $2$, we extend the Skjelbred-Sund method to compatible Lie algebras and give a full classification of nilpotent compatible Lie algebras up to dimension $4$. In case the base…

Rings and Algebras · Mathematics 2024-11-11 Manuel Ladra , Bernardo Leite da Cunha , Samuel A. Lopes

We classify, up to isomorphism, the 2-dimensional algebras over a field K. We focuse also on the case of characteristic 2, identifying the matrices of GL(2,F_2) with the elements of the symmetric group S_3. The classification is then given…

Rings and Algebras · Mathematics 2017-07-03 Elisabeth Remm , Michel Goze

We determine the isomorphism classes of Jordan algebras in dimension two over the field of real numbers. Using techniques of non-standard analysis we study the properties of the variety of Jordan algebras, and also the contractions among…

Rings and Algebras · Mathematics 2007-05-23 J. M. Ancochea Bermudez , R. Campoamor-Stursberg , L. Garcia Vergnolle , J. Sanchez Hernandez

We give the classification of $5$- and $6$-dimensional complex one-generated nilpotent assosymmetric algebras.

Rings and Algebras · Mathematics 2021-01-20 Ivan Kaygorodov , Farukh Mashurov

We give a geometric classification of $n$-dimensional nilpotent, commutative nilpotent and anticommutative nilpotent algebras. We prove that the corresponding geometric varieties are irreducible, find their dimensions and describe explicit…

Rings and Algebras · Mathematics 2023-06-02 Ivan Kaygorodov , Mykola Khrypchenko , Samuel A. Lopes

We give a complete description of degenerations of $3$-dimensional nilpotent algebras, $4$-dimensional nilpotent commutative algebras and $5$-dimensional nilpotent anticommutative algebras over $ \mathbb C$. In particular, we correct…

Rings and Algebras · Mathematics 2021-11-02 Amir Fernández Ouaridi , Ivan Kaygorodov , Mykola Khrypchenko , Yury Volkov

This paper is devoted to the description of complex finite-dimensional algebras of level two. We obtain the classification of algebras of level two in the variety of Leibniz algebras. It is shown that, up to isomorphism, there exist three…

Rings and Algebras · Mathematics 2018-10-17 James Francese , Abror Khudoyberdiyev , Bennett Rennier , Anastasia Voloshinov

This study focuses on the analysis of derivations, centroids, and inner derivations of 5-dimensional complex nilpotent associative algebras. It presents the classification of these algebras of dimension less than five, as well as the…

Rings and Algebras · Mathematics 2025-05-01 Ahmed Zahari Abdou

We determine the complete degeneration picture inside the variety of nilpotent associative algebras of dimension 3 over an algebraically closed field of characteristic not equal to 2. Comparing with the discussion in [Ivanova N.M. and…

Rings and Algebras · Mathematics 2024-08-20 N. M. Ivanova , C. A. Pallikaros

In this paper we classify the laws of three-dimensional and four-dimensional nilpotent Jordan algebras over the field of complex numbers. We describe the irreducible components of their algebraic varieties and extend contractions and…

Rings and Algebras · Mathematics 2017-02-13 J. M. Ancochea Bermudez , J. Fresan , Juan Margalef-Bentabol

This paper is devoted to the complete algebraic classification of complex 5-dimensional nilpotent bicommutative algebras.

Rings and Algebras · Mathematics 2024-06-19 Kobiljon Abdurasulov , Ivan Kaygorodov , Abror Khudoyberdiyev

We extend the loop algebra construction for algebras graded by abelian groups to study graded-simple algebras over the field of real numbers (or any real closed field). As an application, we classify up to isomorphism the graded-simple…

Rings and Algebras · Mathematics 2018-07-03 Yuri Bahturin , Mikhail Kochetov

We give a geometric classification of complex $5$-dimensional nilpotent commutative $\mathfrak{CD}$-algebras. The corresponding geometric variety has dimension $24$ and decomposes into $10$ irreducible components determined by the Zariski…

Rings and Algebras · Mathematics 2022-04-04 Doston Jumaniyozov , Ivan Kaygorodov , Abror Khudoyberdiyev

In the article we study the simple unital communitative three-dimensional algebras over an algebraically closed field of characteristic not equal to 2. It is proved that every simple unital communitative three-dimensional algebra of…

Rings and Algebras · Mathematics 2025-04-02 Vita Glizburg , Sergey Pchelintsev

In this paper we investigate the derivations of filiform Leibniz algebras. Recall that the set of filiform Leibniz algebras of fixed dimension is decomposed into three non-intersected families. We found sufficient conditions under which…

Rings and Algebras · Mathematics 2012-05-10 A. Kh. Khudoyberdiyev , M. Ladra , B. A. Omirov