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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 classification and studying properties of complex unital $3$-dimensional structurable algebras. We provide a complete list of non-isomorphic classes, identifying five algebras for type $(2, 1)$ and two algebras…

Rings and Algebras · Mathematics 2026-03-05 Kobiljon Abdurasulov , Maqpal Eraliyeva , Ivan Kaygorodov

This article provides a complete description of the differential Gerstenhaber algebras of all nilpotent complex structures on any real six-dimensional nilpotent algebra. As an application, we classify all pseudo-K\"ahlerian complex…

Algebraic Geometry · Mathematics 2007-10-20 Richard Cleyton , Yat Sun Poon

In this paper, nilpotent n-Lie algebras of dimension n + 3 as well as nilpotent n-Lie algebras of class 2 and dimension n + 4 are classified.

Rings and Algebras · Mathematics 2018-10-10 Mehdi Eshrati , Farshid Saeedi , Hamid Darabi

Second-order superintegrable systems in dimensions two and three are essentially classified. With increasing dimension, however, the non-linear partial differential equations employed in current methods become unmanageable. Here we propose…

Differential Geometry · Mathematics 2025-05-09 Jonathan Kress , Konrad Schöbel , Andreas Vollmer

In this paper we give classification of two-dimensional real evolution algebras. For several chains of evolution algebras we study their classification dynamics.

Dynamical Systems · Mathematics 2013-05-30 Sh. N. Murodov

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 varieties of Jordan, Lie and associative algebras.

Rings and Algebras · Mathematics 2015-12-09 A. Kh. Khudoyberdiyev

A nilpotent Lie algebra n_{n,1} with an (n-1) dimensional Abelian ideal is studied. All indecomposable solvable Lie algebras with n_{n,1} as their nilradical are obtained. Their dimension is at most n+2. The generalized Casimir invariants…

Mathematical Physics · Physics 2007-05-23 L. Snobl , P. Winternitz

We give a classification of 5- and 6-dimensional complex one-generated nilpotent Novikov algebras

Rings and Algebras · Mathematics 2020-04-09 Luisa M. Camacho , Iqboljon Karimjanov , Ivan Kaygorodov , Abror Khudoyberdiyev

The invariants of all complex solvable rigid Lie algebras up to dimension eight are computed. Moreover we show, for rank one solvable algebras, some criteria to deduce to non-existence of non-trivial invariants or the existence of…

Rings and Algebras · Mathematics 2009-11-07 Rutwig Campoamor-Stursberg

For each complex 8-dimensional filiform Lie algebra we find another non isomorphic Lie algebra that degenerates to it. Since this is already known for nilpotent Lie algebras of rank $\ge 1$, only the caracteristically nilpotent ones should…

Rings and Algebras · Mathematics 2013-08-22 Joan Felipe Herrera-Granada , Paulo Tirao

In the present paper we obtain the list of algebras, up to isomorphism, such that closure of any complex finite-dimensional algebra contains one of the algebra of the given list.

Rings and Algebras · Mathematics 2013-01-25 A. Kh. Khudoyberdiyev , B. A. Omirov

All complex $3$-dimensional nilalgebras were described. As a corollary, all degenerations in the variety of complex $3$-dimensional nilalgebras were obtained.

Rings and Algebras · Mathematics 2024-08-15 Ivan Kaygorodov , Oleg Shashkov

The paper is devoted to the so-called complete Leibniz algebras. It is known that a Lie algebra with a complete ideal is split. We will prove that this result is valid for Leibniz algebras whose complete ideal is a solvable algebra such…

Rings and Algebras · Mathematics 2022-04-01 K. K. Abdurasulov , Z. Kh. Shermatova

In this work, we consider degenerations between 8-dimensional 2-step nilpotent Lie algebras over $\mathbb{C}$ and obtain the geometric classification of the variety $\mathcal{N}^2_8$.

Rings and Algebras · Mathematics 2019-09-11 María Alejandra Alvarez

A classification of all four-dimensional power-commutative real division algebras is given. It is shown that every four-dimensional power-commutative real division algebra is an isotope of a particular kind of a quadratic division algebra.…

Rings and Algebras · Mathematics 2009-11-19 Erik Darpö , Abdellatif Rochdi

In this paper, we give a complete classification of $n$-dimensional nilpotent non-Tortkara anticommutative algebras with $(n-4)$-dimensional annihilator over $\mathbb{C}$.

Rings and Algebras · Mathematics 2022-05-17 Shun Xu

In this paper we continue the description of solvable Leibniz algebras whose nilradical is a filiform algebra. In fact, solvable Leibniz algebras whose nilradical is a naturally graded filiform Leibniz algebra are described in \cite{Campo}…

Rings and Algebras · Mathematics 2013-07-08 L. M. Camacho , B. A. Omirov , K. K. Masutova

All bialgebra structures on twodimensional Galilei algebra are classified. The corresponding Lie-Poisson structures on Galilei group are found.

q-alg · Mathematics 2008-02-03 Emil Kowalczyk

The present paper is devoted to the description of finite-dimensional semisimple Leibniz algebras over complex numbers, their derivations and automorphisms.

Rings and Algebras · Mathematics 2017-08-29 Shavkat Ayupov , Karimbergen Kudaybergenov , Bakhrom Omirov , Kaiming Zhao