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This paper is devoted to give the complete algebraic and geometric classification of $4$-dimensional nilpotent Novikov algebras over $\mathbb C.$

Rings and Algebras · Mathematics 2019-06-26 Iqboljon Karimjanov , Ivan Kaygorodov , Abror Khudoyberdiyev

We classify Nichols algebras of irreducible Yetter-Drinfeld modules over nonabelian groups satisfying an inequality for the dimension of the homogeneous subspace of degree two. All such Nichols algebras are finite-dimensional, and all known…

Quantum Algebra · Mathematics 2011-05-31 M. Graña , I. Heckenberger , L. Vendramin

We establish a surprising correspondence between groups definable in o-minimal structures and linear algebraic groups, in the nilpotent case. It turns out that in the o-minimal context, like for finite groups, nilpotency is equivalent to…

Logic · Mathematics 2020-10-07 Annalisa Conversano

We formulate and prove that there are "abundant" in nilpotent orbits in real semisimple Lie algebras, in the following sense. If S denotes the collection of hyperbolic elements corresponding the weighted Dynkin diagrams coming from…

Representation Theory · Mathematics 2016-12-12 Takayuki Okuda

In this study, we classify some soliton nilpotent Lie algebras and possible candidates in dimension 8 and 9 up to isomorphy. We focus on 1 < 2 < ::: < n type of derivations where n is the dimension of the Lie algebras. We present algorithms…

Differential Geometry · Mathematics 2016-05-20 Hulya Kadioglu

We study finite-dimensional nonassociative algebras. We prove the implicit function theorem for such algebras. This allows us to establish a correspondence between such algebras and quasigroups, in the spirit of classical correspondence…

Rings and Algebras · Mathematics 2022-08-23 Yuri Bahturin , Alexander Olshanskii

First we describe the Skjelbred-Sund method for classifying nilpotent Lie algebras. Then we use it to classify 6-dimensional nilpotent Lie algebras over any field of characteristic not 2. The proof of this classification is essentially…

Rings and Algebras · Mathematics 2007-05-23 W. A. de Graaf

We study quadratic Lie algebras over a field K of null characteristic which admit, at the same time, a symplectic structure. We see that if K is algebraically closed every such Lie algebra may be constructed as the T*-extension of a…

Rings and Algebras · Mathematics 2007-05-23 I. Bajo , S. Benayadi , A. Medina

We study the relation between algebraic structures and Graph Theory. We have defined five different weighted digraphs associated to a finite dimensional algebra over a field in order to tackle important properties of the associated…

Combinatorics · Mathematics 2017-06-05 R. M. Aquino , L. M. Camacho , E. M. Cañete , C. Cavalgante , A. Márquez

In this paper we study subalgebras of complex finite dimensional evolution algebras. We obtain the classification of nilpotent evolution algebras whose any subalgebra is an evolution subalgebra with a basis which can be extended to a…

Rings and Algebras · Mathematics 2014-12-08 L. M. Camacho , A. Kh. Khudoyberdiyev , B. A. Omirov

Every finite dimensional real representation of a compact real semisimple Lie algebra determines a metric 2-step nilpotent Lie algebra and a corresponding simply connected metric 2-step nilpotent Lie group N. We study the differential…

Differential Geometry · Mathematics 2008-06-18 Patrick Eberlein

We discuss multi-graded nilpotent tuples of multi-graded vector spaces which are a generalization of graded nilpotent pairs. The multi-grading yields a natural notion of a shape of such tuple and our main interest is to answer the question…

Representation Theory · Mathematics 2018-12-05 Magdalena Boos

In this paper, the structure of all finite-dimensional nilpotent Lie algebras of class two with derived subalgebra of dimension two over an arbitrary field $ \mathbb{F} $ is determined. Furthermore, we give the structure of the Schur…

Rings and Algebras · Mathematics 2021-05-21 F. Johari , A. Shamsaki , P. Niroomand

We develop a general theory of $W$-algebras in the context of supersymmetric vertex algebras. We describe the structure of $W$-algebras associated with odd nilpotent elements of Lie superalgebras in terms of their free generating sets. As…

Mathematical Physics · Physics 2021-09-07 Alexander Molev , Eric Ragoucy , Uhi Rinn Suh

We give a classification of minimal algebras generated in degree 1, defined over any field $\bk$ of characteristic different from 2, up to dimension 6. This recovers the classification of nilpotent Lie algebras over $\bk$ up to dimension 6.…

Algebraic Topology · Mathematics 2010-09-21 Giovanni Bazzoni , Vicente Muñoz

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 article, we define the capable pairs of Lie superalgebras. We classify all capable pairs of abelian and Heisenberg Lie superalgebras. After that we discuss on pairs of Lie superalgebras with derived subalgebra of dimension one and a…

Rings and Algebras · Mathematics 2022-07-26 Ibrahem Yakzan Hasan , Rudra Narayan Padhan , Manjula Das

In this paper, we investigate nilpotent Lie algebras $ L $ of nilpotency class $3 $ and provide a complete classification of those satisfying $ \dim L^2 = 3 $ and $Z(L) = L^3 \cong A(2). $ Furthermore, we explicitly characterize the…

Group Theory · Mathematics 2025-11-25 Saboura Yousefi , Azam Kaheni , Farangis Johari

We adopt the $p$-group generation algorithm to classify small-dimensional nilpotent Lie algebras over small fields. Using an implementation of this algorithm, we list the nilpotent Lie algebras of dimension at most~9 over $\F_2$ and those…

Rings and Algebras · Mathematics 2016-09-07 Csaba Schneider

In this paper we classify the isomorphism classes of four dimensional nilpotent associative algebras over a field F, studying regular subgroups of the affine group AGL_4(F). In particular we provide explicit representatives for such classes…

Group Theory · Mathematics 2017-02-17 Marco Antonio Pellegrini
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