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相关论文: The algebraic and geometric classification of nilp…

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We present algebraic and geometric classifications of the $4$-dimensional complex nilpotent right alternative algebras. Specifically, we find that, up to isomorphism, there are only $9$ non-isomorphic nontrivial nilpotent right alternative…

环与代数 · 数学 2021-11-02 Nurlan Ismailov , Ivan Kaygorodov , Manat Mustafa

The paper is devoted to classify nilpotent Jordan algebras of dimension up to five over an algebraically closed field of characteristic not 2. We obtained a list of 35 isolated non-isomorphic 5-dimensional nilpotent non-associative Jordan…

环与代数 · 数学 2016-01-21 A. S. Hegazi , Hani Abdelwahab

We give algebraic and geometric classifications of $6$-dimensional complex nilpotent anticommutative algebras. Specifically, we find that, up to isomorphism, there are $14$ one-parameter families of $6$-dimensional nilpotent anticommutative…

环与代数 · 数学 2020-04-03 Ivan Kaygorodov , Mykola Khrypchenko , Samuel A. Lopes

In this paper, we classify four-dimensional Jordan algebras over an algebraically closed field of characteristic different of two. We establish the list of 73 non-isomorphic Jordan algebras.

环与代数 · 数学 2016-02-22 María Eugenia Martin

We give a geometric classification of complex $4$-dimensional nilpotent $\mathfrak{CD}$-algebras. The corresponding geometric variety has dimension 18 and decomposes into $2$ irreducible components determined by the Zariski closures of a…

环与代数 · 数学 2020-07-06 Ivan Kaygorodov , Mykola Khrypchenko

The variety $JorN_{5}$ of five-dimensional nilpotent Jordan algebras structures over an algebraically closed field is investigated. We show that $JorN_{5}$ is the union of five irreducible components, four of them correspond to the Zariski…

环与代数 · 数学 2016-09-20 Maria Eugenia Martin , Iryna Kashuba

In this paper, we develop a method to obtain the algebraic classification of noncommutative Jordan algebras from the classification of Jordan algebras of the same dimension. We use this method to obtain the algebraic classification of…

环与代数 · 数学 2025-01-10 Hani Abdelwahab , Kobiljon Abdurasulov , Ivan Kaygorodov

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)…

环与代数 · 数学 2021-11-02 Ivan Kaygorodov , Mykola Khrypchenko , Yury Popov

In this paper, we study the variety $Jor_{3}$ of three-dimensional Jordan algebras over the field of real numbers. We establish the list of $26$ non-isomorphic Jordan algebras and describe the irreducible components of $Jor_{3}$ proving…

环与代数 · 数学 2014-04-22 Iryna Kashuba , María Eugenia Martin

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…

环与代数 · 数学 2022-04-04 Doston Jumaniyozov , Ivan Kaygorodov , Abror Khudoyberdiyev

This paper is devoted to the complete algebraic and geometric classification of complex $4$-dimensional nilpotent left-symmetric algebras. The corresponding geometric variety has dimension $15$ and decomposes into $3$ irreducible components…

环与代数 · 数学 2021-06-02 Jobir Adashev , Ivan Kaygorodov , Abror Khudoyberdiyev , Aloberdi Sattarov

An algebraic classification of complex $5$-dimensional nilpotent commutative $\mathfrak{CD}$-algebras is given. This classification is based on an algebraic classification of complex $5$-dimensional nilpotent Jordan algebras.

环与代数 · 数学 2021-09-02 Doston Jumaniyozov , Ivan Kaygorodov , Abror Khudoyberdiyev

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…

环与代数 · 数学 2017-02-13 J. M. Ancochea Bermudez , J. Fresan , Juan Margalef-Bentabol

We study finite-dimensional commutative algebras, which satisfy the Jacobi identity. Such algebras are Jordan algebras. We describe some of their properties and give a classification in dimensions $n<7$ over algebraically closed fields of…

环与代数 · 数学 2014-07-25 Dietrich Burde , Alice Fialowski

We give a computional method to construct and classify nilpotent Jordan algebras over any arbitrary fields by the second cohomolgy of nilpotent Jordan algebras of low dimension "analogue of Skjelbred-Sund method", we see that every…

环与代数 · 数学 2013-05-15 A. S. Hegazi , H. Abdelwahab

The algebraic and geometric classifications of complex $3$-dimensional noncommutative Jordan superalgebras are given. In particular, we obtain the algebraic and geometric classification of $3$-dimensional Kokoris and standard superalgebras,…

环与代数 · 数学 2026-02-17 Hani Abdelwahab , Ivan Kaygorodov , Abror Khudoyberdiyev

We give a geometric classification of complex $n$-dimensional $2$-step nilpotent (all, commutative and anticommutative) algebras. Namely, has been found the number of irreducible components and their dimensions. As a corollary, we have a…

环与代数 · 数学 2021-11-02 Mikhail Ignatyev , Ivan Kaygorodov , Yury Popov

We give the complete algebraic classification of all complex 4-dimensional nilpotent algebras. The final list has 234 (parametric families of) isomorphism classes of algebras, 66 of which are new in the literature.

环与代数 · 数学 2021-11-02 Ivan Kaygorodov , Mykola Khrypchenko , Samuel A. Lopes

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…

环与代数 · 数学 2023-06-02 Ivan Kaygorodov , Mykola Khrypchenko , Samuel A. Lopes

We give the algebraic and geometric classification of complex four-dimensional Jordan superalgebras. In particular, we describe all irreducible components in the corresponding varieties.

环与代数 · 数学 2025-10-09 Kobiljon Abdurasulov , Roman Lubkov , Azamat Saydaliyev
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