English
Related papers

Related papers: The algebraic and geometric classification of nilp…

200 papers

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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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.

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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)…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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.

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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,…

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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.

Rings and Algebras · Mathematics 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…

Rings and Algebras · Mathematics 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.

Rings and Algebras · Mathematics 2025-10-09 Kobiljon Abdurasulov , Roman Lubkov , Azamat Saydaliyev
‹ Prev 1 2 3 10 Next ›