English

Two-dimensional left (right) unital algebras over algebraically closed fields and $\mathbb{R}$

Rings and Algebras 2018-12-04 v3

Abstract

In this paper we describe all, up to isomorphism, left unital, right unital and unital algebra structures on two-dimensional vector space over any algebraically closed field and R\mathbb{R}. We tabulate the algebras with the units.

Keywords

Cite

@article{arxiv.1712.06731,
  title  = {Two-dimensional left (right) unital algebras over algebraically closed fields and $\mathbb{R}$},
  author = {H. Ahmed and U. Bekbaev and I. Rakhimov},
  journal= {arXiv preprint arXiv:1712.06731},
  year   = {2018}
}

Comments

A type-mistake in $A_{3,2}(\mathbf{c})$ case, page 3, and its consequences are corrected

R2 v1 2026-06-22T23:22:27.197Z