English

n-torsion clean and almost n-torsion clean matrix rings

Rings and Algebras 2019-12-04 v1

Abstract

We completely determine those natural numbers nn for which the full matrix ring Mn(F2)M_n(F_2) and the triangular matrix ring Tn(F2)T_n(F_2) over the two elements field F2F_2 are either n-torsion clean or are almost n-torsion clean, respectively. These results somewhat address and settle a question, recently posed by Danchev-Matczuk in Contemp. Math. (2019) as well as they supply in a more precise aspect the nil-cleanness property of the full matrix n×nn\times n ring Mn(F2)M_n(F_2) for all naturals n1n \geq 1, established in Linear Algebra and Appl. (2013) by Breaz-Calugareanu-Danchev-Micu and again in Linear Algebra & Appl. (2018) by Ster as well as in Indag. Math. (2020) by Shitov.

Keywords

Cite

@article{arxiv.1912.01104,
  title  = {n-torsion clean and almost n-torsion clean matrix rings},
  author = {Andrada Cimpean and Peter Danchev},
  journal= {arXiv preprint arXiv:1912.01104},
  year   = {2019}
}

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15 pages