English

On Simultaneous Triangularization of Matrices and Quasinilpotency of Commutator of Compact Operators

Functional Analysis 2024-01-31 v1

Abstract

In this paper we determine a sufficient condition for the quasinilpotency of a commutator of compact operators via block-tridiagonal matrix form associated with a compact operator. We also prove that every compact operator is unitarily equivalent to the sum of a compact quasinilpotent operator and a triangularizable compact operator.

Keywords

Cite

@article{arxiv.2401.16916,
  title  = {On Simultaneous Triangularization of Matrices and Quasinilpotency of Commutator of Compact Operators},
  author = {Sasmita Patnaik and Rahul Sethi},
  journal= {arXiv preprint arXiv:2401.16916},
  year   = {2024}
}

Comments

10 pages