Korean J. Math. Vol. 27 No. 2 (2019) pp.515-523
DOI: https://doi.org/10.11568/kjm.2019.27.2.515

Solvability of Sylvester operator equation with bounded subnormal operators in Hilbert spaces

Main Article Content

Hariz Bekkar Lourabi
Mansour Abdelouahab

Abstract

The aim of this paper is to present some necessary and sufficient conditions for existence of solution of Sylvester operator equation involving bounded subnormal operators in a Hilbert space. Our results improve and generalize some results in the literature involving normal operators.


Article Details

Supporting Agencies

Laboratory of operator theory Algeria.

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