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The Spectral Property $\sigma\big(\textrm{Re}\,(T)\big)=\textrm{Re}\,\big(\sigma(T)\big)$ of $p$-hyponormal Operators

Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics / Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics, (P)1226-0657; (E)2287-6081
2005, v.12 no.3, pp.161-167
Lee, Jun-Ik

Abstract

In this note we consider the projective property <TEX>$\sigma(Re(T))\;=\;Re\;(\sigma$(T))$</TEX> of p-hyponormal operators and log-hyponormal operators.

keywords
p-hyponormal operators, log-hyponormal operators

Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics