Spectral continuity of k-th roots of hyponormal operators

Autor: Duggal, Bhagwati Prashad
Matična publikacija: Operators and matrices (2007)

Isolated eigenvalues, poles and compact perturbations of Banach space operators

Autor: Duggal, Bhagwati Prashad
Matična publikacija: Operators and matrices (2019)

Quasi-similar k-paranormal operators

Autor: Duggal, Bhagwati Prashad
Matična publikacija: Operators and matrices (2011)

A note on k-paranormal operators

Autor: Kubrusly, Carlos S.
Matična publikacija: Operators and matrices (2010)