A note on memoryless operators

A Note on *-paranormal Operators

✍ Young Min Han; An-Hyun Kim 📂 Article 📅 2004 🏛 SP Birkhäuser Verlag Basel 🌐 English ⚖ 169 KB

A note on Fredholm operators on

✍ Ivana Djolović; Eberhard Malkowsky 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 431 KB

We characterize the class ((c 0 ) T , (c 0 ) T ) where T = (t nk ) ∞ n,k=0 and T = (t nk ) ∞ n,k=0 are triangles. Using the Hausdorff measure of noncompactness, we define the class of compact operators given by matrices in ((c 0 ) T , (c 0 ) T ). Furthermore we give a sufficient condition for a matr

A note on compact Lamperti operators

✍ Karsten Jahn 📂 Article 📅 1989 🏛 SP Birkhäuser Verlag Basel 🌐 English ⚖ 175 KB

A Note on a Class of Operators

✍ S. M. Patel 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 313 KB 👁 1 views

## Abstract The aim of this note is to study the spectral properties of the LUECKE's class __R__ of operators __T__ such that ‖(__T – zI__)^−1^‖=1/__d__(__z, W__(__T__)) for all __z__∉__CLW__(__T__), where __CLW__(__T__) is the closure of the numerical range __W__(__T__) of __T__ and __d__(__z, W__

A note on commutators of Hardy operators

✍ Fayou Zhao 📂 Article 📅 2012 🏛 John Wiley and Sons 🌐 English ⚖ 126 KB 👁 1 views

## Abstract Fu and Lu et al. 7 showed that the commutator \documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}$\mathcal {H}\_{\beta ,b}$\end{document} generated by the fractional Hardy operator and a locally integrable function __b__ is bounded on the homogenous Herz spaces

A note on angular momentum projection op

A note on angular momentum projection operators

✍ J.O. Corbett 📂 Article 📅 1971 🏛 Elsevier Science 🌐 English ⚖ 156 KB