A Riesz-Fredholm type theorem on certain Hilbert C*-modules

Zahra Panahi, Kamran Sharifi

Let $C$ be compact modular operator on a Hilbert C*-module $E$ satisfying property $[\mathbb{H}]$ [{\it J. Math. Phys.} {\bf 49} (2008), 033519], and let $L:=I-C$. We prove the e…