HARNACK parts of $\rho$-Contractions

Gilles Cassier, Mohammed Benharrat, Soumia Belmouhoub

The purpose of this paper is to describe the Harnack parts for the operators of class C $\rho$ ($\rho$ \textgreater{} 0) on Hilbert spaces which were introduced by B. Sz. Nagy and C. Foi…