DESCRIPTION OF THE NUMERICAL RANGE OF A FRIEDRICHS MODEL WITH RANK TWO PERTURBATION

Tulkin Rasulov, Bekzod Bahronov

Abstract


In the paper we consider a Friedrichs model A with rank two perturbations. It is associated with a system of two quantum particles on three-dimensional lattice. We establish the connection between the spectrum and numerical range of A.

Full Text:

PDF

Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

CC BY-SA

Free Web Counter