DESCRIPTION OF THE NUMERICAL RANGE OF A FRIEDRICHS MODEL WITH RANK TWO PERTURBATION
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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.
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How to Cite
Rasulov, T., & Bahronov, B. (2019). DESCRIPTION OF THE NUMERICAL RANGE OF A FRIEDRICHS MODEL WITH RANK TWO PERTURBATION. Journal of Global Research in Mathematical Archives(JGRMA), 6(9), 15–17. Retrieved from https://jgrma.com/index.php/jgrma/article/view/542
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Research Paper