The Spectrum and Trace Formula for Bounded Perturbations of Differential Operators
- Authors: Sadovnichy V.A.1, Fazullin Z.Y.2, Nugaeva I.G.2
 - 
							Affiliations: 
							
- Faculty of Mechanics and Mathematics
 - Bashkir State University
 
 - Issue: Vol 98, No 3 (2018)
 - Pages: 552-554
 - Section: Mathematics
 - URL: https://journals.rcsi.science/1064-5624/article/view/225579
 - DOI: https://doi.org/10.1134/S1064562418070050
 - ID: 225579
 
Cite item
Abstract
Spectrum properties and a method for deriving a regularized trace formula for perturbations of operators with discrete spectra in a separable Hilbert space are studied. A trace formula for a local perturbation of a two-dimensional harmonic oscillator in a strip is obtained based on this method.
About the authors
V. A. Sadovnichy
Faculty of Mechanics and Mathematics
							Author for correspondence.
							Email: info@rector.msu.ru
				                					                																			                												                	Russian Federation, 							Moscow, 119991						
Z. Yu. Fazullin
Bashkir State University
														Email: info@rector.msu.ru
				                					                																			                												                	Russian Federation, 							Ufa, 450076 Bashkortostan						
I. G. Nugaeva
Bashkir State University
														Email: info@rector.msu.ru
				                					                																			                												                	Russian Federation, 							Ufa, 450076 Bashkortostan						
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