 PDF(445 KB)
						
							PDF(445 KB) 
						
						
					 
			Self-adjoint Perturbations of Left (right) Essential Spectrum for Upper Triangular Operator Matrices
Xiu Feng WU, Jun Jie HUANG, Alatancang
Acta Mathematica Sinica, Chinese Series ›› 2022, Vol. 65 ›› Issue (3) : 423-434.
 PDF(445 KB)
						
							PDF(445 KB) 
						
						
					 PDF(445 KB)
						
							PDF(445 KB) 
						
						
					Self-adjoint Perturbations of Left (right) Essential Spectrum for Upper Triangular Operator Matrices
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