PDF(371 KB)
Fredholm Perturbation of Spectra of 2 × 2-Upper Triangular Matrices
Shi Fang ZHANG, Huai Jie ZHONG, Jun De WU
Acta Mathematica Sinica, Chinese Series ›› 2011, Vol. 54 ›› Issue (4) : 581-590.
PDF(371 KB)
PDF(371 KB)
Fredholm Perturbation of Spectra of 2 × 2-Upper Triangular Matrices
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