Applied Mathematics
Vol.4 No.11A(2013), Paper ID 38843, 4 pages
DOI:10.4236/am.2013.411A1004
Spectra of 2 × 2 Upper-Triangular Operator Matrices
Haiyan Zhang
College of Mathematics and Information Science, Shangqiu Normal University, Shangqiu, China
Copyright © 2013 Haiyan Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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