Characteristic Numbers of Upper Triangular One-Band Block Operator Matrices

References (16)

1. Akhmedov, A. M., El-Shabrawy, S. R., On the Spectrum of the Generalized Lower Triangle Double-Band Matrices, Lviv, (2010), 17-21
2. Akhmedov, A. M., El-Shabrawy, S. R., Notes on the Spectrum of Lower Triangular Double-Band Matrices, Thai Journal of Mathematics, 10(2012), 415-421
3. Baliarsingh, P., Dutta, S., On a Spectral Classification of the operator ∆r v Over the Sequence Space c0, Proc. Math. Acad. Sci. India, Sect. A Phys., 84, 4(2014), 555-561
4. Başar, F., Karaisa, A., Spectrum and Fine Spectrum of the Generalized Difference Operator Defined by Double Sequential Upper Band Matrix Over the Sequence Spaces lp, (1 [5] Bottcher, A., Silbermann, B., Analysis of Teoplitz Operators, Berlin, Springer-Verlag, 1990
5. Bottcher, A., Grudsky, S., Toeplitz Matrices, Asymptotic Linear Algebra anf Functional Analysis, Berlin, Springer-Verlag, 1991
6. Dunford, N., Schwartz, J. T., Linear Operators I, II, Second ed., Interscience, New York, 1958; 1963
7. El-Shabrawy, S. R., Spectra and Fine Spectra of Certain Lower Triangular Double-Band Matrices as Operator on c0, Journal of Inequalities and Applications, 241, 1(2014), 2-9
8. Gohberg, I., Goldberg, S., Kaashock, M. A., Basic Classes of Linear Operators, Springer, 1990
9. Ismailov, Z. I., Otkun Çevik, E., Unluyol, E., Compact Inverses of Multipoint Normal Differential Operators for First Order, Electronic Journal of Differential Equations, 89(2011), 1-11
10. Jeribi, A., Spectral Theory and Applications of Linear Operators and Block Operator Matrices, Springer, 2015
11. Karakaya, V., Dzh. Manafov, M., S¸ims¸ek, N., On the Fine Spectrum of the Second Order Difference Operator Over the Sequence Spaces lp and bvp, (1 [13] Kochubei, A. N., Symmetric Operators and Nonclassical Spectral Problems, Mat. Zametki, 25, 3(1979), 425-434
12. Langer, M., Strauss, M., Spectral Properties of Unbounded j−Self Adjoint Block Operator Matrices, arXiv:1410.1213 [math.SP], 1-37
13. Nagel, R., The Spectrum of Unbounded Operator Matrices with Non-Diagonal Domain, Journal of Functional Analysis, 89(1990), 291-302
14. Otkun C¸ evik, E., Ismailov, Z. I., Spectrum of the Direct Sum of Operators, Electronic Journal of Differential Equations, 210(2012), 1-8
15. Tretter, Ch., Spectral Theory of Block Operator Matrices and Applications, Londan: Imperial CollegePress, 264p, 2008
16. Tripathy, B. C., Das, R., Spectrum and Fine Spectrum of the Lower Triangular Matrix B(r, o, s) Over the Sequences Spaces,