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In this paper, we investigaterelative essential spectra of $2\times2$ block operator matrix using the Fredholm perturbation theory. Furthermore, an example for two-group transport equations is presented to illustrate the validity of the main results.
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참고문헌 (26)
참고문헌 신청
F. V. Atkinson / 1994 / The essential spectrum of some matrix operators / Math. Nachr 167:5~20
A. Batkai / 2005 / Spectral problems for operator matrices / Math. Nachr 278(12-13):1408~1429
S. Charfi / 2009 / On a characterization of the essential spectra of some matrix operators and applications to two-group transport operators / Math. Z 262(4):775~794
S. Charfi / 2014 / Essential spectra of operator matrices and applica-tions / Math. Methods Appl. Sci 37(4):597~608
S. Charfi / 2010 / Essential spectra, matrix operator and applications / Acta Appl. Math 111(3):319~337
A. Batkai / 2005 / Spectral problems for operator matrices / Math. Nachr 278(12-13):1408~1429
S. Charfi / 2009 / On a characterization of the essential spectra of some matrix operators and applications to two-group transport operators / Math. Z 262(4):775~794
S. Charfi / 2014 / Essential spectra of operator matrices and applica-tions / Math. Methods Appl. Sci 37(4):597~608
S. Charfi / 2010 / Essential spectra, matrix operator and applications / Acta Appl. Math 111(3):319~337
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