On the differential operators with periodic matrix coefficients.
Veliev, O.A. (2009)
Abstract and Applied Analysis
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Veliev, O.A. (2009)
Abstract and Applied Analysis
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Veliev, O.A. (2008)
Boundary Value Problems [electronic only]
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Nazim Kerimov, Ufuk Kaya (2013)
Open Mathematics
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In this paper we consider the problem where λ is a spectral parameter; p j (x) ∈ L 1(0, 1), j = 0, 1, 2, are complex-valued functions; α s;l, s = 1, 2, 3, , are arbitrary complex constants; and σ = 0, 1. The boundary conditions of this problem are regular, but not strongly regular. Asymptotic formulae for eigenvalues and eigenfunctions of the considered boundary value problem are established in the case α 3,2 + α 1,0 ≠ α 2,1. It is proved that the system of root functions of this...
Kozlov, Vladimir (2006)
Abstract and Applied Analysis
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Cao, Xifang, Wu, Hongyou (2004)
International Journal of Mathematics and Mathematical Sciences
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Khelifi, Abdessatar (2005)
International Journal of Mathematics and Mathematical Sciences
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Eberhard, W., Freiling, G., Schneider, A. (1992)
International Journal of Mathematics and Mathematical Sciences
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Jan Bochenek (1971)
Annales Polonici Mathematici
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Eastham, M.S.P., Kong, Q., Wu, H., Zettl, A. (1999)
Journal of Inequalities and Applications [electronic only]
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Zhidkov, P.E. (2000)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Nguyen Manh Hung, Hoang Viet Long, Nguyen Thi Kim Son (2013)
Applications of Mathematics
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In this paper, for the second initial boundary value problem for Schrödinger systems, we obtain a performance of generalized solutions in a neighborhood of conical points on the boundary of the base of infinite cylinders. The main result are asymptotic formulas for generalized solutions in case the associated spectrum problem has more than one eigenvalue in the strip considered.