On Orthogonal Series Solution For Boundary Layer Problems
Nevenka Adžić (1991)
Publications de l'Institut Mathématique
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Nevenka Adžić (1991)
Publications de l'Institut Mathématique
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Adžić, Nevenka Z. (1993)
Publications de l'Institut Mathématique. Nouvelle Série
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Adžić, Nevenka (1998)
Novi Sad Journal of Mathematics
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Veli B. Shakhmurov (2015)
Open Mathematics
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The nonlocal boundary value problems for linear and nonlinear degenerate abstract differential equations of arbitrary order are studied. The equations have the variable coefficients and small parameters in principal part. The separability properties for linear problem, sharp coercive estimates for resolvent, discreetness of spectrum and completeness of root elements of the corresponding differential operator are obtained. Moreover, optimal regularity properties for nonlinear problem...
Ma, Ruyun (2007)
Applied Mathematics E-Notes [electronic only]
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P. Ch. Tsamatos (2004)
Annales Polonici Mathematici
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We study a nonlocal boundary value problem for the equation x''(t) + f(t,x(t),x'(t)) = 0, t ∈ [0,1]. By applying fixed point theorems on appropriate cones, we prove that this boundary value problem admits positive solutions with slope in a given annulus. It is remarkable that we do not assume f≥0. Here the sign of the function f may change.
Henderson, Johnny (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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M. Greguš (1974)
Annales Polonici Mathematici
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Maroun, Mariette (2007)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Adžić, Nevenka (1998)
Novi Sad Journal of Mathematics
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Henderson, Johnny, Ma, Ding (2006)
Boundary Value Problems [electronic only]
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Xi, Shouliang, Jia, Mei, Ji, Huipeng (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Józef Wenety Myjak (1973)
Annales Polonici Mathematici
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A. Lasota (1975)
Annales Polonici Mathematici
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