Nonlinear functional integrodifferential equations in Hilbert space.
Park, J.Y., Lee, S.Y., Lee, M.J. (1999)
International Journal of Mathematics and Mathematical Sciences
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Park, J.Y., Lee, S.Y., Lee, M.J. (1999)
International Journal of Mathematics and Mathematical Sciences
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Huseyin Bereketoglu, Aydin Huseynov (2006)
Czechoslovak Mathematical Journal
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In this paper we study nonlinear second order differential equations subject to separated linear boundary conditions and to linear impulse conditions. Sign properties of an associated Green’s function are investigated and existence results for positive solutions of the nonlinear boundary value problem with impulse are established. Upper and lower bounds for positive solutions are also given.
Al-Khaled, Kamel (2001)
International Journal of Mathematics and Mathematical Sciences
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Cantarelli, Giancarlo (1999)
International Journal of Mathematics and Mathematical Sciences
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Park, Jong Yeoul, Bae, Jeong Ja (2000)
International Journal of Mathematics and Mathematical Sciences
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Aizicovici, Sergiu, McKibben, Mark (1999)
Abstract and Applied Analysis
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Stanisław Szufla (2006)
Mathematica Bohemica
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We give sufficient conditions for the existence of at least one integrable solution of equation . Our assumptions and proofs are expressed in terms of measures of noncompactness.