Local generalized solutions of mixed problems for quasilinear hyperbolic systems of functional partial differential equations in two independent variables
Jan Turo (1989)
Annales Polonici Mathematici
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Jan Turo (1989)
Annales Polonici Mathematici
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Grigolia, M. (1999)
Memoirs on Differential Equations and Mathematical Physics
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László Simon (2014)
Banach Center Publications
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We consider second order semilinear hyperbolic functional differential equations where the lower order terms contain functional dependence on the unknown function. Existence and uniqueness of solutions for t ∈ (0,T), existence for t ∈ (0,∞) and some qualitative properties of the solutions in (0,∞) are shown.
Tomasz Człapiński (1997)
Annales Polonici Mathematici
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We seek for classical solutions to hyperbolic nonlinear partial differential-functional equations of the second order. We give two theorems on existence and uniqueness for problems with nonlocal conditions in bounded and unbounded domains.
Lažetić, Nebojša L. (1998)
Publications de l'Institut Mathématique. Nouvelle Série
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Balachandran, K., Park, J.Y. (2002)
Journal of Applied Mathematics and Stochastic Analysis
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Tomasz Człapiński (1999)
Czechoslovak Mathematical Journal
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We consider the mixed problem for the hyperbolic partial differential-functional equation of the first order where is a function defined by , . Using the method of bicharacteristics and the method of successive approximations for a certain integral-functional system we prove, under suitable assumptions, a theorem of the local existence of generalized solutions of this problem.
Jan Turo (1991)
Annales Polonici Mathematici
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Herbert Koch (1993)
Mathematische Zeitschrift
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Z. Kamont, J. Turo (1987)
Annales Polonici Mathematici
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Romanov, V. G. (2003)
Sibirskij Matematicheskij Zhurnal
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Elżbieta Puźniakowska-Gałuch (2014)
Annales Polonici Mathematici
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A generalized Cauchy problem for hyperbolic functional differential systems is considered. The initial problem is transformed into a system of functional integral equations. The existence of solutions of this system is proved by using the method of successive approximations. Differentiability of solutions with respect to initial functions is proved. It is important that functional differential systems considered in this paper do not satisfy the Volterra condition.
Vidar Thomée (1958)
Mathematica Scandinavica
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Khalifa, M.E. (1995)
International Journal of Mathematics and Mathematical Sciences
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