46 resultados para Oscillation, functional ordinary differential equation
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2000 Mathematics Subject Classification: Primary 26A33; Secondary 35S10, 86A05
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2000 Mathematics Subject Classification: 26A33, 33C45
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Mathematics Subject Classification: 26A33, 30B10, 33B15, 44A10, 47N70, 94C05
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Mathematics Subject Classification 2010: 26A33, 33E12.
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2010 Mathematics Subject Classification: 35Q15, 31A25, 37K10, 35Q58.
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2002 Mathematics Subject Classification: 65C05.
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2000 Mathematics Subject Classification: 60J80, 60J85
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2000 Mathematics Subject Classification: 45G15, 26A33, 32A55, 46E15.
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MSC 2010: 35R11, 44A10, 44A20, 26A33, 33C45
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2000 Mathematics Subject Classification: 65M06, 65M12.
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2000 Mathematics Subject Classification: 65M06, 65M12.
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We solve the functional equation f(x^m + y) = f(x)^m + f(y) in the realm of polynomials with integer coefficients.
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We study, in Carathéodory assumptions, existence, continuation and continuous dependence of extremal solutions for an abstract and rather general class of hereditary differential equations. By some examples we prove that, unlike the nonfunctional case, solved Cauchy problems for hereditary differential equations may not have local extremal solutions.
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We consider the existence and uniqueness problem for partial differential-functional equations of the first order with the initial condition for which the right-hand side depends on the derivative of unknown function with deviating argument.
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In this paper we present a spectral criterion for existence of mean-periodic solutions of retarded functional differential equations with a time-independent main part.