51 resultados para Partial Differential Equation
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Mathematics Subject Classification: 26A33, 45K05, 60J60, 60G50, 65N06, 80-99.
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2000 Mathematics Subject Classification: Primary 26A33; Secondary 35S10, 86A05
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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: 65M06, 65M12.
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2000 Mathematics Subject Classification: 65M06, 65M12.
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2000 Mathematics Subject Classification: 35A15, 44A15, 26A33
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MSC 2010: 26A33, 34A37, 34K37, 34K40, 35R11
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MSC 2010: 26A33, 35R11, 35R60, 35Q84, 60H10 Dedicated to 80-th anniversary of Professor Rudolf Gorenflo
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2010 Mathematics Subject Classification: 74J30, 34L30.
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2000 Mathematics Subject Classification: 35L05, 35P25, 47A40.
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Some oscillation criteria for solutions of a general perturbed second order ordinary differential equation with damping (r(t)x′ (t))′ + h(t)f (x)x′ (t) + ψ(t, x) = H(t, x(t), x′ (t)) with alternating coefficients are given. The results obtained improve and extend some existing results in the literature.
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Oscillation criteria are given for the second order sublinear non-autonomous differential equation. (r(t) (x)x′(t))′ + q(t)g(x(t)) = (t). These criteria extends and improves earlier oscillation criteria of Kamenev, Kura, Philos and Wong. Oscillation criteria are also given for second order sublinear damped non-autonomous differential equations.
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Mathematics Subject Classification: 35CXX, 26A33, 35S10
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Mathematics Subject Classification: 65C05, 60G50, 39A10, 92C37