902 resultados para Differential Equations of Fractional Orders
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MSC 2010: 26A33, 34A37, 34K37, 34K40, 35R11
Well-Posedness of the Cauchy Problem for Inhomogeneous Time-Fractional Pseudo-Differential Equations
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Mathematics Subject Classification: 26A33, 45K05, 35A05, 35S10, 35S15, 33E12
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2000 Mathematics Subject Classification: 45G15, 26A33, 32A55, 46E15.
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MSC 2010: 34A08, 34A37, 49N70
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In this article, we give sufficient condition in the form of integral inequalities to establish the oscillatory nature of non linear homogeneous differential equations of the form where r, q, p, f and g are given data. We do this by separating the two cases f is monotonous and non monotonous.
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The application of fractional-order PID controllers is now an active field of research. This article investigates the effect of fractional (derivative and integral) orders upon system's performance in the velocity control of a servo system. The servo system consists of a digital servomechanism and an open-architecture software environment for real-time control experiments using MATLAB/Simulink tools. Experimental responses are presented and analyzed, showing the effectiveness of fractional controllers. Comparison with classical PID controllers is also investigated.
Regular singular points of a system of homogeneous linear differential equations of the first order.
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"From Proceedings of the American Academy of Arts and Sciences, v.38, no. 9, Oct. 1902."
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Mode of access: Internet.
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2000 Mathematics Subject Classification: 34C10, 34C15.
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MSC 2010: 26A33, 44A45, 44A40, 65J10
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MSC 2010: 34A08 (main), 34G20, 80A25
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We present a sufficient condition for a zero of a function that arises typically as the characteristic equation of a linear functional differential equations of neutral type, to be simple and dominant. This knowledge is useful in order to derive the asymptotic behaviour of solutions of such equations. A simple characteristic equation, arisen from the study of delay equations with small delay, is analyzed in greater detail. (C) 2009 Elsevier Inc. All rights reserved.
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Mathematics Subject Classification: 26A33; 70H03, 70H25, 70S05; 49S05
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Sufficient conditions for the existence of Lp(k)-solutions of linear nonhomogeneous impulsive differential equations with unbounded linear operator are found. An example of the theory of the linear nonhomogeneous partial impulsive differential equations of parabolic type is given.