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On Proper Oscillatory and Vanishing at Infinity Solutions of Differential Equations with A Deviating Argument

  • I. Kiguradze and D. Chichua
Published/Copyright: February 23, 2010
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Georgian Mathematical Journal
From the journal Volume 2 Issue 4

Abstract

Sufficient conditions are found for the existence of multiparametrical families of proper oscillatory and vanishing-at-infinity solutions of the differential equation

u(n) (t) = g(t, u(τ0 (t)); . . ., u(m–1) (τm–1(t))),

where n ≥ 4, m is the integer part of , g : R+ × RmR is a function satisfying the local Carathéodory conditions, and τi : R+R (i = 0, . . . , m – 1) are measurable functions such that τ (t) → +∞ for t → + ∞ (i = 0, . . ., m – 1).

Received: 1993-12-08
Published Online: 2010-02-23
Published in Print: 1995-August

© 1995 Plenum Publishing Corporation

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