This is a preview. Log in through your library . Abstract We prove the existence and uniqueness of solutions of a class of second order differential equations with piecewise constant mixed arguments ...
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In this paper, we first gave the Green’s function of a sixth-order linear differential equation with variable coefficients, and then proved the existence of positive periodic solutions for a ...
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Abstract: For a second-order half-linear differential equation with a damping term, we establish new criteria for this equation to be nonoscillation and oscillation, respectively. Two examples are ...
In this paper, discrete comparison theorems of Sturm's type is developed for a pair of second order linear difference equations. In particular, we present here Sturm-Picone type and Leighton type ...
In this paper, we establish the second-order differential equation system with the feedback controls for solving the problem of convex programming. Using Lagrange function and projection operator, the ...