On a class of fourth order linear recurrence equations.
Sturmian theorems for components of coupled elliptic systems
Stability of a time discrete perturbed dynamical systems with delay.
An oscillation theorem for higher order nonhomogeneous superlinear differential equations.
Oscillation of second-order half-linear differential equations with dampling.
Existence of positive periodic solutions for non-autonomous functional differential equations.
Monotone solutions of a higher-order neutral difference equation.
Exact region of stability for an investment plan with three parameters.
Exact stability regions for linear difference equations with three parameters.
Existence and uniqueness of periodic solutions of mixed monotone functional differential equations.
Doubly periodic traveling waves in a cellular neural network with linear reaction.
Existence and uniqueness of periodic solutions for a second-order nonlinear differential equation with piecewise constant argument.
Alternate derivations of the stability region of a difference equation with two delays.
Solution estimates for semilinear difference-delay equations with continuous time.
Positive solutions of a neutral difference equation with positive and negative coefficients.
Positive periodic solutions for nonlinear difference equations via a continuation theorem.
Asymptotic behavior of the solutions of a discrete reaction-diffusion equation.
Positive and bounded solutions of discrete reaction-diffusion equations.
Positive periodic solutions of nonautonomous functional differential equations depending on a parameter.
Variational oscillation criteria for nonlinear nonhomogeneous differential equations.
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