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math.DS2025
Periodic patterns in simple biological differential delay models
A. Ivanov, S. Shelyag
Periodic patterns in dynamical behaviours of biological models described by simple form differential delay equations are studied. Mathematical models are given by a class of scalar…
math.DS2024
Periodic Solutions in a Simple Delay Differential Equation
Anatoli Ivanov, Sergiy Shelyag
Simple form scalar differential equation with delay and nonlinear negative periodic feedback is considered. The existence of several types of slowly oscillating periodic solutions…