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math.DS2020
Periodic solutions for a nonautonomous mathematical model of hematopoietic stem cell dynamics
Mostafa Adimy, Pablo Amster, Julián Epstein
The main purpose of this paper is to study the existence of periodic solutions for a nonautonomous differential-difference system describing the dynamics of hematopoietic stem cell…
math.CA2020
Systems of functional-differential equations periodic solutions for systems of functional-differential semilinear equations at resonance
Pablo Amster, Julián Epstein, Arturo Sanjuán
Motivated by Lazer-Leach type results, we study the existence of periodic solutions for systems of functional-differential equations at resonance with an arbitrary even-dimensional…