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Positive solutions to a singular Neumann problem
(Academic Press Inc Elsevier ScienceSan DiegoEUA, 2009)
Periodic Solutions of Angiogenesis Models with Time Lags
(Elsevier, 2012-01)
To enrich the dynamics of mathematical models of angiogenesis, all mechanisms involved are time-dependent. We also assume that the tumor cells enter the mechanisms of angiogenic stimulation and inhibition with some delays. ...
Existence of omega-periodic solutions for a delayed chemostat with periodic inputs
(Elsevier, 2020)
This paper proposes an omega-periodic version of the Ellermeyer model of delayed chemostat. We obtain a sufficient condition ensuring the existence of a positive omega-periodic solution. Our proof is based on the application ...
Dynamics of a chemostat with periodic nutrient supply and delay in the growth
(IOP Publishing, 2020)
This paper introduces a new consideration in the well known chemostat model of a one-species with a periodic input of single nutrient with period omega, which is described by a system of differential delay equations. The ...
Boundary concentration phenomena for a singularly perturbed elliptic problem
(John Wiley & Sons IncHobokenEUA, 2002)
On retarded differential equations with impulses
(Springer, 2001-01-01)
We are concerned with the effect of impulses in retarded functional differential equations. By using fixed point techniques we prove the existence of periodic solutions of some impulsive equations. For a system of retarded ...
On retarded differential equations with impulses
(Springer, 2001-01-01)
We are concerned with the effect of impulses in retarded functional differential equations. By using fixed point techniques we prove the existence of periodic solutions of some impulsive equations. For a system of retarded ...
On the discretization and control of an SEIR epidemic model with a periodic impulsive vaccination
This paper deals with the discretization and control of an SEIR epidemic model. Such a model
describes the transmission of an infectious disease among a time-varying host population. The model
assumes mortality from ...
On retarded differential equations with impulses
(Springer, 2014)
(ω, c) -Pseudo periodic functions, first order Cauchy problem and Lasota–Wazewska model with ergodic and unbounded oscillating production of red cells
(Springer International Publishing, 2019)
In this paper we study a new class of functions, which we call (ω, c) -pseudo periodic functions. This collection includes pseudo periodic, pseudo anti-periodic, pseudo Bloch-periodic, and unbounded functions. We prove ...