[PDF] Top 20 Un análisis desagregado de la evolución reciente del crédito empresarial

... global stability analysis of the disease-free equilibrium for deterministic model ...the stochastic system (2) has a unique global positive solution and we give a sufficient condition for the ... See full document

... a stochastic SIS epidemic model with constant population size where the authors not only established threshold value conditions, ...a stochastic SIS epidemic model ... See full document

... the model such as a limit cycle, two limit cycles and homoclimic loop ...an SIS epidemic model with the incidence rate of the form BSI ( 1 + α I k − 1 ) where β > 0, α ≥ 0 and ... See full document

... tion model, many stochastic biological systems and stochastic epidemic models have been presented and studied [14] ...deterministic model by Gaussian white noise. As an expansion of ... See full document

... the epidemic of infectious diseases such as smallpox, cholera, AIDS and so on have brought great disaster to the national economy of a country and people’s livelihood ...mathematical model describing the ... See full document

... of stochastic environment noise on infection rate, a stochastic SIS epidemic model with nonlinear incidence rate is proposed and ...the stability of ... See full document

... libria is given. In Section 3, we prove the global stability of the disease-free equilibrium. Section 4 is devoted to the stability analysis of the endemic equilibria of the model. In Sec- ... See full document

... recruitment rate of the population, μ is the natural death rate, while d is the death rate due to disease and r is the recovery rate of the infective ...The incidence rate of ... See full document

... SIR epidemic model with general incidence f ...general incidence function f must satisfy certain assumptions, under which, we establish the global stability of endemic equilibrium when ... See full document

... The whole population N t ( ) is divided into four subclasses based on disease status: the susceptible population, the exposed population, the infected popula- tion and removed population, denoted by S t ( ) ( ) ( ) ( ) , ... See full document

... Jing Fu et al. introduced stochasticity into a multigroup SIS model in []. They presented the sufficient condition for the exponential extinction of the disease and proved that the noises significantly raise ... See full document

... a stochastic SIS model ...this SIS model has a unique global positive solution and establish conditions for the extinction and persistence of the ... See full document

... many epidemic models have been proposed and analyzed in recent years (see ...into SIS model to extend the ...an SIS model with bilinear incidence rate βSI and ...The ... See full document

... the epidemic disease, the lower the spreading speed; on the other hand, when is larger than a certain threshold, the speed of the propagation decreases based on the feedback, which is consistent with the actual ... See full document

... Abstract—This paper deals with stability properties of the discrete numerical scheme for the SIS epidemic model with maturation delay. We provide the suffi- cient conditions of the numerical ... See full document

... This paper discusses an epidemic SIS model with time delays. The oscillatory behavior of the solutions about the equilibrium point is studied. Two sufficient conditions are provided to guarantee the ... See full document

... a stochastic susceptible-infected epidemic model with Logistic growth are investigated in this ...the stochastic model admits a nonnegative solution by using the Lyapunov function ... See full document

... mathematical model with a nonlinear ...Their model does not take into account the vaccination, which plays a critical role in the control of the disease ...mathematical model to study the ... See full document

... of stochastic term into deterministic models witch do incorporate the effect of fluctuat- ing ...formulate stochastic differential equation (SDE) there is many approach, ...exponential stability of ... See full document

... Obviously, Theorem 1.1 supplements the result in [1]. From the epidemiological point of view, Theorem 1.1 together with the result in [3] determines whether the disease modelled by (1.1) can transmit and how fast it ... See full document