We shall consider a discrete time version of Vasicek (1977) model with continuous state space. Unlike traditional approaches, we regard that continuous time and states models are approximation to the ...

This paper examines the consequences of alternative formalizations of dynamic models. All dynamic models analyze change over time. But the change can either be assumed to occur continuously--and hence ...

Physicists have shown that Markov processes, widely used to model complex systems, must unfold over a larger space than previously assumed. Scientists believe that time is continuous, not discrete -- ...

Article: Mills, N.J., Getz, W.M. "Modelling the biological control of insect pests: a review of host-parasitoid models." Ecological Modelling, 92:121-143, 1996. Unless specified, all information comes ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Throughout the history of science, one of the prime goals of making ...