Poisson approximation 6 Poisson distribution 6 Approximation theory 4 Computer simulation 4 Stochastic population dynamics 4 Diffusion 2 Diffusion approximation 2 Diffusion approximations 2 Dynamics 2 Epidemiology 2 Feller process 2 Finite size systems 2 Integration 2 Langevin 2 Langevin approach 2 Langevin process 2 Markov processes 2 Monte Carlo methods 2 Ordinary differential equations 2 Poisson Distribution 2 Poisson approximations 2 Population Dynamics 2 Population dynamics 2 Random processes 2 SDE 2 Statistical mechanics 2 Statistical tests 2 Stochastic Processes 2 Stochastic evolution process 2 Theorem proving 2