GRAFOS ALEATORIOS RANDOM GRAPHS PROCESOS ESTOCASTICOS STOCHASTIC PROCESSES AGENT MODELS CONFIGURATION MODEL CONTROL OPTIMO DIFFERENTIAL EQUATIONS ECUACIONES DIFERENCIALES Fleming-Viot processes LIMITE DE ESCALA LIMITES DE ESCALA MARKOVIAN PROCESSES MODELOS AGENTES OPTIMAL CONTROL OPTIMIZACION PROCESOS MARKOVIANOS Quasi-stationary distributions SCALE LIMIT SCALING LIMITS Allocation function Bandwidth Bandwidth-sharing networks Birth and death process Birth-and-death process Deterministic dynamical systems Dynamical systems Fluid limit Fluid limits Galton-Watson processes