Gherbi, NerdjesHellal, Meryem2024-12-102024-12-102023http://dspace.univ-temouchent.edu.dz/handle/123456789/5846In this memory we will approach some notions of dynamic system and we will be interested in the chemostat, a device for the controlled continuous culture of micro-organisms. We will also develop biological mathematical models relating to the simple chemostat model and the competition model.frLa modélisation mathématiques dans un ChémostatThesis