• Controlling Cod in an UASB Reactor 

      Muñoz, Rafael; Angulo, Fabiola; Olivar, Gerard (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2007-07-16T10:47:09Z)
      Article
      Accés obert
    • Nonlinear dynamics and bifurcation analysis in two models of sustainable development 

      Angulo, Fabiola; Olivar, Gerard; Osorio A., Gustavo; Velásquez, Luz S. (UPC. Cátedra Unesco de Sostenibilidad, 2009-12)
      Article
      Accés obert
      We show in this document two mathematical models of development. Namely, we state two systems of nonlinear differential equations with state variables which regard to ecosystem, social and economic dimensions. We analyze ...