• Portfolio Optimization Using Particle Swarms with Stripes 

      Villalobos Arias, Mario Alberto (2011-04-29)
      In this paper it is consider the Portfolio Optimization Problem developed by Markowitz [11]. The basic assumption is that the investor tries to maximize his/her profit and at the same time, wants to minimize the risk. This ...
    • Propiedades de un enfoque difuso para particionamiento con datos bimodales 

      Castillo Elizondo, William; Trejos Zelaya, Javier (2010-04-09)
          It is presented a new fuzzy partitioning criterion for two-mode data and an algo-rithm is formulated for its optmization. We study the convergence properties of themethod. The method was tested on real data. It is ...