Browsing by Author "70548e4e-9f7e-4238-938c-a75618ce7655"

Now showing items 1-5 of 5

    • A system dynamics model of the nutritional stages of the Colombian population 
      Meisel, José D.; Sarmiento, Olga; Olaya, Camilo; Valdivia Hepp, Juan; Zarama, Roberto (Emerald, 2016)
      Purpose - Overweight, obesity, and physical inactivity have in recent years become an important public health problem worldwide. Investigations that study obesity using a systemic approach in low- and middle-income countries ...
    • Benchmarking seeding strategies for spreading processes in social networks: an interplay between influencers, ... 
      Montes, Felipe; Jaramillo, Ana María; Meisel, José D.; Díaz Guilera, Albert; Valdivia Hepp, Juan; Sarmiento, Olga L.; Zarama, Roberto (Nature, 2020)
      The explosion of network science has permitted an understanding of how the structure of social networks affects the dynamics of social contagion. In community-based interventions with spill-over effects, identifying ...
    • Quantitative description of realistic wealth distributions by kinetic trading models 
      Lammoglia, Nelson; Muñoz, Víctor; Rogan Castillo, José; Toledo Cabrera, Benjamín; Zarama, Roberto; Valdivia Hepp, Juan (2008)
      Data on wealth distributions in trading markets show a power law behavior x- (1+α) at the high end, where, in general, α is greater than 1 (Pareto's law). Models based on kinetic theory, where a set of interacting agents ...
    • Rethinking research management in Colombia 
      Zarama, Roberto; Reyes, Alfonso; Aldana, Eduardo; Villalobos, Jorge; Bohorquez, Juan C.; Calderón, Juan P.; Botero, Alonso; Lammoglia, Nelson L.; Villaveces, José L.; Pinzón, Luis; Bonilla, Ricardo; Mejía, Andrés; Bermeo, José; Dyner, Isaac; Johnson, Neil F.; Valdivia, (Emerald Group Publishing Ltd., 2007)
      Purpose - This paper seeks to present a proposal to change the form in which knowledge is produced in Colombia. Design/methodology/approach - Discusses the key issue - to transform the way in which the production of knowledge ...
    • Towards a novel model for studying the nutritional stage dynamics of the Colombian population by age and ... 
      Meisel, Jose D.; Sarmiento, Olga L.; Olaya, Camilo; Lemoine, Pablo D.; Valdivia Hepp, Juan; Zarama, Roberto (Public Library Science, 2018)
      Low-and middle-income countries (LMICs) are experiencing a nutritional transition in which the burden of obesity tends to shift towards the lower-socioeconomic status (SES) group. We propose a system dynamics (SD) model ...