Now showing items 1-2 of 2

    • Modeling colony collapse disorder in honeybees as a contagion 

      Kribs, Christopher David; Mitchell, Christopher (American Institute of Mathematical SciencesDepartment of Mathematics, University of Texas at Arlington, 2014-12)
      Honeybee pollination accounts annually for over $14 billion in United States agriculture alone. Within the past decade there has been a mysterious mass die-off of honeybees, an estimated 10 million beehives and sometimes ...
    • A simple vaccination model with multiple endemic states 

      Kribs, Christopher; Velasco-Hernandez, Jorge X. (ElsevierDepartment of Mathematics, University of Texas at Arlington, 2000)
      A simple two-dimensional SIS model with vaccination exhibits a backward bifurcation for some parameter values. A two-population version of the model leads to the consideration of vaccination policies in paired border towns. ...