1. To treat or not to treat: the case of tuberculosis

   • Carlos Castillo-Chavez
   • Zhilan Feng

   Pages: 629 - 656

2. On the non-existence of an optimal migration rate

   • Mathieu Lemire
   • Sabin Lessard

   Pages: 657 - 682

3. Competitive exclusion and persistence in models of resource and sexual competition

   • Wei Feng

   Pages: 683 - 694

4. Segregation and mixing in degenerate diffusion in population dynamics

   • Thomas P. Witelski

   Pages: 695 - 712

5. Travelling wave phenomena in non-linear diffusion degenerate Nagumo equations

   • Faustino Sánchez-Garduño
   • Philip K. Maini

   Pages: 713 - 728

6. Conditional stability of front solutions

   • James A. Powell

   Pages: 729 - 747