To treat or not to treat: the case of tuberculosis Carlos Castillo-ChavezZhilan Feng Pages: 629 - 656
Competitive exclusion and persistence in models of resource and sexual competition Wei Feng Pages: 683 - 694
Segregation and mixing in degenerate diffusion in population dynamics Thomas P. Witelski Pages: 695 - 712
Travelling wave phenomena in non-linear diffusion degenerate Nagumo equations Faustino Sánchez-GarduñoPhilip K. Maini Pages: 713 - 728