1. Phase locking, period doubling bifurcations and chaos in a mathematical model of a periodically driven oscillator: A theory for the entrainment of biological oscillators and the generation of cardiac dysrhythmias

   • Michael R. Guevara
   • Leon Glass

   OriginalPaper Pages: 1 - 23

2. Global dynamics of a selection model for the growth of a population with genotypic fertility differences

   • G. J. Butler
   • H. I. Freedman
   • Paul Waltman

   OriginalPaper Pages: 25 - 35

3. Rates of decay of linkage disequilibrium under two-locus models of selection

   • Marjorie A. Asmussen
   • Michael T. Clegg

   OriginalPaper Pages: 37 - 70

4. Stability in a two host epidemic model

   • M. G. Roberts

   OriginalPaper Pages: 71 - 75

5. Age-dependent population diffusion with external constraint

   • Maria Giovanna Garroni
   • Michel Langlais

   OriginalPaper Pages: 77 - 94

6. Asymptotic behaviour of positive solutions of periodic delay logistic equations

   • M. Badii
   • A. Schiaffino

   OriginalPaper Pages: 95 - 100

7. The structural simplification of an epidemiological compartment model

   • Norman T. J. Bailey

   OriginalPaper Pages: 101 - 116

8. Prelude to hopf bifurcation in an epidemic model: Analysis of a characteristic equation associated with a nonlinear Volterra integral equation

   • O. Diekmann
   • R. Montijn

   OriginalPaper Pages: 117 - 127

9. Announcement

   Announcement Pages: 129 - 129

10. Call for papers

    Announcement Pages: 131 - 131