1. Editorial

   EditorialNotes 01 October 2009 Pages: 1 - 2

2. Basic chemostat model revisited

   • V. Sree Hari Rao
   • P. Raja Sekhara Rao

   Research Article 01 October 2009 Pages: 3 - 16

3. n-Dimensional ratio-dependent predator-prey systems with memory

   • Krisztina Kiss
   • János Tóth

   Research Article 01 October 2009 Pages: 17 - 35

4. Zip bifurcation in a competitive system with diffusion

   • Jocirei D. Ferreira
   • Luiz Augusto F. de Oliveira

   Research Article 01 October 2009 Pages: 37 - 53

5. Area-preserving nonlinear differential equations

   • Gabriella Bognár

   Research Article 01 October 2009 Pages: 55 - 62

6. Partial characterization of the global dynamic of a predator-prey model with non constant mortality rate

   • Cosme Duque
   • Marcos Lizana

   Research Article 01 October 2009 Pages: 63 - 75

7. Algebraic analysis of a discrete hierarchy of double bracket equations

   • Luis Benítez-Babilonia
   • Raúl Felipe
   • Nancy López-Reyes

   Research Article 01 October 2009 Pages: 77 - 90

8. Construction and applications of the matrix-valued Liapunov functions for some quasi-periodic systems

   • D. M. Lila
   • A. A. Martynyuk

   Research Article 01 October 2009 Pages: 91 - 104

9. Mean values and functional equations

   • Zoltán Daróczy

   Research Article 01 October 2009 Pages: 105 - 113

10. Perturbed models for cancer treatment by radiotherapy

    • H. I. Freedman
    • G. Belostotski

    Research Article 01 October 2009 Pages: 115 - 133

11. Bifurcation in a predator-prey model with diffusion: Rotating waves

    • Sándor Kovács

    Research Article 01 October 2009 Pages: 135 - 146

12. Exact multiplicity of positive solutions for a class of singular semilinear equations

    • Peter L. Simon

    Research Article 01 October 2009 Pages: 147 - 161

13. A cubic system with a limit cycle bounded by two invariant parabolas

    • Eduardo Sáez
    • Iván Szántó

    Research Article 01 October 2009 Pages: 163 - 168

14. Sampled-data control and stability of sets for nonlinear systems

    • Éva Gyurkovics

    Research Article 01 October 2009 Pages: 169 - 183

15. Stability analysis of delay-differential equations by the method of steps and inverse Laplace transform

    • Tamás Kalmár-Nagy

    Research Article 01 October 2009 Pages: 185 - 200