Volume 4, Number 1 June (2009)

CONTENTS

Singular Radial Positive Solutions for Nonlinear Elliptic Systems 
pp. 1--17
Authors: Abdelaziz Ahammou and Khalid Iskafi

TravellingWaves in some Reaction-diffusion-aggregation Models 
pp. 19--33
Authors: Laura Ferracuti, Cristina Marcelli and Francesca Papalini

Differentiation of Solutions of Dynamic Equations on Time Scales with Respect to Parameters 
pp. 35--54
Authors: Roman Hilscher, Vera Zeidan and Werner Kratz

Solution of a q-deformed Linear System Containing Zero Conditions at Infinity 
pp. 55--71
Authors: Adil Huseynov

Triple Positive Solutions of Two-Point BVPs for p-Laplacian Dynamic Equations on Time Scales 
pp. 73--86
Authors: Tuo Li and Xiaohong Yuan

Blow-up for Degenerate and Singular Nonlinear Parabolic Systems with Nonlocal Source 
pp. 87--106
Authors: Congming Peng and Zuodong Yang

Oscillations and Nonoscillations in Mixed Differential Equations with Monotonic Delays and Advances 
pp. 107--121
Authors: Sandra Pinelas

Oscillation of Forced Second Order Dynamic Equations on Time Scales 
pp. 123--131
Authors: Peiguang Wang, Nan Tang and Chunxia Gao

Solvability Criteria for Second Order Generalized Sturm–Liouville Problems at Resonance 
pp. 133--150
Authors: Youwei Zhang

Global Hopf Bifurcation for an Internet Congestion Model 
pp. 151--158
Authors: Kejun Zhuang