CONTENTS
Qiudong Wang , The diffusion time of the connecting orbit around rotation number zero for the monotone twist maps; 255
Safya Belghith , Symbolic dynamics in nondifferentiable system originating in R-L-Diode driven circuit; 275
A.A. Zevin and M.A. Pinsky , Qualitative analysis of periodic oscillations of an earth satellite with magnetic attitude stabilization; 293
C. Kopf , Symbol sequences and entropy for piecewise monotone transformations with discontinuities; 299
S. Bonafede, G.R. Cirmi and A.F. Tedeev, Finite speed of propagation for the porous media equation with lower order terms; 305
Ana Maria Bertone and J.V. Goncalves , Discontinuous elliptic problems in $R^N$: lower and upper solutions and variational principles; 315
Stefano Bianchini , On the shift differentiability of the flow generated by a hyperbolic system of conservation laws; 328
Viorel Nitica, Examples of topologically transitive skew-products; 351
M. Bardi, S. Koike, and P. Soravia , Pursuit-evasion games with state constraints: dynamic programming and discrete-time approximations; 361
Antonio Garcia , Transition tori near an elliptic fixed point; 381
P. Fabrie, C. Galusinskiand and A. Miranville , Uniform inertial sets for damped wave equations; 393
T. Chang, G.-Q. Chen, and S. Yang , On the 2-D Riemann problem for the compressible Euler equations II. Interaction of contact discontinuities; 419
J.-P. Raymond and F. Tr\"oltzsch , Second order sufficient optimality conditions for nonlinear parabolic control problems with state constraints; 431
Jiu Ding and Aihui Zhou, Absolutely continuous invariant measures for piecewise $C^2$ and expanding mappings in higher dimensions; 451
Taddei Valentina , Bound sets for Floquet boundary value problems: The nonsmooth case; 459
Alessandro Fonda and Rafael Ortega , Positively homogeneous equations in the plane; 475
H. Takaoka , Global well-posedness for the Kadomtsev-Petviashvili II equation; 483