Editorial

Michel Benaim and Morris W. Hirsch
Chain recurrence in surface flows 1

J.E. Lagnese
Controllability of systems of interconnected membranes 17

W.E. Fitzgibbon, M.E. Parrott, G.F. Webb
Diffusive epidemic models with spatial and age dependent heterogeneity 35

Brooke L. Hollingsworth and R.E. Showalter
Semilinear degenerate parabolic systems and distributed capacitance models 59

H.O. Fattorini
The maximum principle for linear infinite dimensional control systems with state constraints 77

Tongren Ding, Hai Huang and Fabio Zanolin
A priori bounds and periodic solutions for a class of planar systems with applications to Lotka--Volterra equations 103

H.T. Banks and R.C. Smith
Feedback control of noise in a 2-D nonlinear structural acoustics model 119

Jerry L. Bona and Laihan Luo
More results on the decay of solutions to nonlinear, dispersive wave equations 151

Peng Zhang and Tong Zhang(Tung Chang)
The Riemann problem for scalar CJ-combustion model without convexity 195

A.M. Krasnosel'skii and J. Mawhin
The index at infinity of some twice degenerate compact vector fields 207

B. Buffoni and F. Giannoni
Brake periodic orbits of prescribed Hamiltonian for indefinite Lagrangian systems 217

V. Rehbock, K.L. Teo and L.S. Jennings
Suboptimal feedback control for a class of nonlinear systems using spline interpolation 223

I. Lasiecka and W. Heyman
Asymptotic behavior of solutions in nonlinear dynamic elasticity 237

Todd Young
Partially hyperbolic sets from a co-dimension one bifurcation 253

V. Barbu
Periodic solutions to unbounded Hamiltonian system 277

Piermarco Cannarsa and Carlo Sinestrari
On a class of nonlinear time optimal control problems 285

A. Rodriguez-Bernal and E. Zuazua
Parabolic singular limit of a wave equaiton with localized boundary damping 303

Micol Amar and Andrea Braides
A characterization of variational convergence for segmentation problems 347

Jiongmin Yong
Optimality conditions for controls of semilinear evolution systems with mixed constraints 371

K. Tintarev
Critical values and minimal periods for autonomous Hamiltonian systems 389

Giuseppe Buttazzo and Lorenzo Freddi
Optimal control problems with weakly converging input operators 401

Ricardo Rosa
Approximate inertial manifolds of exponential order 421

Y. Giga
Interior derivative blow up for quasilinear parabolic equations 449

Hildeberto E. Cabral and Zhihong Xia
Subharmonic solutions in the restricted three-body problem 463

Nakao Hayashi and Tohru Ozawa
Schroedinger equations with nonlinearity of integral type 475

Robert E. Miller
Homogenization of time-dependent systems with Kelvin-Voigt damping by two-scale convergence 485

Ta-Tsien Li and Yi Zhou
Breakdown of solutions to u+u_{t}=|u|^{1+\alpha} 503

Kazuhiro Ishige
On the existence of solutions of the Cauchy problem for porous medium equations with radon measure as initial data 521

T. Zolezzi
Extended wellposedness of optimal control problems 547

Tung Chang, Gui-Qiang Chen, and Shuli Yang
On the 2-D Riemann problem for the compressible Euler equations I. Interaction of shocks and rarefaction waves 555

Hermano Frid
Invariant regions under Lax-Friedrichs scheme for multidimensional systems of conservation laws 585

Author Index to Volume 1 596

Contents of Volume 1 597

Back