Table of Contents: Nonlinearity Volume 17(5), September 2004

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Nonlinearity, 17(5), September 2004



PAPERS

1547 Topological obstructions to smoothness for infinitely renormalizable
maps of the disc

F J Moreira

1571 Connecting orbits and invariant manifolds in the spatial restricted
three-body problem
G Gómez, W S Koon, M W Lo, J E Marsden, J Masdemont and S D Ross
1607 Growth of the zeta function for a quadratic map and the dimension of
the Julia set

J Strain and M Zworski

1623 Optimal partition choice for invariant measure approximation for
one-dimensional maps
R Murray
1645 Convex dynamics: properties of invariant sets

T Nowicki and C Tresser

1677 Isometric actions of Lie subgroups of the Moebius group

C Boubel and A Zeghib

1689 Chaotic dynamics of a nonlinear density dependent population model

I Ugarcovici and H Weiss

1713 Renormalization and shearless invariant tori: numerical results
D Gaidashev and H Koch
1723 Eigenfunctions for smooth expanding circle maps

G Keller and H H Rugh

1731 Viscous singular shock structure for a nonhyperbolic two-fluid model
B L Keyfitz, M Sever and F Zhang

1749 A `horizontal' hyper-diffusion three-dimensional thermocline planetary
geostrophic model: well-posedness and long-time behaviour
C Cao, E S Titi and M Ziane
1777 Vanishing twist near focus--focus points

H R Dullin and V? Ngoc San

1787 Rotations by π/7

A Goetz and G Poggiaspalla

1803 Evolution of slow variables in a priori unstable Hamiltonian systems
D Treschev

1843 On the initial value problem for the KPII equation with data that do
not decay along a line

J Villarroel and M J Ablowitz

1867 Ruelle's linear response formula, ensemble adjoint schemes and Lévy
flights

G L Eyink, T W N Haine and D J Lea

1891 Exact semi-geostrophic flows in an elliptical ocean basin
R J McCann and A M Oberman
1923 Dimension dependent energy thresholds for dis$ete breathers
M Kastner

1941 A non-linear oscillator with quasi-harmonic behaviour: two- and
n-dimensional oscillators
J F Cariñena, M F Rañada, M Santander and M Senthilvelan
1965 Robust normal forms for saddles of analytic vector fields
W Tucker
CORRIGENDUM
On the On the existence of conditionally invariant probability
1985 measures in dynamical systems
of a renormalization operator
P Collet, S Martínez and V Maume-Deschamps