1 July - 31 December 1995

**Organisers**: P Constantin (*Chicago*), JD Gibbon (*Imperial College, London*), JK Hale (*Georgia Tech*), C Sparrow (*Cambridge*). ASI Organiser: P Glendinning (*Cambridge*)

30 Oct - 3 Nov

Monday 30 October

- 10.00 Bernold Fiedler (Berlin):- Meandering spirals
- 11.00 Coffee
- 11.30 W.Oliva (Lisbon):- Formation of symmetries in systems of repelling particles
- 12.30 LUNCH
- 14.00 Mary Silber (Northwestern):- Hopf bifurcation to three-tori in a problem with symmetry
- 14.45 Reiner Lauterbach (Berlin):- Symmetry-breaking perturbations for periodic solutions
- 15.30 Tea
- 17.00 INSTITUTE LECTURE (not part of workshop) Sir James Lighthill: Hurricane Dynamics

Tuesday 31 October

- 09.30 Martin Golubitsky (Houston):- Symmetry Detectives
- 10.30 Coffee
- 11.00 Jeroen Lamb (Warwick):- Symmetric omega-limit sets in reversible flows
- 11.45 Dieter Armbruster and Emily Stone (Arizona and Colorado):- Dynamics of cellular flames
- 12.30 LUNCH
- 14.00 Karin Gatermann (Berlin):- Recursive detectives
- 14.45 Peter Ashwin (Nice):- Attractors for dynamics with invariant subspaces
- 15.30 Tea
- 16.00 Stewart Robertson (Southampton):- Symmetry types of convex bodies
- 16.45 ** Workshop Reception in Institute **

Wednesday 01 November

- 09.30 Mike Field (Houston):- Cycling chaos
- 10.30 Coffee
- 11.00 Jacques Furter (Brunel):- Singularity theory and forced symmetry-breaking
- 11.45 Ana Paula Dias (Porto):- Instant chaos is chaos in slow motion
- 12.15 Christian Leis (Berlin):- Hopf bifurcation with spherical symmetry: invariant tori and connecting orbits
- 12.30 LUNCH
- [No afternoon lectures]

Thursday 02 November

- 09.30 Pascal Chossat (Nice):- Symmetry-breaking dynamics from the orbit-space point of view
- 10.30 Coffee
- 11.00 Alistair Rucklidge (Cambridge):- Heteroclinic cycles between chaotic sets: two examples from models of 3-dimensional convection
- 11.45 Stanislaus Maier-Paape (Augsburg):- Hexagonal and rectangular patterns for the Cahn-Hilliard equation
- 12.30 LUNCH
- 14.00 John Brooke (Manchester):- Spatial symmetry-breaking via an intermittency mechanism
- 14.45 Eduard Feiereisl (Prague):- Attractors for some nonlinear wave equations on unbounded domains
- 15.30 Tea
- 16.00 Edgar Knobloch (Berkeley):- Turing instability in three dimensions

Friday 03 November

- 09.30 Ian Stewart (Warwick):- Speculations on speciation
- 10.30 Coffee
- 11.00 Philip Aston (Surrey):- Classification of steady state / steady state mode interactions
- 11.45 Ian Melbourne (Houston):- Steady-state bifurcation with Euclidean symmetry: rigour and universality in the Ginzburg-Landau equation
- 12.30 LUNCH
- 14.00 Tom Bridges (Surrey):- Instability of toral patterns