References

TJB & N.M. Donaldson.
Degenerate periodic orbits and homoclinic torus bifurcation,
Phys. Rev. Lett. 95 104301 (2005)
.pdf

TJB. Degenerate relative equilibria, curvature of the momentum map, and homoclinic bifurcation,
Preprint (2006) .pdf

TJB & N.M. Donaldson. Secondary criticality of water waves.
Part 1. Definition, bifurcation and solitary waves,
J. Fluid Mech. 565 381417 (2006) .pdf

TJB & N.M. Donaldson. Reappraisal of criticality for twolayer flows and its role in the generation of internal solitary waves,
Phys. Fluids (to appear, 2007)
.pdf
