Nonlinear Coherent Structures in Physics and Biology

Equations of motion for vortices in 2-D easy-plane magnets.- Central peak signatures from vortices in 2D easy-plane antiferromagnets.- Free vortices in the quasi-two dimensional XY antiferromagnet BaNl2(PO4)2?.- The electric resistivity of a magnetic semiconductor with easy-axis of anisotropy populated by magnon solitons.- Thermodynamics of quantum spin chains.- Dissipative superluminous Brillouin solitons in an optical-fiber ring cavity.- Polarisation fluctuations in nonlinear optical fibres.- Stochastic dynamics of spatial solitons on the periodic interface of two nonlinear media.- Conversion of ultrashort optical solitons in the fibre-optical loop.- Dynamics of breather modes in a nonlinear “helicoidal” model of DNA.- Equilibrium and nonequilibrium statistical mechanics of a nonlinear model of DNA.- A simple model of DNA dynamics.- Anomalous vibrational modes in acetanilide: a F.D.S. incoherent inelastic neutron scattering study.- Nonlinear excitations in a quantum dimer.- Kinks in disordered conjugated polymers.- A discrete selftrapping equation model for Scheibe aggregates.- Computer simulation of cardiac arrhythmias and of defibrillating electric shocks. Effects of antiarrhythmic drugs.- Numerical studies of solitons on lattices.- A symplectic solder for lattice equations.- Solitary wave solutions to the discrete nonlinear Schrödinger equation.- Asymptotic bi-soliton in diatomic chains.- Nonlinear dynamics of localized structures and proton transfer in a hydrogen-bonded chain model including dipole interactions.- Resonant states in the propagation of waves in a periodic, non-linear medium.- GAP solitons in 1D asymmetric physical systems.- Evidence of energy diffusion in pure anharmonic disordered chains.- A numerical venture into the menagerie of coherent structures of a generalized Boussinesq equation.- Self-organization and nonlinear dynamics with spatially coherent structures.- Modulational instability and two-dimensional dynamical structures.- Competitive interactions and 2-D structures at finite temperatures.- Interactions of solitons in (2+1) dimensions.- Spiral waves in excitable media.- Kadomtsev-Petviashvili and (2+1)-dimensional burgers equations in the Bénard problem.- Non-linearity and coherence in models of superconductivity.- Chaotic polaronic and bipolaronic states in coupled electron-phonon systems.- Chaotic motion of solitons in the PDE model of long Josephson junctions.- Nonlinear structure of phase motion from the study of differential equations near resonant tori.- Noise induced bifurcations in simple nonlinear models.- Coherent behaviour of single degrees of freedom in an order-to-chaos transition.- Dissipation in Quantum Field Theory.- Coherence and Quantum Groups.- Exact periodic solutions for a class of multispeed discrete Boltzmann models.- Collective coordinates by a variational approach: Problems for sine Gordon and ?4 models.- Exact solution of the perturbed sine-Gordon breather problem.- Numerical results concerning the generalized Zakharov system.- Resonances in nonlinear Klein-Gordon kink scattering by impurities.- Resonant kink-impurity interactions.- Localized self-similar structures for a coupled nls equation: An approximate analysis.- Searching for solitons with a direct binary operator method.- The inverse problem of dynamics for the nonlinear Klein-Gordon equation. Pulsons and bubbles in the models with logarithmic nonlinearities.