Notes Quaderns 48.I i 48.II

    Topics in PDE's and applications 2008 I, May 2008

    Henri Berestycki
    Generalized travelling waves for reaction-diffusion equations and propagation phenomena
    Haïm Brezis
    New questions related to the topological degree
    A new estimate for the topological degree
    T-convergence and Sobolev norms
    Optimal constant in a new estimate for the degree
    Carlos Kenig
    The concentration-compactness/rigidity method for critical dispersive and wave equations 1
    The concentration-compactness/rigidity method for critical dispersive and wave equations 2

    Topics in PDE's and applications 2008 II, May 2008

    Henri Berestycki
    The influence of advection on the propagation of fronts in reaction-diffusion equations
    Haïm Brezis
    Degree theory: old and new
    The fascinating homotopy structure of Sobolev spaces
    Carlos Kenig
    References
    Robert V. Kohn
    References
    The internal structure of a cross-tie wall
    The sharp-interface limit of action minimization
    Bounds on coarsening rates
    The relaxation of a crystal surface below the roughening temperature
    Gang Tian
    References
    Aspects of metric geometry of four manifolds