Euler equation and burger equation ¿ Relation with turbulence.- Asymptotic behavior of a model in population genetics.- A minimax principle and applications to elliptic partial differential equations.- The existence of periodic water waves.- An application of the Nash-moser theorem to a free boundary problem.- Singularities in non-linear waves of Klein-Gordon type.- Bifurcations of dynamical systems and nonlinear oscillations in engineering systems.

Euler equation and burger equation - Relation with turbulence.- Asymptotic behavior of a model in population genetics.- A minimax principle and applications to elliptic partial differential equations.- The existence of periodic water waves.- An application of the Nash-moser theorem to a free boundary problem.- Singularities in non-linear waves of Klein-Gordon type.- Bifurcations of dynamical systems and nonlinear oscillations in engineering systems.