Spectral concentration for dense point spectrum -- Behaviour of a semilinear periodic-parabolic problem when a parameter is small -- On smoothing property of Schrรถdinger propagators -- A coin tossing problem of R. L. Rivest -- Liapunov functions and monotonicity in the Navier-Stokes equation -- Singular solutions of a nonlinear elliptic equation and an infinite dimensional dynamical system -- to geometric potential theory -- KDV, BO and friends in weighted Sobolev spaces -- The square root problem for elliptic operators a survey -- The initial value problem for a class of nonlinear dispersive equations -- On Schrรถdinger operators with magnetic fields -- Existence of bound states for double well potentials and the Efimov effect -- High energy asymptotics for the total scattering phase in potential scattering theory -- Feynman path integral to relativistic quantum mechanics -- On the distribution of poles of the scattering matrix for several convex bodies -- Smoothing effect for the Schrรถdinger evolution equations with electric fields -- Blow-up of solutions for the nonlinear Schrรถdinger equation with quartic potential and periodic boundary condition