Variational methods and nonlinear evolution equations Finite difference methods for nonlinear evolution equations computational methods in ordinary diffferential equations Newton-type methods and nonlinear Rayleigh functionals 并列题名：One-parameter semigroups for linear evolution equations One-parameter semigroups for linear evolution equations Modern analysis methods in nonlinear partial differential equations One-parameter semigroups for linear evolution equations. Invariant manifolds and dispersive hamiltonian evolution equations Nonlinear evolution equations