MORSE THEORY AND GRAVITATIONAL LENSES

• • 1.pdf

ON THE SYMMETRY THEORY FOR STOKES WAVES AF FINITE AND INFINITE DEPTH

• • 4.pdf

PERTURBATION RESULTS FOR SOME VARIATIONAL PROBLEMS WITHOUT COMPACTNESS

• • 3.pdf

SOME SINGULAR PERTURBATION ELLIPTIC PROBLEMS

• • 5.pdf

SPIKE-LAYERS IN DIFFUSION AND CROSS-DIFFUSION SYSTEMS

• • 6.pdf

THE MASLOV-TYPE INDEX AND ITS ITERATION THEORY WITH APPLICATIONS TO HAMILTONIAN SYSTEMS

• • 2.pdf