An addition theorem for the manifolds with the Laplacian having discrete spectrum.
An asymmetric Neumann problem with weights
An eigenvalue problem for elliptic systems.
An eigenvalue problem for the complex Monge-Ampère operator in pseudoconvex domains
An eigenvalue problem related to Hardy’s inequality
An eigenvalue problem with mixed boundary conditions and trace theorems.
An Elliptic Boundary Value Problem Depending Nonlinearly Upon the Eigenvalue parameter.
An Elliptic Boundary Value problem occurring in Magnetohydrodynamcis.
An estimate of the gap of the first two eigenvalues in the Schrödinger operator
An inertial manifold and the principle of spatial averaging.
An inverse eigenvalue problem for an arbitrary multiply connected bounded region in .
An inverse eigenvalue problem for an arbitrary multiply connected bounded region: An extension to higher dimensions.
An inverse problem for a general doubly-connected bounded domain with impedance boundary conditions.
An Isoperimetric Inequality for the Principal Eigenvalue of a Periodic-Parabolic Problem.
An operator method for a numerical quadrature finite element approximation for a class of second-order elliptic eigenvalue problems in composite structures
An upper bound for the local time-decay of scattering solutions for the Schrödinger equation with Coulomb potential
Analyse semi-classique de l'effet tunnel
Analyse semi-classique pour l'équation de Harper
Analyse semi-classique pour l'équation de Harper (avec application à l'équation de Schrödinger avec champ magnétique)
Analyse semi-classique pour l'équation de Harper. II: Comportement semi-classique près d'un rationnel