The Generalized Ahlfors-Heins Theorem in Certain d-Dimensional Cones.
The generalized Conley index and multiple solutions of semilinear elliptic problems.
The generalized Dirichlet problem for equations of Monge-Ampère type
The generalized Riemann-Hilbert boundary value problem for non-homogeneous polyanalytic differential equation of order in the Sobolev space .
The global Cauchy problem for the non linear Schrödinger equation revisited
The gradient method for non-differentiable operators in product Hilbert spaces and applications to elliptic systems of quasilinear differential equations.
The Green Function for Uniformly Elliptic Equations.
The version of the boundary element method on polygonal domains with quasiuniform meshes
The version of the finite element method with quasiuniform meshes
The Harnack inequality for -harmonic functions.
The heat radiation problem: three-dimensional analysis for arbitrary enclosure geometries.
The Hierarchical Basis Multigrid Method.
The hierarchical basis multigrid method for convection-diffusion equations.
The homogeneous Dirichlet problem for non-elliptic partial differential equations with strong nonlinearities
The h-p Version of the Finite Element Method for Elliptic Equations of Order 2m.
The impact of unbounded swings of the forcing term on the asymptotic behavior of functional equations
Necessary and sufficient conditions have been found to force all solutions of the equation to behave in peculiar ways. These results are then extended to the elliptic equation where is the Laplace operator and is an integer.
The index of isolated critical points and solutions of elliptic equations in the plane
The Indicatrix Method in Free Boundary Problems.
The integrability of new two-component KdV equation.
The integral equation methods for the perturbed Helmholtz eigenvalue problems.