In this paper, the electronic transfer integrals, the energy gap, and the bandwidth of a planar trans-polyacetylene chain are calculated in Wannier representati
A kind of nonlinear elliptic problems has been solved by a Schwarz algorithm.An asymptotic geometric convergence rate is derived, and a numerical method forthe
This paper seeks to identify the coefficient v in the steady-state diffusion equa-tion -div(v gradu) = f for two dimensional anisotropic medium in a boundeddoma