ABSTRACT. We present a comparison among the performance of solvers based on Nyström discretizations of several well-posed boundary integral equation formulations of Helmholtz transmission problems in ...
Mathematics of Computation, Vol. 59, No. 199 (Jul., 1992), pp. 63-76 (14 pages) This paper deals with the approximation of the biharmonic equation in a square domain with Dirichlet boundary conditions ...