Numerical Integration of Differential Equations and Large Linear Systems : Proceedings of two Workshops Held at the University of Bielefeld Spring 1980 An overview of the techniques in use for solving the coupled equations of scattering theory Weyls theory for second order differential equations and its application to some problems in quantum chemistry The discretization of continuous infinite sets of coupled ordinary linear differential equations: Application to the collision induced dissociation of a diatomic molecule by an atom Extraction of continuum properties from L2 basis set matrix representations of the schrödinger equation: the sturm sequence polynomials and gauss quadrature Approximate solution of schrödingers equation for atoms Numerical integration of linear inhomogeneous ordinary differential equations appearing in the nonadiabatic theory of small molecules Computation of solenoidal (divergence free) vector fields Efficient solution of a nonlinear heat conduction problem by use of fast elliptic reduction and multigrid methods Are the numerical methods and software satisfactory for chemical kinetics Optimization of nonlinear kinetic equation computation Automatic detection and treatment of oscillatory and or stiff ordinary differential equations Characterization of non linearly stable implicit Runge Kutta methods Compact deferred correction formulas Solving odes in quasi steady state A singular perturbations approach to reduced order modeling and decoupling for large scale linear systems Global codes for BVODEs and their comparison Global error estimation in ordinary initial value problems Lower bounds for the accuracy of linear multistep methods Asymptotic error expansions and discrete newton methods for elliptic boundary value problems The use of sparse matrix techniques in ode — Codes On conjugate gradient methods for large sparse systems of linear equations A preconditioned tchebycheff iterative solution method for certain large sparse linear systems with a non symmetric matrix On modified incomplete factorization methods Solving large sparse linear systems arising in queuing problems Large eigenvalue problems in quantum chemistry Variational pseudo gradient method for determination of m first eigenstates of a large real symmetric matrix Simultaneous rayleigh quotient iteration methods for large sparse generalized eigenvalue problems Large sparse unsymmetric eigenvalue problems.