Volume 3  Number 3  September 1999

	Solving Polynomial Systems by Polyhedral Homotopies
	Line Digraph Iterations and Diameter Vulnerability
	Some Uniform Estimates in Products of Random Matrices
	Bipartite Steinhaus Graphs
	ε-Optimality and Duality for Fractional Programming
	Convergence Results for a Fast Iterative Method in Linear Spaces
	A Nonconforming Weak Residual Error Estimator for Elliptic Partial Differential Equations
	Co-Semisimple Modules and Generalized Injectivity
	An Algorithm for Calculating Betti Numbers of Manageable Modules