Colloquia

A Scalable Parallel Sparse Linear System Solver Ahmed H. Sameh Purdue University Department of Computer Science “Numerous computational science and engineering applications give rise to large sparse linear systems for which one needs approximate solutions that yield only modest relative... Read More

Strongly Nilpotent Matrices and a Generalization of a Theorem of Konstant Mark Colarusso University of South Alabama Assistant Professor of Mathematics “Consider the set of n x n complex, nilpotent matrices with the property that every submatrix in the top... Read More

Numerical Analysis of Matrix Rank Deficiency Zhonggang Zeng Northeastern Illinois University Professor of Mathematics “Rank deficient matrices are frequently encountered and often dreadful in scientific computing, but rarely elaborated in numerical analysis textbooks. Accurate solutions of problems involving such matrices... Read More