Richard S. Varga

Richard Steven Varga (October 9, 1928 - February 25, 2022) was an American mathematician who specialized in numerical analysis and linear algebra. He was an Emeritus University Professor of Mathematical Sciences at Kent State University and an adjunct Professor at Case Western Reserve University. Varga was known for his contributions to many areas of mathematics, including matrix analysis, complex analysis, approximation theory, and scientific computation. He was the author of the classic textbook ''Matrix Iterative Analysis''. Varga served as the Editor-in-Chief of the journal ''Electronic Transactions on Numerical Analysis'' (ETNA). Provided by Wikipedia