Richard S. Varga

Richard S. Varga
Born	Richard Steven Varga (1928-10-09)October 9, 1928 Cleveland, Ohio, US
Died	February 25, 2022(2022-02-25) (aged 93)
Alma mater	Case Institute of Technology Harvard University
Known for	Numerical analysis Experimental mathematics Complex analysis 1/9th Conjecture Padé approximation Matrix theory
Scientific career
Fields	Applied Mathematics
Institutions	Bettis Atomic Power Laboratory Case Western Reserve University Kent State University
Doctoral advisor	Joseph L. Walsh
Doctoral students	Philippe G. Ciarlet

Richard Steven Varga (October 9, 1928 - February 25, 2022)^[1] 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.^[2] Varga served as the Editor-in-Chief of the journal Electronic Transactions on Numerical Analysis (ETNA).^[3]