Charles Royal Johnson
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Charles Royal Johnson | |
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| Born | January 28, 1948 Elkhart, Indiana, United States |
| Alma mater | Northwestern University, California Institute of Technology |
| Scientific career | |
| Fields | Mathematics |
| Institutions | |
| Thesis | Matrices whose hermitian part is positive definite (1972) |
| Doctoral advisor | Olga Taussky Todd |
Charles Royal Johnson (born January 28, 1948) is an American mathematician specializing in linear algebra. He was a Class of 1961 professor of mathematics at College of William and Mary.[1] The books Matrix Analysis and Topics in Matrix Analysis, co-written by him with Roger Horn, are standard texts in advanced linear algebra.[2][3][4]
Johnson received a B.A. with distinction in Mathematics and Economics from Northwestern University in 1969. In 1972, he received a Ph.D. in Mathematics and Economics from the California Institute of Technology, where he was advised by Olga Taussky Todd; his dissertation was entitled "Matrices whose Hermitian Part is Positive Definite".[5] Johnson held various professorships over ten years at the University of Maryland, College Park starting in 1974. He was a professor at Clemson University from 1984 to 1987.[citation needed] He was a professor of mathematics at the College of William and Mary from 1987 to 2024.[6]
