Charles Royal Johnson
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Charles Royal Johnson (born January 28, 1948) is an American mathematician specializing in
linear algebra Linear algebra is the branch of mathematics concerning linear equations such as :a_1x_1+\cdots +a_nx_n=b, linear maps such as :(x_1, \ldots, x_n) \mapsto a_1x_1+\cdots +a_nx_n, and their representations in vector spaces and through matrix (mathemat ...
. He was a Class of 1961 professor of mathematics at
College of William and Mary The College of William & Mary (abbreviated as W&M) is a public research university in Williamsburg, Virginia, United States. Founded in 1693 under a royal charter issued by King William III and Queen Mary II, it is the second-oldest instit ...
. The books ''Matrix Analysis'' and ''Topics in Matrix Analysis'', co-written by him with
Roger Horn Roger Alan Horn (born January 19, 1942) is an American mathematician specializing in matrix analysis. He was research professor of mathematics at the University of Utah. He is known for formulating the Bateman–Horn conjecture with Paul T. Bate ...
, are standard texts in advanced linear algebra.


Career

Johnson received a B.A. with distinction in Mathematics and Economics from
Northwestern University Northwestern University (NU) is a Private university, private research university in Evanston, Illinois, United States. Established in 1851 to serve the historic Northwest Territory, it is the oldest University charter, chartered university in ...
in 1969. In 1972, he received a Ph.D. in Mathematics and Economics from the
California Institute of Technology The California Institute of Technology (branded as Caltech) is a private research university in Pasadena, California, United States. The university is responsible for many modern scientific advancements and is among a small group of institutes ...
, where he was advised by
Olga Taussky Todd Olga Taussky-Todd (August 30, 1906 – October 7, 1995) was an Austrian and later Czech-American mathematician. She published more than 300 research papers on algebraic number theory, integral matrices, and matrices in algebra and analysis. Ear ...
; his dissertation was entitled "Matrices whose Hermitian Part is Positive Definite". Johnson held various professorships over ten years at the
University of Maryland, College Park The University of Maryland, College Park (University of Maryland, UMD, or simply Maryland) is a public university, public Land-grant university, land-grant research university in College Park, Maryland, United States. Founded in 1856, UMD i ...
starting in 1974. He was a professor at
Clemson University Clemson University () is a Public university, public Land-grant university, land-grant research university near Clemson, South Carolina, United States. - The blue-shaded pattern denotes university property. This shows Clemson University is ''out ...
from 1984 to 1987. He was a professor of mathematics at the
College of William and Mary The College of William & Mary (abbreviated as W&M) is a public research university in Williamsburg, Virginia, United States. Founded in 1693 under a royal charter issued by King William III and Queen Mary II, it is the second-oldest instit ...
from 1987 to 2024.


Books

* (1st edition 1985) ** * (1st edition 1991) * * *


As editor

*


References


External links

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Charles Royal Johnson Curriculum Vitae
20th-century American mathematicians 21st-century American mathematicians College of William & Mary faculty Northwestern University alumni California Institute of Technology alumni 1948 births Living people Linear algebraists {{US-mathematician-stub