Chandler Davis
| Chandler Davis | |
|---|---|
 |
|
| Born |
August 12, 1926 Ithaca, New York |
| Fields | mathematics |
| Institutions | University of Toronto |
| Alma mater | Harvard University |
| Spouse | Natalie Zemon Davis |
Horace Chandler Davis (born August 12, 1926 in Ithaca, New York) is an American-Canadian mathematician, writer, and educator.
He was born in Ithaca, New York, to parents Horace B. Davis and Marian R. Davis. In 1948 he married Natalie Zemon Davis; they have three children. His father was a member of the CPUSA.
He moved to Canada in the early 1960s and began teaching at the University of Toronto.
In 1950 he received a doctorate in mathematics from Harvard University.
His principal research investigations involve linear algebra and operator theory in Hilbert space. Furthermore, he has made contributions to numerical analysis, geometry, and algebraic logic. He is one of the eponyms of the Davis–Kahan theorem and Bhatia–Davis inequality (along with Rajendra Bhatia). The Davis–Kahan–Weinberger dilation theorem is one of the landmark results in the dilation theory of Hilbert space operators and has found applications in many different areas. A PhD thesis titled "Backward Perturbation and Sensitivity Analysis of Structured Polynomial Eigenvalue Problem" is dedicated to this theorem. Davis has written around eighty research papers in mathematics. Davis was a professor in the mathematics department of University of Michigan, working alongside Wilfred Kaplan.
He is currently one of the co-Editors-in-Chief of the Mathematical Intelligencer. In 2012 he became a fellow of the American Mathematical Society.
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