Residence Quebec City, Canada Name Thomas Ransford | Nationality United Kingdom Institution Laval University Institutions Universite Laval | |
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Fields Banach algebrasPotential Theory Thesis Analytic Multivalued Functions (1984) Alma mater | ||
Citizenship United Kingdom Canada |
Thomas Ransford Ph.D. Sc.D (born 1958) is a British-born Canadian mathematician, known for his research in spectral theory and complex analysis. He holds a Canada Research Chair in mathematics at Université Laval.

Ransford earned his Ph.D. from the University of Cambridge in 1984.
Career
He was a fellow of the Trinity College, University of Cambridge, from 1983 to 1987.
In addition to over 70 research papers on mathematics, he has written a research monograph "Potential Theory in the Complex Plane" in 1995.
He has proved results on potential theory, functional analysis, the theory of capacity, and probability. For example, with Javad Mashreghi he proved the Mashreghi–Ransford inequality. He also derived a short elementary proof of Stone–Weierstrass theorem [1].