Adrian Stephen Lewis (born 1962 in England) is a British-Canadian mathematician, specializing in variational analysis and nonsmooth optimization.

Education and career

At the

University of Cambridge The University of Cambridge is a public collegiate research university in Cambridge, England. Founded in 1209 and granted a royal charter by Henry III in 1231, Cambridge is the world's third oldest surviving university and one of its most pr ...

he graduated with B.A. in mathematics in 1983, M.A. in 1987, and Ph.D. in engineering in 1987. His doctoral dissertation is titled ''Extreme point methods for infinite linear programming.'' Lewis was a postdoc at Dalhousie University. In Canada he was a faculty member at the

University of Waterloo The University of Waterloo (UWaterloo, UW, or Waterloo) is a public research university with a main campus in Waterloo, Ontario, Canada. The main campus is on of land adjacent to "Uptown" Waterloo and Waterloo Park. The university also operates ...

from 1989 to 2001 and at

Simon Fraser University Simon Fraser University (SFU) is a public research university in British Columbia, Canada, with three campuses, all in Greater Vancouver: Burnaby (main campus), Surrey, and Vancouver. The main Burnaby campus on Burnaby Mountain, located ...

from 2001 to 2004. Since 2004 he has been a full professor at

Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to tea ...

and since 2018 has been the Samuel B. Eckert Professor of Engineering in the School of Operations Research and Information Engineering. From 2010 to 2013, he served as the School's director. Lewis has held visiting appointments at academic institutions in France, Italy, New Zealand, the United States, and Spain. He is a co-editor for '' Mathematical Programming, Series A'' and an associate editor for ''Set-Valued and Variational Analysis'' and for ''

Mathematika ''Mathematika'' is a peer-reviewed mathematics journal that publishes both pure and applied mathematical articles. The journal was founded by Harold Davenport in the 1950s. The journal is published by the London Mathematical Society, on behalf of ...

''. He has been a member of the editorial boards of ''

Mathematics of Operations Research ''Mathematics of Operations Research'' is a quarterly peer-reviewed scientific journal established in February 1976. It focuses on areas of mathematics relevant to the field of operations research such as continuous optimization, discrete optimiz ...

'', the '' SIAM Journal on Optimization'', the ''

SIAM Journal on Matrix Analysis and Applications The ''SIAM Journal on Matrix Analysis and Applications'' (until 1989: ''SIAM Journal on Algebraic and Discrete Methods'') is a peer-reviewed scientific journal covering matrix analysis and its applications. The relevant applications include sign ...

'', the '' SIAM Journal on Control and Optimization'', and the '' MPS/SIAM Series on Optimization''. Much of his research deals with "semi-algebraic optimization and variational properties of eigenvalues." With

Jonathan Borwein Jonathan Michael Borwein (20 May 1951 – 2 August 2016) was a Scottish mathematician who held an appointment as Laureate Professor of mathematics at the University of Newcastle, Australia. He was a close associate of David H. Bailey, and they ...

he co-authored the book ''Convex Analysis and Nonlinear Optimization'' (2000, 2nd edition 2006). Lewis holds British and Canadian citizenship and

permanent residency Permanent residency is a person's legal resident status in a country or territory of which such person is not a citizen but where they have the right to reside on a permanent basis. This is usually for a permanent period; a person with suc ...

in the USA.

Selected publications

* * * * * * * * * * * * * * * * *

Awards and honours

* 1995–1996 – Aisenstadt Prize of the Canadian

Centre de recherches mathématiques The Centre de recherches mathématiques (CRM) is the first mathematical research institute in Canada, located at the Université de Montréal. The CRM has ten research laboratories, one in each of: mathematical analysis, number theory and symbol ...

* 2003 – Lagrange Prize for Continuous Optimization from SIAM and the Mathematical Programming Society * 2009 – Fellow of SIAM * 2014 – Invited Speaker, International Congress of Mathematicians at Seoul * 2018 – INFORMS Computing Society Prize (with James V. Burke, Frank E. Curtis, and Michael L. Overton) * 2020 –

John von Neumann Theory Prize The John von Neumann Theory Prize of the Institute for Operations Research and the Management Sciences (INFORMS) is awarded annually to an individual (or sometimes a group) who has made fundamental and sustained contributions to theory in operat ...

from INFORMS

References

External links

* ** {{DEFAULTSORT:Lewis, Adrian 1962 births Living people 20th-century British mathematicians 21st-century British mathematicians 20th-century Canadian mathematicians 21st-century Canadian mathematicians Variational analysts Alumni of the University of Cambridge University of Waterloo faculty Simon Fraser University faculty Cornell University College of Engineering faculty Canadian people of English descent