Welcome to my pages!

I am a Full Professor of Mathematics
(Mathematics, Irving K. Barber School, UBC Okanagan) and a Canada Research Chair (Tier 2) in Convex Analysis and Optimization.

News and Olds

The book Convex Analysis and Monotone Operator Theory in Hilbert Spaces, written jointly with Patrick L. Combettes, Springer, appeared in Spring 2011.
( excerpt; amazon.com; amazon.ca; chapters )

Inaugural "Researcher of the Year" at UBCO (March 2009).
Daily Courier article March 16, 2009

"Blackboard Mavericks": Research Highlights at UBC Okanagan, 2008/09.

"The Sudoku Solution" (pdf version), Science News,

Receipient of the Governor General's Gold Medal (SFU News, Volume 9, No. 3, June 5, 1997)


Diplom-Mathematiker (with distinction), Department of Mathematics, Goethe University, Frankfurt, 1990.

Ph.D. in Mathematics, Department of Mathematics, Simon Fraser University, 1996.

Google Scholar Citations

Genealogy thanks to the Mathematics Genealogy Project.

Erdös number: 3. In at least five different ways:

  • via Jon Borwein and David Preiss;
  • via Jon Borwein and Bruce Richmond;
  • via Frank Deutsch and Charles Chui;
  • via Osman Güler and Alan Hoffman;
  • via Eva Matoušková and David Preiss.

Learn more about the Erdős Number Project.