Please use the navigation menu at the left to move around my home page. (If you don't see the menu, try going here. )

Here are some shortcuts to current parts of my page. The sidebar gives a full list.

• Penn State Math Department's strategic plan.
• The Journal of Topology  published its first issue in 2008.
•  Lectures on Coarse Index Theory at Fudan University, Shanghai (May 2006).
• The Journal of Noncommutative Geometry  published its first issue in 2007.  I am a member of the editorial board.  Please see the journal home page for more information - high quality submissions are welcome!
• Corrections (small) to Lectures on Coarse Geometry.
• Home page of the Geometric Functional Analysis Seminar, which is run by Nigel Higson and myself.
• About John Roe (web site), and my facebook page.