CCNY Office: 8134 NAC
CCNY Phone: (212) 650-5122
Fax: (212) 650-5381
Department of Mathematics, The City College of New York
Department of Mathematics, The Graduate Center of CUNY
Graduate Center Office: 4217.02
This page is not routinely updated. Please visit for a more current page.
Group theory, geometry and topology. In particular,
geometric group theory, Thompson's groups and spaces of trees.
Course and teaching webpages
Department and Service
Graduate program information
Office Hours are on my departmental webpage.
Computers and Computation
Mathematica, Apple and Linux items
A few stories about climbing and biking, some pictures and links
and other assorted things.
Department, School and University Links:
Department of Mathematics R8133
The City College of New York
Convent Ave & 138th
New York, NY 10031
cleary (at sign) sci.ccny.cuny.edu