The City College of New YorkCCNY
Department of Mathematics
Division of Science

Sean Cleary

Portrait of Sean Cleary
Position
Professor, Majors Advisor
Email
scleary@ccny.cuny.edu
Office
MR 301C
Office hours
see below
Office phone
(212) 650-5122
Homepage
https://profcleary.github.io

Office Hours

  • Tuesdays and Thursdays, 9:40am-10:40am on days when Tues/Thurs classes meet. Office hours are in Marshak 301C but if students have questions after class ends in NAC 1/203 after class, I am happy to remain there answering questions.

Biography

Professor, The City College of New York, Department of Mathematics

Graduate Faculty, The CUNY Graduate Center, Department of Mathematics

Education:

  • Ph.D., Mathematics, University of California, Los Angeles
  • A.B. Mathematics and Physics, Cornell University

Research

Geometric and combinatorial group theory, spaces of trees, algorithms for trees.

MathSci reviews of some research publications, subscription required (CUNY has one)

Some arXiv preprints of research publications.

CCNY Faculty Profile page

Classes

For Fall 2025, Sean Cleary is teaching:

Past teaching

The City College of New YorkCUNY
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