Sean Cleary

Position

Professor, Assistant Chair, Lead Majors Advisor, Minor 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, 11am and 2pm

• No office hours Tues, Feb 17th as classes are not meeting.

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 Spring 2026, Sean Cleary is teaching:

• Math 36000-L: Introduction to Modern Geometry; TuTh 9:30AM-10:45AM in NAC 1/511E
• Math 39000-001: Vector Analysis; Tu 12:15PM-1:55PM in NAC 1/511E

Past teaching