Professor of Mathematics
Department of Mathematics
University at Buffalo
244 Mathematics Building
Buffalo, New York 14260-2900
U. S. A.
Office: Mathematics Building112
My research interests are in the geometric topology, 3 & 4-manifolds, knot theory, braid theory, hyperbolic geometry, and dynamical systems.
(with R. Kleinberg) Train tracks and Zipping Sequences for Pseudo-Anosov Braids, Knot Theory and Its Applications. Chaos Solitons Fractals 9 (1998), no. 4-5, 793--809.
Knots, Braids, and Mapping Class Groups: Papers dedicated to Professor Joan Birman, Ed. J. Gilman, W. Menasco, and X.-S. Lin, International Press.
(with X. Zhang) Notes on Tangles, 2-Handle Additions And Exceptional Dehn Fillings, Pacific Journal of Mathematics.Vol. 198 (2001), No. 1, 149–174 [.pdf (Acrobat) version]
(with X. Zhang)Positive knots and knots with braid index three have property-P, Knot Theory its Ramifications,12, 427 (2003). [.pdf (Acrobat) version]
(with J. Birman) ,Stabilization in the braid groups-II: Transversal simplicity of knots Geometry & Topology. 10 (2006) 1425–1452 [.pdf(Acrobat version)]
For more information, click here.
Courses and Seminars
Graduate course description for Fall-2015 semester section of MATH 627
Topic of up coming geometric topology seminar.
Web sites that are of interest to me:
Small minds are concerned with the extraordinary, great minds with the ordinary. Blaise Pascal.