Harold Sultan
Eastman, Georgia : Habitat for Humanity
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About Me
I am a fifth year PhD student in Math at Columbia. 
Next year I will be starting a Postdoc at Brandeis.
Advisors
Jason Behrstock (Main Advisor)
Walter Neumann (Local Advisor)
Research Interests
Geometric Group Theory , Low Dimension Topology
Mapping Class Groups , Teichmuller Theory
Contact Me
E-mail: hsultan@math.columbia.edu
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Office: 408 Mathematics
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Separating Pants Decompositions in the Pants Complex
New York Journal of Mathematics, Vol 18, 2012, 79-93.
Separating Curve Complex of the Genus Two Surface is Hyperbolic
(arXiv version preprint) (2011)
The asymptotic cone of Teichm\"uller space: tree-graded structure and divergence, Ph.D. thesis (in preparation) Abstract
Hyperbolic quasi-geodesics in CAT(0) spaces
(arXiv version preprint) (2011) |
CV
Research Statement
Talks I've given
Conferences I've attended (select)
How much money should you add to your Metro Card?
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Orals Syllabus |
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Spring 2011
College Algebra - Analytic Geometry
Fall 2010
College Algebra - Analytic Geometry
Summer 2010
Linear Algebra
Fall 2009
Calculus II
Summer 2009
Linear Algebra |
Spring 2012
Modern Algebra 1
Fall 2011
Calculus III
Spring 2010
Introduction to Modern Analysis 1 Algebraic Topology II
Spring 2009
Linear Algebra
Fall 2008
Calc I Calc IV
Summer 2008
Calc III Calc IV |
