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Monday, October 15, 2018
4:00 PM - 5:00 PM

Caltech/USC/UCLA Joint Topology Seminar

Section problems
Lei Chen, Department of Mathematics, Caltech,

UCLA, MS 6627

In this talk, I will discuss a direction of study in topology: Section problems. There are many variations of the problem: Nielsen realization problems, sections of a surface bundle, sections of a bundle with special property (e.g. nowhere zero vector field). I will discuss some techniques including homology, Thurston-Nielsen classification and dynamics. Also I will share many open problems. Some of the results are joint work with Nick Salter.

For more information, please contact Mathematics Department by phone at 626-395-4335 or by email at mathinfo@caltech.edu.