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University Park
Altoona

Thursday, January 24, 2008
5:00 pm, 106 McAllister

Young-Eun Choi
Penn State

Grafting Rays and Teichmueller Rays

Given a weighted simple closed geodesic C on a hyperbolic surface X, the surface is grafted along sC by cutting along by cutting the surface along C and inserting a Euclidean cylinder of height s. For s > 0, this defines a grafting ray in Teichmuller space. We compare this with the Teichmueller ray that starts at X and whose vertical foliation is e^t C.

We meet weekly on Thursday afternoons, with the third meeting of each month in Altoona. If you are interested in giving a talk in our seminar please contact one of the coordinators for the Fall 2007 semester: Young Choi and Aissa Wade.

 

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