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Geometry-Topology Seminar

Thursday, February 19, 2004 - 4:30pm

David Gay

Universite du Quebec a Montreal Universite du Quebec

Location

University of Pennsylvania

DRL 4C8

I will describe a method of consructing closed 2-forms on 4-manifolds which vanish along circles and are symplectic away from the circles. I also hope to discuss the problem of cancelling these zero circles.