Null surgery on knots in L-spaces

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• Yi Ni (CALTECH (California Institute of Technology))
• Wednesday 01 February 2017, 09:00-10:00
• Seminar Room 1, Newton Institute.

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HTLW02 - 3-manifold workshop

Co-author: Faramarz Vafaee (Caltech)
 
Let   be a knot in a rational homology sphere   . Then there is a unique surgery on   which results a manifold with       . We call this surgery the null surgery. When   is an L-space, the null surgery remembers the information about the genus and fiberedness of the knot. A special case of our theorem is that if the resulting manifold is           , then the dual knot is a spherical braid. This is joint work with Faramarz Vafaee.

This talk is part of the Isaac Newton Institute Seminar Series series.

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