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University of Cambridge > Talks.cam > Differential Geometry and Topology Seminar > Homotopy of codimension one foliations on 3-manifolds

## Homotopy of codimension one foliations on 3-manifoldsAdd to your list(s) Download to your calendar using vCal - Helene Eynard, Jussieu
- Wednesday 23 May 2012, 16:00-17:00
- MR13.
If you have a question about this talk, please contact Ivan Smith. We are interested in the topology of the space of smooth codimension one foliations on a given closed 3-manifold. In 1969, J. Wood proved that any smooth plane field on a closed 3-manifold can be deformed into a plane field tangent to a foliation. This fundamental result was then reproved and generalized by W. Thurston. It is natural then to wonder whether two foliations whose tangent plane fields are homotopic can be connected by a path of foliations, or, in other words, if there is actually a bijection between the (pathwise) connected components of the space of foliations on a given manifold and that of the space of plane fields. In this talk, we will show that the answer is essentially yes. To that end, we will first present Thurston’s construction, along with later works by A. Larcanché, who answered the above question in the case of two sufficiently close taut foliations. This talk is part of the Differential Geometry and Topology Seminar series. ## This talk is included in these lists:- All CMS events
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