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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Cohomology reveals when helicity is a diffeomorphism invariant

## Cohomology reveals when helicity is a diffeomorphism invariantAdd to your list(s) Download to your calendar using vCal - Parsley, J (Wake Forest University)
- Thursday 06 December 2012, 09:00-09:20
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact Mustapha Amrani. Topological Dynamics in the Physical and Biological Sciences We consider the helicity of a vector field, which calculates the average linking number of the fields flowlines. Helicity is invariant under certain diffeomorphisms of its domain we seek to understand which ones. Extending to differential (k+1)-forms on domains R This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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