http://arxiv.org/abs/1606.01639
We construct a new invariant-the trunkenness-for volume-perserving vector fields on S^3 up to volume-preserving diffeomorphism. We prove that the trunkenness is independent from the helicity and that it is the limit of a knot invariant (called the trunk) computed on long pieces of orbits.
A. Rechtman and P. Dehornoy
Tue, 7 Jun 16
56/80
Comments: N/A
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