70 citations · 316 across the 56 of their papers we have counts for
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math.DS2001
Morse theory on spaces of braids and Lagrangian dynamics
R. W. Ghrist, J. B. Van den Berg, R. C. Vandervorst
In the first half of the paper we construct a Morse-type theory on certain spaces of braid diagrams. We define a topological invariant of closed positive braids which is correlated…
math.DS2001★ 10 cited
An index for closed orbits in Beltrami fields
John Etnyre, Robert Ghrist
We consider the class of Beltrami fields (eigenfields of the curl operator) on three-dimensional Riemannian solid tori: such vector fields arise as steady incompressible inviscid f…