76 citations · 308 across the 22 of their papers we have counts for
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math.GT2012
Linking and the Morse complex
Michael Usher
For a Morse function f on a compact oriented manifold M, we show that f has more critical points than the number required by the Morse inequalities if and only if there exists a ce…
math.SG2012
Submanifolds and the Hofer norm
Michael Usher
Chekanov showed that the Hofer norm on the Hamiltonian diffeomorphism group of a geometrically bounded symplectic manifold induces a nondegenerate metric on the orbit of any compac…