M. Scharlemann

activity

19982005

most citedAutomorphisms of the 3-sphere that preserve a genus two Heegaard splitting

56 citations · 61 across the 7 of their papers we have counts for

collaborators

Showing 2000Show all

2 papers · 1 filter

math.GT2000

Unknotting tunnels and Seifert surfaces

Martin Scharlemann, Abigail Thompson

Let $K$ be a knot with an unknotting tunnel $γ$ and suppose that $K$ is not a 2-bridge knot. There is an invariant $ρ = p / q \in Q /2 Z$ , $p$ odd, defined for the pa…

math.GT2000

Heegaard splittings of compact 3-manifolds

Martin Scharlemann

An expository survey article on Heegaard splittings