## Stabilizations of Heegaard Splittings with Respect to Connect-Sums of 3Manifolds

- Karen Edwards
- PhD thesis, UC Berkeley,
- 2001

- Published 2008

This is an exposition of Ruifeng Qiu’s proof of the Gordon Conjecture: The sum of two Heegaard splittings is stabilized if and only if one of the two summands is stabilized.