Sweepouts of amalgamated 3-manifolds. Bachman, David; Schleimer, Saul; Sedgwick, Eric — 2006 Algebraic & Geometric Topology
Non-isotopic Heegaard splittings of Seifert fibered spaces. With an appendix by R.Weidmann. Bachman, David; Derby-Talbot, Ryan; — 2006 Algebraic & Geometric Topology
Large embedded balls and Heegaard genus in negative curvature. Bachman, David; Cooper, Daryl; White, Matthew E. — 2004 Algebraic & Geometric Topology