Darryl McCullough

Free actions on handlebodies

Darryl McCullough, Marcus Wanderley, 2001 .

Virtual cohomological dimension of mapping class groups of 3-manifolds

Darryl McCullough, Darryl McCullough, 1988 .

Group Actions on Handlebodies

Darryl McCullough, Bruno Zimmermann, B. Zimmermann, 1989 .

Height and Excess of Pythagorean Triples

Darryl McCullough, 2005 .