Minimizing the squared mean curvature integral for surfaces in space forms. Hsu, Lucas; Kusner, Rob; Sullivan, John — 1992 Experimental Mathematics
Quadrisecants give new lower bounds for the ropelength of a knot. Denne, Elizabeth; Diao, Yuanan; Sullivan, John M. — 2006 Geometry & Topology
Filtration Patterns for Representations of Algebraic Groups and Their Frobenius Kernels. Steven R. Doty; John B. Sullivan — 1987 Mathematische Zeitschrift