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- David Eppstein, John M. Sullivan, Alper ÃœngÃ¶r
- Comput. Geom.
- 2004

We show it is possible to tile three-dimensional space using only tetrahedra with acute dihedral angles. We present several constructions to achieve this, including one in which all dihedral anglesâ€¦ (More)

- Youngkyun Park, Aubrey T Hanbicki, +7 authors Berend T Jonker
- Science
- 2002

We report on the epitaxial growth of a group-IV ferromagnetic semiconductor, Mn(x)Ge(1-x), in which the Curie temperature is found to increase linearly with manganese (Mn) concentration from 25 toâ€¦ (More)

- Jeff Erickson, Damrong Guoy, John M. Sullivan, Alper ÃœngÃ¶r
- Engineering with Computers
- 2002

We present an algorithm to construct meshes suitable for spacetime discontinuous Galerkin finite-element methods. Our method generalizes and improves the â€˜Tent Pitcherâ€™ algorithm of ÃœngÃ¶r andâ€¦ (More)

What length of rope (of given diameter) is required to tie a particular knot? Or, to turn the problem around, given an embedded curve, how thick a regular neighborhood of the curve also is embedded?â€¦ (More)

- John M. Sullivan
- 1994

We show that the number of disjointed families needed in the Besicovitch Covering Theorem equals the number of unit spheres that can be packed into a ball of radius five, with one at the center, andâ€¦ (More)

- John M. Sullivan
- Journal of safety research
- 2011

INTRODUCTION
Since 1990, fatal animal-vehicle collisions (AVCs) in the United States have more than doubled. This paper examines annual AVC trends in the United States over a 19-year period, seasonalâ€¦ (More)

- John M. Sullivan
- 2006

We discuss notions of Gauss curvature and mean curvature for polyhedral surfaces. The discretizations are guided by the principle of preserving integral relations for curvatures, like theâ€¦ (More)

- L S Liebovitch, John M. Sullivan
- Biophysical journal
- 1987

The kinetics of ion channels have been widely modeled as a Markov process. In these models it is assumed that the channel protein has a small number of discrete conformational states and the kineticâ€¦ (More)

- Reza Abedi, Shuo-Heng Chung, +7 authors Yuan Zhou
- Symposium on Computational Geometry
- 2004

We propose a new algorithm for constructing finite-element meshes suitable for spacetime discontinuous Galerkin solutions of linear hyperbolic PDEs. Given a triangular mesh of some planar domain Î©â€¦ (More)

- Karsten GroÃŸe-Brauckmann, Robert B. Kusner, John M. Sullivan
- Proceedings of the National Academy of Sciencesâ€¦
- 2000

We announce the classification of complete almost embedded surfaces of constant mean curvature, with three ends and genus zero. They are classified by triples of points on the sphere whose distancesâ€¦ (More)