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CCCG
2009
14 years 11 months ago
Bold Graph Drawings
When a graph is drawn in a classical manner, its vertices are shown as small disks and its edges with a positive width; zero-width edges exist only in theory. Let r denote the rad...
Marc J. van Kreveld
CCCG
2009
14 years 11 months ago
Defining and computing accessibility radius
In structural molecular biology software, the accessibility of an atom in a molecule to a ball representing solvent is either computed slowly by building a solventaccessible surfa...
Vishal Verma, Jack Snoeyink
CCCG
2009
14 years 11 months ago
The Centervertex Theorem for Wedge Depth
There are many depth measures on point sets that yield centerpoint theorems. These theorems guarantee the existence of points of a specified depth, a kind of geometric median. How...
Gary L. Miller, Todd Phillips, Donald Sheehy
CCCG
2009
14 years 11 months ago
Nucleation-free 3D rigidity
All known examples of generic 3D bar-and-joint frameworks where the distance between a non-edge pair is implied by the edges in the graph contain a rigid vertexinduced subgraph. I...
Jialong Cheng, Meera Sitharam, Ileana Streinu
CCCG
2009
14 years 11 months ago
Approximating Maximum Flow in Polygonal Domains using Spanners
We study a maximum flow problem in a polygonal domain P: Determine the maximum number of disjoint "thick" paths (of specified width w) through P from a source edge to a ...
Joondong Kim, Joseph S. B. Mitchell, Jingyu Zou