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CCCG
2009
13 years 5 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
CCCG
2009
13 years 5 months ago
Minimizing Slope Change in Imprecise 1.5D terrains
Chris Gray, Maarten Löffler, Rodrigo I. Silve...
CCCG
2009
13 years 5 months ago
Generalized jewels and the point placement problem
The point placement problem is to determine the positions of a linear set of points, P = {p1, p2, p3, . . . , pn}, uniquely, up to translation and reflection, from the fewest poss...
Md. Shafiul Alam, Asish Mukhopadhyay, Animesh Sark...
CCCG
2009
13 years 5 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
13 years 5 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
13 years 5 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
13 years 5 months ago
On the Dilation of Delaunay Triangulations of Points in Convex Position
Let S be a finite set of points in the Euclidean plane, and let E be the complete graph whose point-set is S. Chew, in 1986, proved a lower bound of /2 on the stretch factor of th...
Shiliang Cui, Iyad A. Kanj, Ge Xia
CCCG
2009
13 years 5 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