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» The Geometry of Coin-Weighing Problems
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TIT
2008
83views more  TIT 2008»
13 years 7 months ago
Hard Problems of Algebraic Geometry Codes
The minimum distance is one of the most important combinatorial characterizations of a code. The maximum likelihood decoding problem is one of the most important algorithmic proble...
Qi Cheng
CCCG
2008
13 years 9 months ago
Application of computational geometry to network p-center location problems
In this paper we showed that a p( 2)-center location problem in general networks can be transformed to the well known Klee's measure problem [5]. This resulted in an improved...
Qiaosheng Shi, Binay K. Bhattacharya
IPCO
2008
91views Optimization» more  IPCO 2008»
13 years 9 months ago
New Geometry-Inspired Relaxations and Algorithms for the Metric Steiner Tree Problem
Abstract. Determining the integrality gap of the bidirected cut relaxation for the metric Steiner tree problem, and exploiting it algorithmically, is a long-standing open problem. ...
Deeparnab Chakrabarty, Nikhil R. Devanur, Vijay V....
JCT
2007
95views more  JCT 2007»
13 years 7 months ago
Codegree problems for projective geometries
The codegree density γ(F) of an r-graph F is the largest number γ such that there are F-free r-graphs G on n vertices such that every set of r−1 vertices is contained in at le...
Peter Keevash, Yi Zhao
IJBC
2007
74views more  IJBC 2007»
13 years 7 months ago
Geometry of homoclinic Connections in a Planar Circular Restricted Three-Body Problem
Abstract. The stable and unstable invariant manifolds associated with Lyapunov orbits about the libration point L1 between the primaries in the planar circular restricted three-bod...
Marian Gidea, Josep J. Masdemont