216 search results - page 15 / 44 » Exact Algorithms for L (2, 1)-Labeling of Graphs |
ISAAC
2005
Springer
14 years 1 months ago
2005
Springer
We present an expected polynomial time algorithm to generate a 2-connected unlabeled planar graph uniformly at random. To do this we first derive recurrence formulas to count the ...
CORR
2011
Springer
12 years 11 months ago
2011
Springer
We present an approximation scheme for optimizing certain Quadratic Integer Programming problems with positive semidefinite objective functions and global linear constraints. Thi...
WG
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Assume that each vertex of a graph G is assigned a nonnegative integer weight and that l and u are nonnegative integers. One wish to partition G into connected components...
SODA
2007
ACM
13 years 9 months ago
2007
ACM
We obtain the first approximation algorithm for finding the k-simple shortest paths connecting a pair of vertices in a weighted directed graph. Our algorithm is deterministic an...
STOC
1990
ACM
13 years 11 months ago
1990
ACM
ions (Extended Abstract) Noga Alon Paul Seymour Robin Thomas Let G be an n-vertex graph with nonnegative weights whose sum is 1 assigned to its vertices, and with no minor isomorp...