2520 search results - page 37 / 504 » The complexity of approximating entropy |
MST
2007
14 years 9 months ago
2007
In 1996, Khanna and Motwani [KM96] proposed three logic-based optimization problems constrained by planar structure, and offered the hypothesis that these putatively fundamental ...
TAMC
2007
Springer
15 years 4 months ago
2007
Springer
Abstract. We develop a refinement of a forbidden submatrix characterization of 0/1-matrices fulfilling the Consecutive Ones Property (C1P). This novel characterization finds app...
CC
2006
Springer
14 years 10 months ago
2006
Springer
Given a k-uniform hypergraph, the Maximum k-Set Packing problem is to find the maximum disjoint set of edges. We prove that this problem cannot be efficiently approximated to with...
SOFSEM
2009
Springer
15 years 6 months ago
2009
Springer
During the last years, speed-up techniques for DIJKSTRA’s algorithm have been developed that make the computation of shortest paths a matter of microseconds even on huge road net...
ICTCS
2005
Springer
15 years 3 months ago
2005
Springer
Given a vertex-weighted graph G = (V, E; w), w(v) ≥ 0 for any v ∈ V , we consider a weighted version of the coloring problem which consists in finding a partition S = (S1, . ...