Sciweavers

841 search results - page 8 / 169
» Approximability of Minimum AND-Circuits
Sort
View
CATS
2006
13 years 9 months ago
On the Approximability of Maximum and Minimum Edge Clique Partition Problems
We consider the following clustering problems: given a general undirected graph, partition its vertices into disjoint clusters such that each cluster forms a clique and the number...
Anders Dessmark, Jesper Jansson, Andrzej Lingas, E...
INFOCOM
2012
IEEE
11 years 10 months ago
On the construction of data aggregation tree with minimum energy cost in wireless sensor networks: NP-completeness and approxima
—In many applications, it is a basic operation for the sink to periodically collect reports from all sensors. Since the data gathering process usually proceeds for many rounds, i...
Tung-Wei Kuo, Ming-Jer Tsai
RANDOM
1999
Springer
13 years 12 months ago
Approximating Minimum Manhattan Networks
Joachim Gudmundsson, Christos Levcopoulos, Giri Na...
MFCS
1998
Springer
13 years 12 months ago
Minimum Propositional Proof Length is NP-Hard to Linearly Approximate
Michael Alekhnovich, Samuel R. Buss, Shlomo Moran,...