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» SNPs Problems, Complexity, and Algorithms
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COMGEO
2004
ACM
15 years 3 months ago
Minimal enclosing parallelepiped in 3D
We investigate the problem of finding a minimal volume parallelepiped enclosing a given set of n threedimensional points. We give two mathematical properties of these parallelepip...
Frédéric Vivien, Nicolas Wicker
ITA
2002
163views Communications» more  ITA 2002»
15 years 3 months ago
Permissive strategies: from parity games to safety games
It is proposed to compare strategies in a parity game by comparing the sets of behaviours they allow. For such a game, there may be no winning strategy that encompasses all the be...
Julien Bernet, David Janin, Igor Walukiewicz
WINET
2002
103views more  WINET 2002»
15 years 3 months ago
LeZi-Update: An Information-Theoretic Framework for Personal Mobility Tracking in PCS Networks
The complexity of the mobility tracking problem in a cellular environment has been characterized under an information-theoretic framework. Shannon's entropy measure is identif...
Amiya Bhattacharya, Sajal K. Das
GLOBECOM
2010
IEEE
15 years 1 months ago
Joint Rate Control and Spectrum Allocation under Packet Collision Constraint in Cognitive Radio Networks
Abstract-- We study joint rate control and resource allocation with QoS provisioning that maximizes the total utility of secondary users in cognitive radio networks. We formulate a...
Nguyen H. Tran, Choong Seon Hong
SWAT
2010
Springer
294views Algorithms» more  SWAT 2010»
15 years 1 months ago
Bin Packing with Fixed Number of Bins Revisited
As Bin Packing is NP-hard already for k = 2 bins, it is unlikely to be solvable in polynomial time even if the number of bins is a fixed constant. However, if the sizes of the item...
Klaus Jansen, Stefan Kratsch, Dániel Marx, ...