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» New Lower Bounds for Heilbronn Numbers
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CORR
2010
Springer
100views Education» more  CORR 2010»
13 years 5 months ago
Real-Time Sorting of Binary Numbers on One-Dimensional CA
A new fast (real time) sorter of binary numbers by one-dimensional cellular automata is proposed. It sorts a list of n numbers represented by k-bits each in exactly nk steps. This ...
Thomas Worsch, Hidenosuke Nishio
CPAIOR
2005
Springer
14 years 1 months ago
Filtering Algorithms for the NValue Constraint
Abstract. The NValue constraint counts the number of different values assigned to a vector of variables. Propagating generalized arc consistency on this constraint is NP-hard. We ...
Christian Bessière, Emmanuel Hebrard, Brahi...
EUROPAR
2005
Springer
14 years 1 months ago
New Bounds on the Competitiveness of Randomized Online Call Control in Cellular Networks
Abstract. We address the call control problem in wireless cellular networks that utilize Frequency Division Multiplexing (FDM) technology. In such networks, many users within the s...
Ioannis Caragiannis, Christos Kaklamanis, Evi Papa...
JCT
2007
146views more  JCT 2007»
13 years 7 months ago
Laplacian spectral bounds for clique and independence numbers of graphs
Let G be a simple graph with n vertices and m edges. Let ω(G) and α(G) be the numbers of vertices of the largest clique and the largest independent set in G, respectively. In th...
Mei Lu, Huiqing Liu, Feng Tian
EUROCRYPT
2003
Springer
14 years 25 days ago
New Bounds in Secret-Key Agreement: The Gap between Formation and Secrecy Extraction
Perfectly secret message transmission can be realized with only partially secret and weakly correlated information shared by the parties as soon as this information allows for the ...
Renato Renner, Stefan Wolf