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IPL
2008
129views more  IPL 2008»
13 years 4 months ago
Parameterized approximation of dominating set problems
A problem open for many years is whether there is an FPT algorithm that given a graph G and parameter k, either: (1) determines that G has no k-Dominating Set, or (2) produces a do...
Rodney G. Downey, Michael R. Fellows, Catherine Mc...
IPL
2008
53views more  IPL 2008»
13 years 4 months ago
Anonymous graph exploration without collision by mobile robots
Roberto Baldoni, François Bonnet, Alessia M...
IPL
2008
82views more  IPL 2008»
13 years 4 months ago
A note on the distribution of the number of prime factors of the integers
The Chernoff-Hoeffding bounds are fundamental probabilistic tools. An elementary approach is presented to obtain a Chernoff-type upper-tail bound for the number of prime factors o...
Aravind Srinivasan
IPL
2008
114views more  IPL 2008»
13 years 4 months ago
Cyclic reference counting
: Reference Counting is the memory management technique of most widespread use today. Very often applications handle objects that are either permanent or get tenured. This paper us...
Rafael Dueire Lins
IPL
2008
84views more  IPL 2008»
13 years 4 months ago
The equational theory of prebisimilarity over basic CCS with divergence
This paper studies the equational theory of prebisimilarity, a bisimulation-based preorder introduced by Hennessy and Milner in the early 1980s, over basic CCS with the divergent ...
Luca Aceto, Silvio Capobianco, Anna Ingólfs...
IPL
2008
87views more  IPL 2008»
13 years 4 months ago
Optimal prefix and suffix queries on texts
Abstract. In this paper, we study a restricted version of the position restricted pattern matching problem introduced and studied M
Maxime Crochemore, Costas S. Iliopoulos, Mohammad ...
IPL
2008
135views more  IPL 2008»
13 years 4 months ago
On the Positive-Negative Partial Set Cover problem
The Positive-Negative Partial Set Cover problem is introduced and its complexity, especially the hardness-of-approximation, is studied. The problem generalizes the Set Cover probl...
Pauli Miettinen
IPL
2008
78views more  IPL 2008»
13 years 4 months ago
An approximation ratio for biclustering
The problem of biclustering consists of the simultaneous clustering of rows and columns of a matrix such that each of the submatrices induced by a pair of row and column clusters ...
Kai Puolamäki, Sami Hanhijärvi, Gemma C....
IPL
2008
128views more  IPL 2008»
13 years 4 months ago
About acyclic edge colourings of planar graphs
Anna Fiedorowicz, Mariusz Haluszczak, Narayanan Na...