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ALGORITHMICA
2004
130views more  ALGORITHMICA 2004»
14 years 9 months ago
The Power of Priority Algorithms for Facility Location and Set Cover
We apply and extend the priority algorithm framework introduced by Borodin, Nielsen, and Rackoff to define "greedy-like" algorithms for the (uncapacitated) facility locat...
Spyros Angelopoulos, Allan Borodin
IPL
2002
90views more  IPL 2002»
14 years 9 months ago
Recognition and dualization of disguised bidual Horn functions
We consider the problem of dualizing a Boolean function f given by CNF, i.e., computing a CNF for its dual fd . While this problem is not solvable in quasi-polynomial total time i...
Thomas Eiter, Toshihide Ibaraki, Kazuhisa Makino
FSTTCS
2010
Springer
14 years 7 months ago
The effect of girth on the kernelization complexity of Connected Dominating Set
In the Connected Dominating Set problem we are given as input a graph G and a positive integer k, and are asked if there is a set S of at most k vertices of G such that S is a dom...
Neeldhara Misra, Geevarghese Philip, Venkatesh Ram...
STACS
2009
Springer
15 years 4 months ago
Approximating Acyclicity Parameters of Sparse Hypergraphs
The notions of hypertree width and generalized hypertree width were introduced by Gottlob, Leone, and Scarcello in order to extend the concept of hypergraph acyclicity. These noti...
Fedor V. Fomin, Petr A. Golovach, Dimitrios M. Thi...
GC
2010
Springer
14 years 8 months ago
Intriguing Sets of Vertices of Regular Graphs
Intriguing and tight sets of vertices of point-line geometries have recently been studied in the literature. In this paper, we indicate a more general framework for dealing with t...
Bart De Bruyn, Hiroshi Suzuki