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MFCS
2009
Springer
15 years 7 months ago
Parameterized Complexity Classes under Logical Reductions
Abstract. The parameterized complexity classes of the W -hierarchy are usually defined as the problems reducible to certain natural complete problems by means of fixed-parameter ...
Anuj Dawar, Yuguo He
HICSS
2008
IEEE
143views Biometrics» more  HICSS 2008»
15 years 7 months ago
Bounding Prefix Transposition Distance for Strings and Permutations
A transposition is an operation that exchanges two adjacent substrings. When it is restricted so that one of the substrings is a prefix, it is called a prefix transposition. The p...
Bhadrachalam Chitturi, Ivan Hal Sudborough
CIE
2007
Springer
15 years 7 months ago
Nash Stability in Additively Separable Hedonic Games Is NP-Hard
Ballester has shown that the problem of deciding whether a Nash stable partition exists in a hedonic game with arbitrary preferences is NP-complete. In this paper we will prove tha...
Martin Olsen
DAGM
2007
Springer
15 years 7 months ago
Curvature Guided Level Set Registration Using Adaptive Finite Elements
Abstract. We consider the problem of non-rigid, point-to-point registration of two 3D surfaces. To avoid restrictions on the topology, we represent the surfaces as a level-set of t...
Andreas Dedner, Marcel Lüthi, Thomas Albrecht...
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DCOSS
2005
Springer
15 years 6 months ago
A Local Facility Location Algorithm for Sensor Networks
In this paper we address a well-known facility location problem (FLP) in a sensor network environment. The problem deals with finding the optimal way to provide service to a (poss...
Denis Krivitski, Assaf Schuster, Ran Wolff