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MFCS
2009
Springer
15 years 11 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 11 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
122
Voted
CIE
2007
Springer
15 years 10 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
144
Voted
DAGM
2007
Springer
15 years 10 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...
DCOSS
2005
Springer
15 years 10 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