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LPNMR
2007
Springer
14 years 4 months ago
On the Effectiveness of Looking Ahead in Search for Answer Sets
Abstract. Most complete answer set solvers are based on DPLL. One of the constraint propagation methods is the so-called lookahead, which has been somewhat controversial, due to it...
Guohua Liu, Jia-Huai You
COMBINATORICS
2006
116views more  COMBINATORICS 2006»
13 years 10 months ago
Neighbour-Distinguishing Edge Colourings of Random Regular Graphs
A proper edge colouring of a graph is neighbour-distinguishing if for all pairs of adjacent vertices v, w the set of colours appearing on the edges incident with v is not equal to...
Catherine S. Greenhill, Andrzej Rucinski
ARSCOM
2004
124views more  ARSCOM 2004»
13 years 10 months ago
The Domatic Number of Regular Graphs
The domatic number of a graph G is the maximum number of dominating sets into which the vertex set of G can be partitioned. We show that the domatic number of a random r-regular g...
Peter Dankelmann, Neil J. Calkin
MFCS
2005
Springer
14 years 3 months ago
Autoreducibility, Mitoticity, and Immunity
We show the following results regarding complete sets. • NP-complete sets and PSPACE-complete sets are many-one autoreducible. • Complete sets of any level of PH, MODPH, or th...
Christian Glaßer, Mitsunori Ogihara, Aduri P...
EUSFLAT
2003
121views Fuzzy Logic» more  EUSFLAT 2003»
13 years 11 months ago
A measure of similarity for intuitionistic fuzzy sets
In this article we propose a new measure of similarity for intuitionistic fuzzy sets. The proposed measure takes into account not only a pure distance between elements but measure...
Eulalia Szmidt, Janusz Kacprzyk