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STACS
2010
Springer
15 years 11 months ago
Log-space Algorithms for Paths and Matchings in k-trees
Reachability and shortest path problems are NL-complete for general graphs. They are known to be in L for graphs of tree-width 2 [14]. However, for graphs of treewidth larger than ...
Bireswar Das, Samir Datta, Prajakta Nimbhorkar
CCIA
2006
Springer
15 years 8 months ago
Learning from cooperation using justifications
In multi-agent systems, individual problem solving capabilities can be improved thanks to the interaction with other agents. In the classification problem solving task each agent i...
Eloi Puertas, Eva Armengol
ALGORITHMICA
2010
111views more  ALGORITHMICA 2010»
15 years 4 months ago
Three-Sided Stable Matchings with Cyclic Preferences
Knuth [14] asked whether the stable matching problem can be generalised to three dimensions i. e., for families containing a man, a woman and a dog. Subsequently, several authors ...
Péter Biró, Eric McDermid
ISAAC
2010
Springer
277views Algorithms» more  ISAAC 2010»
15 years 2 months ago
Induced Subgraph Isomorphism on Interval and Proper Interval Graphs
The Induced Subgraph Isomorphism problem on two input graphs G and H is to decide whether G has an induced subgraph isomorphic to H. Already for the restricted case where H is a c...
Pinar Heggernes, Daniel Meister, Yngve Villanger
CONCUR
2004
Springer
15 years 9 months ago
Characterizing EF and EX Tree Logics
We describe the expressive power of temporal branching time logics that use the modalities EX and EF. We give a forbidden pattern characterization of the tree languages definable...
Mikolaj Bojanczyk, Igor Walukiewicz