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FCT
2005
Springer
15 years 3 months ago
Exact Algorithms for Graph Homomorphisms
Graph homomorphism, also called H-coloring, is a natural generalization of graph coloring: There is a homomorphism from a graph G to a complete graph on k vertices if and only if ...
Fedor V. Fomin, Pinar Heggernes, Dieter Kratsch
ICFP
1999
ACM
15 years 2 months ago
Relating Typability and Expressiveness in Finite-Rank Intersection Type Systems (Extended Abstract)
d Abstract) Assaf J. Kfoury∗ Boston University http://www.cs.bu.edu/˜kfoury Harry G. Mairson† Brandeis University http://www.cs.brandeis.edu/˜mairson Franklyn A. Turbak‡ We...
Assaf J. Kfoury, Harry G. Mairson, Franklyn A. Tur...
SIROCCO
2008
14 years 11 months ago
Locating and Repairing Faults in a Network with Mobile Agents
Abstract. We consider a fixed, undirected, known network and a number of "mobile agents" which can traverse the network in synchronized steps. Some nodes in the network m...
Colin Cooper, Ralf Klasing, Tomasz Radzik
COMBINATORICA
2007
126views more  COMBINATORICA 2007»
14 years 10 months ago
Privileged users in zero-error transmission over a noisy channel
The k-th power of a graph G is the graph whose vertex set is V (G)k , where two distinct ktuples are adjacent iff they are equal or adjacent in G in each coordinate. The Shannon ...
Noga Alon, Eyal Lubetzky
JCB
2007
118views more  JCB 2007»
14 years 9 months ago
Discovering Topological Motifs Using a Compact Notation
Discovering topological motifs or common topologies in one or more graphs is an important as well as an interesting problem. It had been classically viewed as the subgraph isomorp...
Laxmi Parida