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COMPSYSTECH
2011
12 years 8 months ago
Encoding watermark numbers as cographs using self-inverting permutations
Abstract. In a software watermarking environment, several graph theoretic watermark methods encode the watermark values as graph structures and embed them in application programs. ...
Maria Chroni, Stavros D. Nikolopoulos
GD
2007
Springer
14 years 2 months ago
Improvement on the Decay of Crossing Numbers
We prove that the crossing number of a graph decays in a “continuous fashion” in the following sense. For any ε > 0 there is a δ > 0 such that for n sufficiently large...
Jakub Cerný, Jan Kyncl, Géza T&oacut...
CG
2008
Springer
13 years 10 months ago
About the Completeness of Depth-First Proof-Number Search
Abstract. Depth-first proof-number (df-pn) search is a powerful member of the family of algorithms based on proof and disproof numbers. While df-pn has succeeded in practice, its t...
Akihiro Kishimoto, Martin Müller 0003
JCT
2006
168views more  JCT 2006»
13 years 8 months ago
Mono-multi bipartite Ramsey numbers, designs, and matrices
Eroh and Oellermann defined BRR(G1, G2) as the smallest N such that any edge coloring of the complete bipartite graph KN,N contains either a monochromatic G1 or a multicolored G2....
Paul N. Balister, András Gyárf&aacut...
CIE
2007
Springer
14 years 3 months ago
The Complexity Ecology of Parameters: An Illustration Using Bounded Max Leaf Number
In the framework of parameterized complexity, exploring how one parameter affects the complexity of a different parameterized (or unparameterized problem) is of general interest....
Michael R. Fellows, Frances A. Rosamond