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» A Note on Graph Pebbling
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PODS
2006
ACM
104views Database» more  PODS 2006»
14 years 7 months ago
Tractable database design through bounded treewidth
Given that most elementary problems in database design are NP-hard, the currently used database design algorithms produce suboptimal results. For example, the current 3NF decompos...
Georg Gottlob, Reinhard Pichler, Fang Wei
GD
2004
Springer
14 years 1 months ago
No-Three-in-Line-in-3D
The no-three-in-line problem, introduced by Dudeney in 1917, asks for the maximum number of points in the n × n grid with no three points collinear. In 1951, Erd¨os proved that t...
Attila Pór, David R. Wood
AFP
1995
Springer
125views Formal Methods» more  AFP 1995»
13 years 11 months ago
Merging Monads and Folds for Functional Programming
Abstract. These notes discuss the simultaneous use of generalised fold operators and monads to structure functional programs. Generalised fold operators structure programs after th...
Erik Meijer, Johan Jeuring
DM
2010
103views more  DM 2010»
13 years 7 months ago
Rainbow paths
A k-rainbow path in a graph with colored edges is a path of length k where each edge has a different color. In this note, we settle the problem of obtaining a constructive k-colori...
Domingos Dellamonica Jr., Colton Magnant, Daniel M...
DAM
2008
103views more  DAM 2008»
13 years 7 months ago
Crown reductions for the Minimum Weighted Vertex Cover problem
The paper studies crown reductions for the Minimum Weighted Vertex Cover problem introduced recently in the unweighted case by Fellows et al. [Blow-Ups, Win/Win's and crown r...
Miroslav Chlebík, Janka Chlebíkov&aa...