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» On Shadows Of Intersecting Families
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IWPEC
2009
Springer
14 years 5 months ago
Even Faster Algorithm for Set Splitting!
In the p-Set Splitting problem we are given a universe U, a family F of subsets of U and a positive integer k and the objective is to find a partition of U into W and B such that...
Daniel Lokshtanov, Saket Saurabh
FSTTCS
2007
Springer
14 years 5 months ago
Triangulations of Line Segment Sets in the Plane
Given a set S of line segments in the plane, we introduce a new family of partitions of the convex hull of S called segment triangulations of S. The set of faces of such a triangul...
Mathieu Brévilliers, Nicolas Chevallier, Do...
FOCS
2003
IEEE
14 years 4 months ago
On Levels in Arrangements of Curves, II: A Simple Inequality and Its Consequences
We give a surprisingly short proof that in any planar arrangement of Ò curves where each pair intersects at most a fixed number (×) of times, the -level has subquadratic (Ç´...
Timothy M. Chan
ASP
2003
Springer
14 years 4 months ago
What's in a model? Epistemological analysis of Logic Programming
It is commonly believed that the meaning of a formal declarative knowledge representation language is determined by its formal semantics. This is not quite so. This paper shows an...
Marc Denecker
EJC
2007
13 years 10 months ago
Partial linear spaces built on hexagons
3 We define four families of geometries with as point graph the graph — or its complement — of all elliptic 4 hyperplanes of a given parabolic quadric in any finite 6-dimensi...
Alice Devillers, Hendrik Van Maldeghem