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» Simple Randomized Algorithms for Closest Pair Problems
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SMA
2009
ACM
134views Solid Modeling» more  SMA 2009»
14 years 3 months ago
Exact Delaunay graph of smooth convex pseudo-circles: general predicates, and implementation for ellipses
We examine the problem of computing exactly the Delaunay graph (and the dual Voronoi diagram) of a set of, possibly intersecting, smooth convex pseudo-circles in the Euclidean pla...
Ioannis Z. Emiris, Elias P. Tsigaridas, George M. ...
JEA
2006
83views more  JEA 2006»
13 years 8 months ago
Cache-Friendly implementations of transitive closure
In this paper we show cache-friendly implementations of the Floyd-Warshall algorithm for the All-Pairs ShortestPath problem. We first compare the best commercial compiler optimiza...
Michael Penner, Viktor K. Prasanna
CEC
2009
IEEE
14 years 3 months ago
Differential Evolution with Laplace mutation operator
— Differential Evolution (DE) is a novel evolutionary approach capable of handling non-differentiable, non-linear and multi-modal objective functions. DE has been consistently ra...
Millie Pant, Radha Thangaraj, Ajith Abraham, Crina...
JCB
1998
105views more  JCB 1998»
13 years 8 months ago
Constructing and Counting Phylogenetic Invariants
Abstract. The method of invariants is an approach to the problem of reconstructing the phylogenetic tree of a collection of m taxa using nucleotide sequence data. Models for the re...
Steven N. Evans, Xiaowen Zhou
ESA
1995
Springer
182views Algorithms» more  ESA 1995»
14 years 2 days ago
A Geometric Approach to Betweenness
An input to the betweenness problem contains m constraints over n real variables (points). Each constraint consists of three points, where one of the points is specified to lie in...
Benny Chor, Madhu Sudan