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IJON
2008
106views more  IJON 2008»
13 years 10 months ago
Approximation to the Fisher-Rao metric for the focus of expansion
The Fisher-Rao metric for the focus of expansion is approximated, under the assumption that the focus is estimated from correspondences between two images taken by a translating ca...
Stephen J. Maybank
JSCIC
2008
98views more  JSCIC 2008»
13 years 10 months ago
A Posteriori Error Estimates for Parabolic Variational Inequalities
We study a posteriori error estimates in the energy norm for some parabolic obstacle problems discretized with a Euler implicit time scheme combined with a finite element spatial ...
Yves Achdou, Frédéric Hecht, David P...
JCT
2006
51views more  JCT 2006»
13 years 10 months ago
Left cells containing a fully commutative element
Let W be a finite or an affine Coxeter group and Wc the set of all the fully commutative elements in W. For any left cell L of W containing some fully commutative element, our main...
Jian-Yi Shi
JUCS
2006
97views more  JUCS 2006»
13 years 10 months ago
An Interval Constraint Branching Scheme for Lattice Domains
This paper presents a parameterized schema for interval constraint branching that (with suitable instantiations of the parameters) can solve interval constraint satisfaction probl...
Antonio J. Fernández, Patricia M. Hill
SIGACT
2008
103views more  SIGACT 2008»
13 years 10 months ago
Computational geometry column 50
Two long-open problems have been solved: (1) every sufficiently large planar point set in general position contains the vertices of an empty hexagon; (2) every finite collection o...
Joseph O'Rourke