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» On the Cayley isomorphism problem
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IJCAI
2007
13 years 11 months ago
Backtracking Procedures for Hypertree, HyperSpread and Connected Hypertree Decomposition of CSPs
Hypertree decomposition has been shown to be the most general CSP decomposition method. However, so far the exact methods are not able to find optimal hypertree decompositions of...
Sathiamoorthy Subbarayan, Henrik Reif Andersen
CGF
2008
110views more  CGF 2008»
13 years 9 months ago
Motorcycle Graphs: Canonical Quad Mesh Partitioning
We describe algorithms for canonically partitioning semi-regular quadrilateral meshes into structured submeshes, using an adaptation of the geometric motorcycle graph of Eppstein ...
David Eppstein, Michael T. Goodrich, Ethan Kim, Ra...
GC
2007
Springer
13 years 9 months ago
Rainbows in the Hypercube
Let Qn be a hypercube of dimension n, that is, a graph whose vertices are binary n-tuples and two vertices are adjacent iff the corresponding n-tuples differ in exactly one posit...
Maria Axenovich, Heiko Harborth, Arnfried Kemnitz,...
CORR
2002
Springer
123views Education» more  CORR 2002»
13 years 9 months ago
Ideal decompositions and computation of tensor normal forms
Abstract. Symmetry properties of r-times covariant tensors T can be described by certain linear subspaces W of the group ring K[Sr] of a symmetric group Sr. If for a class of tenso...
Bernd Fiedler
PR
2010
160views more  PR 2010»
13 years 8 months ago
Homeomorphic alignment of weighted trees
Motion capture, a currently active research area, needs estimation of the pose of the subject. For this purpose, we match the tree representation of the skeleton of the 3D shape t...
Benjamin Raynal, Michel Couprie, Venceslas Biri