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ICPR
2004
IEEE
16 years 5 months ago
Graph Method for Generating Affine Moment Invariants
A general method of systematic derivation of affine moment invariants of any weights and orders is introduced. Each invariant is expressed by its generating graph. Techniques for ...
Jan Flusser, Tomás Suk
APPROX
2010
Springer
189views Algorithms» more  APPROX 2010»
15 years 4 months ago
Approximating Sparsest Cut in Graphs of Bounded Treewidth
We give the first constant-factor approximation algorithm for Sparsest-Cut with general demands in bounded treewidth graphs. In contrast to previous algorithms, which rely on the f...
Eden Chlamtac, Robert Krauthgamer, Prasad Raghaven...
CPC
2006
72views more  CPC 2006»
15 years 4 months ago
Parametrized Tutte Polynomials of Graphs and Matroids
We generalize and unify results on parametrized and coloured Tutte polynomials of graphs and matroids due to Zaslavsky [Trans. Amer. Math. Soc. 334 (1992), 317-347] and Bollob
Joanna A. Ellis-Monaghan, Lorenzo Traldi
JCT
2008
120views more  JCT 2008»
15 years 4 months ago
Approximate min-max theorems for Steiner rooted-orientations of graphs and hypergraphs
Given an undirected hypergraph and a subset of vertices S V with a specified root vertex r S, the STEINER ROOTED-ORIENTATION problem is to find an orientation of all the hypered...
Tamás Király, Lap Chi Lau
ORDER
2008
91views more  ORDER 2008»
15 years 4 months ago
Construction of Some Uncountable 2-Arc-Transitive Bipartite Graphs
We give various constructions of uncountable arc-transitive bipartite graphs employing techniques from partial orders, starting with the cyclefree case, but generalizing to cases ...
Manfred Droste, Robert Gray, John K. Truss