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» Tutte sets in graphs II: The complexity of finding maximum T...
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DAM
2007
47views more  DAM 2007»
14 years 10 months ago
Tutte sets in graphs II: The complexity of finding maximum Tutte sets
Douglas Bauer, Hajo Broersma, Nathan Kahl, Aurora ...
COMBINATORICS
1999
90views more  COMBINATORICS 1999»
14 years 10 months ago
On the Theory of Pfaffian Orientations. II. T-joins, k-cuts, and Duality of Enumeration
This is a continuation of our paper "A Theory of Pfaffian Orientations I: Perfect Matchings and Permanents". We present a new combinatorial way to compute the generating...
Anna Galluccio, Martin Loebl
88
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CORR
2007
Springer
132views Education» more  CORR 2007»
14 years 10 months ago
Nodally 3-connected planar graphs and convex combination mappings
A barycentric mapping of a planar graph is a plane embedding in which every internal vertex is the average of its neighbours. A celebrated result of Tutte’s [16] is that if a pl...
Colm Ó'Dúnlaing
JGAA
2006
127views more  JGAA 2006»
14 years 10 months ago
A New Algorithm for Finding Minimal Cycle-Breaking Sets of Turns in a Graph
We consider the problem of constructing a minimal cycle-breaking set of turns for a given undirected graph. This problem is important for deadlock-free wormhole routing in compute...
Lev B. Levitin, Mark G. Karpovsky, Mehmet Mustafa,...
NIPS
2003
14 years 12 months ago
Minimax Embeddings
Spectral methods for nonlinear dimensionality reduction (NLDR) impose a neighborhood graph on point data and compute eigenfunctions of a quadratic form generated from the graph. W...
Matthew Brand