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FOCS
2009
IEEE
15 years 10 months ago
Faster Generation of Random Spanning Trees
In this paper, we set forth a new algorithm for generating approximately uniformly random spanning trees in undirected graphs. We show how to sample from a distribution that is wi...
Jonathan A. Kelner, Aleksander Madry
JCT
2007
107views more  JCT 2007»
15 years 3 months ago
On a conjecture of Wilf
Abstract. Let n and k be natural numbers and let S(n, k) denote the Stirling numbers of the second kind. It is a conjecture of Wilf that the alternating sum nX j=0 (−1)j S(n, j) ...
Stefan De Wannemacker, Thomas Laffey, Robert Osbur...
WG
2005
Springer
15 years 9 months ago
Faster Dynamic Algorithms for Chordal Graphs, and an Application to Phylogeny
We improve the current complexities for maintaining a chordal graph by starting with an empty graph and repeatedly adding or deleting edges.
Anne Berry, Alain Sigayret, Jeremy Spinrad
JCT
2007
111views more  JCT 2007»
15 years 3 months ago
Removing even crossings
An edge in a drawing of a graph is called even if it intersects every other edge of the graph an even number of times. Pach and T´oth proved that a graph can always be redrawn so...
Michael J. Pelsmajer, Marcus Schaefer, Daniel Stef...
IEEECIT
2010
IEEE
15 years 2 months ago
CFCSS without Aliasing for SPARC Architecture
With the increasing popularity of COTS (commercial off the shelf) components and multi-core processor in space and aviation applications, software fault tolerance becomes attracti...
Chao Wang, Zhongchuan Fu, Hongsong Chen, Wei Ba, B...