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» Self-complementary circulant graphs
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82
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CVPR
2011
IEEE
14 years 5 months ago
Contour cut: identifying salient contours in images by solving a Hermitian eigenvalue problem
The problem of finding one-dimensional structures in images and videos can be formulated as a problem of searching for cycles in graphs. In [11], an untangling-cycle cost functio...
Ryan Kennedy, Jean Gallier, Jianbo Shi
80
Voted
TC
1998
14 years 9 months ago
Optimal Elections in Faulty Loop Networks and Applications
—Loop networks (or Hamiltonian circulant graphs) are a popular class of fault-tolerant network topologies which include rings and complete graphs. For this class, the fundamental...
Bernard Mans, Nicola Santoro
STOC
2009
ACM
144views Algorithms» more  STOC 2009»
15 years 10 months ago
Homology flows, cohomology cuts
We describe the first algorithm to compute maximum flows in surface-embedded graphs in near-linear time. Specifically, given a graph embedded on a surface of genus g, with two spe...
Erin W. Chambers, Jeff Erickson, Amir Nayyeri
83
Voted
IPPS
2009
IEEE
15 years 4 months ago
Toward adjoinable MPI
4 Automatic differentiation is the primary means of obtaining analytic5 derivatives from a numerical model given as a computer program. There-6 fore, it is an essential productivi...
Jean Utke, Laurent Hascoët, Patrick Heimbach,...
71
Voted
JGT
2010
103views more  JGT 2010»
14 years 8 months ago
Proof of a conjecture on fractional Ramsey numbers
: Jacobson, Levin, and Scheinerman introduced the fractional Ramsey function rf (a1,a2, ...,ak) as an extension of the classical definition for Ramsey numbers. They determined an e...
Jason Brown, Richard Hoshino