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COMPGEOM
2010
ACM
14 years 13 days ago
Finding shortest non-trivial cycles in directed graphs on surfaces
Let D be a weighted directed graph cellularly embedded in a surface of genus g, orientable or not, possibly with boundary. We describe algorithms to compute a shortest non-contrac...
Sergio Cabello, Éric Colin de Verdiè...
STOC
2009
ACM
168views Algorithms» more  STOC 2009»
14 years 8 months ago
Fault-tolerant spanners for general graphs
The paper concerns graph spanners that are resistant to vertex or edge failures. Given a weighted undirected n-vertex graph G = (V, E) and an integer k 1, the subgraph H = (V, E ...
Shiri Chechik, Michael Langberg, David Peleg, Liam...
PODC
2005
ACM
14 years 28 days ago
Primal-dual based distributed algorithms for vertex cover with semi-hard capacities
In this paper we consider the weighted, capacitated vertex cover problem with hard capacities (capVC). Here, we are given an undirected graph G = (V, E), non-negative vertex weigh...
Fabrizio Grandoni, Jochen Könemann, Alessandr...
DATE
2009
IEEE
102views Hardware» more  DATE 2009»
14 years 2 months ago
Register placement for high-performance circuits
—In modern sub-micron design, achieving low-skew clock distributions is facing challenges for high-performance circuits. Symmetric global clock distribution and clock tree synthe...
Mei-Fang Chiang, Takumi Okamoto, Takeshi Yoshimura
ICGA
1993
296views Optimization» more  ICGA 1993»
13 years 8 months ago
A Genetic Algorithm Applied to the Maximum Flow Problem
A genetic algorithms is applied to find a maximum flow from the source to sink in a weighted directed graph, where the weight associated with each edge represents its flow capacit...
Toshinori Munakata, David J. Hashier