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ALGORITHMICA
2011
13 years 1 months ago
Crossing Numbers of Graphs with Rotation Systems
We show that computing the crossing number and the odd crossing number of a graph with a given rotation system is NP-complete. As a consequence we can show that many of the well-k...
Michael J. Pelsmajer, Marcus Schaefer, Daniel Stef...
COMSWARE
2007
IEEE
13 years 10 months ago
On Configuring BGP Route Reflectors
The Border Gateway Protocol (BGP) is the standard protocol for exchanging routing information between border routers of Autonomous Systems (ASes) in today's Internet. Within a...
Yuri Breitbart, Minos N. Garofalakis, Anupam Gupta...
PAMI
2006
168views more  PAMI 2006»
13 years 6 months ago
Graphical Models and Point Pattern Matching
This paper describes a novel solution to the rigid point pattern matching problem in Euclidean spaces of any dimension. Although we assume rigid motion, jitter is allowed. We pres...
Tibério S. Caetano, Terry Caelli, Dale Schu...
GLOBECOM
2006
IEEE
14 years 25 days ago
Distributed Formation of Overlapping Multi-hop Clusters in Wireless Sensor Networks
– Clustering is a standard approach for achieving efficient and scalable performance in wireless sensor networks. Most of the published clustering algorithms strive to generate t...
Adel M. Youssef, Mohamed F. Younis, Moustafa Youss...
CPM
2000
Springer
105views Combinatorics» more  CPM 2000»
13 years 11 months ago
Structural Properties and Tractability Results for Linear Synteny
The syntenic dista nce between two species is the minimum number of fusions, fissions, and translocations required to transform one genome into the other. The linear syntenic dis...
David Liben-Nowell, Jon M. Kleinberg