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SODA
2012
ACM
225views Algorithms» more  SODA 2012»
11 years 6 months ago
Approximating rooted Steiner networks
The Directed Steiner Tree (DST) problem is a cornerstone problem in network design. We focus on the generalization of the problem with higher connectivity requirements. The proble...
Joseph Cheriyan, Bundit Laekhanukit, Guyslain Nave...
EOR
2008
136views more  EOR 2008»
13 years 4 months ago
Complexity and exact algorithms for vertex multicut in interval and bounded treewidth graphs
Multicut is a fundamental network communication and connectivity problem. It is defined as: given an undirected graph and a collection of pairs of terminal vertices, find a minimu...
Jiong Guo, Falk Hüffner, Erhan Kenar, Rolf Ni...
CIAC
2006
Springer
106views Algorithms» more  CIAC 2006»
13 years 8 months ago
On the Hardness of Range Assignment Problems
We investigate the computational hardness of the Connectivity, the Strong Connectivity and the Broadcast type of Range Assignment Problems in R2 and R3. We present new reductions ...
Bernhard Fuchs
CLUSTER
2005
IEEE
13 years 10 months ago
A Generic Proxy Mechanism for Secure Middlebox Traversal
Firewalls/NATs have brought significant connectivity problems along with their benefits, causing many applications to break or become inefficient. Due to its bi-directional commun...
Se-Chang Son, Matthew Farrellee, Miron Livny
MICCAI
2005
Springer
14 years 5 months ago
A Physical Model for DT-MRI Based Connectivity Map Computation
In this study we address the problem of extracting a robust connectivity metric for brain white matter. We defined the connectivity problem as an energy minimization task, by assoc...
Burak Acar, Erdem Yörük, Roland Bammer