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STOC
1995
ACM
115views Algorithms» more  STOC 1995»
13 years 11 months ago
Geometric lower bounds for parametric matroid optimization
We relate the sequence of minimum bases of a matroid with linearly varying weights to three problems from combinatorial geometry: k-sets, lower envelopes of line segments, and con...
David Eppstein
SWAT
1994
Springer
86views Algorithms» more  SWAT 1994»
13 years 11 months ago
Sequential and Parallel Algorithms for Embedding Problems on Classes of Partial k-Trees
We present sequential and parallel algorithms for various embedding problems on bounded degree partial k-trees and k-connected partial k-trees these include subgraph isomorphism a...
Arvind Gupta, Naomi Nishimura
TMC
2012
11 years 9 months ago
Fast Data Collection in Tree-Based Wireless Sensor Networks
—We investigate the following fundamental question—how fast can information be collected from a wireless sensor network organized as tree? To address this, we explore and evalu...
Özlem Durmaz Incel, Amitabha Ghosh, Bhaskar K...
DAM
2008
108views more  DAM 2008»
13 years 7 months ago
On the complexity of the multicut problem in bounded tree-width graphs and digraphs
Given an edge- or vertex-weighted graph or digraph and a list of source-sink pairs, the minimum multicut problem consists in selecting a minimum weight set of edges or vertices wh...
Cédric Bentz
NETWORKING
2007
13 years 8 months ago
Construction of a Proxy-Based Overlay Skeleton Tree for Large-Scale Real-Time Group Communications
Abstract. We consider the problem of constructing a proxy-based overlay skeleton tree (POST) in the backbone service domain of a two-tier overlay multicast infrastructure. Spanning...
Jun Guo, Sanjay Jha