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SIROCCO
2001
13 years 8 months ago
Competitive Online Routing in Geometric Graphs
We consider online routing algorithms for finding paths between the vertices of plane graphs. Although it has been shown in Bose et al. [4] that there exists no competitive routin...
Prosenjit Bose, Pat Morin
TAMC
2009
Springer
14 years 1 months ago
Approximation and Hardness Results for Label Cut and Related Problems
We investigate a natural combinatorial optimization problem called the Label Cut problem. Given an input graph G with a source s and a sink t, the edges of G are classified into ...
Peng Zhang, Jin-yi Cai, Linqing Tang, Wenbo Zhao
IPL
2007
76views more  IPL 2007»
13 years 7 months ago
Minimum cost subpartitions in graphs
Given an edge-weighted graph G = (V,E), a subset S ⊆ V , an integer k 1 and a real b 0, the minimum subpartition problem asks to find a family of k nonempty disjoint subsets X1...
Hiroshi Nagamochi, Yoko Kamidoi
GLOBECOM
2010
IEEE
13 years 5 months ago
Graph-Based Optimization for Relay-Assisted Bidirectional Cellular Networks
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequency-division mult...
Yuan Liu, Meixia Tao
CDC
2009
IEEE
210views Control Systems» more  CDC 2009»
13 years 5 months ago
On maximum lifetime routing in Wireless Sensor Networks
Abstract-- Lifetime maximization is an important optimization problem specific to Wireless Sensor Networks (WSNs) since they operate with limited energy resources which are therefo...
Xu Ning, Christos G. Cassandras