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» Hardness Results and Efficient Algorithms for Graph Powers
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MOBIHOC
2004
ACM
15 years 9 months ago
Localized algorithms for energy efficient topology in wireless ad hoc networks
We propose several novel localized algorithms to construct energy efficient routing structures for homogeneous wireless ad hoc networks, where all nodes have same maximum transmis...
Wen-Zhan Song, Yu Wang 0003, Xiang-Yang Li
VLSID
2002
IEEE
192views VLSI» more  VLSID 2002»
15 years 2 months ago
Static and Dynamic Variable Voltage Scheduling Algorithms for Real-Time Heterogeneous Distributed Embedded Systems
à This paper addresses the problem of static and dynamic variable voltage scheduling of multi-rate periodic task graphs (i.e., tasks with precedence relationships) and aperiodic t...
Jiong Luo, Niraj K. Jha
WADS
2007
Springer
91views Algorithms» more  WADS 2007»
15 years 3 months ago
Kernelization and Complexity Results for Connectivity Augmentation Problems
Connectivity augmentation problems ask for adding a set of at most k edges whose insertion makes a given graph satisfy a specified connectivity property, such as bridge-connectivi...
Jiong Guo, Johannes Uhlmann
SODA
2001
ACM
138views Algorithms» more  SODA 2001»
14 years 11 months ago
The diameter of random massive graphs
Many massive graphs (such as the WWW graph and Call graphs) share certain universal characteristics which can be described by so-called the "power law". Here we determin...
Linyuan Lu
APPROX
2009
Springer
126views Algorithms» more  APPROX 2009»
15 years 4 months ago
Improved Inapproximability Results for Maximum k-Colorable Subgraph
We study the maximization version of the fundamental graph coloring problem. Here the goal is to color the vertices of a k-colorable graph with k colors so that a maximum fraction ...
Venkatesan Guruswami, Ali Kemal Sinop