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» A new upper bound on the cyclic chromatic number
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COMGEO
2011
ACM
14 years 6 months ago
Improved bounds for cops-and-robber pursuit
We prove that n cops can capture (that is, some cop can get less than unit distance from) a robber in a continuous square region with side length less than √ 5n and hence that n/...
Laurent Alonso, Edward M. Reingold
CORR
2007
Springer
149views Education» more  CORR 2007»
14 years 11 months ago
Graph Entropy, Network Coding and Guessing games
We introduce the (private) entropy of a directed graph (in a new network coding sense) as well as a number of related concepts. We show that the entropy of a directed graph is ide...
Søren Riis
MOBIHOC
2007
ACM
15 years 11 months ago
Approximation algorithms for longest-lived directional multicast communications in WANETs
Several centralized and distributed algorithms have been recently proposed to maximize the multicast lifetime for directional communications in wireless ad-hoc networks. Their per...
Song Guo, Oliver W. W. Yang, Victor C. M. Leung
ISMVL
2007
IEEE
94views Hardware» more  ISMVL 2007»
15 years 6 months ago
Representations of Elementary Functions Using Edge-Valued MDDs
This paper proposes a method to represent elementary functions such as trigonometric, logarithmic, square root, and reciprocal functions using edge-valued multi-valued decision di...
Shinobu Nagayama, Tsutomu Sasao
GLVLSI
2002
IEEE
109views VLSI» more  GLVLSI 2002»
15 years 4 months ago
Minimizing resources in a repeating schedule for a split-node data-flow graph
Many computation-intensive or recursive applications commonly found in digital signal processing and image processing applications can be represented by data-flow graphs (DFGs). ...
Timothy W. O'Neil, Edwin Hsing-Mean Sha