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Square-root rule of two-dimensional bandwidth problem∗

Published online by Cambridge University Press:  22 September 2011

Lan Lin  and
Yixun Lin
Lan Lin
Affiliation:
School of Electronics and Information Engineering, Tongji University, Shanghai 200092, P.R. China The Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education, Guilin University of Electronic Technology, Guilin 541004, P.R. China
Yixun Lin
Affiliation:
Department of Mathematics, Zhengzhou University, Zhengzhou 450052, P.R. China. [email protected]
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Abstract

The bandwidth minimization problem is of significance in network communication and related areas. Let G be a graph of n vertices. The two-dimensional bandwidth B2(G) of G is the minimum value of the maximum distance between adjacent vertices when G is embedded into an n × n grid in the plane. As a discrete optimization problem, determining B2(G) is NP-hard in general. However, exact results for this parameter can be derived for some special classes of graphs. This paper studies the “square-root rule” of the two-dimensional bandwidth, which is useful in evaluating B2(G) for some typical graphs.

Keywords

Network layouttwo-dimensional bandwidthlower and upper boundsoptimal embedding.
Type
Research Article
Information
RAIRO - Theoretical Informatics and Applications , Volume 45 , Issue 4 , November 2011 , pp. 399 - 411
Copyright
© EDP Sciences 2011

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