Bandwidth reduction in rectangular grids

We show that the bandwidth of a square twodimensional grid of arbitrary size can be reduced if two (but not less than two) edges are deleted. The two deleted edges may not be chosen arbitrarily, but they may be chosen to share a common endpoint or to be non-adjacent. We also show that the bandwi...

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Bibliographic Details
Date:2007
Main Authors: Andreescu, T., Stromquist, W., Sunic, Z.
Format: Article
Language:English
Published: Інститут прикладної математики і механіки НАН України 2007
Series:Algebra and Discrete Mathematics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/157342
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Bandwidth reduction in rectangular grids / T. Andreescu, W. Stromquist, Z. Sunic // Algebra and Discrete Mathematics. — 2007. — Vol. 6, № 2. — С. 1–15. — Бібліогр.: 3 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Summary:We show that the bandwidth of a square twodimensional grid of arbitrary size can be reduced if two (but not less than two) edges are deleted. The two deleted edges may not be chosen arbitrarily, but they may be chosen to share a common endpoint or to be non-adjacent. We also show that the bandwidth of the rectangular n × m (n ≤ m) grid can be reduced by k, for all k that are sufficiently small, if m − n + 2k edges are deleted.