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124
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ANOR
2007
15 years 4 months ago
2007
We present a new implementation of a widely used swap-based local search procedure for the p-median problem, proposed in 1968 by Teitz and Bart. Our method produces the same outpu...
132
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EJC
2010
15 years 4 months ago
2010
Abstract. In this paper we study dualities of graphs and, more generally, relational structures with respect to full homomorphisms, that is, mappings that are both edge- and non-ed...
118
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EJC
2010
15 years 4 months ago
2010
Let S be a connected graph which contains an induced path of n-1 vertices, where n is the order of S. We consider a puzzle on S. A configuration of the puzzle is simply an n-dimen...
122
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APAL
2006
15 years 4 months ago
2006
We give a short proof of a lemma which generalizes both the main lemma from the original construction in the author's thesis of a model with no 2-Aronszajn trees, and also th...
135
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MMS
2006
15 years 4 months ago
2006
: In order to reduce transmission costs and response time, mobile clients typically cache data locally. But, avoiding the usage of outdated data and maintaining the consistency of ...