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155
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DM
2010
15 years 7 months ago
2010
A graph G is loosely-c-connected, or -c-connected, if there exists a number d depending on G such that the deletion of fewer than c vertices from G leaves precisely one infinite co...
254
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CORR
2006
Springer
15 years 7 months ago
2006
Springer
We first formulate the problem of optimally scheduling air traffic low with sector capacity constraints as a mixed integer linear program. We then use semidefinite relaxation tech...
134
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DM
2006
15 years 7 months ago
2006
Abstract. We present some simple observations on factors of the qbinomial coefficients, the q-Catalan numbers, and the q-multinomial coefficients. Writing the Gaussian coefficient ...
208
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CORR
2007
Springer
15 years 7 months ago
2007
Springer
Given multivariate time series, we study the problem of forming portfolios with maximum mean reversion while constraining the number of assets in these portfolios. We show that it...
175
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JSYML
2008
15 years 7 months ago
2008
Using a dictionary translating a variety of classical and modern covering properties into combinatorial properties of continuous images, we get a simple way to understand the inter...