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MP
2010
13 years 6 months ago
2010
In this paper, we propose lifting techniques for generating strong cuts for nonlinear programs that are globally-valid. The theory is geometric and provides intuition into lifting...
ISBRA
2010
Springer
13 years 5 months ago
2010
Springer
The study of non-sequential alignments, with different connectivity of the aligned fragments in the proteins being compared can offer a more complete picture of the structural, evo...
UM
2010
Springer
13 years 5 months ago
2010
Springer
While browsing the Web, providing profile information in social networking services, or tagging pictures, users leave a plethora of traces. In this paper, we analyze the nature of ...
IOR
2011
13 years 2 months ago
2011
This paper introduces and studies the maximum k-plex problem, which arises in social network analysis and has wider applicability in several important areas employing graph-based ...
MP
2011
13 years 2 months ago
2011
Integer programs defined by two equations with two free integer variables and nonnegative continuous variables have three types of nontrivial facets: split, triangle or quadrilat...