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Data envelopment analysis : an overview
Ray, Subhash C., (2014)
The role of hubs and economies of scale in network expansion
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The hierarchical multimodal hub location problem for cross-border logistics networks considering multiple capacity levels, congestion and economies of scale
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Parabolic target space and primal-dual interior-point methods
Nesterov, Jurij Evgenʹevič, (1998)
Quality of semidefinite relaxation for nonconvex quadratic optimization
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Semidefinite relaxation and nonconvex quadratic optimization