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JCO
2006
96views more  JCO 2006»
13 years 7 months ago
One-dimensional optimal bounded-shape partitions for Schur convex sum objective functions
Consider the problem of partitioning n nonnegative numbers into p parts, where part i can be assigned ni numbers with ni lying in a given range. The goal is to maximize a Schur con...
F. H. Chang, H. B. Chen, J. Y. Guo, Frank K. Hwang...
ECCC
2007
71views more  ECCC 2007»
13 years 7 months ago
Inverse Conjecture for the Gowers norm is false
Let p be a fixed prime number, and N be a large integer. The ’Inverse Conjecture for the Gowers norm’ states that if the ”d-th Gowers norm” of a function f : FN p → F i...
Shachar Lovett, Roy Meshulam, Alex Samorodnitsky
EOR
2007
101views more  EOR 2007»
13 years 7 months ago
Using aggregation to optimize long-term production planning at an underground mine
Motivated by an underground mining operation at Kiruna, Sweden, we formulate a mixed integer program to schedule iron ore production over multiple time periods. Our optimization m...
Alexandra M. Newman, Mark Kuchta
MP
2006
120views more  MP 2006»
13 years 7 months ago
Lot-sizing with production and delivery time windows
We study two different lot-sizing problems with time windows that have been proposed recently. For the case of production time windows, in which each client specific order must be ...
Laurence A. Wolsey
SIAMDM
2008
97views more  SIAMDM 2008»
13 years 7 months ago
Disjoint Color-Avoiding Triangles
A set of pairwise edge-disjoint triangles of an edge-colored Kn is r-color avoiding if it does not contain r monochromatic triangles, each having a different color. Let fr(n) be th...
Raphael Yuster