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DISOPT
2007
109views more  DISOPT 2007»
13 years 4 months ago
Sequential pairing of mixed integer inequalities
We present a scheme for generating new valid inequalities for mixed integer programs by taking pairwise combinations of existing valid inequalities. Our scheme is related to mixed...
Yongpei Guan, Shabbir Ahmed, George L. Nemhauser
DISOPT
2007
114views more  DISOPT 2007»
13 years 4 months ago
Bounds for online bounded space hypercube packing
In hypercube packing, we receive a sequence of hypercubes that need to be packed into unit hypercubes which are called bins. Items arrive online and each item must be placed withi...
Leah Epstein, Rob van Stee
DISOPT
2007
96views more  DISOPT 2007»
13 years 4 months ago
Symmetric ILP: Coloring and small integers
This paper presents techniques for handling symmetries in integer linear programs where variables can take integer values, extending previous work dealing exclusively with binary v...
François Margot