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EOR
2007
117views more  EOR 2007»
13 years 7 months ago
Approximation of min-max and min-max regret versions of some combinatorial optimization problems
This paper investigates, for the first time in the literature, the approximation of minmax (regret) versions of classical problems like shortest path, minimum spanning tree, and ...
Hassene Aissi, Cristina Bazgan, Daniel Vanderpoote...
EOR
2007
78views more  EOR 2007»
13 years 7 months ago
A Lagrangean relaxation and decomposition algorithm for the video placement and routing problem
Video on Demand (VoD) is a technology used to provide a number of programs to a number of users on request. In developing a VoD system, a fundamental problem is load balancing, wh...
Tolga Bektas, Osman Oguz, Iradj Ouveysi
EOR
2007
117views more  EOR 2007»
13 years 7 months ago
Considering manufacturing cost and scheduling performance on a CNC turning machine
A well known industry application that allows controllable processing times is the manufacturing operations on CNC machines. For each turning operation as an example, there is a n...
Sinan Gurel, M. Selim Akturk
EOR
2007
117views more  EOR 2007»
13 years 7 months ago
Simultaneous perturbation stochastic approximation of nonsmooth functions
A simultaneous perturbation stochastic approximation (SPSA) method has been developed in this paper, using the operators of perturbation with the Lipschitz density function. This ...
Vaida Bartkute, Leonidas Sakalauskas
EOR
2007
103views more  EOR 2007»
13 years 7 months ago
Alternative configurations for cutting machines in a tube cutting mill
In a steel tube mill where an endless stream of steel tube is supplied from a manufacturing facility, trim waste is never made regardless of cutting patterns used and the standard...
Iman Hajizadeh, Chi-Guhn Lee