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JGO
2011
165views more  JGO 2011»
12 years 7 months ago
A biased random-key genetic algorithm for routing and wavelength assignment
The problem of routing and wavelength assignment (RWA) in wavelength division multiplexing (WDM) optical networks consists in routing a set of lightpaths and assigning a wavelength...
Thiago F. Noronha, Mauricio G. C. Resende, Celso C...
JGO
2011
89views more  JGO 2011»
12 years 7 months ago
Model building using bi-level optimization
Abstract In many problems from different disciplines such as engineering, physics, medicine, and biology, a series of experimental data is used in order to generate a model that ca...
Georges K. Saharidis, Ioannis P. Androulakis, Mari...
JGO
2011
87views more  JGO 2011»
12 years 11 months ago
An exact algorithm for solving the vertex separator problem
Mohamed Didi Biha, Marie-Jean Meurs
JGO
2011
83views more  JGO 2011»
12 years 11 months ago
Application of convex lexicographical optimization to the balance of GRTgaz gas grid
Shippers are daily users of the French gas grid. Differences between planned and effective gas demand unbalance the grid. To restore the balance, GRTgaz computes every day amoun...
Soizic Adam, J. Frédéric Bonnans, Ru...
JGO
2011
116views more  JGO 2011»
12 years 11 months ago
On generalized Ekeland's variational principle and equivalent formulations for set-valued mappings
We propose a very weak type of generalized distance called weak τ-function and use it to weaken the assumptions about lower semicontinuity in existing formulations of Ekeland’s ...
Phan Quoc Khanh, D. N. Quy
JGO
2011
122views more  JGO 2011»
12 years 11 months ago
Towards the global solution of the maximal correlation problem
The maximal correlation problem (MCP) aiming at optimizing correlation between sets of variables plays a very important role in many areas of statistical applications. Currently, a...
Lei-Hong Zhang, Li-Zhi Liao, Li-Ming Sun
JGO
2011
149views more  JGO 2011»
12 years 11 months ago
A logarithmic-quadratic proximal point scalarization method for multiobjective programming
We present a proximal point method to solve multiobjective problems based on the scalarization for maps. We build a family of a convex scalar strict representation of a convex map...
Ronaldo Gregório, Paulo Roberto Oliveira