IMPERFECT COORDINATION IN OPTIMIZATION

Elena Ramírez Barrios and Juan G. Díaz Ochoa ()
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Elena Ramírez Barrios: Department of Economics, University of Bremen, D-28359 Bremen, Germany
Juan G. Díaz Ochoa: Institute for Theoretical Physics, University of Bremen, D-28359 Bremen, Germany

International Journal of Modern Physics C (IJMPC), 2009, vol. 20, issue 04, 527-538

Abstract: We present a novel optimization method for an Ising like system suspended in a lattice with nonstatic defects. Depending on the size of the experimental probe the system spontaneously defines a defect free lattice where the control function can be optimized using conventional methods as Metropolis heuristics. We illustrate this method in a lattice with variable defects and show how the magnetization of the system depends on the spontaneous definition of the defect-free lattice. This approximation should be useful as a basis for the definition of systems of agents with imperfect coordination.

Keywords: Lattice theory and statistics; self-organized systems; econophysics; 05.50.+q; 05.65.+b; 02.50.Le; 09.65.Gh (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S0129183109013868

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