An interior-point method for the single-facility location problem with mixed norms using a conic formulation

Robert Chares () and François Glineur

Mathematical Methods of Operations Research, 2008, vol. 68, issue 3, 383-405

Abstract: We consider the single-facility location problem with mixed norms, i.e. the problem of minimizing the sum of the distances from a point to a set of fixed points in $${\mathbb{R}^n}$$ , where each distance can be measured according to a different p-norm. We show how this problem can be expressed into a structured conic format by decomposing the nonlinear components of the objective into a series of constraints involving three-dimensional cones. Using the availability of a self-concordant barrier for these cones, we present a polynomial-time algorithm (a long-step path-following interior-point scheme) to solve the problem up to any given accuracy. Finally, we report computational results for this algorithm and compare with standard nonlinear optimization solvers applied to this problem. Copyright Springer-Verlag 2008

Keywords: Nonsymmetric conic optimization; Conic reformulation; Sum of norm minimization; Single-facility location problems; Interior-point methods (search for similar items in EconPapers)
Date: 2008
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Working Paper: An interior-point method for the single-facility location problem with mixed norms using a conic formulation (2009)
Working Paper: An interior-point method for the single-facility location problem with mixed norms using a conic formulation (2007)
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DOI: 10.1007/s00186-008-0225-x

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