Global solution algorithms for DC programming via polyhedral approximations of convex functions

Fahaar M. Pirani () and Firdevs Ulus ()
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Fahaar M. Pirani: Cornell University
Firdevs Ulus: Bilkent University

Journal of Global Optimization, 2025, vol. 93, issue 2, No 1, 335-357

Abstract: Abstract We consider difference of convex (DC) programming problems and propose three algorithms to solve them globally. The main working mechanism of the proposed algorithms is to generate polyhedral underestimators to convex functions. Two of these algorithms generate a ‘fine’ polyhedral approximation of the first convex component over the compact feasible region of the DC programming problem. We prove the finiteness of these algorithms, establish the convergence rate of one of them. Moreover, we show that using the polyhedral approximation of the first component, it is possible to compute an approximate global solution of the corresponding DC programming problem without further computational effort. The third algorithm also computes a polyhedral underestimator of the first component of the DC function. Different from the first two algorithms, the third algorithm approximates it locally until finding an approximate global solution to the DC programming problem. It is shown that for any positive approximation error, the third algorithm stops after finitely many iterations. Computational results based on some test instances from the literature are provided.

Keywords: DC programming; Global optimization; Polyhedral approximation; Algorithms; 90C26; 90C30; 52B55 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10898-025-01535-z

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