Journal
SIAM JOURNAL ON OPTIMIZATION
Volume 15, Issue 2, Pages 383-393Publisher
SIAM PUBLICATIONS
DOI: 10.1137/040603942
Keywords
real algebraic geometry; global optimization; semidefinite programming relaxations; linear programming relaxations
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We consider the global minimization of a multivariate polynomial on a compact semialgebraic set. Using a result of Krivine [J. Analyse Math., 12 (1964), pp. 307-326; C. R. Acad. Sci. Paris, 258 (1964), pp. 3417-3418], it is shown that LP-relaxations based on products of the original constraints, in the spirit of the reformulation-linearization technique procedure of Sherali and Adams, converge to the global optimum. This extends to compact semialgebraic sets, previous results known for polytopes, and 0-1 programs. The asymptotic behavior of the LP-relaxations is also analyzed, and it is shown that in important cases, finite convergence cannot occur.
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