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Approximation algorith ms for nonnegative polynomial optimization problems over unit spheres |
Xinzhen ZHANG1, Guanglu ZHOU2( ), Louis CACCETTA2, Mohammed ALQAHTANI2 |
1. School of Mathematics, Tianjin University, Tianjin 300072, China 2. Department of Mathematics and Statistics, Curtin University, Perth, Australia |
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Abstract We consider approximation algorithms for nonnegative polynomial optimization problems over unit spheres. These optimization problems have wide applications e.g., in signal and image processing, high order statistics, and computer vision. Since these problems are NP-hard, we are interested in studying on approximation algorithms. In particular, we propose some polynomial-time approximation algorithms with new approximation bounds. In addition, based on these approximation algorithms, some efficient algorithms are presented and numerical results are reported to show the efficiency of our proposed algorithms.
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| Keywords
Approximation algorithm
polynomial optimization
approximation bound
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Corresponding Author(s):
Guanglu ZHOU
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Issue Date: 27 November 2017
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