A New Full Nesterov–Todd Step Primal–Dual Path-Following Interior-Point Algorithm for Symmetric Optimization |
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Authors: | G Q Wang Y Q Bai |
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Institution: | 1.College of Fundamental Studies,Shanghai University of Engineering Science,Shanghai,China;2.Department of Mathematics,Shanghai University,Shanghai,China |
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Abstract: | In this paper, we generalize a primal–dual path-following interior-point algorithm for linear optimization to symmetric optimization by using Euclidean Jordan algebras. The proposed algorithm is based on a new technique for finding the search directions and the strategy of the central path. At each iteration, we use only full Nesterov–Todd steps. Moreover, we derive the currently best known iteration bound for the small-update method. This unifies the analysis for linear, second-order cone, and semidefinite optimizations. |
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