Journal
JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS
Volume 154, Issue 3, Pages 966-985Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10957-012-0013-x
Keywords
Symmetric optimization; Interior-point methods; Euclidean Jordan algebras; Small-update method
Funding
- National Natural Science Foundation of China [11001169, 11071158]
- China Postdoctoral Science Foundation [20100480604]
- Key Disciplines of Shanghai Municipality [S30104]
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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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