Continuous optimization

09/03/2019

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by   Xiaopeng Luo, et al.

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Sufficient conditions for the existence of efficient algorithms are established by introducing the concept of contractility for continuous optimization. Then all the possible continuous problems are divided into three categories: contractile in logarithmic time, contractile in polynomial time, or noncontractile. For the first two, we propose an efficient contracting algorithm to find the set of all global minimizers with a theoretical guarantee of linear convergence; for the last one, we discuss possible troubles caused by using the proposed algorithm.