Journal
JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS
Volume 183, Issue 1, Pages 271-291Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10957-019-01523-w
Keywords
Split common null point problem; Monotone operator; Metric projection; Nonexpansive mapping
Funding
- Science and Technology Fund of Vietnam Ministry of Education and Training [B2019]
- Science and Technology Fund of Thai Nguyen University of Technology (TNUT)
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There are many iterative methods for solving the split common null point problems involving step sizes that depend on the norm of a bounded linear operator T. We know that the implementation of such algorithms is usually difficult to handle, because we have to compute the norm of the operator T. So, we propose new iterative methods involving a step size selected in such a way that its implementation does not require the computation or estimation of the norm of the operator T. In this paper, a new parallel iterative method for solving the split common null point problem is introduced in Hilbert spaces, without prior knowledge of operator norms. Moreover, some applications of our main results to the multiple-set split feasibility problem and the split minimum point problem are also presented.
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