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Optimization
A Journal of Mathematical Programming and Operations Research
Volume 71, 2022 - Issue 9
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Research Article

Stability of the set of solutions for generalized vector equilibrium problems with cone constraints

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Pages 2491-2517 | Received 11 Sep 2018, Accepted 27 Nov 2020, Published online: 16 Dec 2020
 

Abstract

In this paper, the Hausdorff quasi-upper and Hausdorff quasi-lower semicontinuity for set-valued mappings are introduced to derive the upper semicontinuity and lower semicontinuity of cone constraint mapping in normed vector spaces. We discuss existence of solutions for generalized vector equilibrium problems with cone constraints. Moreover, we establish the lower semicontinuity of (weakly) efficient approximate solution mappings, upper semicontinuity of weakly efficient approximate solution mappings, and Hausdorff upper semicontinuity of efficient approximate solution mappings to parametric generalized vector equilibrium problems with cone constraints under some suitable conditions. Some examples are also given to illustrate our main results.

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Acknowledgments

The authors are grateful to the editors and reviewers for their constructive comments, which helps us to improve the paper.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by the National Natural Science Foundation of China (11671282, 11801257).

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