Abstract
The focus of this paper is to employ a new topological condition, based on admissibility of the function space topology, to provide existence results for a generalized vector quasi-variational inequality problem and its stronger form as well. The inequality problems involve a set-valued function, and the existence results are proved without using any monotonicity or convexity assumptions on the functions. Further, the solution sets of the inequality problems are shown to be closed and compact.
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Acknowledgements
The authors thank Professor C. S. Lalitha, Department of Mathematics, University of Delhi South Campus, New Delhi, India for her valuable suggestions which helped us in improving the paper. The authors also acknowledge the valuable comments of the referees.
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Sonia, Sarma, R.D. A topological approach for vector quasi-variational inequalities with set-valued functions. Comput Manag Sci 20, 21 (2023). https://doi.org/10.1007/s10287-023-00457-z
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DOI: https://doi.org/10.1007/s10287-023-00457-z
Keywords
- Generalized vector quasi-variational inequality
- Fan-KKM lemma
- Admissibility
- Set-valued mapping
- Topological vector space