Ismat Beg, Irem Eroğlu, $d(d^{-1})$-continuous multi-valued mappings and some fixed point results, Vol. 2027 (2027) No. 12, pp. 1-9

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DOI: 10.23952/cot.2027.12

Received November 4, 2025; Accepted April 22, 2026; Published online September 27, 2026

Abstract. This paper establishes fixed point results for multivalued mappings in ordered bicomplete quasi-metric spaces, thereby generalizing several existing results. To illustrate the significance of these findings, an application to homotopy theory is presented, accompanied by multiple examples.

How to Cite this Article:
I. Beg, I. Eroğlu, $d(d^{-1})$ -continuous multi-valued mappings and some fixed point results, Commun. Optim. Theory 2027 (2027) 12.