Leko Moutuou, D. J. & Blessing Khumalo, P. (2021). Fixed points in φ-ordered partial quasi-metric space. TWMS Journal of Applied and Engineering Mathematics, 11(3), 851-861.
Abstract
We obtain fixed points for an order preserving mapping in a preordered left p-complete partial quasi-metric space using a preorder induced by an appropriate function. In particular, we do not make use of any contraction condition.
Source
TWMS Journal of Applied and Engineering Mathematics