@article{article_1140743, title={Contractions of Kannan-type and of Chatterjea-type on fuzzy quasi-metric spaces}, journal={Results in Nonlinear Analysis}, volume={5}, pages={347–359}, year={2022}, DOI={10.53006/rna.1140743}, author={Romaguera Bonilla, Salvador}, keywords={Fuzzy quasi-metric space, Quasi-metric space, Complete, Fixed point, Kannan contraction, Chatterjea contraction}, abstract={<p>We characterize the completeness of fuzzy quasi-metric spaces by means of a fixed point theorem of Kannan-type. <br />Thus, we extend the classical characterization of metric completeness due to Subrahmanyam as well as recent results <br />in the literature on the characterization of quasi-metric completeness and fuzzy metric completeness, respectively. We <br />also introduce and discuss contractions of Chatterjea-type in this asymmetric context. </p>}, number={3}, publisher={Erdal KARAPINAR}