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On Fractional Differential Inclusion for an EpidemicModel via l-fuzzy Fixed Point Results

Computer Modeling in Engineering & Sciences 2023年第11期137卷 1937-1956页

作者： Maha Noorwali Mohammed Shehu Shagari Department of Mathematics King Abdulaziz UniversityJeddahSaudi Arabia Department of Mathematics Faculty of Physical SciencesAhmadu Bello UniversityZariaNigeria

The real world is filled with uncertainty,vagueness,and *** concepts we meet in everyday life are vague rather than *** real-world situations,if a model requires that conclusions drawn from it have some bearings on reality,then two major problems immediately arise,*** situations are not usually crisp and deterministic;complete descriptions of real systems often require more comprehensive data than human beings could recognize simultaneously,process and *** mathematical tools which require all inferences to be exact,are not always efficient to handle imprecisions in a wide variety of practical *** the latter development,a lot of attention has been paid to examining novel l-fuzzy analogues of conventional functional equations and their various *** this paper,new coincidence point results for single-valued mappings and an l-fuzzy set-valued map in metric spaces are *** novelty and generality,the obtained invariant point notions are compared with some well-known related concepts via non-trivial *** is observed that our principal results subsume and refine some important ones in the corresponding *** an application,one of our results is utilized to discussmore general existence conditions for realizing the solutions of a non-integer order inclusion model for COVID-19.

关键词： Hausdorff metric l-fuzzy set l-fuzzy set-valued map Caputo fractional differential inclusion COVID-19

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