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A unified fixed point approach to study the existence of solutions for a class of fractional boundary value problems arising in a chemical graph theory

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  • Wutiphol Sintunavarat
  • Ali Turab

Abstract

A theory of chemical graphs is a part of mathematical chemistry concerned with the effects of connectedness in chemical graphs. Several researchers have studied the solutions of fractional differential equations using the concept of star graphs. They employed star graphs because their technique requires a central node with links to adjacent vertices but no edges between nodes. The purpose of this paper is to extend the method’s range by introducing the concept of an octane graph, which is an essential organic compound having the formula C8H18. In this manner, we analyze a graph with vertices annotated by 0 or 1, which is influenced by the structure of the chemical substance octane, and formulate a fractional boundary value problem on each of the graph’s edges. We use the Schaefer and Krasnoselskii fixed point theorems to investigate the existence of solutions to the presented boundary value problems in the framework of the Caputo fractional derivative. Finally, two examples are provided to highlight the importance of our results in this area of study.

Suggested Citation

  • Wutiphol Sintunavarat & Ali Turab, 2022. "A unified fixed point approach to study the existence of solutions for a class of fractional boundary value problems arising in a chemical graph theory," PLOS ONE, Public Library of Science, vol. 17(8), pages 1-24, August.
    • Handle: RePEc:plo:pone00:0270148
    DOI: 10.1371/journal.pone.0270148
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