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Fault-Tolerant Metric Dimension of Generalized Wheels and Convex Polytopes

Author

Listed:
  • Zhi-Bo Zheng
  • Ashfaq Ahmad
  • Zaffar Hussain
  • Mobeen Munir
  • Muhammad Imran Qureshi
  • Imtiaz Ali
  • Jia-Bao Liu

Abstract

For a graph , an ordered set is called the resolving set of , if the vector of distances to the vertices in is distinct for every . The minimum cardinality of is termed as the metric dimension of . is called a fault-tolerant resolving set (FTRS) for , if is still the resolving set . The minimum cardinality of such a set is the fault-tolerant metric dimension (FTMD) of . Due to enormous application in science such as mathematics and computer, the notion of the resolving set is being widely studied. In the present article, we focus on determining the FTMD of a generalized wheel graph. Moreover, a formula is developed for FTMD of a wheel and generalized wheels. Recently, some bounds of the FTMD of some of the convex polytopes have been computed, but here we come up with the exact values of the FTMD of two families of convex polytopes denoted as for and for . We prove that these families of convex polytopes have constant FTMD. This brings us to pose a natural open problem about the existence of a polytope having nonconstant FTMD.

Suggested Citation

  • Zhi-Bo Zheng & Ashfaq Ahmad & Zaffar Hussain & Mobeen Munir & Muhammad Imran Qureshi & Imtiaz Ali & Jia-Bao Liu, 2020. "Fault-Tolerant Metric Dimension of Generalized Wheels and Convex Polytopes," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-8, November.
    • Handle: RePEc:hin:jnlmpe:1216542
    DOI: 10.1155/2020/1216542
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