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Fault-Tolerant Metric Dimension of Circulant Graphs

Author

Listed:
  • Laxman Saha

    (Department of Mathematics, Balurghat College, Balurghat 733101, India)

  • Rupen Lama

    (Department of Mathematics, Balurghat College, Balurghat 733101, India)

  • Kalishankar Tiwary

    (Department of Mathematics, Raiganj University, Raiganj 733134, India)

  • Kinkar Chandra Das

    (Department of Mathematics, Sungkyunkwan University, Suwon 16419, Korea)

  • Yilun Shang

    (Department of Computer and Information Sciences, Northumbria University, Newcastle NE1 8ST, UK)

Abstract

Let G be a connected graph with vertex set V ( G ) and d ( u , v ) be the distance between the vertices u and v . A set of vertices S = { s 1 , s 2 , … , s k } ⊂ V ( G ) is called a resolving set for G if, for any two distinct vertices u , v ∈ V ( G ) , there is a vertex s i ∈ S such that d ( u , s i ) ≠ d ( v , s i ) . A resolving set S for G is fault-tolerant if S \ { x } is also a resolving set, for each x in S , and the fault-tolerant metric dimension of G , denoted by β ′ ( G ) , is the minimum cardinality of such a set. The paper of Basak et al. on fault-tolerant metric dimension of circulant graphs C n ( 1 , 2 , 3 ) has determined the exact value of β ′ ( C n ( 1 , 2 , 3 ) ) . In this article, we extend the results of Basak et al. to the graph C n ( 1 , 2 , 3 , 4 ) and obtain the exact value of β ′ ( C n ( 1 , 2 , 3 , 4 ) ) for all n ≥ 22 .

Suggested Citation

  • Laxman Saha & Rupen Lama & Kalishankar Tiwary & Kinkar Chandra Das & Yilun Shang, 2022. "Fault-Tolerant Metric Dimension of Circulant Graphs," Mathematics, MDPI, vol. 10(1), pages 1-16, January.
  • Handle: RePEc:gam:jmathe:v:10:y:2022:i:1:p:124-:d:716040
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    Citations

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    Cited by:

    1. Laxman Saha & Mithun Basak & Kalishankar Tiwary & Kinkar Chandra Das & Yilun Shang, 2022. "On the Characterization of a Minimal Resolving Set for Power of Paths," Mathematics, MDPI, vol. 10(14), pages 1-13, July.
    2. Muhammad Azeem & Muhammad Kamran Jamil & Yilun Shang, 2023. "Notes on the Localization of Generalized Hexagonal Cellular Networks," Mathematics, MDPI, vol. 11(4), pages 1-15, February.
    3. Laxman Saha & Bapan Das & Kalishankar Tiwary & Kinkar Chandra Das & Yilun Shang, 2023. "Optimal Multi-Level Fault-Tolerant Resolving Sets of Circulant Graph C ( n : 1, 2)," Mathematics, MDPI, vol. 11(8), pages 1-16, April.

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