Abstract
The aim of this paper is to find an analytical formula for the Kirchhoff index of circulant graphs \({{C}_{n}}({{s}_{1}},{{s}_{2}},\; \ldots ,\;{{s}_{k}})\) and \({{C}_{{2n}}}({{s}_{1}},{{s}_{2}},\; \ldots ,\;{{s}_{k}},n)\) with even and odd valency, respectively. The asymptotic behavior of the Kirchhoff index as n → ∞ is investigated. We proof that the Kirchhoff index of a circulant graph can be expressed as a sum of a cubic polynomial in n and a quantity that vanishes exponentially as n → ∞.
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Funding
This work was supported by Mathematical Center in Akademgorodok under agreement No. 075-15-2019-1613 with the Ministry of Science and Higher Education of the Russian Federation.
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Translated by I. Ruzanova
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Mednykh, A.D., Mednykh, I.A. Kirchhoff Index for Circulant Graphs and Its Asymptotics. Dokl. Math. 102, 392–395 (2020). https://doi.org/10.1134/S106456242005035X
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DOI: https://doi.org/10.1134/S106456242005035X