A generalised formulation of the Laplacian approach to resistor networks

Abstract

An analytic approach is presented to developing exact expressions for the two-point resistance between arbitrary nodes on certain non-regular resistor networks. This generalises previous approaches, which only deliver results for networks of more regular geometry. The new approach exploits the second minor of the Laplacian matrix associated with the given network to obtain the resistance in terms its eigenvalues and eigenvectors. The method is illustrated by application to the resistor network on the globe lattice, for which the resistance between two arbitrary nodes is obtained in the form of single summation.

arXiv comment17 pages, 1 figure

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• Anomalous fractal scaling in two-dimensional electric networks
• Comparison of methods to determine point-to-point resistance in nearly rectangular networks with application to a hammock network