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Analytical estimation of the correlation dimension of integer lattices
Lucas Lacasa1, Jesús Gómez-Gardeñes2
1School of Mathematical Sciences, Queen Mary University of London, Mile End Road, E14NS London, United Kingdom.
Abstract:
Recently [L. Lacasa and J. Gómez-Gardeñes, Phys. Rev. Lett. 110, 168703 (2013)], a fractal dimension has been proposed to characterize the geometric structure of networks. This measure is an extension to graphs of the so called correlation dimension, originally proposed by Grassberger and Procaccia to describe the geometry of strange attractors in dissipative chaotic systems. The calculation of the correlation dimension of a graph is based on the local information retrieved from a random walker navigating the network. In this contribution, we study such quantity for some limiting synthetic spatial networks and obtain analytical results on agreement with the previously reported numerics. In particular, we show that up to first order, the correlation dimension β of integer lattices ℤ(d) coincides with the Haussdorf dimension of their coarsely equivalent Euclidean spaces, β = d.
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