Stromatolites: why do we care?

Details Stromatolites: why do we care? Stromatolites: why do we care?

2003-07-19

arxiv.org/abs/cond-mat/0307485v1

Physics

Condensed Matter

Statistical Mechanics

4 pages and 3 figures. Accepted for pubblication in the special issue of Chaos Solitons & Fractals dedicated to the conference

Scientific paper

We apply the method of Diffusion Entropy (DE) to the study of stromatolites by means of a two-dimensional procedure that makes it possible for us to compare the DE analysis to the results of a compression method. As done with the compression method, we analyze two pairs of samples, one biotic and the other a-biotic. Each pair consists of a target, the putative stromatolite sample, and of its surrounding matrix. We use two different procedures, referring to single colors and to a color combination, respectively. We apply the DE method to both procedures and we find the same result, this being that the scaling index of the time series stemming from the biotic target yields a scaling index larger than the scaling indices of the other three curves. We argue that the DE analysis confirms the results of the compression method.

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