Fractals and Hidden Symmetries in DNAReport as inadecuate




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Mathematical Problems in EngineeringVolume 2010 2010, Article ID 507056, 31 pages

Research ArticleDepartment of Pharmaceutical Sciences, University of Salerno, Via Ponte Don Melillo, 84084 Fisciano, Italy

Received 27 January 2010; Accepted 8 March 2010

Academic Editor: Cristian Toma

Copyright © 2010 Carlo Cattani. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper deals with the digital complex representation of aDNA sequence and the analysis of existing correlations by wavelets. The symbolic DNA sequence is mapped into a nonlinear time series. By studying this time series the existence of fractal shapes and symmetries will be shown. At first step, the indicator matrix enables us to recognize some typical patterns of nucleotide distribution. The DNA sequence, of the influenza virus A H1N1, is investigated by using thecomplex representation, together with the corresponding walks on DNA; in particular, it is shown that DNA walks are fractals. Finally, by using the wavelet analysis, the existence of symmetries is proven.





Author: Carlo Cattani

Source: https://www.hindawi.com/



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