Bernuau Spline Wavelets andSturmian Sequences |
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Authors: | Miroslav Andrle, Cestmí r Burdí k Jean-Pierre Gazeau |
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Affiliation: | (1) Neural Computing Research Group, Aston University, Aston Triangle, Birmingham B4 7ET, United Kingdom;(2) Department of Mathematics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, Trojanova 13, 120 00, Prague 2, Czech Republic;(3) Laboratoire de Physique Théorique de la Matière Condensée, Box 7020, Université Paris 7–Denis Diderot, 75251 Paris Cedex 05, France |
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Abstract: | We present spline wavelets of class Cn(R) supported by sequences of aperiodicdiscretizations of R. The construction is based on multiresolution analysis recently elaboratedby G. Bernuau. At a given scale, we consider discretizations that are sets of left-hand ends oftiles in a self-similar tiling of the real line with finite local complexity. Corresponding tilingsare determined by two-letter Sturmian substitution sequences. We illustrate the construction withexamples having quadratic Pisot–Vijayaraghavan units (like = (1+sqr{5})/2 or 2 = (3+sqr{5})/2)as scaling factor. In particular, we present a comprehensive analysis of the Fibonacci chain andgive the analytic form of related scaling functions and wavelets. We also give some hints forthe construction of multidimensional spline wavelets based on stone-inflation tilings in arbitrarydimension. |
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