Compactly Supported Orthogonal Symmetric Scaling Functions
β Scribed by Eugene Belogay; Yang Wang
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 148 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1063-5203
No coin nor oath required. For personal study only.
β¦ Synopsis
Daubechies (1988, Comm. Pure Appl. Math. 41, 909-996)
showed that, except for the Haar function, there exist no compactly supported orthogonal symmetric scaling functions for the dilation q = 2. Nevertheless, such scaling functions do exist for dilations q > 2 (as evidenced by Chui and Lian's construction (1995, Appl. Comput. Harmon. Anal. 2, 68-84) for q = 3); these functions are the main object of this paper. We construct new symmetric scaling functions and introduce the "Batman" family of continuous symmetric scaling functions with very small supports. We establish the exact smoothness of the "Batman" scaling functions using the joint spectral radius technique.
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