Abstract
Using block spin assignments, we construct anL 2-orthonormal basis consisting of dyadic scalings and translates of just a finite number of functions. These functions have exponential localization, and for even values of a construction parameterM one can make them classC M−1 with vanishing moments up to orderM inclusive. Such a basis has an important application to phase cell cluster expansions in quantum field theory.
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Communicated by A. Jaffe
Supported in part by the National Science Foundation under Grant No. DMS 8603795 and by the Mathematical Sciences Institute
On leave from the Mathematics Department, Texas A & M University, College Station, Texas 77843 USA
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Battle, G. A block spin construction of ondelettes. Part I: Lemarié functions. Commun.Math. Phys. 110, 601–615 (1987). https://doi.org/10.1007/BF01205550
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DOI: https://doi.org/10.1007/BF01205550