Abstract
Chromatic series expansions of bandlimited functions have recently been introduced in signal processing with promising results. Chromatic series share similar properties with Taylor series insofar as the coefficients of the expansions, which are called chromatic derivatives, are based on the ordinary derivatives of the function, but unlike Taylor series, chromatic series have more practical applications.The Bargmann transform was introduced in 1961 by V. Bargmann who showed, among other things, that the Bargmann transform is a unitary transformation from L 2(IR n) onto the Bargmann–Segal–Foch space \(\mathfrak{F}\) on which Foch’s operator solutions to some equations in quantum mechanics are realized.The goal of this article is to survey results on chromatic derivatives and explore the connection between chromatic derivatives and series on the one hand and the Bargmann transform and the Bargmann–Segal–Foch space on the other hand.
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Notes
- 1.
If x, ω ∈ IR d are both real vectors, then we denote their scalar product by x. ω. If at least one of u, z is complex, we denote their scalar product by ⟨u, z⟩.
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Zayed, A.I. (2013). Chromatic Expansions and the Bargmann Transform. In: Shen, X., Zayed, A. (eds) Multiscale Signal Analysis and Modeling. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4145-8_6
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DOI: https://doi.org/10.1007/978-1-4614-4145-8_6
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