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Zernike functions, rigged Hilbert spaces and potential applications

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posted on 2023-11-30, 17:58 authored by Enrico Celeghini, Manuel Gadella, Mariano A del Olmo
We revise the symmetries of the Zernike polynomials that determine the Lie algebra su(1,1) + su(1,1). We show how they induce discrete as well continuous bases that coexist in the framework of rigged Hilbert spaces. We also discuss some other interesting properties of Zernike polynomials and Zernike functions. One of the interests of Zernike functions has been their applications in optics. Here, we suggest that operators on the spaces of Zernike functions may play a role in optical image processing.

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