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Erdélyi–Kober Fractional Integrals and Radon Transforms for Mutually Orthogonal Affine Planes

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Abstract

We apply Erdélyi–Kober fractional integrals to the study of Radon type transforms that take functions on the Grassmannian of j-dimensional affine planes in ℝn to functions on a similar manifold of k-dimensional planes by integration over the set of all j-planes that meet a given k-plane at a right angle. We obtain explicit inversion formulas for these transforms in the class of radial functions under minimal assumptions for all admissible dimensions. The general (not necessarily radial) case, but for j + k = n − 1, n odd, was studied by S. Helgason [8] and F. Gonzalez [4, 5] on smooth compactly supported functions.

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Authors and Affiliations

  1. Department of Mathematics, Louisiana State University Baton Rouge, LA, 70803, USA

    Boris Rubin

  2. School of Mathematics and Information Science Guangzhou University, Guangzhou, 510006, China

    Yingzhan Wang

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  1. Boris Rubin
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  2. Yingzhan Wang
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Correspondence to Boris Rubin.

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Rubin, B., Wang, Y. Erdélyi–Kober Fractional Integrals and Radon Transforms for Mutually Orthogonal Affine Planes. Fract Calc Appl Anal 23, 967–979 (2020). https://doi.org/10.1515/fca-2020-0050

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