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- W4297877621 abstract "We consider diffraction of waves on a product cone. We first show that diffractive waves enjoy a one-step polyhomogeneous asymptotic expansion, which is an improvement of Cheeger-Taylor's classical result of half-step polyhomogeneity of diffractive waves in [CT82a], [CT82b]. We also conclude that on product cones, the scattering matrix is the diffraction coefficient, which is the principal symbol of the diffractive half wave kernel, for strictly diffractively related points on the cross section. This generalize the result of Ford, Hassell and Hillairet in 2-dimensional flat cone settings [FHH18]. In the last section, we also give a radiation field interpretation of the relationship between the scattering matrix and the diffraction coefficient." @default.
- W4297877621 created "2022-10-01" @default.
- W4297877621 creator A5026591726 @default.
- W4297877621 date "2020-04-15" @default.
- W4297877621 modified "2023-10-18" @default.
- W4297877621 title "Propagation of polyhomogeneity, Diffraction and Scattering on Product Cones" @default.
- W4297877621 doi "https://doi.org/10.48550/arxiv.2004.07030" @default.
- W4297877621 hasPublicationYear "2020" @default.
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