A Unified Range Characterization for the Spherical mean transform
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866916050071715840 |
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| author | Chatterjee, Pradipta Singhal, Nisha Tushir, Abhilash |
| author_facet | Chatterjee, Pradipta Singhal, Nisha Tushir, Abhilash |
| contents | In this article, we investigate the range characterization for the spherical mean transform (SMT) of functions supported in the unit ball. In earlier works, in the case of odd dimensions, a set of differential conditions was obtained, whereas in the case of even dimensions, integral conditions were obtained. We prove that these conditions that are different based on the parity of dimension are, in fact, equivalent in odd dimensions. This equivalence shows that the integral conditions yield a unified simple range characterization for the SMT that is valid in both even and odd dimensions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2605_27034 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Unified Range Characterization for the Spherical mean transform Chatterjee, Pradipta Singhal, Nisha Tushir, Abhilash Analysis of PDEs Classical Analysis and ODEs 33C55, 35R30, 44A12, 44A15, 444A20, 45Q05, 92C55 In this article, we investigate the range characterization for the spherical mean transform (SMT) of functions supported in the unit ball. In earlier works, in the case of odd dimensions, a set of differential conditions was obtained, whereas in the case of even dimensions, integral conditions were obtained. We prove that these conditions that are different based on the parity of dimension are, in fact, equivalent in odd dimensions. This equivalence shows that the integral conditions yield a unified simple range characterization for the SMT that is valid in both even and odd dimensions. |
| title | A Unified Range Characterization for the Spherical mean transform |
| topic | Analysis of PDEs Classical Analysis and ODEs 33C55, 35R30, 44A12, 44A15, 444A20, 45Q05, 92C55 |
| url | https://arxiv.org/abs/2605.27034 |