A complex Lie algebra of rotationally symmetric operators and their harmonics
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914133836824576 |
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| author | Klintborg, Markus |
| author_facet | Klintborg, Markus |
| contents | We describe the solutions to a family of rotationally symmetric second order partial differential equations in the complex plane that arises from a four-dimensional complex Lie algebra whose spanning set generates the algebra from which such generalised harmonic functions derive. We show that every one of these solutions have a canonical series representation and retrieve those obtained in the case of Laplace and Helmholtz equation. These sums are given in confluent hypergeometric terms that asymptotically correspond to the complex exponential function. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_02154 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A complex Lie algebra of rotationally symmetric operators and their harmonics Klintborg, Markus Classical Analysis and ODEs Primary: 31A05, Secondary: 33C15, 35J15 We describe the solutions to a family of rotationally symmetric second order partial differential equations in the complex plane that arises from a four-dimensional complex Lie algebra whose spanning set generates the algebra from which such generalised harmonic functions derive. We show that every one of these solutions have a canonical series representation and retrieve those obtained in the case of Laplace and Helmholtz equation. These sums are given in confluent hypergeometric terms that asymptotically correspond to the complex exponential function. |
| title | A complex Lie algebra of rotationally symmetric operators and their harmonics |
| topic | Classical Analysis and ODEs Primary: 31A05, Secondary: 33C15, 35J15 |
| url | https://arxiv.org/abs/2511.02154 |