Algebraic curves and meromorphic functions Sharing pairs of values
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909333108817920 |
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| author | Steinmetz, Norbert |
| author_facet | Steinmetz, Norbert |
| contents | The 4IM+1CM problem is determining all pairs (f,g) of meromorphic functions in the complex plane that are not Moebius transformations of each other and share five pairs of complex values, one of them counting multiplicities. It is shown that every solution to this problem parametrizes an algebraic curve of genus zero and low degree depending on five parameters only, which enables handing over the problem to computer algebra specialists. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_01624 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Algebraic curves and meromorphic functions Sharing pairs of values Steinmetz, Norbert Complex Variables 30D35 The 4IM+1CM problem is determining all pairs (f,g) of meromorphic functions in the complex plane that are not Moebius transformations of each other and share five pairs of complex values, one of them counting multiplicities. It is shown that every solution to this problem parametrizes an algebraic curve of genus zero and low degree depending on five parameters only, which enables handing over the problem to computer algebra specialists. |
| title | Algebraic curves and meromorphic functions Sharing pairs of values |
| topic | Complex Variables 30D35 |
| url | https://arxiv.org/abs/2410.01624 |