Integral representations of Catalan numbers using Touchard-like identities
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866914897847123968 |
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| author | Pain, Jean-Christophe |
| author_facet | Pain, Jean-Christophe |
| contents | In this article, we use the Touchard identity in order to obtain new integral representations for Catalan numbers. The main idea consists in combining the identity with a known integral representation and resorting to the binomial theorem. The same procedure is applied to a variant of the Touchard identity proposed by Callan a few years ago. The method presented here can be generalized to derive additional integral representations from known ones, provided that the latter have a well-suited form and lend themselves to an analytical summation under the integral sign. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_01201 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Integral representations of Catalan numbers using Touchard-like identities Pain, Jean-Christophe Combinatorics Number Theory In this article, we use the Touchard identity in order to obtain new integral representations for Catalan numbers. The main idea consists in combining the identity with a known integral representation and resorting to the binomial theorem. The same procedure is applied to a variant of the Touchard identity proposed by Callan a few years ago. The method presented here can be generalized to derive additional integral representations from known ones, provided that the latter have a well-suited form and lend themselves to an analytical summation under the integral sign. |
| title | Integral representations of Catalan numbers using Touchard-like identities |
| topic | Combinatorics Number Theory |
| url | https://arxiv.org/abs/2408.01201 |