Combinatorics of generalized orthogonal polynomials of type $R_{II}$
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866910705278517248 |
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| author | Kim, Jang Soo Song, Minho |
| author_facet | Kim, Jang Soo Song, Minho |
| contents | In 1995, Ismail and Masson introduced orthogonal polynomials of types \( R_I \) and \( R_{II} \), which are defined by specific three-term recurrence relations with additional conditions. Recently, Kim and Stanton found a combinatorial interpretation for the moments of orthogonal polynomials of type \( R_I \) in the spirit of the combinatorial theory of orthogonal polynomials due to Flajolet and Viennot. In this paper, we push this combinatorial model further to orthogonal polynomials of type \( R_{II} \). Moreover, we generalize orthogonal polynomials of type \( R_{II} \) by relaxing some of their conditions. We then prove a master theorem, which generalizes combinatorial models for moments of various types of orthogonal polynomials: classical orthogonal polynomials, Laurent biorthogonal polynomials, and orthogonal polynomials of types \( R_I \) and \( R_{II} \). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_12345 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Combinatorics of generalized orthogonal polynomials of type $R_{II}$ Kim, Jang Soo Song, Minho Combinatorics Classical Analysis and ODEs 33C45, 05A15 In 1995, Ismail and Masson introduced orthogonal polynomials of types \( R_I \) and \( R_{II} \), which are defined by specific three-term recurrence relations with additional conditions. Recently, Kim and Stanton found a combinatorial interpretation for the moments of orthogonal polynomials of type \( R_I \) in the spirit of the combinatorial theory of orthogonal polynomials due to Flajolet and Viennot. In this paper, we push this combinatorial model further to orthogonal polynomials of type \( R_{II} \). Moreover, we generalize orthogonal polynomials of type \( R_{II} \) by relaxing some of their conditions. We then prove a master theorem, which generalizes combinatorial models for moments of various types of orthogonal polynomials: classical orthogonal polynomials, Laurent biorthogonal polynomials, and orthogonal polynomials of types \( R_I \) and \( R_{II} \). |
| title | Combinatorics of generalized orthogonal polynomials of type $R_{II}$ |
| topic | Combinatorics Classical Analysis and ODEs 33C45, 05A15 |
| url | https://arxiv.org/abs/2411.12345 |