Generalized discrete integrable operator and integrable hierarchy
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914142380621824 |
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| author | Liu, Huan |
| author_facet | Liu, Huan |
| contents | We introduce and systematically develop two classes of discrete integrable operators: those with $2\times 2$ matrix kernels and those possessing general differential kernels, thereby generalizing the discrete analogue previously studied. A central finding is their inherent connection to higher-order pole solutions of integrable hierarchies, contrasting sharply with standard operators linked to simple poles. This work not only provides explicit resolvent formulas for matrix kernels and differential operator analogues but also offers discrete integrable structures that encode higher-order behaviour. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_05046 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Generalized discrete integrable operator and integrable hierarchy Liu, Huan Exactly Solvable and Integrable Systems We introduce and systematically develop two classes of discrete integrable operators: those with $2\times 2$ matrix kernels and those possessing general differential kernels, thereby generalizing the discrete analogue previously studied. A central finding is their inherent connection to higher-order pole solutions of integrable hierarchies, contrasting sharply with standard operators linked to simple poles. This work not only provides explicit resolvent formulas for matrix kernels and differential operator analogues but also offers discrete integrable structures that encode higher-order behaviour. |
| title | Generalized discrete integrable operator and integrable hierarchy |
| topic | Exactly Solvable and Integrable Systems |
| url | https://arxiv.org/abs/2511.05046 |