Integrable dynamics in projective geometry via dimers and triple crossing diagram maps on the cylinder
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2021
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| _version_ | 1866909633365409792 |
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| author | Affolter, Niklas Christoph George, Terrence Ramassamy, Sanjay |
| author_facet | Affolter, Niklas Christoph George, Terrence Ramassamy, Sanjay |
| contents | We introduce twisted triple crossing diagram maps, collections of points in projective space associated to bipartite graphs on the cylinder, and use them to provide geometric realizations of the cluster integrable systems of Goncharov and Kenyon constructed from toric dimer models. Using this notion, we provide geometric proofs that the pentagram map and the cross-ratio dynamics integrable systems are cluster integrable systems. We show that in appropriate coordinates, cross-ratio dynamics is described by geometric $R$-matrices, which solves the open question of finding a cluster algebra structure describing cross-ratio dynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2108_12692 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Integrable dynamics in projective geometry via dimers and triple crossing diagram maps on the cylinder Affolter, Niklas Christoph George, Terrence Ramassamy, Sanjay Exactly Solvable and Integrable Systems Combinatorics Differential Geometry Dynamical Systems We introduce twisted triple crossing diagram maps, collections of points in projective space associated to bipartite graphs on the cylinder, and use them to provide geometric realizations of the cluster integrable systems of Goncharov and Kenyon constructed from toric dimer models. Using this notion, we provide geometric proofs that the pentagram map and the cross-ratio dynamics integrable systems are cluster integrable systems. We show that in appropriate coordinates, cross-ratio dynamics is described by geometric $R$-matrices, which solves the open question of finding a cluster algebra structure describing cross-ratio dynamics. |
| title | Integrable dynamics in projective geometry via dimers and triple crossing diagram maps on the cylinder |
| topic | Exactly Solvable and Integrable Systems Combinatorics Differential Geometry Dynamical Systems |
| url | https://arxiv.org/abs/2108.12692 |