On the face stratification of the $m=2$ amplituhedron
Fuente:
arXiv
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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Accesso online: | |
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| _version_ | 1866916718359609344 |
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| author | Lam, Thomas |
| author_facet | Lam, Thomas |
| contents | We define and study the face stratification of the m=2 amplituhedron. We show that the face poset is an upper order ideal in the face poset of the totally nonnegative Grassmannian. Our construction is consistent with earlier work of Lukowski, and we confirm various predictions of Lukowski. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_06948 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the face stratification of the $m=2$ amplituhedron Lam, Thomas Combinatorics High Energy Physics - Theory Mathematical Physics Algebraic Geometry We define and study the face stratification of the m=2 amplituhedron. We show that the face poset is an upper order ideal in the face poset of the totally nonnegative Grassmannian. Our construction is consistent with earlier work of Lukowski, and we confirm various predictions of Lukowski. |
| title | On the face stratification of the $m=2$ amplituhedron |
| topic | Combinatorics High Energy Physics - Theory Mathematical Physics Algebraic Geometry |
| url | https://arxiv.org/abs/2403.06948 |