Triangle covering problems and the Viterbo inequality in the plane
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Acceso en línea: | |
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| _version_ | 1866915858626904064 |
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| author | Balitskiy, Alexey Mitrofanov, Ivan Polyanskii, Alexander |
| author_facet | Balitskiy, Alexey Mitrofanov, Ivan Polyanskii, Alexander |
| contents | We review a certain problem on covering triangles in the plane. Equivalently, it can be viewed as a family of 'isobilliard' inequalities in convex shapes, and as a special case of Viterbo's conjecture in symplectic geometry. We give an elementary overview of these topics and, using the optics of the covering problem, we establish several new special cases of Viterbo's conjecture, provide a simple explanation of the counterexample of Haim-Kislev and Ostrover, and state a few open questions. The main novel result is a proof of Viterbo's conjecture for lagrangian products $K \times Q$, where $Q \subset \mathbb{R}^2$ is any quadrilateral and $K \subset \mathbb{R}^2$ is any convex shape. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_12495 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Triangle covering problems and the Viterbo inequality in the plane Balitskiy, Alexey Mitrofanov, Ivan Polyanskii, Alexander Metric Geometry We review a certain problem on covering triangles in the plane. Equivalently, it can be viewed as a family of 'isobilliard' inequalities in convex shapes, and as a special case of Viterbo's conjecture in symplectic geometry. We give an elementary overview of these topics and, using the optics of the covering problem, we establish several new special cases of Viterbo's conjecture, provide a simple explanation of the counterexample of Haim-Kislev and Ostrover, and state a few open questions. The main novel result is a proof of Viterbo's conjecture for lagrangian products $K \times Q$, where $Q \subset \mathbb{R}^2$ is any quadrilateral and $K \subset \mathbb{R}^2$ is any convex shape. |
| title | Triangle covering problems and the Viterbo inequality in the plane |
| topic | Metric Geometry |
| url | https://arxiv.org/abs/2603.12495 |