The metric removability of interfaces in the directed landscape
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866914739979812864 |
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| author | Bhatia, Manan |
| author_facet | Bhatia, Manan |
| contents | The directed landscape is a prominent model of random geometry which is believed to be the universal scaling limit of all planar random geometries in the Kardar-Parisi-Zhang universality class. It comes equipped with a few different natural simple curves associated to it, such as geodesics and interfaces. Given such a curve, one might wonder whether the geometry off this curve determines the entire landscape, or if in fact, there is non-trivial extra information actually present "on" the curve. In this paper, we show that the former is true for an interface in the directed landscape, while the latter is true for a geodesic instead. Further, as is used in the proof of the first assertion above, we show that the set of times where any geodesic intersects an interface a.s. has dimension zero. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_02862 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The metric removability of interfaces in the directed landscape Bhatia, Manan Probability The directed landscape is a prominent model of random geometry which is believed to be the universal scaling limit of all planar random geometries in the Kardar-Parisi-Zhang universality class. It comes equipped with a few different natural simple curves associated to it, such as geodesics and interfaces. Given such a curve, one might wonder whether the geometry off this curve determines the entire landscape, or if in fact, there is non-trivial extra information actually present "on" the curve. In this paper, we show that the former is true for an interface in the directed landscape, while the latter is true for a geodesic instead. Further, as is used in the proof of the first assertion above, we show that the set of times where any geodesic intersects an interface a.s. has dimension zero. |
| title | The metric removability of interfaces in the directed landscape |
| topic | Probability |
| url | https://arxiv.org/abs/2404.02862 |