The local limit of rooted directed animals on the square lattice
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866914649632407552 |
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| author | Hénard, Olivier Maurel-Segala, Édouard Singh, Arvind |
| author_facet | Hénard, Olivier Maurel-Segala, Édouard Singh, Arvind |
| contents | We consider the local limit of finite uniformly distributed directed animals on the square lattice viewed from the root. Two constructions of the resulting uniform infinite directed animal are given: one as a heap of dominoes, constructed by letting gravity act on a right-continuous random walk and one as a Markov process, obtained by slicing the animal horizontally. We look at geometric properties of this local limit and prove, in particular, that it consists of a single vertex at infinitely many (random) levels. Several martingales are found in connection with the confinement of the infinite directed animal on the non-negative coordinates. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_12935 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The local limit of rooted directed animals on the square lattice Hénard, Olivier Maurel-Segala, Édouard Singh, Arvind Probability Combinatorics 82B41, 60K35 We consider the local limit of finite uniformly distributed directed animals on the square lattice viewed from the root. Two constructions of the resulting uniform infinite directed animal are given: one as a heap of dominoes, constructed by letting gravity act on a right-continuous random walk and one as a Markov process, obtained by slicing the animal horizontally. We look at geometric properties of this local limit and prove, in particular, that it consists of a single vertex at infinitely many (random) levels. Several martingales are found in connection with the confinement of the infinite directed animal on the non-negative coordinates. |
| title | The local limit of rooted directed animals on the square lattice |
| topic | Probability Combinatorics 82B41, 60K35 |
| url | https://arxiv.org/abs/2401.12935 |