On the subcritical self-catalytic branching Brownian motions
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866910157787627520 |
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| author | Hou, Haojie Sun, Zhenyao |
| author_facet | Hou, Haojie Sun, Zhenyao |
| contents | The self-catalytic branching Brownian motions (SBBM) are extensions of the classical one-dimensional branching Brownian motions by incorporating pairwise branchings catalyzed by the intersection local times of the particle pairs. These processes naturally arise as the moment duals of certain reaction-diffusion equations perturbed by multiplicative space-time white noise. For the subcritical case of the catalytic branching mechanism, we construct the SBBM allowing an infinite number of initial particles. Additionally, we establish the coming down from infinity (CDI) property for these systems and characterize their CDI rates. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_16739 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the subcritical self-catalytic branching Brownian motions Hou, Haojie Sun, Zhenyao Probability Mathematical Physics The self-catalytic branching Brownian motions (SBBM) are extensions of the classical one-dimensional branching Brownian motions by incorporating pairwise branchings catalyzed by the intersection local times of the particle pairs. These processes naturally arise as the moment duals of certain reaction-diffusion equations perturbed by multiplicative space-time white noise. For the subcritical case of the catalytic branching mechanism, we construct the SBBM allowing an infinite number of initial particles. Additionally, we establish the coming down from infinity (CDI) property for these systems and characterize their CDI rates. |
| title | On the subcritical self-catalytic branching Brownian motions |
| topic | Probability Mathematical Physics |
| url | https://arxiv.org/abs/2501.16739 |