Multiradial SLE with spiral: resampling property and boundary perturbation
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| Format: | Preprint |
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2025
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| author | Huang, Chongzhi Peltola, Eveliina Wu, Hao |
| author_facet | Huang, Chongzhi Peltola, Eveliina Wu, Hao |
| contents | We consider multiple radial SLE curves with various time parameterizations and possible spiraling behavior. We construct them by tilting independent radial SLEs with a suitable local martingale, generalizing the earlier construction by Healey and Lawler. We prove that the curves are almost surely transient (i.e., they emanate from boundary points and terminate at a common interior target point). We show that they enjoy the resampling property: conditional on all of the curves but one, the remaining curve is distributed as chordal SLE in the remaining domain. We also verify that the multiradial SLE measure satisfies a natural boundary perturbation property analogous to that of the known SLE variants, involving its partition function (which is finite).
Interestingly, in the parlance of Coulomb gas formalism in conformal field theory, partition functions of multiradial SLE processes with spiral involve both electric and magnetic charges. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_22045 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Multiradial SLE with spiral: resampling property and boundary perturbation Huang, Chongzhi Peltola, Eveliina Wu, Hao Probability Mathematical Physics 60J67 We consider multiple radial SLE curves with various time parameterizations and possible spiraling behavior. We construct them by tilting independent radial SLEs with a suitable local martingale, generalizing the earlier construction by Healey and Lawler. We prove that the curves are almost surely transient (i.e., they emanate from boundary points and terminate at a common interior target point). We show that they enjoy the resampling property: conditional on all of the curves but one, the remaining curve is distributed as chordal SLE in the remaining domain. We also verify that the multiradial SLE measure satisfies a natural boundary perturbation property analogous to that of the known SLE variants, involving its partition function (which is finite). Interestingly, in the parlance of Coulomb gas formalism in conformal field theory, partition functions of multiradial SLE processes with spiral involve both electric and magnetic charges. |
| title | Multiradial SLE with spiral: resampling property and boundary perturbation |
| topic | Probability Mathematical Physics 60J67 |
| url | https://arxiv.org/abs/2509.22045 |