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Excursion decompositions for SLE and Watts' crossing formula
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  • Published: 06 June 2005

Excursion decompositions for SLE and Watts' crossing formula

  • Julien Dubédat1 

Probability Theory and Related Fields volume 134, pages 453–488 (2006)Cite this article

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Abstract

It is known that Schramm-Loewner Evolutions (SLEs) have a.s. frontier points if κ>4 and a.s. cutpoints if 4<κ<8. If κ>4, an appropriate version of SLE(κ) has a renewal property: it starts afresh after visiting its frontier. Thus one can give an excursion decomposition for this particular SLE(κ) “away from its frontier”. For 4<κ<8, there is a two-sided analogue of this situation: a particular version of SLE(κ) has a renewal property w.r.t its cutpoints; one studies excursion decompositions of this SLE “away from its cutpoints”. For κ=6, this overlaps Virág's results on “Brownian beads”. As a by-product of this construction, one proves Watts' formula, which describes the probability of a double crossing in a rectangle for critical plane percolation.

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  1. Courant Institute, 251 Mercer St., New York, NY, 10012, USA

    Julien Dubédat

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  1. Julien Dubédat
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Correspondence to Julien Dubédat.

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Dubédat, J. Excursion decompositions for SLE and Watts' crossing formula. Probab. Theory Relat. Fields 134, 453–488 (2006). https://doi.org/10.1007/s00440-005-0446-3

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  • Received: 19 September 2004

  • Revised: 13 March 2005

  • Published: 06 June 2005

  • Issue Date: March 2006

  • DOI: https://doi.org/10.1007/s00440-005-0446-3

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Keywords

  • Triangular Lattice
  • Local Martingale
  • Bessel Process
  • Critical Percolation
  • Frontier Point
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