A conformally invariant metric on CLE(4)

1 hour 6 mins,  253.63 MB,  iPod Video  480x270,  29.97 fps,  44100 Hz,  524.68 kbits/sec
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Description: Watson, S (Massachusetts Institute of Technology)
Tuesday 27 January 2015, 13:30-14:30
 
Created: 2015-02-02 12:35
Collection: Random Geometry
Publisher: Isaac Newton Institute
Copyright: Watson, S
Language: eng (English)
Distribution: World     (downloadable)
Explicit content: No
Aspect Ratio: 16:9
Screencast: No
Bumper: UCS Default
Trailer: UCS Default
 
Abstract: Co-authors: Scott Sheffield (MIT), Hao Wu (MIT)

Werner and Wu introduced a conformally invariant way of exploring the loops in a CLE4 Γ in a simply connected domain. Using the relationship between CLE4 and the Gaussian free field, we show that the dynamics of this exploration process are a deterministic function of the CLE4 loops, and we use this fact to construct a conformally invariant metric on Γ for which a ball of radius t coincides with the set of loops explored up to time t by the exploration process. It is conjectured that this metric space is related in the ϵ→0 limit to the contact graph metric on CLE4+ϵ as well as the contact graph metric on ϵ-neighborhoods of CLE4 loops.
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