A conformally invariant growth process of SLE excursions

We construct an aggregation process of chordal SLE(κ) excursions in the unit disk, starting from the boundary, growing towards all inner points simultaneously, invariant under all conformal self-maps of the disk. We prove that this conformal growth process of excursions, abbreviated as CGE(κ), exists iff κ\in [0,4), and that it does not create additional fractalness: the Hausdorff dimension of the closure of all the SLE(κ) arcs attached is 1+κ/8 almost surely. We determine the dimension of points that are approached by CGE(κ) at an atypical rate, and construct conformally invariant random fields on the disk based on CGE(κ).

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