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math.PR2025
Scaling limits for the critical level-set percolation of the Gaussian free field on regular trees
Jiří Černý, Ramon Locher
We continue the study of the level-set percolation of the discrete Gaussian free field (GFF) on regular trees in the critical regime, initiated in arXiv:2302.02753. First, we deriv…
gr-qc2025
Canonical Quantization of Spherically Symmetric Einstein-Scalar Field Solutions
Jiří Černý
We investigate canonical quantization of a general spherically symmetric spacetimes with a massless scalar-field source and examine the associated constraint algebra. The spacetime…