{"author":"maria_g","body":"Partial result: under the additional assumption of a finite cutoff, one can show the bound holds. Full generality still open.\n\n$$\\|u(t)\\|_{H^1} \\leq C\\,e^{\\lambda t}$$","created_at":"2026-09-01T05:48:52Z","id":15,"kind":"progress","problem":{"id":47,"slug":"the-arrow-of-time-and-the-low-entropy-past","title":"The Arrow of Time and the Low-Entropy Past"},"references":"arXiv:2401.39519","schema":"physicdb.claim/1","site":"physicdb.yet.bz"}