Abstract
We derive the quantitative modulus of continuity
which we conjecture to be optimal for solutions of the p-degenerate two-phase Stefan problem. Even in the classical case p = 2, this represents a twofold improvement with respect to the early 1980’s state-of-the-art results by Caffarelli– Evans (Arch Rational Mech Anal 81(3):199–220, 1983) and DiBenedetto (Ann Mat Pura Appl 103(4):131–176, 1982), in the sense that we discard one logarithm iteration and obtain an explicit value for the exponent α(n, p).
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Baroni, P., Kuusi, T. & Urbano, J.M. A Quantitative Modulus of Continuity for the Two-Phase Stefan Problem. Arch Rational Mech Anal 214, 545–573 (2014). https://doi.org/10.1007/s00205-014-0762-9
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DOI: https://doi.org/10.1007/s00205-014-0762-9