Abstract
In this paper, we consider the regularity theory for fully nonlinear parabolic integro-differential equations with symmetric kernels. We are able to find parabolic versions of Alexandrov–Backelman–Pucci estimate with \(0<\sigma <2\). And we show a Harnack inequality, Hölder regularity, and \(C^{1,\alpha }\)-regularity of the solutions by obtaining decay estimates of their level sets.
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Ki-ahm Lee has been supported by the Korea-Sweden Research Cooperation Program. This project is part of an STINT (Sweden)-NRF (Korea) research cooperation program.
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Kim, YC., Lee, KA. Regularity results for fully nonlinear parabolic integro-differential operators. Math. Ann. 357, 1541–1576 (2013). https://doi.org/10.1007/s00208-013-0948-8
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DOI: https://doi.org/10.1007/s00208-013-0948-8