Interior Sobolev regularity for fully nonlinear parabolic equations

Interior Sobolev regularity for fully nonlinear parabolic equations In the present paper, we establish sharp Sobolev estimates for solutions of fully nonlinear parabolic equations, under minimal, asymptotic, assumptions on the governing operator. In particular, we prove that solutions are in $$W^{2,1;p}_{ loc }$$ W l o c 2 , 1 ; p . Our argument unfolds by importing improved regularity from a limiting configuration. In this concrete case, we recur to the recession function associated with F. This machinery allows us to impose conditions solely on the original operator at the infinity of $$\mathcal {S}(d)$$ S ( d ) . From a heuristic viewpoint, integral regularity would be set by the behavior of F at the ends of that space. Moreover, we explore a number of consequences of our findings, and develop some related results; these include a parabolic version of Escauriaza’s exponent, a universal modulus of continuity for the solutions and estimates in p-BMO spaces. Calculus of Variations and Partial Differential Equations Springer Journals

Interior Sobolev regularity for fully nonlinear parabolic equations

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Springer Berlin Heidelberg
Copyright © 2017 by Springer-Verlag GmbH Germany
Mathematics; Analysis; Systems Theory, Control; Calculus of Variations and Optimal Control; Optimization; Theoretical, Mathematical and Computational Physics
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