The spatial gradient of solutions to non-homogeneous and degenerate parabolic equations of -Laplacean type can be pointwise estimated by natural Wolff potentials of the right hand side measure.
Cite this article
Giuseppe Mingione, Tuomo Kuusi, The Wolff gradient bound for degenerate parabolic equations. J. Eur. Math. Soc. 16 (2014), no. 4, pp. 835–892