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A. Genschaw and S. Hofmann, A weak reverse Holder inequality for caloric measure. arXiv: 1809.10510, to appear in the Journal of Geometric Analysis.
https://arxiv.org/abs/1809.10510  

A. Genschaw and S. Hofmann, BMO solvability and absolute continuity of caloric measure, arXiv: 1904.08407, submitted.
https://arxiv.org/abs/1904.08407