Caffarelli, Luis A. A remark on the Hausdorff measure of a free boundary, and the convergence of coincidence sets. (English) Zbl 0453.35085 Boll. Unione Mat. Ital., V. Ser., A 18, 109-113 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 29 Documents MSC: 35R30 Inverse problems for PDEs Keywords:Hausdorff measure of a free boundary; convergence of coincidence sets; obstacle free boundary problem; stability of regular free boundaries PDF BibTeX XML Cite \textit{L. A. Caffarelli}, Boll. Unione Mat. Ital., V. Ser., A 18, 109--113 (1981; Zbl 0453.35085)