Amdeberhan, Tewodros2020-01-082020-01-082001-06-06Amdeberhan, T. (2001). Two symmetry problems in potential theory. <i>Electronic Journal of Differential Equations, 2001</i>(43), pp. 1-5.1072-6691https://hdl.handle.net/10877/9153We consider two overdetermined boundary value problems as variants on J. Serrin's 1971 classical results and prove in both cases that the domains must be Euclidean balls.Text5 pages1 file (.pdf)enAttribution 4.0 InternationalOverdetermined problemsMaximum principlesArticleThis work is licensed under a Creative Commons Attribution 4.0 International License.