Amdeberhan, Tewodros2020-06-092020-06-092001-06-06Amdeberhan, 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/10877/11589We 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 principlesArticle