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Journal of Convex Analysis 26 (2019), No. 3, 903--909 Copyright Heldermann Verlag 2019 Erratum to: Isoperimetric Inequalities for the Principal Eigenvalue of a Membrane and the Energy of Problems with Robin Boundary Conditions Catherine Bandle Dep. Mathematik und Informatik, Universität Basel, 4051 Basel, Switzerland catherine.bandle@unibas.ch Alfred Wagner Institut für Mathematik, RWTH Aachen, 52062 Aachen, Germany wagner@instmath.rwth-aachen.de A correct version of Lemma 2.3 and Theorem 2.4 in Isoperimetric Inequalities for the Principal Eigenvalue of a Membrane and the Energy of Problems with Robin Boundary Conditions [J. Convex Analysis 22(3) (2015) 627--640] is presented. Keywords: Erratum, Rayleigh-Faber Krahn inequality, Robin boundary conditions, domain variation, harmonic transplantation. MSC: 49K20, 49R05, 15A42, 35J20, 35N25. [ Fulltext-pdf (84 KB)] for subscribers only. |