A remark on gradients of harmonic functions

  • Wensheng Wang

    University of Southern California, Los Angeles, USA

Abstract

In any domain there is nonzero harmonic function continuous up to the boundary such that the function and its gradient on the boundary vanish on a set of positive measure.

Cite this article

Wensheng Wang, A remark on gradients of harmonic functions. Rev. Mat. Iberoam. 11 (1995), no. 2, pp. 227–245

DOI 10.4171/RMI/171