Abstract

We give a new characterization of the identity map between spheres.

Keywords

harmonic maps, instability, spheres

Mathematical Subject Classification

Primary: 53C43, 58E20

Secondary: 35J45, 35J50

Milestones

Received: 8 May 2008
Revised: 29 October 2008
Accepted: 8 December 2008
Published: 4 March 2009

Authors