remarks on the gradient of an infinity-harmonic function
;Tilak Bhattacharya
icsoft 2006 - 1st international conference on software and data technologies, proceedings2007Vol. 2007pp. 1-11
137
bhattacharya2007electronicremarks
Abstract
In this work we (i) prove a maximum principle for the modulus of the gradient of infinity-harmonic functions, (ii) prove some local properties of the modulus, and (iii) prove that if the modulus is constant on the boundary of a planar disc then it is constant inside.