MEDITERRANEAN JOURNAL OF MATHEMATICS, cilt.13, sa.6, ss.4949-4959, 2016 (SCI-Expanded)
In this paper, we derive comparison theorems for a pair of nonlinear equations involving A-harmonic operator. In the special cases, our results give the well-known Leighton-type comparison results concerning the Finsler p-Laplacian, the p-Laplacian, and the pseudo p-Laplacian equations.