Harmonic maps between two concentric annuli in ${\mathbf{R}}^3$

David Kalaj

Given two annuli $\mathbf{A}(r,R)$ and $\mathbf{A}(r_{\ast },R_{\ast })$, in ${\mathbf{R}}^3$ equipped with the Euclidean metric and the weighted metric $|y{|}^{-2}$ respectively, we minimi…