An Orlicz variational formula for David-type Beltrami equations

Ryo Matsuda

Let $\mathcal{U}⋐\mathbb{C}$ be fixed, $\Phi (s)=e^s-s-1$, $F(\nu )=\frac{\nu }{2+|\nu |}$, and let $f^{F(\nu )}$ denote the principal solution of the corresponding Beltrami equation. The id…