Burkholder integrals, Morrey's problem and quasiconformal mappings

Kari Astala, Tadeusz Iwaniec, István Prause +1

Inspired by Morrey's Problem (on rank-one convex functionals) and the Burkholder integrals (of his martingale theory) we find that the Burkholder functionals $B_p$, $p\ge 2$, are…