OP-00763 Solution claimed Second-order Sobolev regularity of p-harmonic functions beyond the Cordes range AP · AIM Open Applied Problems · degenerate elliptic equations · p-Laplace equation · Sobolev regularity
OP-00818 Solution claimed Sharp weak integrability of planar Monge–Ampère Hessians AP · AIM Open Applied Problems · Monge–Ampère equation · quasiconformal maps · Sobolev regularity