2 problems

Let $f_\kappa$ denote the Standard Map with coupling constant $\kappa$, and consider the set of parameter values for which $f_\kappa$ has at least one elliptic island. Carleson's c…

Let $F_*$ be the universal area-preserving map, let $\mathcal{D}^\infty$ be its domain of analytic continuation, and let $\tilde{\mathcal{D}}^\infty$ denote the corresponding invar…