Singular eigenvalue limit of advection-diffusion operators and properties of the strange eigenfunctions in globally chaotic flowsStefano Cerbelli, Massimiliano Giona, Olexander Gorodetskyi and Patrick D. AndersonEur. Phys. J. Special Topics, 226 10 (2017) 2247-2262DOI: https://doi.org/10.1140/epjst/e2017-70068-6