%0 Journal Article %A Jacob Calvert %A Shirshendu Ganguly %A Alan Hammond %T Collapse and diffusion in harmonic activation and transport %J Forum of Mathematics, Sigma %D 2023 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2023.81/ %R 10.1017/fms.2023.81 %G en %F 10_1017_fms_2023_81