%0 Journal Article %A Terence L. J. Harris %T An a.e. lower bound for Hausdorff dimension under vertical projections in the Heisenberg group %J Annales Fennici Mathematici %D 2020 %P 723–737-723–737 %V 45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2020.4529/ %R 10.5186/aasfm.2020.4529 %G en %F AFM_2020_45_2_a6