@Article{ MarRimVer20, author = { Honda, Shouhei and Mari, Luciano and Rimoldi, Michele and Veronelli, Giona }, title = { Density and non-density of $C^\infty_c \hookrightarrow W^{k,p}$ on complete manifolds with curvature bounds }, journal = { Nonlinear Anal. }, year = { 2021 }, doi = { 10.1016/j.na.2021.112429 }, volume = { 211 }, number = { Paper No. 112429 }, pages = { 26 }, URL = { http://cvgmt.sns.it/paper/4918/ }, note = { cvgmt preprint} }