Is $C_0^\infty $ dense in $W^{m,p}$?
Here $C_0^\infty$ = $C_c ^ \infty$ : $C^\infty$ with compact supports, and $W^{m,p}$ : Sobolev spaces.
Is $C_0^\infty $ dense in $W^{m,p}$?
Here $C_0^\infty$ = $C_c ^ \infty$ : $C^\infty$ with compact supports, and $W^{m,p}$ : Sobolev spaces.