# Newton's cosmological constant

20 Mar 2019can you show that in 3 dimensions \(\Phi\propto 1/r\) solves the equation \(\Delta\Phi = \mathrm{const}\) as well as \(\Phi\propto r^2\)?

can you show that in 3 dimensions \(\Phi\propto 1/r\) solves the equation \(\Delta\Phi = \mathrm{const}\) as well as \(\Phi\propto r^2\)?