New posts in Spacetime Dimensions

3d solutions for 1d Schrödinger equation?

Is a Schwarzschild solution possible in 3 space-time dimensions?

Proof of Coulomb's law in two and higher dimensions

Limitations/breakdown of Mermin-Wagner Theorem

How can extra dimensions be small?

How exactly does spacetime change inside a black hole?

In 4 spatial dimensions, would motion under a central force law be confined to a plane?

Is the "spacetime" the same thing as the mathematical 4th dimension?

Finding the dimensions of a spacetime given the Riemann tensor

Triviality of Yang Mills in $d>4$?