Lanczos tensor
... that the Lanczos tensor of general relativity exists only in four dimensions, suggesting our universe of four spacetime dimensions is special?
... that the <b id="mwAa8"><a href="./Lanczos_tensor" id="mwAbA" rel="mw:WikiLink" title="Lanczos tensor">Lanczos tensor</a></b> of <a href="./General_relativity" id="mwAbE" rel="mw:WikiLink" title="General relativity">general relativity</a> exists only in four dimensions, suggesting our universe of <a href="./Spacetime#Privileged_character_of_3+1_spacetime" id="mwAbI" rel="mw:WikiLink" title="Spacetime">four spacetime dimensions is special</a>?