- #1
LostConjugate
- 850
- 3
[tex]\partial_u \partial^u [/tex]
Isn't this like a box symbol? How is it written out again? You can write it out in 2 dimensions x,t no need to include all 3 spatial dimensions.
Isn't this like a box symbol? How is it written out again? You can write it out in 2 dimensions x,t no need to include all 3 spatial dimensions.