Difference between position of indexes in tensor notation (SR)
48192
Staggered Indices ($\Lambda^\mu{}_\nu$ vs. $\Lambda_\mu{}^\nu$) on Lorentz Transformations
38412
Basis for tensor products
100272
Why do we select the metric tensor for raising and lowering indices?
130253
Differentiating $\mbox{tr} (ABA^TC)$ w.r.t. $A$
29952
Time-ordering vs normal-ordering and the two-point function/propagator
50090
one-dimensional array shapes (length,) vs. (length,1) vs. (length)
51942
Axis/vector notation in Minkowski diagrams
61474
How to typeset indices before a symbol?
15197
Relation between trace and rank for projection matrices
49437
Does the order of columns in a covering index matter?
135638
The difference between \e and ^[
115451
What is the difference between a tensor, vector, and a matrix?
107543
What is the difference between a spinor and a vector or a tensor?
128838
Showing a tensor is not a simple tensor
95412
Tensoring is not left exact
106212
Multiple derivative notation
14514
Why do Mathematica list indices start at 1?