12.8.3 Can you answer these questions?

12.8.3.1 How to contract two symbolic expressions?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=318829

I have a Mathematica algorithm Wick, which gives me the following output 
... 
[list-manipulation] [physics] [algebraic-manipulation] [tensors] [indexed-variable]
 

asked by Green's Second Lemma https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116202 Score of 1

12.8.3.2 What is the reason of incorrect results of `LaplaceTransform`?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=318814

In 14.3 on Windows I obtain 
 Simplify[LaplaceTransform[BesselI[1, x], x, p]] 
 
 
... 
[bugs] [special-functions] [integral-transforms]
 

asked by user64494 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7152 Score of 4

answered by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172 Score of 0