[monday_]

This is great and way better then the more long-winded textbook explanations. Math is around for a reason and it's good to see it at work by compressing a lot of material into still readable format.

Sure hope there's a similar primer on QFT.

[Koshkin]

I can recommend https://nononsensebooks.com/qft/ (as well as the rest of this excellent series of books).

[monday_]

Thanks!