- #1

Heidi

- 411

- 40

- TL;DR Summary
- from Penrose diagrams to spin networks

Hi Pfs

Marcus wrote a huge bibliography during many years about LQG.

but i do not see where to find an answer to a question. Penrose draw diagrams with edges labelled by numbers. What is the reason why later number were replaced by SU(2) representations?

Marcus wrote a huge bibliography during many years about LQG.

but i do not see where to find an answer to a question. Penrose draw diagrams with edges labelled by numbers. What is the reason why later number were replaced by SU(2) representations?

*tÿ*
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