[keithalewis]

This is incomplete, incorrect, and irrelevant. Standard notation already exists. I'm sure it is fun to draw squiggly lines and some people enjoy reinventing the wheel. Spend some time learning what others have taught us before striking out on your own lonely path.

[llm_trw]

This is standard notation that's been used for decades.

https://arxiv.org/abs/2402.01790v1

[chriskanan]

This paper motivates and explains concepts much better than the Tensor Cookbook.

[keithalewis]

"This book aims to standardize the notation for tensor diagrams..." https://youtu.be/zELbzXAmcUA?t=73

[thomasahle]

Highly recommend this note by Jordan Taylor.

[HighlandSpring]

Do point us at this standard notation

[ok123456]

https://en.wikipedia.org/wiki/Einstein_notation