Register to reply

Diagrammatic Notation

by Eidos
Tags: diagrammatic, notation
Share this thread:
Apr10-08, 11:08 AM
P: 108
Hi guys

I was first introduced to diagrammatic notation in Roger Penrose's book "Road to Reality".
I wanted to know if any of you are familiar with diagrammatic notation for tensors? As such, is it worthwhile learning? Its certainly alot clearer (for me anyway :P) than index notation for some of the more complicated structures.

I quite like the way contraction looks and a few of the graphical 'proofs' seem very natural (like the determinant of a product being the product of the determinants).

As an aside: If you were to add two tensors of the same valence, what would the new structure look like?

Phys.Org News Partner Science news on
Apple to unveil 'iWatch' on September 9
NASA deep-space rocket, SLS, to launch in 2018
Study examines 13,000-year-old nanodiamonds from multiple locations across three continents
Apr10-08, 06:40 PM
P: 448
It's junk, in my opinion.

Register to reply

Related Discussions
Penrose's diagrammatic notation Differential Geometry 5
Set Notation Precalculus Mathematics Homework 3
Index notation vs Dirac notation Special & General Relativity 6
Bra-Ket and Ket-Bra Notation Advanced Physics Homework 1
Big O Notation Calculus & Beyond Homework 5