Background and motivations
Basic results and problems of twistor approach
Results about twistors relevant for TGD
Basic definitions related to twistor spaces
Why twistor spaces with Kähler structure?
About the identification of 6-D twistor spaces as sub-manifolds of 12-D twistor space
Conditions for twistor spaces as sub-manifolds
Twistor spaces by adding CP1 fiber to space-time surfaces
Twistor spaces as analogs of Calabi-Yau spaces of super string models
Witten's twistor string approach and TGD
Basic ideas about twistorialization of TGD
The emergence of the fundamental 4-fermion vertex and of boson exchanges
What about SUSY in TGD?
What does one really mean with the induction of imbedding space spinors?
About the twistorial description of light-likeness in 8-D sense using octonionic spinors
How to generalize Witten's twistor string theory to TGD framework?
Does BCFW recursion have counterpart in TGD?
Possible connections of TGD approach with the twistor Grassmannian approach
Permutations, braidings, and amplitudes
Could the Universe be doing Yangian arithmetics?
Do scattering amplitudes represent quantal algebraic manipulations?
Generalized Feynman diagram as shortest possible algebraic manipulation connecting initial and final algebraic objects
This was not the whole story yet
From Principles To Diagrams
Some mathematical background
Surprise: twistorial dynamics does not reduce to a trivial reformulation of the dynamics of Kähler action
Basic principles behind construction of amplitudes
Some mathematical details about Grasmannian formalism
Yangian algebra and its super counterpart
Twistors and momentum twistors and super-symmetrization
Brief summary of the work of Arkani-Hamed and collaborators
The general form of Grassmannian integrals
Canonical operations for Yangian invariants
Explicit formulation for recursion relation