Exer. 33.1
Exer.33.2 Compactified Minkowski space!
Exer.33.2 Another solution
Exer. 33.3
Exer. 33.4
Exer.33.5 Compactified Minkowski space as a conic section
Exer. 33.6
Exer. 33.7
Exer.33.8 The celestial sphere is a conformal manifold
Exer. 33.9
Exer. 33.10
Exer.33.11 A 0-length twistor is associated with (at least one) spacetime event
Exer.33.11 Another solution
Exer. 33.12
Exer. 33.13
Exer. 33.14
Exer. 33.15
Exer. 33.16 The plane of points incident to a twistor is self-dual. Anti self-dual for dual twistor.
Exer. 33.17
Exer. 33.18 The center of a twistor configuration can't be regarded as the path of a spinning particle
Exer. 33.19 Why is the twistor commutator a real number?
Exer. 33.19 Another solution
Exer. 33.20
Exer. 33.21
Exer. 33.22
Exer. 33.23 See the answer to Exercise 33.24
Exer. 33.24 Massless free field equation for a photon = Maxwell's equations in empty space
Exer. 33.25
Exer. 33.26
Exer. 33.27
Exer. 33.28
Exer. 33.29
Exer. 33.30
Sec. 33.9 First analytic sheaf cohomology of the complex plane
Sec. 33.11 Making curved twistor space by drying paint. Also the answer to Exer. 33.28.