Exer. 15.1
Exer. 15.2
Exer. 15.3
Exer. 15.4
Exercise 15.5 Mapping the 3-sphere to the tangent bundle on the 2-sphere
Exercise 15.5b Another solution
Exer. 15.6
Exer. 15.7
Exer. 15.8
Exer. 15.9
Exer. 15.10
Exer. 15.11
Exer. 15.12
Exer. 15.13
Exer. 15.14 Model of a gauge connection on the complex plane
Exer. 15.14 another solution