Exer. 28.1
Exer.28.2 Electroweak symmetry breaking
Exer. 28.3
Exer.28.4 Exponential de Sitter metric
Exer. 28.5
Exer.28.6 Ricci tensor is proportional to the metric tensor in (anti)de Sitter space
Exer. 28.7
Exer. 28.8
Exer. 28.9
Exer. 28.10
Exer. 28.11
Exer. 28.12
Exer. 28.13