Chapter 1 Four Lectures on Asymptotically Flat Riemannian Manifolds

Chapter 2 Lectures on Linear Stability of Rotating Black Holes

Chapter 3 The Bianchi Classification of the Three-Dimensional Lie Algebras and Homogeneous Cosmologies and the Mixmaster Universe

Chapter 4 The Physics of LIGO–Virgo

Chapter 5 Generation of Initial Data for General-Relativistic Simulations of Charged Black Holes

Chapter 6 BMS Symmetries and Holography: An Introductory Overview

Chapter 7 Relativity of Observer Splitting Formalism and Some Astrophysical Applications

Chapter 8 Some Remarks on a New Exotic Spacetime for Time Travel by Free Fall

Chapter 9 Schwarzschild Spacetime Under Generalised Gullstrand–Painlevé Slicing

Chapter 11 Electrogeodesics and Extremal Horizons in Kerr–Newman–(anti-)de Sitter

Chapter 12 Hearing the Nature of Compact Objects

Chapter 13 Minisuperspace Quantisation via Conditional Symmetries