"Version: 20191201"--Title page verso.Includes bibliographical references.1. Theoretical framework : the fundamentals of the 21 cm line -- 1.1. Radiative transfer of the 21 cm line -- 1.2. The spin temperature -- 1.3. Heating of the intergalactic medium2. Astrophysics from the 21 cm background -- 2.1. Properties of the high-z intergalactic medium -- 2.2. Sources of the UV and x-ray background -…
"Version: 20200901"--Title page verso.Includes bibliographical references.1. The universe on large and small scales -- 1.1. Homogeneous and isotropic cosmology -- 1.2. Hamiltonian -- 1.3. Geometry -- 1.4. Perturbative inhomogeneity -- 1.5. Spherically symmetric models -- 1.6. Full inhomogeneity2. Covariance -- 2.1. Lagrangian and Hamiltonian formulations -- 2.2. Action principles -- 2.3. Canoni…
"Version: 202112"--Title page verso.Includes bibliographical references.1. Overview of gravitational radiation -- 1.1. Radiation in general -- 1.2. What can generate gravitational radiation? -- 1.3. How can we detect gravitational radiation? -- 1.4. Exercises2. Sources of gravitational radiation -- 2.1. Compact binaries : general considerations -- 2.2. Nonbinary sources -- 2.3. Exercises3. Grav…