Sumários
The cosmological fluid
6 Março 2025, 11:30 • Ismael Tereno
Energy momentum-tensor
Einstein equations
Dark energy
Density parameters
Postponed for lack of students / Discussion of Homework 2
28 Fevereiro 2025, 14:30 • Ismael Tereno
Only one student present.
This time slot is not very convenient for the students, and since they are only 4 any absence is noticed. We may try to find an alternative time.
Class postponed to Friday 14th at 13h30.
Discussion of Homework 2.
Fundamental concepts of the homogeneous Universe (continued)
27 Fevereiro 2025, 12:30 • Ismael Tereno
Cosmological distances
Introduction to General Relativity
Fundamental concepts of the homogeneous Universe (continued)
27 Fevereiro 2025, 11:30 • Ismael Tereno
Hubble law
Robertson-Walker metric and its degrees of freedom
Cosmological parameters
Curvature
Fundamental concepts of the Homogeneous Universe
21 Fevereiro 2025, 14:30 • Ismael Tereno
Cosmological principle
Homogeneities are perturbations in the Universe The Olbers paradox and the universal redshift
Expansion, scale factor, coming coordinates