Lecture number |
Date |
Content |
1 |
22.09.2017 |
Smooth manifolds and smooth maps. |
2 |
29.09.2017 |
Tangent space, the differential of a map, immersions and submersions. |
3 |
06.10.2017 |
The tangent bundle, vector fields and the Lie bracket (I). |
4 |
13.10.2017 |
Lie bracket (II) and partitions of unity. Riemannian metrics. |
5 |
20.10.2017 |
Existence of metrics, (local) isometries, lengths of curves. |
6 |
31.10.2017 |
Examples of lengths of curves and partitions of unity. The isometry group. |
7 |
03.11.2017 |
Smooth group actions and quotients. Isometric actions. |
8 |
07.11.2017 |
Riemannian quotients. Left-invariant metrics on Lie groups. |
9 |
14.11.2017 |
Affine connections and the covariant derivative (I). |
10 |
17.11.2017 |
The covariant derivative (II) and parallel transport. |
11 |
28.11.2017 |
Symmetric and compatible connections. The Levi-Civita connection. |
12 |
01.12.2017 |
The Christoffel symbols of the Levi-Civita connection. |
13 |
05.12.2017 |
Geodesics: definition, existence-uniqueness and the geodesic flow. |
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14 |
23.02.2018 |
The exponential map, examples. Distance functions. |
15 |
02.03.2018 |
Minimizing properties of geodesics. |
16 |
09.03.2018 |
The curvature tensor: definition and properties. |
17 |
16.03.2018 |
Sectional curvature (I). |
18 |
23.03.2018 |
Sectional curvature (II) and Jacobi fields (I). |
19 |
13.04.2018 |
Jacobi fields (II). |
20 |
20.04.2018 |
Conjugate points. Completeness. |
21 |
27.04.2018 |
Hopf-Rinow theorem. Non-positive curvature: Cartan-Hadamard theorem. |
22 |
04.05.2018 |
Isometric immersions. The curvature of the sphere. |
23 |
18.05.2018 |
The curvature of the hyperbolic space. Manifolds with constant curvature. |
24 |
25.05.2018 |
Variations of energy. Positive curvature: Bonnet-Myers theorem. |
|
08.06.2018 |
Exam. |
|
13.09.2018 |
Exam. |