*Introduction to 3-Manifolds* Winter 2014

### Instructor: Danny Calegari

### Tu-Th 1:30-2:50 Eckhart 202

### Description of course:

This course is an introduction to the topology and geometry of 3-manifolds.

### Cancellations:

The classes on Tuesday February 11 and Tuesday February 18 are cancelled

### Notices:

None yet.

### Syllabus:

The skeleton of the syllabus is the following.

- Loop theorem/Dehn's lemma, Sphere theorem
- Prime decomposition, JSJ decomposition
- Hierarchies, Haken manifolds
- Thurston norm and foliations, sutured hierarchies

### Notes from class:

Notes from class will be posted online

here and updated as we go along (notes updated 11/12/2014).

### References:

The following references are just suggestions: