This is a summary for the lecture differntial geometry of the winter term 2013/14 by Prof. Kotschick.
The PDF of this summary, you can find under the URL
https://homepages.physik.uni-muenchen.de/~Stephan.Kulla/diffgeo/diffgeo.pdf
If you want to make corrections or have any feedback, you will find my email adress on the site http://kulla.me/en/contact/ . You can also make merge-requests.