Dette er en gammel utgave av dokumentet!
Lecture 10 Notes of this lecture include also Lecture 11.
There will be no lecture notes regarding lectures on 17.10 and 19.10. See the book
of Grochenig Sec. 4.3; Theorem 4.4.1, and sectons 11.1-11.3, 12.1 - 12.3 for content of these levtures.