Erlangen programme at large: SL(2,R) case study - Lecture 3 (2018)
Channel: Vladimir V. Kisil
Date: 2018-10-26

1. Complex, dual and double numbers
2. Iwasawa decomposition SL(2,R)=ANK
3. Moebius transfoprmations produced by subgroups A, N, K
4. Unification of all three cases in higher dimensions
5. Fix subgroups of hypercomplex units.
6. Invariant family of cycles
7. Divisors of zeros, compactification and stereographic projection