Fourier analysis

Signed-off-by: Nicolai Hähnle <haehnle@or.uni-bonn.de>
Chapter 6

Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
Chapter 6: Lattice enumeration
Chapter 6
Work in progress: Lattice enumeration
Correct minor mistakes
Correct codomain of orthogonal projection
Lattice enumeration first part

Signed-off-by: Nicolai Hähnle <haehnle@or.uni-bonn.de>
Enumeration via ellipsoid coverings

Signed-off-by: Nicolai Hähnle <haehnle@or.uni-bonn.de>
Merge pull request #2 from kivantos/master

Corrected contributors name
Merge pull request #3 from anherm/master

Correct minor mistakes
Merge new chapter and additions
Add contributor

Signed-off-by: Nicolai Hähnle <haehnle@or.uni-bonn.de>