1 “...This book presents in a unified and concrete way the beautiful and deep mathematics - both...”

2 “..., and results, and an account of their application to concrete equidistribution questions concerning Kloosterman...”

3 “... theory. Establishing the periodicity of order two, the author shows, following Atiyah, that a concrete...”

4 “... and their applications. It is a concrete and easy introduction to the kind of homological algebra which has been...”

5