By Goro Shimura
A ebook on any mathematical topic past the textbook point is of little price until it comprises new rules and new views. It is helping to incorporate new effects, only if they provide the reader new insights and are provided besides recognized outdated ends up in a transparent exposition. it's with this philosophy that the writer writes this quantity. the 2 topics, Dirichlet sequence and modular types, are conventional matters, yet the following they're taken care of in either orthodox and unorthodox methods. whatever the unorthodox therapy, the writer has made the e-book obtainable to those that will not be accustomed to such issues through together with lots of expository fabric.