Jean-Pierre Serre

November 3, 2011
by A K Peters/CRC Press

Reference
- 174 Pages

ISBN 9781466501928 - CAT# K14408

Series: Research Notes in Mathematics

**For Librarians** Available on CRCnetBASE >>

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**Lectures on N _{X}**

Along with covering open problems, the text examines the size and congruence properties of N_{X}(p) and describes the ways in which it is computed, by closed formulae and/or using efficient computers.

The first four chapters cover the preliminaries and contain almost no proofs. After an overview of the main theorems on N_{X}(p), the book offers simple, illustrative examples and discusses the Chebotarev density theorem, which is essential in studying frobenian functions and frobenian sets. It also reviews ℓ-adic cohomology.

The author goes on to present results on group representations that are often difficult to find in the literature, such as the technique of computing Haar measures in a compact ℓ-adic group by performing a similar computation in a real compact Lie group. These results are then used to discuss the possible relations between two different families of equations X and Y. The author also describes the Archimedean properties of N_{X}(p), a topic on which much less is known than in the ℓ-adic case. Following a chapter on the Sato-Tate conjecture and its concrete aspects, the book concludes with an account of the prime number theorem and the Chebotarev density theorem in higher dimensions.