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Class Field Theory: From Theory to Practice

by Georges Gras
Save 35% Save 35%
Current price ₹10,174.00
Original price ₹15,651.00
Original price ₹15,651.00
Original price ₹15,651.00
(-35%)
₹10,174.00
Current price ₹10,174.00

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Book cover type: Hardcover
  • ISBN13: 9783540441335
  • Binding: Hardcover
  • Subject: N/A
  • Publisher: Springer
  • Publisher Imprint: Springer
  • Publication Date:
  • Pages: 491
  • Original Price: EUR 139.99
  • Language: English
  • Edition: 2003. Corr. 2nd
  • Item Weight: 912 grams
  • BISAC Subject(s): Number Theory

From the Back Cover

Global class field theory is a major achievement of algebraic number theory, based on the functorial properties of the reciprocity map and the existence theorem. The author works out the consequences and the practical use of these results by giving detailed studies and illustrations of classical subjects (classes, idèles, ray class fields, symbols, reciprocity laws, Hasse's principles, the Grunwald-Wang theorem, Hilbert's towers, ...). He also proves some new or less-known results (reflection theorem, structure of the abelian closure of a number field) and lays emphasis on the invariant (/cal T) p, of abelian p-ramification, which is related to important Galois cohomology properties and p-adic conjectures. This book, intermediary between the classical literature published in the sixties and the recent computational literature, gives much material in an elementary way, and is suitable for students, researchers, and all who are fascinated by this theory.

In the corrected 2nd printing 2005, the author improves some mathematical and bibliographical details and adds a few pages about rank computations for the general reflection theorem; then he gives an arithmetical interpretation for usual class groups, and applies this to the Spiegelungssatz for quadratic fields and for the p-th cyclotomic field regarding the Kummer--Vandiver conjecture in a probabilistic point of view.

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