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The p-adic numbers, the earliest of local fields, were introduced by Hensel some 70 years ago as a natural tool in algebra number theory. Today the use of this and other local fields pervades much of mathematics, yet these simple and natural concepts, which often provide remarkably easy solutions to complex problems, are not as familiar as they should be. This book, based on postgraduate lectures at Cambridge, is meant to rectify this situation by providing a fairly elementary and self-contained introduction to local fields. After a general introduction, attention centres on the p-adic numbers and their use in number theory. There follow chapters on algebraic number theory, diophantine equations and on the analysis of a p-adic variable. This book will appeal to undergraduates, and even amateurs, interested in number theory, as well as to graduate students.
Local fields (Algebra) --- 511.6 --- 511.6 Algebraic number fields --- Algebraic number fields --- Fields, Local (Algebra) --- Algebraic fields --- Local fields (Algebra).
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This introduction to recent work in p-adic analysis and number theory will make accessible to a relatively general audience the efforts of a number of mathematicians over the last five years. After reviewing the basics (the construction of p-adic numbers and the p-adic analog of the complex number field, power series and Newton polygons), the author develops the properties of p-adic Dirichlet L-series using p-adic measures and integration. p-adic gamma functions are introduced, and their relationship to L-series is explored. Analogies with the corresponding complex analytic case are stressed. Then a formula for Gauss sums in terms of the p-adic gamma function is proved using the cohomology of Fermat and Artin-Schreier curves. Graduate students and research workers in number theory, algebraic geometry and parts of algebra and analysis will welcome this account of current research.
p-adic analysis. --- Analysis, p-adic --- Algebra --- Calculus --- Geometry, Algebraic --- p-adic analysis --- #WWIS:d.d. Prof. L. Bouckaert/ALTO --- 511.6 --- 511.6 Algebraic number fields --- Algebraic number fields --- P-adic analysis. --- Number theory
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Algebraic number fields
Algebraic fields. --- Class field theory. --- Teoría de Números y Algebra Computacional (4104226) --- Bibliografía recomendada --- Algebraic number theory --- Algebraic number fields --- Algebraic numbers --- Fields, Algebraic --- Algebra, Abstract --- Rings (Algebra) --- Algebraic fields --- Class field theory --- 511.6 --- 511.6 Algebraic number fields --- Nombres, Théorie des --- Corps algébriques --- Number theory --- Nombres, Théorie des --- Corps algébriques
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The second edition is a corrected and extended version of the first. It is a textbook for students, as well as a reference book for the working mathematician, on cohomological topics in number theory. The first part provides algebraic background: cohomology of profinite groups, duality groups, free products, and homotopy theory of modules, with new sections on spectral sequences and on Tate cohomology of profinite groups. The second part deals with Galois groups of local and global fields: Tate duality, structure of absolute Galois groups of local fields, extensions with restricted ramificatio
Algebraic fields. --- Galois theory. --- Homology theory. --- Cohomology theory --- Contrahomology theory --- Algebraic number fields --- Algebraic numbers --- Fields, Algebraic --- Number Theory. --- Algebraic Geometry. --- Group Theory and Generalizations. --- Geometry, algebraic. --- Mathematics. --- Algebraic geometry. --- Group theory. --- Number theory. --- Algebraic fields --- Galois theory --- Homology theory --- 511.6 --- Algebraic topology --- Equations, Theory of --- Group theory --- Number theory --- Algebra, Abstract --- Algebraic number theory --- Rings (Algebra) --- 511.6 Algebraic number fields --- Groups, Theory of --- Substitutions (Mathematics) --- Algebra --- Algebraic geometry --- Geometry --- Number study --- Numbers, Theory of
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This book provides a comprehensive introduction to modern global variational theory on fibred spaces. It is based on differentiation and integration theory of differential forms on smooth manifolds, and on the concepts of global analysis and geometry such as jet prolongations of manifolds, mappings, and Lie groups. The book will be invaluable for researchers and PhD students in differential geometry, global analysis, differential equations on manifolds, and mathematical physics, and for the readers who wish to undertake further rigorous study in this broad interdisciplinary field.
Number theory --- 511.6 --- Algebraic number fields --- Class field theory. --- 511.6 Algebraic number fields --- Algebraic number theory --- Complex analysis --- Mathematical potential theory --- Algebraic geometry --- Functions of several complex variables. --- Differential equations, Partial. --- Analytic functions. --- Sports administration --- Surfaces, Cubic --- 512.7 --- 512.7 Algebraic geometry. Commutative rings and algebras --- Algebraic geometry. Commutative rings and algebras --- Surfaces, Cubic. --- Surfaces cubiques --- 517.55 --- 796.062 --- 796.062 Organisatie, management en marketing van sport en recreatie --- Organisatie, management en marketing van sport en recreatie --- Sports --- Management --- Organization and administration --- Géométrie algébrique --- Corps de classe
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