Ideals and Reality: Projective Modules and Number of Generators of Ideals (Springer Monographs in Mathematics) - Hardcover

Buch 32 von 187: Springer Monographs in Mathematics

Ischebeck, Friedrich; Rao, Ravi A.

 
9783540230328: Ideals and Reality: Projective Modules and Number of Generators of Ideals (Springer Monographs in Mathematics)
Hardcover
ISBN 10: 3540230327 ISBN 13: 9783540230328
Verlag: Springer, 2004

Inhaltsangabe

Besides giving an introduction to Commutative Algebra - the theory of c- mutative rings - this book is devoted to the study of projective modules and the minimal number of generators of modules and ideals. The notion of a module over a ring R is a generalization of that of a vector space over a field k. The axioms are identical. But whereas every vector space possesses a basis, a module need not always have one. Modules possessing a basis are called free. So a finitely generated free R-module is of the form Rn for some n E IN, equipped with the usual operations. A module is called p- jective, iff it is a direct summand of a free one. Especially a finitely generated R-module P is projective iff there is an R-module Q with P @ Q S Rn for some n. Remarkably enough there do exist nonfree projective modules. Even there are nonfree P such that P @ Rm S Rn for some m and n. Modules P having the latter property are called stably free. On the other hand there are many rings, all of whose projective modules are free, e. g. local rings and principal ideal domains. (A commutative ring is called local iff it has exactly one maximal ideal. ) For two decades it was a challenging problem whether every projective module over the polynomial ring k[X1,. . .

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Von der hinteren Coverseite

This monograph tells the story of a philosophy of J-P. Serre and his vision of relating that philosophy to problems in affine algebraic geometry. It gives a lucid presentation of the Quillen-Suslin theorem settling Serre's conjecture. The central topic of the book is the question of whether a curve in $n$-space is as a set an intersection of $(n-1)$ hypersurfaces, depicted by the central theorems of Ferrand, Szpiro, Cowsik-Nori, Mohan Kumar, Boratýnski.

The book gives a comprehensive introduction to basic commutative algebra, together with the related methods from homological algebra, which will enable students who know only the fundamentals of algebra to enjoy the power of using these tools. At the same time, it also serves as a valuable reference for the research specialist and as

potential course material, because the authors present, for the first time in book form, an approach here that is an intermix of classical algebraic K-theory and complete intersection techniques, making connections with the famous results of Forster-Swan and Eisenbud-Evans. A study of projective modules and their connections with topological vector bundles in a form due to Vaserstein is included. Important subsidiary results appear in the copious exercises.

Even this advanced material, presented comprehensively, keeps in mind the young student as potential reader besides the specialists of the subject.

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Verlag
Springer
Erscheinungsdatum
2004
Sprache
Englisch
ISBN 10 
3540230327
ISBN 13 
9783540230328
Einband
Gebundene Ausgabe
Anzahl der Seiten
350
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9783642061950: Ideals and Reality: Projective Modules and Number of Generators of Ideals (Springer Monographs in Mathematics)

Vorgestellte Ausgabe

ISBN 10:  3642061958 ISBN 13:  9783642061950
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Softcover