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Algebraic topology --- 515.14 --- Algebraic spaces. --- Homotopy theory. --- 515.14 Algebraic topology
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This volume is a sequel to “Manis Valuation and Prüfer Extensions I,” LNM1791. The Prüfer extensions of a commutative ring A are roughly those commutative ring extensions R / A,where commutative algebra is governed by Manis valuations on R with integral values on A. These valuations then turn out to belong to the particularly amenable subclass of PM (=Prüfer-Manis) valuations. While in Volume I Prüfer extensions in general and individual PM valuations were studied, now the focus is on families of PM valuations. One highlight is the presentation of a very general and deep approximation theorem for PM valuations, going back to Joachim Gräter’s work in 1980, a far-reaching extension of the classical weak approximation theorem in arithmetic. Another highlight is a theory of so called “Kronecker extensions,” where PM valuations are put to use in arbitrary commutative ring extensions in a way that ultimately goes back to the work of Leopold Kronecker.
Commutative algebra. --- Commutative rings. --- Prüfer rings. --- Commutative semihereditary domains --- Commutative semihereditary entire rings --- Domains, Commutative semihereditary --- Domains, Prüfer --- Entire rings, Commutative semihereditary --- Prüfer domains --- Prüfer's domains --- Prüfer's rings --- Semihereditary domains, Commutative --- Semihereditary entire rings, Commutative --- Rings (Algebra) --- Algebra --- Algebra. --- Commutative Rings and Algebras. --- Mathematics --- Mathematical analysis
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Algebraic geometry --- Algebraic topology --- 51 --- Mathematics --- Algebraic spaces. --- Categories (Mathematics) --- Homotopy theory. --- Categories (Mathematics). --- 51 Mathematics
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Forms, Quadratic --- Forms, Pfister --- Algebraic fields --- Quadratic forms --- Diophantine analysis --- Forms, Binary --- Number theory --- Pfister forms --- Algebraic number fields --- Algebraic numbers --- Fields, Algebraic --- Algebra, Abstract --- Algebraic number theory --- Rings (Algebra) --- Formes quadratiques --- Corps et polynomes
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The specialization theory of quadratic and symmetric bilinear forms over fields and the subsequent generic splitting theory of quadratic forms were invented by the author in the mid-1970's. They came to fruition in the ensuing decades and have become an integral part of the geometric methods in quadratic form theory. This book comprehensively covers the specialization and generic splitting theories. These theories, originally developed mainly for fields of characteristic different from 2, are explored here without this restriction. In this book, a quadratic form φ over a field of characteristic 2 is allowed to have a big quasilinear part QL(φ) (defined as the restriction of φ to the radical of the bilinear form associated to φ), while in most of the literature QL(φ) is assumed to have dimension at most 1. Of course, in nature, quadratic forms with a big quasilinear part abound. In addition to chapters on specialization theory, generic splitting theory and their applications, the book's final chapter contains research never before published on specialization with respect to quadratic places and will provide the reader with a glimpse towards the future.
Algebraic fields. --- Bilinear forms. --- Forms, Quadratic. --- Forms, Quadratic --- Bilinear forms --- Algebraic fields --- Mathematics --- Physical Sciences & Mathematics --- Algebra --- Algebra. --- Mathematics. --- Math --- Science --- Mathematical analysis
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Algebra. --- Àlgebra --- Matemàtica --- Àlgebra universal --- Algorismes --- Anàlisi combinatòria --- Àlgebra commutativa --- Anàlisi diofàntica --- Anàlisi espinorial --- Anàlisi p-àdica --- Àlgebra multilineal --- Àlgebres associatives --- Àlgebres no commutatives --- Combinatòria (Matemàtica) --- Congruències i residus --- Determinants (Matemàtica) --- Equacions --- Estructures algebraiques ordenades --- Factors (Àlgebra) --- Formes (Matemàtica) --- Interpolació (Matemàtica) --- Logaritmes --- Permutacions --- Representacions d'àlgebres --- Sèries (Matemàtica) --- Successions (Matemàtica) --- Teorema del binomi --- Teoria de grups --- Teoria de nombres --- Teoria de la dualitat (Matemàtica) --- Anàlisi matemàtica --- Mathematics --- Mathematical analysis
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