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Description
Rational Quadratic FormsThis exploration of quadratic forms over rational numbers and rational integers offers an excellent elementary introduction to many aspects of a classical subject, including recent developments. The author, a Professor Emeritus at Trinity College, University of Cambridge, offers a largely self contained treatment that develops most of the prerequisites. Topics include the theory of quadratic forms over local fields, forms with integral coefficients,
This exploration of quadratic forms over rational numbers and rational integers offers an excellent elementary introduction to many aspects of a classical subject, including recent developments. The author, a Professor Emeritus at Trinity College, University of Cambridge, offers a largely self-contained treatment that develops most of the prerequisites.Topics include the theory of quadratic forms over local fields, forms with integral coefficients, genera and spinor genera, reduction theory for definite forms, and Gauss' composition theory. The final chapter explains how to formulate the proofs in earlier chapters independently of Dirichlet's theorems related to the existence of primes in arithmetic progressions. Specialists will particularly value the several helpful appendixes on class numbers, Siegel's formulas, Tamagawa numbers, and other topics. Each chapter concludes with many exercises and hints, plus notes that include historical remarks and references to the literature.Binding Type: Paperback
Publisher: Dover Publications
Published: 08/08/2008
ISBN: 9780486466705
Pages: 413
Weight: 0.98lbs
Size: 8.49h x 5.47w x 0.88d
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★★★★★ 5
Great purse
Size: One Size, Color: Black
Beautiful purse
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Reviewed in the United States on May 26, 2026
★★★★★ 5
You're Gonna Love This Purse!!
Size: One Size, Color: Black
A beautifully made purse that is a perfect size for night or day. Metal features are lovely and I really like the option of a hand held bag or a shoulder bag. It is not what I would call a LARGE bag despite the product description.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Perfect size
Size: One Size, Color: Gold-tone Hardware/Vanilla, Size: One Size, Color: Gold-tone Hardware/Vanilla
The most beautiful purse!
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Makes a beautiful gift
Size: One Size, Color: Gold-tone Hardware/Vanilla
Very nice ‘ I bought it for my friend’ she loved it
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Quality bag for a good price
Size: One Size, Color: Luggage
A very good bag for a special price! I’ve another one bought before and it’s so durable I’ve to get this bag. It’s authentic and so easy to carry with a style!
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Reviewed in the United States on February 25, 2026