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＜電子ブック＞
Quadratic number theory : an invitation to algebraic methods in the higher arithmetic / J.L. Lehman
(Dolciani Mathematical Expositions ; v. 52)

出版者	(Providence, Rhode Island : MAA Press, an imprint of the American Mathematical Society)
出版年	[2019]
大きさ	1 online resource (xiii, 394 pages : illustrations)
著者標目	*Lehman, J. L 1957- author
件　名	LCSH:Algebraic number theory LCSH:Number theory LCSH:Quadratic fields LCSH:Algebraic fields FREE:Number theory -- Algebraic number theory: global fields -- Quadratic extensions  全ての件名で検索 FREE:Number theory -- Algebraic number theory: global fields -- Class numbers, class groups, discriminants  全ての件名で検索 FREE:Number theory -- Algebraic number theory: global fields -- Units and factorization  全ての件名で検索 FREE:Number theory -- Forms and linear algebraic groups -- Sums of squares and representations by other particular quadratic forms  全ての件名で検索 FREE:Number theory -- Forms and linear algebraic groups -- General binary quadratic forms  全ての件名で検索 FREE:Number theory -- Elementary number theory -- Continued fractions  全ての件名で検索 FREE:Number theory -- Sequences and sets -- Sequences (mod $m$)  全ての件名で検索 FREE:Number theory -- Computational number theory -- Algebraic number theory computations  全ての件名で検索
内容注記	Introduction: A brief review of elementary number theory Gaussian integers and sums of two squares Quadratic domains Ideals of quadratic domains Quadratic forms Correspondence between forms and ideals Class groups of negative discriminant Representations by positive definite forms Class groups of quadratic subdomains Continued fractions Class groups of positive discriminant Representations by indefinite forms Properties of recursive sequences Applications of quadratic recursive sequences Concluding remarks
一般注記	Includes an index Access is restricted to licensed institutions Electronic reproduction Providence, Rhode Island American Mathematical Society 2019 Mode of access : World Wide Web Description based on print version record HTTP:URL=https://www.ams.org/dol/052 Information=Contents HTTP:URL=https://doi.org/10.1090/dol/052 Information=Contents

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