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  • ISBN:9787519205317
  • 装帧:一般胶版纸
  • 册数:暂无
  • 重量:暂无
  • 开本:32开
  • 页数:239
  • 出版时间:2016-07-01
  • 条形码:9787519205317 ; 978-7-5192-0531-7

本书特色

该书介绍了一些的数论问题,适合不同层次的读者阅读。一方面,作者不需要更宽泛的数学知识;事实上,只要在数学方面接受过正规的学校教育就足够了。另一方面,作者探讨了一些真正的数学兴趣问题,并以更易读懂的方式讲解,因此,数学知识丰富的作者在阅读此书时会感到非常愉悦和有益。该书中几个值得注意的点:数学归纳法的详细讲述和通过该法证明的独特的因子分解定理。

内容简介

该书介绍了一些的数论问题,适合不同层次的读者阅读。一方面,作者不需要更宽泛的数学知识;事实上,只要在数学方面接受过正规的学校教育就足够了。另一方面,作者探讨了一些真正的数学兴趣问题,并以更易读懂的方式讲解,因此,数学知识丰富的作者在阅读此书时会感到非常愉悦和有益。该书中几个值得注意的点:数学归纳法的详细讲述和通过该法证明的独特的因子分解定理。

目录

IntroductionⅠ Factorization and the Primes1.The laws of arithmetic2.Proof by induction3.Prime numbers4.The fundamental theorem of arithmetic5.Consequences of the fundamental theorem6.Euclid's algorithm7.Another proof of the fundamental theorem8.A property of the H.C.F9.Factorizing a number10.The series of primesⅡ Congruences1.The congruence notation2.Linear congruences3.Fermat's theorem4.Euler's function φ(m)5.Wilson's theorem6.Algebraic congruences7.Congruences to a prime modulus8.Congruences in several unknowns9.Congruences covering all numbersⅢ Quadratic Residues1.Primitive roots2.Indices3.Quadratic residues4.Gauss's lemma5.The law of reciprocity6.The distribution of the quadratic residuesⅣ Continued Fractions1.Introduction2.The general continued fraction3.Euler's rule4.The convergents to a continued traction5.The equation ax-by=16.Infinite continued fractions7.Diophantine approximation8.Quadratic irrationals9.Purely periodic continued fractions10.Lagrange's theorem11.Pell's equation12.A geometricalinterpretation of continued fractionsⅤ Sums of Squares1.Numbers representable by two squares2.Primes of the form 4k+13.Constructions for x and y4.Representation by four squares5.Representation by three squaresⅥ Quadratic Forms1.Introduction2.Equivalent forms3.The discriminant4.The representation of a number by a form5.Three examples6.The reduction of positive definite forms7.The reduced forms8.The number of representations9.The class-numberⅦ Some Diophantine Equations1.Introduction2.The equation x2+y2=z23.The equation ax2+by2=z24.Elliptic equations and curves5.Elliptic equations modulo primes6.Fermat's Last Theorem7.The equation x3+y3=z3+w38.Further developmentsⅧ Computers and Number Theory1.Introduction2.Testing for primality3.'Random' number generators4.Pollard's factoring methods5.Factoring and primality via elliptic curves6.Factoring large numbers7.The Diffie-Hellman cryptographic method8.The RSA cryptographic method9.Primality testing revisitedExercisesHintsAnswersBibliographyIndex
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作者简介

H. Davenport (H.达文波特, 英国)是国际知名学者,在数学界享有盛誉。本书凝聚了作者多年科研和教学成果,适用于科研工作者、高校教师和研究生。

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