代數(shù)講義

內(nèi)容概要

I wish that algebra would be the Cinderella of our story. In the math-ematics program in schools, geometry has often been the favorite daugh-ter. The amount of geometric knowledge studied in schools is approx-imately equal to the level achieved in ancient Greece and summarized　by Euclid in his Elements (third century B.C.). For a long time, geom-　etry was taught according to Euclid; simplified variants have recently　appeared.  In spite of all the changes introduced in geometry cours-es, geometry retains the influence of Euclid and the inclination of the　grandiose scientific revolution that occurred in Greece. More than once　I have met a person who said, "I didn't choose math as my profession,but I'll never forget the beauty of the elegant edifice built in geometry　with its strict deduction of more and more complicated propositions, all　beginning from the very simplest, most obvious statements!"   Unfortunately, I have never heard a similar assessment concerning al-gebra. Algebra courses in schools comprise a strange mixture of useful　rules, logical judgments, and exercises in using aids such as tables of log-arithms and pocket calculators. Such a course is closer in spirit to the brand of mathematics developed in ancient Egypt and Babylon than to the line of development that appeared in ancient Greece and then con-tinued from the Renaissance in western Europe. Nevertheless, algebra is just as fundamental, just as deep, and just as beautiful as geometry.Moreover, from the standpoint of the modern division of mathemat-ics into branches, the algebra courses in schools include elements from several branches: algebra, number theory, combinatorics, and a bit of probability theory.

書(shū)籍目錄

Preface1. Integers  (Topic: Numbers)　1.2 Is Not Rational　2.The Irrationality of Other Square Roots　3.Decomposition into Prime Factors2. Simplest Properties of Polynomials   ( Topic: Polynomials)　4.Roots and the Divisibility of Polynomials　5.Multiple Roots and the Derivative　6.Birmmial Formula　Supplement: Polynomials and Bernoulli Numbers3. Finite Sets (Topic: Sets)　7.Sets and Subsets　8.Combinatorics　9.Set Algebra　10. The Language of Probability　Supplement: The Chebyshev Inequality4. Prime Numbers  (Topic: Numbers)　11. The Number of Prime Numbers is Infinite　12. Euler's Proof That the Number of Prime Numbers　is Infinite　13. Distribution of Prime Numbers　Supplement: The Chebyshev Inequality forr(n)5. Real Numbers and Polynomials   (Topic: Numbers and Polynomials)　14. Axioms of the Real Numbers　15. Limits and Infinite Sums　16. Representation of Real Numbers as Decimal Fractions　17. Real Roots of Polynomials  　Supplement: Sturm's Theorem　　……

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