Modular Functions and Dirichlet Series in Number Theory

1. Front Matter

   Pages i-x

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2. Elliptic functions

   • Tom M. Apostol

   Pages 1-25

3. The modular group and modular functions

   • Tom M. Apostol

   Pages 26-46

4. The Dedekind eta function

   • Tom M. Apostol

   Pages 47-73

5. Congruences for the coefficients of the modular function j

   • Tom M. Apostol

   Pages 74-93

6. Rademacher’s series for the partition function

   • Tom M. Apostol

   Pages 94-112

7. Modular forms with multiplicative coefficients

   • Tom M. Apostol

   Pages 113-141

8. Kronecker’s theorem with applications

   • Tom M. Apostol

   Pages 142-160

9. General Dirichlet series and Bohr’s equivalence theorem

   • Tom M. Apostol

   Pages 161-189

10. Back Matter

    Pages 190-207

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This is the second volume of a 2-volume textbook* which evolved from a course (Mathematics 160) offered at the California Institute of Technology during the last 25 years. The second volume presupposes a background in number theory com­ parable to that provided in the first volume, together with a knowledge of the basic concepts of complex analysis. Most of the present volume is devoted to elliptic functions and modular functions with some of their number-theoretic applications. Among the major topics treated are Rademacher's convergent series for the partition function, Lehner's congruences for the Fourier coefficients of the modular functionj(r), and Hecke's theory of entire forms with multiplicative Fourier coefficients. The last chapter gives an account of Bohr's theory of equivalence of general Dirichlet series. Both volumes of this work emphasize classical aspects of a subject which in recent years has undergone a great deal of modern development. It is hoped that these volumes will help the nonspecialist become acquainted with an important and fascinating part of mathematics and, at the same time, will provide some of the background that belongs to the repertory of every specialist in the field. This volume, like the first, is dedicated to the students who have taken this course and have gone on to make notable contributions to number theory and other parts of mathematics. T.M.A. January, 1976 * The first volume is in the Springer-Verlag series Undergraduate Texts in Mathematics under the title Introduction to Analytic Number Theory.

• Complex analysis
• Elliptische Funktion
• Modulfunktion
• Riemann zeta function
• modular form
• number theory

From the reviews of the second edition:

“Apostol is an excellent writer of mathematics and the topics that are covered in this book are covered thoroughly in a concise, precise manner. … the writing is characterized by its easy, readable, fluid style. Each chapter is complemented with a nice set of exercises.” (Álvaro Lozano-Robledo, The Mathematical Association of America, June, 2011)

• Department of Mathematics, California Institute of Technology, Pasadena, USA

  Tom M. Apostol

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