The structure of ‘Pi’

J. V. Leyendekkers and A. G. Shannon
Notes on Number Theory and Discrete Mathematics, ISSN 1310–5132
Volume 17, 2011, Number 4, Pages 61–68
Full paper (PDF, 119 Kb)

Details

Authors and affiliations

J. V. Leyendekkers
Faculty of Science, The University of Sydney
Sydney, NSW 2006, Australia

A. G. Shannon
Faculty of Engineering & IT, University of Technology
Sydney, NSW 2007, Australia

Abstract

Classes of the modular ring Z4 were substituted into convergent infinite series for π and √2 to obtain Q, the ratio of the arc of a circle to the side of an inscribed square to yield π = 2√2 Q. The corresponding convergents of the continued fractions for π, √2 and Q were then considered, together with the class patterns of the modular rings {Z4, Z5, Z6} and decimal patterns for π.

Keywords

  • Integer structure analysis
  • Modular rings
  • Prime numbers
  • Fibonacci numbers
  • Arctangents
  • Infinite series
  • Pell sequence
  • Continued fractions
  • Triangular numbers

AMS Classification

  • 11A41
  • 11A55
  • 11A07

References

  1. Ball, W.W.R., H.S.M. Coxeter. 1956. Mathematical Recreations and Essays. New York: Macmillan.
  2. Bennett, A.A. 1925. Two New Arctangent Relations for π. The American Mathematical Monthly. 32: 253–255.
  3. Birch, R.H. 1946. An Algorithm for the Construction of Arctangent Relations. Journal of the London Mathematical Society. 21: 173–174.
  4. Horadam, A.F. 1971. Pell Identities. The Fibonacci Quarterly. 9: 245–252.
  5. Kasner, E., J. Newman. 1959. Mathematics and the Imagination. Norwich: Jarrold.
  6. Lafer, Phil. 1971. Discovering the Square-triangular Numbers. The Fibonacci Quarterly. 9: 93-105.
  7. Lehmer, D.H. 1936. Problem 3801. The American Mathematical Monthly. 43: 580.
  8. Lehmer, D.H. 1938. On Arctangent Relations for π. The American Mathematical Monthly. 45: 657–664.
  9. Leyendekkers, J.V., A.G. Shannon, J.M. Rybak. 2007. Pattern Recognition: Modular Rings and Integer Structure. North Sydney: Raffles KvB Monograph No 9.
  10. Leyendekkers, J.V., A.G. Shannon. 2011. Modular Rings and the Integer 3. Notes on Number Theory & Discrete Mathematics. 17 (2): 47–51.
  11. Leyendekkers, J.V., A.G. Shannon. 2011. The Modular Ring Z5. Notes on Number Theory & Discrete Mathematics. In press.
  12. Mack, J.M. 1970. The Continued Fraction Algorithm. Bulletin of the Australian Mathematical Society. 3: 413–422.
  13. Nimbran, Amrik Singh. 2010. On the Derivation of Machin-like Arctangent Identities for Computing Pi (π). The Mathematics Student. 79: 171–186.
  14. Shanks, D., J.W. Wrench Jr. 1962. Calculation of π to 100,000 Decimals. Mathematics of Computation. 16: 76–99.
  15. Sierpinski, W. 1964. Sur les Nombres Pentagonaux. Bulletin de la Société Royale des Sciences de Liège. 33: 513–517.
  16. Stormer, C. 1899. Solution complet en nombres entiers de l’equation m.arctan g[1/x] + n.arctan g[1/y] = k[π/4]. Bulletin de la Société Mathématique de France. 27: 160–170.
  17. Todd, John. 1949. A Problem on Arc Tangent Relations. The American Mathematical Monthly. 56: 517–528.
  18. Wetherfield, Michael Roby. 1996. The Enhancement of Machin’s Formula by Todd’s Process. The Mathematical Gazette. 80: 333–344.

Related papers

Cite this paper

Leyendekkers, J., & Shannon, A. (2011). The structure of ‘Pi’. Notes on Number Theory and Discrete Mathematics, 17(4), 61-68.

Comments are closed.