Skip to main content
Log in

On the diophantine system a 2 + b 2 = c 3 and a x + b y = c z for b is an odd prime

  • Published:
Acta Mathematica Sinica, English Series Aims and scope Submit manuscript

Abstract

Let a, b and c be fixed coprime positive integers. In this paper we prove that if a 2 + b 2 = c 3 and b is an odd prime, then the equation a x + b y = c z has only the positive integer solution (x, y, z) = (2, 2, 3).

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Bilu, Y., Hanrot, G., Voutier, P. M. (with appendix by M. Mignotte): Existence of primitive divisors of Lucas and Lehmer numbers. J. Reine Angew. Math., 539, 75–122 (2001)

    MATH  MathSciNet  Google Scholar 

  2. Cao, Z. F.: A note on the diophantine equation a x + b y = c z. Acta Arith., 91, 85–93 (1999)

    MATH  MathSciNet  Google Scholar 

  3. Darmon, H., Granville, A.: On the equation z m = F(X, Y) and Ax p + By q = Cz r. Bull. London Math. Soc., 27, 513–543 (1995)

    Article  MATH  MathSciNet  Google Scholar 

  4. Dong, X. L., Cao, Z. F.: The Terai-Jeśmanowicz conjecture concerning the equation a x +b y = c z. Chinese Math. Ann. 21A, 709–714 (2000) (in Chinese)

    MathSciNet  Google Scholar 

  5. Gel’fond, A. O.: Sur la divisibilité de la dofférence des puissances de deux nombres entieres par une puissance d’un idéal premier. Mat. Sb., 7, 7–25 (1940)

    MathSciNet  Google Scholar 

  6. Hua, L. K., Introduction to number theory, Springer Verlag, Berlin, 1982

    MATH  Google Scholar 

  7. Le, M. H.: Some exponential diophantine equations I: The equation D 1 x 2D 2 y 2 = λκ z. J. Number Theory, 55 209–221 (1995)

    Article  MATH  MathSciNet  Google Scholar 

  8. Le, M. H.: A note on the diophantine equation (m 3 − 3m)x + (3m 2 − 1)y = (m 2 +1)z. Proc. Japan Acad. 73A, 148–149 (1997)

    Google Scholar 

  9. Mahler, K.: Zur Approximation algebraischer Zahler I: Über den grössten Primteiler binärer Formen. Math. Ann., 107, 691–730 (1933)

    Article  MATH  MathSciNet  Google Scholar 

  10. Mordell, L. J.: Diophantine equations, Academic Press, London, 1969

    MATH  Google Scholar 

  11. Terai, N.: The diophantine equation a x + b y = c z. Proc. Japan Acad., 70A, 22–26 (1994)

    MathSciNet  Google Scholar 

  12. Voutier, P. M.: Primitive divisors of Lucas and Lehmer sequences. Math. Comp., 64, 869–888 (1995)

    Article  MATH  MathSciNet  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Mao Hua Le.

Additional information

Supported by the National Natural Science Foundation of China (No. 10271104) and the Guangdong Provincial Natural Science Foundation (No. 04011425)

Rights and permissions

Reprints and permissions

About this article

Cite this article

Le, M.H. On the diophantine system a 2 + b 2 = c 3 and a x + b y = c z for b is an odd prime. Acta. Math. Sin.-English Ser. 24, 917–924 (2008). https://doi.org/10.1007/s10114-007-6140-x

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10114-007-6140-x

Keywords

MR(2000) Subject Classification

Navigation