Publications Meetings The Profession Membership Programs Math Samplings Policy & Advocacy In the News About the AMS
|
   
Mobile Device Pairing
Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(e) ISSN 0025-5718(p)

     

A new algorithm to search for small nonzero $ \vert x^3-y^2\vert$ values

Author(s): I. Jiménez Calvo; J. Herranz; G. Sáez.
Journal: Math. Comp. 78 (2009), 2435-2444.
MSC (2000): Primary 11Y50, 65A05; Secondary 11D25, 14H52
Posted: February 13, 2009
Retrieve article in: PDF

Abstract | References | Similar articles | Additional information

Abstract: In relation to Hall's conjecture, a new algorithm is presented to search for small nonzero $ k=\lvert x^3-y^2\rvert$ values. Seventeen new values of $ k<x^{1/2}$ are reported.


References:

1.
A. Baker, Contributions to the theory of Diophantine equations. I. On the representation of integers by binary forms. II. The Diophantine equation $ y^2 = x^3 + k$. Philos. Trans. Roy. Soc. London, Ser. A 263, (1967-1968), 173-191 and 193-208. MR 0228424 (37:4005); MR0228425 (37:4006)

2.
B.J. Birch, S. Chowla, M. Hall and A. Schinzel, On the difference $ x^3-y^2$. Norske Vid. Selsk. Forh. 38 (1965), 65-69. MR 0186620 (32:4079)

3.
L.V. Danilov, The Diophantine equation $ x^3 - y^2 = k$ and Hall's conjecture. Math. Notes Acad. Sci. USSR 32 (1982), 617-618. MR 677595 (84c:10014)

4.
H. Davenport, The diophantine equation $ y^2 - k = x^3$. Norske Vid. Selsk. Forh. 38 (1965), 86-87.

5.
N.D. Elkies, Rational points near curves and small nonzero $ \vert x^3 - y^2\vert$ via lattice reduction. Pages 33-63 in Algorithmic Number Theory (Proceedings of ANTS-IV;W. Bosma, ed.; Berlin: Springer, 2000; Lecture Notes in Comput. Sci. 1838). MR 1850598 (2002g:11035)

6.
J. Gebel, A. Pethö and H. G. Zimmer, On Mordell's equation. Compositio Math. 110 (1998), 335-367. MR 1602064 (98m:11049)

7.
M. Hall, The Diophantine equation $ x^3-y^2=k$. Computers in Number Theory (A. Atkin, B. Birch, eds.; Academic Press, 1971), pp. 173-198. MR 0323705 (48:2061)

8.
D. E. Knuth and L. Trabb Pardo, Analysis of a simple factorization algorithm. Theoretical Computer Sci. 3 (1976) pp. 321-348. MR 0498355 (58:16485)

9.
S. Lang, Conjectured Diophantine estimates on elliptic curves. Arithmetic and Geometry, Volume dedicated to Shafarevich, Vol I, edited by M. Artin and J. Tate, Birkhäuser, 1983, pp. 155-171. MR 717593 (85d:11024)

10.
S. Mohit and M. R. Murty, Wieferich primes and Hall's conjecture, Comptes Rendus de l'Acad. Sciences (Canada) 20 (1998), 29-32. MR 1618973 (98m:11004)

11.
J. Oesterlé, Nouvelles approaches du ``théorème'' de Fermat. Sém. Bourbaki 1987/88, Exposé No. 694, 165-186, 1989. MR 0992208 (90g:11038)

12.
C. Padró and G. Sáez, Taking cube roots on $ \mathbb{Z}_m$. Appl. Math. Lett. 15 (2002), 703-708. MR 1913273 (2003e:11139)

13.
The PARI Group. PARI/GP, Version 2.1.0, 2002, Bordeaux. Available from http://www.parigp-home.de/.

14.
H. M. Stark, Effective estimates of solutions of some Diophantine equations. Acta Arith. 24, (1973), 251-259. MR 0340175 (49:4931)

Similar Articles:

Retrieve articles in Mathematics of Computation with MSC (2000): 11Y50, 65A05, 11D25, 14H52

Retrieve articles in all Journals with MSC (2000): 11Y50, 65A05, 11D25, 14H52


Additional Information:

I. Jiménez Calvo
Affiliation: C/Virgen de las Viñas 11, 28031-Madrid, Spain
Email: ijcalvo@gmail.com

J. Herranz
Affiliation: IIIA-CSIC, Campus de la UAB, E-08193 Bellaterra, Catalonia, Spain
Email: jherranz@iiia.csic.es

G. Sáez
Affiliation: Dept. de Matemàtica Aplicada IV, Universitat Politècnica de Catalunya, c/Jordi Girona, 1-3, 08034-Barcelona, Spain
Email: german@ma4.upc.es

DOI: 10.1090/S0025-5718-09-02240-6
PII: S 0025-5718(09)02240-6
Keywords: Hall's conjecture, Mordell's equation
Received by editor(s): April 18, 2005
Received by editor(s) in revised form: November 11, 2008
Posted: February 13, 2009
Copyright of article: Copyright 2009, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.




AMS and Social Media LinkedIn Facebook Podcasts Twitter YouTube RSS Feeds Blogs Wikipedia