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ON THE DIOPHANTINE EQUATION z2=f(x)2±f(y)2, II

Published online by Cambridge University Press:  22 June 2010

BO HE
Affiliation:
Department of Mathematics, ABa Teacher’s College, Wenchuan, Sichuan 623000, PR China (email: bhe@live.cn)
ALAIN TOGBÉ*
Affiliation:
Mathematics Department, Purdue University North Central, 1401 S, U.S. 421, Westville IN 46391, USA (email: atogbe@pnc.edu)
MACIEJ ULAS
Affiliation:
Institute of Mathematics, Jagiellonian University, Łojasiewicza 6, 30-348 Kraków, Poland Institute of Mathematics, Polish Academy of Sciences, Śniadeckich 8, 00-956 Warszawa, Poland (email: Maciej.Ulas@im.uj.edu.pl)
*
For correspondence; e-mail: atogbe@pnc.edu
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Abstract

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Let f∈ℚ[X] and let us consider a Diophantine equation z2=f(x)2±f(y)2. In this paper, we continue the study of the existence of integer solutions of the equation, when the degree of f is 2 and if f(x) is a triangular number or a tetrahedral number.

MSC classification

Type
Research Article
Copyright
Copyright © Australian Mathematical Publishing Association Inc. 2010

Footnotes

The first author was supported by the Applied Basic Research Foundation of Sichuan Provincial Science and Technology Department (No. 2009JY0091). The second author thanks Purdue University North Central for the support. The third author was supported by START for young scientists, founded by the Polish Science Foundation.

References

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