Square Eulerian Quadruples

2006/09/05 by MacLeod, Allan J.
#01A45 #11D25 #11G05 #11Y50 #FOS: Mathematics #General Mathematics (math.GM) #Number Theory (math.NT)

paper · doi:10.48550/arxiv.math/0609127

Abstract

We consider the problem of finding 4 rational squares, such that the product of any two plus the sum of the same two always gives a square. We give some historical background and exhibit one such quadruple.

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