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On A Theorem of Niven
Published online by Cambridge University Press: 20 November 2018
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In 1940, I. Niven [2] proved that the gaussian integer z = x + iy is the sum of two squares of gaussian integers if, and only if, y is even and not both of 1/2x and 1/2y are rational odd integers. In this note we calculate the total number g2(z) of representations of z in this form.
1
where a, b, c, d are rational integers, if and only if
2
- Type
- Research Article
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- Copyright
- Copyright © Canadian Mathematical Society 1967
References
1.
Leahey, W. J., A note on a theorem of I. Niven.
Proc. Amer. Math. Soc,
16 (1966),
1130-1131.Google Scholar
2.
Niven, I., Integers of quadratic fields as sums of
squares. Trans. Amer. Math. Soc,
48 (1944),
405-417.Google Scholar