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1. CJM 2000 (vol 52 pp. 673)

Balog, Antal; Wooley, Trevor D.
Sums of Two Squares in Short Intervals
Let $\calS$ denote the set of integers representable as a sum of two squares. Since $\calS$ can be described as the unsifted elements of a sieving process of positive dimension, it is to be expected that $\calS$ has many properties in common with the set of prime numbers. In this paper we exhibit ``unexpected irregularities'' in the distribution of sums of two squares in short intervals, a phenomenon analogous to that discovered by Maier, over a decade ago, in the distribution of prime numbers. To be precise, we show that there are infinitely many short intervals containing considerably more elements of $\calS$ than expected, and infinitely many intervals containing considerably fewer than expected.

Keywords:sums of two squares, sieves, short intervals, smooth numbers
Categories:11N36, 11N37, 11N25

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