COVERING INTEGERS BY $x^2 + dy^2$
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DOI: 10.1017/s1474748024000513
Abstract: Abstract What proportion of integers $n \leq N$ may be expressed as $x^2 + dy^2$ for some $d \leq \Delta $ , with $x,y$ integers? Writing $\Delta = (\log N)^{\log 2} 2^{\alpha \sqrt {\log \log… read more here.
Keywords: alpha; log log; covering integers; log ... See more keywords