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Jun 1, 2017 at 0:49 comment added Erfan Khaniki This problem is at least NP-hard, because the set $\{(a,b,c)\in \mathbb{N}^3|\exists x,y\in \mathbb{N}: ax^2+by=c\}$ is NP-complete.
May 31, 2017 at 16:08 history edited Liam_math CC BY-SA 3.0
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May 31, 2017 at 15:23 vote accept Liam_math
May 30, 2017 at 16:56 comment added individ The Pell equation is not difficult to solve. It is necessary to decompose the coefficient in the continued fraction. Many equations can be solved.
May 30, 2017 at 15:51 answer added joro timeline score: 9
May 30, 2017 at 11:35 review First posts
May 30, 2017 at 11:41
May 30, 2017 at 11:35 history asked Liam_math CC BY-SA 3.0