Geodesic
About one question about the set of rational numbers determined by the quotients of two subsets
Čebyševskij sbornik, Tome 25 (2024) no. 4, pp. 154-157 Cet article a éte moissonné depuis la source Math-Net.Ru

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In this paper, we aim to derive a quantitative version of a problem on the size of a set of fractions $A/A$, in the case where $A$ is a given finite set of natural numbers lying in the interval $[1,n]$, having positive asymptotic density $\alpha>0$ as $n \rightarrow \infty.$
Keywords: integer numbers, density, product. 
@article{CHEB_2024_25_4_a9,
     author = {Yu. N. Shteinikov},
     title = {About one question about the set of rational numbers determined by the quotients of two subsets},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {154--157},
     year = {2024},
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     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2024_25_4_a9/}
}
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Yu. N. Shteinikov. About one question about the set of rational numbers determined by the quotients of two subsets. Čebyševskij sbornik, Tome 25 (2024) no. 4, pp. 154-157. http://geodesic.mathdoc.fr/item/CHEB_2024_25_4_a9/