Geodesic
Monochromatic products and sums in the rationals
Forum of Mathematics, Pi, Tome 12 (2024)

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We show that every finite coloring of the rationals contains monochromatic sets of the form $\{x,y,xy,x+y\}$. 
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Matt Bowen; Marcin Sabok. Monochromatic products and sums in the rationals. Forum of Mathematics, Pi, Tome 12 (2024). doi: 10.1017/fmp.2024.19

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