Sums, products, and ratios along the edges of a graph
- Autores: NOGA ALON, Imre Z. Ruzsa, Jozsef Solymosi
- Localización: Publicacions matematiques, ISSN 0214-1493, Vol. 64, Nº 1, 2020, págs. 143-155
- Idioma: inglés
- DOI: 10.5565/publmat6412006
- Enlaces
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Resumen
In their seminal paper Erdös and Szemerédi formulated conjectures on the size of sumset and product set of integers. The strongest form of their conjecture is about sums and products along the edges of a graph. In this paper we show that this strong form of the Erdös-Szemerédi conjecture does not hold. We give upper and lower bounds on the cardinalities of sumsets, product sets, and ratio sets along the edges of graphs.
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