On a problem related to Egyptian fractions

Let S be a sum of irreducible fractions with distinct denominators. In this note we give necessary and sufficient conditions for the sum S to be an integer. The method can be a starting point for generalizations of some problems connected to Egyptian fractions. In this direction we propose a general...

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Veröffentlicht in:Bulletin mathématiques de la Société des sciences mathématiques de Roumanie 2021-01, Vol.64 (112) (4), p.401-411
Hauptverfasser: Jianu, Marilena, Popescu, Sever Angel
Format: Artikel
Sprache:eng
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Zusammenfassung:Let S be a sum of irreducible fractions with distinct denominators. In this note we give necessary and sufficient conditions for the sum S to be an integer. The method can be a starting point for generalizations of some problems connected to Egyptian fractions. In this direction we propose a generalization of two classical results of Erdös and Oblath.
ISSN:1220-3874
2065-0264