Erdős-Straus Conjecture/Sierpiński Variant
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Unproven Hypothesis
Let $n$ be an integer.
It is conjectured that $\dfrac 5 n$ can always be expressed as the sum of $3$ unit fractions.
Source of Name
This entry was named for Wacław Franciszek Sierpiński.
Sources
- 1956: Wacław Sierpiński: Sur les décompositions de nombres rationnels en fractions primaires (Mathesis Vol. 65: pp. 16 – 32)
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $2 / 3$
- 1994: Richard K. Guy: Unsolved Problems in Number Theory (2nd ed.)
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $2 / 3$