An improved solution of Σi=1k 1/Xi = 1 in distinct integers when xixj for ij

Nechemia Burshtein
Notes on Number Theory and Discrete Mathematics, ISSN 1310–5132
Volume 16, 2010, Number 2, Pages 1–4
Full paper (PDF, 130 Kb)

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Authors and affiliations

Nechemia Burshtein
117 Arlozorov Street, Tel Aviv 62098, Israel

Abstract

An improved solution of the title equation with k = 52, x52 = 1963 is exhibited. This is the best known result thus far.

Keywords

  • Diophantine equations
  • Egyptian fractions

AMS Classification

  • 11 – Number theory

References

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    bibliography, Eureka (Ottawa) 3 (1977) 178-181.
  2. N. Burshtein. Oral communication to P. Erdös, Nice, September 1970.
  3. N. Burshtein. On distinct unit fractions whose sum equals 1, Discrete Math. 5
    (1973) 201-206.
  4. N. Burshtein. On distinct unit fractions whose sum equals 1, Discrete Math. 300
    (2005) 213-217.
  5. N. Burshtein. Improving solutions of Σi=1k 1/Xi = 1 with restrictions as required by Barbeau respectively by Johnson, Discrete Math. 306 (2006) 1438-1439.
  6. P. Erdös. Written communication, December 1970.
  7. P. Erdös and R. L. Graham. Old and new problems and results in Combinatorial
    Number Theory, Monographie no 28 de ĽEnseignement Mathématique Université de Genève, Imprimerie Kundig Genève, 1980.

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Cite this paper

Burshtein, N. (2010). An improved solution of Σi=1k 1/Xi = 1 in distinct integers when xixj for ij. Notes on Number Theory and Discrete Mathematics, 16(2), 1-4.

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