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Brun theorem

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on prime twins

The series $\sum 1/p$ is convergent if $p$ runs through all (the first members of all) prime twins. This means that even if the number of prime twins is infinitely large, they are still located in the natural sequence rather sparsely. This theorem was demonstrated by V. Brun [1]. The convergence of a similar series for generalized twins was proved at a later date.

References

[1] V. Brun, "La série $1/5+1/7+\dots$ ou les dénominateurs sont "nombres premiers jumeaux" et convergente ou finie" Bull. Sci. Math. (2) , 43 (1919) pp. 100–104; 124–128
[2] E. Trost, "Primzahlen" , Birkhäuser (1953)


Comments

References

[a1] H. Halberstam, H.-E. Richert, "Sieve methods" , Acad. Press (1974)
How to Cite This Entry:
Brun theorem. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Brun_theorem&oldid=16073
This article was adapted from an original article by N.I. Klimov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article