Difference between revisions of "Buchstab function"
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[http://www.ams.org/journals/mcom/1990-55-191/S0025-5718-1990-1023043-8/S0025-5718-1990-1023043-8.pdf A differential delay equation arising from the Sieve of Eratosthenes] | [http://www.ams.org/journals/mcom/1990-55-191/S0025-5718-1990-1023043-8/S0025-5718-1990-1023043-8.pdf A differential delay equation arising from the Sieve of Eratosthenes] | ||
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Revision as of 18:31, 24 May 2016
The Buchstab function is a continuous function $\omega \colon [1,\infty) \rightarrow (0,\infty)$ defined by the initial value problem $$\dfrac{d}{du}(u\omega(u-1)); u \geq 2$$ and for $1 \leq u \leq 2$, $\omega(u)=\dfrac{1}{u}$.
References
A differential delay equation arising from the Sieve of Eratosthenes
