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A new bound for the smallest x with π(x) > li(x)

Chao, Kuok Fai and Plymen, Roger (2010) A new bound for the smallest x with π(x) > li(x). International Journal of Number Theory, 6, (3), 681-690. (doi:10.1142/S1793042110003125)

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Description/Abstract

We reduce the leading term in Lehman's theorem. This improved estimate allows us to refine the main theorem of Bays and Hudson [2]. Entering 2,000,000 Riemann zeros, we prove that there exists x in the interval [exp (727.951858), exp (727.952178)] for which π(x) - li(x) > 3.2 × 10151. There are at least 10154 successive integers x in this interval for which π(x) > li(x). This interval is strictly a sub-interval of the interval in Bays and Hudson, and is narrower by a factor of about 12.

Item Type:Article
ISSN:1793-0421 (print)
1793-7310 (electronic)
Subjects:Q Science > QA Mathematics
Divisions:University Structure - Pre August 2011 > School of Mathematics > Pure Mathematics
ePrint ID:173715
Deposited On:09 Mar 2011 15:09
Last Modified:02 Mar 2012 13:59

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