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Lowell Schoenfeld : ウィキペディア英語版
Lowell Schoenfeld

Lowell Schoenfeld (April 1, 1920 – February 6, 2002) was an American mathematician known for his work in analytic number theory. He received his Ph.D. in 1944 from University of Pennsylvania under the direction of Hans Rademacher. He is known for obtaining the following results in 1976, assuming the Riemann hypothesis:
:|\pi(x)-(x)|\le\frac
for all ''x'' ≥ 2657, based on the prime-counting function ''π''(''x'') and the logarithmic integral function li(''x''), and
:|\psi(x)-x|\le\frac
for all ''x'' ≥ 73.2, based on the second Chebyshev function ''ψ''(''x'').〔.〕
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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