Mean value of Piltz' function over integers free of large prime factors.
Nyandwi, Servat (2003)
Publications de l'Institut Mathématique. Nouvelle Série
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Nyandwi, Servat (2003)
Publications de l'Institut Mathématique. Nouvelle Série
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Florian Luca, Diego Marques (2010)
Journal de Théorie des Nombres de Bordeaux
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Let be the sequence given by and for . In this paper, we show that the only solution of the equation is in positive integers and is .
YoungJu Choie, Nicolas Lichiardopol, Pieter Moree, Patrick Solé (2007)
Journal de Théorie des Nombres de Bordeaux
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Robin’s criterion states that the Riemann Hypothesis (RH) is true if and only if Robin’s inequality is satisfied for , where denotes the Euler(-Mascheroni) constant. We show by elementary methods that if does not satisfy Robin’s criterion it must be even and is neither squarefree nor squarefull. Using a bound of Rosser and Schoenfeld we show, moreover, that must be divisible by a fifth power . As consequence we obtain that RH holds true iff every natural number divisible by...
Hernández, Santos Hernández, Luca, Florian (2006)
Revista Colombiana de Matemáticas
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Jakimczuk, Rafael (2011)
Journal of Integer Sequences [electronic only]
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Li, Haiying, Ma, Tianshui (2011)
Acta Mathematica Universitatis Comenianae. New Series
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Harold G. Diamond, Janos Pintz (2009)
Journal de Théorie des Nombres de Bordeaux
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Mertens’ product formula asserts that as . Calculation shows that the right side of the formula exceeds the left side for . It was suggested by Rosser and Schoenfeld that, by analogy with Littlewood’s result on , this and a complementary inequality might change their sense for sufficiently large values of . We show this to be the case.