We study the asymptotic behaviour of the function A(q) = sup(x,3), vertical bar Sigma(x<n <= y) c(q)(n)vertical bar where c(q) (n) denotes the Ramanujan sum. We prove that q << A (q) << q root log(2)q and determine how sharp this estimation is.
机构:
Yamaguchi Univ, Dept Math Sci, Fac Sci, Yoshida 1677-1, Yamaguchi 7538512, JapanYamaguchi Univ, Dept Math Sci, Fac Sci, Yoshida 1677-1, Yamaguchi 7538512, Japan
机构:
Yamaguchi Univ, Dept Math Sci, Fac Sci, Yoshida 1677-1, Yamaguchi 7538512, JapanYamaguchi Univ, Dept Math Sci, Fac Sci, Yoshida 1677-1, Yamaguchi 7538512, Japan
机构:
Shibaura Inst Technol, Dept Math, Minuma Ku, 307 Fukasaku, Saitama 3378570, JapanShibaura Inst Technol, Dept Math, Minuma Ku, 307 Fukasaku, Saitama 3378570, Japan
Ikeda, Soichi
Kiuchi, Isao
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机构:
Yamaguchi Univ, Fac Sci, Dept Math Sci, Yoshida 1677-1, Yamaguchi 7538512, JapanShibaura Inst Technol, Dept Math, Minuma Ku, 307 Fukasaku, Saitama 3378570, Japan
Kiuchi, Isao
Matsuoka, Kaneaki
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机构:
Nagoya Univ, Grad Sch Math, Chikusa Ku, Furocho, Nagoya, Aichi 4648602, JapanShibaura Inst Technol, Dept Math, Minuma Ku, 307 Fukasaku, Saitama 3378570, Japan