摘要
Let q 〉 4 be an integer. The main purpose of this paper is to study the mean value of Cochrane sum C(a, q) in quarter intervals, and obtain a sharp asymptotic formula for it.
Let q 〉 4 be an integer. The main purpose of this paper is to study the mean value of Cochrane sum C(a, q) in quarter intervals, and obtain a sharp asymptotic formula for it.
基金
supported by China Postdoctoral Science Foundation funded project (20080430202)
the N.S.F.(10671155) of P.R.China