Search Results

You are looking at 1 - 1 of 1 items for :

  • Author or Editor: X. Cao x
  • Mathematics and Statistics x
  • Refine by Access: All Content x
Clear All Modify Search

Let , wheref(n) is the characteristic function of square-full integers. A formula is proved that can be used to obtain better upper bound estimate for ?(x). We get ?(x)=O(x 5/33+e), which improves the exponent 11/72 obtained by R. Blasubramania and K. Ramachandra.

Restricted access