Double exponential sums over thin sets

被引:14
|
作者
Friedlander, JB [1 ]
Shparlinski, IE
机构
[1] Univ Toronto, Dept Math, Toronto, ON M5S 3G3, Canada
[2] Macquarie Univ, Dept Comp, Sydney, NSW 2109, Australia
关键词
D O I
10.1090/S0002-9939-00-05921-9
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We estimate double exponential sums of the form [GRAPHICS] where theta is of multiplicative order t modulo the prime p and chi and Y are arbitrary subsets of the residue ring modulo t. In the special case t = p - 1, our bound is nontrivial for \chi\ greater than or equal to \Y\ greater than or equal to p(15/16+delta) with any fixed delta > 0, while if in addition we have \chi\ greater than or equal to p(1-8/4) it is nontrivial for \Y\ greater than or equal top(3/4+delta).
引用
收藏
页码:1617 / 1621
页数:5
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