Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4595087 | Journal of Number Theory | 2007 | 5 Pages |
Abstract
By some extremely simple arguments, we point out the following:(i)If n is the least positive kth power non-residue modulo a positive integer m, then the greatest number of consecutive kth power residues mod m is smaller than m/n.(ii)Let OK be the ring of algebraic integers in a quadratic field with d∈{−1,−2,−3,−7,−11}. Then, for any irreducible π∈OK and positive integer k not relatively prime to , there exists a kth power non-residue ω∈OK modulo π such that .
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Mathematics
Algebra and Number Theory