The Quarterly Journal of Mathematics Advance Access published online on December 4, 2007
The Quarterly Journal of Mathematics, doi:10.1093/qmath/ham051
SIMULTANEOUS DIOPHANTINE APPROXIMATION BY SQUARE-FREE NUMBERS

Institut für Algebra und Zahlentheorie, Pfaffenwaldring 57, D-70569 Stuttgart, Germany
E-mail: dietmarr{at}mathematik.uni-stuttgart.de
Received 20 April 2007;
| Abstract |
|---|
Let
1, ...,
r
R be not very well approximable, for example, Q-linearly independent real algebraic numbers. Then there are infinitely many positive square-free integers n such that
, where ||·|| denotes distance to the nearest integer.