Abstract: | For any monotone functionψ(y)=O(y
1/s), we prove the existence of a continual family of vectors (α1...,αs) admitting infinitely many simultaneous ψ-approximations, but nocψ-approximations with some constantc>0.
Translated fromMatematicheskie Zametki, Vol. 61, No. 5, pp. 706–716, May, 1997.
Translated by S. K. Lando |