On simultaneous approximation to a real number, its square, and its cube, II
arXiv:2407.03226 · doi:10.4064/aa240703-5-9
Abstract
In a previous paper with the same title, we gave an upper bound for the exponent of uniform rational approximation to a quadruple of -linearly independent real numbers in geometric progression. Here, we explain why this upper bound is not optimal.
24 pages