Dimension of metric spaces and Hilbert’s problem 13
Dimension of metric spaces and Hilbert’s problem 13
In 1957 A. N. Kolmogorov [l] and V. I. Arnol'd [2] obtained the following result (answering Hubert's conjecture in the negative) : THEOREM.For every integer n*z2 there exist continuous real f unctions $ pq ,for p = l, 2, • • • , n and q = l, 2, • …