Mixed Moduli of Smoothness in $L_p$, $1<p<\infty$

M. K. Potapov, B. V. Simonov, S. Yu. Tikhonov

In this paper we survey recent developments over the last 25 years on the mixed fractional moduli of smoothness of periodic functions from $L_p$, $1<p<\infty$. In particular, the p…