Kolmogorov problem on the class of multiply monotone functions

Oleg Kovalenko

Necessary and sufficient conditions for positive numbers $M_{k_1},M_{k_2},M_{k_3},M_{k_4}$, $0=k_1<k_2<k_2\le r-2$, $k_4=r$, to guarantee the existence of an $r-1$-monotone…