Article · Turkic World Mathematical Society Journal of Pure and Applied Mathematics · January 1, 2024
CONES OF MONOTONE FUNCTIONS GENERATED BY A GENERALIZED FRACTIONAL MAXIMAL FUNCTION
Nurzhan Bokayev, Амиран Гогатишвили, Azhan N. abek
Abstract
In this paper, we consider the generalized fractional maximal function and use it to introduce the space of generalized fractional maximal functions and the various cones of monotone functions generated by generalized fractional maximal functions $M_Φf$. We introduced three function classes. We give equivalent descriptions of such cones when the function $Φ$ belongs to some function classes. The conditions for their mutual covering are given. Then, these cones are used to construct a criterion for embedding the space of generalized fractional maximal functions into the rearrangement invariant spaces (RIS). The optimal RIS for such embedding is also described.
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