Jackson-type inequalities and widths of functional classes in the Musielak-Orlicz type spaces

F. G. Abdullayev, S. O. Chaichenko, M. Imashkyzy +1

In the Musielak-Orlicz type spaces ${\mathcal{S}}_{\mathbf{M}}$, exact Jackson-type inequalities are obtained in terms of best approximations of functions and the averaged values of thei…