Sharp estimates for C - and L - norms of functions that are conjugate with functions from the classes W^rH_\omega of periodic functions having prescribed concave majorant of moduli of continuity, as well as sharp estimates for the differences of such functions are obtained.
Gabor systems and almost periodic functions
Asymptotically Weyl almost periodic functions in Lebesgue spaces with variable exponents
Estimates for approximation characteristics of the classes $B^Ω_{p,θ}$ of periodic functions of many variables with a given majorant of the mixed moduli of continuity
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