Abstract
We establish an interpolation result for the rearrangement-invariant martingale Hardy spaces. By using this interpolation result, we extend the mapping properties of the martingale transforms and the fractional integrals on martingale function spaces. In particular, we obtain the mapping properties on the martingale Hardy–Orlicz spaces, the grand martingale Hardy spaces and the martingale Hardy–Lorentz–Karamata spaces.
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Ho, KP. Martingale transforms and fractional integrals on rearrangement-invariant martingale Hardy spaces. Period Math Hung 81, 159–173 (2020). https://doi.org/10.1007/s10998-020-00318-1
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DOI: https://doi.org/10.1007/s10998-020-00318-1
Keywords
- Martingale transforms
- Fractional integrals
- Rearrangement-invariant spaces
- Interpolation
- Martingale
- Hardy spaces
- Orlicz spaces
- Grand Lebesgue spaces
- Lorentz–Karamata spaces