
We will prove that under certain conditions on the parameters the operators $T^{+}f = \max(f,0)$ and $ Tf = |f| $ are bounded mappings on the Triebel-Lizorkin-Morrey and Besov-Morrey spaces. Moreover we will show that some of the conditions we mentioned before are also necessary. Furthermore we prove that for $p < u $ in many cases the Triebel-Lizorkin-Morrey spaces do not have the Fubini property.
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Mathematics - Functional Analysis, FOS: Mathematics, 46E35, Functional Analysis (math.FA)
Mathematics - Functional Analysis, FOS: Mathematics, 46E35, Functional Analysis (math.FA)
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