Abstract
In the present article we prove direct, simultaneous and converse approximation theorems by trigonometric polynomials for functions $f$ and $ \left( \psi ,\beta \right) $-derivatives of $f$ in weighted Lorentz spaces.
Citation
Ramazan Akgün. Yunus Emre Yildirir. "Generalized derivatives and approximation in weighted Lorentz spaces." Bull. Belg. Math. Soc. Simon Stevin 24 (3) 353 - 366, september 2017. https://doi.org/10.36045/bbms/1506477686
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