Abstract:
In this paper, we study the anisotropic Lorentz space of periodic functions. We establish a sharp estimate of the order of approximation for the Besov class by trigonometric polynomials in
Lorentz spaces with anisotropic norm.
Keywords:anisotropic Lorentz space, Besov class, approximation of function classes, trigonometric polynomial, periodic function, Lebesgue space, Hölder's inequality.
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