<p>In the present article we obtain the wavelet associated approximation properties of <i>q</i>-Szász type operators by use of sequences of continuous functions on <InlineEquation ID="IEq1"> <EquationSource Format="MATHML"><math> <mo stretchy="false">[</mo> <mn>0</mn> <mo>,</mo> <mi mathvariant="normal">∞</mi> <mo stretchy="false">)</mo> </math></EquationSource> <EquationSource Format="TEX">$[0, \infty)$</EquationSource> </InlineEquation>. We construct the sequences of <i>q</i>-Szász type operators and introduce the Kantrovich variant of <i>q</i>-Szász type operators by wavelets, then obtain the <InlineEquation ID="IEq2"> <EquationSource Format="MATHML"><math> <msub> <mi>L</mi> <mi>p</mi> </msub> </math></EquationSource> <EquationSource Format="TEX">$L_{p}$</EquationSource> </InlineEquation>-approximation for <InlineEquation ID="IEq3"> <EquationSource Format="MATHML"><math> <mn>1</mn> <mo>≤</mo> <mi>p</mi> <mo>&lt;</mo> <mi mathvariant="normal">∞</mi> </math></EquationSource> <EquationSource Format="TEX">$1\leq p &lt; \infty $</EquationSource> </InlineEquation>. We obtain some characterization of second-order Lipschitz function spaces. We use the Ditzian-Totik <i>K</i>-functional and obtain some inequalities in <InlineEquation ID="IEq4"> <EquationSource Format="MATHML"><math> <msub> <mi>L</mi> <mi>p</mi> </msub> </math></EquationSource> <EquationSource Format="TEX">$L_{p}$</EquationSource> </InlineEquation> spaces.</p>

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Wavelets associated approximation enhanced by Szász-type operators initiated by q-properties

  • Md. Nasiruzzaman

摘要

In the present article we obtain the wavelet associated approximation properties of q-Szász type operators by use of sequences of continuous functions on [ 0 , ) $[0, \infty)$ . We construct the sequences of q-Szász type operators and introduce the Kantrovich variant of q-Szász type operators by wavelets, then obtain the L p $L_{p}$ -approximation for 1 p < $1\leq p < \infty $ . We obtain some characterization of second-order Lipschitz function spaces. We use the Ditzian-Totik K-functional and obtain some inequalities in L p $L_{p}$ spaces.