<p>In this paper, we introduce two degenerate binomial sequence spaces <InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(b_{p}^{r,s,\lambda }\)</EquationSource> </InlineEquation> and <InlineEquation ID="IEq6"> <EquationSource Format="TEX">\(b_{\infty }^{r,s,\lambda }\)</EquationSource> </InlineEquation> and show that these are linearly isomorphic to the classical spaces <InlineEquation ID="IEq7"> <EquationSource Format="TEX">\(\ell _{p}\)</EquationSource> </InlineEquation> and <InlineEquation ID="IEq8"> <EquationSource Format="TEX">\(\ell _{\infty }\)</EquationSource> </InlineEquation>, respectively. Also, we give the <InlineEquation ID="IEq9"> <EquationSource Format="TEX">\(\beta \)</EquationSource> </InlineEquation>-duals for both the spaces and we derive the characterization of certain classes of matrix mappings pertaining to the spaces <InlineEquation ID="IEq10"> <EquationSource Format="TEX">\(b_{p}^{r,s,\lambda }\)</EquationSource> </InlineEquation> and <InlineEquation ID="IEq11"> <EquationSource Format="TEX">\(b_{\infty }^{r,s,\lambda }\)</EquationSource> </InlineEquation>. Moreover, we deal with the characterization of compact operators acting on the spaces by using Hausdorff measure of non-compactness.</p>

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Degenerate binomial matrix and its domain in the spaces \(\ell _{p}\) and \(\ell _{\infty }\)

  • Güldane Yıldız,
  • Sevgi Perdahlı,
  • Muhammet Cihat Dağlı

摘要

In this paper, we introduce two degenerate binomial sequence spaces \(b_{p}^{r,s,\lambda }\) and \(b_{\infty }^{r,s,\lambda }\) and show that these are linearly isomorphic to the classical spaces \(\ell _{p}\) and \(\ell _{\infty }\) , respectively. Also, we give the \(\beta \) -duals for both the spaces and we derive the characterization of certain classes of matrix mappings pertaining to the spaces \(b_{p}^{r,s,\lambda }\) and \(b_{\infty }^{r,s,\lambda }\) . Moreover, we deal with the characterization of compact operators acting on the spaces by using Hausdorff measure of non-compactness.