Table 1 The characterization of the class \((X,Y)\)
From: A weighted mean Hausdorff type operator and its summability matrix domain
From∖To | \(\ell _{1}\) | c | \(\ell _{\infty }\) |
|---|---|---|---|
\(\ell _{1}\) | 1. | 4. | 7. |
\(\ell _{p}\) | 2. | 5. | 8. |
\(\ell _{\infty }\) | 3. | 6. | 9. |