Interpolating Some Classes of Operators between Families
DOI:
https://doi.org/10.26713/cma.v5i1.198Keywords:
Real methods of interpolation between families, Operator idealsAbstract
Many operator ideals (single operator ideals and chains, see inside) possess the strong property of interpolation for the $J$ and $K$ methods of Lions-Peetre, Sparr, Fernandez and Cobos-Peetre. That is, let $\mathcal{I}$ be one of the ideals considered here, let $\bar{A}$ and $\bar{B}$ be interpolation families and $T : \bar{A}\to\bar{B}$ a bounded linear operator then, the interpolated operator $T_{J;K} : J(\bar{A})\to K(\bar{B})$ belongs to $\mathcal{I}$ if and only if the induced operator $T_{\mathcal{JS}}$ from the intersection space $\mathcal{J} (\bar{A})$ into the sum space $\mathcal{S}(B)$ belongs to $\mathcal{I}$.Downloads
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