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edited Mar 14, 2012 at 19:49

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Extension of weakly compact operators from $\ell_1$ into $c_0$

Is every weakly compact operator from $\ell_1$ into $c_0$ extendible to any larger space? Equivalently, is every weakly compact operator from $\ell_1$ into $c_0$ extendible to $\ell_\infty$?

asked Mar 13, 2012 at 16:26

Joaquin M. Gutierrez