Skip to main content
edited tags
Link
Bill Johnson
  • 31.5k
  • 5
  • 89
  • 138
Source Link

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 $\ell_\infty$?