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Oct 26, 2020 at 22:26 comment added Bill Johnson It is easy to show that a Banach space is a Shur space (every weakly convergent sequence is norm convergent) if and only if the norm is weakly sequentially continuous. Hint: Show that in every non Shur space there is a sequence of unit vectors that converges weakly to zero.
Oct 26, 2020 at 14:05 review Close votes
Nov 5, 2020 at 18:45
Oct 26, 2020 at 13:50 comment added Motaka Thank you for pointing out this.
Oct 26, 2020 at 13:47 history edited Motaka CC BY-SA 4.0
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Oct 26, 2020 at 12:10 comment added Jochen Glueck I assume that $T$ is allowed to be non-linear again, as in your previous question? If yes, then I suggest to replace "an operator" in your first sentence either with "an (in general, non-linear) operator" or with "a mapping".
Oct 26, 2020 at 11:10 history asked Motaka CC BY-SA 4.0