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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Jun 20, 2014 at 14:29 comment added Norbert @AndreasBlass, ok
Jun 20, 2014 at 14:28 history undeleted Norbert
Jun 20, 2014 at 14:27 history edited Norbert CC BY-SA 3.0
deleted 90 characters in body
Jun 20, 2014 at 14:18 history deleted Norbert via Vote
Jun 20, 2014 at 14:15 comment added Andreas Blass There are lots of (non-closed) ideals between the ideal of finite-rank operators and the ideal of compact operators. Some examples were mentioned already in the question.
Jun 20, 2014 at 13:47 history answered Norbert CC BY-SA 3.0