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Timeline for The Schwartz space is not normable

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Apr 15, 2022 at 18:57 comment added user1110 @priel could you please elaborate a little more? I mean each of the functions are bounded, but why is the whole family bounded? And to conclude rel. comapctness don't we need equicontinuity as well?
Aug 8, 2019 at 17:23 comment added Adrián González Pérez Complete overkill: $S(\mathrm{R}^n)$ is a nuclear space (in the sense of Grothedieck) and therefore it can not be infinite dimensional Banach space.
Sep 11, 2015 at 11:24 answer added Simon Henry timeline score: 10
Sep 11, 2015 at 9:39 comment added priel Well, bounded sets are relatively compact (follows from Ascoli), something which cannot happen in infinite dimensional normed spaces. Not sure if you would call that simple.
Sep 11, 2015 at 9:01 history asked Bazin CC BY-SA 3.0