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Nov 10, 2020 at 0:44 history closed Michael Renardy
user44191
Mark Wildon
coudy
Desiderius Severus
Not suitable for this site
Nov 6, 2020 at 6:29 history edited Jarek Sarnowski CC BY-SA 4.0
Fixed grammar
Nov 6, 2020 at 6:26 vote accept Jarek Sarnowski
Nov 6, 2020 at 5:08 answer added Martin Väth timeline score: 1
Nov 5, 2020 at 22:12 review Close votes
Nov 10, 2020 at 0:44
Nov 5, 2020 at 21:33 history edited Jarek Sarnowski CC BY-SA 4.0
Missing info
Nov 5, 2020 at 21:30 comment added Jarek Sarnowski Yes, they are Hilbert spaces
Nov 5, 2020 at 21:20 comment added Dieter Kadelka What are $X,Y$? Hilbert space? Then is $A$ self adjoint, normal, $\ldots$?
Nov 5, 2020 at 21:09 history asked Jarek Sarnowski CC BY-SA 4.0