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Feb 16 at 21:00 history became hot network question
Feb 16 at 17:37 vote accept Oscarcillo
Feb 16 at 17:05 comment added Tobias Fünke I have written an answer and removed my previous comments for that reason.
Feb 16 at 15:35 history edited Tobias Fünke CC BY-SA 4.0
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Feb 16 at 14:56 history edited Tobias Fünke
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Feb 16 at 14:44 answer added Tobias Fünke timeline score: 6
Feb 16 at 12:50 comment added Oscarcillo My question is that the projector operator can be defined as the outer product of two vectors, as you said, because there exists the ismorphism that I mentioned. But if in infinte dimensions the ismorphism breaks, then why can we still define it in this way?
Feb 16 at 10:00 history asked Oscarcillo CC BY-SA 4.0