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Aug 29, 2021 at 16:05 history made wiki Post Made Community Wiki by Stefan Kohl
Mar 9, 2010 at 13:18 comment added Andrea Ferretti Yes, that's what I meant.
Mar 8, 2010 at 23:55 comment added gowers It's Cauchy-Schwarz applied to the scalar product of X and the constant function 1.
Mar 8, 2010 at 21:51 comment added Andrea Ferretti Isn't your first example Cauchy's inequality applied to the scalar product on $L^2$ of the probability space?
Mar 8, 2010 at 21:26 comment added Sunni Your second example is restricted in real field. My examples are also true in complex field.
Mar 8, 2010 at 19:04 history answered gowers CC BY-SA 2.5