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I wonder if there is an upperbound for following the expression:

$$\int_{\mathbb{R}}\sqrt{f_0[x]f_1[x]}\mbox{d}x$$

where $f_i$, $i=0,1$ are some density functions.

Thanks in advance.

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1 Answer 1

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  1. Use Cauchy Schwarz.$\mbox{ }$
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so simple right. thanks. –  Seyhmus Güngören Mar 1 '13 at 1:28

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