#11




Re: Problem 2.14(c)
I´ve been struggling with this problem too. Essentialiy we have to prove that the second expression in the min expression
. is a valid as explains magdon in Quote:
(1) must be satisfied. I have been finding upper bounds to the right hand side of (1), using the following tricks if (the case must be proved apart). , , because (this is not the seven in the exponent) and . Then we arrive at an expression that can be compared easily with the left hand side of (1) proving that this inequality is valid. 
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