The strong data processing constant for sums of i.i.d. random variables

@article{Kamath2015TheSD,
  title={The strong data processing constant for sums of i.i.d. random variables},
  author={Sudeep Kamath and Chandra Nair},
  journal={2015 IEEE International Symposium on Information Theory (ISIT)},
  year={2015},
  pages={2550-2552}
}
We obtain the strong data processing constant for sums of real-valued i.i.d. random variables by means of a very simple information-theoretic proof. As a corollary, we recover a classical result concerning the maximal correlation between sums of a sequence of real-valued i.i.d. random variables. 

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