Derandomizing the Ahlswede-Winter matrix-valued Chernoff bound using pessimistic estimators, and applications


Ahlswede and Winter [IEEE Trans. Inf. Th. 2002] introduced a Chernoff bound for matrix-valued random variables, which is a non-trivial generalization of the usual Chernoff bound for real-valued random variables. We present an efficient derandomization of their bound using the method of pessimistic estimators (see Raghavan [JCSS 1988]). As a consequence, we… (More)
DOI: 10.4086/toc.2008.v004a003


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