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Perfect Hashing and Probability

Published online by Cambridge University Press:  12 September 2008

A. Nilli
Affiliation:
c/o N. Alon, Department of Mathematics, Tel Aviv University, Tel Aviv, Israel

Abstract

A simple proof is given of the best-known upper bound on the cardinality of a set of vectors of length t over an alphabet of size b, with the property that, for every subset of k vectors, there is a coordinate in which they all differ. This question is motivated by the study of perfect hash functions.

Information

Type
Research Article
Copyright
Copyright © Cambridge University Press 1994

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