A Note on Universal Classes of Hash Functions


In a recent paper, Carter and Wegman [2] defined universal classes of hash functions and studied their properties. In this note, we exhibit several universal classes of hash functions, and give a slightly different definition which leads to collections of hash functions which are, in at least one sense, optimal. The notation is that of [2] : A and B denote… (More)
DOI: 10.1016/0020-0190(80)90122-2


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