Linear Probing with 5-Independent Hashing

September 15, 2015 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Mikkel Thorup arXiv ID 1509.04549 Category cs.DS: Data Structures & Algorithms Citations 1 Venue arXiv.org Last Checked 4 months ago
Abstract
These lecture notes show that linear probing takes expected constant time if the hash function is 5-independent. This result was first proved by Pagh et al. [STOC'07,SICOMP'09]. The simple proof here is essentially taken from [Patrascu and Thorup ICALP'10]. We will also consider a smaller space version of linear probing that may have false positives like Bloom filters. These lecture notes illustrate the use of higher moments in data structures, and could be used in a course on randomized algorithms.
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