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Fully persistent arrays

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Algorithms and Data Structures (WADS 1989)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 382))

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Abstract

This paper has outlined an algorithm for fully persistent arrays in which Access operations take O(log log n) time and Store operations take O(log log n) amortized expected time. The algorithm uses linear space.

Because any data structure can be implemented with an array, we can use the techniques described in this paper to make any data structure fully persistent at a cost of an extra factor of log log n per operation and using space proportional to the number of memory modifications. Of course, a data structure that is efficient only in the amortized sense may perform poorly if made fully persistent, because expensive operations may be replicated on many branches of the version tree.

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F. Dehne J. -R. Sack N. Santoro

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© 1989 Springer-Verlag Berlin Heidelberg

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Dietz, P.F. (1989). Fully persistent arrays. In: Dehne, F., Sack, J.R., Santoro, N. (eds) Algorithms and Data Structures. WADS 1989. Lecture Notes in Computer Science, vol 382. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-51542-9_8

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  • DOI: https://doi.org/10.1007/3-540-51542-9_8

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-51542-5

  • Online ISBN: 978-3-540-48237-6

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