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Author, Editor

Author(s):

Dietzfelbinger, Martin
Karlin, Anna
Mehlhorn, Kurt
Meyer Auf Der Heide, Friedhelm
Rohnert, Hans
Tarjan, Robert E.

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BibTeX Citekey*:	mehlhorn91d
Language:	English

Title, Institution

Title*:	Dynamic Perfect Hashing: Upper and Lower Bounds
Institution*:	Princeton University
Publishers or Institutions Address*:	Princeton, NJ, USA
Type:

No, Year, pp.,

Number*:	TR-310-91	Pages*:	34
Month:		VG Wort Pages*:
Year*:	1991	ISBN/ISSN:

DOI:

Note, Abstract, ©

Note:	This technical report has been published as Dynamic Perfect Hashing: Upper and Lower Bounds. Martin Dietzfelbinger, Anna R. Karlin, Kurt Mehlhorn, Friedhelm Meyer auf der Heide, Hans Rohnert and Robert E. Tarjan, Proc. 29th Annual IEEE Symp. on Foundations of Computer Science (1988), 524-531 and SIAM J. Comput. 23 (1994) 738-761.
(LaTeX) Abstract:	The dynamic dictionary problem is considered: provide an algorithm for storing a dynamic set, allowing the operations insert, delete, and lookup. A dynamic perfect hashing strategy is given: a randomized algorithm for the dynamic dictionary problem that takes O(1) worst-case time for lookups and O(1) amortized expected time for insertions and deletions; it uses space proportional to the size of the set stored. Furthermore, lower bounds for the time complexity of a class of deterministic algorithms for the dictionary problem are proved. This class encompasses realistic hashing-based schemes that use linear space. Such algorithms have amortized worst-case time complexity OMEGA(log n) for a sequence of n insertions and lookups; if the worst-case lookup time is restricted to k then the lower bound becomes $OMEGA (k^cdot^n sup 1/k$).
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Correlation

MPG Unit:	Max-Planck-Institut für Informatik

MPG Subunit:	Algorithms and Complexity Group
Audience:	Expert
Appearance:	MPII WWW Server, MPII FTP Server, MPG publications list, university publications list, working group publication list, Fachbeirat, VG Wort

BibTeX Entry:

@TECHREPORT{mehlhorn91d,
AUTHOR = {Dietzfelbinger, Martin and Karlin, Anna and Mehlhorn, Kurt and Meyer Auf Der Heide, Friedhelm and Rohnert, Hans and Tarjan, Robert E.},
TITLE = {Dynamic Perfect Hashing: Upper and Lower Bounds},
YEAR = {1991},
INSTITUTION = {Princeton University},
NUMBER = {TR-310-91},
PAGES = {34},
ADDRESS = {Princeton, NJ, USA},
NOTE = {This technical report has been published as
Dynamic Perfect Hashing: Upper and Lower Bounds. Martin Dietzfelbinger, Anna R. Karlin, Kurt Mehlhorn, Friedhelm Meyer auf der Heide, Hans Rohnert and Robert E. Tarjan,
Proc. 29th Annual IEEE Symp. on Foundations of Computer Science (1988), 524-531 and
SIAM J. Comput. 23 (1994) 738-761.},
}

Entry last modified by Christine Kiesel, 09/18/2006

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	Editor(s) Christine Kiesel	Created 09/18/2006 10:56:51
Revision 0.	Editor Christine Kiesel	Edit Date 18.09.2006 11:12:00

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