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Trans-Dichotomous Algorithms without Multiplication —some Upper and Lower Bounds

BRICS Report Series

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Title Trans-Dichotomous Algorithms without Multiplication —some Upper and Lower Bounds
 
Creator Brodnik, Andrej
Miltersen, Peter Bro
Munro, J. Ian
 
Description We show that on a RAM with addition, subtraction, bitwiseBoolean operations and shifts, but no multiplication, there is atrans-dichotomous solution to the static dictionary problem usinglinear space and with query time sqrt(log n(log log n)^(1+o(1))). Onthe way, we show that two w-bit words can be multiplied intime (log w)^(1+o(1)) and that time Omega(log w) is necessary, and thatTheta(log log w) time is necessary and sufficient for identifying theleast significant set bit of a word.
 
Publisher Aarhus University
 
Date 1997-01-12
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://tidsskrift.dk/brics/article/view/18803
10.7146/brics.v4i12.18803
 
Source BRICS Report Series; No 12 (1997): RS-12 Trans-Dichotomous Algorithms without Multiplication —some Upper and Lower Bounds
BRICS Report Series; Nr. 12 (1997): RS-12 Trans-Dichotomous Algorithms without Multiplication —some Upper and Lower Bounds
1601-5355
0909-0878
 
Language eng
 
Relation https://tidsskrift.dk/brics/article/view/18803/16448