118 search results - page 18 / 24 » Permutation codes |
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PPDP
2009
Springer
15 years 4 months ago
2009
Springer
We introduce a logic programming framework for data type transformations based on isomorphisms between elementary data types (natural numbers, finite functions, sets and permutat...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract— A multicell system which supports multiple antennas and OFDMA modulation/access is considered in this paper as conforming IEEE 802.16-2005 standard. Focusing on the upl...
ASIACRYPT
2000
Springer
15 years 1 months ago
2000
Springer
Abstract. We investigate several alternate characterizations of pseudorandom functions (PRFs) and pseudorandom permutations (PRPs) in a concrete security setting. By analyzing the ...
IEEEPACT
1999
IEEE
15 years 1 months ago
1999
IEEE
Existing techniques can enhance the locality of arrays indexed by affine functions of induction variables. This paper presents a technique to localize non-affine array references,...
APL
1998
ACM
15 years 1 months ago
1998
ACM
This article describes how array predicates were used to reduce the computational complexity of four APL primitive functions when one of their arguments is a permutation vector. T...