Displaying similar documents to “C source code obfuscator”

On a test for codes.

Falucskai, J. (2006)

Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]

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Relations among arithmetical functions, automatic sequences, and sum of digits functions induced by certain Gray codes

Yuichi Kamiya, Leo Murata (2012)

Journal de Théorie des Nombres de Bordeaux

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In the study of the 2 -adic sum of digits function S 2 ( n ) , the arithmetical function u ( 0 ) = 0 and u ( n ) = ( - 1 ) n - 1 for n ≥ 1 plays a very important role. In this paper, we firstly generalize the relation between S 2 ( n ) and u ( n ) to a bijective relation between arithmetical functions. And as an application, we investigate some aspects of the sum of digits functions S 𝒢 ( n ) induced by binary infinite Gray codes 𝒢 . We can show that the difference of the sum of digits function, S 𝒢 ( n ) - S 𝒢 ( n - 1 ) , is realized by an automaton. And the summation formula...

Minimal Codewords in Linear Codes

Borissov, Yuri, Manev, Nickolai (2004)

Serdica Mathematical Journal

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2000 Mathematics Subject Classification: 94B05, 94B15. Cyclic binary codes C of block length n = 2^m − 1 and generator polynomial g(x) = m1(x)m2^s+1(x), (s, m) = 1, are considered. The cardinalities of the sets of minimal codewords of weights 10 and 11 in codes C and of weight 12 in their extended codes ^C are determined. The weight distributions of minimal codewords in the binary Reed-Muller codes RM (3, 6) and RM (3, 7) are determined. The applied method enables codes...

On capacity regions of discrete asynchronous multiple access channels

Lóránt Farkas, Tamás Kói (2014)

Kybernetika

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A general formalization is given for asynchronous multiple access channels which admits different assumptions on delays. This general framework allows the analysis of so far unexplored models leading to new interesting capacity regions. The main result is the single letter characterization of the capacity region in case of 3 senders, 2 synchronous with each other and the third not synchronous with them.