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Complete Variable-Length "Fix-Free" Codes (1995)  (Make Corrections)  (2 citations)
David Gillman, Ronald L. Rivest
Designs, Codes and Cryptography



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Abstract: A set of codewords is fix-free if it is both prefix-free and suffix-free: no codeword in the set is a prefix or a suffix of any other. A set of codewords fx 1 ; x 2 ; : : : ; x n g over a t-letter alphabet \Sigma is said to be complete if it satisfies the Kraft inequality with equality, so that X 1in t \Gammajx i j = 1 : The set \Sigma k of all codewords of length k is obviously both fix-free and complete. We show, surprisingly, that there are other examples of complete fix-free codes,... (Update)

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...f(n) 2f(n Gamma 1) if n is odd. For even n the set j S j j S n 0 j (see Theorem 3) for n = 8 and for all n 52. 2. In [4] one finds an example of a complete fix free code with the codeword lengths 2; 3; 3; 3; 3; 4; 4; 4; 4; We know from (i) of Proposition 1 that it is not...

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BibTeX entry:   (Update)

David Gillman and Ronald L. Rivest, Complete variable -- length fix -- free -- codes, Designs, Codes and Cryptography, 5, 109--114, 1995. 1995 Kluwer Academic Publishers, Boston. Manufactured in The Netherlands. http://citeseer.ist.psu.edu/gillman95complete.html   More

@article{ gillman95complete,
    author = "David Gillman and Ronald L. Rivest",
    title = "Complete Variable-Length ``Fix-Free'' Codes",
    journal = "Designs, Codes and Cryptography",
    volume = "5",
    number = "2",
    pages = "109-114",
    year = "1995",
    url = "citeseer.ist.psu.edu/gillman95complete.html" }
Citations (may not include all citations):
338   A method for the construction of minimum-redundancy codes (context) - Huffman - 1952

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