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Combinatorial construction of locally testable codes

Published: 17 May 2008 Publication History

Abstract

An error correcting code is said to be locally testable if there is a test that checks whether a given string is a codeword, or rather far from the code, by reading only a constant number of symbols of the string. Locally Testable Codes (LTCs) were first systematically studied by Goldreich and Sudan (J. ACM 53(4)) and since then several Constructions of LTCs have been suggested.
While the best known construction of LTCs by Ben-Sasson and Sudan (STOC 2005) and Dinur (J. ACM 54(3)) achieves very efficient parameters, it relies heavily on algebraic tools and on PCP machinery. In this work we present a new and arguably simpler construction of LTCs that is purely combinatorial, does not rely on PCP machinery and matches the parameters of the best known construction. However, unlike the latter construction, our construction is not entirely explicit.

References

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    cover image ACM Conferences
    STOC '08: Proceedings of the fortieth annual ACM symposium on Theory of computing
    May 2008
    712 pages
    ISBN:9781605580470
    DOI:10.1145/1374376
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    Published: 17 May 2008

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    Author Tags

    1. locally testable codes
    2. pcps of proximity
    3. probabilistically checkable proofs

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    • (2010)Symmetric LDPC Codes and Local TestingProperty Testing10.1007/978-3-642-16367-8_25(312-319)Online publication date: 2010
    • (2009)List decoding tensor products and interleaved codesProceedings of the forty-first annual ACM symposium on Theory of computing10.1145/1536414.1536419(13-22)Online publication date: 31-May-2009
    • (2009)Locally Testable Codes Require Redundant TestersProceedings of the 2009 24th Annual IEEE Conference on Computational Complexity10.1109/CCC.2009.6(52-61)Online publication date: 15-Jul-2009
    • (2009)Tolerant Linearity Testing and Locally Testable CodesProceedings of the 12th International Workshop and 13th International Workshop on Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques10.1007/978-3-642-03685-9_45(601-614)Online publication date: 21-Aug-2009
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