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Some Applications of Coding Theory in Computational Complexity

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arxiv cs/0409044 v1 pith:RV2NW7YM submitted 2004-09-24 cs.CC cs.ITmath.IT

classification cs.CCcs.ITmath.IT
keywords codeserror-correctingcomplexitytheorytheyalgorithmsapplicationscombinatorial
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Error-correcting codes and related combinatorial constructs play an important role in several recent (and old) results in computational complexity theory. In this paper we survey results on locally-testable and locally-decodable error-correcting codes, and their applications to complexity theory and to cryptography. Locally decodable codes are error-correcting codes with sub-linear time error-correcting algorithms. They are related to private information retrieval (a type of cryptographic protocol), and they are used in average-case complexity and to construct ``hard-core predicates'' for one-way permutations. Locally testable codes are error-correcting codes with sub-linear time error-detection algorithms, and they are the combinatorial core of probabilistically checkable proofs.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Improved Lower Bounds for all Odd-Query Locally Decodable Codes

    cs.CC 2024-11 accept novelty 8.0 of 10

    For every odd q ≥ 3, any q-query binary locally decodable code with constant distance satisfies k ≤ O~(n^(1-2/q)), the first bound of this form for q ≥ 5.

  2. A $k^{\frac{q}{q-2}}$ Lower Bound for Odd Query Locally Decodable Codes from Bipartite Kikuchi Graphs

    cs.CC 2024-11 accept novelty 8.0 of 10

    For every constant odd number of queries q, any q-query locally decodable code has length at least (k/(log k))^(q/(q-2)) up to constants.

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