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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
verification ladder T0 review T1 audit T2 compute T3 formal

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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 3 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.

  3. Adaptive Quantum Computers: decoding and state preparation

    quant-ph 2025-09 conditional novelty 6.0 of 10

    Adaptive quantum computers, mixing quantum circuits with classical parity processing, provably separate from classical shallow circuits on Hadamard list decoding and also prepare standard quantum states more efficiently.

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