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Bounds on 2-query codeword testing

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Abstract

We present upper bounds on the size of codes that are locally testable by querying only two input symbols. For linear codes, we show that any 2-locally testable code with minimal distance δn over any finite field double-struck F sign cannot have more than |double-struck F sign|3/δ codewords. This result holds even for testers with two-sided error. For general (non-linear) codes we obtain the exact same bounds on the code size as a function of the minimal distance, but our bounds apply only for binary alphabets and one-sided error testers (i.e. with perfect completeness). Our bounds are obtained by examining the graph induced by the set of possible pairs of queries made by a codeword tester on a given code. We also demonstrate the tightness of our upper bounds and the essential role of certain parameters. © Springer-Verlag Berlin Heidelberg 2003.

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APA

Ben-Sasson, E., Goldreich, O., & Sudan, M. (2003). Bounds on 2-query codeword testing. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2764, 216–227. https://doi.org/10.1007/978-3-540-45198-3_19

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