Quantum soundness of testing tensor codes
Discrete analysis (2022)
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A locally testable code is an error-correcting code that admits very efficient probabilistic tests of membership. Tensor codes provide a simple family of combinatorial constructions of locally testable codes that generalize the family of Reed-Muller codes. The natural test for tensor codes, the axis-parallel line vs. point test, plays an essential role in constructions of probabilistically checkable proofs.
We analyze the axis-parallel line vs. point test as a two-prover game and show that the test is sound against quantum provers sharing entanglement. Our result implies the quantum-soundness of the low individual degree test, which is an essential component of the MIP* = RE theorem. Our proof also generalizes to the infinite-dimensional commuting-operator model of quantum provers.
@article{DAS_2022_a3,
author = {Zhengfeng Ji and Anand Natarajan and Thomas Vidick and John Wright and Henry Yuen},
title = {Quantum soundness of testing tensor codes},
journal = {Discrete analysis},
year = {2022},
language = {en},
url = {http://geodesic.mathdoc.fr/item/DAS_2022_a3/}
}
Zhengfeng Ji; Anand Natarajan; Thomas Vidick; John Wright; Henry Yuen. Quantum soundness of testing tensor codes. Discrete analysis (2022). http://geodesic.mathdoc.fr/item/DAS_2022_a3/