A simpler strong refutation of random $k$-XOR

Abstract

Strong refutation of random CSPs is a fundamental question in theoretical computer science that has received particular attention due to the long-standing gap between the information-theoretic limit and the computational limit. This gap is recently bridged by Raghavendra, Rao and Schramm where they study sub-exponential algorithms for the regime between the two limits. In this work, we take a simpler approach to their algorithm and analysis.

16 pages; presented at International Conference on Randomization and Computation (RANDOM) 2020