The low-degree polynomial hardness threshold conjecture for random k-SAT

Let kk be the clause width, let κ\kappa be the clause-density factor, and let Φk(n,m)\Phi_k(n,m) denote a random kk-SAT formula with nn variables and mm clauses. Let Theorem~ and Theorem~ denote the hardness results stated above.

Low-degree polynomial threshold conjecture. Theorem~ (and Theorem~) holds for all κ>1\kappa > 1.

This conjecture would close the constant-factor gap between the paper's hardness bound and the best known algorithms, establishing the algorithmic phase transition at clause density (1+ok(1))2klogk/k(1+o_k(1))2^k\log k/k.

Sources & referencesView supporting material

Primary source

Guy Bresler and Brice Huang, “The Algorithmic Phase Transition of Random k-SAT for Low Degree Polynomials”, arXiv:2106.02129 (2021).

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