~/talk

Random Max-CSPs Inherit Algorithmic Hardness from Spin Glasses

Talkat ITCS 2023 · 2023-01-10..01-13· [machine-learning]
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Shows that for any dense-enough sparse random max-CSP the optimal satisfiable fraction equals a random-assignment baseline plus an explicit 1/√α second-order term equal to the ground-state energy density of a spin-glass whose mixture polynomial is the predicate’s noise-stability. Proof uses Poissonization, a generalized Guerra-Toninelli interpolation and multi-overlap coupling to transfer branching OGP geometry from spin glasses, yielding that overlap-concentrated algorithms (including local classical/quantum and bounded-round AMP families) cannot beat the ALG threshold.

AI-written summary · about

  1. 0:00Introduction
  2. 5:33Results
  3. 8:55corollaries
  4. 10:50informal definitions
  5. 15:10proof ideas
  6. 17:37optimal values
  7. 18:53key insights
  8. 21:35open questions
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