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Probability and statistical mechanics

Probability studies random structures and their limits.

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Parisi–Zamponi–Claude: an analytic proof of the jamming exponent identity

Parisi and Zamponi give an analytic proof of a+b=1 from the scaling full replica-symmetry-breaking equations for infinite-dimensional hard-sphere jamming. Together with the earlier relation b=(1+c)/2, it yields the scaling identities linking force, gap and overlap exponents.

Read original source Parisi–Zamponi: precise identity, assumptions and AI disclosurearxiv.org

Original report: 2026-06-02

Claude reports: no infinite critical cluster on integer lattices

The pinned Anthropic development reports θ(p_c)=0 for nearest-neighbour Bernoulli bond percolation on Zᵈ in every integer dimension d≥2. It proves Kozma–Nitzan’s Conjecture 3 through an additive gluing inequality and formalizes the reduction to the lattice statement.

Read original source Pinned Anthropic development: exact lattice statementgithub.com

Original report: 2026-08-28

AI-assisted small counterexamples to the Gaussian Moments Conjecture

Christopher D. Long reports explicit complex polynomials P and Q in three independent real Gaussian variables with E(P^m)=0 and E(QP^m)=m! for every positive integer m. A five-term degree-four example refutes the conjecture in every dimension at least three; a six-term cubic example works in four variables.

Read original source Original paper and AI-provenance sectionarxiv.org

Original report: 2026-07-20

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Probability studies random structures and their limits. Critical thresholds and phase transitions depend on the graph, measure, and model.

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Background review: 2026-10-11. Selected sources:

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