Published June 3, 2026
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Proving the Shlyakhtenko Finite Free Stam Inequality Conjecture: Information-Theoretic Monotonicity of Zeros Under Walsh Convolutions
Description
We present a mathematically rigorous proof and numeric verification of Dimitri Shlyakhtenko's 2015 conjecture establishing the finite free Stam inequality: 1/J(p ⊞ q) >= 1/J(p) + 1/J(q) for any pair of monic real-rooted polynomials p, q of degree n. The Walsh convolution operator acts as a finite-dimensional analogue of free additive convolution, preserving real-rootedness of zeros. We demonstrate that the finite free Fisher information is minimized under variance constraints by the roots of Her
Domain: mathematics
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