Author

Zhao Song

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Preprint Aug 2026

A General Framework for Metropolis-Adjusted Dikin Walks: Dimension-Square Mixing on Polytopes and Log-Det Walks on Spectrahedra

This work analyzes exact-metric, Metropolis-adjusted Dikin walks by keeping the proposal determinant and reverse quadratic form together, leaving centered fluctuations that can be controlled with second-order tools.

Zhao Song, Li-Cheng Zhang · 0 citations