The soft-threshold Dikin walk mixes in O((m+kappa)n) iterations for truncated logconcave targets, supported by a new isoperimetric inequality combining Euclidean and Hilbert metrics.
Albert and Siddhartha Chib
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Regularized Dikin Walks for Sampling Truncated Logconcave Measures, Mixed Isoperimetry and Beyond Worst-Case Analysis
The soft-threshold Dikin walk mixes in O((m+kappa)n) iterations for truncated logconcave targets, supported by a new isoperimetric inequality combining Euclidean and Hilbert metrics.