FINOM extends fast Sinkhorn to non-uniform meshes via a dividing index that creates quasi-collinear kernel blocks, reducing per-iteration cost from O(N^2) to O(N) with supporting 1D/2D experiments.
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FINOM: Fast Sinkhorn on Non-uniform Meshes
FINOM extends fast Sinkhorn to non-uniform meshes via a dividing index that creates quasi-collinear kernel blocks, reducing per-iteration cost from O(N^2) to O(N) with supporting 1D/2D experiments.