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Research map / Optimization / Nonconvex and smooth optimization

Conformal Symplectic and Relativistic Optimization

NeurIPS 2020 · Optimization › Nonconvex and smooth optimization · approach: Acceleration and Nesterov dynamics · 19 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use RGD instead of CM and NAGOptimization problems with large gradients or fast-growing tails · Beale functionconvergenceHelped
Use RGD instead of CM and NAGOptimization problems with large gradients or fast-growing tails · Zakharov functionconvergenceHelped
Use RGD instead of CM and NAGOptimization problems with large gradients or fast-growing tails · Three-hump camel back functionconvergenceHelped
Set relativistic normalization strength δ > 0 (ablation)RGD · Beale functionconvergenceHelped
Set relativistic normalization strength δ > 0 (ablation)RGD · Schwefel functionconvergenceHelped
Set relativistic normalization strength δ > 0 (ablation)RGD · Zakharov functionconvergenceHelped
Choose α near 1 to retain conformal symplecticity (ablation)RGD · Correlated quadraticconvergenceHelped
Choose α = 1 instead of α = 0 (ablation)RGD · Quadratic stability analysisstabilityHelped
Use a second-order conformal symplectic discretization rather than first-order CM (ablation)RGD · Quadratic stability analysisstabilityHelped
Introduce Hessian-dependent spurious dampingNAG relative to CM · Quadratic stability analysisstabilityHurt
Introduce Hessian-dependent spurious dampingNAG relative to CM · Quadratic stability analysisconvergence rateHelped

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