Beck and Teboulle: fast iterative shrinkage-thresholding

What changed

Accelerated shrinkage-thresholding iterations with proven objective-rate improvement.

Scientific scope

The record is the exact two-author 2009 SIAM Journal on Imaging Sciences paper. Earlier proximal splitting and Nesterov acceleration, monotone variants, iterate-convergence refinements and application-specific performance remain separate.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact two-author 2009 SIAM Journal on Imaging Sciences paper. Earlier proximal splitting and Nesterov acceleration, monotone variants, iterate-convergence refinements and application-specific performance remain separate.

Contributors

• Amir Beck · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Marc Teboulle · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• SIAM DOI record for FISTA
• Author-hosted full paper for FISTA

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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