The Optimization Landscape of Carath'eodory Decomposition of Toeplitz Covariances

arXiv:2511.01605 · cs.LG, stat.ML · Submitted 2025-11-03 · Read on arXiv

cs.LG, stat.ML

Submitted: 2025-11-03

Updated: 2026-10-12

Code: https://github.com/danielbusbib/Estimation-of-Toeplitz-Covariance-Matricesusing-Overparameterized-Gradient-Descent

Terminology

• Accuracy — 1× in this paper · explained in 1 episode
• Steering — 1× in this paper · explained in 2 episodes

Sources

• A Local Polyak-Lojasiewicz and Descent Lemma of Gradient Descent For Overparametrized Linear Models
• Block Acceleration Without Momentum: On Optimal Stepsizes of Block Gradient Descent for Least-Squares

Related papers

• Polynomial-Augmented Neural Networks (PANNs) with Weak Orthogonality Constraints for Enhanced Function and PDE Approximation
• AIRL-S: Unifying Reinforcement Learning and Search-Based Test-Time Scaling via Adversarial Inverse Reinforcement Learning
• Transformers as Bayesian In-Context Experimenters: Smoothness-Adaptive Efficient ATE Estimation
• Convergence issues in Relational Concept Analysis based on AOC-posets
• Beliefs Beyond Posteriors: The Predictive Cost of ELBO Binding
• Understanding Diffusion Models via Ratio-Based Function Approximation with SignReLU Networks