From the 1 of 3 linked papers with an AI index.
3 papers
cs.AI2026
OS-Pruner: Pruning Chains-of-Thought of Reasoning Models via Optimal Stopping
Mohammed Ehab, Aymane El Gadarri, Vivek F. Farias +2
The paper proposes OS-Pruner, a lightweight framework that treats chain-of-thought reasoning in large language models as an optimal stopping problem, allowing the model to stop gen…
cs.LG2026
The Value of Covariance Matching in Gaussian DDPMs and the Lanczos Sampler
Md Sahil Akhtar, Aymane El Gadarri, Vivek F. Farias +1
A central error measure in Gaussian DDPMs is the path-space KL divergence between the exact reverse chain and the learned Gaussian reverse process. This quantity is especially rele…
cs.AI2025
The Sign Estimator: LLM Alignment in the Face of Choice Heterogeneity
Ali Aouad, Aymane El Gadarri, Vivek F. Farias
Traditional LLM alignment methods are vulnerable to heterogeneity in human preferences. Fitting a naïve probabilistic model to pairwise comparison data (say over prompt-completion…