Vivek F. Farias

Electrical Engineering and Computer Science, Operations Research Center, Sloan School of Management, Massachusetts Institute of Technology

MIT CSAIL

Papers on Lattice

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Publication activitypapers/week, last 8 weeks

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Architecture Design (Transformers, SSMs, MoE) (1)Training Efficiency & Optimization (1)

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Md Sahil Akhtar (1)Aymane El Gadarri (1)Adam D. Jozefiak (1)

Papers (1)

May 21, 2026

MIT CSAILMay 21, 2026·also Electrical Engineering and Computer, Operations Research Center, Sloan School of Management

The Value of Covariance Matching in Gaussian DDPMs and the Lanczos Sampler

Matching the full posterior covariance in Gaussian DDPMs slashes path KL error and unlocks faster, higher-quality sampling with a surprisingly simple Lanczos-based method.

Md Sahil Akhtar, Aymane El Gadarri, Vivek F. Farias +1

Architecture Design (Transformers, SSMs, MoE)Training Efficiency & Optimization

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Vivek F. Farias

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)