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machine learning Oct 20 Text-to-Image Generative Modeling Without Language Pretraining The dominant paradigm for text-to-image (T2I) generation has long relied on internet-scale language pretraining. Models such as those in the LlamaGen and JiT-T2I families incorporate large language model components pretrained on v... machine learning Oct 20 Reinforcement Learning with Visually Attributable On-Policy Self-Distillation Multimodal reinforcement learning with verifiable rewards (RLVR) provides reliable task-level supervision, yet offers limited guidance for localizing errors in visual reasoning. On-policy self-distillation (OPSD) complements this... machine learning Oct 19 Rethinking the design space of Vanilla Pixel Diffusion Transformers Pixel-space diffusion models have re-emerged as an alternative to latent diffusion, eliminating the need for a separately trained autoencoder and its associated bottleneck. A prior result from JiT demonstrated that a vanilla diffu... machine learning Oct 19 CocoRNA: Collective RNA Design with Cooperative Multi-agent Reinforcement Learning Designing RNA sequences that reliably fold into specific secondary structures is essential for understanding their biological functions but remains a challenging computational problem. RNA, or ribonucleic acid, stores genetic info... machine learning Oct 19 Steering beyond Language: Improving Multilingual Training-Free Text Embeddings via Paired-Residual Subspace Removal Deriving text embeddings directly from frozen large language models has emerged as a promising direction, yet existing methods focus almost exclusively on English, leaving multilingual settings largely unexplored. This work presen... machine learning Oct 19 FuTransformer: FP8 prefill and INT4 decode for Llama-style inference on Hopper Sparse autoencoders (SAEs) explain foundation model representations by decomposing activations into sparse combinations of learned dictionary atoms. However, the learned dictionaries can vary across training runs, limiting the rel... machine learning Oct 16 SoftCache: Adaptive Step Size Caching for Diffusion Transformers Diffusion and flow models generate a sample over iterative steps, each a full pass through a large network, and that pass dominates generation cost. Training-free caching accelerates them by reusing activations from recent evaluat... machine learning Oct 16 PathFM: Fast Generative Forecasting of Multivariate Trajectories Time series foundation models (TSFMs) are a hot topic for general-purpose forecasting, but most leading models predict marginal quantiles, leaving the dependence structure of future trajectories unspecified. This distinction matte... machine learning Oct 16 Rethinking Routing Exploration in Modern Mixture-of-Experts Mixture-of-experts (MoE) models have become a cornerstone approach for scaling neural networks beyond the limits of conventional dense architectures. By routing each input token to a subset of specialized computation paths, MoE sy... machine learning Oct 16 Lean Graph Search for Formal Theorem Proving Formal theorem proving sits at the intersection of logic, mathematics, and machine learning. In systems like Lean 4, provers must construct machine-checkable proofs by drawing on large formalized libraries of mathematical results....