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17,191 papers

#machine learning Preprint Open access Nov 2026

Diffusion-Driven State Space Models

In many domains, practitioners seek models that produce accurate forecasts while faithfully capturing latent system dynamics. Existing approaches typically sacrifice one of these goals: deep state space models often assume Gaussian latent transitions, limiting fit and forecasting, while diffusion models are highly expr...

Jack Ruder, Michael Wojnowicz · 0 citations
#machine learning Preprint Open access Nov 2026

Recursively Trained Diffusion Models: Limiting Collapse Distribution and Spectral Characterization

Recursive training of generative models on their own outputs can lead to model collapse, a compounding drift away from the true data distribution. Existing theoretical works bound finite-round error accumulation in the context of diffusion models, but two questions remain open:~what distribution does the recursion conv...

Na\"il B. Khelifa, Richard E. Turner, Ramji Venkataramanan · 0 citations
#machine learning Preprint Open access Nov 2026

Querying Counterfactuals on Tissue Graphs with Supervised Disentanglement

Tissue graph counterfactuals ask what a cell would express if its spatial neighborhood were altered, a question central to predicting cell behavior in tissues. Existing methods, however, present only specific instances of such queries. In this work, we first formalize tissue graph counterfactuals as a class of spatial...

Abdul Moeed, Stefan Schrod, Martin Rohbeck et al. · 0 citations
#machine learning Preprint Open access Nov 2026

How Far Can Chord-Symbol Time-Series Adaptation Carry Genre Identity? Capabilities and Boundaries in Multi-Genre Chord-Symbol Modeling

This report treats chord-symbol sequences as an interpretable, controllable time series for genre-local harmonic modeling. The frozen Music Transformer base is weight-identical to a pop-dominated Phase-0 baseline. I adapt it to eleven target genres: blues, bossa nova, Bach chorales, country, electronic, folk, funk, gos...

Jinju Lee · 0 citations
#machine learning Preprint Open access Nov 2026

Near-Optimal Decentralized Stochastic Convex Optimization over Networks

We study decentralized stochastic smooth convex optimization, where $M$ workers minimize an average objective using local stochastic gradients and neighbor-only communication over a fixed gossip network. A central question in this setting is to determine the largest number of workers that can be used under a total budg...

Nitai Kluger, Amit Attia, Tomer Koren · 0 citations
#machine learning Preprint Open access Nov 2026

Characterizing universal object representations across vision models

Deep neural networks trained with different architectures, objectives, and datasets have been reported to converge on similar visual representations. However, what remains unknown is which visual properties models actually converge on and which factors may underlie this convergence. To address this, we decompose the ob...

Florian P. Mahner, Johannes Roth, Ka Chun Lam et al. · 0 citations
#machine learning Preprint Open access Nov 2026

Tight Generalization Bounds for Noiseless Inverse Optimization

Inverse optimization (IO) seeks to infer the parameters of a decision-maker's objective from observed context--action data. We study noiseless IO, where demonstrations are generated by a ground-truth objective. We provide a high-probability ${O}(\frac{d}{T})$ generalization bound for the induced action set, where $d$ i...

Pouria Fatemi, Hoomaan Maskan, Suvrit Sra et al. · 0 citations
#machine learning Preprint Open access Nov 2026

Empirical Study of Pop and Jazz Mix Ratios for Genre-Adaptive Chord Generation

This paper treats chord progression generation as a standalone task and asks how much old-domain data must be retained in fine-tuning to acquire a new genre without forgetting the old. I study jazz fine-tuning of a pop-pretrained 25M-parameter Music Transformer (84.21% top-1 next-token accuracy on a held-out pop test s...

Jinju Lee · 0 citations
#machine learning Preprint Open access Nov 2026

One Method Does Not Fit All: A Large-Scale Benchmark of Imputation Methods for Single-Cell RNA Sequencing Data

Single-cell RNA sequencing (scRNA-seq) enables gene expression profiling at cellular resolution but is inherently affected by sparsity caused by dropout events, where expressed genes are recorded as zeros due to technical limitations. These dropout events distort gene expression distributions and compromise downstream...

Yuichiro Iwashita, Ahtisham Fazeel Abbasi, Koichi Kise et al. · 0 citations
#machine learning Preprint Open access Nov 2026

FastWave: Optimized Diffusion Model for Audio Super-Resolution

Audio Super-Resolution is a set of techniques aimed at high-quality estimation of the given signal as if it would be sampled with higher sample rate. Among suggested methods there are diffusion and flow models (which are considered slower), generative adversarial networks (which are considered faster), however both app...

Nikita Kuznetsov, Maksim Kaledin · 0 citations
#machine learning Preprint Open access Nov 2026

Online Conformal Prediction via Universal Portfolio Algorithms

Online conformal prediction (OCP) seeks prediction intervals that achieve long-run $1-\alpha$ coverage for arbitrary (possibly adversarial) data streams, while remaining as informative as possible. Existing OCP methods often require manual learning-rate tuning to work well, and may also require algorithm-specific analy...

Tuo Liu, Edgar Dobriban, Francesco Orabona · 0 citations
#machine learning Preprint Open access Nov 2026

Reconsidering Positional Supervision in Masked Diffusion Language Model Training

Masked diffusion language models (MDLMs) generate text by unmasking tokens in parallel and have recently emerged as alternatives to autoregressive language models. They can be viewed as parallel decoders trained with a position-wise cross-entropy (CE) loss, the same setup as non-autoregressive translation (NAT). In NAT...

Mengyu Ye, Keito Kudo, Ryosuke Takahashi et al. · 0 citations

From tech blogs

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Microsoft Research Blog Nov 3, 2026

Learn the rules: The hacker mindset

Research Manager Mike Walker reflects on a career spanning hacker culture, cybersecurity, and AI, sharing lessons about trust, teamwork, leadership, and why solving difficult problems requires curiosity, judgment, agility—and an understanding of the rules. The post Learn the rules: The hacker mindset appeared first on Microsoft Research.

Google DeepMind Blog Nov 3, 2026

Agentic cheminformatics with Google Antigravity

Learn how Google Antigravity and our Cheminformatics Skills accelerate drug discovery workflows, search compounds, and propose novel rigidified macrocycles.

MIT News · Artificial Intelligence Oct 28, 2026

Making machines that can listen

Professor Paris Smaragdis develops computers with superhuman hearing for applications like speech recognition, music understanding, and environmental monitoring.

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