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#machine learning Preprint Sep 2026

Symmetry Discovery in Quantum Learning: Observable-Level and Task-Level Inference from Finite Measurements

Symmetry reduces the capacity of a quantum learning model, but the imposed group must match both the measured information and the label transformation. We establish a finite-measurement theory for inferring this group from candidate transformations. The central structural result identifies observable-invisible transfor...

Ze-Yu Chen · 0 citations
#machine learning Preprint Sep 2026

Evasion Attacks: How Adversarial Noise Bypasses ML Classifiers

This paper presents a reproducible, educational study of evasion attacks in image classification and text classification. A compact convolutional network trained on MNIST reached 98.63% clean test accuracy and was evaluated under two white-box attacks. Under FGSM, accuracy fell to 60.20% at $\epsilon$ = 0.15 and 1.72%...

Parker Hummel, Ryne Skabo, Muhammad Abusaqer · 0 citations
#machine learning Preprint Open access Oct 2026

Loading history and window geometry bound compact-state slip ranking during granular shear startup

Granular slip forecasting can conflate material state, loading progress, and the geometry of event-centered sampling. We separated these contributions in slowly sheared two-dimensional frictional disks using a compact neural score of stress, pressure, coordination, non-affine motion, and force-network observables. The...

Ruixin Zhou, Boliang Yu · 0 citations
#machine learning Preprint Open access Oct 2026

SyntheticHLS: Building Diverse Synthetic High-Level Synthesis Datasets using LLMs

Deep learning and large language models (LLMs) are rapidly gaining adoption in semiconductor design, driving demand for training datasets. Most efforts focus on hardware description languages (HDLs) while designs for high-level synthesis (HLS), a popular approach to domain-specific accelerators, remain scarce. HLS data...

Stefan Abi-Karam, Miaoyan Zhou, Callie Hao · 0 citations
#machine learning Preprint Sep 2026

Weighted Data Selection: Sharp Upper-Half and Five-Dimensional Laws

How much risk does a small reweighted training support retain? For finite weighted least squares with the minimum-norm learner, we prove the exact law $\Gamma_d(n)=3-n/d$ throughout $\lceil3d/2\rceil\leq n\leq2d-1$. The guarantee covers every observed feature rank and uses selections that preserve the full feature span...

Zhong-Xuan Liu, Hong-Zhi Wang · 0 citations
#machine learning Preprint Sep 2026

High-Value Synthetic Supervision for Parameter-Efficient Adaptation of a Compact Japanese Speech Model

Private domain speech is difficult to collect and redistribute, while compact models need task-specific supervision. We study an auditable synthetic pipeline that maps Japanese care handoffs directly to six-field structured notes. Using 182 synthetic training and development clips, we adapt a 1.47B audio model by full...

Si-Di Chang, Pei-Ke Zhu · 0 citations
#machine learning Preprint Sep 2026

Encoded but Disconnected: Decomposing Vision-Language Model Failures under a Patching Null

Across three vision-language model architectures (LLaVA-1.5-7B, Qwen2.5-VL-7B, InternVL3-8B), we report a universal negative finding for mid-layer interpretability. On POPE -- the benchmark common to all three -- the mid layers encode the ground-truth answer in 68-91% of errors, yet this signal is not causally active f...

Gen-Pei Zhang · 0 citations
#machine learning Preprint Open access Oct 2026

Emergent Object Binding Has a Finite Spatial Horizon

Pretrained Vision Transformers encode whether two image patches belong to the same object. This IsSameObject signal is decodable from frozen patch embeddings at high accuracy, which suggests that object binding emerges from self-supervised pretraining alone. We show that this single accuracy number hides the structure...

Mayank Singal · 0 citations
#machine learning Preprint Oct 2026

TACO: Ternary Absolute-max Column-wise One-sparse Optimizer for LLM Fine-Tuning

Full-parameter fine-tuning of large language models (LLMs) incurs substantial optimizer state memory overhead, limiting the model sizes that fit on modern GPUs. Existing approaches either compress optimizer state, abandon first-order gradients, or change the update geometry while retaining dense state. The recently int...

Ji-Chao Jiang, Cristian McGee, El Houcine Bergou et al. · 0 citations
#machine learning Preprint Oct 2026

Cost-augmented Schr\"odinger bridges on graphs are exactly solvable: a Feynman-Kac tilt replaces learned control

The generalized Schr\"odinger bridge on a graph moves mass between two distributions while charging a cost for the states visited. It has been approached by learning the rates of a controlled continuous-time Markov chain, with a temporal-difference penalty that restores the cost. A state cost folds into the reference p...

Akshay Balsubramani · 0 citations
#machine learning Preprint Oct 2026

The Missing Primitive: Diagnosing and Repairing Mathematical Reasoning in Large Language Models

While Large Language Models (LLMs) have demonstrated striking capabilities on frontier mathematical problems, it remains unclear whether they possess the structural mathematical understanding underlying their solutions. In this paper, we take a first step toward systematically studying mathematical understanding in LLM...

Shuo Xing, Zi-Lin Dai, Cheng-Yuan Qian et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Trust the Direction, Search the Step: Zero-and-First-Order Methods for LLM Fine-Tuning

Step-size selection remains a central challenge in large-scale neural network optimization; conservative steps slow convergence, while aggressive steps can destabilize it. We combine \textbf{Z}ero-and-\textbf{F}irst-\textbf{O}rder optimization~(ZFO) and propose a lightweight framework that decouples direction selection...

Cristian McGee, El Houcine Bergou, Aritra Dutta · 0 citations

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MIT News · Artificial Intelligence Oct 23, 2026

Q&A: How AI came to model the “messy” human mind

Assistant Professor Benjamin Lindquist studies how engineers deliberately injected randomness into early AI, giving rise to deep-learning models that sometimes hallucinate.

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