Proceedings of Machine Learning Research

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Volume 328: Third Conference on Parsimony and Learning, 23-26 March 2026, Tübingen, Germany

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Editors: Rebekka Burkholz, Shiwei Liu, Saiprasad Ravishankar, William Redman, Wei Huang, Weijie Su, Zhihui Zhu

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Semantic Homogeneity As Demonstration: Batch-Structured Semi-Supervised In-Context Learning for Natural Language Understanding

Cheng Chen, Yuangang Pan, Ivor Tsang

Conference on Parsimony and Learning, PMLR 328:1-23

Improving Medical Visual Reinforcement Fine-Tuning via Perception and Reasoning Augmentation

Guangjing Yang, ZhangYuan Yu, Ziyuan Qin, Xinyuan Song, Huahui Yi, Qingbo Kang, Jun Gao, Yiyue Li, Chenlin Du, Qicheng Lao

Conference on Parsimony and Learning, PMLR 328:24-41

ROSE: Reordered SparseGPT for More Accurate One-Shot Large Language Models Pruning

Mingluo Su, Huan Wang

Conference on Parsimony and Learning, PMLR 328:42-60

AlphaFormer: End-to-End Symbolic Regression of Alpha Factors with Transformers

Haotong Huang, Jie Peng, Zezhen Ding, Pingzhi Li, Tianlong Chen

Conference on Parsimony and Learning, PMLR 328:61-82

From sparse recovery to plug-and-play priors, understanding trade-offs for stable recovery with generalized projected gradient descent

Ali Joundi, Yann Traonmilin, Jean-François Aujol

Conference on Parsimony and Learning, PMLR 328:83-103

Panza: Investigating the Feasibility of Fully-Local Personalized Text Generation

Armand Mihai Nicolicioiu, Eugenia Iofinova, Andrej Jovanovic, Eldar Kurtic, Mahdi Nikdan, Andrei Panferov, Ilia Markov, Nir N Shavit, Dan Alistarh

Conference on Parsimony and Learning, PMLR 328:104-130

Enhancing Low-Cost Video Editing with Lightweight Adaptors and Temporal-Aware Inversion

Yangfan He, Sida Li, Jianhui Wang, Xinyuan Song, Kun Li, Xinhang Yuan, Kuan Lu, Menghao Huo, Jingqun Tang, Yi Xin, Jiaqi Chen, Keqin Li, Miao Zhang, Xueqian Wang

Conference on Parsimony and Learning, PMLR 328:131-163

SPIKE: Sparse Koopman Regularization for Physics-Informed Neural Networks

Jose Marie Antonio Miñoza

Conference on Parsimony and Learning, PMLR 328:164-191

Cannistraci-Hebb Training with N:M Semi-Structured Sparsity for Pre-Training and Re-Training

Jiaqing Lyu, Ruijie Wang, Kangyou Bao, Yingtao Zhang, Carlo Vittorio Cannistraci

Conference on Parsimony and Learning, PMLR 328:192-217

Lattice-Based Vector Quantization for Low-Bit Quantization-Aware Training

Rishika Kohli, Soma S Dhavala, Shaifu Gupta, Manoj Singh Gaur

Conference on Parsimony and Learning, PMLR 328:218-241

ShapLoRA: Allocation of Low-rank Adaption on Large Language Models via Shapley Value Inspired Importance Estimation

Colin Zhao, Qinghua Yao, Xinyuan Song, Wei Zhu

Conference on Parsimony and Learning, PMLR 328:242-264

LLMQ: Efficient Lower-Precision LLM Training for Consumer GPUs

Erik Schultheis, Dan Alistarh

Conference on Parsimony and Learning, PMLR 328:265-284

Parameter-Efficient Distributional RL via Normalizing Flows and a Geometry-Aware Cramér Surrogate

Simo Alami Chehboune, Rim Kaddah, Marie-Paule CANI, Jesse Read

Conference on Parsimony and Learning, PMLR 328:285-313

Analyzing and Mitigating Model Collapse in Reflow Methods

Huminhao Zhu, Fangyikang Wang, Tianyu Ding, Qing Qu, Zhihui Zhu

Conference on Parsimony and Learning, PMLR 328:314-340

Stochastic Unrolled Neural Networks

Samar Hadou, Navid NaderiAlizadeh, Alejandro Ribeiro

Conference on Parsimony and Learning, PMLR 328:341-359

Prompt Stability Matters: Evaluating and Optimizing Auto-Generated Prompt in General-Purpose Systems

Ke Chen, Xucheng Yu, Yufei Zhou, Haohan Wang

Conference on Parsimony and Learning, PMLR 328:360-374

Symbiotic Cooperation for Web Agents: Harnessing Complementary Strengths of Large and Small LLMs

Ruichen Zhang, Mufan Qiu, Zhen Tan, Mohan Zhang, Xiaopeng Lu, Jie Peng, Kaidi Xu, Leandro Z. Agudelo, Peter Zhenghao Qian, Tianlong Chen

Conference on Parsimony and Learning, PMLR 328:375-427

Matrix Sensing with Kernel Optimal Loss: Robustness and Optimization Landscape

Xinyuan Song, Ziye Ma

Conference on Parsimony and Learning, PMLR 328:428-500

Pruned Adaptation Modules: A Simple yet Strong Baseline for Continual Foundation Models

Elif Ceren Gok Yildirim, Murat Onur Yildirim, Joaquin Vanschoren

Conference on Parsimony and Learning, PMLR 328:501-515

Token-Aware Representation Augmentation for Fine-Grained Semi-Supervised Learning

Hongyang He, Yan Zhong, Xinyuan Song, Daizong Liu, Victor Sanchez

Conference on Parsimony and Learning, PMLR 328:516-528

MMA:Benchmarking Multi-ModalLarge Language Models in Ambiguity Contexts

Ru Wang, Selena Song, Yuquan Wang, Liang Ding, Mingming Gong, Yusuke Iwasawa, Yutaka Matsuo, Jiaxian Guo

Conference on Parsimony and Learning, PMLR 328:529-551

Optimal k-Discretization Learning

Tong Wang, Zhangyang Wang

Conference on Parsimony and Learning, PMLR 328:552-564

Deep Neural Regression Collapse

Akshay Rangamani, Altay Unal

Conference on Parsimony and Learning, PMLR 328:565-591

HINT: Harnessing IN-context Training to enhance continual generalization

Francesco D'Amore, Emanuele Maiorana

Conference on Parsimony and Learning, PMLR 328:592-604

A Continuous Measure of Simplicity for Supervised Learning

Arne Nordmann, Xiaoyu Shen

Conference on Parsimony and Learning, PMLR 328:605-645

In-context Pre-training of Graph Neural Networks for Recommendation

Yunpeng Li, Yan Wang

Conference on Parsimony and Learning, PMLR 328:646-659

Revisiting Subnetwork Similarity in Random Pre-trained Transformers

Yi Zhong, Li Jing

Conference on Parsimony and Learning, PMLR 328:660-673

Rethinking Parameter-Efficient Fine-Tuning: An Implicit Regularization Perspective

Xinyuan Song, Ziye Ma

Conference on Parsimony and Learning, PMLR 328:674-722

Efficient Continual Pre-training by Subnetwork Selection

Xinyuan Song, Zhenyu Liu, Yang Li

Conference on Parsimony and Learning, PMLR 328:723-744

Generalization Properties of Matrix Factorization via Explicit Rank Penalty

Zhihui Zhu

Conference on Parsimony and Learning, PMLR 328:745-763

Sparse Model Identification: Algorithms and Applications

Wei Huang, Saiprasad Ravishankar

Conference on Parsimony and Learning, PMLR 328:764-793

Towards Better Understanding of Parsimonious Models

William Redman, Weijie Su

Conference on Parsimony and Learning, PMLR 328:794-817