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Dynamic multi-objective optimization requires continuous tracking of moving Pareto fronts. Existing methods struggle with irregular mutations and data sparsity, primarily facing three challenges: the non-linear coupling of dynamic modes,…

机器学习 · 计算机科学 2026-04-02 Yaoming Yang , Shuai Wang , Bingdong Li , Peng Yang , Ke Tang

Auto-regressive neural sequence models have been shown to be effective across text generation tasks. However, their left-to-right decoding order prevents generation from being parallelized. Insertion Transformer (Stern et al., 2019) is an…

计算与语言 · 计算机科学 2023-02-01 Zhisong Zhang , Yizhe Zhang , Bill Dolan

The Monte Carlo-type Neural Operator (MCNO) introduces a framework for learning solution operators of one-dimensional partial differential equations (PDEs) by directly learning the kernel function and approximating the associated integral…

机器学习 · 计算机科学 2025-12-04 Salah Eddine Choutri , Prajwal Chauhan , Othmane Mazhar , Saif Eddin Jabari

Solving parametric partial differential equations (PDEs) and associated PDE-based, inverse problems is a central task in engineering and physics, yet existing neural operator methods struggle with high-dimensional, discontinuous inputs and…

机器学习 · 计算机科学 2025-07-03 Yaohua Zang , Phaedon-Stelios Koutsourelakis

This work introduces a paradigm for constructing parametric neural operators that are derived from finite-dimensional representations of Green's operators for linear partial differential equations (PDEs). We refer to such neural operators…

机器学习 · 计算机科学 2026-04-10 Hugo Melchers , Joost Prins , Michael Abdelmalik

Hybrid training methods for large language models combine supervised fine tuning (SFT) on expert demonstrations with reinforcement learning (RL) on model rollouts, typically at the sample level. We propose Entropy Gated Selective Policy…

机器学习 · 计算机科学 2026-02-04 Yuelin Hu , Zhengxue Cheng , Wei Liu , Li Song

Physics-informed neural operators offer a powerful framework for learning solution operators of partial differential equations (PDEs) by combining data and physics losses. However, these physics losses rely on derivatives. Computing these…

Recent advances in the theory of Neural Operators (NOs) have enabled fast and accurate computation of the solutions to complex systems described by partial differential equations (PDEs). Despite their great success, current NO-based…

机器学习 · 计算机科学 2024-03-18 Ashutosh Singh , Ricardo Augusto Borsoi , Deniz Erdogmus , Tales Imbiriba

Partial Differential Equations (PDEs) are fundamental for modeling physical systems, yet solving them in a generic and efficient manner using machine learning-based approaches remains challenging due to limited multi-input and multi-scale…

机器学习 · 计算机科学 2025-08-12 Yichen Luo , Jia Wang , Dapeng Lan , Yu Liu , Zhibo Pang

Optimizing conflicting molecular properties while strictly adhering to complex 3D structural constraints constitutes a challenging Constrained Multi-Objective Optimization Problem (CMOP). Traditional Evolutionary Algorithms (EAs) destroy…

神经与进化计算 · 计算机科学 2026-04-09 Ruiqing Sun , Dawei Feng , Sen Yang , Ronghang Wang , Huaiyuan Song , Bo Ding , Yijie Wang , Huaimin Wang

Neural operators have emerged as a powerful tool for learning the mapping between infinite-dimensional parameter and solution spaces of partial differential equations (PDEs). In this work, we focus on multiscale PDEs that have important…

机器学习 · 计算机科学 2024-06-11 Xinliang Liu , Bo Xu , Shuhao Cao , Lei Zhang

Autoregressive neural PDE surrogates predict future states by repeatedly applying a learned one-step operator. This is a simple and widely used method, but small one-step errors can accumulate during long rollouts. The resulting drift often…

机器学习 · 计算机科学 2026-05-18 Jiayi Li , Penghao Jiang , Hira Saleem , Zhaonan Wang , Piotr Koniusz , Flora D. Salim

Current numerical abstract interpretation relies on fixed, hand-crafted, instruction-specific transformers tailored to each domain, causing three key limitations: transformers cannot be reused across domains; precise compositional reasoning…

编程语言 · 计算机科学 2026-04-28 Shaurya Gomber , Debangshu Banerjee , Gagandeep Singh

Recent years have seen significant advancements in 3D generation. While methods like score distillation achieve impressive results, they often require extensive per-scene optimization, which limits their time efficiency. On the other hand,…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Chen Wang , Jiatao Gu , Xiaoxiao Long , Yuan Liu , Lingjie Liu

Reliable uncertainty quantification is critical in multivariate time series forecasting problems arising in domains such as energy systems and transportation networks, among many others. Although Transformer-based architectures have…

机器学习 · 计算机科学 2026-03-13 Rajdeep Pathak , Rahul Goswami , Madhurima Panja , Palash Ghosh , Tanujit Chakraborty

Although very successfully used in conventional machine learning, convolution based neural network architectures -- believed to be inconsistent in function space -- have been largely ignored in the context of learning solution operators of…

Neural Operators (NOs) provide a powerful framework for computations involving physical laws that can be modelled by (integro-) partial differential equations (PDEs), directly learning maps between infinite-dimensional function spaces that…

Extrapolation remains a grand challenge in deep neural networks across all application domains. We propose an operator learning method to solve time-dependent partial differential equations (PDEs) continuously and with extrapolation in time…

机器学习 · 计算机科学 2023-12-12 Oded Ovadia , Vivek Oommen , Adar Kahana , Ahmad Peyvan , Eli Turkel , George Em Karniadakis

Solving high-dimensional partial differential equations (PDEs) efficiently requires handling multi-scale features across varying resolutions. To address this challenge, we present the Multiwavelet-based Multigrid Neural Operator (M2NO), a…

机器学习 · 计算机科学 2025-12-15 Zhihao Li , Zhilu Lai , Xiaobo Zhang , Wei Wang

Memory capacity is a critical factor determining the performance of Vision-Language-Action (VLA) models in long-horizon manipulation tasks. Existing memory-augmented architectures primarily rely on linear or flat storage, lacking structural…

机器人学 · 计算机科学 2026-05-13 Yanbin Hu , Jin Cui , Jiayi Lu , Ruixuan Yang , Jun Ye , Boran Zhao , Xingyu Chen , Xuguang Lan , Pengju Ren