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相关论文: Transferable Learning of Reaction Pathways from Ge…

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Partial differential equations (PDEs) are often computationally challenging to solve, and in many settings many related PDEs must be be solved either at every timestep or for a variety of candidate boundary conditions, parameters, or…

机器学习 · 计算机科学 2022-11-04 Tian Qin , Alex Beatson , Deniz Oktay , Nick McGreivy , Ryan P. Adams

Theoretical studies on chemical reaction mechanisms have been crucial in organic chemistry. Traditionally, calculating the manually constructed molecular conformations of transition states for chemical reactions using quantum chemical…

化学物理 · 物理学 2024-04-12 Sihao Yuan , Xu Han , Jun Zhang , Zhaoxin Xie , Cheng Fan , Yunlong Xiao , Yi Qin Gao , Yi Isaac Yang

Graph neural networks (GNNs) have shown considerable promise in computational chemistry. However, the limited availability of molecular data raises concerns regarding GNNs' ability to effectively capture the fundamental principles of…

机器学习 · 计算机科学 2025-03-12 Junyi An , Chao Qu , Yun-Fei Shi , XinHao Liu , Qianwei Tang , Fenglei Cao , Yuan Qi

For the investigation of chemical reaction networks, the identification of all relevant intermediates and elementary reactions is mandatory. Many algorithmic approaches exist that perform explorations efficiently and automatedly. These…

化学物理 · 物理学 2019-05-24 Gregor N. Simm , Alain C. Vaucher , Markus Reiher

This paper is devoted to the development of a theoretical and computational framework to efficiently sample the statistically significant thermally activated reaction pathways, in multi-dimensional systems obeying Langevin dynamics. We show…

统计力学 · 物理学 2009-11-13 E. Autieri , P. Faccioli , M. Sega , F. Pederiva , H. Orland

Due to the time scale problem, rare events are not accessible by straight forward molecular dynamics. The presence of multiple reaction channels complicates the problem even further. The feasibility of the standard free energy based methods…

统计力学 · 物理学 2009-11-13 Titus S. van Erp

Machine learning potentials (MLPs) have advanced rapidly and show great promise to transform molecular dynamics (MD) simulations. However, most existing software tools are tied to specific MLP architectures, lack integration with standard…

计算物理 · 物理学 2025-06-05 Paul Fuchs , Weilong Chen , Stephan Thaler , Julija Zavadlav

Conical intersections serve as critical gateways in photochemical reactions, enabling rapid nonradiative transitions between potential energy surfaces that underpin fundamental processes such as photosynthesis or vision. Their calculation…

化学物理 · 物理学 2025-02-19 Rhyan Barrett , Christoph Ortner , Julia Westermayr

Interpretable reaction coordinates are essential for understanding rare conformational transitions in molecular dynamics. The Atomistic Mechanism Of Rare Events in Molecular Dynamics (AMORE-MD) framework enhances interpretability of…

化学物理 · 物理学 2026-02-27 Jakob J. Kresse , Alexander Sikorski , Marcus Weber

Referring Expression Comprehension (REC), which aims to ground a local visual region via natural language, is a task that heavily relies on multimodal alignment. Most existing methods utilize powerful pre-trained models to transfer…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Ting Liu , Zunnan Xu , Yue Hu , Liangtao Shi , Zhiqiang Wang , Quanjun Yin

When examining dynamics occurring at non-zero temperatures, both energy and entropy must be taken into account while describing activated barrier crossing events. Furthermore, good reaction coordinates need to be constructed to describe…

化学物理 · 物理学 2022-03-16 E. R. Beyerle , Shams Mehdi , Pratyush Tiwary

Recently a non-empirical stochastic walker algorithm has been developed to search for the minimum-energy escape paths (MEP) from the minima of the potential surface [J. Phys. Soc. Jpn. 87, 063801 (2018); Physica A, 528, 121481 (2019)]. This…

计算物理 · 物理学 2020-06-18 Yuri S. Nagornov , Ryosuke Akashi

Physics-informed neural networks (PINNs) have recently become a powerful tool for solving partial differential equations (PDEs). However, finding a set of neural network parameters that lead to fulfilling a PDE can be challenging and…

机器学习 · 计算机科学 2023-04-12 Aleksandr Dekhovich , Marcel H. F. Sluiter , David M. J. Tax , Miguel A. Bessa

Economic model predictive control (EMPC) is a promising methodology for optimal operation of dynamical processes that has been shown to improve process economics considerably. However, EMPC performance relies heavily on the accuracy of the…

系统与控制 · 电气工程与系统科学 2021-05-10 Khalid Alhazmi , Fahad Albalawi , S. Mani Sarathy

Machine learning-based models to predict product state distributions from a distribution of reactant conditions for atom-diatom collisions are presented and quantitatively tested. The models are based on function-, kernel- and grid-based…

Machine learning of atomic-scale properties is revolutionizing molecular modelling, making it possible to evaluate inter-atomic potentials with first-principles accuracy, at a fraction of the costs. The accuracy, speed and reliability of…

This work describes a geometric framework on molecular reaction dynamics based on the variational principle, where the Schr{\"o}dinger equation must be solved to ``see'' how a reaction occurs. First, the mathematical preliminaries are given…

化学物理 · 物理学 2026-03-17 Xingyu Zhang , Jinke Yu , Qingyong Meng

Molecular property prediction is essential for drug discovery. In recent years, deep learning methods have been introduced to this area and achieved state-of-the-art performances. However, most of existing methods ignore the intrinsic…

生物大分子 · 定量生物学 2022-11-04 Yuancheng Sun , Yimeng Chen , Weizhi Ma , Wenhao Huang , Kang Liu , Zhiming Ma , Wei-Ying Ma , Yanyan Lan

Machine learning methods have found novel application areas in various disciplines as they offer low-computational cost solutions to complex problems. Recently, metasurface design has joined among these applications, and neural networks…

应用物理 · 物理学 2020-10-07 Ibrahim Tanriover , Wisnu Hadibrata , Koray Aydin

We propose a hybrid physics-informed framework for solving families of parametric linear partial differential equations (PDEs) by combining a meta-learned predictor with a least-squares corrector. The predictor, termed \textbf{KAPI}…

机器学习 · 计算机科学 2026-04-13 Vikas Dwivedi , Monica Sigovan , Bruno Sixou
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