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Fast-Fourier Transform (FFT) methods have been widely used in solid mechanics to address complex homogenization problems. However, current FFT-based methods face challenges that limit their applicability to intricate material models or…

Materials Science · Physics 2024-10-15 Mohit Pundir , David S. Kammer

Although many programs have been published for fully numerical Hartree--Fock (HF) or density functional (DF) calculations on atoms, we are not aware of any that support hybrid DFs, which are popular within the quantum chemistry community…

Chemical Physics · Physics 2019-08-19 Susi Lehtola

This paper considers improving wireless communication and computation efficiency in federated learning (FL) via model quantization. In the proposed bitwidth FL scheme, edge devices train and transmit quantized versions of their local FL…

Machine Learning · Computer Science 2023-07-12 Sihua Wang , Mingzhe Chen , Christopher G. Brinton , Changchuan Yin , Walid Saad , Shuguang Cui

The Kohn-Luttinger envelope-function method is generalized to the case of heterostructures with atomically sharp heterojunctions based on lattice-matched layers of related semiconductors with zinc-blende symmetry. For electron states near…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 E. E. Takhtamirov , V. A. Volkov

Model merging has emerged as a promising approach for multi-task learning (MTL), offering a data-efficient alternative to conventional fine-tuning. However, with the rapid development of the open-source AI ecosystem and the increasing…

Machine Learning · Computer Science 2025-10-01 Hao Mark Chen , Shell Xu Hu , Wayne Luk , Timothy Hospedales , Hongxiang Fan

Federated Learning (FL) enables distributed ML model training on private user data at the global scale. Despite the potential of FL demonstrated in many domains, an in-depth view of its impact on model accuracy remains unclear. In this…

Machine Learning · Computer Science 2025-03-28 Haotian Yang , Zhuoran Wang , Benson Chou , Sophie Xu , Hao Wang , Jingxian Wang , Qizhen Zhang

The rise of foundation models (FMs) has reshaped the landscape of machine learning. As these models continued to grow, leveraging geo-distributed data from wireless devices has become increasingly critical, giving rise to federated…

With the increasing availability of datasets, developing data fusion methods to leverage the strengths of different datasets to draw causal effects is of great practical importance to many scientific fields. In this paper, we consider…

Methodology · Statistics 2023-07-18 Yijiao Zhang , Zhongyi Zhu

Federated learning (FL) is an important paradigm for training global models from decentralized data in a privacy-preserving way. Existing FL methods usually assume the global model can be trained on any participating client. However, in…

Machine Learning · Computer Science 2022-07-19 Ruixuan Liu , Fangzhao Wu , Chuhan Wu , Yanlin Wang , Lingjuan Lyu , Hong Chen , Xing Xie

Parameter-efficient fine-tuning (PEFT) adapts large pre-trained models by updating only a small subset of parameters. Recently, Representation Fine-Tuning (ReFT) has emerged as an effective alternative. ReFT shifts the fine-tuning paradigm…

Machine Learning · Computer Science 2025-12-24 Fatema Siddika , Md Anwar Hossen , J. Pablo Muñoz , Tanya Roosta , Anuj Sharma , Ali Jannesari

This paper introduces Generalized Fourier transform (GFT) that is an extension or the generalization of the Fourier transform (FT). The Unilateral Laplace transform (LT) is observed to be the special case of GFT. GFT, as proposed in this…

Signal Processing · Electrical Eng. & Systems 2022-04-06 Pushpendra Singh , Anubha Gupta , Shiv Dutt Joshi

We summarize the performance of recently-proposed methods for achieving fault tolerant fusions-based quantum computation with high tolerance to qubit loss, specifically aimed at photonic implementations.

Federated causal inference enables multi-site treatment effect estimation without sharing individual-level data, offering a privacy-preserving solution for real-world evidence generation. However, data heterogeneity across sites, manifested…

Machine Learning · Computer Science 2025-05-06 Haoyang Li , Jie Xu , Kyra Gan , Fei Wang , Chengxi Zang

We extend the two leading methods for the \emph{ab initio} computational descrip tion of phonon-mediated superconductors, namely Eliashberg theory and density fu nctional theory for superconductors (SCDFT), to include plasmonic effects.…

Superconductivity · Physics 2021-01-04 A. Davydov , A. Sanna , C. Pellegrini , J. K. Dewhurst , S. Sharma , E. K. U. Gross

Motion estimation approaches typically employ sensor fusion techniques, such as the Kalman Filter, to handle individual sensor failures. More recently, deep learning-based fusion approaches have been proposed, increasing the performance and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

The periodic $Z_n$-Belavin model on a lattice with an arbitrary number of sites $N$ is studied via the off-diagonal Bethe Ansatz method (ODBA). The eigenvalues of the corresponding transfer matrix are given in terms of an unified…

Mathematical Physics · Physics 2017-05-26 Kun Hao , Junpeng Cao , Guang-Liang Li , Wen-Li Yang , Kangjie Shi , Yupeng Wang

We demonstrate that perturbative algebraic QFT methods, as developed by Fredenhagen and Rejzner, naturally yields a factorization algebras of observables for a large class of Lorentzian theories. Along the way we carefully articulate…

Mathematical Physics · Physics 2023-11-14 Owen Gwilliam , Kasia Rejzner

Electronic coupling matrix elements are important to the theoretical description of electron transfer processes. However, they are notoriously difficult to obtain accurately from time- dependent density functional theory (TDDFT). Here, we…

Chemical Physics · Physics 2018-12-07 Debashree Manna , Jochen Blumberger , Jan M. L. Martin , Leeor Kronik

Federated learning allows collaborative workers to solve a machine learning problem while preserving data privacy. Recent studies have tackled various challenges in federated learning, but the joint optimization of communication overhead,…

Machine Learning · Computer Science 2022-12-13 Kai Yue , Richeng Jin , Chau-Wai Wong , Huaiyu Dai

Effective Field Theories (EFTs) provide a framework for capturing the effects of yet unseen heavy degrees of freedom in a model-independent manner. However, constructing a complete and minimal set of operators, especially at higher mass…

High Energy Physics - Phenomenology · Physics 2024-02-15 Magnus C. Schaaf
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