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Related papers: Collective-Optimized FFTs

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In the present work, we carry out the study of scattering solitons for the anti-kink/kink and kink/anti-kink configurations. Furthermore, we can observe the same effects as those described by D. Bazeia et al.. We apply the collective…

High Energy Physics - Theory · Physics 2024-05-09 C. F. S. Pereira , Etevaldo dos Santos Costa Filho , T. Tassis

Density functional theory (DFT) can run into serious difficulties with localized states in elements such as transition metals with occupied-d states and oxygen. In contrast, Hartree-Fock (HF) method can be a better approach for such…

Materials Science · Physics 2018-08-01 Hengxin Tan , Yuanchang Li , S. B. Zhang , Wenhui Duan

In this work, we investigate models for bulk, bi- and multilayers containing half-metallic ferromagnets (HMFs), at zero and at finite temperature, in order to elucidate the effects of strong electronic correlations on the spectral…

Strongly Correlated Electrons · Physics 2020-11-25 A. Weh , J. Otsuki , H. Schnait , H. G. Evertz , U. Eckern , A. I. Lichtenstein , L. Chioncel

This paper studies the effects on Zernike coefficients of aperture scaling, translation and rotation, when a given aberrated wavefront is described on the Zernike polynomial basis. It proposes a new analytical method for computing the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Eric Tatulli

We present a new public code, FPPDF, to perform global fits of parton distribution functions (PDFs). The fitting methodology follows that implemented by the MSHT collaboration, namely applying a fixed polynomial parameterisation of the PDFs…

High Energy Physics - Phenomenology · Physics 2026-02-10 J. M. Cruz-Martinez , T. Giani , L. A. Harland-Lang

A degenerate perturbation $k\cdot p$ approach for effective mass calculations is implemented in the all-electron density functional theory (DFT) package WIEN2k. The accuracy is tested on major group IVA, IIIA-VA, and IIB-VIA semiconductor…

Materials Science · Physics 2022-01-06 Oleg Rubel , Fabien Tran , Xavier Rocquefelte , Peter Blaha

We study Federated Causal Inference, an approach to estimate treatment effects from decentralized data across centers. We compare three classes of Average Treatment Effect (ATE) estimators derived from the Plug-in G-Formula, ranging from…

Machine Learning · Statistics 2025-03-26 Rémi Khellaf , Aurélien Bellet , Julie Josse

In this article we give a unified treatment of the construction of all possible Weitzenb\"ock formulas for all irreducible, non--symmetric holonomy groups. The resulting classification is two--fold, we construct explicitly a basis of the…

Differential Geometry · Mathematics 2019-02-20 Uwe Semmelmann , Gregor Weingart

The integration of Federated Learning (FL) and Multi-Task Learning (MTL) has been explored to address client heterogeneity, with Federated Multi-Task Learning (FMTL) treating each client as a distinct task. However, most existing research…

Machine Learning · Computer Science 2025-10-06 Chao Feng , Nicolas Fazli Kohler , Zhi Wang , Weijie Niu , Alberto Huertas Celdran , Gerome Bovet , Burkhard Stiller

Federated Learning (FL) has become an established technique to facilitate privacy-preserving collaborative training across a multitude of clients. However, new approaches to FL often discuss their contributions involving small deep-learning…

Machine Learning · Computer Science 2026-05-05 Herbert Woisetschläger , Alexander Isenko , Shiqiang Wang , Ruben Mayer , Hans-Arno Jacobsen

The purpose of this paper is to introduce and study a q-analogue of the holonomic system of differential equations associated to the Belavin's classical r-matrix (elliptic r-matrix equations), or, equivalently, to define an elliptic…

High Energy Physics - Theory · Physics 2008-02-03 Pavel Etingof

Fast Fourier transform (FFT) based methods have turned out to be an effective computational approach for numerical homogenisation. In particular, Fourier-Galerkin methods are computational methods for partial differential equations that are…

Numerical Analysis · Mathematics 2020-04-22 Jaroslav Vondřejc , Dishi Liu , Martin Ladecký , Hermann G. Matthies

Machine learning methods for estimating heterogeneous treatment effects (HTE) facilitate large-scale personalized decision-making across various domains such as healthcare, policy making, education, and more. Current machine learning…

Machine Learning · Computer Science 2024-06-25 Disha Makhija , Joydeep Ghosh , Yejin Kim

This research work introduces the DFT through FP-LAPW+lo technique in WIEN2k software to obtain information about structural, thermoelectric, and optoelectronic characteristics of CaZnC and CaZnSi materials. The structural optimization was…

Materials Science · Physics 2025-12-29 P. K. Kamlesh , U. K. Gupta , S. Verma , M. Rani , Y. Toual , A. S. Verma

The full potential all electron linearized augmented plane wave plus local orbitals (FP-LAPW + lo) method, as implemented in the suite of software WIEN2K, has been used to systematically investigate the structural, electronic, and magnetic…

Strongly Correlated Electrons · Physics 2015-05-14 Raymond Atta-Fynn , Asok K. Ray

Frontier AI models have achieved remarkable progress, yet recent studies suggest they struggle with compositional reasoning, often performing at or below random chance on established benchmarks. We revisit this problem and show that widely…

Artificial Intelligence · Computer Science 2026-04-27 Yinglun Zhu , Jiancheng Zhang , Fuzhi Tang

Tabular Foundation Models (TFMs) have recently shown strong in-context learning capabilities on structured data, achieving zero-shot performance comparable to traditional machine learning methods. We find that zero-shot TFMs already achieve…

Machine Learning · Computer Science 2026-01-15 Aditya Tanna , Pratinav Seth , Mohamed Bouadi , Vinay Kumar Sankarapu

The influence of the use of the generalized Hermite polynomial on the Hermite-based lattice Boltzmann (LB) construction approach, lattice sets, the thermal weights, moments and the equilibrium distribution function (EDF) are addressed. A…

Computational Engineering, Finance, and Science · Computer Science 2013-04-22 Raúl Machado

Based on the success of large-scale visual foundation models like CLIP in various downstream tasks, this paper initially attempts to explore their impact on Long-Tailed Semi-Supervised Learning (LTSSL) by employing the foundation model with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Enhao Zhang , Chaohua Li , Chuanxing Geng , Songcan Chen

We generalize some earlier results on a Berezin-Toeplitz type of quantization on Hilbert spaces built over certain matrix domains. In the present, wider setting, the theory could be applied to systems possessing several kinematic and…

Mathematical Physics · Physics 2007-05-23 S. Twareque Ali , Miroslav Engliš