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This paper is about models for a vector of probabilities whose elements must have a multiplicative structure and sum to 1 at the same time; in certain applications, as basket analysis, these models may be seen as a constrained version of…

Statistics Theory · Mathematics 2018-04-17 Antonio Forcina

The evolution of ARM-based architectures, particularly those incorporating Scalable Vector Extension (SVE), has introduced transformative opportunities for high-performance computing (HPC) and machine learning (ML) workloads. The Unified…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-08 Chandan Sharma , Rakshith GB , Ajay Kumar Patel , Dhanus M Lal , Darshan Patel , Ragesh Hajela , Masahiro Doteguchi , Priyanka Sharma

The open source ALPS (Algorithms and Libraries for Physics Simulations) project provides a collection of physics libraries and applications, with a focus on simulations of lattice models and strongly correlated electron systems. The…

The aim of the future linear colliders is to extend the sensitivity to new physics beyond the reach of the LHC. Several models predict the existence of new vector resonances in the multi-TeV region. We review the existing limits on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefania De Curtis

Tuning machine learning models, particularly deep learning architectures, is a complex process. Automated hyperparameter tuning algorithms often depend on specific optimization metrics. However, in many situations, a developer trades one…

Computation and Language · Computer Science 2018-10-29 Xin Rong , Joshua Luckson , Eytan Adar

Active learning parallelization is widely used, but typically relies on fixing the batch size throughout experimentation. This fixed approach is inefficient because of a dynamic trade-off between cost and speed -- larger batches are more…

Machine Learning · Computer Science 2024-10-15 Masaki Adachi , Satoshi Hayakawa , Martin Jørgensen , Xingchen Wan , Vu Nguyen , Harald Oberhauser , Michael A. Osborne

RooFit is a toolkit for statistical modelling and fitting, and together with RooStats it is used for measurements and statistical tests by most experiments in particle physics. Since one year, RooFit is being modernised. In this talk,…

Data Analysis, Statistics and Probability · Physics 2022-09-21 Stephan Hageboeck

We report on the development of tools to calculate loop integrals and amplitudes beyond one loop. In particular, we review new features of the program SecDec which can be used for the numerical evaluation of parametric integrals like…

High Energy Physics - Phenomenology · Physics 2016-12-21 S. Borowka , G. Heinrich , S. Jahn , S. P. Jones , M. Kerner , J. Schlenk , T. Zirke

Pre-trained Vision-Language Models (VLMs), \textit{e.g.} CLIP, have become essential tools in multimodal transfer learning. However, fine-tuning VLMs in few-shot scenarios poses significant challenges in balancing task-specific adaptation…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Xiang Lin , Weixin Li , Shu Guo , Lihong Wang , Di Huang

New system for i-vector speaker recognition based on variational autoencoder (VAE) is investigated. VAE is a promising approach for developing accurate deep nonlinear generative models of complex data. Experiments show that VAE provides…

Sound · Computer Science 2017-05-26 Timur Pekhovsky , Maxim Korenevsky

In this paper, we present the design and experimental validation of a labyrinthine metamaterial for vibro-acoustic applications. Based on a 2D unit cell, different designs of finite-size metamaterial specimens in a sandwich configuration…

We present a new on-shell method for the matching of ultraviolet models featuring massive states onto their massless effective field theory. We employ a dispersion relation in the space of complex momentum dilations to capture, in a single…

High Energy Physics - Phenomenology · Physics 2025-04-02 Stefano De Angelis , Gauthier Durieux

The recent growth in multi-fidelity uncertainty quantification has given rise to a large set of variance reduction techniques that leverage information from model ensembles to provide variance reduction for estimates of the statistics of a…

Methodology · Statistics 2021-01-11 Trung Pham , Alex A. Gorodetsky

Multiwavelength observations are now the norm for studying blazars' various states of activity, classifying them, and determining possible underlying physical processes driving their emission. Broadband emission models became unavoidable…

High Energy Astrophysical Phenomena · Physics 2023-10-24 Olivier Hervet , Caitlin A. Johnson , Adrian Youngquist

We present the VASPKIT, a command-line program that aims at providing a powerful and user-friendly interface to perform high-throughput analysis of a variety of material properties from the raw data produced by the VASP code. It consists of…

Materials Science · Physics 2021-06-03 Vei Wang , Nan Xu , Jin Cheng Liu , Gang Tang , Wen-Tong Geng

Finetuning a pretrained vision model (PVM) is a common technique for learning downstream vision tasks. However, the conventional finetuning process with randomly sampled data points results in diminished training efficiency. To address this…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Rongyu Zhang , Zefan Cai , Huanrui Yang , Zidong Liu , Denis Gudovskiy , Tomoyuki Okuno , Yohei Nakata , Kurt Keutzer , Baobao Chang , Yuan Du , Li Du , Shanghang Zhang

In this paper, we present a simple and iterative algorithm that computes Anti-de Sitter space scattering amplitudes. We focus on the vector correlators in AdS in four dimensions in momentum space. These new combinatorial relations will…

High Energy Physics - Theory · Physics 2020-01-24 Soner Albayrak , Chandramouli Chowdhury , Savan Kharel

We present a general theory of exact penalty functions with vectorial (multidimensional) penalty parameter for optimization problems in infinite dimensional spaces. In comparison with the scalar case, the use of vectorial penalty parameters…

Optimization and Control · Mathematics 2022-10-07 M. V. Dolgopolik

LifeV is a library for the finite element (FE) solution of partial differential equations in one, two, and three dimensions. It is written in C++ and designed to run on diverse parallel architectures, including cloud and high performance…

Numerical Analysis · Mathematics 2017-10-19 Luca Bertagna , Simone Deparis , Luca Formaggia , Davide Forti , Alessandro Veneziani

Despite image reconstruction becoming more widespread when interpreting OIFITS Data, model fitting in u,v space often remains the best way to interpret data, either because of the sparsity of the data, or because a quantitative measurement…

Instrumentation and Methods for Astrophysics · Physics 2022-07-25 Antoine Mérand