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This paper presents a lightweight, open-source and high-performance python package for solving peridynamics problems in solid mechanics. The development of this solver is motivated by the need for fast analysis tools to achieve the large…

软件工程 · 计算机科学 2021-09-15 B. Boys , T. J. Dodwell , M. Hobbs , M. Girolami

In a recent publication we showed that permutation symmetry reduces the numerical complexity of Lindblad quantum master equations for identical multi-level systems from exponential to polynomial scaling. This is important for open system…

量子物理 · 物理学 2017-11-27 Michael Gegg , Marten Richter

We present PyXtal, a new package based on the Python programming language, used to generate structures with specific symmetry and chemical compositions for both atomic and molecular systems. This soft ware provides support for various…

材料科学 · 物理学 2021-10-05 Scott Fredericks , Kevin Parrish , Dean Sayre , Qiang Zhu

Parameter estimation for ordinary differential equations (ODEs) plays a fundamental role in the analysis of dynamical systems. Generally lacking closed-form solutions, ODEs are traditionally approximated using deterministic solvers.…

统计计算 · 统计学 2025-06-30 Mohan Wu , Martin Lysy

Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

天体物理仪器与方法 · 物理学 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

A recursion operator is an integro-differential operator which maps a generalized symmetry of a nonlinear PDE to a new symmetry. Therefore, the existence of a recursion operator guarantees that the PDE has infinitely many higher-order…

可精确求解与可积系统 · 物理学 2013-01-08 D. E. Baldwin , W. Hereman

We introduce QiboAgent, a reference implementation designed to serve as a practitioner's guideline for developing specialized coding assistants in Quantum Computing middleware. Addressing the limitations in scientific software development…

量子物理 · 物理学 2026-03-17 Lorenzo Esposito , Andrea Papaluca , Stefano Carrazza

We present a generic partition refinement algorithm that quotients coalgebraic systems by behavioural equivalence, an important task in system analysis and verification. Coalgebraic generality allows us to cover not only classical…

数据结构与算法 · 计算机科学 2023-06-22 Thorsten Wißmann , Ulrich Dorsch , Stefan Milius , Lutz Schröder

Cyanure is an open-source C++ software package with a Python interface. The goal of Cyanure is to provide state-of-the-art solvers for learning linear models, based on stochastic variance-reduced stochastic optimization with acceleration…

机器学习 · 统计学 2019-12-23 Julien Mairal

LeoPARD supports the implementation of knowledge representation and reasoning tools for higher-order logic(s). It combines a sophisticated data structure layer (polymorphically typed {\lambda}-calculus with nameless spine notation, explicit…

计算机科学中的逻辑 · 计算机科学 2015-05-08 Max Wisniewski , Alexander Steen , Christoph Benzmüller

The type III Hermite $X_m$ exceptional orthogonal polynomial family is generalized to a double-indexed one $X_{m_1,m_2}$ (with $m_1$ even and $m_2$ odd such that $m_2 > m_1$) and the corresponding rational extensions of the harmonic…

数学物理 · 物理学 2015-06-12 I. Marquette , C. Quesne

Structural equation modelling (SEM) is a multivariate statistical technique for estimating complex relationships between observed and latent variables. Although numerous SEM packages exist, each of them has limitations. Some packages are…

应用统计 · 统计学 2021-06-02 Meshcheryakov Georgy , Igolkina Anna

The context of this work is the design of a software, called MEMSALab, dedicated to the automatic derivation of multiscale models of arrays of micro- and nanosystems. In this domain a model is a partial differential equation. Multiscale…

符号计算 · 计算机科学 2015-03-17 Walid Belkhir , Alain Giorgetti , Michel Lenczner

In this paper, we present an open-source pure-Python library called PyPop7 for black-box optimization (BBO). As population-based methods (e.g., evolutionary algorithms, swarm intelligence, and pattern search) become increasingly popular for…

神经与进化计算 · 计算机科学 2024-07-08 Qiqi Duan , Guochen Zhou , Chang Shao , Zhuowei Wang , Mingyang Feng , Yuwei Huang , Yajing Tan , Yijun Yang , Qi Zhao , Yuhui Shi

We consider the MiNNLO$_{\rm PS}$ method to consistently combine next-to-next-to-leading order (NNLO) QCD calculations with parton-shower simulations. We identify the main sources of differences between MiNNLO$_{\rm PS}$ and fixed-order…

高能物理 - 唯象学 · 物理学 2020-12-30 Pier Francesco Monni , Emanuele Re , Marius Wiesemann

DeepLog is an operational neurosymbolic framework that unifies logic and deep learning within standard PyTorch workflows. While existing neurosymbolic systems focus on a particular paradigm and semantics, DeepLog serves as a universal…

We propose an efficient algorithm to construct $\boldsymbol{k}\cdot \boldsymbol{p}$ effective Hamiltonians, which is much faster than the previously proposed algorithms. This algorithm is implemented in MagneticKP package. The package…

材料科学 · 物理学 2023-06-28 Zeying Zhang , Zhi-Ming Yu , Gui-Bin Liu , Zhenye Li , Shengyuan A. Yang , Yugui Yao

Complex optical design is hindered by conventional piecewise setup, which prevents modularization and therefore abstraction of subsystems at the circuit level. This limits multiple fields that require complex optics systems, including…

We present PySCo, a fast and user-friendly Python library designed to run cosmological $N$-body simulations across various cosmological models, such as $\Lambda$CDM and $w_0w_a$CDM, and alternative theories of gravity, including $f(R)$,…

宇宙学与河外天体物理 · 物理学 2026-01-08 Michel-Andrès Breton

`scores` is a Python package containing mathematical functions for the verification, evaluation and optimisation of forecasts, predictions or models. It supports labelled n-dimensional (multidimensional) data, which is used in many…