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Self-consistent transport simulation of ITER scenarios is a very important tool for the exploration of the operational space and for scenario optimisation. It also provides an assessment of the compatibility of developed scenarios (which…

There exist several results on deciding termination and computing runtime bounds for triangular weakly non-linear loops (twn-loops). We show how to use results on such subclasses of programs where complexity bounds are computable within…

计算机科学中的逻辑 · 计算机科学 2023-07-20 Nils Lommen , Eleanore Meyer , Jürgen Giesl

We present the program BOKASUN for fast and precise evaluation of the Master Integrals of the two-loop self-mass sunrise diagram for arbitrary values of the internal masses and the external four-momentum. We use a combination of two…

高能物理 - 唯象学 · 物理学 2009-11-13 Michele Caffo , Henryk Czyz , Michal Gunia , Ettore Remiddi

A circular program creates a data structure whose computation depends upon itself or refers to itself. The technique is used to implement the classic data structures circular and doubly-linked lists, threaded trees and queues, in a…

编程语言 · 计算机科学 2024-03-05 Lloyd Allison

Integrals involving highly oscillatory Bessel functions are notoriously challenging to compute using conventional integration techniques. While several methods are available, they predominantly cater to integrals with at most a single…

数值分析 · 数学 2026-03-27 Robert Reischke

We present a method to numerically evaluate infrared-finite one- and two-loop integrals within the Four-Dimensional Regularization/Renormalization approach, in which a small mass serves as regulator. Typical integrals exhibit a logarithmic…

高能物理 - 唯象学 · 物理学 2016-02-08 Tom Zirke

The Topological Signal Processing (TSP) framework has been recently developed to analyze signals defined over simplicial complexes, i.e. topological spaces represented by finite sets of elements that are closed under inclusion of subsets…

信号处理 · 电气工程与系统科学 2021-12-14 Stefania Sardellitti , Sergio Barbarossa , Lucia Testa

We present a systematic algorithm for the perturbative computation of soft functions that are defined in terms of two light-like Wilson lines. Our method is based on a universal parametrisation of the phase-space integrals, which we use to…

高能物理 - 唯象学 · 物理学 2019-09-04 Guido Bell , Rudi Rahn , Jim Talbert

This paper presents TIRA, a Matlab library gathering several methods for the computation of interval over-approximations of the reachable sets for both continuous- and discrete-time nonlinear systems. Unlike other existing tools, the main…

系统与控制 · 计算机科学 2019-02-15 Pierre-Jean Meyer , Alex Devonport , Murat Arcak

We present analytic techniques for parametric integrations of massive two-loop four-point Feynman integrals at high energies, and their implementation in the toolbox AsyInt. In the high-energy region, the Feynman integrals involving…

高能物理 - 唯象学 · 物理学 2024-09-17 Hantian Zhang

Non-intrusive load monitoring (NILM) is the task of disaggregating the total power consumption into its individual sub-components. Over the years, signal processing and machine learning algorithms have been combined to achieve this. A lot…

As the new-generation precision experiments such as MOLLER and P2 look for physics beyond Standard Model, it is becoming increasingly important to evaluate the higher-order electroweak radiative corrections to a sub-percent level of…

高能物理 - 理论 · 物理学 2019-12-11 A. Aleksejevs , S. Barkanova

Two-stage stochastic programs become computationally challenging when the number of scenarios representing parameter uncertainties grows. Motivated by this, we propose the TULIP-algorithm ("Two-step warm start method Used for solving…

最优化与控制 · 数学 2024-12-16 Berend Markhorst , Markus Leitner , Joost Berkhout , Alessandro Zocca , Rob van der Mei

The high-energy behaviour of scattering amplitudes involving massive particles has attracted interest in recent years. In these proceedings, we report on the analytic tool AsyInt for solving massive multi-loop Feynman integrals in the…

高能物理 - 唯象学 · 物理学 2025-10-14 Hantian Zhang

There exist several results on deciding termination and computing runtime bounds for triangular weakly non-linear loops (twn-loops). We show how to use results on such subclasses of programs where complexity bounds are computable within…

计算机科学中的逻辑 · 计算机科学 2024-11-19 Nils Lommen , Fabian Meyer , Jürgen Giesl

This paper provides details of the massless three-loop three-point integrals calculation at the symmetric point. Our work aimed to extend known two-loop results for such integrals to the three-loop level. Obtained results can find their…

高能物理 - 唯象学 · 物理学 2021-06-17 Andrey Pikelner

Solvent plays an essential role in a variety of chemical, physical, and biological processes that occur in the solution phase. The reference interaction site model (RISM) and its three-dimensional extension (3D-RISM) serve as powerful…

化学物理 · 物理学 2024-03-05 Yutaka Maruyama , Nori Yoshida

We present an improved version of our program package oneloop which -- written as a package for MAPLE -- solves one-loop Feynman integrals. The package is calculating one-, two- and three-point functions both algebraically and numerically…

高能物理 - 唯象学 · 物理学 2009-10-30 L. Brücher , J. Franzkowski , D. Kreimer

The higher-order corrections become increasingly important with experiments reaching sub-percent level of uncertainty as they look for physics beyond the Standard Model. Our goal is to address the full set of two-loop electroweak…

高能物理 - 理论 · 物理学 2018-11-12 A. Aleksejevs

An algorithm for calculating two-loop propagator type Feynman diagrams with arbitrary masses and external momentum is proposed. Recurrence relations allowing to express any scalar integral in terms of basic integrals are given. A minimal…

高能物理 - 唯象学 · 物理学 2009-10-30 O. V. Tarasov