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This paper presents an efficient and comprehensive MATLAB code to solve two-dimensional structural topology optimization problems, including minimum mean compliance, compliant mechanism synthesis and multi-load compliance problems. The…

计算工程、金融与科学 · 计算机科学 2021-07-19 Daniel Yago , Juan Cante , Oriol Lloberas-Valls , Javier Oliver

This paper presents a new exact method to calculate worst-case parameter realizations in two-stage robust optimization problems with categorical or binary-valued uncertain data. Traditional exact algorithms for these problems, notably…

最优化与控制 · 数学 2022-01-19 Anirudh Subramanyam

We investigate the solvability of the event kinematics in missing energy events at hadron colliders, as a function of the particle mass ansatz. To be specific, we reconstruct the neutrino momenta in dilepton $t\bar{t}$-like events, without…

高能物理 - 唯象学 · 物理学 2020-04-10 Doojin Kim , Konstantin T. Matchev , Prasanth Shyamsundar

The simulation of geometrically resolved rigid particles in a fluid relies on coupling algorithms to transfer momentum both ways between the particles and the fluid. In this article, the fluid flow is modeled with a parallel Lattice…

流体动力学 · 物理学 2021-03-22 Lukas Werner , Christoph Rettinger , Ulrich Rüde

In robust optimization, the uncertainty set is used to model all possible outcomes of uncertain parameters. In the classic setting, one assumes that this set is provided by the decision maker based on the data available to her. Only…

最优化与控制 · 数学 2019-01-23 Trivikram Dokka , Marc Goerigk , Rahul Roy

We generalize the combinatorial algebraic approach first proposed by Dhurandhar et al. to construct various classes of modified second-generation time-delay interferometry (TDI) solutions. The main idea behind the algorithm is to enumerate,…

天体物理仪器与方法 · 物理学 2023-02-15 Zhang-Qi Wu , Pan-Pan Wang , Wei-Liang Qian , Cheng-Gang Shao

In this paper, we discuss variational inequality (VI) problems without monotonicity from the perspective of convergence of projection-type algorithms. In particular, we identify existing conditions as well as present new conditions that are…

最优化与控制 · 数学 2023-04-11 Kevin Huang , Shuzhong Zhang

This paper presents a method to identify an uncertain linear time-invariant (LTI) prediction model for tube-based Robust Model Predictive Control (RMPC). The uncertain model is determined from a given state-input dataset by formulating and…

系统与控制 · 电气工程与系统科学 2023-10-10 Sampath Kumar Mulagaleti , Alberto Bemporad , Mario Zanon

We construct a new kinematical variable that is able to fully reconstruct the absolute value, and partially reconstruct the sign, of the angular distribution in the center of momentum system of a decaying particle in certain cases where the…

高能物理 - 唯象学 · 物理学 2014-08-20 Neil D. Christensen , Daniel Salmon

We propose methods to solve time-varying, sensor and actuator (SaA) selection problems for uncertain cyber-physical systems. We show that many SaA selection problems for optimizing a variety of control and estimation metrics can be posed as…

最优化与控制 · 数学 2018-07-26 Ahmad F. Taha , Nikolaos Gatsis , Tyler Summers , Sebastian Nugroho

We introduce a new collider variable, MCT2, named as constransverse mass. It is a mixture of `stransverse mass(MT2)' and `contransverse mass(MCT)' variables, where the usual endpoint structure of MT2 distribution can be amplified in the…

高能物理 - 唯象学 · 物理学 2015-03-13 Won Sang Cho , Jihn E. Kim , Ji-Hun Kim

The hard-scatter processes in hadronic collisions are often largely contaminated with soft background coming from pileup in proton-proton collisions, or underlying event in heavy-ion collisions. This paper presents a new background…

高能物理 - 唯象学 · 物理学 2024-11-28 Peter Berta , Lucia Masetti , David W. Miller , Martin Spousta

We introduce a new dynamical system, at the interface between second-order dynamics with inertia and Newton's method. This system extends the class of inertial Newton-like dynamics by featuring a time-dependent parameter in front of the…

最优化与控制 · 数学 2024-02-13 Camille Castera , Hedy Attouch , Jalal Fadili , Peter Ochs

We introduce in this document a direct method allowing to solve numerically inverse type problems for linear hyperbolic equations. We first consider the reconstruction of the full solution of the wave equation posed in $\Omega\times (0,T)$…

最优化与控制 · 数学 2015-06-11 Nicolae Cindea , Arnaud Munch

Complex soft matter systems can be efficiently studied with the help of adaptive resolution simulation methods, concurrently employing two levels of resolution in different regions of the simulation domain. The non-matching properties of…

Optimization-based methods are widely used for computing fast, diverse solutions for complex tasks such as collision-free movement or planning in the presence of contacts. However, most of these methods require enforcing non-penetration…

机器人学 · 计算机科学 2025-10-01 Akshay Jaitly , Devesh K. Jha , Kei Ota , Yuki Shirai

Dynamic factor models are often estimated by point-estimation methods, disregarding parameter uncertainty. We propose a method accounting for parameter uncertainty by means of posterior approximation, using variational inference. Our…

统计方法学 · 统计学 2022-10-14 Erik Spånberg

We are in an era of precision measurements at the Large Hadron Collider. The precision that can be achieved on some of those is limited however due to large systematic uncertainties. This paper introduces a new technique to reduce the total…

数据分析、统计与概率 · 物理学 2019-07-03 Petra Van Mulders

In this paper, we examine the strategies and prospects for distinguishing between traditional dark-matter models and models with non-minimal dark sectors --- including models of Dynamical Dark Matter (DDM) --- at hadron colliders. For…

高能物理 - 唯象学 · 物理学 2015-03-11 Keith R. Dienes , Shufang Su , Brooks Thomas

The leading-order hadronic contribution to the muon anomalous magentic moment, $a_\mu^{\rm LO,HVP}$, can be expressed as an integral over Euclidean $Q^2$ of the vacuum polarization function. We point out that a simple trapezoid-rule…

高能物理 - 格点 · 物理学 2014-10-31 Maarten Golterman , Kim Maltman , Santiago Peris