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Supersaturated designs investigate more factors than there are runs, and are often constructed under a criterion measuring a design's proximity to an unattainable orthogonal design. The most popular analysis identifies active factors by…

Representing the 3D environment with instance-aware semantic and geometric information is crucial for interaction-aware robots in dynamic environments. Nevertheless, creating such a representation poses challenges due to sensor noise,…

机器人学 · 计算机科学 2025-01-06 Gang Chen , Zhaoying Wang , Wei Dong , Javier Alonso-Mora

Second-order superintegrable systems in dimensions two and three are essentially classified. With increasing dimension, however, the non-linear partial differential equations employed in current methods become unmanageable. Here we propose…

微分几何 · 数学 2025-05-09 Jonathan Kress , Konrad Schöbel , Andreas Vollmer

The purpose of this work is two-fold. First, we introduce an efficient homogenization-based approach to perform topology optimization of coated structures with orthotropic infill material. By making use of the relaxed design space, we can…

计算工程、金融与科学 · 计算机科学 2018-08-15 Jeroen Groen , Jun Wu , Ole Sigmund

The analysis of state-of-the-art cosmological surveys like the Dark Energy Spectroscopic Instrument (DESI) survey requires high-resolution, large-volume simulations. However, the computational cost of hydrodynamical simulations at these…

宇宙学与河外天体物理 · 物理学 2025-03-19 M. Icaza-Lizaola , E. L. Sirks , Yong-Seon Song , Peder Norberg , Feng Shi

By using graded (super) Lie algebras, we can construct noncommutative superspace on curved homogeneous manifolds. In this paper, we take a flat limit to obtain flat noncommutative superspace. We particularly consider $d=2$ and $d=4$…

高能物理 - 理论 · 物理学 2015-06-26 Machiko Hatsuda , Satoshi Iso , Hiroshi Umetsu

The design of low-profile linear microstrip arrays with wide-band spatial filtering capabilities is dealt with. An innovative architecture, leveraging the angular selectivity of offset stacked patch (OSP) radiators, is proposed to implement…

信号处理 · 电气工程与系统科学 2024-06-26 Arianna Benoni , Marco Salucci , Andrea Massa

The research of developing a general methodology for the construction of good nonregular designs has been very active in the last decade. Recent research by Xu and Wong [Statist. Sinica 17 (2007) 1191--1213] suggested a new class of…

统计理论 · 数学 2009-08-25 Frederick K. H. Phoa , Hongquan Xu

This paper proposes a novel approach to Hamiltonian simulation using Decision Diagrams (DDs), which are an exact representation based on exploiting redundancies in representations of quantum states and operations. While the simulation of…

量子物理 · 物理学 2024-03-04 Aaron Sander , Lukas Burgholzer , Robert Wille

We introduce statistical techniques required to handle complex computer models with potential applications to astronomy. Computer experiments play a critical role in almost all fields of scientific research and engineering. These computer…

天体物理仪器与方法 · 物理学 2021-09-01 Joshua Lukemire , Qian Xiao , Abhyuday Mandal , Weng Kee Wong

Space filling curves are widely used in Computer Science. In particular Hilbert curves and their generalisations to higher dimension are used as an indexing method because of their nice locality properties. This article generalises this…

数据结构与算法 · 计算机科学 2019-04-17 Patrick Erik Bradley , Markus Wilhelm Jahn

The evaluation of robustness and reliability of realistic structures in the presence of uncertainty involves costly numerical simulations with a very high number of evaluations. This motivates model order reduction techniques like the…

数值分析 · 数学 2024-12-20 Steffen Kastian , Dieter Moser , Stefanie Reese , Lars Grasedyck

We study the d-dimensional hypercube knapsack problem where we are given a set of d-dimensional hypercubes with associated profits, and a knapsack which is a unit d-dimensional hypercube. The goal is to find an axis-aligned non-overlapping…

数据结构与算法 · 计算机科学 2022-04-27 Klaus Jansen , Arindam Khan , Marvin Lira , K. V. N. Sreenivas

There is increasing demand for automated systems that can fabricate 3D structures. Robotic spatial extrusion has become an attractive alternative to traditional layer-based 3D printing due to a manipulator's flexibility to print large,…

机器人学 · 计算机科学 2020-02-07 Caelan Reed Garrett , Yijiang Huang , Tomás Lozano-Pérez , Caitlin Tobin Mueller

This paper proposes novel computational multiscale methods for linear second-order elliptic partial differential equations in nondivergence-form with heterogeneous coefficients satisfying a Cordes condition. The construction follows the…

数值分析 · 数学 2024-07-03 Philip Freese , Dietmar Gallistl , Daniel Peterseim , Timo Sprekeler

Complex orthogonal designs (CODs) are used to construct space-time block codes. COD $\mathcal{O}_z$ with parameter $[p, n, k]$ is a $p \times n$ matrix, where nonzero entries are filled by $\pm z_i$ or $\pm z^*_i$, $i = 1, 2,..., k$, such…

信息论 · 计算机科学 2012-04-03 Yuan Li , Haibin Kan

Harmonic superspaces for spacetimes of dimension $d\leq 3$ are constructed. Some applications are given.

高能物理 - 理论 · 物理学 2010-04-06 P. S. Howe , M. I. Leeming

Solving large-scale optimization on-the-fly is often a difficult task for real-time computer graphics applications. To tackle this challenge, model reduction is a well-adopted technique. Despite its usefulness, model reduction often…

图形学 · 计算机科学 2015-06-30 Jianbo Ye , Zhixin Yan

Context: Modelling satellite galaxy abundance $N_s$ in Galaxy Clusters (GCs) is a key element in modelling the Halo Occupation Distribution (HOD), which itself is a powerful tool to connect observational studies with numerical simulations.…

宇宙学与河外天体物理 · 物理学 2023-07-05 Antonio Ragagnin , Alessandra Fumagalli , Tiago Castro , Klaus Dolag , Alexandro Saro , Matteo Costanzi , Sebastian Bocquet

Some analysis on the Lorentzian distance in a spacetime with controlled sectional (or Ricci) curvatures is done. In particular, we focus on the study of the restriction of such distance to a spacelike hypersurface satisfying the Omori-Yau…

微分几何 · 数学 2009-02-16 Luis J. Alias , Ana Hurtado , Vicente Palmer