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Combinatorial optimization problems (COPs) are crucial in many applications but are computationally demanding. Traditional Ising annealers address COPs by directly converting them into Ising models (known as direct-E transformation) and…

新兴技术 · 计算机科学 2025-10-07 Yu Qian , Xianmin Huang , Ranran Wang , Zeyu Yang , Min Zhou , Thomas Kämpfe , Cheng Zhuo , Xunzhao Yin

We propose the Compact Coupling Interface Method (CCIM), a finite difference method capable of obtaining second-order accurate approximations of not only solution values but their gradients, for elliptic complex interface problems with…

数值分析 · 数学 2024-06-21 Ray Zirui Zhang , Li-Tien Cheng

The commercial and industrial demand for the solution of hard combinatorial optimization problems push forward the development of efficient solvers. One of them is the Ising machine which can solve combinatorial problems mapped to Ising…

An Ising machine is any hardware specifically designed for finding the ground state of the Ising model. Relevant examples are coherent Ising machines and quantum annealers. In this paper, we propose a new machine learning model that is…

机器学习 · 计算机科学 2024-03-26 Ludwig Schmid , Enrico Zardini , Davide Pastorello

The integrated sensing and communications (ISAC) can achieve the sharing of hardware and spectrum resources, enabling efficient data transmission and environmental sensing. This fusion is particularly important for unmanned aerial vehicle…

信号处理 · 电气工程与系统科学 2025-10-20 Yi Tao , Zhen Gao , Zhuoran Li , Ziwei Wan , Tuan Li , Chunli Zhu , Lei Chen , Guanghui Wen , Dezhi Zheng , Dusit Niyato

Integrated sensing and communication (ISAC) has been recognized as a key enabler and feature of future wireless networks. In the existing works analyzing the performances of ISAC, discrete-time systems were commonly assumed, which, however,…

信息论 · 计算机科学 2024-07-08 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng

This paper proposes an $\alpha$-fair multistatic integrated sensing and communication (ISAC) framework for multi-user multi-input multi-output (MIMO)-orthogonal frequency division multiplexing (OFDM) systems, where communication users act…

信息论 · 计算机科学 2026-04-01 Hyeonho Noh , Jonggyu Jang

Integrated Sensing and Communication (ISAC) emerges as a promising technology for B5G/6G, particularly in the millimeter-wave (mmWave) band. However, the widespread adoption of hybrid architecture in mmWave systems compromises multiplexing…

信号处理 · 电气工程与系统科学 2024-03-18 Boxun Liu , Shijian Gao , Zonghui Yang , Xiang Cheng

Quantum simulation has the potential to be an indispensable technique for the investigation of non-perturbative phenomena in strongly-interacting quantum field theories (QFTs). In the modern quantum era, with Noisy Intermediate Scale…

量子物理 · 物理学 2024-07-17 Christopher Lamb , Yicheng Tang , Robert Davis , Ananda Roy

As an emerging type of AI computing accelerator, SRAM Computing-In-Memory (CIM) accelerators feature high energy efficiency and throughput. However, various CIM designs and under-explored mapping strategies impede the full exploration of…

硬件体系结构 · 计算机科学 2026-01-27 Jinwu Chen , Yuhui Shi , He Wang , Zhe Jiang , Jun Yang , Xin Si , Zhenhua Zhu

Unmanned aerial vehicles (UAVs) are increasingly deployed in mission-critical applications such as target tracking, where they must simultaneously sense dynamic environments, ensure reliable communication, and achieve precise control. A key…

信号处理 · 电气工程与系统科学 2026-02-06 Zhiyu Chen , Ming-Min Zhao , Songfu Cai , Ming Lei , Min-Jian Zhao

A spatial photonic Ising machine (SPIM) handles large-scale combinatorial optimization problems owing to optical processing with spatial parallelism. However, iterative feedback in the search for optimal solutions limits processing speed…

光学 · 物理学 2025-02-27 Suguru Shimomura , Jun Tanida , Yusuke Ogura

The inverse Ising problem consists in inferring the coupling constants of an Ising model given the correlation matrix. The fastest methods for solving this problem are based on mean-field approximations, but which one performs better in the…

无序系统与神经网络 · 物理学 2012-08-28 Federico Ricci-Tersenghi

The last couple of years have seen an ever-increasing interest in using different Ising solvers, like Quantum annealers, Coherent Ising machines, and Oscillator-based Ising machines, for solving tough computational problems in various…

新兴技术 · 计算机科学 2024-04-09 Abhishek Kumar Singh , Kyle Jamieson

The development of physical simulators, called Ising machines, that sample from low energy states of the Ising Hamiltonian has the potential to drastically transform our ability to understand and control complex systems. However, most of…

Classical or quantum physical systems can simulate the Ising Hamiltonian for large-scale optimization and machine learning. However, devices such as quantum annealers and coherent Ising machines suffer an exponential drop in the probability…

光学 · 物理学 2024-01-09 Marcello Calvanese Strinati , Claudio Conti

Accurate and efficient wave-optics simulation of partially coherent light transport systems is critical for the design of advanced optical systems, ranging from computational lithography to diffraction-limited storage rings (DLSR). However,…

光学 · 物理学 2026-01-23 Han Xu , Ming Li , Shuo Wang , Zhe Ren , Peng Liu , Yi Zhang , Yuhui Dong , Liang Zhou

The article provides a tutorial review on how to treat Ising models within mean-field (MF), effective-field (EF) and exact methods. MF solutions of the spin-1 Blume-Capel (BC) model and the mixed-spin Ising model demonstrate a change of…

统计力学 · 物理学 2015-11-12 Jozef Strecka , Michal Jascur

Topological symmetries, invertible and otherwise, play a fundamental role in the investigation of quantum field theories. Despite their ubiquitous importance across a multitude of disciplines ranging from string theory to condensed matter…

量子物理 · 物理学 2025-10-17 Christopher Lamb , Robert M. Konik , Hubert Saleur , Ananda Roy

This paper presents a CMOS-compatible Lechner-Hauke-Zoller (LHZ)--based analog tile structure as a fundamental unit for developing scalable analog Ising machines (IMs). In the designed LHZ tile, the voltage-controlled oscillators are…

硬件体系结构 · 计算机科学 2024-11-27 Sasan Razmkhah , Jui-Yu Huang , Mehdi Kamal , Massoud Pedram