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The characteristics of fragment emission in peripheral $^{197}$Au+$^{197}$Au collisions 35 MeV/A are studied using the two clusterization approaches within framework of \emph{quantum molecular dynamics} model. Our model calculations using…

核理论 · 物理学 2011-12-02 Yogesh K. Vermani , Rajeev K. Puri

We here study fragmentation using \emph{simulated annealing clusterization algorithm} (SACA) with binding energy at a microscopic level. In an earlier version, a constant binding energy (4 MeV/nucleon) was used. We improve this binding…

Clusterization in phase space has been analyzed for peripheral Au+Au reactions at 1000 AMeV using simulated annealing clusterization algorithm (SACA). We investigate how these fragments are correlated in phase space and compare our model…

核理论 · 物理学 2011-08-09 Yogesh K. Vermani

A study of multifragmentation of gold nuclei is reported at incident energies of 400, 600 and 1000 MeV/nucleon using microscopic theory. The present calculations are done within the framework of quantum molecular dynamics (QMD) model. The…

核理论 · 物理学 2010-12-17 Yogesh K. Vermani , Rajeev K. Puri

We present a new algorithm to identify fragments in computer simulations of relativistic heavy ion collisions. It is based on the simulated annealing technique and can be applied to n-body transport models like the Quantum Molecular…

核理论 · 物理学 2016-02-17 A. Le Fèvre , Y. Leifels , J. Aichelin , Ch. Hartnack , V. Kireyev , E. Bratkovskaya

Clustering algorithms are fundamental tools across many fields, with density-based methods offering particular advantages in identifying arbitrarily shaped clusters and handling noise. However, their effectiveness is often limited by the…

机器学习 · 计算机科学 2025-12-01 Meysam Shirdel Bilehsavar , Razieh Ghaedi , Samira Seyed Taheri , Xinqi Fan , Christian O'Reilly

We present a new approach to identify fragments in computer simulations of relativistic heavy ion collisions. It is based on the simulated annealing technique and can be applied to n-body transport models like the Quantum Molecular…

核理论 · 物理学 2019-09-11 A. Le Fèvre , J. Aichelin , C. Hartnack , Y. Leifels

We develop an optimization algorithm, using simulated annealing for the quantification of patterns in astronomical data based on techniques developed for robotic vision applications. The methodology falls in the category of cost…

天体物理仪器与方法 · 物理学 2020-09-09 Maria Chira , Manolis Plionis

In several application domains, high-dimensional observations are collected and then analysed in search for naturally occurring data clusters which might provide further insights about the nature of the problem. In this paper we describe a…

机器学习 · 统计学 2012-03-07 Brian McWilliams , Giovanni Montana

Approximate Bayes Computations (ABC) are used for parameter inference when the likelihood function of the model is expensive to evaluate but relatively cheap to sample from. In particle ABC, an ensemble of particles in the product space of…

统计计算 · 统计学 2016-04-15 Carlo Albert , Hans R. Kuensch , Andreas Scheidegger

The exploration of network structures through the lens of graph theory has become a cornerstone in understanding complex systems across diverse fields. Identifying densely connected subgraphs within larger networks is crucial for uncovering…

统计计算 · 统计学 2024-05-21 Wanru Guo

This article critically investigates the limitations of the simulated annealing algorithm using probabilistic bits (pSA) in solving large-scale combinatorial optimization problems. The study begins with an in-depth analysis of the pSA…

新兴技术 · 计算机科学 2026-01-23 Naoya Onizawa , Takahiro Hanyu

In this paper, we evaluate stochastic-computing simulated annealing (SC-SA) for solving large-scale combinatorial optimization problems. SC-SA is designed using stochastic computing, where the computatoin is reazlied using random bitstream,…

最优化与控制 · 数学 2026-03-24 Kota Katsuki , Duckgyu Shin , Naoya Onizawa , Takahiro Hanyu

Learner Performance-based Behavior using Simulated Annealing (LPBSA) is an improvement of the Learner Performance-based Behavior (LPB) algorithm. LPBSA, like LPB, has been proven to deal with single and complex problems. Simulated Annealing…

神经与进化计算 · 计算机科学 2025-01-30 Dana Rasul Hamad , Tarik A. Rashid

This study combines simulated annealing with delta evaluation to solve the joint stratification and sample allocation problem. In this problem, atomic strata are partitioned into mutually exclusive and collectively exhaustive strata. Each…

人工智能 · 计算机科学 2021-11-23 Mervyn O'Luing , Steven Prestwich , S. Armagan Tarim

Subspace clustering (SC) is a popular method for dimensionality reduction of high-dimensional data, where it generalizes Principal Component Analysis (PCA). Recently, several methods have been proposed to enhance the robustness of PCA and…

数据结构与算法 · 计算机科学 2015-06-09 Sanghyuk Chun , Yung-Kyun Noh , Jinwoo Shin

Simulated annealing (SA) method has had significant recent success in designing distributed control algorithms for wireless networks. These SA based techniques formed the basis of new CSMA algorithms and gave rise to the development of…

最优化与控制 · 数学 2018-09-11 Jaewook Kwak , Ness B. Shroff

We proposed a probabilistic algorithm to solve the Multiple Sequence Alignment problem. The algorithm is a Simulated Annealing (SA) that exploits the representation of the Multiple Alignment between $D$ sequences as a directed polymer in…

基因组学 · 定量生物学 2016-08-16 M. Hernández-Guía , R. Mulet , S. Rodríguez-Pérez

We present an algorithm for quantum-assisted cluster analysis (QACA) that makes use of the topological properties of a D-Wave 2000Q quantum processing unit (QPU). Clustering is a form of unsupervised machine learning, where instances are…

量子物理 · 物理学 2018-03-09 Florian Neukart , David Von Dollen , Christian Seidel

As one of the most robust global optimization methods, simulated annealing has received considerable attention, with many variations that attempt to improve the cooling schedule. This paper introduces a variant of simulated annealing that…

化学物理 · 物理学 2020-02-17 Mariia Karabin , Steven J. Stuart
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