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The discovery and subsequent study of optical counterparts to transient sources is crucial for their complete astrophysical understanding. Various gamma ray burst (GRB) detectors, and more notably the ground--based gravitational wave…

天体物理仪器与方法 · 物理学 2022-09-29 Javed Rana , Akshat Singhal , Bhooshan Gadre , Varun Bhalerao , Sukanta Bose

Genetic algorithms have played an important role in engineering optimization. Traditional GAs treat each gene separately. However, biophysical studies of gene regulatory networks revealed direct associations between different genes. It…

神经与进化计算 · 计算机科学 2024-05-01 Zhaoning Shi , Meng Xiang , Zhaoyang Hai , Xiabi Liu , Yan Pei

Analyzing large datasets to select optimal features is one of the most important research areas in machine learning and data mining. This feature selection procedure involves dimensionality reduction which is crucial in enhancing the…

神经与进化计算 · 计算机科学 2024-09-24 Zhila Yaseen Taha , Abdulhady Abas Abdullah , Tarik A. Rashid

We propose the genetic algorithm for time window optimization, which is an embedded genetic algorithm (GA), to optimize the time window (TW) of the attributes using feature selection and support vector machine. This GA is evolved using the…

人工智能 · 计算机科学 2018-09-19 Norberto Ritzmann Junior , Julio Cesar Nievola

Challenges in natural sciences can often be phrased as optimization problems. Machine learning techniques have recently been applied to solve such problems. One example in chemistry is the design of tailor-made organic materials and…

神经与进化计算 · 计算机科学 2020-01-17 AkshatKumar Nigam , Pascal Friederich , Mario Krenn , Alán Aspuru-Guzik

The Genetic Algorithm is a heuristic that can be used to produce model independent solutions to an optimization problem, thus making it ideal for use in cosmology and more specifically in the analysis of type Ia supernovae data. In this…

宇宙学与河外天体物理 · 物理学 2011-03-18 Savvas Nesseris

A concept of the ground-based optical astronomical observations efficiency is considered in this paper. We believe that a telescope efficiency can be increased by properly allocating observation tasks with respect to the current environment…

天体物理仪器与方法 · 物理学 2018-06-26 Matwey V. Kornilov

The observation of celestial objects is a fundamental activity in astronomy. Ground-based and space telescopes are used to gather electromagnetic radiation from space, allowing astronomers to study a wide range of celestial objects and…

最优化与控制 · 数学 2026-03-20 Thomas Rahab Lacroix , Pierre Lemaire , Anne-Marie Lagrange , Julien Milli , Nadia Brauner

The protoplanetary discs of T Tauri and Herbig Ae/Be stars have been studied by using geometric disc models to fit their spectral energy distribution (SED). The simulations provide means to reproduce the signatures of different…

天体物理学 · 物理学 2009-11-13 A. Hetem , J. Gregorio-Hetem

In the astronomical observation field, determining the allocation of observation resources of the telescope array and planning follow-up observations for targets of opportunity (ToOs) are indispensable components of astronomical scientific…

人工智能 · 计算机科学 2025-02-18 Yajie Zhang , Ce Yu , Chao Sun , Jizeng Wei , Junhan Ju , Shanjiang Tang

We present a new approach to the problem of estimating the redshift of galaxies from photometric data. The approach uses a genetic algorithm combined with non-linear regression to model the 2SLAQ LRG data set with SDSS DR7 photometry. The…

天体物理仪器与方法 · 物理学 2015-04-14 Robert Hogan , Malcolm Fairbairn , Navin Seeburn

Telescope arrays are receiving increasing attention due to their promise of higher resource utilization, greater sky survey area, and higher frequency of full space-time monitoring than single telescopes. Compared with the ordinary…

天体物理仪器与方法 · 物理学 2023-02-07 Yajie Zhang , Ce Yu , Chao Sun , Zhaohui Shang , Yi Hu , Huiyu Zhi , Jinmao Yang , Shanjiang Tang

We present a method for scheduling observations in small field-of-view transient targeted surveys. The method is based on maximizing the probability of detection of transient events of a given type and age since occurrence; it requires…

天体物理仪器与方法 · 物理学 2010-09-10 Francisco Förster , Nicolás López , José Maza , Petr Kubánek , Giuliano Pignata

The Uncertain Agile Earth Observation Satellite Scheduling Problem (UAEOSSP) is a novel combinatorial optimization problem and a practical engineering challenge that aligns with the current demands of space technology development. It…

人工智能 · 计算机科学 2026-03-19 Junhua Xue , Yuning Chen , Mingyan Shao , Yangming Zhou , Qinghua Wu , Yingwu Chen

The main problems in modeling interacting galaxies are the extended parameter space and the fairly high CPU costs of self-consistent N-body simulations. Therefore, traditional modeling techniques suffer from either extreme CPU demands or…

天体物理学 · 物理学 2007-05-23 Ch. Theis , Ch. Gerds , Ch. Spinneker

The development of large-aperture submillimeter telescopes, such as the Large Submillimeter Telescope (LST) and the Atacama Large Aperture Submillimeter Telescope (AtLAST), is essential to overcome the limitations of current observational…

天体物理仪器与方法 · 物理学 2025-06-04 Chihiro Imamura , Yoichi Tamura , Hiroaki Kawamura , Toshiaki Kimura , Akio Taniguchi , Mikio Kurita

The study of electromagnetic detection satellite scheduling problem (EDSSP) has attracted attention due to the detection requirements for a large number of targets. This paper proposes a mixed-integer programming model for the EDSSP problem…

神经与进化计算 · 计算机科学 2023-01-06 Yanjie Song , Luona Wei , Qing Yang , Jian Wu , Lining Xing , Yingwu Chen

There is considerable interest in the use of genetic algorithms to solve problems arising in the areas of scheduling and timetabling. However, the classical genetic algorithm paradigm is not well equipped to handle the conflict between…

神经与进化计算 · 计算机科学 2010-07-05 Uwe Aickelin , Kathryn Dowsland

We apply a combination of a Genetic Algorithms (GA) and Support Vector Machines (SVM) machine learning algorithm to solve two important problems faced by the astronomical community: star/galaxy separation, and photometric redshift…

天体物理仪器与方法 · 物理学 2016-04-27 S. Heinis , S. Kumar , S. Gezari , W. S. Burgett , K. C. Chambers , P. W. Draper , H. Flewelling , N. Kaiser , E. A. Magnier , N. Metcalfe , C. Waters

Genetic Algorithms (GAs) are a powerful technique to address hard optimisation problems. However, scalability issues might prevent them from being applied to real-world problems. Exploiting parallel GAs in the cloud might be an affordable…

神经与进化计算 · 计算机科学 2016-06-23 Pasquale Salza , Filomena Ferrucci