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Related papers: GRAPE: Genetic Routine for Astronomical Period Est…

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Repetitive DNA (repeats) poses significant challenges for accurate and efficient genome assembly and sequence alignment. This is particularly true for metagenomic data, where genome dynamics such as horizontal gene transfer, gene…

Machine Learning · Computer Science 2024-02-15 Ali Azizpour , Advait Balaji , Todd J. Treangen , Santiago Segarra

Quantum optimal control methods, such as gradient ascent pulse engineering (GRAPE), are used for precise manipulation of quantum states. Many of those methods were pioneered in magnetic resonance spectroscopy where instrumental distortions…

Quantum Physics · Physics 2025-05-05 Uluk Rasulov , Ilya Kuprov

Medical image reconstruction with pre-trained score-based generative models (SGMs) has advantages over other existing state-of-the-art deep-learned reconstruction methods, including improved resilience to different scanner setups and…

High-contrast imaging surveys for exoplanet detection have shown giant planets at large separations to be rare. It is important to push towards detections at smaller separations, the part of the parameter space containing most planets. The…

Earth and Planetary Astrophysics · Physics 2021-03-16 M. Samland , J. Bouwman , D. W. Hogg , W. Brandner , T. Henning , M. Janson

Grid-based modelling is widely used for estimating stellar parameters. However, stellar model grid is sparse because of the computational cost. This paper demonstrates an application of a machine-learning algorithm using the Gaussian…

Solar and Stellar Astrophysics · Physics 2022-03-02 Tanda Li , Guy R. Davies , Alexander J. Lyttle , Warrick H. Ball , Lindsey M. Carboneau , Rafael A. Garcia

We present the Star-Based Automated Single-locus and Epistasis analysis tool - Genetic Programming (StarBASE-GP), an automated framework for discovering meaningful genetic variants associated with phenotypic variation in large-scale genomic…

Neural and Evolutionary Computing · Computer Science 2025-05-30 Jose Guadalupe Hernandez , Attri Ghosh , Philip J. Freda , Yufei Meng , Nicholas Matsumoto , Jason H. Moore

Physically motivated Gaussian process (GP) kernels for stellar variability, like the commonly used damped, driven simple harmonic oscillators that model stellar granulation and p-mode oscillations, quantify the instantaneous covariance…

Instrumentation and Methods for Astrophysics · Physics 2026-05-14 Jacob K. Luhn , Ryan A. Rubenzahl , Samuel Halverson , Lily L. Zhao

This paper presents our solution for optimization task of the 3rd ACM-China IPCC. By the complexity analysis, we identified three time-consuming subroutines of original algorithm: marking edges, computing pseudo inverse and sorting edges.…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-12-15 Yuxuan Chen , Jiyan Qiu , Zidong Han , Chenhan Bai

Modeling of strongly gravitationally lensed galaxies is often required in order to use them as astrophysical or cosmological probes. With current and upcoming wide-field imaging surveys, the number of detected lenses is increasing…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-03 S. Schuldt , S. H. Suyu , R. Canameras , Y. Shu , S. Taubenberger , S. Ertl , A. Halkola

Mode fitting or "peak-bagging" is an important procedure in helioseismology allowing one to determine the various mode parameters of solar oscillations. Here we describe a way of reducing the systematic bias in the fits of certain mode…

Solar and Stellar Astrophysics · Physics 2011-02-11 S. T. Fletcher , W. J. Chaplin , Y. Elsworth , R. New

The estimation of periodicity is a fundamental task in many scientific areas of study. Existing methods rely on theoretical assumptions that the observation times have equal or i.i.d. spacings, and that common estimators, such as the…

Methodology · Statistics 2021-06-01 Panos Toulis , Jacob Bean

Asteroseismic time-series data have imprints of stellar oscillation modes, whose detection and characterization through time-series analysis allows us to probe stellar interior physics. Such analyses usually occur in the Fourier domain by…

Instrumentation and Methods for Astrophysics · Physics 2024-05-30 Aarya A. Patil , Gwendolyn M. Eadie , Joshua S. Speagle , David J. Thomson

The Period--Luminosity relation (PLR) of Mira variable stars is an important tool to determine astronomical distances. The common approach of estimating the PLR is a two-step procedure that first estimates the Mira periods and then runs a…

Applications · Statistics 2022-12-14 Shiyuan He , Zhenfeng Lin , Wenlong Yuan , Lucas M. Macri , Jianhua Z. Huang

Generating high-quality instance-wise grasp configurations provides critical information of how to grasp specific objects in a multi-object environment and is of high importance for robot manipulation tasks. This work proposed a novel…

Robotics · Computer Science 2023-02-16 Yucheng Xu , Mohammadreza Kasaei , Hamidreza Kasaei , Zhibin Li

Graph Edit Distance (GED) is a widely used metric for measuring similarity between two graphs. Computing the optimal GED is NP-hard, leading to the development of various neural and non-neural heuristics. While neural methods have achieved…

Machine Learning · Computer Science 2025-05-06 Samidha Verma , Arushi Goyal , Ananya Mathur , Ankit Anand , Sayan Ranu

Multiple-frequency periodograms -- based on time series models consisting of two or more independent sinusoids -- have long been discussed. What is new here is the presentation of a practical, simple-to-use computational framework…

Instrumentation and Methods for Astrophysics · Physics 2026-01-09 Jeffrey D. Scargle , Sarah Wagner

Robots benefit from being able to classify objects they interact with or manipulate based on their material properties. This capability ensures fine manipulation of complex objects through proper grasp pose and force selection. Prior work…

Robotics · Computer Science 2022-07-05 Nathaniel Hanson , Tarik Kelestemur , Deniz Erdogmus , Taskin Padir

Coherent ptychographic imaging experiments often discard over 99.9 % of the flux from a light source to define the coherence of an illumination. Even when coherent flux is sufficient, the stability required during an exposure is another…

Optics · Physics 2019-06-10 Huibin Chang , Pablo Enfedaque , Yifei Lou , Stefano Marchesini

Detecting Earth twins remains challenging because their shallow, long-period transits are difficult to distinguish from background noise. Motivated by the challenge, we developed Segmented-Polynomial-fitting Least Squares (SPLS), a new…

Earth and Planetary Astrophysics · Physics 2025-12-03 Shuyue Zheng , Fabo Feng , Yicheng Rui

Gibbs sampling is a workhorse for Bayesian inference but has several limitations when used for parameter estimation, and is often much slower than non-sampling inference methods. SAME (State Augmentation for Marginal Estimation)…

Machine Learning · Computer Science 2014-09-19 Huasha Zhao , Biye Jiang , John Canny