English
Related papers

Related papers: Long-Term Dynamical Evolution and Ejection of Near…

200 papers

Deep learning (DL) has achieved great success in many applications, but it has been less well analyzed from the theoretical perspective. The unexplainable success of black-box DL models has raised questions among scientists and promoted the…

Robotics · Computer Science 2023-08-25 Huu-Thiet Nguyen , Chien Chern Cheah , Kar-Ann Toh

Numerical modeling of different structural materials that have highly nonlinear behaviors has always been a challenging problem in engineering disciplines. Experimental data is commonly used to characterize this behavior. This study aims to…

Machine Learning · Computer Science 2020-07-28 Elif Ecem Bas , Denis Aslangil , Mohamed A. Moustafa

Deep Reinforcement Learning (DRL) algorithms have been successfully applied to a range of challenging control tasks. However, these methods typically suffer from three core difficulties: temporal credit assignment with sparse rewards, lack…

Machine Learning · Computer Science 2018-10-30 Shauharda Khadka , Kagan Tumer

The requirement that planetary systems be dynamically stable is often used to vet new discoveries or set limits on unconstrained masses or orbital elements. This is typically carried out via computationally expensive N-body simulations. We…

Evolutionary Computation (EC) has emerged as a powerful field of Artificial Intelligence, inspired by nature's mechanisms of gradual development. However, EC approaches often face challenges such as stagnation, diversity loss, computational…

Neural and Evolutionary Computing · Computer Science 2024-02-15 Abdennour Boulesnane

The discovery of multi-planet extrasolar systems has kindled interest in using their orbital evolution as a probe of planet formation. Accurate descriptions of planetary orbits identify systems which could hide additional planets or be in a…

Earth and Planetary Astrophysics · Physics 2015-05-18 Dimitri Veras , Eric B. Ford

In the past decade, hundreds of asteroid shape models have been derived using the lightcurve inversion method. At the same time, a new framework of 3-D shape modeling based on the combined analysis of widely different data sources such as…

Earth and Planetary Astrophysics · Physics 2016-08-31 J. Durech , B. Carry , M. Delbo , M. Kaasalainen , M. Viikinkoski

The larger number of models of asteroid shapes and their rotational states derived by the lightcurve inversion give us better insight into both the nature of individual objects and the whole asteroid population. With a larger statistical…

Earth and Planetary Astrophysics · Physics 2013-01-30 J. Hanuš , J. Ďurech , M. Brož , A. Marciniak , B. D. Warner , F. Pilcher , R. Stephens , R. Behrend , B. Carry , D. Čapek , P. Antonini , M. Audejean , K. Augustesen , E. Barbotin , P. Baudouin , A. Bayol , L. Bernasconi , W. Borczyk , J. -G. Bosch , E. Brochard , L. Brunetto , S. Casulli , A. Cazenave , S. Charbonnel , B. Christophe , F. Colas , J. Coloma , M. Conjat , W. Cooney , H. Correira , V. Cotrez , A. Coupier , R. Crippa , M. Cristofanelli , Ch. Dalmas , C. Danavaro , C. Demeautis , T. Droege , R. Durkee , N. Esseiva , M. Esteban , M. Fagas , G. Farroni , M. Fauvaud , S. Fauvaud , F. Del Freo , L. Garcia , S. Geier , C. Godon , K. Grangeon , H. Hamanowa , H. Hamanowa , N. Heck , S. Hellmich , D. Higgins , R. Hirsch , M. Husarik , T. Itkonen , O. Jade , K. Kamiński , P. Kankiewicz , A. Klotz , R. A. Koff , A. Kryszczyńska , T. Kwiatkowski , A. Laffont , A. Leroy , J. Lecacheux , Y. Leonie , C. Leyrat , F. Manzini , A. Martin , G. Masi , D. Matter , J. Michałowski , M. J. Michałowski , T. Michałowski , J. Michelet , R. Michelsen , E. Morelle , S. Mottola , R. Naves , J. Nomen , J. Oey , W. Ogloza , A. Oksanen , D. Oszkiewicz , P. Pääkkönen , M. Paiella , H. Pallares , J. Paulo , M. Pavic , B. Payet , M. Polińska , D. Polishook , R. Poncy , Y. Revaz , C. Rinner , M. Rocca , A. Roche , D. Romeuf , R. Roy , H. Saguin , P. A. Salom , S. Sanchez , G. Santacana , T. Santana-Ros , J. -P. Sareyan , K. Sobkowiak , S. Sposetti , D. Starkey , R. Stoss , J. Strajnic , J. -P. Teng , B. Tregon , A. Vagnozzi , F. P. Velichko , N. Waelchli , K. Wagrez , H. Wücher

Artificial neural networks are trained by a standard backpropagation learning algorithm with regularization to model and predict the systematics of -decay of heavy and superheavy nuclei. This approach to regression is implemented in two…

Nuclear Theory · Physics 2019-10-29 Paulo S. A. Freitas , John W. Clark

We study the dynamical stability and fates of hierarchical (in semi-major axis) two-planet systems with arbitrary eccentricities and mutual inclinations. We run a large number of long-term numerical integrations and use the Support Vector…

Earth and Planetary Astrophysics · Physics 2015-08-06 Cristobal Petrovich

Shock-physics numerical codes are essential tools for describing the short but extreme fragmentation stage of the hypervelocity impact process on asteroids. However, accurately representing complex interior structures, surfaces, and contact…

Earth and Planetary Astrophysics · Physics 2026-04-16 Xiaoran Yan , Patrick Michel , Ruichen Ni , Yifei Jiao , Junfeng Li

Earthquake forecasting and prediction have long and in some cases sordid histories but recent work has rekindled interest based on advances in early warning, hazard assessment for induced seismicity and successful prediction of laboratory…

Geophysics · Physics 2022-10-13 Laura Laurenti , Elisa Tinti , Fabio Galasso , Luca Franco , Chris Marone

Exact numerical simulations of dynamics of open quantum systems often require immense computational resources. We demonstrate that a deep artificial neural network comprised of convolutional layers is a powerful tool for predicting…

Computational Physics · Physics 2020-12-22 Luis E. Herrera Rodriguez , Alexei A. Kananenka

We consider the long term dynamics of the restricted N-body problem, modeling in a statistical sense the motion of an asteroid in the gravitational field of the Sun and the solar system planets. We deal with the case of a mean motion…

Mathematical Physics · Physics 2020-04-22 Stefano Marò , Giovanni F. Gronchi

We demonstrate a machine learning based approach which can learn the time-dependent electronic excitation dynamics of small molecules subjected to ion irradiation. Ensembles of recurrent neural networks are trained on data generated by…

Chemical Physics · Physics 2024-09-24 Ethan P. Shapera , Cheng-Wei Lee

Containing only a few percent the mass of the moon, the current asteroid belt is around three to four orders of magnitude smaller that its primordial mass inferred from disk models. Yet dynamical studies have shown that the asteroid belt…

Earth and Planetary Astrophysics · Physics 2019-01-16 Matthew S. Clement , Sean N. Raymond , Nathan A. Kaib

This letter presents a novel approach to extract reliable dense and long-range motion trajectories of articulated human in a video sequence. Compared with existing approaches that emphasize temporal consistency of each tracked point, we…

Computer Vision and Pattern Recognition · Computer Science 2016-03-30 Yuanyuan Wu , Xiaohai He , Byeongkeun Kang , Haiying Song , Truong Q. Nguyen

Long-period circumbinary planets appear to be as common as those orbiting single stars and have been found to frequently have orbital radii just beyond the critical distance for dynamical stability. Assessing the stability is typically done…

Earth and Planetary Astrophysics · Physics 2018-02-12 Christopher Lam , David Kipping

During a geosteering operation the well path is intentionally adjusted in response to the new data acquired while drilling. To achieve consistent high-quality decisions, especially when drilling in complex environments, decision support…

Machine Learning · Statistics 2021-11-16 Kristian Fossum , Sergey Alyaev , Jan Tveranger , Ahmed Elsheikh

Many novel methods have been proposed to mitigate stellar activity for exoplanet detection as the presence of stellar activity in radial velocity (RV) measurements is the current major limitation. Unlike traditional methods that model…