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68 papers · 1 filter
Hardness of SetCover Reoptimization
Klaus Jansen, Tobias Mömke, Björn Schumacher
We study hardness of reoptimization of the fundamental and hard to approximate SetCover problem. Reoptimization considers an instance together with a solution and a modified instan…
Solar Cycle Variation of Sustained Gamma Ray Emission from the Sun
Nat Gopalswamy, Pertti Mäkelä, Seiji Yashiro +3
We investigated the occurrence rate of the sustained gamma ray emission (SGRE) events from the Sun using data obtained by Fermi Large Area Telescope (LAT) since its launch in 2008.…
Prediction performance of random reservoirs with different topology for nonlinear dynamical systems with different number of degrees of freedom
Shailendra K. Rathor, Lina Jaurigue, Martin Ziegler +1
Reservoir computing (RC) is a powerful framework for predicting nonlinear dynamical systems, yet the role of reservoir topologyparticularly symmetry in connectivity and weights$…
Evidence for the Keplerian orbit of a close companion around a giant star
Mats Esseldeurs, Leen Decin, Joris De Ridder +31
Close companions influence stellar evolution through tidal interactions, mass transfer, and mass loss effects. While such companions are detected around young stellar objects, main…
The MATISSE view of the inner region of the RY Tau protoplanetary disk
J. S. Martin, J. Kobus, J. Varga +44
The T-Tauri type young stellar object RY Tau exhibits a dust depleted inner cavity characteristic of a transition disk. We constrain the spatial distribution and mineralogy of dust…
ActiTect: A Generalizable Machine Learning Pipeline for REM Sleep Behavior Disorder Screening through Standardized Actigraphy
David Bertram, Anja Ophey, Sinah Röttgen +18
Isolated rapid eye movement sleep behavior disorder (iRBD) is a major prodromal marker of -synucleinopathies, often preceding the clinical onset of Parkinson's disease, dementia…