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580 papers · 1 filter
A partially occulting MACHO-microlensing event in the Twin Quasar Q0957+561
Theodorus M. Nieuwenhuizen
A doubly-peaked quasar microlensing event in the lensed Twin Quasar Q0957+561 A,B (Colley and Schild 2003) is analysed within several lensing models. In the most realistic model a…
Steerable CNNs
Taco S. Cohen, Max Welling
It has long been recognized that the invariance and equivariance properties of a representation are critically important for success in many vision tasks. In this paper we present…
Multiband Observations of the Quasar PKS 2326-502 during Active and Quiescent Gamma-Ray States in 2010-2012
Michael S. Dutka, Bryce D. Carpenter, Roopesh Ojha +12
Quasi-simultaneous observations of the Flat Spectrum Radio Quasar PKS 2326-502 were carried out in the gamma-ray, X-ray, UV, optical, near-infrared, and radio bands. Thanks to thes…
Absorption and scattering by interstellar dust in the silicon K-edge of GX 5-1
S. T. Zeegers, E. Costantini, C. P. de Vries +6
We study the absorption and scattering of X-ray radiation by interstellar dust particles, which allows us to access the physical and chemical properties of dust. The interstellar d…
Search for transitions between states in redbacks and black widows using seven years of Fermi-LAT observations
Diego F. Torres, Long Ji, Jian Li +4
Considering about seven years of Fermi-Large Area Telescope (LAT) data, we present a systematic search for variability possibly related to transitions between states in redbacks an…
The Effects of Data Quality on the Analysis of Corporate Board Interlock Networks
Javier Garcia-Bernardo, Frank W. Takes
Nowadays, social networks of ever increasing size are studied by researchers from a range of disciplines. The data underlying these networks is often automatically gathered from AP…