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- Centre National de la Recherche ScientifiqueFR446 papers
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26 papers · 1 filter
Nuclear state densities of odd-mass heavy nuclei in the shell model Monte Carlo approach
C. Özen, Y. Alhassid, H. Nakada
While the shell model Monte Carlo approach has been successful in the microscopic calculation of nuclear state densities, it has been difficult to calculate accurately state densit…
Kepler-62: A five-planet system with planets of 1.4 and 1.6 Earth radii in the Habitable Zone
W. J. Borucki, E. Agol, F. Fressin +62
We present the detection of five planets -- Kepler-62b, c, d, e, and f -- of size 1.31, 0.54, 1.95, 1.61 and 1.41 Earth radii, orbiting a K2V star at periods of 5.7, 12.4, 18.2, 12…
Spectral gap actions and invariant states
Han Li, Chi-Keung Ng
We define spectral gap actions of discrete groups on von Neumann algebras and study their relations with invariant states. We will show that a finitely generated ICC group is i…
Learning and Verifying Quantified Boolean Queries by Example
Azza Abouzied, Dana Angluin, Christos Papadimitriou +2
To help a user specify and verify quantified queries --- a class of database queries known to be very challenging for all but the most expert users --- one can question the user on…
Synaptic Scaling Balances Learning in a Spiking Model of Neocortex
Mark Rowan, Samuel Neymotin
Learning in the brain requires complementary mechanisms: potentiation and activity-dependent homeostatic scaling. We introduce synaptic scaling to a biologically-realistic spiking…
Characterizing the Cool KOIs. V. KOI-256: A Mutually Eclipsing Post-Common Envelope Binary
Philip S. Muirhead, Andrew Vanderburg, Avi Shporer +23
We report that Kepler Object of Interest 256 (KOI-256) is a mutually eclipsing post-common envelope binary (ePCEB), consisting of a cool white dwarf (M = 0.592 +/- 0.089 MSun, R =…