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165 papers · 1 filter
Towards precise asteroseismology of solar-like stars
A. Grigahcène, M. -A. Dupret, S. G. Sousa +4
Adiabatic modeling of solar-like oscillations cannot exceed a certain level of precision for fitting individual frequencies. This is known as the problem of near surface effects on…
Time delays for 11 gravitationally lensed quasars revisited
Eva Eulaers, Pierre Magain
We test the robustness of published time delays for 11 lensed quasars by using two techniques to measure time shifts in their light curves. We chose to use two fundamentally differ…
A Unifying Model for the Analysis of Phenotypic, Genetic and Geographic Data
Gilles Guillot, Sabrina Renaud, Ronan Ledevin +2
Recognition of evolutionary units (species, populations) requires integrating several kinds of data such as genetic or phenotypic markers or spatial information, in order to get a…
Scenario trees and policy selection for multistage stochastic programming using machine learning
Boris Defourny, Damien Ernst, Louis Wehenkel
We propose a hybrid algorithmic strategy for complex stochastic optimization problems, which combines the use of scenario trees from multistage stochastic programming with machine…
A consistent model for πN transition distribution amplitudes and backward pion electroproduction
J. P. Lansberg, B. Pire, K. Semenov-Tian-Shansky +1
The extension of the concept of generalized parton distributions leads to the introduction of baryon to meson transition distribution amplitudes (TDAs), non-diagonal matrix element…
Fast core rotation in red-giant stars revealed by gravity-dominated mixed modes
Paul G. Beck, Josefina Montalban, Thomas Kallinger +21
When the core hydrogen is exhausted during stellar evolution, the central region of a star contracts and the outer envelope expands and cools, giving rise to a red giant, in which…