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10 papers · 1 filter
Languages of general interval exchange transformations
Sébastien Ferenczi, Pascal Hubert, Luca Q. Zamboni
The languages generated by interval exchange transformations have been characterized by Ferenczi-Zamboni (2008) and Belov-Cernyatev (2010) under some extra conditions on the system…
Non-parametric Clustering of Multivariate Populations with Arbitrary Sizes
Yves Ismaël Ngounou Bakam, Denys Pommeret
We propose a clustering procedure to group K populations into subgroups with the same dependence structure. The method is adapted to paired population and can be used with panel da…
On quantum modular forms of non-zero weights
Sandro Bettin, Sary Drappeau
We study functions on which statisfy a ``quantum modularity'' relation of the shape where $h:\mathbb R_{\ne…
Volatile-rich comets ejected early on during Solar System formation
S. E. Anderson, J. -M. Petit, B. Noyelles +2
Comet C/2016 R2 PanSTARRS (hereafter C/2016 R2) presents an unusually high N2/CO abundance ratio, as well as a heavy depletion in H2O, making it the only known comet of its kind. U…
Adapting the pyramid wavefront sensor for pupil fragmentation of the ELT class telescopes
Nicolas Levraud, Vincent Chambouleyron, Olivier Fauvarque +8
The next generation of Extremely Large Telescope (24 to 39m diameter) will suffer from the so-called "pupil fragmentation" problem. Due to their pupil shape complexity (segmentatio…
Chandrasekhar-mass white dwarfs are the progenitors of a small fraction of Type Ia supernovae according to nucleosythesis constraints
Eduardo Bravo, Luciano Piersanti, Stéphane Blondin +3
The precise progenitor system of type Ia supernovae (SNe Ia), whether it is a white dwarf (WD) close to the Chandrasekhar limit or substantially less massive, has been a matter of…