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- Centre National de la Recherche ScientifiqueFR319 papers
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51 papers · 1 filter
Maximum Matching and Linear Programming in Fixed-Point Logic with Counting
Matthew Anderson, Anuj Dawar, Bjarki Holm
We establish the expressibility in fixed-point logic with counting (FPC) of a number of natural polynomial-time problems. In particular, we show that the size of a maximum matching…
A permuted random walk exits faster
Richard Pymar, Perla Sousi
Let be a permutation of . We consider the Markov chain which jumps from to or , equally likely. When is at 0 it jumps to ei…
On-Orbit Degradation of Solar Instruments
A. BenMoussa, S. Gissot, U. Schühle +38
We present the lessons learned about the degradation observed in several space solar missions, based on contributions at the Workshop about On-Orbit Degradation of Solar and Space…
A Dust-Obscured Massive Maximum-Starburst Galaxy at a Redshift of 6.34
Dominik A. Riechers, C. M. Bradford, D. L. Clements +61
Massive present-day early-type (elliptical and lenticular) galaxies probably gained the bulk of their stellar mass and heavy elements through intense, dust-enshrouded starbursts -…
Bootstrap percolation on Galton-Watson trees
Béla Bollobás, Karen Gunderson, Cecilia Holmgren +2
Bootstrap percolation is a type of cellular automaton which has been used to model various physical phenomena, such as ferromagnetism. For each natural number , the -neighbou…
Star Formation Rates in Resolved Galaxies: Calibrations with Near and Far Infrared Data for NGC5055 and NGC6946
Yiming Li, Alison F. Crocker, Daniela Calzetti +21
We use the near--infrared Brγhydrogen recombination line as a reference star formation rate (SFR) indicator to test the validity and establish the calibration of the {\it Herschel}…