8.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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122 papers · 1 filter
Existence and qualitative properties of travelling waves for an epidemiological model with mutations
Quentin Griette, Gaël Raoul
In this article, we are interested in a non-monotone system of logistic reaction-diffusion equations. This system of equations models an epidemics where two types of pathogens are…
Detecting minors in matroids through triangles
Boris Albar, Daniel Gonçalves, Jorge L. Ramírez Alfonsín
In this note we investigate some matroid minor structure results. In particular, we present sufficient conditions, in terms of {\em triangles}, for a matroid to have either $U_{2,4…
H.E.S.S. detection of TeV emission from the interaction region between the supernova remnant G349.7+0.2 and a molecular cloud
H. E. S. S. Collaboration, :, A. Abramowski +224
G349.7+0.2 is a young Galactic supernova remnant (SNR) located at the distance of 11.5 kpc and observed across the entire electromagnetic spectrum from radio to high energy (HE) Ga…
Role of Zinc and Niobium in the Giant Piezoelectric Response of PbZn1/3Nb2/3O3
Ali Al-Zein, Hichem Dammak, Philippe Papet +5
Relaxor ferroelectric perovskites are highly polarizable and can exhibit giant coupling between elastic strain and an applied electric field. Here, we report an in situ extended X-…
VC-dimension and Erdős-Pósa property
Nicolas Bousquet, Stéphan Thomassé
Let be a graph. A -neighborhood in is a set of vertices consisting of all the vertices at distance at most from some vertex of . The hypergraph on vertex se…
Red Supergiant Stars as Cosmic Abundance Probes. III. NLTE effects in J-band Magnesium lines
Maria Bergemann, Rolf-Peter Kudritzki, Zach Gazak +2
Non-LTE calculations for Mg I in red supergiant stellar atmospheres are presented to investigate the importance of non-LTE for the formation of Mg I lines in the NIR J-band. Recent…
First order gravity on the light front
Sergei Alexandrov, Simone Speziale
We study the canonical structure of the real first order formulation of general relativity on a null foliation. We use a tetrad decomposition which allows to elegantly encode the n…
Equilibrium phase diagram of a randomly pinned glass-former
Misaki Ozawa, Walter Kob, Atsushi Ikeda +1
We use computer simulations to study the thermodynamic properties of a glass former in which a fraction of the particles has been permanently frozen. By thermodynamic integrati…
Bounded-degree factors of lacunary multivariate polynomials
Bruno Grenet
In this paper, we present a new method for computing bounded-degree factors of lacunary multivariate polynomials. In particular for polynomials over number fields, we give a new al…
Higher rank lattices are not coarse median
Thomas Haettel
We show that symmetric spaces and thick affine buildings which are not of spherical type have no coarse median in the sense of Bowditch. As a consequence, they are not quas…
HST Images Reveal Dramatic Changes in the Core of IRC+10216
Hyosun Kim, Ho-Gyu Lee, Nicolas Mauron +1
IRC+10216 is the nearest carbon star with a very high mass-loss rate. The existence of a binary companion has been hinted by indirect observational evidence, such as the bipolar mo…
Nonequilibrium equation of state in suspensions of active colloids
Félix Ginot, Isaac Theurkauff, Demian Levis +4
Active colloids constitute a novel class of materials composed of colloidal-scale particles locally converting chemical energy into motility, mimicking micro-organisms. Evolving fa…
Reconstructing phylogenetic level-1 networks from nondense binet and trinet sets
Katharina Huber, Leo van Iersel, Vincent Moulton +2
Binets and trinets are phylogenetic networks with two and three leaves, respectively. Here we consider the problem of deciding if there exists a binary level-1 phylogenetic network…
The Magnetic Fields at the Surface of Active Single G-K Giants
M. Aurière, R. Konstantinova-Antova, C. Charbonnel +15
We investigate the magnetic field at the surface of 48 red giants selected as promising for detection of Stokes V Zeeman signatures in their spectral lines. We use the spectropolar…
Type II Seesaw Higgsology and LEP/LHC constraints
Abdesslam Arhrib, Rachid Benbrik, Gilbert Moultaka +1
In the {\sl type II seesaw} model, if spontaneous violation of the lepton number conservation prevails over that of explicit violation, a rich Higgs sector phenomenology is expecte…
The MiMeS Survey of Magnetism in Massive Stars: CNO surface abundances of Galactic O stars
F. Martins, A. Hervé, J. -C. Bouret +7
The evolution of massive stars is still partly unconstrained. Mass, metallicity, mass loss and rotation are the main drivers of stellar evolution. Binarity and magnetic field may a…
A 'stochastic safety radius' for distance-based tree reconstruction
Olivier Gascuel, Mike Steel
A variety of algorithms have been proposed for reconstructing trees that show the evolutionary relationships between species by comparing differences in genetic data across present…
The Importance of the Magnetic Field from an SMA-CSO-Combined Sample of Star-Forming Regions
Patrick M. Koch, Ya-Wen Tang, Paul T. P. Ho +14
Submillimeter dust polarization measurements of a sample of 50 star-forming regions, observed with the SMA and the CSO covering pc-scale clouds to mpc-scale cores, are analyzed in…
Bulk and interfacial stresses in suspensions of soft and hard colloids
Domenico Truzzolillo, Valentin Roger, Christelle Dupas +2
We explore the influence of particle softness and internal structure on both the bulk and interfacial rheological properties of colloidal suspensions. We probe bulk stresses by con…
Swift and Fermi observations of X-ray flares: the case of Late Internal Shock
E. Troja, L. Piro, V. Vasileiou +5
Simultaneous Swift and Fermi observations of gamma-ray bursts (GRBs) offer a unique broadband view of their afterglow emission, spanning more than ten decades in energy. We present…
Discovery of the VHE gamma-ray source HESS J1832-093 in the vicinity of SNR G22.7-0.2
H. E. S. S. Collaboration, :, A. Abramowski +218
The region around the supernova remnant (SNR) W41 contains several TeV sources and has prompted the H.E.S.S. Collaboration to perform deep observations of this field of view. This…
Gamma-ray flaring activity from the gravitationally lensed blazar PKS 1830-211 observed by Fermi LAT
The Fermi LAT Collaboration, A. A. Abdo, M. Ackermann +126
The Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope routinely detects the highly dust-absorbed, reddened, and MeV-peaked flat spectrum radio quasar PKS 1830…
Admissible Velocity Propagation : Beyond Quasi-Static Path Planning for High-Dimensional Robots
Quang-Cuong Pham, Stéphane Caron, Puttichai Lertkultanon +1
Path-velocity decomposition is an intuitive yet powerful approach to address the complexity of kinodynamic motion planning. The difficult trajectory planning problem is solved in t…
Evidence for non-universal scaling in dimension four Ising spin glasses
P. H. Lundow, I. A. Campbell
The critical behavior of the Binder cumulant for Ising spin glasses in dimension four are studied through simulation measurements. Data for the bimodal interaction model are compar…