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[ { "content": "_ systolic complexes _ were introduced for the first time by chepoi @xcite under the name _ bridged complexes_. they were defined there as flag simplicial completions of _ bridged graphs _ \n @xcite the latter appear naturally in many contexts related to metric properties of graphs and , in parti...
[ { "content": "humanity has , after several decades of effort , finally achieved the direct detection of gravitational waves @xcite . \n given that we expect to detect gravitational wave ( gw ) events from astrophysical systems located at cosmological distances even the first two events , gw150914 and gw151226 ...
[ { "content": "the symbiotic stars are currently understood as interacting binary systems consisting of a cool giant and a hot compact star , which is in most cases a white dwarf . \n typical orbital periods are between 1 and 3 years , but they can be significantly larger . the mass loss from the giant represent...
[ { "content": "likely , the large hadron collider or lhc will become operative by the beginning of the next century , offering a wide programme of exciting possibilities in particle physics , among which the origin of mass at the electroweak scale and the possible discovery of supersymmetric particles , the inve...
[ { "content": "in recent years , a considerable effort has been devoted to extend the chaotic communication applications to the field of secure communications . \n the possibility of synchronization of two coupled chaotic systems was first shown by pecora and carrol @xcite and opened the possibility of using the...
[ { "content": "the distribution of neutral hydrogen in the universe is largely traced by the ly@xmath3 forest , ly - limit systems , damped ly@xmath3 systems and galaxies , but the relationship between these tracers remains unknown . \n the predicted existence of a large number of individual dark matter halos in...
[ { "content": "in this note i perform a study of su(3 ) breaking for the decays @xmath1 and @xmath0 . \n this system is interesting , because it allows for a determination of the angle @xmath2 from mixing - induced and direct cp asymmetries @xcite provided the su(3 ) symmetry breaking corrections to a certain do...
[ { "content": "consider two sets of @xmath5 correlated random variables in @xmath6 $ ] , @xmath7 and @xmath8 ( @xmath9 ) , respectively distributed according to the following joint probability densities ( jpd ) : @xmath10 where @xmath11 and @xmath12 are known normalization constants and @xmath13 . in the followi...
[ { "content": "the active asteroids are solar system bodies which have asteroid - like orbits but which also show transient , comet - like activity . \n evidence amassed over the past decade shows that this activity results from a remarkably broad range of physical processes , including impact , thermal fracture...
[ { "content": "observationally , power spectrum of the intensity fluctuation in our galaxy suggest existence of scale invariant structures in the density over length scales ranging as wide as sub parsec to a few hundred parsec . \n these structures are understood in terms of compressible fluid turbulence in the ...
[ { "content": "measuring the cosmological redshifts of gamma - ray bursts of all types ( grbs , xrfs , short - hard bursts ) is crucial for our understanding of these events . \n the measure of redshifts tells us the energy output of the source , it allows the measure of the burst intrinsic parameters ( duration...
[ { "content": "it can be shown using the standard calculus optimization technique that of all rectangles with a given perimeter , the square has the largest area . \n ( it also follows that of all rectangles with a given area , the square has the smallest perimeter . ) \n there is also an easy geometric way to p...
[ { "content": "neutron stars contain matter in one of the densest forms found in the universe . \n their central density ranges from a few time the density of normal nuclear matter to about one order of magnitude higher , depending on the star s mass and the equation of state ( eos ) . \n neutron stars therefore...
[ { "content": "super kamiokande high statistics data @xcite indicate that the observed deficit in the @xmath7-like atmospheric events is due to the neutrinos arriving at the detector at large zenith angles , strongly suggestive of the @xmath1 oscillation hypothesis . \n similarly , their data on the zenith ang...
[ { "content": "the problem of maximum likelihood ( ml ) estimation consists of finding a solution of the form @xmath0 where @xmath1 is an observed sample of a random variable @xmath2 defined on a sample space @xmath3 and @xmath4 is the log - likelihood function defined by @xmath5 defined on the parameter space @...
[ { "content": "the introduction of large - size nanoparticles of different shapes has emerged as the best practical way to improve the current performance of high - temperature superconductors . while in the first superconducting cables \n the critical currents were limited by weak links , in the second - genera...
[ { "content": "spectroscopy is one of the most powerful methods in plasma diagnostics . in particular \n , the analysis of the shape of spectral lines allows to determine the properties of the plasma such as temperature , density , and composition . for dense , \n strongly coupled plasmas , optical spectra have ...
[ { "content": "the energy evolution in the time dependent optical dipole trap can be expressed as follows @xcite : @xmath91 where @xmath92 is the truncation parameter with @xmath93 being the truncation energy and @xmath94 stands for the energy carried away by the evaporated atom in addition to @xmath95 . in an ...
[ { "content": "there is a growing consensus that a large fraction of core - collapse supernovae , possibly including the whole subset of type ib / c events , undergo significantly asymmetrical explosions . while clearly rotation and magnetic fields may play some role in this , instability associated with the sta...
[ { "content": "surface effects are of fundamental importance in liquid crystal physics@xcite . chemical and topographical treatments induce a preferred molecular orientation that , due to elasticity , tends to align the material in the bulk . \n patterned surfaces produce a wealth of phenomena , including multis...
[ { "content": "an important property of the clusters of a normal phase in superconductor consists in their capability to trap a magnetic flux . by virtue of their capacity to hold the vortices from moving under the action of the lorentz force , such clusters can act as effective pinning centers @xcite-@xcite . \...
[ { "content": "in this paper we describe the construction and performance of a straw tube chamber with a unique type of readout : rather than signals being read from anode wires , signals are read from pads placed against the straw tubes which pick up signals induced by the gas avalanches . \n this readout schem...
[ { "content": "an attitude / orientation control system is necessary for all satellites with different satellites requiring varying degrees of pointing accuracy . \n satellites with a high - gain directional antenna , a telescope , or an earth - imaging instrument as payloads require highly accurate ( few arcmin...
[ { "content": "the origin of the observed baryon asymmetry is a fundamental question in modern cosmology . \n forty years ago sakharov showed that three conditions must be satisfied to generate the asymmetry @xcite , and since that time various models have been proposed to explain it . \n but we still do nt have...
[ { "content": "dwarf spheroidal ( dsph ) galaxies are believed to play an important role in the formation and evolution of much more luminous galaxies ( e.g. * ? ? ? \n dsphs are characterized by their low surface brightness , low total luminosity and spheroidal shapes which are consistent with their pressure - ...
[ { "content": "high energy cosmic ray ( cr ) particles are shielded by earth s atmosphere and reveal their existence on the ground only by indirect effects such as ionization and showers of secondary charged particles covering areas up to many km@xmath1 for the highest energy particles . \n in fact , in 1912 vic...
[ { "content": "pairing symmetry in the cuprate superconductors was a subject of intense debate for many years after the discovery of high - temperature superconductivity @xcite , primarily because the interpretation of many conventional techniques , such as quasiparticle tunneling , nmr , angle - resolved photoe...
[ { "content": "the profiles of the broad emission lines in the spectrum of active galactic nuclei ( agns ) are the main source of information about the motion of the high density gas in the broad line region ( blr ) . \n detailed studies of such profiles have been the focus of intense investigation for many year...
[ { "content": "define the norm @xmath6 , of a vector @xmath7 by the number of its nonzero components when @xmath8 , the quantity @xmath9 when @xmath10 , and the maximum absolute value @xmath11 of its components when @xmath12 . \n we say that a vector @xmath1 is _ \n @xmath0-sparse _ if @xmath13 , i.e. , the numb...
[ { "content": "for almost thirty years after the discovery of the @xmath0 and its excitations , the so - called november revolution @xcite , heavy hadron spectroscopy was at rest . \n paraphrasing lord kelvin famous speech @xcite , by 2003 there were only two clouds on the horizon obscuring _ the beauty and cl...
[ { "content": "the lattice simulation of quantum chromodynamic equation of state ( eos ) predicts that the properties of nuclear matter at extreme densities and/or temperatures are governed by the partonic degrees of freedom @xcite . \n a series of experiments have been performed @xcite and planned @xcite to ...
[ { "content": "a knot can be embedded in many different ways in @xmath8-space , smooth or piecewise linear . \n polygonal knots are those which consist of finite line segments , called _ sticks _ , attached end - to - end . \n a _ lattice knot _ is a polygonal knot in the cubic lattice @xmath9 . for further stud...
[ { "content": "agb stars with low initial mass are the major responsible for the nucleosynthesis of solar @xmath0 isotopes with @xmath2 @xmath3 90 @xcite . \n + the main neutron source of low - mass agb models is the @xmath1c(@xmath4 , n)@xmath5o reaction , which burns radiatively during the interpulse in a thin...
[ { "content": "-type and @xmath17-type four - body interactions on alternate plaquettes of a square lattice , and the ( exact ) ribbon operators are the string - like products of @xmath18 and @xmath17 shown above . \n these ribbon operators commute with the hamiltonian terms but anticommute with each other , thu...
[ { "content": "x - ray techniques have long been applied to image the electronic charge density of atoms , molecules , and materials @xcite . \n recently - developed x - ray free electron laser sources , which generate short ( attosecond ) , intense pulses , open up numerous potential applications for high tempo...
[ { "content": "decades of exponential growth in commercial data services has ushered in the so - called bigdata \" era , to which the expansive mobile wireless network is a critical data contributor . as of @xmath0 , the global penetration of mobile subscribers has reached @xmath1 , producing staggeringly @xmat...
[ { "content": "present day colliders test the standard model at an energy scale of order 100 gev . \n precision experiments at lep , slc and tevatron ( with some additional measurements at lower energies ) have measured more than twenty separate experimental observables , and have confirmed the standard model p...
[ { "content": "the heavy - ion collisions around fermi energies have been a subject of intensive theoretical and experimental investigations in recent times @xcite . \n this is primarily due to the onset of multifragmentation @xcite , collective flow and its disappearance @xcite as well as a mixture of fusion , ...
[ { "content": "in this paper we continue the lineage of work on quantum brownian motion via the influence functional path - integral method of feynman and vernon@xcite used by caldeira and leggett@xcite to derive a master equation for a high - temperature ohmic environment , which corresponds to the markovian re...
[ { "content": "studies of solitons in spatially periodic ( lattice ) potentials have grown into a vast area of research , with profoundly important applications to nonlinear optics , plasmonics , and matter waves in quantum gases , as outlined in recent reviews @xcite . in ultracold bosonic and fermionic gases ,...
[ { "content": "a second order phase transition has been observed in the heavy fermion metal uru@xmath0si@xmath0 at @xmath3=17.5 k via a sharp discontinuous jump in the specific heat with about 24% entropy loss.@xcite considering an associated sharp anomaly in the @xmath4axis magnetic susceptibility , it was ini...
[ { "content": "propositional linear time temporal logic , ltl , is important for hardware and software verification@xcite . \n ltl satisfiability checking ( ltlsat ) is receiving renewed interest with advances computing power , several industry ready tools , some new theoretical techniques , studies of the relat...
[ { "content": "the recently demonstrated @xcite high - fidelity preparation of a single exciton state in a self - assembled quantum dot ( qd ) by means of adiabatic evolution induced by a chirped laser pulse ( referred to as _ adiabatic rapid passage _ , arp ) opens new possibilities of charge control in qds . \...
[ { "content": "the fundamental quantity to be considered in the driven motion of helical particles is the propulsion velocity @xmath14 induced by the rotational motion from the application of a constant external torque . \n the angular velocity of the helix for a constant torque depends on viscous drag coefficie...
[ { "content": "in this paper i present an overview of the predictions for pb - pb collisions at @xmath0 tev at the large hadron collider , mainly based on the material presented during the workshop heavy ion collisions at the lhc - last call for predictions , held in the frame of the cern theory institute from m...
[ { "content": "spatial disorder is a generic feature of pattern formation . whereas the simplest patterns that appear in numbers of physical or chemical systems driven out of thermodynamic equilibrium are periodic structures ( such as stripes , squares or hexagons ) , in practice , many steady patterns observed ...
[ { "content": "many fundamental and practical scientific problems involve a wide range of length scales . \n typical examples may include subsurface flows and geophysical domains with microscopic structures . because there exist both natural randomness and lack of knowledge about the physical properties , it is ...
[ { "content": "there have been some exciting developments recently since the four groups brahms , phenix , phobos and star have analyzed rhic data . \n these four groups reporting on rhic , with gold on gold , show that quark gluon plasma with asymptotic freedom and chiral symmetry restoration may never be reali...
[ { "content": "extremely high resolution observations of the powerful extragalactic double radio sources @xcite reveal that they are formed by well - collimated outflows or jets that continuously emerge from the nuclear region of the host active galaxies ( agns ) or quasars , believed to harbor supermassive blac...
[ { "content": "single crystals of ( c@xmath0h@xmath1n)@xmath2cu@xmath3zn@xmath4br@xmath5 were grown from solution by the temperature gradient method @xcite , according to the same procedure as for the original material ( c@xmath0h@xmath1n)@xmath2cubr@xmath5 @xcite but with replacement of the relevant amount @x...
[ { "content": "in the currently favored cosmological constant plus cold dark matter ( @xmath3cdm ) model of cosmology , structure forms hierarchically : small dark matter haloes collapse at high redshifts , while larger and more massive objects form through a series of minor mergers that accrete smaller mass hal...
[ { "content": "[ sec : motivation ] the relationship between abstract interpretation @xcite and partial evaluation @xcite has received considerable attention ( see for example @xcite and their references ) . in order to motivate and illustrate our proposal for an integration of abstract interpretation and p...
[ { "content": "this paper shows that local values of internal energy and enthalpy within a moist atmosphere can be better computed so as to study the energy and enthalpy directly for global / local domains . \n difficulties encountered in the past were due to a paradox : the budget equation of temperature was ea...
[ { "content": "negatively curved surfaces have been studied experimentally including lattice dislocations of solid - state crystals with non - euclidean properties , e.g. , in various magnetic nanostructures @xcite , or in materials showing a conical geometry @xcite . on the other hand , \n theoretical interes...
[ { "content": "in a recent work , ken brown used algebraic methods to analyse random walks on a class of semigroups called `` left - regular bands '' . these walks include the hyperplane chamber walks of bidigare , hanlon , and rockmore . in this paper , we look at the special case of reflection arrangements ...
[ { "content": "precision tests of the equivalence principle ( ep ) in different physical phenomena is of fundamental interest . \n this statement is especially valid for testing ep in case of a quantum motion of antiatoms . \n detailed studies of gravitational properties of antimatter are planned by most groups ...
[ { "content": "[ fig : selfx ] shows the current sample of 1300 pulsars in the atnf on - line catalogue ( hobbs et al . \n these proceedings ) projected onto the galactic plane . rather than being distributed about the galactic centre , the majority of pulsars are local objects . far from being representative...
[ { "content": "the motivations for studying jet observables instead of single - inclusive observables are manifold and shall not be discussed extensively here . instead , only two important points will be mentioned . \n firstly , it has turned out that single - inclusive observables do not fully constrain the an...
[ { "content": "at the time einstein decided to apply his equations to the universe , observational data in cosmology was rather scarce , if not inexistent . \n hence , instead of relying on observations to constrain the spacetime metric , he postulated the \n cosmological principle , \" the isotropy and homogene...
[ { "content": "quantum key distribution ( qkd ) harnesses the laws of quantum mechanics to distribute a secret key with a security level unachievable by classical means @xcite . in a qkd protocol \n two parties , commonly called alice ( message sender ) and bob ( message receiver ) , want to establish a secret k...
[ { "content": "in recent years the discovery and characterization of multiple stellar populations in globular clusters ( gcs ) has given a new impetus to gc studies , opening entirely new scenarios for their formation . \n first came the discovery that the main sequence ( ms ) of @xmath2 cen splits into two , d...
[ { "content": "improvements in the zodiacal light emission and scattering to be given by space observations at 3 au , compared with observations near the earth , were discussed by _ mather and beichman ( 1996)_. unfortunately , a rather accurate multi - parametric model of the zodiacal brightness derived by _ ke...
[ { "content": "in previous studies the question of whether the sun has a normal composition has been discussed in detail ( gustafsson 1998 , 2008 ; gustafsson et al . \n 2010 ; allende prieto 2008 , 2010 ) . \n it has been recognized that earlier studies obtained discrepant results regarding possible chemical ab...
[ { "content": "quantum mechanical ( qm ) calculations of molecular reaction dynamics @xcite are generally much heavier than quasi - classical trajectory calculations @xcite , in particular for polyatomic processes @xcite . \n hence , for several decades , intense researches aim at building semiclassical methods ...
[ { "content": "the baryons within the observed universe appear to consist essentially only of matter and not antimatter . \n there are no regions of gamma ray emission which would correspond to the collision between a galaxy made of normal matter with one made from antimatter , for instance . \n moreover , the t...
[ { "content": "the spin @xmath0 xxz heisenberg chain is arguably one of the most important exactly solvable quantum models of interacting spins in one dimension . \n one the one hand , its study has inspired the development of many modern techniques of quantum integrability such as the bethe ansatz @xcite , the ...
[ { "content": "in 2015 , the lhcb collaboration studied the @xmath7 decays with the data sample corresponds to an integrated luminosity of @xmath8 acquired with the lhcb detector from 7 and 8 tev @xmath9 collisions , and observed two pentaquark candidates @xmath6 and @xmath10 in the @xmath11 invariant mass distr...
[ { "content": "the layered structure of the transition metal dichalcogenide tas@xmath1 permits the intercalation of other metal ions , nominally changing the formula to @xmath6tas@xmath1 . if @xmath7 is a 3@xmath8-transition metal , under certain circumstances long range magnetic order may occur . \n the details...
[ { "content": "it is well - known that a @xmath0-type three - level atomic medium can become transparent to a weak probe field by applying a strong coupling field , which is the result of the destructive interference between two different excitation pathways to the upper level . \n this is the phenomenon of elec...
[ { "content": "kellermann & pauliny - toth ( 1969 ) first suggested that the observed upper limit on the maximum radio brightness temperatures of compact self - absorbed radio sources is an inverse compton limit . \n they argued that at brightness temperature @xmath5 k energy losses of radiating electrons due t...
[ { "content": "recent evidence for the existence of intermediate mass black holes ( imbhs ) raises questions about how such objects might form and evolve . \n imbh candidates exist in globular clusters @xcite , nearby bulgeless galaxies @xcite , and active galactic nuclei @xcite . \n additionally , off - nuclear...
[ { "content": "the existence of light hypernuclei , such as @xmath12he , shows the low energy @xmath13-@xmath14 interaction to be strongly attractive , though not sufficient to bind the two - baryon hyperdeuteron . \n the @xmath13-@xmath14 interaction is of especial interest since it is influenced by the strange...
[ { "content": "feature selection is a central theme in analyzing many variants of magnetic resonance imaging ( mri ) data . supervised approaches that are highly capable of performing regression or classification , but do not rely on features , are at best specialized maps between input data and the output label...
[ { "content": "the analytic description of the vacuum spacetime surrounding a rapidly rotating neutron star is still an open problem . \n the analytic structure of the spacetime outside a slowly rotating star , and its relation to the kerr metric , has been well understood since the seminal works of hartle ( 196...
[ { "content": "classical cepheids , also known as @xmath1 cep - type stars or just cepheids , are population i instability strip pulsators crucial for understanding stellar structure and evolution . \n most galactic cepheids pulsate in one mode with remarkably stable amplitudes and periods , although space - bas...
[ { "content": "the study of dirac points , i.e. the contact points between different energy bands with an approximate linear dispersion relation , has become a major issue since the experimental breakthrough in graphene - based electronics @xcite . \n indeed , the low - energy electronic properties of graphene a...
[ { "content": "the quasar q2237 + 0305 at redshift @xmath3 is gravitationally lensed by a nearby galaxy at @xmath4 ( huchra _ et al . _ 1985 ) . \n the galaxy core lies nearly perfectly along the line of sight . \n such a configuration results in a symmetric , cross - like arrangement of the four quasar compon...
[ { "content": "formation of localized coherent structures during the interaction of intense laser pulses with plasmas is an important topic of the laser plasmas research , which is vital for diagnostic purposes in the experiments with laser ion acceleration , the fast ignition of controlled thermonuclear fusion ...
[ { "content": "a point spread function ( psf ) is a continuous two - dimensional probability - distribution function which describes the scattering pattern of photons from a point source ( star ) . encoding a psf as a continuous mathematical function works well for many ground - based astronomical observation...
[ { "content": "following previous work @xcite , the multiplicity distribution ( md ) generating function in the dummy variable @xmath0 , @xmath1 has been recognised to be related to the grand canonical partition function of a system of @xmath2 particles in statistical mechanics when @xmath0 is identified with th...
[ { "content": "binary neutron star systems are rare , and even among them , the double pulsar system j0737@xmath03039 is extraordinary , since both the neutron stars are detected as radio pulsars . \n the system consists of the recycled 22.7 ms pulsar `` a '' @xcite and the young 2.8 s pulsar `` b '' @xcite ,...
[ { "content": "neutron star ( ns ) astronomy has been recently invigorated by the identification of a new class of magnetically dominated emitters . \n known as anomalous x - ray pulsars ( axps ) and soft gamma - ray repeaters ( sgrs ) , these objects are apparently young , isolated neutron stars ( nss ) , whose...
[ { "content": "the question of statistical isotropy in the cosmic microwave background ( cmb ) has received much attention within the cosmological community ever since the release of the first - year wilkinson microwave anisotropy probe ( wmap ; bennett et al . \n 2003a ) in 2003 . \n the reasons for this are tw...
[ { "content": "the study of open clusters naturally introduces many advances , because they are physically related groups of stars held together by mutual gravitational attraction that were formed at roughly the same time from one large cosmic gas and dust cloud . \n their evolutionary stages range from clouds w...
[ { "content": "how might superpartners be detected if they exist ? they could be found in direct production at colliders as energy or luminosity is increased and a threshold is crossed in either . observing them \n of course requires triggering on such events , and separating the signal from backgrounds . or , t...
[ { "content": "as pointed out by koponen , fractal or inverse power law distributions are of interest in modeling various meaningful situations in solid state physics @xcite . \n an example , treated in ref . \n @xcite , is the thermalization of a nonequilibrium electron - phonon system . + until recently , howe...
[ { "content": "the interaction of the soft pions at the comparatively low energies is described by the effective lagrangian @xmath0,\\ ] ] including three isovector pion fields @xmath1 , @xmath2 , and an auxiliary scalar field @xmath3 obeying the constraint @xmath4 where @xmath5 mev is the pion decay constant ....
[ { "content": "in recent years graphics processors ( gpus ) have gained widespread acceptance as an architecture useful for scientific computing . in many application domains their use brings manyfold increase in performance @xcite . \n most often gpus are used for computational kernels , the most computationall...
[ { "content": "it is very well - known that light propagation in the limit of geometric optics can be described by fermat s principle @xcite . \n it states that the trajectories of rays can be obtained by the extremization of their optical paths @xcite . \n geodesics in a spacetime are obtained likewise , by ext...
[ { "content": "recent analyses of the helioseismic data , from both the michelson doppler imager ( mdi ) instrument on board the soho spacecraft ( toomre et al . \n 2000 ) and the global oscillation network group ( gong ) project ( antia & basu 2000 ) , have provided strong evidence that the previously observed ...
[ { "content": "phenomenological approaches to quantum gravity have recently started to develop in parallel with the more traditional attempts to construct such a theory from first principles . in particular , increasing attention has focused on the consideration that maybe lorentz invariance is not a fundamental...
[ { "content": "considerable attention has recently been paid to two - state nano - mechanical systems @xcite and the possibility of observing quantum effects in them . in the experiments of rueckes _ et al . _ \n @xcite crossed carbon nano - tubes were suspended between supports and the suspended element was ele...
[ { "content": "problems of convection induced by an internal heat source have been experimentally ( e.g. [ 5 ] ) and numerically ( e.g. [ 4 ] ) studied by many researchers . \n the investigations concerned the effects of the heating and cooling rate , many investigations were performed for different conditions i...
[ { "content": "let us consider a circular membrane of the radius @xmath0 of incompressible , isotropic and hyperelastic material having the small constant width @xmath1 . \n let a hydrostatic load @xmath2 be applied to the membrane with an inflexibly fixed contour . to describe the geometry of the deformed membr...
[ { "content": "the cooler synchrotron cosy @xcite at the forschungszentrum jlich in germany can accelerate protons and deuterons up to about 3.7 gev / c . \n both , unpolarized and polarized beams are available . \n excellent beam quality can be achieved using electron- and/or stochastic cooling . \n cosy can be...
[ { "content": "in this paper we consider two classical geometric control problems @xcite : the problem of euler s elasticae and the problem of sub - riemannian ( sr ) geodesics on @xmath0 . \n solution curves to both problems have many applications in mechanics @xcite , robotics @xcite , image processing @xc...
[ { "content": "the mission of the terrestrial planet finder ( tpf ) is to find earth - like planets orbiting other stars by imaging , and to determine their atmospheric constituents by spectral analysis of their reflected light ( beichman 1999 ) . \n imaging provides separation of the light reflected from the pl...
[ { "content": "when formulating the criteria for what defines _ \n portable _ source code , one tends to draw a distinction between two types of portability , namely that associated with functionality and that associated with performance . while the former of these covers \n what is perhaps usually implied when ...
[ { "content": "quasars are believed to be powered by supermassive black holes ( smbhs ) rapidly growing by accreting matter at a large fraction of their eddington rate which , assuming the typical quasar sed of @xcite , corresponds to @xmath30 . we will therefore also refer to obscured agns as obscured quasars ...
[ { "content": "in this two - part work we are interested in the way a solid immersed in a viscous incompressible fluid ( in dimension 2 or 3 ) can deform itself and then interact with the environing fluid in order to stabilize exponentially to zero the velocity of the fluid and also its own velocities . the doma...