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[ { "content": "it is well - known that the nonrelativistic symmetries are described by the galilei group , with the galilean boosts relating dynamically equivalent frames which move with relative constant velocity @xmath3 @xmath4 the velocity values @xmath5 are not bounded and three boost generators @xmath6 ( @x...
[ { "content": "in this paper , we present the main results from an analysis of the kinematic data obtained in the context of a massive _ absolute _ proper - motion survey , the southern proper - motion program ( spm hereafter ) . \n our analysis is based on the spm catalog as described by platais et al . \n this...
[ { "content": "the question of whether a given smooth manifold admits a riemannian metric with positive sectional curvature is nearly as old as the subject of riemannian geometry itself . \n the classical gauss bonnet theorem @xmath0 relating the sectional curvature @xmath1 of a compact surface @xmath2 to its e...
[ { "content": "entanglement @xcite has long played a pivotal role in many quantum information processing tasks , such as secure communication using quantum - key distribution @xcite , teleportation of quantum states @xcite , quantum computation @xcite , reduction in communication complexity @xcite , and mor...
[ { "content": "in a previous work it was argued@xcite that with maximal vacuum mixing there is agreement , with minor modifications , between extant observations of solar neutrinos and predictions by the standard solar model ( ssm)@xcite . the maximal vacuum mixing case considered was that in which the phase of ...
[ { "content": "the total cross section @xmath3 is a fundamental quantity in collisions of strongly interacting particles . at present \n one of the main theoretical approaches for the description of @xmath4 is the qcd - inspired formalism @xcite . in this approach \n the energy dependence of the total cross sect...
[ { "content": "the age of neutron star is an essential parameter , which is relevant to the physics of supernova explosion and thereafter the evolution of stars . \n however , it is still a big problem now to determine generally an exact value of age ( except the crab pulsar ) . \n it is a conventional and conve...
[ { "content": "[ varying ] in this article we derive an explicit formula for the average @xmath18 where @xmath11 is one of the classical compact lie groups @xmath19 , @xmath1 , or @xmath20 equipped with haar measure @xmath21 of unit mass @xmath22 and @xmath23 depends on a set of complex parameters @xmath24 , ...
[ { "content": "the main goal of this note is to provide a gentle introduction to the theory of feynman - jackson integrals , and to compute an example of such integrals as explicitly as possible . roughly speaking feynman - jackson integrals are the analogue in @xmath0-calculus of feynman integrals . \n the name...
[ { "content": "in a series of earlier communications @xcite we have proposed the augmented space recursion ( asr ) as an efficient computational technique for the calculation of configuration averaged electronic properties of random binary alloys . \n the method is a combination of the augmented space formalism ...
[ { "content": "the problem of biological aging has attracted much attention in recent years . based on the data of human demography and experiments of other living organisms , many important phenomena of longevity have been found @xcite . \n for instance , the gompertz law was observed for intermediate ages , th...
[ { "content": "in this paper we try to establish the intrinsic characteristics of the stellar sources for the heavy @xmath0-process nuclei ( @xmath0-nuclei with mass numbers @xmath7 corresponding to the elements ba and above ) using aspects of a phenomenological model presented earlier ( wasserburg & qian 2000 ;...
[ { "content": "comets are thought to be largely unaltered reservoirs of leftover material from the primordial mixture of dust in the solar nebula orbiting the newly - formed sun ( e.g. , * ? ? ? \n spectral observations of comet hale - bopp by @xcite using the _ infrared space observatory _ ( _ iso _ ; * ? ? ? \...
[ { "content": "topological excitations are the hallmark of symmetry broken systems , such as liquid crystals @xcite , superfluid helium systems @xcite , and ultracold atomic gases @xcite . \n they appear as spatial variations of order parameters with a topological charge . \n examples include a vortex ( line ...
[ { "content": "thermal transport at the nanoscale is a problem of great fundamental and practical interest @xcite . \n figure [ fig1 ] shows the temperature profiles across silicon films of varying length ( @xmath0 ) , as computed by the phonon boltzmann transport equation ( bte ) @xcite \n . the temperature jum...
[ { "content": "for many integrable by quadratures dynamical systems in holonomic and nonholonomic mechanics the generic level set of integrals of motion can be related to the jacobian of some hyperelliptic curve @xcite . \n it allows us to study symmetries of integrals of motion using group operations in this ja...
[ { "content": "a few of years ago , a novel hadron beam cooling technique capable to deal with the accelerators operating in the range of few tevs , the coherent electron cooling ( cec ) , was proposed @xcite . \n currently , a test facility is under construction at brookhaven national laboratory . for the prese...
[ { "content": "the search for general classes of solutions of the einstein equations that either have pure vacuum for their source or a non - zero cosmological constant , that are of petrov type n , and have principal null rays with non - zero twist has been continuing for a very long time now . \n we will use t...
[ { "content": "the canadian hydrogen intensity mapping experiment ( chime ) is a radio telescope currently being constructed at the dominion radio astrophysical observatory ( drao ) in penticton , bc , canada @xcite . \n chime is a transit telescope with no moving parts , composed of four cylindrical reflecting ...
[ { "content": "the group - iii sesquioxides ga@xmath2o@xmath3 and in@xmath2o@xmath3 are currently popular in basic materials science and technology for being , respectively , deep - uv large - breakdown and near - uv transparent - conducting materials . a natural development that can be envisaged \n is the growt...
[ { "content": "young star clusters are potentially bright , long lived , tracers of star formation within their host galaxies . \n it is therefore of paramount importance to understand what governs the cluster formation process ( e.g. , * ? ? ? \n * ) and how the host galactic environment may affect their format...
[ { "content": "quasiorders , also known as preorders , on a set @xmath3 form a complete lattice @xmath2 . \n so do the transitive relations on @xmath3 ; their complete lattice is denoted by @xmath5 . \n similarly , @xmath0 will stand for the lattice of all equivalences on @xmath3 . \n the natural involution , wh...
[ { "content": "photoacoustics has demonstrated optical contrast imaging in biological tissues at depth beyond 1 mm @xcite . \n this non - invasive hybrid modality uses the conversion of transient illumination to ultrasound wave though thermoelastic expansion to detect optical absorption . besides the detection ...
[ { "content": "the basic paradigm of many body physics is to use analytical and numerical tools to investigate the low - lying states and in particular the ground state properties of a system governed by a given hamiltonian . at very low temperatures , when thermal fluctuations are dominated by quantum fluctuati...
[ { "content": "we consider the * grassmannian * @xmath0 . for a partition @xmath1 contained in a @xmath2 box , \n consider the path from the northeast corner to the southwest corner of the box that traces the partition . \n for the standard flag ( @xmath3 ) , we define the * schubert variety * as @xmath4 we d...
[ { "content": "dissipation and dephasing from two - level systems ( tls ) are a serious problem in many superconducting qubits . \n the aggregate effect of many weakly coupled fluctuators causes @xmath5 charge noise , broadband dielectric loss , and magnetic flux noise , as well as inhomogeneous broadening and d...
[ { "content": "the experiment is conducted in a tow - tank of length 60 m , width 1.8 m and depth 2 m. the plate is towed by a fully automated carriage capable of speeds up to @xmath1 ms@xmath2 . \n the plate is 5.0 m long and 1.2 m wide with an elliptical leading edge . \n the boundary layer formed on the botto...
[ { "content": "since the discovery of jets in ss433 in 1978 , there has been discussion about their uniqueness . by now the zoo of various jets has enlarged . \n there have already been detected hundreds relativistic jets of agns , low velocity jets of young stars and a dozen jets of compact stars . \n jets of s...
[ { "content": "blazars are active galactic nuclei that have their jet axis oriented at a small angle with respect to the observer @xcite . \n they are observationally classified as either flat - spectrum radio quasars ( fsrq ) or bl lacertae ( bl lac ) objects according to the broad line emission in their optic...
[ { "content": "granular materials such as sand and powders have generated much interest of late . \n such an ensemble of particles with macroscopic size is challenging since it may behave as a solid , a liquid or a gas . \n size separation , pattern formation , avalanches , compaction and convection are just a f...
[ { "content": "black holes are perhaps the most tantalizing objects in general relativity . recently \n , the study of black holes in a background anti - de sitter spacetime has been well motivated from developments in string / m - theory , which naturally incorporate black holes as solitonic d - branes , or sim...
[ { "content": "recently , a number of _ chandra _ and _ xmm_-newton observations of quasars have shown local ( @xmath3 ) x - ray absorption lines ( @xcite ) . \n these background quasars are among the brightest extragalactic x - ray sources in the sky and some of them were used as calibration targets . \n the ty...
[ { "content": "basically , there are two competing explanations of the experimentally observed power - law behaviour of elastic hadronic form factors : hard scattering @xcite and the feynman mechanism @xcite . at sufficiently large momentum transfer , \n the feynman mechanism contribution is dominated by configu...
[ { "content": "pseudo - orbits , or @xmath0-chains , are important tools for investigating properties of discrete dynamical systems . \n these @xmath0-chains detect recurrent and mixing behaviors that may not be evident by studying actual orbits . \n however , what is missing from the definitions of terms such a...
[ { "content": "network reciprocity @xcite is a general mechanism responsible for the development of spatial correlations within a viscous population , opening the possibility of persistent cooperation . \n several specific models have been proposed showing how these correlations are related to stable groups of ...
[ { "content": "the spiral galaxy maffei 2 was first detected by paolo maffei in 1968 on a near - infrared schmidt plate @xcite . \n recent @xmath8-band photometry of this galaxy reveals a large highly - inclined barred spiral of hubble type sbc with isophotes visible out to @xmath10 from the nucleus @xcite . if...
[ { "content": "questions of how to compare hadronic observables to the apparent underlying fundamental theory of qcd lie at the heart of understanding the nature of strong interactions . \n thirty years after its inception , qcd in @xmath7 spacetime dimensions still stubbornly refuses to admit a global solution ...
[ { "content": "[ sec : intro ] this paper initiates the study of the minimum number of distinct edge - lengths in a drawing of a given graph is denoted by @xmath8 , and its edge set by @xmath9 . a graph with @xmath2 vertices , @xmath10 edges and maximum degree at \n most @xmath6 is an @xmath2-vertex , @xmath10-e...
[ { "content": "one of the interesting and challenging sub - fields of low - dimensional quantum magnetism which has emerged from the wealth of activity directed at improving the understanding of high - temperature superconductors is that of ladder systems @xcite . these consist of @xmath2 parallel , interacting ...
[ { "content": "fission is a physical phenomenon taking place in heavy atomic nuclei that leads to the disintegration of a parent nucleus into two or more emerging fragments . \n it involves the evolution of the nucleus from its ground state to scission going through a variety of intrinsic shapes that cover a wid...
[ { "content": "consider the singular boundary value problems for the emden \n fowler equation @xmath2 & \\alpha u(0)-\\beta u'(0)=0,\\quad \\gamma u(1)+\\delta u'(1)=0,\\end{aligned}\\ ] ] where @xmath3 and @xmath4 and may be singular at @xmath5 . \n when @xmath6 , see @xcite for the result concerning the above ...
[ { "content": "the morphological division of extragalactic radio sources into two classes introduced by @xcite has proved to be remarkably robust . \n fanaroff & riley had already noted that the edge - brightened ( frii ) sources tend to have higher radio luminosities than the edge - darkened ( fri ) sources , b...
[ { "content": "we are concerned about the numerical solution of the following integrodifferential equation : @xmath0 @xmath1 , \\bar{x } \\in \\omega \\subset { \\mathbb{r}}^2,\\ ] ] where the unknown @xmath2 is a continuous function @xmath3 \\rightarrow { \\mathbb{r}}$ ] , @xmath4 , @xmath5 and @xmath6 are give...
[ { "content": "in this section , we discuss potential measurements at the lhc that can constrain the pomeron structure . the pomeron structure in terms of quarks and gluons has been derived from qcd \n fits at hera and at the tevatron and it is possible to probe this structure and the qcd evolution at the lhc in...
[ { "content": "to trace gas and stars in the outskirts of galaxy disks , we typically use hi mapping ( e.g. , ( * ? ? ? \n * huchtmeier & bohnenstengel 1981 ) ; ( * ? ? ? \n * koribalski & lpez - snchez 2009 ) ; ( * ? ? ? \n * heald et al . 2011 ) ; ( * ? ? ? \n * serra et al . 2012 ) ; ( * ? ? ? \n * lee - wadd...
[ { "content": "the theory of error - correcting codes for classical information has been extensively studied for almost fifty years . a fundamental question in coding theory concerns \n what _ capacity _ of information can be successfully transmitted through a noisy channel . call a code that maps @xmath3-bit in...
[ { "content": "due to the lack of analytical solutions , numerical integration is required to solve the equations of motion of the gravitational @xmath0-body problem for almost any initial conditions for @xmath1 . \n there are many textbooks with algorithms related to general purpose numerical integration of ord...
[ { "content": "the wave of colonization by migrating farmers and establishment of farming communities in europe between @xmath0 and @xmath1 bc is currently a topic of great interest in prehistoric archaeology , linguistics and anthropology ch , pr . \n ammerman and cavalli - sforza developed a model for the expa...
[ { "content": "the production of quantum degenerate gases has revolutionized the field of atomic physics . \n such gases are now routinely used as a means towards understanding complex many - body quantum phenomena from the realms of condensed matter and nuclear physics @xcite . as atom sources with precisely co...
[ { "content": "in the last few years it has become possible to observe details of absorption by singly ionized helium . \n the observations combine new information about the history of quasars , intergalactic gas , and structure formation . \n early observations of the heii ly@xmath1 absorption spectral region i...
[ { "content": "the spectral slope optical / uv variations in agns have been quantified by @xcite , by means of the _ spectral variability parameter _ @xmath0 , @xmath1 being the slope of the spectrum and @xmath2 its flux in the given band . \n a positive value was found , which means that the spectrum is harder ...
[ { "content": "in the simplest models undergoing absorbing state phase transitions in the directed percolation ( dp ) universality class , like the contact process ( cp ) , the stationary state of the system in the inactive phase is the state devoid of particles . \n other models in the same class , like the pai...
[ { "content": "a deconfined phase of nuclear matter is expected to be formed at the high energy densities created in relativistic heavy ion collisions @xcite . \n it is widely believed that important signatures of such a phase are reflected in the space - time extent and shape of particle emission source functio...
[ { "content": "polarization in spectral lines is the most direct and reliable signature of the presence of magnetic fields on the surfaces of stars . \n while the zeeman broadening of unpolarized spectra can be used , with some ambiguity , to diagnose kg - strength fields in the extremely active stars @xcite , c...
[ { "content": "a long - standing problem in quantum field theory is a nonperturbative formulation of chiral fermions . \n our only general nonperturbative formulation of quantum field theory is the renormalization - group limit of functional integrals defined on a lattice . \n but when chiral symmetry is an issu...
[ { "content": "_ near field communication ( nfc ) _ \n @xcite is a highly - practical emerging technology @xcite . indeed , \n nfc - enabled smartphones are being used in several domains , such as payment @xcite , access control @xcite and ticketing @xcite . in the following , \n we focus on mobile ticketing...
[ { "content": "dust grains absorb stellar ultraviolet ( uv)optical light and reprocess it into far - infrared ( fir ) , thereby affecting the energetics of interstellar medium ( ism ) ( e.g. * ? ? ? \n the fir luminosity is known to be a good indicator of star formation rate ( sfr ) in galaxies @xcite . \n this ...
[ { "content": "post - agb stars are in a transition stage between the asymptotic giant branch ( agb ) and the planetary nebulae ( pn ) stage . during the early stage of post - agb evolution \n the star is obscured by material expelled during the agb phase ( the agb ejecta ) . as this ejecta slowly moves away fro...
[ { "content": "in the past decade and a half , over two hundred and fifty extra - solar planets have been discovered . with the data expected to be produced by satellites such as corot @xcite and kepler @xcite \n , it will not only be possible to find smaller planets , but moons of those planets as well @xcite ....
[ { "content": "the active manipulation of spin - dependent electron transport is the principal task in spintronics @xcite . \n one of the effective way to achieve spin polarization of electrons injected into semiconductors is spin - dependent tunnelling through a barrier in ferromagnetic metal / insulator / sem...
[ { "content": "to characterize the metallicity and age of an old stellar system , iron abundance [ fe / h ] ( the logarithm of the iron - to - hydrogen abundance ratio with respect to its solar value ) and the stellar effective temperature must be determined together for its main - sequence turnoff ( msto ) s...
[ { "content": "so far , @xmath0 carinae is the only luminous blue variable ( lbv ) known to be surrounded by dense molecular gas in its own ejecta nebula ( smith 2006 , 2002a ; smith & davidson 2001 ) . \n nearly all other lbv nebulae show bright infrared [ fe ii ] emission from dense partially - ionized gas (...
[ { "content": "our results have impact on three fields : model theory , universal algebra , and theoretical computer science . \n we therefore have a three - fold introduction . in model theory , reducts of a relational structure @xmath0 \n are usually considered _ up to first - order interdefinability_. to...
[ { "content": "kontsevich solution for deformation quantization of poisson manifolds @xcite is based on a specific qft @xcite , yet universal : use one quantization to find them all . \n the coefficients of the star - product , expressed as integrals on some configuration spaces , are the corresponding amplitude...
[ { "content": "in the last years a great deal of interest arose for understanding the formation of the first structures in the universe at the end of the so called dark age epoch . \n this interest is motivated not only by the possibilities of direct measurements of the physical conditions prevailing in these (...
[ { "content": "determination of dynamical masses of spiral galaxies is a decisive step in establishing empirically the clustering scale of dark matter . the cold dark matter model predicts a hierarchy of scales , from a dwarf sub - halo scale of @xmath5 of solar masses up to a galaxy cluster size . \n there is a...
[ { "content": "liquid polyamorphism , i.e. , the existence of distinct liquid phases of a pure substance , was proposed over 40 years ago @xcite to explain the occurrence of unusual melting properties of certain substances , such as melting - curve maxima ( as in p , cs , ba , etc ) and negative - sloped meltin...
[ { "content": "in this paper we consider the heating of the solar corona in regions where the large - scale magnetic field deviates significantly from a ( current - free ) potential field . \n evidence for such nonpotential structures comes from a variety of sources . \n measurements of photospheric vector field...
[ { "content": "within the context of the heterotic superstring and heterotic m - theory @xcite , there have been a number of vacuum states whose four - dimensional low energy effective field theory @xcite has the exact spectrum of the mssm with or without right - handed neutrino chiral multiplets and , to proh...
[ { "content": "quantum entanglement is a key ingredient in quantum information processing@xcite . in practice \n , entanglement can be easily destroyed by environment noise@xcite . \n quantum illumination(qi ) can benefit from entanglement in target detection even it is under these entanglement - destroying nois...
[ { "content": "in the last years the enumerative geometry of straight lines on quartic surfaces in @xmath1 has been studied by many authors . unlike smooth cubic surfaces , which always contain 27 lines \n , one can prove by a standard dimension count that a general quartic surface does not contain any line a...
[ { "content": "since the first discovery of an x - ray pulsar in the cen x@xmath13 system , it has been generally accepted that accretion disk plays a key role in the evolution of accretion - powered x - ray binary pulsars ( axbps ) . \n the instantaneous luminosity and spin rates are mainly determined by accret...
[ { "content": "considerable efforts have been made in the understanding of localization properties of electronic states of disordered systems since the work by anderson.@xcite being the simplest one to investigate the above phenomena , the anderson model is formulated through a tight binding hamiltonian with dia...
[ { "content": "the main object of this paper is a stochastic differential equation @xmath0 , \\end{gathered}\\ ] ] where @xmath1 is a standard wiener process ; @xmath2 is a fractional brownian motion ( fbm ) with the hurst parameter @xmath3 ; @xmath4 is a poisson measure with finite intensity measure . \n such...
[ { "content": "the behavior of qcd at finite temperature is of great theoretical and experimental interest . \n traditionally , finite temperature calculations of a field theory are performed in euclidean space with periodic boundary conditions imposed in the time direction . \n however , the same information ca...
[ { "content": "the investigation of two - dimensional ( 2d ) qcd in the context of the schwinger - dyson ( sd ) dynamical equations of motion has been initiated by the pioneering paper of t hooft @xcite . \n he used the free gluon propagator in the light - cone gauge , which is free from ghost complications . \n...
[ { "content": "in this article , the term cdw is used to indicate a periodic modulation of the charge density @xmath2 , irrespective of the process behind its generation . \n this modulation is described , in the unperturbed system and for the simplest form of cdw , as @xmath3 , where @xmath4 is the intensity an...
[ { "content": "there has been considerable amount of work on learning when labeling is expensive , such as techniques on transductive inference and active learning . with the emergence of crowdsourcing services , like amazon mechanical turk , labeling costs in many applications \n have dropped dramatically . \n ...
[ { "content": "magnetic fields are ubiquitous . \n all astrophysical objects are known to have magnetic fields of different magnitudes , e.g . , 1 gauss at the stellar scale to @xmath2 gauss at the galactic scale @xcite . \n the origin of such fields ( _ primordial field _ ) is not very clear - there are several...
[ { "content": "the field of numerical relativity has matured to a stage where it is possible to simulate realistic systems of astrophysical interest . in this paper , we examine the global effects of viscosity on differentially rotating , relativistic stars . viscosity can have significant effects on the stabili...
[ { "content": "the main aim of the shapley supercluster survey ( shass ) is to quantify the influence of hierarchical mass assembly on galaxy evolution and to follow such evolution from filaments to cluster cores , identifying the primary location and mechanisms for the transformation of spirals into s0s and des...
[ { "content": "understanding the vacuum structure of qcd is one of the most interesting and intriguing field of research for about thirty years now . \n new signals of non - trivial topological fluctuations in qcd have been proposed in recent times , like chiral magnetic effect @xcite and anomaly induced transp...
[ { "content": "wave interaction problems are of great interest from a theoretical point of view as well as for possible applications in applied sciences . in this framework , \n a prominent role has been played by model evolution equations whose canonical structure allows for exact solutions describing relevant ...
[ { "content": "magnetic reconnection is a fundamental process of breaking and topological rearrangement of magnetic field lines in magnetized plasmas . \n reconnection converts magnetic energy into kinetic and thermal energy and is believed to be responsible for many phenomena observed in the laboratory and cosm...
[ { "content": "what follows is essentially a verbatim transcript of the introductory talk as given at adass , in quebec , on the morning of the first session which happened to be the day before the 2008 u.s \n . presidential elections . \n good morning everybody . \n bonjour , tout le monde . everyone awake ? \...
[ { "content": "at the moment , there are many models of thermonuclear explosion of a star , that lead to the event we know as a type ia supernova ( sn ia ) . \n some of them were discussed in the talk by j.niemeyer @xcite . \n only a few parameters , such as kinetic energy and total @xmath0ni production , can...
[ { "content": "recently , superdeformed ( sd ) rotational bands have been discovered in @xmath1ar , @xmath4ca and @xmath5ti @xcite . \n one of the interesting new features of them is that they are built on excited @xmath6 states and observed up to high spin , in contrast to the sd bands in heavier mass regions w...
[ { "content": "the spin network quantum simulator model @xcite represents a bridge between circuit schemes for standard quantum computation and approaches based on notions from topological quantum field theories ( tqft ) @xcite . the spin network computational space , naturally modelled as a graph for any fixe...
[ { "content": "microtubules are polar linear polymers that perform major organizational tasks in living cells @xcite . through a unique feature of microtubule assembly , \n termed dynamic instability @xcite , they function as molecular machines @xcite that move cellular structures during processes such as cell r...
[ { "content": "realizing chiral symmetry on the lattice is a problem with a long history . in 1975 \n wilson decided to break chiral symmetry explicitly in order to remove the unwanted doubler fermions @xcite . as a result , \n recovering chiral symmetry with wilson fermions requires fine - tuning as well as tak...
[ { "content": "a mono - layer of graphite sheet , called graphene , has attracted growing interests recently.@xcite graphene exhibits a dirac cone with a linear dispersion at the corner of the first brillouin zone , resulting in a variety of novel transport phenomena of electrons . \n they stimulate theoretical ...
[ { "content": "large amounts of interstellar gas can be removed from the main disks of spiral galaxies by four main processes : tides due to the gravitational force of a companion , ram pressure stripping during a near - head - on collision between gas - rich galaxies , ram pressure stripping by intracluster gas...
[ { "content": "single - wall carbon nanotubes ( swnts ) are quasi one - dimensional wires of great interest for future electronic - devices applications \n . a swnt can be constructed by rolling up a graphene sheet and its geometry is univocally specified by a pair of chiral indexes @xmath2 @xcite . \n the rela...
[ { "content": "absorption due to highly ionized oxygen and elements of similar atomic number ( e.g. o vii , viii , ne x ) is commonly found in the soft x - ray spectra of active galactic nuclei ( agns ) ( halpern 1984 ; nandra & pounds , 1994 ; reynolds , 1997 ; george @xmath2 1998 ) . high resolution x - ray...
[ { "content": "the study of submanifolds with constant mean curvature , i.e. , @xmath4 submanifolds , and , in particular , that of @xmath4 surfaces in @xmath0-dimensional spaces , represents a very active research topic in differential geometry for more than @xmath7 years . \n there are several ways to generali...
[ { "content": "at this point we consider the union of all small fibers . for the remainder of the paper , we consider an arbitrarily chosen but fixed @xmath22 . \n we call a nonempty fiber * small * if its diameter is less than @xmath21 . \n let @xmath17 be a continuous map where @xmath18 . \n given three points...
[ { "content": "the significant role played by processes involving neutrinos in core - collapse supernovae ( type ii supernovae ) is well known @xcite . until the core reaches densities of @xmath2 , a substantial amount of the gravitational energy of the collapse \n is radiated by neutrinos that leave the star f...
[ { "content": "this conference on the disk - halo interaction in galaxy evolution has been a showcase for many exciting new results in a broad spectrum of galactic and extragalactic research . later in this summary \n i will briefly consider the significance of some of these results , and how they show the way f...
[ { "content": "the currently standard hierarchical clustering paradigm for large scale structure formation in a @xmath0cdm universe has successfully confronted a broad variety of observations , ranging from the formation of galaxy clusters , to large scale velocity fields , to power spectra of the galaxy distrib...
[ { "content": "stimulated brillouin scattering ( sbs ) is a nonlinear and self - amplifying interaction between guided optical waves and hypersound waves in waveguides @xcite . \n the scattering of light from mechanical vibrations was first predicted by brillouin in 1922 @xcite ; the stimulated version of this...