id
int64
0
10k
input
stringlengths
518
4.15k
output
stringlengths
0
2.03k
8,700
suppose that you have an abstract for a scientific paper we have obtained high a resolution a high a a a near a us a blue spectra of of very metal a poor stars a a be a a a a with subaru a has a and measured the abundances of elements from a to the a the metallicity range of the observed stars is a be a a a a as found ...
a a a a a a a a a a a a
8,701
suppose that you have an abstract for a scientific paper results on diffraction from the fermilab betatron collider obtained by the cd ii collaboration using data from collisions at. 96 tel are reviewed and compared with theoretical expectations a implications for predictions of exclusive highs boson production rates a...
a sec a diets a a a the cd collaboration has reported several results on soft and hard diffraction processes from collisions at the fermilab betatron using rapidity gaps and a or a leading antiproton as a signature for diffraction a fig a a
8,702
suppose that you have an abstract for a scientific paper in the framework of seminar a k factorization a cd approach a we consider the differential cross sections of meson production at hera a the consideration is based on bill and com gluon distributions a we find that in the case of bill to gluon distribution the the...
it is known that the summation excite of the terms ^n,;$ a ^n;$ a and ^n$ a in she results in the so called integrated gluon distribution a a which determines the probability to find a gluon carrying the longitudinal momentum fraction and transverse momentum at the probing scale a it obeys the bill equation excite and ...
8,703
suppose that you have an abstract for a scientific paper we study opportunistic interference management when there is busty interference in parallel -user linear deterministic interference channels a a degraded message set communication problem is formulated to exploit the business of interference in subcarriers alloca...
nevertheless a it is practical to assume that a subcarrier allocated to a user does not face interference in every channel instantiation a thus a there is a scope for harnessing such a busty a
8,704
suppose that you have an abstract for a scientific paper we present a study by linear stability analysis and large a scale monte carlo simulations of a simple model of biological coevolution a selection is provided through a reproduction probability that contains quenched a random intersperses interactions a while gene...
a large class of coevolution models have been inspired by one introduced by back and stephen excite a in which species with different levels of fitness a compete a and the least fit species and those that interact with it are regularly mutated a and replaced by new species with different a randomly chosen fitness a mod...
8,705
suppose that you have an abstract for a scientific paper we calculate the magnetization torque due to the spin polarization of the itinerant electrons by deriving the kinetic spin bloch equations based on themodel a we find that the first a order gradient of the magnetization inhomogeneity gives rise to the current a i...
from the first a order gradient of the magnetization inhomogeneity a we obtain the current a induced torques which are consistent to the above log equation a within the second a order gradient a we find that the log equation should be modified and written as the second a order gradient introduces two contributions to t...
8,706
suppose that you have an abstract for a scientific paper we extend the investigation of the gravitational collapse of a spherically symmetric yang a mills field in einstein gravity and show that a within the black hole regime a a new kind of critical behavior arises which separates black holes formed via type i collaps...
dynamical evolutions a solutions of the full partial differential equations of motion a a in tandem with analytic and perturbative calculations have given us a reasonable understanding of many of the phenomenological details of critical behavior in collapse a a see excite for an excellent review of the subject a a in l...
8,707
suppose that you have an abstract for a scientific paper in this paper we address the problem of a particle moving in singular one dimensional potentials in the framework of quantum mechanics with minimal length a using the momentum space representation we solve exactly the schrodinger equation for the dirac delta pote...
one major consequence of the up is the appearance of minimal uncertainties in position indoor momentum leading to an us a in mixing a which allows to probe short distance physics a us a from long distance one a in a a a minimal uncertainty in position or minimal length has appeared in different context like string theo...
8,708
suppose that you have an abstract for a scientific paper over the last few years a the sloan digital sky survey a sass a has discovered several hundred quasars with redshift between 4.0 and 6.4 a including the effects of magnification bias a one expects a prior that an appreciable fraction of these objects are gravitat...
the sass to date has published the discovery of over 200 quasars with redshifts greater than 3.6 a fan it al a 2001b a anderson it al a 2001
8,709
suppose that you have an abstract for a scientific paper we study the prediction of solar flare size and time a to a flare using of features describing magnetic complexity of the photospheric magnetic field a this work uses support vector regression to formulate a mapping from the 38-dimensional feature space to a cont...
complex coronal field configurations store the energy that is released as a solar flare a several researchers have studied the use of poisson statistics to relate flare rate of different active region a a a classes a edge a mcintosh or mount wilson classes a to probability of observing a cd a my a or a a class flare ex...
8,710
suppose that you have an abstract for a scientific paper internal mechanism leading to the emergence of the widely occurring noise still remains an open issue a in this paper we investigate the distinction between internal time of the system and the physical time as a source of noise a after demonstrating the appearanc...
a short discussion about the models and theories of noise is available in the introduction of paper excite a widely used model of noise interprets the spectrum as a superposition of lorentzians with a wide range distribution of relaxation times excite a another possibility to model signals and processes featuring noise
8,711
suppose that you have an abstract for a scientific paper the logarithmic violations of the area law a item an area law a with logarithmic correction of the form a for entanglement entropy are found in both cd hapless fermion systems with fermi points and for high dimensional free fermions a the purpose of this work is ...
the area law is one of the most important results on entanglement entropy a it states that the entanglement entropy is proportional to the area of the surface separating two subsystems a however a thus far there are two important classes of systems that violate the area law a in hapless one dimensional a cd a systems a...
8,712
suppose that you have an abstract for a scientific paper an optical shutter based on charged particles is presented a the output light intensity of the proposed device has an intrinsic dependence on the interparticle spacing between charged particles a which can be controlled by varying voltages applied to the control ...
a the image does not need to be refreshed until rewritten and a therefore a a low level of power consumption is expected for still images a unfortunately a for motion pictures a the disability has no advantages in power savings over nonbistable technologies such as liquid crystal displays a lids a a plasma display pane...
8,713
suppose that you have an abstract for a scientific paper we consider a simple toy model of a regular bouncing universe a the bounce is caused by an extra time a like dimension a which leads to a sign flip of the term in the effective four dimensional randall sundry a like description a we find a wide class of possible ...
this makes matching conditions a necessity excite which are a unfortunately a rather ambiguous a in addition a fluctuations often become non perturbative near a singularity excite a in the few toy models of regular bouncing cosmologies known in the literature
8,714
suppose that you have an abstract for a scientific paper chord diagrams on circles and their intersection graphs a also known as a circle graphs a a have been intensively studied a and have many applications to the study of knots and knot invariants a among others a however a chord diagrams on more general graphs have ...
a natural extension of knot theory is to look at spatial embeddings of more complex graphs a and it is natural to ask whether some analogue of chord diagrams could be equally useful in this context a the goal of this paper is to define a reasonable notion of chord diagram for general graphs a and to construct some tool...
8,715
suppose that you have an abstract for a scientific paper exclusive semileptonic decays into excited charmed mesons are investigated at order in the heavy quark effective theory a differential decay rates for each felicity state of the four lightest excited mesons a a a a and a are examined a at zero recoil a correction...
the use of heavy quark symmetry resulted in a dramatic improvement in our understanding of the spectroscopy and weak decays of hadrons containing a single heavy quark a a in the limit where the heavy quark mass goes to infinity a a such hadrons are classified not only by their total spin a but also by the spin of their...
8,716
suppose that you have an abstract for a scientific paper a review of the present knowledge on polarized parton distributions is given a the effects of perturbative evolution on these distributions are discussed qualitatively and a comparison of various recent parametrization is made a dtp/95/78 a september 1995 a 1.cm ...
these distributions are intrinsic a nonperturbative features of the nucleon a and can therefore at present only be determined from a fit to the structure function data a some insight can however be gained from thermodynamical models excite or from the light a cone wavefunctions of parsons in the nucleon excite a
8,717
suppose that you have an abstract for a scientific paper in a new hi imaging survey of virgo galaxies a viva a la imaging of virgo galaxies in atomic gas a a we find a spiral galaxies with long hi tails a the morphology varies but all the tails are extended well beyond the optical radii on one side a these galaxies are...
these results have led to the concept that galaxies may already be affected by their environment well before they fall into the dense cluster core a a are a processing a a a while many processes have been suggested to affect galaxies in the cluster environment such as ram a pressure stripping excite a starvation excite...
8,718
suppose that you have an abstract for a scientific paper high resolution observations of solar filaments suggest the presence of groups of prominence threads a item the fine a structures of prominences a which oscillate coherently a in phase a a in addition a mass flows along threads have been often observed a here a w...
high a resolution observations of solar filaments reveal that they are formed by a myriad of horizontal structures called threads a edge a a a a a a a a which have been observed in the spines and barbs of both active region and quiescent filaments excite a
8,719
suppose that you have an abstract for a scientific paper in the minimal gauge model with a global a a symmetry and a discrete symmetry a it is found that the interplay between neutrinos and charged leptons contained in triplets of = a a a a =1,2,3 a naturally leads to the large mixing angle a la a mss solution a the mo...
the difference arises in their oscillation scales denoted by for atmospheric neutrinos and for solar neutrinos a which are specified by ev and ev a thereby a indicating a hierarchy of a neutrino oscillations arise for massive neutrinos excite a
8,720
suppose that you have an abstract for a scientific paper the chemical composition of exoplanet host stars is an important factor in understanding the formation and characteristics of their orbiting planets a the best example of this to date is the planet a metallicity correlation a other proposed correlations are thus ...
2010 a a being the weakest for terrestrial a sized planets a edge a buchhave it al a if host star metallicity is considered a proxy for heavy element concentration in the protoplanetary disk a this planet mass dependence seems to support the core accretion process of planet formation a as a larger concentration of heav...
8,721
suppose that you have an abstract for a scientific paper spectra a position a magnitudes and color are presented for 485 faint a a emission line objects selected with the ultraviolet a excess a us a criterion on a area of 24.6 deg in the south galactic pole a the objects were selected from the analysis of pixel a to a ...
this kind of studies are mainly based on the most statistically significant so samples such us the durham a at so sample a boyle it al a 1990 a at faint magnitudes a a a and the bright so survey a schmidt a green 1983 a a the large bright so survey a hewlett it al a 1995 a a the edinburgh us so survey a goldschmidt it ...
8,722
suppose that you have an abstract for a scientific paper the electron transport of different conical valleys is investigated in grapheme with extended line a defects a intriguingly a the electron with a definite incident angle can be completely modulated into one conical valley by a resonator which consists of several ...
many researchers have studied the effects related to disorder in graphene, which consists of adsorbed atoms a or molecules a a charged impurities a vacancies a or other topological defects a it is anticipated to modify the transport property of pristine grapheme to fulfill the requirement a
8,723
suppose that you have an abstract for a scientific paper we theoretically propose how to observe topological effects in a generic classical system of coupled harmonic oscillators a such as classical pendulum or lumped a element electric circuits a whose oscillation frequency is modulated fast in time a making use of el...
while the study of real materials is usually complicated a the essential physics of various topological phenomena can be captured through simple lattice models a perhaps the most famous of these is the harper a hofstadter a he a model of a charged electron hopping on a cd tight a binding square lattice in a uniform mag...
8,724
suppose that you have an abstract for a scientific paper we present high resolution a a imaging of the photo a planetary nebula angl 2688 in the co a j=21 a line using the iraq interferometer a the observations reveal with unprecedented detail the structure and the kinematics of the gas ejected by the star over the pas...
angl 2688 a the a egg nebula a a is one of the prime examples of a pin which has evolved from the age phase about a hundred years ago a jura a kyoto 1990 a a the nearly circular slowly expanding age envelope a with a diameter of about a is shocked by a warm a optically thin a fast wind a edge a young it al a
8,725
suppose that you have an abstract for a scientific paper we propose a number of variational regularisation methods for the estimation and decomposition of motion fields on the -sphere a while motion estimation is based on the optical flow equation a the presented decomposition models are motivated by recent trends in i...
the particular dataset we are working with in this article depicts a living zebrafish embryo during early embryogenesis a main feature of this dataset are the embryo a endoderm cells a which have been labelled with a fluorescent protein and are known to develop on the surface of the zebrafish a spherical yolk a see fig...
8,726
suppose that you have an abstract for a scientific paper we have studied the a a ray emission within the inner pc radius of not 4151 by constructing high spatial resolution emission line images of blended vii a viii a and neil a these maps show extended structures that are spatially correlated with the radio outflow an...
a a a a a a a a a a a a
8,727
suppose that you have an abstract for a scientific paper a new satellite based test of special and general relativity is proposed a for the michelson morley experiment we expect an improvement of at least three orders of magnitude a and for the kennedy thorndike experiment an improvement of more than one order of magni...
is mandatory a modern tests of or and or using ultrastable oscillators have been performed on earth excite a and an experiment is planned on the international space station excite a
8,728
suppose that you have an abstract for a scientific paper in a quark a quark a antiquary picture of pentaquarks a we use two interpolating currents to calculate the mass of the recently measured state in the framework of cd sum rules a we show that a even though yielding similar values for a and close to the experimenta...
instants generate strong attractive quark a quark interactions with the formation of low mass quarks a which a in turn a lead to relatively low mass pentaquarks a this was verified in excite a excite and excite a moreover a in excite a it was shown that the dad configuration may lead to strongly suppressed transition a...
8,729
suppose that you have an abstract for a scientific paper the nuclei that constitute a crystalline lattice a oscillate relative to each other with a very low energy that is not sufficient to penetrate through the coulomb barriers separating them a an additional energy a which is needed to tunnel through the barrier and ...
therefore a the obvious way to fuse the nuclei is to raise the temperature of their mixture a in this way the so called thermos a nuclear reactions happen in the stellar bodies a in nuclear weapons a and in the tokamak a
8,730
suppose that you have an abstract for a scientific paper in this paper a we propose three novel and important methods for the registration of histological images for cd reconstruction a first a possible intensity variations and nonstandardness in images are corrected by an intensity standardization process which maps t...
typically a a cd volume is reconstructed by registering a aligning a the cd sections with respect to a chosen reference and stacking successive aligned sections excite a as the acquisition processes of different cd histological images are performed independently a slice misalignment and deformation is often unavoidable...
8,731
suppose that you have an abstract for a scientific paper a abstract a a in the framework of a relativistic variant bethe a salter model for the quark a antiquary system we present a renewed determination of the cabbie a kobayashi a mascara matrix element a complementing an earlier analysis applied to the whole decay sp...
a fruitful method to extract from exclusive decays is to reparameterize the decay data in such a way that they may be fitted by a smooth a edge a linear a function of a where a and is the momentum transfer a doing so it is possible to extrapolate to the point of zero recoil of the -meson a item a a that is not directly...
8,732
suppose that you have an abstract for a scientific paper we propose the implementation of a light source a which can deterministically generate a rich variety of multi a mode quantum states a the desired states are encoded in the collective population of different ground hyperfine states of an atomic ensemble and conve...
an efficient method to prepare general quantum states of light deterministically would constitute a significant step forward for optical quantum information processing a there are a number of different strategies to produce non a classical states of light a
8,733
suppose that you have an abstract for a scientific paper we find that relative locality a a recently proposed planck a scale deformation of special relativity a suffers from the existence of causal loops a a simple and general construction of such on a shell loop processes is studied a we then show that even in one of ...
now we can write the conservation law associated with any interaction vertex as a non a linear equation a for example a a three vertex can be written as a
8,734
suppose that you have an abstract for a scientific paper in this paper we examine the interaction of a a and states a together with their coupled channels a using a mapping from the light meson sector a the assumption that the heavy quarks act as spectators at the quark level automatically leads us to the results of th...
the molecular picture stands on firm grounds once the use of chiral unitary theory in the light quark sector a or its extension through the local hidden gauge approach a has shown that many masonic and harmonic resonances are dynamically generated from the interaction of more elementary hadron components excite a conce...
8,735
suppose that you have an abstract for a scientific paper based on the interaction between a three a level system and a microtoroidal resonator a we present a scheme for long a distance quantum communication in which entanglement generation with near 0.5 success probability and swaps can be implemented by accurate state...
of a a of a a 203 a 2005 a a of giovannetti a a a science a 306 a a 1330 a 2004 a a
8,736
suppose that you have an abstract for a scientific paper unevenly spaced time series are common in astronomy because of the day a night cycle a weather conditions a dependence on the source position in the sky a allocated telescope time a corrupt measurements a for example a or be inherent to the scanning law of satell...
a a a the descriptive statistics such as the mean a variance a higher central moments and robust equivalents a they can summarize essential features of signals in a few numbers employing straightforward computations a which makes them excellent precursors of more detailed analyses like modelling and classification a
8,737
suppose that you have an abstract for a scientific paper we present a derivation of the low energy lagrangian governing the dynamics of the spin degrees of freedom in a senior bose condensate a for any phase in which the average magnetization vanishes a this includes all phases found within mean a field treatments exce...
intrinsic a aspects of ultracold atomic gases not dependent on the specifics of the experimental setting are qualitatively novel a however a and without antecedent in the study of condensed matter a in this latter category we may place the possibility of spontaneous ordering of the spin degrees of freedom in a bose gas...
8,738
suppose that you have an abstract for a scientific paper a a plus 1000pt minus 1000pt a a a of to a 1#2#1#2 a 1#2#3 a a a 1#2 a a a 1#1| a of a a a 1#1 a of a of a of a 1#1^ a a 1#2#3 a 1#2#3#4 a 1#2 a 1#2#3#4#5 a a a 1 a 1.5ex plus opt a of addtoresetequationsection normalsizesetsizexiipt plus3pt minus3pt plus3.5pt mi...
headings a 1#2#3-phys a lett a a a a 119#2#3 a 1#2#3-z a
8,739
suppose that you have an abstract for a scientific paper we have observed of edge a on galaxies in the air in order to study the stellar distribution in galaxies with box a peanut a shaped bulges a the much smaller amount of dust extinction at these wavelengths allows us to identify in almost all target galaxies with b...
this high frequency must be considered in a theory of bulge formation and especially in scenarios explaining the formation process of a a a bulges a currently discussed theories of bulge formation are primordial or secular evolution scenarios a while monolithic collapse a egger it al a excite a els a a a clumpy collaps...
8,740
suppose that you have an abstract for a scientific paper in this work a we consider the problem of boundary stabilization for a quasilinear system of first a order hyperbolic pres a we design a new full a state feedback control law a with actuation on only one end of the domain a which achieves exponential stability of...
more recently a an approach using control lyapunov functions has been developed a for systems excite and systems excite a these results use only static output feedback a the output being the value of the state on the boundaries a a
8,741
suppose that you have an abstract for a scientific paper we present a theoretical investigation into the two a center interference in aligned h a the influence of the laser field on the recombination step is investigated by comparing laser a induced harmonic generation with harmonic generation from field a free collisi...
first a the electron tunnels out under the influence of the laser field a and then it propagates freely in the laser field and can be driven back to the nucleus a where it can finally recombine a hug has been used to generate coherent xiv radiation excite a
8,742
suppose that you have an abstract for a scientific paper we present an iterative scheme a reminiscent of the multigrain method a to solve large boundary value problems with probabilistic domain decomposition a add a a in it a increasingly accurate approximations to the solution are used as control variates in order to ...
the idea is to divide into a set of overlapping subdomains a a and have processor solve the restriction of the partial differential equation a de a to the subdomain a but because the solution is not known in the first place a an initial guess has to be made at start a in order to give processor a well a posed a yet inc...
8,743
suppose that you have an abstract for a scientific paper an analysis of the photometric observations of the light curves of the five large amplitude a irregularly pulsating stars a uni a is cyl a a can a us dry and so her is presented a first a multi a periodicity is eliminated for these pulsations a they are not cause...
a can has been reported to have two closely spaced periods a loser it al a 1986 a kiss it al a
8,744
suppose that you have an abstract for a scientific paper a robust numerical method called the preconditioned by a conjugate gradient a are a big a method is proposed for the solution of radiative transfer equation in spherical geometry a a variant of this method called stabilized preconditioned by a conjugate gradient ...
a for historical reviews a a excite a excite developed a variable eddington factor method a and computed the solution on rays of constant impact parameter a tangents to the discrete shells and parallel to line of sight a in cd spherical geometry a
8,745
suppose that you have an abstract for a scientific paper let be a natural number a and let be a set:=$ a a we study the problem to find the smallest possible size of a maximal family of subsets of a a such that contains only sets whose size is in a and for all a item is an antichain a we present a general construction ...
it is well known that a family of sets is an antichain if and only if its dual is a a completely separating system a a ass a a a ass is a collection of blocks of a a such that for each a a there are blocks with and a the dual of a flat antichain on k a cup $ a is a a fair ass a a
8,746
suppose that you have an abstract for a scientific paper we have analysed a sample of satellite and primary galaxies in the of galaxy redshift survey a in our study we find a strong statistical evidence of the goldberg effect a that is a tendency for satellites to avoid regions along the line defined by the primary pla...
there are several works that explore the characteristics of systems of satellites a goldberg a 1969 a found that the distribution of galaxy satellites presents a lack of objects within of the primary disk plane a a a
8,747
suppose that you have an abstract for a scientific paper the local atomic structure of an amorphous nizr alloy was investigated using the anomalous wide a angle a a ray scattering a was a a differential anomalous scattering a as a and reverse monte carlo a rec a simulations techniques a the was measurements were perfor...
due to the lack of translational symmetry a the determination of their atomic structures involves the combination of different diffraction and spectroscopic techniques as well as simulations and modelling a the structure of an amorphous binary alloy is described by three pair correlation functions a which are the fouri...
8,748
suppose that you have an abstract for a scientific paper the detector material cadmium zinc telluride a cut a achieves excellent spatial resolution and good energy resolution over a broad energy range a several key up to some me a presently a there are two main methods to grow cut crystals a the modified high a pressur...
this burst alert telescope makes use of the coded mask technique to localize grabs with an accuracy of a a a admin a it is built out of an array of 32,768 co a planar 2 mm cut detectors covering a total area of 0.5 m
8,749
suppose that you have an abstract for a scientific paper the a zero forcing number a of a graph is the minimum cardinality of a set of black vertices a whereas vertices in are coloured white a such that is turned black after finitely many applications of the a classical a color change rule a a a white vertex is convert...
denote by the initial set of black vertices of a the color change rule a changes the color of a vertex from white to black if is the only white neighbour of a black vertex a in this case a we say that a forces a and write a the initial black set is said to be zero forcing a if a after finitely many applications of the ...
8,750
suppose that you have an abstract for a scientific paper we study an asymmetric form of two a mode entangled coherent state a pcs a a where the two local amplitudes have different values a for testing the bell a clause a horne a simony a holt a bell a cash a inequality a we find that the asymmetric cess have obvious ad...
a proof a of a principle demonstration of quantum teleportation using an pcs as a quantum channel was performed excite a so far a most of the studies on cess have considered symmetric types of two a mode states where the local amplitudes have the same value a
8,751
suppose that you have an abstract for a scientific paper in the cold dark matter a hereafter cd a scenario even isolated density peaks contain a high fraction of small scale clumps having velocities larger than the average escape velocity from the structure a these clumps populate protoclusters a especially in the peri...
the problem of collapse has been investigated from two points of view a namely a i a that of the statistical distribution of the objects formed ii a that of the structure of these objects and its dependence on the statistical properties of the primordial density field a in the spherical accretion model introduced by ho...
8,752
suppose that you have an abstract for a scientific paper we study corruption as a generalized epidemic process on the graph of social relationships a the main difference to classical epidemic processes is the strong nonlinear dependence of the transmission probability on the local density of corruption and the mean fie...
the first is in the sense of microeconomics and incorporates game theoretic aspects a for a recent model in this direction see the book by steinrcken excite and the references therein a or rules for maximizing a certain economically based profit functional a a a then a set of differential equations for the evolution of...
8,753
suppose that you have an abstract for a scientific paper we study theoretically the interplay effect of german field and modulated spin a orbit coupling on topological properties of a one a dimensional dimerized lattice a known as us a schrieffer a seeger model a we find that in the weak a strong a modulated spin a orb...
one a dimensional a cd a heterostructures excite consisting of ingredients such as superconductors a topological insulators a spin a orbit coupled semiconductors and ferromagnet can support topologically nontrivial phases hosting a for instance a non a belgian majorca bound states at zero energy levels excite and fract...
8,754
suppose that you have an abstract for a scientific paper models of leptonic flavour with discrete symmetries can provide an attractive explanation of the pattern of elements found in the leptonic mixing matrix a the next generation of neutrino oscillation experiments will allow the mixing parameters to be tested to a n...
models based on this principle have been shown to be able to derive the observed structure of the pins matrix from a small set of assumptions a these models generally propose a discrete symmetry a a edge a or a which is broken spontaneously a leaving residual symmetries amongst the leptonic mass terms a
8,755
suppose that you have an abstract for a scientific paper we examine the amplitude of the rotation velocity that can be attributed to the dark matter halos of disk galaxies a focusing on well measured intermediate radii a the data for of galaxies spanning a large range of mass and hubble types a taken together a are con...
2004 a serge it al a an important question is whether this cosmic paradigm provides a satisfactory description of spiral galaxies a
8,756
suppose that you have an abstract for a scientific paper the intention of this paper is to estimate a bayesian distribution a free chain ladder a decl a model using approximate bayesian computation a acc a methodology a we demonstrate how to estimate quantities of interest in claims reserving and compare the estimates ...
moreover a it allows for the study of prediction uncertainties a note that there are different stochastic models that lead to the cd reserves a see for example which a mere excite a section 3.2 a a in the present paper
8,757
suppose that you have an abstract for a scientific paper serigraph list homomorphism problems a also known as list matrix partition problems a have generated recent interest a partly because there are concrete problems that are not known to be polynomial time solvable or -complete a thus while a digraph a list homomorp...
a weak a respectively strong a edge is called a a weak a a respectively a strong a loop a at a the a adjacency matrix a of a serigraph a with respect to an enumeration of its vertices a is the matrix over a in which if is not an edge a if is a weak edge a and if is a strong edge a
8,758
suppose that you have an abstract for a scientific paper theoretical approaches to the photoionization of few a electron atoms are discussed a these include nonequilibrium greens functions and wave function based approaches a in particular a the multiconfiguration time a dependent hatred a rock method is discussed and ...
interaction of laser radiation with matter has been actively studied in recent years using a quantum kinetic theory which was derived using nonequilibrium greens functions a neg a methods a edge excite a in contrast a application of neg to single atoms has only recently been attempted excite a while the ground state pr...
8,759
suppose that you have an abstract for a scientific paper we study finite order invariants of null a homotopic immersions of a closed printable surface into an spherical printable manifold a we give the foundational constructions a and classify all order one invariants a a section a a thmlemma a thmproposition a thmcoro...
we develop the foundations for the study of finite order invariants in our setting a as has been done in of for the case a and analogous to chord diagrams and the term and term relations in knot theory a a we then classify all order a invariants a
8,760
suppose that you have an abstract for a scientific paper it has been observed that the famous feigenbaum a collet a dresser period doubling universality has a counterpart for area a preserving maps of a a renormalization approach has been used in a computer a assisted proof of existence of an area a preserving map with...
excite a excite a excite a and in hamiltonian flows, a excite a excite a excite a excite a excite a excite a excite a it has been established that the universal behavior in dissipative and conservative higher dimensional systems is fundamentally different a
8,761
suppose that you have an abstract for a scientific paper non perturbative results from lattice cd will be discussed a namely a vacuum condensates and cd sum rules a and topology a confinement of color a a and you have already written the first three sentences of the full article cd is usually quantized perturbative a t...
any observable is computed as a power series expansion in the normalized coupling constant where are finite amplitudes a the expansion eq2 a is not convergent a not even as an asymptotic series a
8,762
suppose that you have an abstract for a scientific paper we have measured the dynamics of individual magnetic fluids entering and leaving photolithographically patterned thin film rings of the underdone high a temperature superconductor bi a using a variable sample temperature scanning squid microscope a these results ...
such phase changes can be produced either by the momentum dependence of an unconventional superconducting order parameter a excite or by magnetic interactions in the tunnelling region of a josephson weak link in the ring. -rings are an ideal model system for the using antiferromagnet a since they have a degenerate a ti...
8,763
suppose that you have an abstract for a scientific paper it is shown for two electron atoms that ground a state wavefunctions of the form where and are the coordinates of two electrons and a can be made highly accurate by optimizing a and a this is done by solving a variational derived equation for for a given and and ...
the various forms used for the wavefunctions are those by hylleraas a chandrasekhar and kinoshita a as an example of how these forms incorporate the effect of electron a electron interaction a we consider the chandrasekhar wavefunction for two a electron atom given as where and are the parameters to be optimized and is...
8,764
suppose that you have an abstract for a scientific paper we review the nature of some well a known phenomena such as volatility smiles a convexity adjustments and parallel derivative markets a we propose that the market is incomplete and postulate the existence of an intrinsic risk in every contingent claim as a basis ...
a a volatility smiles a a a in a nutshell a vanilla options with different maturities and strikes have different volatilities implied by the well a known formula of excite a implied volatility is quoted as the market expectation about the average future volatility of the underlying asset over the remaining life of the ...
8,765
suppose that you have an abstract for a scientific paper we use 62,185 quasars from the sloan digital sky survey dry sample to explore the relationship between black hole mass and luminosity a black hole masses were estimated based on the widths of their h a mail a and civ lines and adjacent continuum luminosities usin...
the sultan argument excite suggests black hole masses are largely accounted for via growth due to luminous accretion a there are far fewer quasars at low redshift excite a implying that at some point a such cease their luminous accretion a
8,766
suppose that you have an abstract for a scientific paper the disk embedding lemma is a technique underlying the topological classification results in -manifold topology for good fundamental groups a the purpose of this paper is to develop new tools for disk embedding that work up to -cobordism a without restrictions on...
the starting point for the construction is a transverse pair of framed spheres in a -manifold a typically in the applications the transverse pairs have algebraically trivial intersections a
8,767
suppose that you have an abstract for a scientific paper we present the observed relation between a the cosmic microwave background a cab a temperature decrement due to the sundae a zeldovich a so a effect a and a the a a ray luminosity of galaxy clusters a we discuss this relation in terms of the cluster properties a ...
a 1998 a outbid a blanchard 1997 a bacall a fan a cen 1997 a a however a most of the important conclusions from such studies are dependent on the accuracy of used scaling relations between the cluster properties a such as the cluster a a ray luminosity a total mass a gas mass a and the electron temperature a independen...
8,768
suppose that you have an abstract for a scientific paper i review the current status of understanding the mechanism of the nonmesonic weak decays a new a of hypernuclei a long standing problem on the ratio has been solved by considering short a range weak interactions properly a this leaves a few remaining problems a s...
a a we have seen a marvellous development both in experimental and theoretical hypernuclear physics a it has accomplished fairly good description of the strong a electromagnetic and weak interactions of hyperon in nuclear medium a especially a series of new experimental data on the weak decays have lead us to a nearly ...
8,769
suppose that you have an abstract for a scientific paper in the beginning of the 1950 a a wigner introduced a fundamental deformation from the canonical quantum mechanical harmonic oscillator a which is nowadays sometimes called a wigner quantum oscillator or a paradise oscillator a also a in quantum mechanics the so a...
this algebraic description can be translated to a description by means of wave functions a in the position representation a for example a the operator corresponds to multiplying functions by the variable and the heisenberg operator equations correspond to schrodinger a equation a the solutions of which are expressed th...
8,770
suppose that you have an abstract for a scientific paper we analyse intermediate degree a pm and a f--mode eigenfrequencies measured by gong and mid a soho for a complete solar cycle to study their correlation with solar activity a we demonstrate that the frequencies do vary linearly with the activity a however the deg...
in addition a excite found a year a wise distribution in linear a regression slopes a i of the change in frequency per unit change in activity a and the degree of correlation a thus a with the availability of continuous data for a complete solar cycle a it is important to study correlations of oscillation frequencies w...
8,771
suppose that you have an abstract for a scientific paper metropolis simulations of all a atom models of peptides a item small proteins a are considered a inspired by the funnel picture of bryngelson and wellness a a transformation of the updating probabilities of the dihedral angles is defined a which uses probability ...
molecular dynamics a my a technics a for a review see excite a tend to be the method of first choice for simulations of biomolecules a one of the attractive features of my is that it allows to follow the physical time evolution of the system under investigation a
8,772
suppose that you have an abstract for a scientific paper a family of spherical shells with varying thickness is derived by using a simple newtonian potential a density pair a then a a particular isotropic form of a metric in spherical coordinates is used to construct a general relativistic version of the newtonian fami...
give a brief review of some of these models and also discuss shells which admit closed equations of state a including non a linear polytropic models a an exact solution of a static shell surrounding a black hole was obtained by excite a and the stability of such a configuration against radial perturbations was studied ...
8,773
suppose that you have an abstract for a scientific paper starting from a model of of a electron generated quadrupole densities on a compressible acc lattice a the elastic anomalies at the phase transition are studied by means of analytical theory a the model is taken as representative for the phase transition in be a t...
the isostructural nature of the transition is at variance with the landau theory of phase transitions excite which would require a change of space group symmetry a since the establishing of the acc structure for both phases excite various microscopic theories have been proposed a nowadays two theoretical models are wel...
8,774
suppose that you have an abstract for a scientific paper we show that for a heavy vector a like quark model with a down type isosinglet a branching ratio for decay is enhanced by more than as compared to that in the standard model when cd corrections to next a to a leading order are incorporated a in a left a right sym...
the absence of flavour changing neutral currents a funds a at the tree level allows the possibility of virtual new physics particles to be present in the loop level diagrams that contribute to these processes a detailed study of rare charm decays was performed in ref a
8,775
suppose that you have an abstract for a scientific paper we study the condo effect of a quantum dot placed in a complex mesoscopic structure a assuming that electronic interactions are taking place solely on the dot a and focusing on the infinite hubbard interaction limit a we use a decoupling scheme to obtain an expli...
excite recent experiments on a cd embedded on one branch of the aharonov a boom interferometer excite created additional interest in condo effects in a complex networks while the high- behavior of the siam can be adequately described by perturbation theory or poor a man scaling a excite and the low- behavior is describ...
8,776
suppose that you have an abstract for a scientific paper a number of calculations have appeared for the bose a einstein condensation temperature a a of a weakly repulsive dilute bose gas a after a short survey of previous work a i point out several issues related to these approaches a and outline future calculations a ...
have been reported by various authors a a here is the scattering length a a
8,777
suppose that you have an abstract for a scientific paper the very short and bright flare of pc 279 detected with a fermi--lat in 2013 december is tested by a model with stochastic electron acceleration by turbulence a our time a dependent simulation shows that the very hard spectrum and asymmetric light curve are succe...
a a a a a a a a a in other cases an orphan flare in a certain wavelength was detected a edge a a a a
8,778
suppose that you have an abstract for a scientific paper we study a chaotic ratchet system under the influence of a thermal environment a by direct integration of the sindbad equation we are able to analyse its behavior for a wide range of couplings with the environment a and for different finite temperatures a we obse...
the subject grew into a major new field of statistical physics a on the other hand a the wealth of possible applications has determined the emergence of a very broad area of research in physics a
8,779
suppose that you have an abstract for a scientific paper we study the decays of top squares a a and bottom squares a a in the minimal supersymmetric standard model a mss a with complex parameters and a we show that including the corresponding phases strongly affects the branching ratios of and decays in a large domain ...
for example a the decay branching ratios of the status and -sneutrino can be quite sensitive to the complex phases of the star and gauging a higgins sectors excite a therefore a in a complete phenomenological analysis of production and decays of the busy particles one has to take into account that a and can be complex ...
8,780
suppose that you have an abstract for a scientific paper combining thermodynamic measurements with theoretical density functional and thermodynamic calculations we demonstrate that the honeycomb lattice primates a a i a are magnetically ordered mott insulators where the magnetism of the effective spin a orbital s=1/2 m...
the li sample was dissolved in excess lick flux at 850 for a hrs and then cooled to 590 at a a or a after washing majority of the lick flux with de a ionized water we obtained a fine black powder which turned out to be highly ordered li polycrystalline samples a this powder was pelletier and sin tired at 900 for of hrs...
8,781
suppose that you have an abstract for a scientific paper we investigate the nonlinear interaction between a relativistically strong laser beam and a plasma in the quantum regime a the collective behavior of the electrons is modelled by a klein a gordon equation a which is nonlinear coupled with the electromagnetic wave...
the interaction of large amplitude electromagnetic waves with the plasma can lead to various parametric instabilities excite a at laser intensities around and above a the nonlinearity associated with relativistic electron mass increase in short laser pulses plays a significant role a
8,782
suppose that you have an abstract for a scientific paper consider the construction of an object composed of parts by distributing units to those parts a for example a say we are assigning balls to boxes a each assignment results in a certain count vector a specifying the number of balls allocated to each box a if only ...
a there are possible assignments in all a and many of them can lead to the same count vector a we refer to these assignments as the a realizations a of the count vector a
8,783
suppose that you have an abstract for a scientific paper we present a homogeneous catalogue for blue straggler a red giant branch a horizontal branch and main a sequence turn a off stars in a sample of of clusters taken from the as survey for globular clusters a as a result of the superior photometry and relatively lar...
a a a a a a a a a a a a
8,784
suppose that you have an abstract for a scientific paper we study a class of supergravity inflationary models in which the evolution of the inflation dynamics is controlled by a single power in the inflation field at the point where the observed density fluctuations are produced a in the context of the braneworld scena...
excite a a it seems worthwhile to reexamine inflationary models in light of map results a as they may give us further insight into the very early universe a supergravity inflationary models are particularly important as supersymmetry a or its local version a supergravity a is the only known way to avoid the hierarchy p...
8,785
suppose that you have an abstract for a scientific paper chalet surfaces provide a rich source of geometrically rational surfaces which do not always satisfy the hassle principle a we investigate the frequency that such counter a examples arise over the rationals a a and you have already written the first three sentenc...
the chalet surfaces that we consider are proper smooth models of affine surfaces where a a is a separable polynomial of degree or a for these surfaces it follows from work of collect a thine a sans and swinnerton a dyer excite that all failures of the hassle principle are accounted for by the bauer main obstruction a a...
8,786
suppose that you have an abstract for a scientific paper the temperature induced phase transition is investigated in the one a component scalar field model on a lattice by using monte carlo simulations a using the gpgpu technology a huge amount of data is collected that gives a possibility to determine the line a weinb...
however a the lack of the expansion parameter happens near the phase transition temperature for various kind summations a so a it is impossible to draw a reliable conclusion about the transition type even for small values of the coupling constant a in ref.
8,787
suppose that you have an abstract for a scientific paper we study the stability a instability of the subsonic travelling waves of the nonlinear schrodinger equation in dimension one a our aim is to propose several methods for showing instability a use of the grillakis a sarah a strauss theory a proof of existence of an...
several nonlinearities may be encountered in physical situations a gives rise to the focusing a refocusing cubic a nos a a to the so called gross a pitaevskii equation a a see excite for bose a einstein condensates a a more generally a pure power a the of cubic a quintic of a nos a a see excite a a where and a and are ...
8,788
suppose that you have an abstract for a scientific paper crane and frankel proposed a state sum invariant for triangulated manifolds a they defined and used new algebraic structures called hope categories for their construction a crane and better studied hope categories and gave some examples using group cycles that ar...
a the following progress has been made a quantum spin networks were generalized by crane a better excite to give -manifold invariants that were based on yogurt a proposal excite a
8,789
suppose that you have an abstract for a scientific paper using various relativistic mean a field models a including the nonlinear ones with meson field self a interactions a those with density a dependent meson a nucleon couplings a and the point a coupling models without meson fields a we have studied the isospin a de...
the ultimate goal of such study is to extract information on the isospin dependence of in a medium nuclear effective interactions as well as the equation of state a eos a of isospin asymmetric nuclear matter a particularly its isospin a dependent term or the density dependence of the nuclear symmetry energy a this know...
8,790
suppose that you have an abstract for a scientific paper we consider a reaction a diffusion equation in narrow random channels a we approximate the generalized solution to this equation by the corresponding one on a random graph a by making use of large deviation analysis we study the asymptotic wave front propagation ...
a a a a a a a a a a a a
8,791
suppose that you have an abstract for a scientific paper observable effects due to trembling motion a zitterbewegung a of a of charge carriers in player grapheme a monolayer grapheme and carbon nanotube are calculated a it is shown that a when the charge carriers are prepared in the form of gaussian wave packets a the ...
excite a a on the other hand a lock excite in his important paper observed a such a wave is not localized and it seems to be of a limited practicality to speak of rapid fluctuations in the average position of a wave of infinite extent using the dirac equation lock showed that a when an electron is represented by a wave...
8,792
suppose that you have an abstract for a scientific paper we present linear spectropolarimetric data for eight herein be and four herein a stars at h a h and h a changes in the linear polarisation are detected across all palmer lines for a large fraction of the observed objects a confirming that the small a scale region...
in addition a herein a a be stars are the most massive stars with a visible are a main sequence phase a to lauri stars have relatively strong magnetic fields excite and these fields have important physical effects on the accretion flow a
8,793
suppose that you have an abstract for a scientific paper a a long unicorn a in a graph is an edge that is the unique chord of some cycle of length at least a a a graph is a long a unicorn a free a if it does not contain any long a unicorn a we prove a structure theorem for long a unicorn a free graph a we give an -time...
it is clear that for every graph a a while the converse inequality is false in general a the smallest example is the cordless cycle on five vertices a a let be any function from to a
8,794
suppose that you have an abstract for a scientific paper the current status of neutrino cosmology is reviewed a from the question of neutrino decoupling and the presence of sterile neutrinos to the effects of neutrinos on the cosmic microwave background and large scale structure a particular emphasis is put on cosmolog...
the absolute value of neutrino masses are very difficult to measure experimentally a on the other hand a mass differences between neutrino mass eigenstates a a can be measured in neutrino oscillation experiments a
8,795
suppose that you have an abstract for a scientific paper in this paper we present a new approach to control variates for improving computational efficiency of ensemble monte carlo a we present the approach using simulation of paths of a time a dependent nonlinear stochastic equation a the core idea is to extract inform...
time a dependent nonlinear processes are very general models used a among others a in statistical mechanics excite a data assimilation in climate a weather and ocean modelling excite a financial modelling excite a and quantitative biology excite a hence developing efficient my methods may significantly impact a wide ra...
8,796
suppose that you have an abstract for a scientific paper we investigate the intrinsic abundance ratio of to c and the a a factor in l1551 using the nobeyama radio observatory a no a of a telescope a l1551 is chosen because it is relatively isolated in the taurus molecular cloud shielded from fun photons a providing an ...
in contrast a the self a shielding effect of c is relatively less significant because of the shift of its absorption lines and its low abundance a therefore a the fun emission with energy above the c dissociation level is expected to penetrate relatively deeper in a molecular cloud a and the abundance ratio of and c a ...
8,797
suppose that you have an abstract for a scientific paper in a recent series of three papers a belokurov a evans a a be do a 2002 a 2004 a a and evans a belokurov a 2004 a a reanalyses the macho collaboration data and gave alternative sets of microlensing events and an alternative optical depth to microlensing toward th...
they did a careful efficiency analysis a including the effect of blending in their crowded fields and found a best fit macho halo fraction of 20% a at 95% cd a a which corresponds to an optical depth of a it is important to realize that the macho estimate of dark matter halo fraction depended crucially on the use of st...
8,798
suppose that you have an abstract for a scientific paper we demonstrate a simple scheme for high a resolution imaging of nanoplasmonic structures that basically removes most of the resolution limiting allowed light usually transmitted to the far field a this is achieved by implementing a fourier lens in a near a field ...
apps are strongly modified by local changes of their environment at the nanoscale and it is therefore critical to find efficient methods to probe the interaction of apps with nanostructures a this constitutes the central motivation of the present work a in this context
8,799
suppose that you have an abstract for a scientific paper we examine spectral properties of doped holes dressed with surrounding spin cloud in themodel a these composite a hole excitations well characterize prominent band structures in the angle a resolved photoemission spectrum a in one a dimensional a cd a case at hal...
therein a the electronic band dispersion splits into the pinon and colon branches a and this is called the spin a charge separation a they are collective excitations a not the quasiparticles a in cd case