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we consider data transmission through a time - selective, correlated ( first - order markov ) rayleigh fading channel subject to an average power constraint. the channel is estimated at the receiver with a pilot signal, and the estimate is fed back to the transmitter. the estimate is used for coherent demodulation, and... | arxiv:0908.1264 |
simultaneous simulation of hxr and mw emission with the same populations of electrons is still a great challenge for interpretation of observations in real events. in this paper we apply the fp kinetic model of precipitation of electron beam with energy range from 12 kev to 1. 2 mev to the interpretation of x - ray and... | arxiv:1105.3508 |
the in - medium properties of the vector mesons are known to be modified significantly in hot and dense hadronic matter due to vacuum polarisation effects from the baryon sector in the walecka model. the vector meson mass drops significantly in the medium due to the effects of the dirac sea. in the variational approach... | arxiv:nucl-th/0201042 |
the map - reduce computing framework rose to prominence with datasets of such size that dozens of machines on a single cluster were needed for individual jobs. as datasets approach the exabyte scale, a single job may need distributed processing not only on multiple machines, but on multiple clusters. we consider a sche... | arxiv:1610.09058 |
byzantine fault tolerant ( bft ) protocols play a pivotal role in blockchain technology. as the deployment of such systems extends to wide - area networks, the scalability of bft protocols becomes a critical concern. optimizations that assign specific roles to individual replicas can significantly improve the performan... | arxiv:2502.15428 |
pre - trained language models ( plms ) like bert have made great progress in nlp. news articles usually contain rich textual information, and plms have the potentials to enhance news text modeling for various intelligent news applications like news recommendation and retrieval. however, most existing plms are in huge s... | arxiv:2102.04887 |
we compare a gromov hyperbolic metric with the hyperbolic metric in the unit ball or in the upper half space, and prove sharp comparison inequalities between the gromov hyperbolic metric and some hyperbolic type metrics. we also obtain several sharp distortion inequalities for the gromov hyperbolic metric under some fa... | arxiv:2006.04087 |
we consider physical processes caused by the twisted photons for a wide range of energy scales, from optical ( ev ) to nuclear ( mev ) to high - energy gamma - rays ( tev ). we demonstrate that in order to satisfy angular momentum conservation, absorption of a twisted photon leads to a transverse recoil of the final pa... | arxiv:2007.05816 |
animatable 3d reconstruction has significant applications across various fields, primarily relying on artists ' handcraft creation. recently, some studies have successfully constructed animatable 3d models from monocular videos. however, these approaches require sufficient view coverage of the object within the input v... | arxiv:2403.11427 |
the noether charge method for defining the hamiltonian of a diffeomorphism - invariant field theory is applied to " einstein - aether " theory, in which gravity couples to a dynamical, timelike, unit - norm vector field. using the method, expressions are obtained for the total energy, momentum, and angular momentum of ... | arxiv:gr-qc/0509121 |
graph motif, defined as the microstructure that appears repeatedly in a large graph, reveals important topological characteristics of the large graph and has gained increasing attention in power system analysis regarding reliability, vulnerability and resiliency. however, searching motifs within the large - scale power... | arxiv:2412.05957 |
referring video object segmentation aims to predict foreground labels for objects referred by natural language expressions in videos. previous methods either depend on 3d convnets or incorporate additional 2d convnets as encoders to extract mixed spatial - temporal features. however, these methods suffer from spatial m... | arxiv:2206.03789 |
a separate pool of p { \ displaystyle p } balls is : p − 1 p ( k b ) ( n − k k − b ) ( n k ) { \ displaystyle { p - 1 \ over p } { k \ choose b } { n - k \ choose k - b } \ over { n \ choose k } } = = minimum number of tickets for a match = = it is a hard ( and often open ) problem to calculate the minimum number of ti... | https://en.wikipedia.org/wiki/Lottery_mathematics |
denoising diffusion probabilistic models ( ddpms ) have gained great attention in adversarial purification. current diffusion - based works focus on designing effective condition - guided mechanisms while ignoring a fundamental problem, i. e., the original ddpm sampling is intended for stable generation, which may not ... | arxiv:2411.18956 |
in this paper we construct for every integer $ n > 1 $ a complex manifold of dimension $ n $ which is exhausted by an increasing sequence of biholomorphic images of $ \ mathbb c ^ n $ ( i. e., a long $ \ mathbb c ^ n $ ), but it does not admit any nonconstant holomorphic or plurisubharmonic functions. furthermore, we i... | arxiv:1511.05075 |
a study of 12 ultracompact hii regions was conducted to probe the physical conditions and kinematics in the inner envelopes of the molecular clumps harboring them. the apex telescope was used to observe the sources in the co ( 4 - 3 ) and 13co ( 8 - 7 ) lines. line intensities were modeled with the ratran radiative tra... | arxiv:astro-ph/0605668 |
internet of things ( iot ) systems are recently being employed in various types of critical infrastructure, including integrated rescue systems, healthcare, defence, energy and other fields. recently, the security and safety of iot systems, in general, has been questioned by a number of studies. raised concerns do not ... | arxiv:2205.13576 |
we obtain a generalization of the low theorem for non - abelian boson emission in collision of scalar and gauge vector particles and its extension to high energy collisions for small transverse momenta of produced particles. we demonstrate that in the case of particles with spin the direct extension the low formula to ... | arxiv:hep-ph/9503428 |
we present a comprehensive mathematical study of the magneto - telluric ( mt ) method, on bounded domain in $ \ mathbb { r } ^ 3 $. we show that electrical conductivity and magnetic permeability, assumed to be $ c ^ 2 $, can be uniquely recovered from mt data measured on the boundary of the domain. the proof is based o... | arxiv:2012.00149 |
we provide sample complexity upper bounds for agnostically learning multivariate gaussians under the constraint of approximate differential privacy. these are the first finite sample upper bounds for general gaussians which do not impose restrictions on the parameters of the distribution. our bounds are near - optimal ... | arxiv:2010.09929 |
significant scientific and technological progress in the field of spintronics is based on trilayer magnetic tunnel junction devices which principally rely on the physics of single barrier tunneling. while technologically relevant devices have been prototyped, the physics of single barrier tunneling poses ultimate limit... | arxiv:1801.09409 |
the ratio set of a set of positive integers $ a $ is defined as $ r ( a ) : = \ { a / b : a, b \ in a \ } $. the study of the denseness of $ r ( a ) $ in the set of positive real numbers is a classical topic and, more recently, the denseness in the set of $ p $ - adic numbers $ \ mathbb { q } _ p $ has also been invest... | arxiv:1808.00374 |
recently, unsupervised local learning, based on hebb ' s idea that change in synaptic efficacy depends on the activity of the pre - and postsynaptic neuron only, has shown potential as an alternative training mechanism to backpropagation. unfortunately, hebbian learning remains experimental and rarely makes it way into... | arxiv:2102.00428 |
all - dielectric resonant micro - and nano - structures made of the high - index dielectrics recently emerge as a promising sers platform which can complement or potentially replace the metal - based counterparts in routine sensing measurements. these unique structures combine the highly - tunable optical response and ... | arxiv:1802.09783 |
representation engineering ( repe ) is a novel paradigm for controlling the behavior of llms. unlike traditional approaches that modify inputs or fine - tune the model, repe directly manipulates the model ' s internal representations. as a result, it may offer more effective, interpretable, data - efficient, and flexib... | arxiv:2502.19649 |
wire - grid polarisers are versatile and scalable components which can be engineered to achieve small sizes and extremely high extinction ratios. yet the measured performances are always significantly below the predicted values obtained from numerical simulations. here we report on a detailed comparison between theoret... | arxiv:1508.04355 |
by using the valon model, we calculate the transverse momentum distribution functions, tmds, inside the nucleon. tmds indicate the probability to find partons with spin aligned ( anti - aligned ) to the transversely polarized nucleon. the results are in good agreements with all available experimental data and also glob... | arxiv:1401.1295 |
the effective low - energy models of the hubbard model are usually derived from perturbation theory. here we derive the effective model of the hubbard model in spin space and t - j space using a unitary transformation from numerical optimization. we represent the hamiltonian as matrix product state ( mpo ) and represen... | arxiv:1908.03979 |
end - to - end speech translation ( e2e - st ) has received increasing attention due to the potential of its less error propagation, lower latency, and fewer parameters. however, the effectiveness of neural - based approaches to this task is severely limited by the available training corpus, especially for domain adapt... | arxiv:2205.11211 |
an effect of overlapping of exhausted regions around droplets of a new phase is analyzed. several approximation to take overlapping into account are suggested. the small parameter responsible for convergence is extracted. the multi particle effects of overlapping are described. | arxiv:0709.1724 |
the outer disk of the lmc is studied in order to unveil clues about its formation and evolution. complementing our previous studies in innermost fields ( 3 < r < 7 kpc ), we obtained deep color magnitude diagrams in 6 fields with radius from 5. 2 to 9. 2 kpc. the comparison with isochrones shows that while the oldest p... | arxiv:1106.3418 |
for a family $ \ mathcal { f } $ of subsets of a finite set, define $ \ mathcal { d } ( \ mathcal { f } ) = \ { f \ setminus f ' : f, f ' \ in \ mathcal { f } \ } $. a family $ \ mathcal { f } $ is called intersecting if $ f \ cap f ' \ not = \ emptyset $ for all $ f, f ' \ in \ mathcal { f } $. frankl \ cite { frankl ... | arxiv:2410.23723 |
the results of a single - crystal x - ray - diffraction study of the evolution of crystal structures of vi3 with temperature with emphasis on phase transitions are presented. some related specific - heat and magnetization data are included. the existence of the room - temperature trigonal crystal structure r - 3 ( 148 ... | arxiv:1909.04459 |
in this paper, we examine a scenario in which late - time cosmic acceleration might arise due to the coupling between baryonic matter and dark matter without the presence of extra degrees of freedom. in this case, one can obtain late - time acceleration in jordan frame and not in einstein frame. we consider two differe... | arxiv:1711.06321 |
condition imposed on the nonlinear terms of a nonlinear diffusion equation with { r } obin boundary condition is the main focus of this paper. the degenerate parabolic equations, such as the { s } tefan problem, the { h } ele - - { s } haw problem, the porous medium equation and the fast diffusion equation, are include... | arxiv:1802.02755 |
for a connected smooth projective curve $ x $ of genus $ g $, global sections of any line bundle $ l $ with $ \ deg ( l ) \ geq 2g + 1 $ give an embedding of the curve into projective space. we consider an analogous statement for a berkovich skeleton in nonarchimedean geometry, in which projective space is replaced by ... | arxiv:1612.01098 |
in the mssm with complex parameters, loop corrections to the decay of a stop into a bottom quark and a chargino can lead to a cp violating decay rate asymmetry. we calculate this asymmetry at full one - loop level and perform a detailed numerical study, analyzing the dependence on the parameters and complex phases invo... | arxiv:0912.4675 |
heterogeneous nanoscale particles released by cells known as extracellular vesicles ( evs ) are actively investigated for early disease detection1, monitoring2, and advanced therapeutics3. due to their extremely small size, the stable trapping of nano - sized evs using diffraction - limited optical tweezers4 has been m... | arxiv:2302.07370 |
state - of - the - art physics experiments require high - resolution, low - noise, and low - threshold detectors to achieve competitive scientific results. however, experimental environments invariably introduce sources of noise, such as electrical interference or microphonics. the sources of this environmental noise c... | arxiv:2311.01131 |
in the last decade cherenkov telescopes on the ground and space - based \ gamma - ray instruments have identified a new class of high mass x - ray binaries ( hmxb ), whose emission is dominated by \ gamma rays. to date only five of these systems are known. all of them are detected by cherenkov telescopes in the tev ene... | arxiv:1211.6142 |
the fundamental question is how the hyperon plays a role in the nuclear structure. it is of particular importance, especially in the light mass region, to verify the structure change when $ \ lambda $ particle ( s ) is added to normal nuclei. the ground state of $ ^ { 8 } $ be has been know to have a well - developed $... | arxiv:2301.01878 |
vector boson scattering ( vbs ) and vector boson fusion ( vbf ) studies in pp collisions at 7 and 8 tev center of mass energy based on data recorded by the cms detector at the lhc in 2011 and 2012 are reported. | arxiv:1409.2990 |
training deep neural networks for image recognition often requires large - scale human annotated data. to reduce the reliance of deep neural solutions on labeled data, state - of - the - art semi - supervised methods have been proposed in the literature. nonetheless, the use of such semi - supervised methods has been q... | arxiv:2208.00544 |
viral kinetics have been extensively studied in the past through the use of spatially homogeneous ordinary differential equations describing the time evolution of the diseased state. however, spatial characteristics such as localized populations of dead cells might adversely affect the spread of infection, similar to t... | arxiv:q-bio/0402012 |
we present photometry and spectroscopy of four hydrogen - poor luminous supernovae discovered during the two - month science commissioning and early operations of the zwicky transient facility ( ztf ) survey. three of these objects, sn2018bym ( ztf18aapgrxo ), sn2018avk ( ztf18aaisyyp ) and sn2018bgv ( ztf18aavrmcg ) r... | arxiv:1910.02968 |
reflection at an interface separating two different media is a rather universal phenomenon which arises because of wave mismatching at the interface. by means of supersymmetric quantum mechanics methods, it is shown that a fully transparent interface can be realized, connecting two isospectral but different one - dimen... | arxiv:1306.0677 |
convolutional neural networks ( cnns ) have become the dominant neural network architecture for solving visual processing tasks. one of the major obstacles hindering the ubiquitous use of cnns for inference is their relatively high memory bandwidth requirements, which can be a main energy consumer and throughput bottle... | arxiv:1909.11481 |
we investigate the behaviour of the linear - response coefficients, when in - plane electric field ( $ \ mathbf e $ ) or / and temperature gradient ( $ \ nabla _ { \ mathbf r } t $ ) is / are applied on a two - dimensional semimetal harbouring anisotropic dirac cones. the anisotropy is caused by ( 1 ) differing fermi v... | arxiv:2412.13978 |
we consider oblique incidence of ( p ) tm - polarized wave on the anisotropic superconducting slab, immersed on a dielectric media, such that its uniaxial ( c ) axis is perpendicular to the surfaces. the below and above plasma frequency transmissivity patterns are studied and several of its properties determined, withi... | arxiv:cond-mat/9706184 |
recent quantum oscillation measurements on underdoped cuprates are shown to be consistent with the predictions of a mean field theory of the 1 / 8 magnetic antiphase stripe order proposed to occur in high - $ t _ c $ cuprates. in particular, for intermediate values of the stripe order parameter, the magneto - transport... | arxiv:0709.0106 |
we carry our numerical simulations of athermally sheared, bidisperse, frictionless disks in two dimensions. from an appropriately defined velocity correlation function, we determine that there are two diverging length scales, $ \ xi $ and $ \ ell $, as the jamming transition is approached. we analyze our results using ... | arxiv:2004.09311 |
we investigate the structural and thermodynamic properties of a new class of patchy colloids, referred to as inverse patchy colloids ( ipcs ) in their fluid phase via both theoretical methods and simulations. ipcs are nano - or micro - meter sized particles with differently charged surface regions. we extend convention... | arxiv:1412.4492 |
the recent revelation that there are correlated period derivative and pulse shape changes in pulsars has dramatically changed our understanding of timing noise as well as the relationship between the radio emission and the properties of the magnetosphere as a whole. using gaussian processes we are able to model timing ... | arxiv:1803.02819 |
clinical notes contain information about patients that goes beyond structured data like lab values and medications. however, clinical notes have been underused relative to structured data, because notes are high - dimensional and sparse. this work develops and evaluates representations of clinical notes using bidirecti... | arxiv:1904.05342 |
in this paper, we present a novel iterative monte carlo method for approximating the stationary probability of a single state of a positive recurrent markov chain. we utilize the characterization that the stationary probability of a state $ i $ is inversely proportional to the expected return time of a random walk begi... | arxiv:1312.1986 |
the critical behavior of a model with n - vector complex order parameter and three quartic coupling constants that describes phase transitions in unconventional superconductors, helical magnets, stacked triangular antiferromagnets, superfluid helium - 3, and zero - temperature transitions in fully frustrated josephson ... | arxiv:cond-mat/9809306 |
understanding plant growth dynamics is essential for applications in agriculture and plant phenotyping. we present the growth modelling ( gromo ) challenge, which is designed for two primary tasks : ( 1 ) plant age prediction and ( 2 ) leaf count estimation, both essential for crop monitoring and precision agriculture.... | arxiv:2503.06608 |
we present a phase - plane analysis of cosmologies containing a barotropic fluid with equation of state $ p _ \ gamma = ( \ gamma - 1 ) \ rho _ \ gamma $, plus a scalar field $ \ phi $ with an exponential potential $ v \ propto \ exp ( - \ lambda \ kappa \ phi ) $ where $ \ kappa ^ 2 = 8 \ pi g $. in addition to the we... | arxiv:gr-qc/9711068 |
old paper on the abstract scattering theory ( st ) of periodic hamiltonians. updating of the references and correction of some minor non - mathematical misprints by h. c. rosu. | arxiv:1212.2931 |
higher repetition - rate optical pulse trains have been desired for various applications such as high - bit - rate optical communication, photonic analogue - to - digital conversion, and multi - photon imaging. generation of multi ghz and higher repetition - rate optical pulse trains directly from mode - locked oscilla... | arxiv:1806.10784 |
we give a unified construction of quantum groups, q - boson algebras and quantized weyl algebras and an action of quantum groups on quantized weyl algebras. this enables us to give a conceptual proof of the semi - simplicity of the category $ \ mathcal { o } ( b _ q ) $ introduced by t. nakashima and the classification... | arxiv:1004.0171 |
this paper investigates the design and performance of delayed bit - interleaved coded modulation ( dbicm ) with low - density parity - check ( ldpc ) codes. for gray labeled square $ m $ - ary quadrature amplitude modulation ( qam ) constellations, we investigate the optimal delay scheme with the largest spectrum effic... | arxiv:2103.02105 |
we investigate the occurrence and nature of naked singularities in the szekeres space - times. these space - times represent irrotational dust. they do not have any killing vectors and they are generalisations of the tolman - bondi - lemaitre space - times. it is shown that in these space - times there exist naked sing... | arxiv:gr-qc/9605033 |
recently, lembert, gilson et al proposed a lucid and systematic approach to obtain bilinear b \ " { a } cklund transformations and lax pairs for constant - coefficient soliton equations based on the use of binary bell polynomials. in this paper, we would like to further develop this method with new applications. we ext... | arxiv:1008.4194 |
let $ \ mathcal { l } $ be the noncrossing partition lattice associated to a finite coxeter group $ w $. in this paper we construct explicit bases for the top homology groups of intervals and rank - selected subposets of $ \ mathcal { l } $. we define a multiplicative structure on the whitney homology of $ \ mathcal { ... | arxiv:2206.05721 |
the equation of motion for a domain wall coupled to gravitational field is derived from the nambu - goto action. the domain wall is treated as a source of gravitational field. the perturbed equation is also obtained with gravitational back reaction on the wall motion taken into account. for general spherically symmetri... | arxiv:gr-qc/9802036 |
for odd $ n \ geq 5 $, we establish a short exact sequence about motivic double zeta values $ \ zeta ^ { \ mathfrak { m } } ( r, n - r ) $ with $ r \ geq3 $ odd, $ n - r \ geq2 $. from this we classify all the relations among depth - graded motivic double zeta values $ \ zeta ^ { \ mathfrak { m } } ( r, n - r ) $ with ... | arxiv:1710.02244 |
with the exponential growth of the unmanned aerial vehicle ( uav ) industry and a broad range of applications expected to appear in the coming years, the employment of traditional radar systems is becoming increasingly cumbersome for uav supervision. motivated by this emerging challenge, this paper investigates the fea... | arxiv:2504.02641 |
clustering properties and peculiar velocities of halos in large - scale structure carry a wealth of cosmological information over a wide range of scales from linear to nonlinear scales. we use halo catalogs in a suite of high - resolution $ n $ - body simulations to construct mock catalogs of galaxies that resemble the... | arxiv:1907.08515 |
we provide an overview of the results we have attained in the last decade on the identification of quantum structures in cognition and, more specifically, in the formalization and representation of natural concepts. we firstly discuss the quantum foundational reasons that led us to investigate the mechanisms of formati... | arxiv:1503.02994 |
we develop a cohomological method to classify amalgams of groups. we generalize this to simplicial amalgams in any concrete category. we compute the non - commutative 1 - cohomology for several examples of amalgams defined over small simplices. | arxiv:1509.04679 |
the fermion condensate ( fc ) is investigated for a ( 2 + 1 ) - dimensional massive fermionic field confined on a truncated cone with an arbitrary planar angle deficit and threaded by a magnetic flux. different combinations of the boundary conditions are imposed on the edges of the cone. they include the bag boundary c... | arxiv:2102.12155 |
to find all extreme points of multimodal functions is called extremum problem, which is a well known difficult issue in optimization fields. applying ant colony optimization ( aco ) to solve this problem is rarely reported. the method of applying aco to solve extremum problem is explored in this paper. experiment shows... | arxiv:0911.3209 |
some recent developments in the phenomenology of the lightest scalar glueball are summarised. tools for determining the gluonic content of a resonance of known mass, width and $ j ^ { pc } $ from its branching fraction in radiative quarkonium decays and production cross section in $ \ gamma \ gamma $ collisions are pre... | arxiv:hep-ph/9610426 |
in open - domain question answering ( odqa ), it is essential to discern relevant contexts as evidence and avoid spurious ones among retrieved results. the model architecture that uses concatenated multiple contexts in the decoding phase, i. e., fusion - in - decoder, demonstrates promising performance but generates in... | arxiv:2404.02581 |
sunward - flowing voids above post - coronal mass ejection ( cme ) flare arcades were first discovered using the soft x - ray telescope ( sxt ) aboard yohkoh and have since been observed with trace ( extreme ultra - violet ( euv ) ), soho / lasco ( white light ), soho / sumer ( euv spectra ), and hinode / xrt ( soft x ... | arxiv:1101.1540 |
in this work we introduce the citrusfarm dataset, a comprehensive multimodal sensory dataset collected by a wheeled mobile robot operating in agricultural fields. the dataset offers stereo rgb images with depth information, as well as monochrome, near - infrared and thermal images, presenting diverse spectral responses... | arxiv:2309.15332 |
artificially engineered geometric phase optical elements may have tunable photonic functionalities owing to sensitivity to external fields, as is the case for liquid crystals based devices. however, a liquid crystal technology combining high - resolution topological ordering with tunable spectral behavior remains elusi... | arxiv:1803.05973 |
we analyse our recently - published velocity measurements of alpha cen a ( butler et al. 2004 ). after adjusting the weights on a night - by - night basis in order to optimize the window function to minimize sidelobes, we extract 42 oscillation frequencies with l = 0 to 3 and measure the large and small frequency separ... | arxiv:astro-ph/0406471 |
we show that the energy - momentum tensor of homogeneous fields of arbitrary spin in an expanding universe is always isotropic in average provided the fields remain bounded and evolve rapidly compared to the rate of expansion. an analytic expression for the average equation of state is obtained for lagrangians with gen... | arxiv:1311.1402 |
we show that the photoassociation ( pa ) rate of ultracold diatomic molecules in the vicinity of a feshbach resonance could be used to probe variations of the electron - to - proton mass ratio $ \ beta = m _ e / m _ p $, a quantity related to other fundamental constants via the $ \ lambda _ { \ mathrm { qcd } } $ scale... | arxiv:1402.0494 |
functional mri ( fmri ) and single - cell transcriptomics are pivotal in alzheimer ' s disease ( ad ) research, each providing unique insights into neural function and molecular mechanisms. however, integrating these complementary modalities remains largely unexplored. here, we introduce scbit, a novel method for enhan... | arxiv:2502.02630 |
inks of permanent markers and water - proof cosmetics create elastic thin films upon application on a surface. such adhesive materials are deliberately designed to exhibit water - repellent behavior. therefore, patterns made up of these inks become resistant to moisture and cannot be cleaned by water after drying. howe... | arxiv:1709.00172 |
we prove that the ls category of the symplectic group $ sp ( n ) $ is bounded above by $ \ binom { n + 1 } { 2 } $. this is achieved by computing the number of critical levels of a height function. | arxiv:1202.5570 |
we study the approximate state preparation problem on noisy intermediate - scale quantum ( nisq ) computers by applying a genetic algorithm to generate quantum circuits for state preparation. the algorithm can account for the specific characteristics of the physical machine in the evaluation of circuits, such as the na... | arxiv:2210.06411 |
decomposition of the evidence lower bound ( elbo ) objective of vae used for density estimation revealed the deficiency of vae for representation learning and suggested ways to improve the model. in this paper, we investigate whether we can get similar insights by decomposing the elbo for semi - supervised classificati... | arxiv:2108.12734 |
the $ k ^ - / k ^ + $ ratio in heavy - ion collisions at gsi energies is studied including the properties of the participating hadrons in hot and dense matter. the determination of the temperature and chemical potential at freeze - out conditions compatible with the ratio $ k ^ - / k ^ + $ is very delicate, and depends... | arxiv:hep-ph/0307009 |
we complete the set of string vertices of non - negative dimension by introducing in a consistent manner those moduli spaces which had previously been excluded. as a consequence we obtain a ` geometrised ' string action taking the simple form $ s = f ( \ b ) $ where ` $ \ b $ ' is the sum of the string vertices. that t... | arxiv:hep-th/9709126 |
let $ s $ be a riemann surface of type $ ( p, n ) $ with $ 3p - 3 + n > 0 $. let $ \ omega $ be a pseudo - anosov map of $ s $ that is obtained from dehn twists along two families $ \ { a, b \ } $ of simple closed geodesics that fill $ s $. then $ \ omega $ can be realized as an extremal teichm \ " { u } ller mapping o... | arxiv:0708.2371 |
the design of research grants has been hypothesized to be a useful tool for influencing researchers and their science. we test this by conducting two thought experiments in a nationally representative survey of academic researchers. first, we offer participants a hypothetical grant with randomized attributes and ask ho... | arxiv:2312.06479 |
in an absorbing or an active host medium characterized by a complex refractive index $ n _ 2 = n _ 2 ' + { \ rm i } n _ 2 ' ' $, our previously developed modified dipole long - wave approximation ( mlwa ) is shown to essentially overly with the exact mie theory results for spherical nanoparticle with radius $ a \ lesss... | arxiv:2405.08903 |
we report first results from a series of n - body / gasdynamical simulations designed to study the origin of galaxy morphologies in a cold dark matter - dominated universe. the simulations include star formation and feedback and have numerical resolution sufficiently high to allow for a direct investigation of the morp... | arxiv:astro-ph/0202466 |
current vision language pretraining models are dominated by methods using region visual features extracted from object detectors. given their good performance, the extract - then - process pipeline significantly restricts the inference speed and therefore limits their real - world use cases. however, training vision la... | arxiv:2301.07236 |
conventional visualization tools such as phase diagrams and convex hulls are ill - suited to visualize multiple principal element alloys ( mpeas ) due to their large compositional space that cannot be easily projected onto two dimensions. here, symplex plots are introduced to enable the visualization of various propert... | arxiv:2504.03973 |
we revisit a recent discussion about the boundary condition at the origin in the schroedinger radial equation for central potentials. using a slight modification of the usual spherical coordinates, the origin of a previously reported dirac delta function term at the origin is clearly shown up. as a consequence, a vanis... | arxiv:1305.2782 |
we investigate the time neutral formulation of quantum cosmology of gell - mann and hartle. in particular we study the proposal discussed by them that our universe corresponds to the time symmetric decoherence functional with initial and final density matrix of low entropy. we show that our universe does not correspond... | arxiv:gr-qc/9301005 |
in this work, we consider the particle - hole random phase approximation ( phrpa ), an approximation to the correlation energy in electronic structure, and show that the phrpa energy of the h2 molecule correctly dissociates. that is, as the hydrogen atoms are pulled apart, the phrpa energy of the system converges to tw... | arxiv:2210.04593 |
simulated annealing - based ontology matching ( sanom ) participates for the second time at the ontology alignment evaluation initiative ( oaei ) 2019. this paper contains the configuration of sanom and its results on the anatomy and conference tracks. in comparison to the oaei 2017, sanom has improved significantly, a... | arxiv:2006.05219 |
dynamically integrating new or rapidly evolving information after ( large ) language model pre - training remains challenging, particularly in low - data scenarios or when dealing with private and specialized documents. in - context learning and retrieval - augmented generation ( rag ) face limitations, including their... | arxiv:2503.08727 |
tate introduced in [ ta71 ] the notion of tate algebras to serve, in the context of analytic geometry over the - adics, as a counterpart of polynomial algebras in classical algebraic geometry. in [ cvv19, cvv20 ] the formalism of gr { \ " o } bner bases over tate algebras has been introduced and advanced signature - ba... | arxiv:2102.05324 |
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