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we study chaotic dynamics in two - dimensional conformal field theory through out - of - time order thermal correlators of the form $ \ langle w ( t ) vw ( t ) v \ rangle $. we reproduce bulk calculations similar to those of [ 1 ], by studying the large $ c $ virasoro identity block. the contribution of this block to t... | arxiv:1412.5123 |
recent neural network models for algorithmic tasks have led to significant improvements in extrapolation to sequences much longer than training, but it remains an outstanding problem that the performance still degrades for very long or adversarial sequences. we present alternative architectures and loss - terms to addr... | arxiv:2003.08494 |
or may be published separately. some users are satisfied with the bundled apps and need never install additional applications. the system software manages the hardware and serves the application, which in turn serves the user. application software applies the power of a particular computing platform or system software ... | https://en.wikipedia.org/wiki/Computing |
in multi - phase fluid flow, fluid - structure interaction, and other applications, partial differential equations ( pdes ) often arise with discontinuous coefficients and singular sources ( e. g., dirac delta functions ). these complexities arise due to changes in material properties at an immersed interface or embedd... | arxiv:1806.10593 |
in this paper we outline the application of decomposition to condensation defects and their fusion rules. briefly, a condensation defect is obtained by gauging a higher - form symmetry along a submanifold, and so there is a natural interplay with notions of decomposition, the statement that d - dimensional quantum fiel... | arxiv:2208.05982 |
in this letter, as a proof of concept, we propose a deep learning - based approach to attack the chaos - based image encryption algorithm in \ cite { guan2005chaos }. the proposed method first projects the chaos - based encrypted images into the low - dimensional feature space, where essential information of plain imag... | arxiv:1907.12245 |
here we report mid infrared ( mid - ir ) photothermal response of multi layer mos2 thin film grown on crystalline ( p - type silicon and c - axis oriented single crystal sapphire ) and amorphous substrates ( si / sio2 and si / sin ) by pulsed laser deposition ( pld ) technique. the photothermal response of the mos2 fil... | arxiv:1607.04682 |
we present multi - color photometry and time resolved spectroscopy of ou vir. the analysis of the quiescent light curve shows that ou vir is characterized by i ) strong cycle - to - cycle brightness variations, and ii ) hot spot modulated light curve with grazing eclipse of the impact region. colors are derived both in... | arxiv:astro-ph/0210210 |
we have investigated the structural and magnetic properties of sm ( co0. 7fe0. 1ni0. 12zr0. 04b0. 04 ) 7. 5 melt spun ribbons. samples were arc melted then melt spun at 37 m / s up to 55 m / s to obtain ribbon for powdering. annealing has been performed in argon atmosphere for ( 30 to 75 ) min at ( 600 to 870 ) oc. in ... | arxiv:1112.5334 |
consider a piecewise smooth expanding map of the interval possessing several invariant subintervals and the same number of ergodic absolutely continuous invariant probability measures ( acims ). after this system is perturbed to make the subintervals lose their invariance in such a way that there is a unique acim, we s... | arxiv:1011.5330 |
streets and tian introduced pluriclosed flow and symplectic curvature flow in recent years. here we construct a curvature flow to unify these two flows. we show the short time existence of our flow and exhibit an obstruction to long time existence. | arxiv:1311.7191 |
we study the interval constants that are related to the motions of the sun and the moon, i. e., the qi, intercalation, revolution, and crossing interval constants, in calendars affiliated with the shoushi calendar ( shoushili ), such as datongli and chiljeongsannaepyeon. it is known that those interval constants were n... | arxiv:1311.4735 |
motivated by a problem arising when analysing data from quarantine searches, we explore properties of distributions of sums of independent means of independent lattice - valued random variables. the aim is to determine the extent to which approximations to those sums require continuity corrections. we show that, in cas... | arxiv:1309.7752 |
we show how intrinsic material properties modify light transmission through subwavelength hole arrays on thin metallic films in the thz regime. we compare the temperature - dependent transmittance of au films and mgb $ _ { 2 } $ films. the experimental data is consistent with analytical calculations, and is attributed ... | arxiv:1112.0640 |
sequential data often possesses a hierarchical structure with complex dependencies between subsequences, such as found between the utterances in a dialogue. in an effort to model this kind of generative process, we propose a neural network - based generative architecture, with latent stochastic variables that span a va... | arxiv:1605.06069 |
united states department of justice report by the tort policy working group noted : the use of such invalid scientific evidence ( commonly referred to as ' junk science ' ) has resulted in findings of causation which simply cannot be justified or understood from the standpoint of the current state of credible scientifi... | https://en.wikipedia.org/wiki/Junk_science |
learning generalizable representation and classifier for class - imbalanced data is challenging for data - driven deep models. most studies attempt to re - balance the data distribution, which is prone to overfitting on tail classes and underfitting on head classes. in this work, we propose dual compensation residual n... | arxiv:2308.13165 |
doped holes in cuprates reside pairwise at lattice - defect o atoms but at different sites in the two cuprate families. in the sr - doped lanthanum cuprates, the o atoms occupy anion lattice sites and spread due to coulomb repulsion ( relative to the host lattice ). in the oxygenated cuprates, the o atoms occupy inters... | arxiv:2110.05931 |
quantum frequency conversion serves a key role in the realization of hybrid quantum networks by interfacing between wavelength - incompatible platforms. here we present the first quantum frequency converter connecting visible and telecom domains on a silicon nitride ( sin ) chip, using bragg - scattering four - wave mi... | arxiv:2505.10338 |
the quantum entropy cones ( qec ) for $ w _ n $ states of qubits and $ w _ n ^ d $ states of qudits are computed. these cones emerge as symmetrized quantum entropy cones ( sqec ) for arbitrary $ n $ and $ d $. directed graph models are presented which describe the sqec for $ w _ n $ states and $ w _ n ^ d $ states. mon... | arxiv:2204.04532 |
it is proved that in a commutative unital banach algebra, every non - maximal closed prime ideal is accessible. specifically, it can be represented as the intersection of all closed ideals of the algebra that properly contain it. consequently, all derivations and epimorphisms on commutative unital semi - prime banach a... | arxiv:2505.04849 |
deep anomaly detection models using a supervised mode of learning usually work under a closed set assumption and suffer from overfitting to previously seen rare anomalies at training, which hinders their applicability in a real scenario. in addition, obtaining annotations for x - rays is very time consuming and require... | arxiv:2010.09856 |
dialogue systems capable of social influence such as persuasion, negotiation, and therapy, are essential for extending the use of technology to numerous realistic scenarios. however, existing research primarily focuses on either task - oriented or open - domain scenarios, a categorization that has been inadequate for c... | arxiv:2210.05664 |
periodic forcing of an oscillatory system produces frequency locking bands within which the system frequency is rationally related to the forcing frequency. we study extended oscillatory systems that respond to uniform periodic forcing at one quarter of the forcing frequency ( the 4 : 1 resonance ). these systems posse... | arxiv:patt-sol/9902006 |
we study the superstring theory on pp - wave background with nsns - flux that is realized as the penrose limit of ads _ 3 x s ^ 3 x m ^ 4, where m ^ 4 is t ^ 4 or t ^ 4 / z _ 2 ( ~ k3 ). quantizing this system in the covariant gauge, we explicitly construct the space - time supersymmetry algebra and the complete set of... | arxiv:hep-th/0205200 |
de finetti theorems tell us that if we expect the likelihood of outcomes to be independent of their order, then these sequences of outcomes could be equivalently generated by drawing an experiment at random from a distribution, and repeating it over and over. in particular, the quantum de finetti theorem says that exch... | arxiv:2207.05832 |
as a transient x - ray binary, maxi j1659 - 152 contains a black hole candidate as its compact star. maxi j1659 - 152 was discovered on 2010 september 25 during its only known outburst. previously - published studies of this outburst indicate that maxi j1659 - 152 may have an extreme retrograde spin, which, if confirme... | arxiv:2112.03479 |
multivariate functions of continuous variables arise in countless branches of science. numerical computations with such functions typically involve a compromise between two contrary desiderata : accurate resolution of the functional dependence, versus parsimonious memory usage. recently, two promising strategies have e... | arxiv:2303.11819 |
the mixing of scalar substances in fluid flows by stirring and diffusion is ubiquitous in natural flows, chemical engineering, and microfluidic drug delivery. here, we present a spectral quantum algorithm for scalar mixing by solving the advection - diffusion equation in a quantum computational fluid dynamics framework... | arxiv:2505.10136 |
multi - wavelength images from the hubble space telescope covering the wavelength range 0. 27 - 1. 6 $ \ mu $ m show that the central area of the nearby dwarf galaxy ngc4449 contains several tens of compact sources that are emitting in the hydrogen recombination line pa $ \ beta $ ( 1. 2818 $ \ mu $ m ) but are only ma... | arxiv:2302.11117 |
optical imaging plays a critical role in advancing our understanding of three dimensional dynamics of biological systems. coherent imaging ( ci ) methods exploit spatial phase information, encoded through propagation of coherent signal light emerging from a specimen, to extract a three - dimensional representation of t... | arxiv:1507.06324 |
following the remarkable success of diffusion models on image generation, recent works have also demonstrated their impressive ability to address a number of inverse problems in an unsupervised way, by properly constraining the sampling process based on a conditioning input. motivated by this, in this paper, we present... | arxiv:2305.06077 |
motivated by the topologically insulating ( ti ) circuit of capacitors and inductors proposed and tested in arxiv : 1309. 0878, we present a related circuit with less elements per site. the normal mode frequency matrix of our circuit is unitarily equivalent to the hopping matrix of a quantum spin hall insulator ( qshi ... | arxiv:1410.1243 |
i use recent photometric and stellar velocity dispersion measurements of the super - star - clusters ( sscs ) ngc 1569a and ngc 1705 - 1 to determine their present - day luminosity / mass ( l _ v / m ) ratios. i then use the inferred l _ v / m ratios, together with population synthesis models of evolving star - cluster... | arxiv:astro-ph/9805240 |
astrophysical neutrinos are excellent probes of astroparticle physics and high - energy physics. with energies far beyond solar, supernovae, atmospheric, and accelerator neutrinos, high - energy and ultra - high - energy neutrinos probe fundamental physics from the tev scale to the eev scale and beyond. they are sensit... | arxiv:2203.08096 |
a phase conjugation algorithm for localizing an extended radiating electromagnetic source from boundary measurements of the electric field is presented. measurements are taken over a finite number of frequencies. the artifacts related to the finite frequency data are tackled with $ l _ 1 - $ regularization blended with... | arxiv:1403.5184 |
we consider the orthogonal least - squares ( ols ) algorithm for the recovery of a $ m $ - dimensional $ k $ - sparse signal from a low number of noisy linear measurements. the exact recovery condition ( erc ) in bounded noisy scenario is established for ols under certain condition on nonzero elements of the signal. th... | arxiv:1608.02554 |
we investigate the mass distribution of long gamma - ray burst ( grb ) host galaxies and the redshift distribution of long grbs by considering that long grbs occur in low - metallicity environments. we calculate the upper limit on the stellar mass of a galaxy which can produce long grbs by utilizing the mass - metallic... | arxiv:1406.0568 |
robot localization is a one of the most important problems in robotics. most of the existing approaches assume that the map of the environment is available beforehand and focus on accurate metrical localization. in this paper, we address the localization problem when the map of the environment is not present beforehand... | arxiv:1504.00522 |
in a recent publication we established an analogy between the free energy of a hard sphere system and the energy of an elastic network [ 1 ]. this result enables one to study the free energy landscape of hard spheres, in particular to define normal modes. in this letter we use these tools to analyze the activated trans... | arxiv:cond-mat/0611097 |
code - switching is a prevalent linguistic phenomenon in which multilingual individuals seamlessly alternate between languages. despite its widespread use online and recent research trends in this area, research in code - switching presents unique challenges, primarily stemming from the scarcity of labelled data and av... | arxiv:2403.04872 |
by using schur transformed sequences and dyukarev - stieltjes parameters we obtain a new representation of the resolvent matrix corresponding to the truncated matricial stieltjes moment problem. explicit relations between orthogonal matrix polynomials and matrix polynomials of the second kind constructed from consecuti... | arxiv:1609.04616 |
we consider primal - dual mixed finite element methods for the solution of the elliptic cauchy problem, or other related data assimilation problems. the method has a local conservation property. we derive a priori error estimates using known conditional stability estimates and determine the minimal amount of weakly con... | arxiv:1712.10172 |
management and efficient operations in critical infrastructure such as smart grids take huge advantage of accurate power load forecasting which, due to its nonlinear nature, remains a challenging task. recently, deep learning has emerged in the machine learning field achieving impressive performance in a vast range of ... | arxiv:1907.09207 |
we study the convergence of entropically regularized optimal transport to optimal transport. the main result is concerned with the convergence of the associated optimizers and takes the form of a large deviations principle quantifying the local exponential convergence rate as the regularization parameter vanishes. the ... | arxiv:2102.04397 |
in this paper, we consider the filtering and smoothing recursions in nonparametric finite state space hidden markov models ( hmms ) when the parameters of the model are unknown and replaced by estimators. we provide an explicit and time uniform control of the filtering and smoothing errors in total variation norm as a ... | arxiv:1507.06510 |
in the standard model, the photon emitted in b - > s \ gamma decays is predicted to be left - handed polarized. we discuss the types of new physics which can produce a deviation from this prediction, focusing on the minimal supersymmetric standard model. a new method is proposed for testing these predictions, which mak... | arxiv:hep-ph/0207095 |
in spatially non - compact minisuperpace models, spatial integrals in the hamiltonian and symplectic form must be regularised by confining them to a finite volume $ v _ o $, known as the fiducial cell. as this restriction is unnecessary in the complete theory before homogeneous reduction, the physical significance of t... | arxiv:2211.01268 |
visual place recognition is a challenging task in computer vision and a key component of camera - based localization and navigation systems. recently, convolutional neural networks ( cnns ) achieved high results and good generalization capabilities. they are usually trained using pairs or triplets of images labeled as ... | arxiv:2103.06638 |
we propose a new strategy for applying large pre - trained language models to novel tasks when labeled training data is limited. rather than apply the model in a typical zero - shot or few - shot fashion, we treat the model as the basis for labeling functions in a weak supervision framework. to create a classifier, we ... | arxiv:2205.02318 |
the chelyabinsk meteorite is a highly shocked, low porosity, ordinary chondrite, probably similar to s - or q - type asteroids. therefore, nanoindentation experiments on this meteorite allow us to obtain key data to understand the physical properties of near - earth asteroids. tests at different length scales provide i... | arxiv:1612.07131 |
we give a complete and explicit description of the kinematical data of higher gauge theory on principal 2 - bundles with the string 2 - group model of schommer - pries as structure 2 - group. we start with a self - contained review of the weak 2 - category bibun of lie groupoids, bibundles and bibundle morphisms. we th... | arxiv:1602.03441 |
the macroscopic control of ubiquitous heat flow remains poorly explored due to the lack of a fundamental theoretical method. here, by establishing temperature - dependent transformation thermotics for treating materials whose conductivity depends on temperature, we show analytical and simulation evidence for switchable... | arxiv:1505.00971 |
measurements of the dc transport properties and the low - frequency conductivity noise in films of charge ordered nd _ 0. 5ca _ 0. 5mno _ 3 grown on si subtrate reveal the existence of a threshold field in the charge ordered regime beyond which strong non linear conduction sets in along with a large broad band conducti... | arxiv:cond-mat/9907376 |
we study movable singularities of garnier systems using the connection of the latter with schlesinger isomonodromic deformations of fuchsian systems | arxiv:0907.1834 |
the suspicion that gravity is holographic has been supported mainly by a variety of specific examples from string theory. in this paper, we propose that such a holography can actually be observed in the context of einstein ' s gravity and at least a class of generalized gravitational theories, based on a definite holog... | arxiv:1407.8273 |
we report on robust features of the longitudinal conductivity ( $ \ sigma _ { xx } $ ) of the graphene zero - energy landau level in presence of disorder and varying magnetic fields. by mixing an anderson disorder potential with a low density of sublattice impurities, the transition from metallic to insulating states i... | arxiv:1302.3483 |
a fully conservative sharp - interface method is developed for multiphase flows with phase change. the coupling between two phases is implemented via introducing the interfacial fluxes, which are obtained by solving a general riemann problem with phase change. a novel four - wave model is proposed to obtain an approxim... | arxiv:2110.07995 |
the electron transport layer ( etl ) plays a fundamental role in perovskite solar cells. recently, graphene - based etls have been proved to be good candidate for scalable fabrication processes and to achieve higher carrier injection with respect to most commonly used etls. in this work we experimentally study the effe... | arxiv:1702.04159 |
the electronic and structural properties of zigzag and armchair single - wall carbon nanotubes ( swcnt ) with a single vacancy or two vacancies located at various distances have been obtained within the frame of the density function theory ( dft ) and a molecular dynamics method. it is found that the vacancy defects in... | arxiv:0807.1999 |
in this article we define a natural tropicalization procedure for closed subsets of log - regular varieties in the case of constant coefficients and study its basic properties. this framework allows us to generalize some of tevelev ' s results on tropical compactification as well as hacking ' s result on the cohomology... | arxiv:1309.4011 |
version identification ( vi ) systems now offer accurate and scalable solutions for detecting different renditions of a musical composition, allowing the use of these systems in industrial applications and throughout the wider music ecosystem. such use can have an important impact on various stakeholders regarding reco... | arxiv:2109.15188 |
in recent years, supervised learning with convolutional networks ( cnns ) has seen huge adoption in computer vision applications. comparatively, unsupervised learning with cnns has received less attention. in this work we hope to help bridge the gap between the success of cnns for supervised learning and unsupervised l... | arxiv:1511.06434 |
we investigate the cosmological perturbations in f ( t ) gravity. examining the pure gravitational perturbations in the scalar sector using a diagonal vierbien, we extract the corresponding dispersion relation, which provides a constraint on the f ( t ) ansatzes that lead to a theory free of instabilities. additionally... | arxiv:1008.1250 |
we use the solution of the dirac equation for quarkonium atom in the 4d anti de sitter ( ads $ _ { 4 } $ ) space to investigate the effect of the large negative cosmological constant on the phenomenon of quark confinement. we do the required calculations in the ads $ _ { 4 } $ space to indicate that large cosmological ... | arxiv:1611.05316 |
the aim of this paper was the detection of pathologies through respiratory sounds. the icbhi ( international conference on biomedical and health informatics ) benchmark was used. this dataset is composed of 920 sounds of which 810 are of chronic diseases, 75 of non - chronic diseases and only 35 of healthy individuals.... | arxiv:2402.02183 |
for the past decade observations of the alignement of pne symmetries with respect to the galactic disk have led to conflicting results. recently observational evidence for alignment between pne and local interstellar magnetic fields in the central part of the galaxy ( $ b < 5 ^ \ circ $ ) has been found. we studied the... | arxiv:1312.2910 |
we present high - precision measurements of the nusselt number n as a function of the rayleigh number r for cylindrical samples of water ( prandtl number sigma = 4. 4 ) with a diameter d of 49. 7 cm and heights l = 116. 3, 74. 6, and 50. 6 cm, as well as for d = 24. 8 cm and l = 90. 2 cm. for each aspect ratio gamma = ... | arxiv:physics/0409052 |
we prove that the arithmetic fundamental group of x admits no section over the absolute galois group of q when x is the schinzel curve, thereby confirming in this example the prediction given by grothendieck ' s section conjecture. - - - - - nous d \ ' emontrons que le groupe fondamental arithm \ ' etique de x n ' adme... | arxiv:1005.1984 |
we revisit the leading irrelevant deformation of $ \ mathcal { n } = 4 $ super yang - mills theory that preserves sixteen supercharges. we consider the deformed theory on $ s ^ 3 \ times \ mathbb { r } $. we are able to write a closed form expression of the classical action thanks to a formalism that realizes eight sup... | arxiv:2006.04792 |
we study experimentally a coiling instability of cylindrical multilamellar stacks of phospholipid membranes, induced by polymers with hydrophobic anchors grafted along their hydrophilic backbone. our system is unique in that coils form in the absence of both twist and adhesion. we interpret our experimental results in ... | arxiv:cond-mat/0008435 |
we report experimental results on the dynamics of heavy particles of the size of the kolmogorov - scale in a fully developed turbulent flow. the mixed eulerian structure function of two - particle velocity and acceleration difference vectors < \ delta v \ cdot \ delta a _ p > was observed to increase significantly with... | arxiv:1002.3755 |
the phenomena of strong running coupling and hadron mass generating have been studied in the framework of a qcd - inspired relativistic model of quark - gluon interaction with infrared confined propagators. we derived a meson mass equation and revealed a specific new behaviour of the mass - dependent strong coupling $ ... | arxiv:1712.05531 |
we consider bosonic atoms with a repulsive contact interaction in a trap potential for a bose - einstein condensation and additionally include a random potential. the ensemble averages for two models of static and dynamic disorder are performed and investigated in parallel. the bosonic many body systems of the two diso... | arxiv:cond-mat/0611416 |
is the first deliverable that conditions the following design and manufacturing steps. the risk management stage shall drive the product so that product risks are reduced at an acceptable level with respect to the benefits expected for the patients for the use of the device. the technical file contains all the document... | https://en.wikipedia.org/wiki/Biomedical_engineering |
an alternative approach to introducing gravitational dynamics on a brane embedded in a higher dimensional spacetime is presented. the brane is treated as a boundary of a higher dimensional manifold in which the bulk action is described by a metric independent topological quantum field theory. the example of a five dime... | arxiv:hep-th/0108066 |
the paper presents a joint beamforming algorithm using statistical channel state information ( s - csi ) for reconfigurable intelligent surfaces ( ris ) for multiuser miso wireless communications. we used s - csi, which is a long - term average of the cascaded channel as opposed to instantaneous csi utilized in most ex... | arxiv:2209.09856 |
we propose an extension of the cable equation by introducing a caputo time fractional derivative. the fundamental solutions of the most common boundary problems are derived analitically via laplace transform, and result be written in terms of known special functions. this generalization could be useful to describe anom... | arxiv:1702.05339 |
in this paper, we address the problem of designing stochastic model predictive control ( mpc ) schemes for linear systems affected by unbounded disturbances. the contribution of the paper is twofold. first, motivated by the difficulty of guaranteeing recursive feasibility in this framework, due to the nonzero probabili... | arxiv:2406.13522 |
we theoretically study the topological properties of the tight - binding model on the breathing kagome lattice with antisymmetric spin - orbit coupling ( soc ) between nearest neighbors. we show that the system hosts nontrivial topological phases even without second - nearest - neighbor hopping, and that the weakly dis... | arxiv:1811.08182 |
pseudothermal light by scattering laser light from rotating groundglass has been extensively employed to study optical coherence in both classical and quantum optics ever since its invention in 1960s. in this paper, we will show that by replacing the invariant intensity laser light in pseudothermal light source with in... | arxiv:1809.00181 |
the results of a world - wide coordinated observational campaign on the broad - lined type ic sn 2003jd are presented. in total, 74 photometric data points and 26 spectra were collected using 11 different telescopes. sn 2003jd is one of the most luminous sn ic ever observed. a comparison with other type ic supernovae (... | arxiv:0710.5173 |
cross - camera image data association is essential for many multi - camera computer vision tasks, such as multi - camera pedestrian detection, multi - camera multi - target tracking, 3d pose estimation, etc. this association task is typically stated as a bipartite graph matching problem and often solved by applying min... | arxiv:2201.06311 |
kagome vanadates { \ it a } v $ _ 3 $ sb $ _ 5 $ display unusual low - temperature electronic properties including charge density waves ( cdw ), whose microscopic origin remains unsettled. recently, cdw order has been discovered in a new material scv $ _ 6 $ sn $ _ 6 $, providing an opportunity to explore whether the o... | arxiv:2406.11212 |
a class of strange star is analyzed in the present article in hydrostatic equilibrium whose state is defined by a cfl phase equation of state. we compare our result with those obtained from mit bag equation of state for strange quark matter which are regarded as free particles. we note that if we consider quarks to for... | arxiv:2304.01629 |
fractional kinetic equations are investigated in order to describe the various phenomena governed by anomalous reaction in dynamical systems with chaotic motion. many authors have provided solutions for various families of fractional kinetic equations involving special functions. here, in this paper, we aim at presenti... | arxiv:1612.03267 |
we present the first - principle derivation of a weak - strong duality between the fishnet theory in four dimensions and a discretized string - like model living in five dimensions. at strong coupling, the dual description becomes classical and we demonstrate explicitly the classical integrability of the model. we test... | arxiv:1903.10508 |
in the application of semiconductor detectors, the charge - sensitive amplifier is widely used in front - end electronics. the output signal is shaped by a typical exponential decay. depending on the feedback network, this type of front - end electronics suffers from the ballistic deficit problem, or an increased rate ... | arxiv:1604.08750 |
we report neutron inelastic scattering experiments on single crystal pbmg $ _ { 1 / 3 } $ nb $ _ { 2 / 3 } $ o $ _ { 3 } $ doped with 32 \ % pbtio $ _ { 3 } $, a relaxor ferroelectric that lies close to the morphotropic phase boundary. when cooled under an electric field $ \ mathbf { e } \ parallel $ [ 001 ] into tetra... | arxiv:1509.07085 |
the babar and belle collaborations have recently found evidence for mixing within the d meson system. we present some of the mixing search techniques used by babar and their status as of the beginning of the summer 2007. these have culminated in a measurement in the k decay final state of the d that is inconsistent wit... | arxiv:0710.1211 |
acoustics - based techniques are investigated to focus and bunch nanoparticle beams. this allows to overcome the prominent problem of the longitudinal and transverse mismatch of particle stream and x - ray beam in single - particle / single molecule imaging at x - ray free - electron lasers ( xfel ). it will also enabl... | arxiv:1803.07472 |
in complex environments with large discrete action spaces, effective decision - making is critical in reinforcement learning ( rl ). despite the widespread use of value - based rl approaches like q - learning, they come with a computational burden, necessitating the maximization of a value function over all actions in ... | arxiv:2405.10310 |
we study a complex ginzburg - landau ( gl ) type model related to fluid instabilities in the boundary of magnetized toroidal plasmas ( called edge - localized modes ) with a prescribed shear flow on the neumann boundary condition. we obtain the following universal results for the model in a one - dimensional interval. ... | arxiv:1706.08036 |
in mathematics and other fields, a lemma ( pl. : lemmas or lemmata ) is a generally minor, proven proposition which is used to prove a larger statement. for that reason, it is also known as a " helping theorem " or an " auxiliary theorem ". in many cases, a lemma derives its importance from the theorem it aims to prove... | https://en.wikipedia.org/wiki/Lemma_(mathematics) |
ultra low radiation dose in x - ray computed tomography ( ct ) is an important clinical objective in order to minimize the risk of carcinogenesis. compressed sensing ( cs ) enables significant reductions in radiation dose to be achieved by producing diagnostic images from a limited number of ct projections. however, th... | arxiv:1402.1801 |
modeling quasar spectra is a fundamental task in astrophysics as quasars are the tell - tale sign of cosmic evolution. we introduce a novel unsupervised learning algorithm, quasar factor analysis ( qfa ), for recovering the intrinsic quasar continua from noisy quasar spectra. qfa assumes that the ly $ \ alpha $ forest ... | arxiv:2207.02788 |
the semileptonic $ d _ { l4 } $ decay including $ d \ to k \ pi l \ nu $ and $ d \ to \ pi \ pi l \ nu $ have been extensively studied. in these references, the form factors and differential decay rate are explicitly stated. however, we would like to stress that in these papers the final state interactions are often ov... | arxiv:1102.5426 |
a suitable state representation is a fundamental part of the learning process in reinforcement learning. in various tasks, the state can either be described by natural language or be natural language itself. this survey outlines the strategies used in the literature to build natural language state representations. we a... | arxiv:2007.09774 |
in recent years, journalists and other researchers have used web archives as an important resource for their study of disinformation. this paper provides several examples of this use and also brings together some of the work that the old dominion university web science and digital libraries ( ws - dl ) research group h... | arxiv:2306.10004 |
we have studied the coherent excitation of a strongly coupled qd / photonic crystal cavity system. time - resolved reflectivity measurements show the vacuum rabi oscillation of the dot in the cavity. next, we considered the resonant driving of a cavity - detuned dot, which efficiently populates the cavity mode. this ca... | arxiv:0902.2428 |
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