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within the two antenna model, we develop a theory of the recently observed helicity - sensitive detection of terahertz radiation by fets. the effect arises because of the mixing of the ac signals produced in the channel by the two antennas. we calculate the helicity - dependent part of the photoresponse and its depende... | arxiv:1303.0144 |
half - metallic ferrimagnetism is crucial for spintronic applications with respect to ferromagnets due to the lower stray fields created by these materials. studying the effect of defects in cras and related transition - metal chalcogenides and pnictides crystallizing in the zinc - blende structure, we reveal that the ... | arxiv:cond-mat/0606286 |
this paper has been withdrawn | arxiv:quant-ph/0611120 |
income distribution. it rejected the classical economics ' labour theory of value in favour of a marginal utility theory of value on the demand side and a more comprehensive theory of costs on the supply side. in the 20th century, neoclassical theorists departed from an earlier idea that suggested measuring total utili... | https://en.wikipedia.org/wiki/Economics |
in this paper, we extend the fractional sobolev spaces with variable exponents $ w ^ { s, p ( x, y ) } $ to include the general fractional case $ w ^ { k, p ( x, y ) } $, where $ p $ is a variable exponent, $ s \ in ( 0, 1 ) $ and $ k $ is a suitable kernel. we are concerned with some qualitative properties of the spac... | arxiv:1901.05687 |
the value of a highly oscillatory integral is typically determined asymptotically by the behaviour of the integrand near a small number of critical points. these include the endpoints of the integration domain and the so - called stationary points or saddle points - - roots of the derivative of the phase of the integra... | arxiv:1806.06549 |
we investigate the capacity of bosonic quantum channels for the transmission of quantum information. achievable rates are determined from measurable moments of the channel by showing that every channel can asymptotically simulate a gaussian channel which is characterized by second moments of the initial channel. we cal... | arxiv:quant-ph/0606132 |
tidal perturbations play an important role in the study of the dynamics in the classical two - body system. understanding tidal effects in strong - field regions may allow one to use gravitational - wave or electromagnetic observations to locate or constraint the location of possible companions. here, we investigate ho... | arxiv:2106.06551 |
we describe a phase transition for long - range entanglement in a three - dimensional cluster state affected by noise. the partially decohered state is modeled by the thermal state of a suitable hamiltonian. we find that the temperature at which the entanglement length changes from infinite to finite is nonzero. we giv... | arxiv:quant-ph/0407255 |
we study the entanglement generated by a weak cross - kerr nonlinearity between two initial coherent states, one of which has an amplitude close to the single - photon level, while the other one is macroscopic. we show that strong micro - macro entanglement is possible for weak phase shifts by choosing the amplitude of... | arxiv:1412.3090 |
, efficiently and with high quality ; in rooms, through public address systems and through mobile telephone systems are important areas of study. = = practitioner = = a variety of terms are used to describe audio engineers who install or operate sound recording, sound reinforcement, or sound broadcasting equipment, inc... | https://en.wikipedia.org/wiki/Audio_engineer |
monte carlo simulations with an effective hamiltonian parametrized from first principles are performed to study the dielectric response of batio3 as a function of temperature, with particular emphasis on the behavior of the dielectric constant near the transition from the ferroelectric tetragonal phase to the paraelect... | arxiv:cond-mat/9802208 |
we re - analyze the leading twist light - cone distributions for transversely polarized \ rho -, \ rho ' - and b _ 1 - mesons in the framework of qcd sum rules with nonlocal condensates. using different kinds of sum rules to obtain reliable predictions, we estimate the 2 -, 4 -, 6 - and 8 - th moments for transversely ... | arxiv:hep-ph/0006206 |
in computational fluid dynamics ( cfd ), coarse mesh simulations offer computational efficiency but often lack precision. applying conventional super - resolution to these simulations poses a significant challenge due to the fundamental contrast between downsampling high - resolution images and authentically emulating ... | arxiv:2311.09740 |
increasingly, with the data collected at the lhc we are confronted with the possible existence of flow in pp collisions. in this work we show that pythia 8 produces flow - like effects in events with multiple hard subcollisions due to color string formations between final partons from independent hard scatterings, the ... | arxiv:1303.6326 |
in this paper, we formulate acoustic howling suppression ( ahs ) as a supervised learning problem and propose a deep learning approach, called deep ahs, to address it. deep ahs is trained in a teacher forcing way which converts the recurrent howling suppression process into an instantaneous speech separation process to... | arxiv:2302.09252 |
the book graph $ b _ n ^ { ( k ) } $ consists of $ n $ copies of $ k _ { k + 1 } $ joined along a common $ k _ k $. the ramsey numbers of $ b _ n ^ { ( k ) } $ are known to have strong connections to the classical ramsey numbers of cliques. recently, the first author determined the asymptotic order of these ramsey numb... | arxiv:2001.00407 |
in this paper we propose a method to study a general vector - hosts mathematical model in order to explain how the changes in biodiversity could influence the dynamics of vector - borne diseases. we find that under the assumption of frequency - dependent transmission, i. e. the assumption that the number of contacts ar... | arxiv:1705.09426 |
the amount of information exchanged per unit of time between two nodes in a dynamical network or between two data sets is a powerful concept for analysing complex systems. this quantity, known as the mutual information rate ( mir ), is calculated from the mutual information, which is rigorously defined only for random ... | arxiv:1104.3498 |
motivated by the controllability / reachability problems for switched linear control systems and some classes of nonlinear ( mechanical ) control systems we address a related problem of existence of a cyclic vector for an associative ( matrix ) algebra. we provide a sufficient criterion for existence of cyclic vector a... | arxiv:1503.08044 |
automatic speech recognition involves mainly two steps ; feature extraction and classification. mel frequency cepstral coefficient is used as one of the prominent feature extraction techniques in asr. usually, the set of all 12 mfcc coefficients is used as the feature vector in the classification step. but the question... | arxiv:1505.03239 |
we review angle resolved photoemission spectroscopy ( arpes ) results on the high tc superconductors, focusing primarily on results obtained on the quasi - two dimensional cuprate bi2sr2cacu2o8 and its single layer counterpart bi2sr2cuo6. the topics treated include the basics of photoemission and methodologies for anal... | arxiv:cond-mat/0209476 |
} $ - harmonic maps, $ p $ - harmonic maps, $ \ phi _ { s } $ - harmonic maps, $ \ phi _ { s, p } $ - harmonic maps, $ \ phi _ { ( 2 ) } $ - harmonic maps, etc., ( cf. [ 21, 40, 42, 41, 12, 13 ] ). | arxiv:2305.19503 |
we develop a statistical estimator to infer the redshift probability distribution of a photometric sample of galaxies from its angular cross - correlation in redshift bins with an overlapping spectroscopic sample. this estimator is a minimum variance weighted quadratic function of the data : a quadratic estimator. this... | arxiv:1611.07578 |
in this paper, we present an analysis of a chiral cosmological scenario from the perspective of k - essence formalism. in this setup, several scalar fields interact within the kinetic and potential sectors. however, we only consider a flat friedmann - - robertson - - lama \ ^ { \ i } tre - - walker universe coupled min... | arxiv:2204.12083 |
neutrinoless double - beta decay experiments can potentially determine the majorana or dirac nature of the neutrino, and aid in understanding the neutrino absolute mass scale and hierarchy. future 76ge - based searches target a half - life sensitivity of > 10 ^ 27 y to explore the inverted neutrino mass hierarchy. reac... | arxiv:1109.4154 |
in a previous work we proved that each $ n $ - dimensional convex polyhedron $ { \ mathcal k } subset { \ mathbb r } ^ n $ and its relative interior are regular images of $ { \ mathbb r } ^ n $. as the image of a non - constant polynomial map is an unbounded semialgebraic set, it is not possible to substitute regular m... | arxiv:2401.12558 |
we report on the evolution with magnetic field and temperature of the vortex lattice ( vl ) in fully - oxygenated yba2cu3o7 as studied by time - of - flight small angle neutron scattering. using the hfm / exed beamline, we have obtained data up to 25. 9 t - much higher than that available previously. our vl structure r... | arxiv:2203.01705 |
high - definition maps ( hd maps ) play a crucial role in the development, safety validation, and operation of highly automated vehicles. efficiently collecting up - to - date sensor data from road segments and obtaining accurate maps from these are key challenges in hd map creation. commonly used methods, such as dedi... | arxiv:2410.00769 |
recent advances in tracking sensors and pose estimation software enable smart systems to use trajectories of skeleton joint locations for supervised learning. we study the problem of accurately recognizing sign language words, which is key to narrowing the communication gap between hard and non - hard of hearing people... | arxiv:2202.01390 |
a purely relational account of the true xquery semantics can turn any relational database system into an xquery processor. compiling nested expressions of the fully compositional xquery language, however, yields odd algebraic plan shapes featuring scattered distributions of join operators that currently overwhelm comme... | arxiv:0810.4809 |
in this paper we deal with linear systems of p ^ 3 through fat points. we consider the behavior of these systems under a cubo - cubic cremona transformation that allows us to produce a class of special systems which we conjecture to be the only ones. | arxiv:math/0311445 |
we introduce noisy feature mixup ( nfm ), an inexpensive yet effective method for data augmentation that combines the best of interpolation based training and noise injection schemes. rather than training with convex combinations of pairs of examples and their labels, we use noise - perturbed convex combinations of pai... | arxiv:2110.02180 |
ferromagnetic ( fm ) semimetals fe $ _ n $ gete $ _ 2 $ ( n = 3, 4, 5 ), exhibit several symmetry - protected band - crossing points or lines near the fermi energy ( e $ _ f $ ) and these topological properties of energy bands lead to interesting transport properties. we study these materials employing the first - prin... | arxiv:2207.03547 |
in this paper, a self - triggered scheme is proposed to optimally control the traffic flow of connected and automated vehicles ( cavs ) at conflict areas of a traffic network with the main aim of reducing the data exchange among cavs in the control zone and at the same to minimize the travel time and energy consumption... | arxiv:2203.13147 |
fetal motion is unpredictable and rapid on the scale of conventional mr scan times. therefore, dynamic fetal mri, which aims at capturing fetal motion and dynamics of fetal function, is limited to fast imaging techniques with compromises in image quality and resolution. super - resolution for dynamic fetal mri is still... | arxiv:2106.12407 |
we present a statistical analysis of the kepler m dwarf planet hosts, with a particular focus on the fractional number of systems hosting multiple transiting planets. we manufacture synthetic planetary systems within a range of planet multiplicity and mutual inclination for comparison to the kepler yield. we recover th... | arxiv:1410.4192 |
we examine the holographic entanglement entropy of spherical regions in de sitter space in the presence of massive flavour fields which are modelled by probe d7 branes in ads _ 5xs ^ 5. we focus on the finite part of the massive correction to the entropy in the limits of small mass and large mass that are separated by ... | arxiv:1512.07902 |
only in 1994 by andrew wiles, who used tools including scheme theory from algebraic geometry, category theory, and homological algebra. another example is goldbach ' s conjecture, which asserts that every even integer greater than 2 is the sum of two prime numbers. stated in 1742 by christian goldbach, it remains unpro... | https://en.wikipedia.org/wiki/Mathematics |
many problems in science and engineering involve, as part of their solution process, the consideration of a separable function which is the sum of two convex functions, one of them possibly non - smooth. recently a few works have discussed inexact versions of several accelerated proximal methods aiming at solving this ... | arxiv:1508.05631 |
inverted - band $ pn $ junctions in two - dimensional materials offer a promising platform for electron optics in condensed matter, as they allow to manipulate and guide electron beams without the need for spatial confinement. in this work, we propose the realization of an aharonov - bohm ( ab ) interferometer using su... | arxiv:2410.22298 |
we improve upon pairwise annotation for active learning in coreference resolution, by asking annotators to identify mention antecedents if a presented mention pair is deemed not coreferent. this simple modification, when combined with a novel mention clustering algorithm for selecting which examples to label, is much m... | arxiv:2004.13671 |
we briefly discuss theoretical and experimental discoveries in the field of supertransport and plasticity in imperfect solid \ he4 and argue that these promise new exciting developments. several experiments aimed at clarifying the origin of the supertransport and its relation to plasticity are proposed. in particular, ... | arxiv:1912.03704 |
we study random variables of the form $ f ( x ) $, when $ f $ is a degree $ d $ polynomial, and $ x $ is a random vector on $ \ mathbb { r } ^ { n } $, motivated towards a deeper understanding of the covariance structure of $ x ^ { \ otimes d } $. for applications, the main interest is to bound $ \ mathrm { var } ( f (... | arxiv:2108.04268 |
we address the localization of a reconfigurable intelligent surface ( ris ) for a single - input single - output multi - carrier system using bi - static sensing between a fixed transmitter and a fixed receiver. due to the deployment of riss with a large dimension, near - field ( nf ) scenarios are likely to occur, esp... | arxiv:2206.13915 |
this work focuses on minimum - time low - thrust orbit transfers from a prescribed low earth orbit to a specified low lunar orbit. the well - established indirect formulation of minimum - time orbit transfers is extended to a multibody dynamical framework, with initial and final orbits around two distinct primaries. to... | arxiv:2406.00336 |
strong second - harmonic generation has recently been experimentally observed from metamaterials consisting of periodic arrays of metal split ring resonators with an effective negative magnetic permeability [ science, 313, 502 ( 2006 ) ]. to explore the underlying physical mechanism, a classical model derived from micr... | arxiv:0807.3531 |
reconfigurable intelligent surface ( ris ) can provide stable connectivity for vehicular communications when direct transmission becomes significantly weaker with dynamic channel conditions between an access point and a moving vehicle. in this paper, we analyze the performance of a ris - assisted vehicular network by c... | arxiv:2204.09958 |
we consider the effect on the length of the game of cops and robbers when more cops are added to the game play. in overprescribed cops and robbers, as more cops are added, the capture time ( the minimum length of the game assuming optimal play ) monotonically decreases. we give the full range of capture times for any n... | arxiv:1611.07592 |
in this work, an intelligent controller is employed to the chaos control problem in a nonlinear pendulum. the adopted approach is based on the sliding mode control strategy and enhanced by an adaptive fuzzy algorithm to cope with modeling inaccuracies. the convergence properties of the closed - loop system are analytic... | arxiv:2206.01617 |
sexually reproducing populations with small number of individuals may go extinct by stochastic fluctuations in sex determination, causing all their members to become male or female in a generation. in this work we calculate the time to extinction of isolated populations with fixed number $ n $ of individuals that are u... | arxiv:1204.4920 |
the light detection and ranging ( lidar ) sensor has become one of the most important perceptual devices due to its important role in simultaneous localization and mapping ( slam ). existing slam methods are mainly developed for mechanical lidar sensors, which are often adopted by large scale robots. recently, the soli... | arxiv:2102.03800 |
we present the synchronized unsteady wall pressure measurements performed at the circumference of a full scale 35 m circular chimney submitted to natural wind. the atmospheric turbulent boundary layer generates a turbulence intensity of 15 % at the altitude of the measurements and the corresponding reynolds number is 1... | arxiv:2311.11688 |
objective : the brain operates via generation, transmission and integration of neuronal signals and most neurological disorders are related to perturbation of these processes. neurostimulation by focused ultrasound ( fus ) is a promising technology with potential to rival other clinically - used techniques for the inve... | arxiv:2101.06935 |
a quaternary compound bi3o2s2cl, which consists of novel [ bis2cl ] 2 - layers, is reported. it adopts a layered structure of the space group i4 / mmm ( no. 139 ) with lattice parameters : a = 3. 927 ( 1 ) { \ aa }, c = 21. 720 ( 5 ) { \ aa }. in this compound, bismuth and chlorine atoms form an infinite planar layer, ... | arxiv:1903.02698 |
we study quasimorphisms and bounded cohomology of a variety of braided versions of thompson groups. our first main result is that the brin - - dehornoy braided thompson group $ bv $ has an infinite - dimensional space of quasimorphisms and thus infinite - dimensional second bounded cohomology. this implies that despite... | arxiv:2204.05272 |
the longest increasing subsequence problem for permutations has been studied extensively in the last fifty years. the interpretation of the longest increasing subsequence as the longest 21 - avoiding subsequence in the context of permutation patterns leads to many interesting research directions. we introduce and study... | arxiv:2106.11186 |
observations in the solar wind suggest that the compressive component of inertial - range solar - wind turbulence is dominated by slow modes. the low collisionality of the solar wind allows for non - thermal features to survive, which suggests the requirement of a kinetic plasma description. the least - damped kinetic ... | arxiv:1703.03040 |
the self - energy - functional approach proposed recently is applied to the single - band hubbard model at half - filling to study the mott - hubbard metal - insulator transition within the most simple but non - trivial approximation. this leads to a mean - field approach which is interesting conceptually : trial self ... | arxiv:cond-mat/0306278 |
we discuss an effective theory for qcd at finite chemical potential and non - zero temperature, where qcd is reduced to its center degrees of freedom. the effective action can be mapped to a flux representation, where the complex phase problem is solved and the theory accessible to monte carlo techniques. in this work,... | arxiv:1110.6862 |
we model time series of vix ( monthly average ) and monthly stock index returns. we use log - heston model : logarithm of vix is modeled as an autoregression of order 1. our main insight is that normalizing monthly stock index returns ( dividing them by vix ) makes them much closer to independent identically distribute... | arxiv:2410.22471 |
layered van der waals materials have risen as powerful platforms to artificially engineer correlated states of matter. here we show the emergence of a multiferroic order in a twisted dichalcogenide bilayer superlattice at quarter - filling. we show that the competition between coulomb interactions leads to the simultan... | arxiv:2204.03360 |
this paper provides an overview of the electric vehicle transition in the uk. the spatial disparity in the uptake of bevs across the different regions is analysed using historic bev sales. a forecast for future growth in bevs ( ignoring the impact of covid - 19 ) is performed using an s - curve model. currently, south ... | arxiv:2007.03745 |
photon - photon interactions are an essential requirement of quantum photonic information processing. one way to generate these interactions is to utilize an atom strongly coupled to an optical cavity. this system exhibits the photon blockade effect which enables single photon switching and creation of non - classical ... | arxiv:2201.04555 |
quantum optimal control for gate optimization aims to provide accurate, robust, and fast pulse sequences to achieve gate fidelities on quantum systems below the error correction threshold. many methods have been developed and successfully applied in simulation and on quantum hardware. in this paper, we establish a conn... | arxiv:2504.10938 |
we have studied the anomalous hall effect ( ahe ) in strained thin films of the frustrated antiferromagnet mn $ _ { 3 } $ nin. the ahe does not follow the conventional relationships with magnetization or longitudinal conductivity and is enhanced relative to that expected from the magnetization in the antiferromagnetic ... | arxiv:1902.04357 |
markov chain sampling methods form the backbone of modern computational statistics. however, many popular methods are prone to random walk behavior, i. e., diffusion - like exploration of the sample space, leading to slow mixing that requires intricate tuning to alleviate. non - reversible samplers can resolve some of ... | arxiv:2504.12190 |
computational social science research has made advances in machine learning and natural language processing that support content moderators in detecting harmful content. these advances often rely on training datasets annotated by crowdworkers for harmful content. in designing instructions for annotation tasks to genera... | arxiv:2309.15827 |
we present the detection of a rare case of dramatic strengthening in the uv absorption profiles in the spectrum of the quasar j115122. 14 + 020426. 3 between observations ~ 2. 86 years apart in the quasar rest - frame. a 2001 spectrum from the sloan digital sky survey ( sdss ) shows a civ " mini - broad " absorption li... | arxiv:1307.6266 |
we present a simultaneous measurement of the b0bar lifetime tau ( b0 ) and mixing parameter $ delta m _ d $. we use a sample of about 50000 b0bar - > d * + l - anti - nu ( l ) partially reconstructed decays identified with the babar detector at the pep - ii storage ring at slac, where the flavor of the other b meson is... | arxiv:hep-ex/0408039 |
we have performed simulations of cluster formation along two regions of a spiral arm taken from a global milky way simulation, including photoionising feedback. one region is characterised by strongly converging flows, the other represents a more typical spiral arm region. we find that more massive clusters are able to... | arxiv:2110.09201 |
we examine a recent prediction for the chirality - dependence of the casimir force in chiral metamaterials by numerical computation of the forces between the exact microstructures, rather than homogeneous approximations. we compute the exact force for a chiral bent - cross pattern, as well as forces for an idealized " ... | arxiv:1006.5489 |
quantum and classical systems evolving under the same formal hamiltonian $ h $ may exhibit dramatically different behavior after the ehrenfest timescale $ t _ e \ sim \ log ( \ hbar ^ { - 1 } ) $, even as $ \ hbar \ to 0 $. coupling the system to a markovian environment results in a lindblad equation for the quantum ev... | arxiv:2307.05326 |
the ability to predict the evolution of a pathogen would significantly improve the ability to control, prevent, and treat disease. despite significant progress in other problem spaces, deep learning has yet to contribute to the issue of predicting mutations of evolving populations. to address this gap, we developed a n... | arxiv:2008.11790 |
the left - right twin higgs ( lrth ) model predicts the existence of the charged higgs $ \ phi ^ { \ pm } $. in this paper, we study the production of the charged higgs boson $ \ phi ^ { - } $ with single top quark via the process $ bg \ to t \ phi ^ { - } $ at the $ cern $ large hadron collider ( lhc ). the numerical ... | arxiv:0704.0840 |
with a mere usage of well - established properties of para - differential operators, the conjugacy equations in several model kam problems are converted to para - homological equations solvable by standard fixed point argument. such discovery greatly simplifies kam proofs, renders the traditional kam iteration steps un... | arxiv:2312.13971 |
in 2014 the patient protection and affordable care act ( aca ) introduced the expansion of medicaid where states can opt to expand the eligibility for those in need of free health insurance. in this paper, we attempt to assess the effectiveness of medicaid expansion on health outcomes of state populations using differe... | arxiv:2012.11286 |
random program generators often exhibit opportunism : they generate programs without a specific focus within the vast search space defined by the programming language. this opportunistic behavior hinders the effective generation of programs that trigger bugs in compilers and analyzers, even when such programs closely r... | arxiv:2503.20332 |
we propose an energy amplification technique to address the issue that existing models easily overlook low - energy components in time series forecasting. this technique comprises an energy amplification block and an energy restoration block. the energy amplification block enhances the energy of low - energy components... | arxiv:2501.17216 |
in classic program synthesis algorithms, such as counterexample - guided inductive synthesis ( cegis ), the algorithms alternate between a synthesis phase and an oracle ( verification ) phase. many synthesis algorithms use a white - box oracle based on satisfiability modulo theory ( smt ) solvers to provide counterexam... | arxiv:2107.13477 |
steganography and steganalysis are two interrelated aspects of the field of information security. steganography seeks to conceal communications, whereas steganalysis is aimed to either find them or even, if possible, recover the data they contain. steganography and steganalysis have attracted a great deal of interest, ... | arxiv:2308.04522 |
the secular evolution of the orbital angular momentum ( oam ), the systemic mass $ ( m = m _ { 1 } + m _ { 2 } ) $ and the orbital period of 114 chromospherically active binaries ( cabs ) were investigated after determining the kinematical ages of the sub - samples which were set according to oam bins. oams, systemic m... | arxiv:astro-ph/0512021 |
consider the equation of the linear oscillator $ u " + u = h ( \ theta ) $, where the forcing term $ h : \ mathbb r \ to \ mathbb r $ is $ 2 \ pi $ - periodic and positive. we show that the existence of a periodic solution implies the existence of a positive solution. to this aim we establish connections between this p... | arxiv:2201.09272 |
among the distinguishing characteristics of the remarkable hot r coronae borealis star dy cen, which was recently found to be a spectroscopic binary, is the presence of nebular forbidden lines in its optical spectrum. a compilation of photometry from 1970 to the present suggests that the star has evolved to higher effe... | arxiv:1301.5773 |
passive red galaxies frequently contain warm ionized gas and have spectra similar to low - ionization nuclear emission - line regions ( liners ). here we investigate the nature of the ionizing sources powering this emission, by comparing nuclear spectroscopy from the palomar survey with larger aperture data from the sl... | arxiv:1109.1280 |
we develop a theoretical framework that unifies concepts of multiple time dimensions, quantum shortcut dynamics, and complex topological structures ( ' supermazes ' ) to explore novel phenomena in quantum and classical systems. in particular, we introduce a temporal tensor formalism to describe multidimensional time, d... | arxiv:2504.07900 |
we present a new method of self - supervised learning and knowledge distillation based on the multi - views and multi - representations ( mv - mr ). the mv - mr is based on the maximization of dependence between learnable embeddings from augmented and non - augmented views, jointly with the maximization of dependence b... | arxiv:2303.12130 |
we aim to obtain accurate rate coefficients for the collisional excitation of ch + by he for high gas temperatures. the ab initio coupled - cluster [ ccsd ( t ) ] approximation was used to compute the interaction potential energy. cross sections are then derived in the close coupling ( cc ) approach and rate coefficien... | arxiv:0909.2010 |
in the framework of carrol - field - jackiw electrodynamics we calculate the spectral distribution of the cherenkov radiation ( chr ) produced by a charge moving at constant velocity in a chiral medium. we find zero, one or two cherenkov angles according to the relation between the velocity of the particle and the refr... | arxiv:2207.01104 |
a threshold result was proved in this paper for semilinear parabolic system with pure power type nonlinearities | arxiv:1009.3733 |
this paper tackles the purely unsupervised person re - identification ( re - id ) problem that requires no annotations. some previous methods adopt clustering techniques to generate pseudo labels and use the produced labels to train re - id models progressively. these methods are relatively simple but effective. howeve... | arxiv:2012.10674 |
we study natural composite cold dark matter candidates which are pseudo nambu - goldstone bosons ( pngb ) in models of dynamical electroweak symmetry breaking. some of these can have a significant thermal relic abundance, while others must be mainly asymmetric dark matter. by considering the thermal abundance alone we ... | arxiv:1007.4839 |
we investigate the correlation structure of pure n - mode gaussian resources which can be experimentally generated by means of squeezers and beam splitters, whose entanglement properties are generic. we show that those states are specified ( up to local unitaries ) by n ( n - 1 ) / 2 parameters, corresponding to the tw... | arxiv:quant-ph/0606190 |
robot autonomy in unknown, gps - denied, and complex underground environments requires real - time, robust, and accurate onboard pose estimation and mapping for reliable operations. this becomes particularly challenging in perception - degraded subterranean conditions under harsh environmental factors, including darkne... | arxiv:2505.06483 |
we review our knowledge of the most basic properties of the agn obscuring region - its location, scale, symmetry, and mean covering factor - and discuss new evidence on the distribution of covering factors in a sample of ~ 9000 quasars with wise, ukidss, and sdss photometry. the obscuring regions of agn may be in some ... | arxiv:1303.0219 |
we treat projective dependency trees as latent variables in our probabilistic model and induce them in such a way as to be beneficial for a downstream task, without relying on any direct tree supervision. our approach relies on gumbel perturbations and differentiable dynamic programming. unlike previous approaches to l... | arxiv:1906.09992 |
entanglement is widely considered the cornerstone of quantum information and an essential resource for relevant quantum effects, such as quantum teleportation, quantum cryptography, or the speed - up of quantum computing, as in shor ' s algorithm. however, up to now, there is no general characterization of entanglement... | arxiv:1504.07524 |
high fidelity representation of shapes with arbitrary topology is an important problem for a variety of vision and graphics applications. owing to their limited resolution, classical discrete shape representations using point clouds, voxels and meshes produce low quality results when used in these applications. several... | arxiv:2011.02570 |
ionic microgel particles in a good solvent swell to an equilibrium size determined by a balance of electrostatic and elastic forces. when crowded, ionic microgels deswell owing to a redistribution of microions inside and outside the particles. the concentration - dependent deswelling affects the interactions between th... | arxiv:1910.00833 |
context : ensuring safety for any sophisticated system is getting more complex due to the rising number of features and functionalities. this calls for formal methods to entrust confidence in such systems. nevertheless, using formal methods in industry is demanding because of their lack of usability and the difficulty ... | arxiv:2304.08950 |
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