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software defined networking ( sdn ) is a promising approach for improving the performance and manageability of future network architectures. however, little work has gone into using sdn to improve the performance and manageability of existing networks without requiring a major overhaul of the existing network infrastru... | arxiv:1505.06630 |
accurate detection and diagnosis of abnormal behaviors such as network attacks from multivariate time series ( mts ) are crucial for ensuring the stable and effective operation of industrial cyber - physical systems ( cps ). however, existing researches pay little attention to the logical dependencies among system work... | arxiv:2403.02616 |
computing the probability of an edge ' s existence in a graph network is known as link prediction. while traditional methods calculate the similarity between two given nodes in a static network, recent research has focused on evaluating networks that evolve dynamically. although deep learning techniques and network rep... | arxiv:2305.16421 |
the large scale pattern in the arrival directions of extragalactic cosmic rays that reach the earth is different from that of the flux arriving to the halo of the galaxy as a result of the propagation through the galactic magnetic field. two different effects are relevant in this process : deflections of trajectories a... | arxiv:1009.5891 |
some test amplification tools extend a manually created test suite with additional test cases to increase the code coverage. the technique is effective, in the sense that it suggests strong and understandable test cases, generally adopted by software engineers. unfortunately, the current state - of - the - art for test... | arxiv:2108.05663 |
the radial velocity technique is currently used to classify transiting objects. while capable of identifying grazing binary eclipses, this technique cannot reliably identify blends, a chance overlap of a faint background eclipsing binary with an ordinary foreground star. blends generally have no observable radial veloc... | arxiv:astro-ph/0406201 |
we consider convex relaxations for recovering low - rank tensors based on constrained minimization over a ball induced by the tensor nuclear norm, recently introduced in \ cite { tensor _ tsvd }. we build on a recent line of results that considered convex relaxations for the recovery of low - rank matrices and establis... | arxiv:2308.01677 |
in this work we present a review of the state of the art of information theoretic feature selection methods. the concepts of feature relevance, redundance and complementarity ( synergy ) are clearly defined, as well as markov blanket. the problem of optimal feature selection is defined. a unifying theoretical framework... | arxiv:1509.07577 |
the efficiency of energy conversion during magnetic reconnection is related to the reconnection rate. while the stable reconnection rate has been studied extensively, its growth between the time of reconnection onset and the peak reconnection rate has not been thoroughly discussed. we use a 2d particle - in - cell ( pi... | arxiv:2208.08470 |
perfect cooper pair splitting is proposed, based on crossed andreev reflection ( car ) in a p - type semiconductor - superconductor - n - type semiconductor ( psn ) junction. the ideal splitting is caused by the energy filtering that is enforced by the bandstructure of the electrodes. the psn junction is modeled by the... | arxiv:1112.3742 |
the spectral statistics of the circular billiard with a point - scatterer is investigated. in the semiclassical limit, the spectrum is demonstrated to be composed of two uncorrelated level sequences. the first corresponds to states for which the scatterer is located in the classically forbidden region and its energy le... | arxiv:nlin/0309061 |
in this article, a combinatorial characterization of the family of planes of $ \ pg ( 3, q ) $ which meet a hyperbolic quadric in an irreducible conic, using their intersection properties with the points and lines of $ \ pg ( 3, q ) $, is given. | arxiv:2102.03813 |
we study two classes of dynamical systems with holes : expanding maps of the interval and collet - eckmann maps with singularities. in both cases, we prove that there is a natural absolutely continuous conditionally invariant measure $ \ mu $ ( a. c. c. i. m. ) with the physical property that strictly positive h \ " { ... | arxiv:0705.4271 |
in this article, we study the stochastic wave equation in spatial dimensions $ d \ le 2 $ with multiplicative l \ ' evy noise that can have infinite $ p $ - th moments. using the past light - cone property of the wave equation, we prove the existence and uniqueness of a solution, considering only the $ p $ - integrabil... | arxiv:2310.05907 |
vine copula models have become highly popular practical tools for modeling multivariate dependencies. to maintain tractability, a commonly employed simplifying assumption is that conditional copulas remain unchanged by the conditioning variables. this assumption has sparked a somewhat polarizing debate within the copul... | arxiv:2410.16806 |
we study non - univalent solutions of the polubarinova - galin equation, describing the time evolution of the conformal map from the unit disk onto a hele - shaw blob of fluid subject to injection at one point. in particular, we tackle the difficulties arising when the map is not even locally univalent, in which case o... | arxiv:1411.1909 |
the new super - kamiokande - gadolinium ( sk - gd ) project is an upgrade of the super - kamiokande ( sk ) detector. in the sk - gd project, 0. 2 \ % gd $ _ 2 $ ( so $ _ 4 $ ) $ _ 3 $ is loaded into the 50 kton water tank of the sk. one of the main purposes of the project is to discover supernova relic neutrinos. neutr... | arxiv:1709.03417 |
in this paper, we develop the proof theory of skew prounital closed categories. these are variants of the skew closed categories of street where the unit is not represented. skew closed categories in turn are a weakening of the closed categories of eilenberg and kelly where no structural law is required to be invertibl... | arxiv:2101.03809 |
in this paper, we will show that the limit of some quasilocal mass integrals of the coordinate spheres in an asymptotically hyperbolic ( ah ) manifold is the mass integral of the ah manifold. this is the analogue of the well known result that the limit of the brown - york mass of coordinate spheres is the adm mass in a... | arxiv:1010.6130 |
we consider 3 - webs, hyper - para - complex structures and integrable segre structures on manifolds of even dimension and generalise the second heavenly pleba \ ' nski equation in the context of higher - dimensional hyper - para - complex structures. we also characterise the segre structures admitting a compatible hyp... | arxiv:1508.05234 |
in this work we consider regularized wasserstein barycenters ( average in wasserstein distance ) in fourier basis. we prove that random fourier parameters of the barycenter converge to some gaussian random vector by distribution. the convergence rate has been derived in finite - sample case with explicit dependence on ... | arxiv:1904.00891 |
in earlier work, we used a gauge independent abelian decomposition to show that abelian degrees of freedom are wholly responsible for the static quark potential. the restricted abelian field can be split into two terms, a maxwell term and a $ \ theta $ ( dirac ) term. the $ \ theta $ term ' s contribution to the string... | arxiv:1610.09708 |
the existing core methods, which are employed by the popular ctl model checking tools, are facing the famous state explode problem. in our previous study, a method based on the machine learning ( ml ) algorithms was proposed to address this problem. however, the accuracy is not satisfactory. first, we conduct a compreh... | arxiv:1902.08789 |
due to the incompatibility of the nonlinear realization of superconformal symmetry and dilatation symmetry with the dilaton as the compensator field, in the present paper it shows an alternative mechanism of spontaneous breaking the n = 2 superconformal symmetry to the n = 0 case. by using the approach of nonlinear tra... | arxiv:0802.1299 |
globular clusters ( gcs ) are old massive star clusters that serve as ` fossils ' of galaxy formation. the advent of gaia observatory has enabled detailed kinematics studies of the galactic gcs and revolutionized our understanding of the connections between gc properties and galaxy assembly. however, lack of kinematic ... | arxiv:2203.00599 |
we prove that the $ \ ell $ - adic chern classes of canonical extensions of automorphic vector bundles, over toroidal compactifications of shimura varieties of hodge type over $ \ bar { \ mathbb { q } } _ p $, descend to classes in the $ \ ell $ - adic cohomology of the minimal compactifications. these are invariant un... | arxiv:1801.08219 |
if omega _ tot = 1 and structure formed from adiabatic initial conditions then the age of the universe, as constrained by measurements of the cosmic microwave background ( cmb ), is t _ 0 = 14. 0 + / - 0. 5 gyr. the uncertainty is surprisingly small given that cmb data alone constrain neither h nor omega _ lambda signi... | arxiv:astro-ph/0109232 |
we propose a nonparametric algorithm to detect structural breaks in the conditional mean and / or variance of a time series. our method does not assume any specific parametric form for the dependence structure of the regressor, the time series model, or the distribution of the model noise. this flexibility allows our a... | arxiv:2410.15713 |
parametric mathematical models such as parameterizations of partial differential equations with random coefficients have received a lot of attention within the field of uncertainty quantification. the model uncertainties are often represented via a series expansion in terms of the parametric variables. in practice, thi... | arxiv:2301.13693 |
we develop a new low - level, first - order probabilistic programming language ( lf - ppl ) suited for models containing a mix of continuous, discrete, and / or piecewise - continuous variables. the key success of this language and its compilation scheme is in its ability to automatically distinguish parameters the den... | arxiv:1903.02482 |
it is shown that there exists a normal uniform algebra, on a compact metrizable space, that fails to be strongly regular at some peak point. this answers a 31 - year - old question of joel feinstein. our example is r ( k ) for a certain compact planar set k. furthermore, it has a totally ordered one - parameter family ... | arxiv:2308.13951 |
let $ fh $ be a supersolvable frobenius group with kernel $ f $ and complement $ h $. suppose that a finite group $ g $ admits $ fh $ as a group of automorphisms in such a manner that $ c _ g ( f ) = 1 $ and $ c _ { g } ( h ) $ is nilpotent of class $ c $. we show that $ g $ is nilpotent of $ ( c, \ left | fh \ right |... | arxiv:1805.05812 |
environmental data science for spatial extremes has traditionally relied heavily on max - stable processes. even though the popularity of these models has perhaps peaked with statisticians, they are still perceived and considered as the ` state - of - the - art ' in many applied fields. however, while the asymptotic th... | arxiv:2401.17430 |
in this paper we prove the spectral theorem for quaternionic unbounded normal operators using the notion of $ s $ - spectrum. the proof technique consists of first establishing a spectral theorem for quaternionic bounded normal operators and then using a transformation which maps a quaternionic unbounded normal operato... | arxiv:1409.7010 |
photomechanical liquid crystal elastomers ( lces ) are responsive polymers that can convert light directly into mechanical deformation. this unique feature makes these materials an attractive candidate for soft actuators capable of remote and multi - mode actuation. in this work, we propose a three - dimensional multi ... | arxiv:2207.13908 |
we obtain a generalized euler - lagrange differential equation and transversality optimality conditions for herglotz - type higher - order variational problems. illustrative examples of the new results are given. | arxiv:1309.6518 |
we study the phonon modes in single - walled mos $ _ { 2 } $ nanotubes via the lattice dynamics calculation and molecular dynamics simulation. the phonon spectra for tubes of arbitrary chiralities are calculated from the dynamical matrix constructed by the combination of an empirical potential with the conserved helica... | arxiv:1401.0577 |
we theoretically consider a josephson junction formed by a ferromagnetic spacer with a strong spin - orbit interaction or a magnetic spin valve, i. e., a bilayer with one static and one free layer. electron spin transport facilitates a nonlinear dynamical coupling between the magnetic moment and charge current, which c... | arxiv:1110.1680 |
lidars play a critical role in autonomous vehicles ' ( avs ) perception and their safe operations. recent works have demonstrated that it is possible to spoof lidar return signals to elicit fake objects. in this work we demonstrate how the same physical capabilities can be used to mount a new, even more dangerous class... | arxiv:2102.03722 |
the exploration of flatband in photonics is fundamentally important, aiming to control the localization of light for potential applications in optical communications. we study the flatband physics in a synthetic space including the frequency axis of light. a ring - resonator array is used to construct a synthetic lieb ... | arxiv:2004.12542 |
( abridged ) in the framework of the binamics project, we have begun a study of the magnetic properties of a sample of intermediate - mass and massive short - period binary systems, as a function of binarity properties. we report in this paper the characterisation of the magnetic field of hd 5550, a double - lined spec... | arxiv:1601.07762 |
mesh denoising is a fundamental problem in digital geometry processing. it seeks to remove surface noise, while preserving surface intrinsic signals as accurately as possible. while the traditional wisdom has been built upon specialized priors to smooth surfaces, learning - based approaches are making their debut with ... | arxiv:2209.00841 |
reaction - diffusion - advection media on semi - infinite domains are important in chemical, biological and ecological applications, yet remain a challenge for pattern formation theory. to demonstrate the rich emergence of nonlinear traveling waves and stationary periodic states, we review results obtained using a memb... | arxiv:1802.02367 |
variable selection in high - dimensional scenarios is of great interested in statistics. one application involves identifying differentially expressed genes in genomic analysis. existing methods for addressing this problem have some limits or disadvantages. in this paper, we propose distance based variable importance m... | arxiv:1806.06468 |
sxp4. 78 was originally discovered in 2000 as a pulsar in the small magellanic cloud ( smc ) by the rossi x - ray timing explorer ( rxte ) but it was not spatially located at that time. a new detection in 2018 with the neil gehrels swift observatory during a type ii outburst permitted its position to be accurately loca... | arxiv:1902.00677 |
an article for the springer encyclopedia of complexity and system science | arxiv:0708.2203 |
eccentric black - hole binaries are among the most awaited sources of gravitational waves, yet their dynamics lack a consistent framework that provides a detailed and physically robust evolutionary description due to gauge issues. we present a new set of non - orbit - averaged equations, free from radiation - reaction ... | arxiv:2502.06952 |
reinforcement learning ( rl ) is pivotal for enabling large language models ( llms ) to generate long chains of thought ( cot ) for complex tasks like math and reasoning. however, proximal policy optimization ( ppo ), effective in many rl scenarios, fails in long cot tasks. this paper identifies that value initializati... | arxiv:2503.01491 |
we show that reconstructing a curve in $ \ mathbb { r } ^ d $ for $ d \ geq 2 $ from a $ 0. 66 $ - sample is always possible using an algorithm similar to the classical nn - crust algorithm. previously, this was only known to be possible for $ 0. 47 $ - samples in $ \ mathbb { r } ^ 2 $ and $ \ frac { 1 } { 3 } $ - sam... | arxiv:2112.03656 |
we consider the two categories of termination problems of quantum programs with nondeterminism : 1 ) is an input of a program terminating with probability one under all schedulers? if not, how can a scheduler be synthesized to evidence the nontermination? 2 ) are all inputs terminating with probability one under their ... | arxiv:2402.15827 |
we introduce a relativization of the secant sheaves used by ein, green and lazarsfeld and apply this construction to the study of syzygies of canonical curves. as a first application, we give a simpler proof of voisin ' s theorem for general canonical curves. this completely determines the terms of the minimal free res... | arxiv:2003.05849 |
we obtain an inverse of furstenberg ' s correspondence principle in the setting of countable cancellative, amenable semigroups. besides being of intrinsic interest on its own, this result allows us to answer a variety of questions concerning sets of recurrence and van der corput ( vdc ) sets, which were posed by bergel... | arxiv:2409.00885 |
gamma - ray burst ( grb ) progenitors are observationally linked to the death of massive stars. x - ray studies of the grb afterglows can deepen our knowledge of the ionization status and metal abundances of the matter in the grb environment. moreover, the presence of local matter can be inferred through its fingerprin... | arxiv:astro-ph/0511750 |
spin - wave excitations in ensembles of atoms are gaining attention as a quantum information resource. however, current techniques with atomic spin waves do not achieve universal quantum information processing. we conduct a theoretical analysis of methods to create a high - capacity universal quantum processor and netw... | arxiv:2109.15246 |
we discuss the effects of open boundary conditions and boundary induced drift on condensation phenomena in the pair - factorized steady states transport process, a versatile model for stochastic transport with tunable nearest - neighbour interactions. varying the specific type of the boundary implementation as well as ... | arxiv:1508.00619 |
we study stochastic integrals driven by a general subordinator and establish a zero - one law for the finiteness of the resulting integral as well as moment estimates. as an application, we use these results to obtain structural properties of spdes driven by multiplicative pure jump noise, which include ( 1 ) a maximal... | arxiv:2009.04785 |
we propose and investigate a one - parameter probabilistic mixture of one - dimensional elementary cellular automata under the guise of a model for the dynamics of a single - species unstructured population with nonoverlapping generations in which individuals have smaller probability of reproducing and surviving in a c... | arxiv:1710.11305 |
in this paper we continue to advance the theory regarding the riesz fractional gradient in the calculus of variations and fractional partial differential equations begun in an earlier work of the same name. in particular we here establish an $ l ^ 1 $ hardy inequality, obtain further regularity results for solutions of... | arxiv:1611.07204 |
or solid as is the case with water ( h2o ) ; a liquid at room temperature because its molecules are bound by hydrogen bonds. whereas hydrogen sulfide ( h2s ) is a gas at room temperature and standard pressure, as its molecules are bound by weaker dipole – dipole interactions. the transfer of energy from one chemical su... | https://en.wikipedia.org/wiki/Chemistry |
we present a set of equations describing the evolution of the scalar - type cosmological perturbation in a gravity with general quadratic order curvature coupling terms. equations are presented in a gauge ready form, thus are ready to implement various temporal gauge conditions depending on the problems. the ricci - cu... | arxiv:gr-qc/9811013 |
let $ - d $ be a a negative discriminant and let $ t $ vary over a set of representatives of the integral equivalence classes of integral binary quadratic forms of discriminant $ - d $. we prove an asymptotic formula for $ d \ to \ infty $ for the average over $ t $ of the number of representations of $ t $ by an integ... | arxiv:1202.4909 |
we report the observation and characterization of field emission current from individual single - and few - layer graphene flakes laid on a flat sio2 / si substrate. measurements were performed in a scanning electron microscope chamber equipped with nanoprobes, used as electrodes to realize local measurements of the fi... | arxiv:1102.3273 |
according to the formal holographic principle, a modification to the assumption of holographic principle in verlinder ' s investigation of entropy force is obtained. a more precise relation between entropy and area in the holographic system is proposed. with the entropy corrections to the area - relation, we derivate n... | arxiv:1010.3429 |
we report the successful test flight of a device for generating and monitoring correlated photon pairs under near - space conditions up to 35. 5km altitude. data from ground based qualification tests and the high altitude experiment demonstrate that the device continues to operate even under harsh environmental conditi... | arxiv:1404.3971 |
during design optimization, a smooth description of the geometry is important, especially for problems that are sensitive to the way interfaces are resolved, e. g., wave propagation or fluid - structure interaction. a levelset description of the boundary, when combined with an enriched finite element formulation, offer... | arxiv:2003.13751 |
although rdbs store vast amounts of rich, informative data spread across interconnected tables, the progress of predictive machine learning models as applied to such tasks arguably falls well behind advances in other domains such as computer vision or natural language processing. this deficit stems, at least in part, f... | arxiv:2404.18209 |
the three - sphere swimmer by najafi and golestanian is composed of three spheres connected by two arms. the case in which the swimmer can control the lengths of the two arms has been studied in detail. here we study a variation of the model in which the swimmer ' s arms are constructed according to hill ' s model of m... | arxiv:1702.00365 |
a novel spherical convolution is defined through the sifting property of the dirac delta on the sphere. the so - called sifting convolution is defined by the inner product of one function with a translated version of another, but with the adoption of an alternative translation operator on the sphere. this translation o... | arxiv:2007.12153 |
a metric graph is a 1 - dimensional stratified metric space consisting of vertices and edges or loops glued together. metric graphs can be naturally used to represent and model data that take the form of noisy filamentary structures, such as street maps, neurons, networks of rivers and galaxies. we consider the statist... | arxiv:1305.1212 |
the settling of highly elastic non - brownian closed fibres ( called loops ) under gravity in a viscous fluid is investigated numerically. the loops are represented using a bead - spring model with harmonic bending potential and finitely extensible nonlinear elastic ( fene ) stretching potential. numerical solutions to... | arxiv:2411.13563 |
animal vocalisations contain important information about health, emotional state, and behaviour, thus can be potentially used for animal welfare monitoring. motivated by the spectro - temporal patterns of chick calls in the time $ - $ frequency domain, in this paper we propose an automatic system for chick call recogni... | arxiv:2110.03965 |
we analyzed the localized charge dynamics in the system of $ n $ interacting single - level quantum dots ( qds ) coupled to the continuous spectrum states in the presence of coulomb interaction between electrons within the dots. different dots geometry and initial charge configurations were considered. the analysis was... | arxiv:1209.5262 |
in this paper we study the boltzmann equation near global maxwellians in the $ d $ - dimensional whole space. a unique global - in - time mild solution to the cauchy problem of the equation is established in a chemin - lerner type space with respect to the phase variable $ ( x, v ) $. both hard and soft potentials with... | arxiv:1709.09908 |
autonomous vehicles ( avs ) are about to be used in transportation systems in the near future. to increase the level of safety and throughput of these vehicles, dedicated lanes for avs have been suggested in past studies as exclusive mobility infrastructure for these types of vehicles. although these lanes can bring ob... | arxiv:1904.07025 |
optical see - through head - mounted displays ( ost hmds ) are a major output medium for augmented reality, which have seen significant growth in popularity and usage among the general public due to the growing release of consumer - oriented models, such as the microsoft hololens. unlike virtual reality headsets, ost h... | arxiv:1709.04299 |
raman scattering is used to observe pronounced electronic excitations around 230 mev - well above the two - phonon range - in the mott insulators latio $ _ 3 $ and ytio $ _ 3 $. based on the temperature, polarization, and photon energy dependence, the modes are identified as orbital excitations. the observed profiles b... | arxiv:cond-mat/0503106 |
natural language and images are commonly used as goal representations in goal - conditioned imitation learning ( il ). however, natural language can be ambiguous and images can be over - specified. in this work, we propose hand - drawn sketches as a modality for goal specification in visual imitation learning. sketches... | arxiv:2403.02709 |
to better understanding the principal features of collisionless damping / growing plasma waves we have implemented a demonstrative calculation for the simplest cases of electron waves in two - stream plasmas with the delta - function type electron velocity distribution function of each of the streams with velocities v ... | arxiv:0708.0767 |
the curvature and twisting of spacetime rotate the angle of polarization and imprint orbital angular momentum to photons emitted by the accretion disk near rotating black holes. considering polarization and orbital angular momentum as two degrees of freedom of single - photons that can encode quantum information, we em... | arxiv:1702.04640 |
eye - tracking data is a very useful source of information to study cognition and especially language comprehension in humans. in this paper, we describe our systems for the cmcl 2022 shared task on predicting eye - tracking information. we describe our experiments with pretrained models like bert and xlm and the diffe... | arxiv:2204.04998 |
through basin - scale circulations, the ocean regulates global distributions of heat, nutrients, and greenhouse gases. to properly predict the future of the ocean under climate change, we need to develop a thorough understanding of the underlying mechanisms that drive global circulations. an estimated 2 tw of power is ... | arxiv:2408.05593 |
an alternative to density functional theory are wavefunction based electronic structure calculations for solids. in order to perform them the exponential wall ( ew ) problem has to be resolved. it is caused by an exponential increase of the number of configurations with increasing electron number n. there are different... | arxiv:1703.02572 |
in an exact conformal theory there is no particle. the excitations have continuum spectra and are called " unparticles " by georgi. we consider supersymmetric extensions of the standard model with approximate conformal sectors. the conformal symmetry is softly broken in the infrared which generates a gap. however, the ... | arxiv:1003.1163 |
we show that the variance of a probability measure $ \ mu $ on a compact subset $ x $ of a complete metric space $ m $ is bounded by the square of the circumradius $ r $ of the canonical embedding of $ x $ into the space $ p ( m ) $ of probability measures on $ m $, equipped with the wasserstein metric. when barycenter... | arxiv:2006.02984 |
here, we address the essential question of whether, in the context of evolving populations, ecosystems attain properties that enable persistence of the ecosystem itself. we use a simple ecosystem model describing resource, producer, and consumer dynamics to analyze how evolution affects dynamical stability properties o... | arxiv:1407.7412 |
in this paper we propose a bayesian, information theoretic approach to dimensionality reduction. the approach is formulated as a variational principle on mutual information, and seamlessly addresses the notions of sufficiency, relevance, and representation. maximally informative statistics are shown to minimize a kullb... | arxiv:physics/0010039 |
we investigate the su ( $ n $ ) hubbard model for the multi - component fermionic optical lattice system, combining dynamical mean - field theory with the continuous - time quantum monte carlo method. we obtain the finite temperature phase diagrams with $ n \ le 6 $ and find that low temperature properties depends on t... | arxiv:1603.02647 |
superclimbing modes are hallmark degrees of freedom of transverse quantum fluids describing wide superfluid one - dimensional interfaces and / or edges with negligible peierls barrier. we report the first direct numeric evidence of quantum shape fluctuations - - caused by superclimbing modes - - in simple lattice model... | arxiv:2404.03465 |
this is the second paper in our series of five in which we test the master constraint programme for solving the hamiltonian constraint in loop quantum gravity. in this work we begin with the simplest examples : finite dimensional models with a finite number of first or second class constraints, abelean or non - - abele... | arxiv:gr-qc/0411139 |
in loop quantum gravity in the connection representation, the quantum configuration space $ \ bar { \ mathcal { a } / \ mathcal { g } } $, which is a compact space, is much larger than the classical configuration space $ \ mathcal { a } / % \ mathcal { g } $ of connections modulo gauge transformations. one finds that $... | arxiv:gr-qc/0112072 |
we investigate the optical detection of single atoms held in a microscopic atom trap close to a surface. laser light is guided by optical fibers or optical micro - structures via the atom to a photo - detector. our results suggest that with present - day technology, micro - cavities can be built around the atom with su... | arxiv:quant-ph/0210090 |
we study the convergence of $ q $ - learning with linear function approximation. our key contribution is the introduction of a novel multi - bellman operator that extends the traditional bellman operator. by exploring the properties of this operator, we identify conditions under which the projected multi - bellman oper... | arxiv:2309.16819 |
the bepposax wide field cameras detected a transient in ngc6440 on 1998 aug 22. rosat did not detect this source on 1998 sep 8, indicating that the x - ray flux had decreased by a factor 400 at least, and / or that the x - ray spectrum had become appreciably softer. analysis of archival rosat hri data reveals two sourc... | arxiv:astro-ph/0005337 |
we say that a set of points $ s \ subset \ mathbb { r } ^ d $ is an $ \ varepsilon $ - nearly $ k $ - distance set if there exist $ 1 \ le t _ 1 \ le \ ldots \ le t _ k, $ such that the distance between any two distinct points in $ s $ falls into $ [ t _ 1, t _ 1 + \ varepsilon ] \ cup \ ldots \ cup [ t _ k, t _ k + \ ... | arxiv:1906.02574 |
we prove that the eulerian polynomial satisfies certain polynomial congruences. furthermore, these congruences characterize the eulerian polynomial. | arxiv:1611.10147 |
given the euclidean space $ \ r ^ { 2n + 2 } $ endowed with a constant symplectic structure and the standard flat connection, and given a polynomial of degree 2 on that space, baguis and cahen have defined a reduction procedure which yields a symplectic manifold endowed with a ricci - type connection. we observe that a... | arxiv:math/0310375 |
we revisit some issues about existence and regularity for the wave equation in noncylindrical domains. using a method of diffeomorphisms, we show how, through increasing regularity assumptions, the existence of weak solutions, their improved regularity and an energy balance can be derived. as an application, we give a ... | arxiv:2203.03738 |
researchers have recently achieved significant advances in deep learning techniques, which in turn has substantially advanced other research disciplines, such as natural language processing, image processing, speech recognition, and software engineering. various deep learning techniques have been successfully employed ... | arxiv:2410.13110 |
parker solar probes ' s ( psp ) ' s unique orbital path allows us to observe the solar wind closer to the sun than ever before. essential to advancing our knowledge of solar wind and energetic particle formation is identifying the sources of psp observations. we report on results for the first two psp solar encounters ... | arxiv:2205.13010 |
the prospect of using the quantum nature of light for secure communication keeps spurring the search and investigation of suitable sources of entangled - photons. semiconductor quantum dots are arguably the most attractive. they can generate indistinguishable entangled - photons deterministically, and are compatible wi... | arxiv:1507.06612 |
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