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motivated by the recent experimental progress on the $ r _ { d ^ { ( \ ast ) } } $ and $ r _ { k ^ { ( \ ast ) } } $ anomalies in $ b $ - decays, we consider an extension of the standard model by a single vector leptoquark field. we study how one can achieve the required lepton flavour non - universality, starting from... | arxiv:2012.06315 |
this paper presents a comprehensive study of linear - quadratic ( lq ) mean field games ( mfgs ) in hilbert spaces, generalizing the classic lq mfg theory to scenarios involving $ n $ agents with dynamics governed by infinite - dimensional stochastic equations. in this framework, both state and control processes of eac... | arxiv:2403.01012 |
we study when an additive mapping preserving orthogonality between two complex inner product spaces is automatically complex - linear or conjugate - linear. concretely, let $ h $ and $ k $ be complex inner product spaces with dim $ ( h ) \ geq 2 $, and let $ a : h \ to k $ be an additive map preserving orthogonality. w... | arxiv:2503.16341 |
in this article, we consider the heterodinuclear complex [ ni ( dpt ) ( h2o ) cu ( pba ) ]. 2h2o [ pba = 1, 3 - propylenebis ( oxamato ) and dpt = bis - ( 3 - aminopropyl ) amine ] realized through the theoretical model of mixed spin - ( 1 / 2, 1 ) coupled via heisenberg interaction. we study the behaviors of thermal q... | arxiv:2211.16230 |
we demonstrate the existence of a two - dimensional anomalous floquet insulator ( afi ) phase : an interacting ( periodically - driven ) non - equilibrium topological phase of matter with no counterpart in equilibrium. the afi is characterized by a many - body localized bulk, exhibiting nontrivial micromotion within a ... | arxiv:1712.02789 |
mitsch ' s natural partial order on the semigroup of binary relations is here characterised by equations in the theory of relation algebras. the natural partial order has a complex relationship with the compatible partial order of inclusion, which is explored by means of a sublattice of the lattice of preorders on the ... | arxiv:1208.6366 |
as the most energetic explosions in the universe, gamma - ray bursts ( grbs ) are commonly believed to be generated by relativistic jets. recent observational evidence suggests that the jets producing grbs are likely to have a structured nature. some studies have suggested that non - axisymmetric structured jets may be... | arxiv:2310.20442 |
two retractions $ m $ and $ n $ on convex cones $ \ bf m $ and respectively $ \ bf n $ of a real vector space $ x $ are called mutually polar if $ m + n = i $ and $ mn = nm = 0. $ in this note it is shown, that if the cones $ \ bf m $ and $ \ bf n $ are generating, $ \ sigma $ - monotone complete, $ m $ and $ n $ are $... | arxiv:2304.04594 |
we pose a fundamental question in computational learning theory : can we efficiently test whether a training set satisfies the assumptions of a given noise model? this question has remained unaddressed despite decades of research on learning in the presence of noise. in this work, we show that this task is tractable an... | arxiv:2501.09189 |
we derive a weighted $ l ^ 2 $ - estimate of the witten spinor in a complete riemannian spin manifold $ ( m ^ n, g ) $ of non - negative scalar curvature which is asymptotically schwarzschild. the interior geometry of $ m $ enters this estimate only via the lowest eigenvalue of the square of the dirac operator on a con... | arxiv:math/0501195 |
galactic collisions are normally modeled in a cdm model by assuming the dm consists of a small number of very massive objects. this note shows that the behaviour of a cdm halo during collisions depends critically on the mass of the particles that make it up, and in particular, all halo particles below a certain charact... | arxiv:astro-ph/9607090 |
in mathematics, a degenerate case is a limiting case of a class of objects which appears to be qualitatively different from ( and usually simpler than ) the rest of the class ; " degeneracy " is the condition of being a degenerate case. the definitions of many classes of composite or structured objects often implicitly... | https://en.wikipedia.org/wiki/Degeneracy_(mathematics) |
in this study we investigate the structural and chemical changes of monatomic coo $ _ 2 $ chains grown self - organized on the ir ( 100 ) surface [ p. ferstl et al., prl 117, 2016, 046101 ] and on pt ( 100 ) under reducing and oxidizing conditions. by a combination of quantitative low - energy electron diffraction, sca... | arxiv:1810.08574 |
in this manuscript, we investigate the oscillatory behaviour of the anisotropy in the diagonal bianchi - i spacetimes. our starting point is a simplification of einstein ' s equations using only observable or physical variables. as a consequence, we are able to : ( a ) prove general results concerning the existence of ... | arxiv:2104.00470 |
the main contribution of this thesis is a tannaka duality theorem for proper lie groupoids. this result is obtained by replacing the category of smooth vector bundles over the base manifold of a lie groupoid with a larger category, the category of smooth euclidean fields, and by considering smooth actions of lie groupo... | arxiv:0809.3394 |
we prove the existence of entire solutions of the monge - amp \ ` ere equations with prescribed asymptotic behavior at infinity of the plane, which was left by caffarelli - li in 2003. the special difficulty of the problem in dimension two is due to the global logarithmic term in the asymptotic expansion of solutions a... | arxiv:1809.05421 |
within a chiral model which provides a good description of the properties of rho and a _ 1 mesons in vacuum, it is shown that, to order t ^ 2, the rho - and a _ 1 - meson masses remain constant in the chiral limit, even if at tree level they are proportional to the chiral condensate, sigma _ 0. numerically, the tempera... | arxiv:nucl-th/0110005 |
within $ z ^ \ prime $ models, neutral meson mixing severely constrains beyond the standard model ( sm ) effects in flavour changing neutral current ( fcnc ) processes. however, in certain regions of the $ z ^ \ prime $ parameter space, the contributions to meson mixing observables become negligibly small even for larg... | arxiv:2412.14254 |
the highly sensitive, phase - and frequency - resolved detection of microwave electric fields is of central importance for diverse fields ranging from astronomy, remote sensing, communication and microwave quantum technology. however, present quantum sensing of microwave electric fields primarily relies on atom - based... | arxiv:1902.11063 |
with today ' s abundant streams of data, the only constant we can rely on is change. for stream classification algorithms, it is necessary to adapt to concept drift. this can be achieved by monitoring the model error, and triggering counter measures as changes occur. in this paper, we propose a drift detection mechanis... | arxiv:1811.10900 |
autonomous robots, autonomous vehicles, and humans wearing mixed - reality headsets require accurate and reliable tracking services for safety - critical applications in dynamically changing real - world environments. however, the existing tracking approaches, such as simultaneous localization and mapping ( slam ), do ... | arxiv:2407.06889 |
using the recursive green ' s function technique, we study the coherent electron conductance of a quantum point contact in the presence of a scanning probe microscope tip. images of the coherent fringe inside a quantum point contact for different widths are obtained. it is found that the conductance of a specific chann... | arxiv:cond-mat/0208508 |
supervised approaches for neural abstractive summarization require large annotated corpora that are costly to build. we present a french meeting summarization task where reports are predicted based on the automatic transcription of the meeting audio recordings. in order to build a corpus for this task, it is necessary ... | arxiv:2007.15296 |
the paper describes gamification, virality and retention in the freemium educational online platform with 40, 000 users as an example. relationships between virality and retention parameters as measurable metrics are calculated and discussed using real examples. virality and monetization can be both competing and compl... | arxiv:1412.5401 |
theory based ai research has had a hard time recently and the aim here is to propose a model of what llms are actually doing when they impress us with their language skills. the model integrates three established theories of human decision - making from philosophy, sociology, and computer science. the paper starts with... | arxiv:2402.08403 |
multi - view stereo is an important research task in computer vision while still keeping challenging. in recent years, deep learning - based methods have shown superior performance on this task. cost volume pyramid network - based methods which progressively refine depth map in coarse - to - fine manner, have yielded p... | arxiv:2207.12032 |
we devise an ab initio formalism for the quantum dynamics of auger decay by laser - dressed atoms which are inner - shell ionized by extreme ultraviolet ( xuv ) light. the optical dressing laser is assumed to be sufficiently weak such that ground - state electrons are neither excited nor ionized by it. however, the las... | arxiv:0905.3756 |
of the subject. the rules ( which included a + 0 = a { \ displaystyle a + 0 = \ a } and a × 0 = 0 { \ displaystyle a \ times 0 = 0 } ) were all correct, with one exception : 0 0 = 0 { \ displaystyle { \ frac { 0 } { 0 } } = 0 }. later in the chapter, he gave the first explicit ( although still not completely general ) ... | https://en.wikipedia.org/wiki/Indian_mathematics |
monitored many - body systems can exhibit a phase transition between entangling and disentangling dynamical phases by tuning the strength of measurements made on the system as it evolves. this phenomenon is called the measurement - induced phase transition ( mipt ). understanding the properties of the mipt is a promine... | arxiv:2502.01735 |
a field of ~ 38 ' x38 ' around the supernova remnant ( snr ) g349. 7 + 0. 2 has been surveyed in the co j = 1 - 0 transition with the 12 meter telescope of the nrao, using the on - the - fly technique. the resolution of the observations is 54 ". we have found that this remnant is interacting with a small co cloud which... | arxiv:astro-ph/0010041 |
the viscous slowing down of supercooled liquids that leads to glass formation can be considered as a classical, and is assuredly a thoroughly studied, example of a " jamming process ". in this review, we stress the distinctive features characterizing the phenomenon. we also discuss the main theoretical approaches, with... | arxiv:cond-mat/0003368 |
the interactive segmentation task consists in the creation of object segmentation masks based on user interactions. the most common way to guide a model towards producing a correct segmentation consists in clicks on the object and background. the recently published segment anything model ( sam ) supports a generalized ... | arxiv:2404.08421 |
we show that the duality between channel capacity and data compression is retained when state information is available to the sender, to the receiver, to both, or to neither. we present a unified theory for eight special cases of channel capacity and rate distortion with state information, which also extends existing r... | arxiv:cs/0508050 |
in this work we propose a method for probing the chirality of nanoscale electromagnetic near fields utilizing the properties of a coherent superposition of free - electron vortex states in electron microscopes. electron beams optically modulated into vortices carry orbital angular momentum, thanks to which they are sen... | arxiv:2411.05579 |
pull - back transformations between heun and gauss hypergeometric equations give useful expressions of heun functions in terms of better understood hypergeometric functions. this article classifies, up to mobius automorphisms, the coverings p1 - to - p1 that yield pull - back transformations from hypergeometric to heun... | arxiv:1204.2730 |
time reversal of acoustic waves can be achieved efficiently by the persistent control of excitations in a finite region of the system. the procedure, called time reversal mirror, is stable against the inhomogeneities of the medium and it has numerous applications in medical physics, oceanography and communications. as ... | arxiv:0802.2110 |
laryngeal cancer is a malignant disease with a high morality rate in otorhinolaryngology, posing an significant threat to human health. traditionally larygologists manually visual - inspect laryngeal cancer in laryngoscopic videos, which is quite time - consuming and subjective. in this study, we propose a novel automa... | arxiv:2409.01459 |
we study m - theory fivebranes wrapped on special lagrangian submanifolds ( $ \ s _ n $ ) in calabi - yau three - and fourfolds. when the m5 wraps a four - cycle, the resulting theory is a two - dimensional domain wall embedded in three - dimensional bulk with four supercharges. the theory on the wall is specified in t... | arxiv:hep-th/9906190 |
a set a of positive integers is called a perfect difference set if every nonzero integer has an unique representation as the difference of two elements of a. we construct dense perfect difference sets from dense sidon sets. as a consequence of this new approach, we prove that there exists a perfect difference set a suc... | arxiv:math/0609244 |
precise energies of rovibrational states of the exotic hydrogen - like molecule $ ( dt \ mu ) xee $ are of importance for $ dt \ mu $ resonant formation, which is a key process in the muon - catalyzed fusion cycle. the effect of the internal structure and motion of the $ dt \ mu $ quasi - nucleus on energy levels is st... | arxiv:physics/0403116 |
we formulated and implemented a procedure to generate aliasing - free excitation source signals. it uses a new antialiasing filter in the continuous time domain followed by an iir digital filter for response equalization. we introduced a cosine - series - based general design procedure for the new antialiasing function... | arxiv:1702.06724 |
let \ zeta be the intersection exponent of random walks in z ^ 3 and \ alpha be a positive real number. we construct a stochastic process from a simple random walk by erasing loops of length at most n ^ \ alpha. we will prove that for \ alpha < \ frac { 1 } { 1 + 2 \ zeta }, the limiting distribution is gaussian. for \... | arxiv:math/0411551 |
in recent years, large strides have been taken in developing machine learning methods for dermatological applications, supported in part by the success of deep learning ( dl ). to date, diagnosing diseases from images is one of the most explored applications of dl within dermatology. convolutional neural networks ( con... | arxiv:2302.12084 |
the apparent lack of cold molecular gas in blue compact dwarf ( bcd ) galaxies is at variance with their intense star - formation episode. the co molecule, often used a tracer of h2 through a conversion function, is selectively photodissociated in dust - poor environments and, as a result, a potentially large fraction ... | arxiv:1809.08077 |
rap generation, which aims to produce lyrics and corresponding singing beats, needs to model both rhymes and rhythms. previous works for rap generation focused on rhyming lyrics but ignored rhythmic beats, which are important for rap performance. in this paper, we develop deeprapper, a transformer - based rap generatio... | arxiv:2107.01875 |
multiparticle entanglement is of great significance for quantum metrology and quantum information processing. we here present an efficient scheme to generate stable multiparticle entanglement in a solid state setup, where an array of silicon - vacancy centers are embedded in a quasi - one - dimensional acoustic diamond... | arxiv:2002.10760 |
the magnetic behavior of $ fe _ { 3 - x } o _ 4 $ nanoparticles synthesized either by high - temperature decomposition of an organic iron precursor or low - temperature co - precipitation in aqueous conditions, is compared. transmission electron microscopy, x - ray absorption spectroscopy, x - ray magnetic circular dic... | arxiv:1011.2573 |
self / other distinction and self - recognition are important skills for interacting with the world, as it allows humans to differentiate own actions from others and be self - aware. however, only a selected group of animals, mainly high order mammals such as humans, has passed the mirror test, a behavioural experiment... | arxiv:2004.05473 |
the rsa cryptosystem, now widely used for the security of computer networks. in the 19th century, mathematicians such as karl weierstrass and richard dedekind increasingly focused their research on internal problems, that is, pure mathematics. this led to split mathematics into pure mathematics and applied mathematics,... | https://en.wikipedia.org/wiki/Mathematics |
packet loss is a major cause of voice quality degradation in voip transmissions with serious impact on intelligibility and user experience. this paper describes a system based on a generative adversarial approach, which aims to repair the lost fragments during the transmission of audio streams. inspired by the powerful... | arxiv:2307.15611 |
we discuss a novel mechanism of axion production during scattering of alfven waves by a fast moving schwarzschild black holes. the process couples classical macroscopic objects, and effectively large amplitude electromagnetic ( em ) waves, to microscopic axions. the key ingredient is that the motion of a black hole ( b... | arxiv:2108.06364 |
we show that an isometric action of a compact quantum group on the underlying geodesic metric space of a compact connected riemannian manifold $ ( m, g ) $ with strictly negative curvature is automatically classical, in the sense that it factors through the action of the isometry group of $ ( m, g ) $. this partially a... | arxiv:1503.07984 |
we develop an approach through geometric functional analysis to error correcting codes and to reconstruction of signals from few linear measurements. an error correcting code encodes an n - letter word x into an m - letter word y in such a way that x can be decoded correctly when any r letters of y are corrupted. we pr... | arxiv:math/0502299 |
we analyze the finite size corrections to entanglement in quantum critical systems. by using conformal symmetry and density functional theory, we discuss the structure of the finite size contributions to a general measure of ground state entanglement, which are ruled by the central charge of the underlying conformal fi... | arxiv:0808.0020 |
nonlocal two - qubit quantum gates are represented by canonical decomposition or equivalently by operator - schmidt decomposition. the former decomposition results in geometrical representation such that all the two - qubit gates form tetrahedron within which perfect entanglers form a polyhedron. on the other hand, it ... | arxiv:1006.3412 |
in general the kernel of qcd ' s gap equation possesses a domain of analyticity upon which the equation ' s solution at nonzero chemical potential is simply obtained from the in - vacuum result through analytic continuation. on this domain the single - quark number - and scalar - density distribution functions are mu -... | arxiv:0807.2755 |
the homotopy coherent nerve from simplicial categories to simplicial sets and its left adjoint c are important to the study of ( infinity, 1 ) - categories because they provide a means for comparing two models of their respective homotopy theories, giving a quillen equivalence between the model structures for quasi - c... | arxiv:0912.4809 |
this paper maps out the relation between different approaches for handling preferences in argumentation with strict rules and defeasible assumptions by offering translations between them. the systems we compare are : non - prioritized defeats i. e. attacks, preference - based defeats, and preference - based defeats ext... | arxiv:1709.07255 |
the automatic synthesis of policies for robotic - control tasks through reinforcement learning relies on a reward signal that simultaneously captures many possibly conflicting requirements. in this paper, we in \ - tro \ - duce a novel, hierarchical, potential - based reward - shaping approach ( hprs ) for defining eff... | arxiv:2110.02792 |
we present a study of the effects of collisional dynamics on the formation and detectability of cold tidal streams. a semi - analytical model for the evolution of the stellar mass function was implemented and coupled to a fast stellar stream simulation code, as well as the synthetic cluster evolution code emacss for th... | arxiv:1702.02543 |
well - designed current control is a key factor in ensuring the efficient and safe operation of modular multilevel converters ( mmcs ). even though this control problem involves multiple control objectives, conventional current control schemes are comprised of independently designed decoupled controllers, e. g., propor... | arxiv:2403.18371 |
radar and lidar, provided by two different range sensors, each has pros and cons of various perception tasks on mobile robots or autonomous driving. in this paper, a monte carlo system is used to localize the robot with a rotating radar sensor on 2d lidar maps. we first train a conditional generative adversarial networ... | arxiv:2005.04644 |
egocentric augmented reality devices such as wearable glasses passively capture visual data as a human wearer tours a home environment. we envision a scenario wherein the human communicates with an ai agent powering such a device by asking questions ( e. g., where did you last see my keys? ). in order to succeed at thi... | arxiv:2205.01652 |
it is proved that dicritical singularities of real analytic levi - flat sets coincide with the set of segre degenerate points. | arxiv:1606.09294 |
link prediction is an important task in social network analysis. there are different characteristics ( features ) in a social network that can be used for link prediction. in this paper, we evaluate the effectiveness of aggregated features and topological features in link prediction using supervised learning. the aggre... | arxiv:2006.16327 |
in this paper we present a new steepest - descent type algorithm for convex optimization problems. our algorithm pieces the unknown into sub - blocs of unknowns and considers a partial optimization over each sub - bloc. in quadratic optimization, our method involves newton technique to compute the step - lengths for th... | arxiv:1403.7254 |
this review presents and evaluates various formalisms for the purpose of modelling the semantics of financial derivatives contracts. the formalism proposed by lee is selected as the best candidate among those initially reviewed. further examination and evaluation of this formalism is done. | arxiv:1901.01815 |
in this paper we present a new point of view on the mathematical foundations of statistical physics of infinite volume systems. this viewpoint is based on the newly introduced notions of transition energy function, transition energy field and one - point transition energy field. the former of them, namely the transitio... | arxiv:1810.05388 |
a graph $ g = ( v, e ) $ is total weight $ ( k, k ' ) $ - choosable if the following holds : for any list assignment $ l $ which assigns to each vertex $ v $ a set $ l ( v ) $ of $ k $ real numbers, and assigns to each edge $ e $ a set $ l ( e ) $ of $ k ' $ real numbers, there is a proper $ l $ - total weighting, i. e... | arxiv:2104.05410 |
we investigate minimum weak $ \ alpha $ - riesz energy problems with external fields in both the unconstrained and constrained settings for generalized condensers $ ( a _ 1, a _ 2 ) $ such that the closures of $ a _ 1 $ and $ a _ 2 $ in $ \ mathbb r ^ n $ are allowed to intersect one another. ( such problems with the s... | arxiv:1810.00791 |
small angular scale structure of the soft x - ray background correlated with the galaxy distribution is investigated. an extensive data sample from the rosat and xmm - newton archives are used. excess emission below 1 kev extending up to at least 1. 5 mpc around galaxies is detected. the relative amplitude of the exces... | arxiv:astro-ph/0501275 |
density functional calculations of the electronic structure are used to elucidate the bonding of li $ _ 3 $ alh $ _ 6 $. it is found that this material is best described as ionic, and in particular that the [ alh $ _ 6 $ ] $ ^ { 3 - } $ units are not reasonably viewed as substantially covalent. | arxiv:cond-mat/0407232 |
when each edge device of a network only perceives a local part of the environment, collaborative inference across multiple devices is often needed to predict global properties of the environment. in safety - critical applications, collaborative inference must be robust to significant network failures caused by environm... | arxiv:2312.16638 |
graphene ranks highly as a possible material for future high - speed and flexible electronics. current fabrication routes, which rely on metal substrates, require post synthesis transfer of the graphene onto a si wafer or in the case of epitaxial growth on sic, temperatures above 1000 { \ deg } c are required. both the... | arxiv:1103.0497 |
mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. there are many areas of mathematics, which include number theory ( the study of numbers ), algebra ( the study of formulas and related str... | https://en.wikipedia.org/wiki/Mathematics |
we explore a nonlinear field model to describe the interplay between the ability of excitons to be bose condensed and their interaction with other modes of a crystal. we apply our consideration to the long - living paraexcitons in cu2o. taking into account the exciton - phonon interaction and introducing a coherent pho... | arxiv:cond-mat/9912339 |
we propose and demonstrate the functioning of a special rapid single flux quantum ( rsfq ) circuit with frequency - dependent damping. this damping is achieved by shunting individual josephson junctions by pieces of open - ended rc transmission lines. our circuit includes a toggle flip - flop cell, josephson transmissi... | arxiv:0804.0442 |
the isolation intervals of the real roots of the symbolic monic cubic polynomial $ x ^ 3 + a x ^ 2 + b x + c $ are determined, in terms of the coefficients of the polynomial, by solving the siebeck - marden - northshield triangle - the equilateral triangle that projects onto the three real roots of the cubic polynomial... | arxiv:2107.01847 |
the increasing volumes of data produced by high - throughput instruments coupled with advanced computational infrastructures for scientific computing have enabled what is often called a { \ em fourth paradigm } for scientific research based on the exploration of large datasets. current scientific research is often inte... | arxiv:2207.06890 |
a lot of technological advances depend on next - generation materials, such as graphene, which enables a raft of new applications, for example better electronics. manufacturing such materials is often difficult ; in particular, producing graphene at scale is an open problem. we provide a series of datasets that describ... | arxiv:2107.14257 |
an index - guiding photonic crystal fiber ( pcf ) with an array of air holes surrounding the silica core region has special characteristics compared to conventional single - mode fibers ( smfs ). using the effective index method and the gaussian beam propagation theory, the macro - bending and splice losses for pcfs ar... | arxiv:0705.2875 |
the characteristics of the star with the " prescribed " density distribution $ \ rho = \ rho _ c [ 1 - ( r / r ) ^ \ alpha ] $ are analytically studied. | arxiv:astro-ph/0003430 |
the cuprates exhibit a prominent charge - density - wave ( cdw ) instability with wavevector along [ 100 ], i. e., the cu - o bond direction. whereas cdw order is most prominent at moderate doping and low temperature, there exists increasing evidence for dynamic charge correlations throughout a large portion of the tem... | arxiv:2002.02593 |
trapped ions for quantum information processing has been an area of intense study due to the extraordinarily high fidelity operations that have been reported experimentally. specifically, barium trapped ions have been shown to have exceptional state - preparation and measurement ( spam ) fidelities. the $ ^ { 133 } \ m... | arxiv:2402.06632 |
over the past few years the displacement statistics of self - propelled particles has been intensely studied, revealing their long - time diffusive behavior. here, we demonstrate that a concerted combination of boundary conditions and switching on and off the self - propelling drive can generate and afterwards arbitrar... | arxiv:1505.01706 |
we propose a novel way to communicate signals in the form of waves across a d - dimensional lattice. the mechanism is based on quantum search algorithms and makes it possible to both search for marked positions in a regular grid and to communicate between two ( or more ) points on the lattice. remarkably, neither the s... | arxiv:1001.0335 |
we reconsider randomized algorithms for the low - rank approximation of symmetric positive semi - definite ( spsd ) matrices such as laplacian and kernel matrices that arise in data analysis and machine learning applications. our main results consist of an empirical evaluation of the performance quality and running tim... | arxiv:1303.1849 |
modern programming follows the continuous integration ( ci ) and continuous deployment ( cd ) approach rather than the traditional waterfall model. even the development of modern programming languages uses the ci / cd approach to swiftly provide new language features and to adapt to new development environments. unlike... | arxiv:2102.07498 |
we investigate quantum symmetries in terms of their large - time stability with respect to perturbations of the hamiltonian. we find a complete algebraic characterization of the set of symmetries robust against a single perturbation and we use such result to characterize their stability with respect to arbitrary sets o... | arxiv:2411.18529 |
we analyze the transverse k \ " { a } hler - ricci flow equation on sasaki - ein \ - stein space $ y ^ { p, q } $. explicit solutions are produced representing new five - dimensional sasaki structures. solutions which do not modify the transverse metric preserve the sasaki - einstein feature of the contact structure. i... | arxiv:1910.12495 |
we experimentally investigate the phase winding dynamics of a harmonically trapped two - component bec subject to microwave induced rabi oscillations between two pseudospin components. while the single particle dynamics can be explained by mapping the system to a two - component bose - hubbard model, nonlinearities due... | arxiv:1306.6102 |
we analyze the behavior of a suspension of rigid rod - like particles in shear flow using a modified version of the doi model, and construct diagrams for phase coexistence under conditions of constant imposed stress and constant imposed strain rate, among paranematic, flow - aligning nematic, and log - rolling nematic ... | arxiv:cond-mat/9904236 |
we study the mobility of an overdamped particle in a periodic potential tilted by a constant force. the mobility exhibits a stochastic resonance in inhomogeneous systems with space dependent friction coefficient. the result indicates that the presence of oscillating external field is not essential for the observability... | arxiv:cond-mat/9902216 |
this is a book about lieb ' s simplified approach to the bose gas, which is a family of effective single - particle equations to study the ground state of many - body systems of interacting bosons. it was introduced by lieb in 1963, and recently found to have some rather intriguing properties. one of the equations of t... | arxiv:2308.00290 |
we investigate the geometric properties of lightlike surfaces in the minkowski space $ \ r ^ { 2, 1 } $, using cartan ' s method of moving frames to compute a complete set of local invariants for such surfaces. using these invariants, we give a complete local classification of lightlike surfaces of constant type in $ \... | arxiv:1302.7015 |
long wavelength dynamics of 1d bose gases with repulsive contact interactions can be captured by generalized hydrodynamics ( ghd ) which predicts the evolution of the local rapidity distribution. the latter corresponds to the momentum distribution of quasiparticles, which have infinite lifetime owing to the integrabili... | arxiv:2505.05839 |
he et al. ( 2018 ) have called into question the utility of pre - training by showing that training from scratch can often yield similar performance to pre - training. we show that although pre - training may not improve performance on traditional classification metrics, it improves model robustness and uncertainty est... | arxiv:1901.09960 |
shot boundary detection in video is one of the key stages of video data processing. a new method for shot boundary detection based on several video features, such as color histograms and object boundaries, has been proposed. the developed algorithm was tested on the open bbc planet earth [ 1 ] and rai [ 2 ] datasets, a... | arxiv:2109.01057 |
several finite dimensional quasi - probability representations of quantum states have been proposed to study various problems in quantum information theory and quantum foundations. these representations are often defined only on restricted dimensions and their physical significance in contexts such as drawing quantum -... | arxiv:0711.2658 |
the path integral molecular dynamics ( pimd ) method provides a convenient way to compute the quantum mechanical structural and thermodynamic properties of condensed phase systems at the expense of introducing an additional set of high - frequency normal modes on top of the physical vibrations of the system. efficientl... | arxiv:1009.1045 |
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