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a neutral structure in the $ d \ bar { d } ^ { * } $ system around the $ d \ bar { d } ^ { * } $ mass threshold is observed with a statistical significance greater than 10 $ \ sigma $ in the processes $ e ^ { + } e ^ { - } \ rightarrow d ^ { + } d ^ { * - } \ pi ^ { 0 } + c. c. $ and $ e ^ { + } e ^ { - } \ rightarrow ... | arxiv:1509.05620 |
ultrafast intersubband excitation of electrons in tunnell - coupled wells is studied depending on the structure parameters, the duration of the infrared pump and the detuning frequency. the temporal dependencies of the photoinduced concentration and dipole moment are obtained for two cases of transitions : from the sin... | arxiv:cond-mat/0307417 |
the renormalized trajectory of massless $ \ phi ^ 4 $ - theory on four dimensional euclidean space - time is investigated as a renormalization group invariant curve in the center manifold of the trivial fixed point, tangent to the $ \ phi ^ 4 $ - interaction. we use an exact functional differential equation for its dep... | arxiv:hep-th/9612226 |
we analyze the projected sensitivity of a laboratory - scale ytterbium atom interferometer to scalar, vector, and axion dark matter signals. a frequency ratio measurement between two transitions in $ ^ { 171 } $ yb enables a search for variations of the fine - structure constant that could surpass existing limits by a ... | arxiv:2406.00716 |
although single - layer transition - metal dichalcogenides with novel valley functionalities are promising candidate to realize valleytronic devices, the essential understanding of valley depolarization mechanisms is still incomplete. based on pump - probe experiments performed for mose2 and wse2 monolayers and corrobo... | arxiv:2010.11758 |
we show that the standard quantized coordinate ring a of quantum sl ( n ) satisfies van den bergh ' s analogue of poincare duality for hochschild ( co ) homology with dualizing bimodule being a _ sigma, the a - bimodule which is a as k - vector space with right multiplication twisted by the modular automorphism sigma o... | arxiv:math/0509254 |
a recent open problem was stated on the geometric properties of $ \ varphi $ - fixed points of self - mappings of a metric space in the non - unique fixed point cases. in this paper, we deal with the solutions of this open problem and present some solutions via the help of appropriate auxiliary numbers and geometric co... | arxiv:2107.11199 |
information - centric networking ( icn ) is an emerging internet architecture that offers promising features, such as in - network caching and named data addressing, to support the edge computing paradigm, in particular internet - of - things ( iot ) applications. icn can benefit from complex event processing ( cep ), ... | arxiv:2012.05070 |
in the present paper, a new three - scale asymptotic homogenization method is proposed to study the electrical behavior of the cardiac tissue structure with multiple heterogeneities at two different levels. the first level is associated with the mesoscopic structure such that the cardiac tissue is composed of extracell... | arxiv:2201.03412 |
in this paper, we introduce a class of homeomorphisms between metric spaces, which are locally bih \ " { o } lder continuous mappings. then an embedding result between besov spaces induced by locally bih \ " { o } lder continuous mappings between ahlfors regular spaces is established, which extends the corresponding re... | arxiv:2302.11094 |
1879 – 1948 ), archaeologist and iranologist franz hillinger ( 1895 – 1973 ), architect of the neues bauen ( new objectivity ) movement in berlin and in turkey. fritz houtermans ( 1903 – 1966 ) dutch - austrian - german atomic and nuclear physicist hugo junkers ( 1859 – 1935 ), former of junkers & co, a major german ai... | https://en.wikipedia.org/wiki/Technische_Universität_Berlin |
branching processes in a random environment ( bpres ) $ ( z _ n : n \ geq0 ) $ are a generalization of galton watson processes where in each generation the reproduction law is picked randomly in an i. i. d. manner. we determine here the upper large deviation of the process when the reproduction law may have heavy tails... | arxiv:1004.1263 |
while there are novel point cloud semantic segmentation schemes that continuously surpass state - of - the - art results, the success of learning an effective model usually rely on the availability of abundant labeled data. however, data annotation is a time - consuming and labor - intensive task, particularly for larg... | arxiv:2110.01462 |
the pauli - hamiltonian of a molecule with fixed nuclei in a strong constant magnetic field is asymptotic, in norm - resolvent sense, to an effective hamiltonian which has the form of a multi - particle schr \ " odinger operator with interactions given by one - dimensional \ delta - potentials. we study this effective ... | arxiv:1208.2713 |
the multi - population replicator dynamics ( rd ) can be considered a dynamic approach to the study of multi - player games, where it was shown to be related to cross ' learning, as well as of systems of coevolving populations. however, not all of its equilibria are nash equilibria ( ne ) of the underlying game, and ne... | arxiv:1905.07839 |
photonic integrated circuits ( pics ) are attractive platforms to perform large - scale quantum information processing. while highly - functional pics ( e. g. silicon based photonic - circuits ) and high - performance single photon sources ( spss, e. g. compound - semiconductor quantum dots ( qds ) ) have been independ... | arxiv:1801.07915 |
pretrained language models are an integral part of ai applications, but their high computational cost for training limits accessibility. initiatives such as bloom and starcoder aim to democratize access to pretrained models for collaborative community development. despite these efforts, such models encounter challenges... | arxiv:2404.00399 |
direct - collapse black holes ( dcbhs ) are currently one of the leading contenders for the origins of the first quasars in the universe, over 300 of which have now been found at $ z > $ 6. but the birth of a dcbh in an atomically - cooling halo does not by itself guarantee it will become a quasar by $ z \ sim $ 7, the... | arxiv:2005.03018 |
a critical step in data analysis for many different types of experiments is the identification of features with theoretically defined shapes in n - dimensional datasets ; examples of this process include finding peaks in multi - dimensional molecular spectra or emitters in fluorescence microscopy images. identifying su... | arxiv:2109.12462 |
combining fields of computer technology, design, art and the humanities. established as a modern degree addressing needs for cross - disciplinary interaction, one of its fundamental objectives is to develop lateral thinking skills across more rigidly defined academic areas recognized as a valuable component in expandin... | https://en.wikipedia.org/wiki/Creative_technology |
the purpose of this paper is to introduce different types of operations on fuzzy ideals of $ \ gamma $ - semirings and to prove subsequently that these oprations give rise to different structures such as complete lattice, modular lattice on some restricted class of fuzzy ideals of $ \ gamma $ - semirings. a characteriz... | arxiv:1101.4791 |
nuclei in dense matter are influenced by the medium. in the cluster mean field approximation, an effective schr \ " odinger equation for the $ a $ - particle cluster is obtained accounting for the effects of the correlated medium such as self - energy, pauli blocking and bose enhancement. similar to the single - baryon... | arxiv:0810.4645 |
predictive modeling in healthcare continues to be an active actuarial research topic as more insurance companies aim to maximize the potential of machine learning approaches to increase their productivity and efficiency. in this paper, the authors deployed three regression - based ensemble ml models that combine variat... | arxiv:2311.14139 |
we present a new multi - dimensional, robust, and cell - centered finite - volume scheme for the ideal mhd equations. this scheme relies on relaxation and splitting techniques and can be easily used at high order. a fully conservative version is not entropy satisfying but is observed experimentally to be more robust th... | arxiv:2409.14992 |
we introduce a solvable stochastic model inspired by granular gases for driven dissipative systems. we characterize far from equilibrium steady states of such systems through the non - boltzmann energy distribution and compare different measures of effective temperatures. as an example we demonstrate that fluctuation -... | arxiv:cond-mat/0407620 |
an overview of the most important experimental results obtained in the first three running years with the brahms experiment from brookhaven national laboratory ( usa ) is presented. the design of the experiment permits to measure the interesting physical quantities in a large ranges of rapidity and transverse momentum.... | arxiv:nucl-ex/0404011 |
we set up cosmological perturbation theory and study the cosmological implications of the so - called ` ` generalized galileon ' ' developed in \ cite { deffayet : 2011gz, horndeski }. this is the most general scalar field theory whose lagrangian contains derivatives up to second order while keeping second order equati... | arxiv:1107.2642 |
we perform monte carlo simulations of a lattice gauge system with an action which contains two parallel plaquettes. the action is defined as a product of gauge group variables over two parallel plaquettes belonging to a given three - dimensional cube. the peculiar property of this system is that it has strong degenerac... | arxiv:hep-lat/9904014 |
be deduced, with the implicit function theorem from the definition given above, in § tangent plane and normal vector. the direction of the normal is the gradient, that is the vector [ ∂ f ∂ x ( x 0, y 0, z 0 ), ∂ f ∂ y ( x 0, y 0, z 0 ), ∂ f ∂ z ( x 0, y 0, z 0 ) ]. { \ displaystyle \ left [ { \ frac { \ partial f } { ... | https://en.wikipedia.org/wiki/Surface_(mathematics) |
an isometric operator $ v $ in a pontryagin space $ \ mathcal { h } $ is called standard, if its domain and the range are nondegenerate subspaces in $ \ mathcal { h } $. generalized resolvents of standard isometric operators were described in the paper of a. dijksma, h. langer, and h. de snoo in 1990. in the present pa... | arxiv:1512.08945 |
graph neural networks ( gnns ) have been widely applied to different tasks such as bioinformatics, drug design, and social networks. however, recent studies have shown that gnns are vulnerable to adversarial attacks which aim to mislead the node or subgraph classification prediction by adding subtle perturbations. dete... | arxiv:2212.13607 |
here we a present a density functional theory study of pentacene ultra - thin films on flat [ ( 111 ) ] and vicinal [ ( 455 ) ] au surfaces. we have performed crystal and electronic structure calculations by using pbe and optb86b - vdw functionals and investigated the effects of long range van der waals interactions fo... | arxiv:1412.0922 |
an intertwine of a pair of matroids is a matroid such that it, but none of its proper minors, has minors that are isomorphic to each matroid in the pair. for pairs for which neither matroid can be obtained, up to isomorphism, from the other by taking free extensions, free coextensions, and minors, we construct a family... | arxiv:1003.1120 |
learning to learn has emerged as an important direction for achieving artificial intelligence. two of the primary barriers to its adoption are an inability to scale to larger problems and a limited ability to generalize to new tasks. we introduce a learned gradient descent optimizer that generalizes well to new tasks, ... | arxiv:1703.04813 |
the concept of a temporal phylogenetic network is a mathematical model of evolution of a family of natural languages. it takes into account the fact that languages can trade their characteristics with each other when linguistic communities are in contact, and also that a contact is only possible when the languages are ... | arxiv:cs/0508129 |
fano resonances and their strong doping dependence are observed in raman scattering of single - layer graphene ( slg ). as the fermi level is varied by a back - gate bias, the raman g band of slg exhibits an asymmetric line shape near the charge neutrality point as a manifestation of a fano resonance, whereas the line ... | arxiv:1305.5589 |
wide - bandgap ( wbg ) semiconductors have promising applications in power electronics due to their high voltages, radio frequencies, and tolerant temperatures. among all the wbg semiconductors, sic has attracted attention because of its high mobility, high thermal stability, and high thermal conductivity. however, the... | arxiv:2401.09212 |
the minimum enclosing ball ( meb ) problem is one of the most fundamental problems in clustering, with applications in operations research, statistics and computational geometry. in this works, we give the first differentially private ( dp ) fptas for the minimum enclosing ball problem, improving both on the runtime an... | arxiv:2206.03319 |
in order to describe correctly the interplay of extrinsic and intrinsic spin - orbit mechanisms to the spin hall effect, it is necessary to consider different sources of spin relaxation. we take into account the spin relaxation time $ \ tau _ { dp } $ due to the dyakonov - perel mechanism as well as the elliot - yafet ... | arxiv:0909.1880 |
cross - sections on the total transverse momentum transfer is determined in $ pp $ collisions and is found consistent with the behaviour observed in electron - proton collisions. | arxiv:2409.03496 |
this is an article submitted to the ten simple rules series of professional development articles published by plos computational biology. | arxiv:1807.05016 |
in this paper we explore a method to create anonymous services on top of the stork framework, to be used for electronic surveys or elections. the stork project aims to realize a single electronic identification and authentication area across europe. for verifiable and anonymous voting, users should be authenticated wit... | arxiv:1611.09332 |
the hole - doped antiferromagnetic spin - 1 / 2 two - leg ladder is an important model system for the high - $ t _ c $ superconductors based on cuprates. using the technique of self - similar continuous unitary transformations we derive effective hamiltonians for the charge motion in these ladders. the key advantage of... | arxiv:1103.0162 |
we present a new tool for colour - magnitude diagram ( cmd ) studies, $ powerful ~ cmd $. this tool is built on the basis of the advanced stellar population synthesis ( asps ) model, in which single stars, binary stars, rotating stars, and star formation history have been taken into account. via $ powerful ~ cmd $, the... | arxiv:1704.02415 |
we construct curved backgrounds with euclidean signature admitting rigid supersymmetry by using a 5d n = 1 off - shell poincare supergravity. we solve the conditions for the background weyl multiplet and vector multiplets that preserve at least one supersymmetry parameterized by a symplectic majorana spinor, and repres... | arxiv:1404.0210 |
the transition quadrupole moments, $ q _ { \ rm t } $, of four weakly populated collective bands up to spin $ \ sim $ $ 65 \ hbar $ in $ ^ { 157, 158 } $ er have been measured to be $ { \ sim } 11 { \ rm eb } $ demonstrating that these sequences are associated with large deformations. however, the data are inconsistent... | arxiv:1011.1836 |
we define the notion of affine rigidity of a hypergraph and prove a variety of fundamental results for this notion. first, we show that affine rigidity can be determined by the rank of a specific matrix which implies that affine rigidity is a generic property of the hypergraph. then we prove that if a graph is is $ ( d... | arxiv:1011.5553 |
in this work we find a solution to problem of the heat equation which is annihiliated at a cubic boundary $ f $. the solution turns out to be the convolution between the fundamental solution of the heat equation and a function $ \ phi $ which solves a third order ode. however we believe that the main contribution is th... | arxiv:1606.06229 |
we report the development of a fiber - based single spatial mode source of photon - pairs where the efficiency of extracting photon - pairs is improved over a previous source [ 18 ] through the use of fiber - end expansion and bragg filters. this improvement in efficiency enabled a spectrally bright and pure photon - p... | arxiv:0906.3328 |
covariance of the resulting probabilities requires the " anti - ito " sense. the corresponding fokker - planck equation is simplified and preserves important features of the case with a constant diffusion. multiplicative noise can always be removed by a change of the variables, which is specified explicitly. | arxiv:1510.01247 |
it has been shown by pittel and romik that the random surface associated with a large rectangular young tableau converges to a deterministic limit. we study the fluctuations from this limit along the edges of the rectangle. we show that in the corner, these fluctuations are gaussian wheras, away from the corner and whe... | arxiv:1510.06598 |
we propose a route toward realizing fractionalized topological phases of matter ( i. e. with intrinsic topological order ) by literally building on un - fractionalized phases. our approach employs a kondo lattice model in which a gapped electronic system of non - interacting fermions is coupled to non - interacting loc... | arxiv:1610.04614 |
today, there are standard and well established procedures within the human activity recognition ( har ) pipeline. however, some of these conventional approaches lead to accuracy overestimation. in particular, sliding windows for data segmentation followed by standard random k - fold cross validation, produce biased res... | arxiv:2310.11950 |
the babar collaboration measurements of the b - > pipi, b - > rhopi and b - > rhorho decays are presented. new results, from a 113 fb - 1 data sample, on the time - dependent cp asymmetries of the longitudinally polarized component of the b0 - > rho + rho - channel are s _ { rhorho, long } = - 0. 19 + / - 0. 33 + / - 0... | arxiv:hep-ex/0407051 |
the ocean ) encircled nbwt ( " dry lands " or " islands " ). the israelites also imagined the earth to be a disc floating on water with an arched firmament above it that separated the earth from the heavens. the sky was a solid dome with the sun, moon, planets, and stars embedded in it. = = = = greece = = = = = = = = =... | https://en.wikipedia.org/wiki/Flat_Earth |
this paper is devoted to study the following choquard equation \ begin { eqnarray * } \ left \ { \ begin { array } { lll } ( - \ triangle ) ^ { \ alpha / 2 } u = ( | x | ^ { \ beta - n } \ ast u ^ p ) u ^ { p - 1 }, ~ ~ ~ & x \ in r ^ n, u \ geq0, \, \, & x \ in r ^ n, \ end { array } \ right. \ end { eqnarray * } wher... | arxiv:1704.02190 |
in this paper, we consider the problem of characterizing a robust global dependence between two brain regions where each region may contain several voxels or channels. this work is driven by experiments to investigate the dependence between two cortical regions and to identify differences in brain networks between brai... | arxiv:2412.10521 |
we consider the problem of minimizing a given $ n $ - variate polynomial $ f $ over the hypercube $ [ - 1, 1 ] ^ n $. an idea introduced by lasserre, is to find a probability distribution on $ [ - 1, 1 ] ^ n $ with polynomial density function $ h $ ( of given degree $ r $ ) that minimizes the expectation $ \ int _ { [ ... | arxiv:1603.03329 |
tight - binding models for ultracold atoms in optical lattices can be properly defined by using the concept of maximally localized wannier functions for composite bands. the basic principles of this approach are reviewed here, along with different applications to lattice potentials with two minima per unit cell, in one... | arxiv:1512.05995 |
for every group $ g $, we introduce the set of hyperbolic structures on $ g $, denoted $ \ mathcal { h } ( g ) $, which consists of equivalence classes of ( possibly infinite ) generating sets of $ g $ such that the corresponding cayley graph is hyperbolic ; two generating sets of $ g $ are equivalent if the correspond... | arxiv:1710.05197 |
terzan 5 is a stellar system in the galactic bulge commonly catalogued as a globular cluster. through dedicated nir photometry and spectroscopy we have discovered that it harbors two main stellar populations defining two distinct red clumps ( rcs ) in the colour - magnitude diagram, and displaying different iron conten... | arxiv:1311.4988 |
projected policy gradient ( ppg ) is a basic policy optimization method in reinforcement learning. given access to exact policy evaluations, previous studies have established the sublinear convergence of ppg for sufficiently small step sizes based on the smoothness and the gradient domination properties of the value fu... | arxiv:2311.01104 |
we consider a large - scale quadratic eigenvalue problem ( qep ), formulated using p1 finite elements on a fine scale reference mesh. this model describes damped vibrations in a structural mechanical system. in particular we focus on problems with rapid material data variation, e. g., composite materials. we construct ... | arxiv:1510.05792 |
, both political crises and external crises that can affect politics, is not limited to attempts to predict regime transitions or major changes in political institutions. political scientists also study how governments handle unexpected disasters, and how voters in democracies react to their governments ' preparations ... | https://en.wikipedia.org/wiki/Political_science |
we characterize the exact solutions to neural network descrambling - - a mathematical model for explaining the fully connected layers of trained neural networks ( nns ). by reformulating the problem to the minimization of the brockett function arising in graph matching and complexity theory we show that the principal c... | arxiv:2301.07820 |
the subordinate e - semigroups of a fixed e - semigroup are in one - to - one correspondence with local projection - valued cocycles of that semigroup. for the ccr flow we characterise these cocycles in terms of their stochastic generators, that is, in terms of the coefficient driving the quantum stochastic differentia... | arxiv:1008.0774 |
global issues of the poisson - lie t - duality are addressed. it is shown that oriented open strings propagating on a group manifold $ g $ are dual to $ d $ - brane - anti - $ d $ - brane pairs propagating on the dual group manifold $ \ ti g $. the $ d $ - branes coincide with the symplectic leaves of the standard pois... | arxiv:hep-th/9512124 |
we study $ d $ - dimensional elastic manifolds driven by ac - forces in a disordered environment using a perturbation expansion in the disorder strength and the mean - field approximation. we find, that for $ d \ le 4 $ perturbation theory produces non - regular terms that grow unboundedly in time. the origin of these ... | arxiv:0906.1917 |
bandit learning has been an increasingly popular design choice for recommender system. despite the strong interest in bandit learning from the community, there remains multiple bottlenecks that prevent many bandit learning approaches from productionalization. one major bottleneck is how to test the effectiveness of ban... | arxiv:2304.02572 |
short note by marcel brillouin on the representation of the mass point in general relativity. | arxiv:physics/0002009 |
we present an approach for penalized tensor decomposition ( ptd ) that estimates smoothly varying latent factors in multi - way data. this generalizes existing work on sparse tensor decomposition and penalized matrix decompositions, in a manner parallel to the generalized lasso for regression and smoothing problems. ou... | arxiv:1502.06930 |
we study time harmonic acoustic scattering on large deviation rough random scatterers. therein, the roughness of the scatterers is caused by a low sobolev regularity in the covariance function of their deformation field. the motivation for this study arises from physical phenomena where small - scale material defects c... | arxiv:2311.12565 |
we investigate energy efficiency ( ee ) optimization for single - cell massive multiple - input multiple - output ( mimo ) downlink transmission with only statistical channel state information ( csi ) available at the base station. we first show that beam domain transmission is favorable for energy efficiency in the ma... | arxiv:2002.04888 |
we present a kinematic study of the nuclear stellar disk in m31 at infrared wavelengths using high spatial resolution integral field spectroscopy. the spatial resolution achieved, fwhm = 0. " 12 ( 0. 45 pc at the distance of m31 ), has only previously been equaled in spectroscopic studies by space - based long - slit o... | arxiv:1710.01394 |
we investigate the consistency of the fundamental governing equations of motion in continuum mechanics. in the first step, we examine the governing equations for a system of particles, which can be considered as the discrete analog of the continuum. based on newton ' s third law of action and reaction, there are two ve... | arxiv:1810.04514 |
we consider a time - dependent bosonic string in graviton, dilaton and tachyon backgrounds, for which it was already shown that conformal invariance is respected to all orders in alpha ' and in any space - time dimension. assuming that the tachyon is off - shell, we show in this note that the specific time - homogeneit... | arxiv:0906.4990 |
we study the asymptotic properties of a class of estimators of the structural parameters in dynamic discrete choice games. we consider k - stage policy iteration ( pi ) estimators, where k denotes the number of policy iterations employed in the estimation. this class nests several estimators proposed in the literature ... | arxiv:1802.06665 |
trojan ( backdoor ) attack is a form of adversarial attack on deep neural networks where the attacker provides victims with a model trained / retrained on malicious data. the backdoor can be activated when a normal input is stamped with a certain pattern called trigger, causing misclassification. many existing trojan a... | arxiv:2012.11212 |
strong correlated manganites are still under intense research owing to their complex phase diagrams in terms of the sr - doping and their sensitivity to intrinsic and extrinsic structural deformations. here, we performed x - ray absorption spectroscopy measurements of manganites bilayers to explore the effects that a l... | arxiv:1908.01196 |
quantum repeaters are nodes in a quantum communication network that allow reliable transmission of entanglement over large distances. it was recently shown that highly entangled photons in so - called graph states can be used for all - photonic quantum repeaters, which require substantially fewer resources compared to ... | arxiv:1612.03869 |
we investigate the neutron scattering spectrum in iron pnictides based on the random - phase approximation in the five - orbital model with a realistic superconducting ( sc ) gap, delta = 5mev. in the normal state, the neutron spectrum is suppressed by large inelastic quasi - particle ( qp ) scattering rate gamma * ~ d... | arxiv:1105.6233 |
single crystals of ba _ { 1 - x } rb _ { x } fe _ 2as _ 2 with x = 0. 05 - 0. 1 have been grown from sn flux and are bulk superconductors with t _ c up to 23 k. the crystal structure was determined by x - ray diffraction analysis, and sn is found to be incorporated for 9 % ba, shifted by 1. 1 angstroem away from the ba... | arxiv:0903.0004 |
given $ n $ i. i. d. observations of a random vector $ ( x, z ) $, where $ x $ is a high - dimensional vector and $ z $ is a low - dimensional index variable, we study the problem of estimating the conditional inverse covariance matrix $ \ omega ( z ) = ( e [ ( x - e [ x \ mid z ] ) ( x - e [ x \ mid z ] ) ^ t \ mid z ... | arxiv:1412.7638 |
nonmonotonic reasoning is a pattern of reasoning that allows an agent to make and retract ( tentative ) conclusions from inconclusive evidence. this paper gives a possible - worlds interpretation of the nonmonotonic reasoning problem based on standard decision theory and the emerging probability logic. the system ' s c... | arxiv:1304.2361 |
in practice, developers search for related earlier bugs and their associated discussion threads when faced with a new bug to repair. typically, these discussion threads consist of comments and even bug - fixing comments intended to capture clues for facilitating the investigation and root cause of a new bug report. ove... | arxiv:2105.11525 |
a simple general theorem is used as a tool that generates nonlocal constants of motion for lagrangian systems. we review some cases where the constants that we find are useful in the study of the systems : the homogeneous potentials of degree ~ $ - 2 $, the mechanical systems with viscous fluid resistance and the conse... | arxiv:2006.14844 |
although numerous recent tracking approaches have made tremendous advances in the last decade, achieving high - performance visual tracking remains a challenge. in this paper, we propose an end - to - end network model to learn reinforced attentional representation for accurate target object discrimination and localiza... | arxiv:1908.10009 |
" garbage in garbage out " is a universally agreed quote by computer scientists from various domains, including artificial intelligence ( ai ). as data is the fuel for ai, models trained on low - quality, biased data are often ineffective. computer scientists who use ai invest a considerable amount of time and effort i... | arxiv:2406.19256 |
we propose a new task to benchmark scene understanding of embodied agents : situated question answering in 3d scenes ( sqa3d ). given a scene context ( e. g., 3d scan ), sqa3d requires the tested agent to first understand its situation ( position, orientation, etc. ) in the 3d scene as described by text, then reason ab... | arxiv:2210.07474 |
the magnetorotational instability ( mri ), also known as the balbus - - hawley instability, is thought to have an important role on the initiation of turbulence and angular momentum transport in accretion discs. in this work, we investigate the effect of the magnetic field gradient in the azimuthal direction on mri. we... | arxiv:1705.03473 |
we study numerically nonuniform quantum turbulence of coflow in a square channel by the vortex filament model. coflow means that superfluid velocity $ \ bm { v } _ s $ and normal fluid velocity $ \ bm { v } _ n $ flow in the same direction. quantum turbulence for thermal counterflow has been long studied theoretically ... | arxiv:1508.01611 |
we report on a study of sub - tev ( $ e _ \ gamma > 10 $ gev ) gamma - ray - induced muon secondaries in coincidence with batse gamma ray bursts ( grbs ). each tev gamma ray striking the atmosphere produces $ \ approx $ 0. 2 muons whose identity and angle can be measured by the project grand array. eight grb candidates... | arxiv:astro-ph/0004379 |
we report on the four - wave mixing of superluminal pulses, in which both the injected and generated pulses involved in the process propagate with negative group velocities. generated pulses with negative group velocities of up to $ v _ { g } = - 1 / 880c $ are demonstrated, corresponding to the generated pulse ' s pea... | arxiv:1204.0810 |
andreev reflection spectroscopy of ferromagnet / superconductor ( fs ) junctions is an important probe of spin polarization. we theoretically investigate spin - polarized transport in fs junctions in the presence of rashba and dresselhaus interfacial spin - orbit fields and show that andreev reflection can be controlle... | arxiv:1502.08022 |
we consider a free boundary problem on three - dimensional cones depending on a parameter c and study when the free boundary is allowed to pass through the vertex of the cone. combining analysis and computer - assisted proof, we show that when c is less than 0. 43, the free boundary may pass through the vertex of the c... | arxiv:2101.02262 |
tensor pca is a stylized statistical inference problem introduced by montanari and richard to study the computational difficulty of estimating an unknown parameter from higher - order moment tensors. unlike its matrix counterpart, tensor pca exhibits a statistical - computational gap, i. e., a sample size regime where ... | arxiv:2204.07526 |
elastic scattering of antiprotons off $ ^ 4 $ he, $ ^ { 12 } $ c, and $ ^ { 16, 18 } $ o is described for the first time with a totally microscopic approach based on the calculation of an optical potential ( op ) describing the antiproton - target interaction. the op is derived using the recent antiproton - nucleon ( $... | arxiv:1906.11984 |
we use the octahedron recurrence, which generalizes the quadratic recurrence found by kuo for standard aztec diamonds, in order to compute boundary one - refined and two - refined partition functions for two - periodic aztec diamonds. in a first approach, the geometric tangent method allows to derive the parametric for... | arxiv:2205.12831 |
nonanalyticities of thermodynamic functions are studied by adopting an approach based on stationary points of the potential energy. for finite systems, each stationary point is found to cause a nonanalyticity in the microcanonical entropy, and the functional form of this nonanalytic term is derived explicitly. with inc... | arxiv:1010.4437 |
let $ x $ be a noncomplete metric space satisfying the usual ( local ) assumptions of a doubling property and a poincar \ ' e inequality. we study extensions of newtonian sobolev functions to the completion $ \ widehat { x } $ of $ x $ and use them to obtain several results on $ x $ itself, in particular concerning min... | arxiv:1705.02253 |
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