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dynamical properties of 2d antiferromagnets with hole doping are investigated to see the effects of short range local magnetic order on the temperature dependence of the dynamical magnetic susceptibility. we show the pseudo - gap like behavior of the temperature dependence of the nmr relaxation rate. we also discuss im... | arxiv:cond-mat/9712104 |
we investigate one - dimensional driven diffusive systems where particles may also be created and annihilated in the bulk with sufficiently small rate. in an open geometry, i. e., coupled to particle reservoirs at the two ends, these systems can exhibit ergodicity breaking in the thermodynamic limit. the triggering mec... | arxiv:cond-mat/0511089 |
multimodal large language models ( mllms ) have demonstrated notable capabilities in general visual understanding and reasoning tasks. however, their deployment is hindered by substantial computational costs in both training and inference, limiting accessibility to the broader research and user communities. a straightf... | arxiv:2402.11530 |
the origin of the variability in accretion disks of active galactic nuclei ( agn ) is still unknown, but its behavior can be characterized by modeling the time series of optical wavelength fluxes coming from the accretion disks with damped random walk ( drw ) being the most popular model for this purpose. the drw is mo... | arxiv:2501.15586 |
nanson ' s and baldwin ' s voting rules select a winner by successively eliminating candidates with low borda scores. we show that these rules have a number of desirable computational properties. in particular, with unweighted votes, it is np - hard to manipulate either rule with one manipulator, whilst with weighted v... | arxiv:1106.5312 |
spatio - temporal preferences and encounter statistics provide realistic measures to understand mobile user ' s behavioral preferences and transfer opportunities in delay tolerant networks ( dtns ). the time dependent behavior and periodic reappearances at specific locations can approximate future online presence while... | arxiv:1007.0960 |
strategically combining four structured domains creates the first ever three - way topological energy - splitter ; remarkably, this is only possible using a square, or rectangular, lattice, and not the graphene - like structures more commonly used in valleytronics. to achieve this effect, the two mirror symmetries, pre... | arxiv:1901.01937 |
the aim of the project is to improve our knowledge on the multiplicity of planet - host stars at wide physical separations. we cross - matched approximately 6200 square degree area of the southern sky imaged by the visible infrared survey telescope for astronomy ( vista ) hemisphere survey ( vhs ) with the two micron a... | arxiv:1408.1208 |
in this paper, how to successfully and efficiently condition a target population of agents towards consensus is discussed. to overcome the curse of dimensionality, the mean field formulation of the consensus control problem is considered. although such formulation is designed to be independent of the number of agents, ... | arxiv:2207.09171 |
the occurrence of chaos for test particles moving around a slowly rotating black hole with a dipolar halo is studied using poincar \ ' e sections. we find a novel effect, particles with angular momentum opposite to the black hole rotation have larger chaotic regions in phase space than particles initially moving in the... | arxiv:gr-qc/9712008 |
we show that holography poses non - trivial restrictions on various couplings of an interacting field. for a vector boson in the ads reissner - nordstrom background, the dual boundary theory is pathological unless its electromagnetic and gravitational multipole moments are constrained. among others, a generic dipole mo... | arxiv:1212.6265 |
$ | \ mathbb p | $. | arxiv:1912.03327 |
the spin seebeck effect ( sse ) refers to the generation of a spin current as a result of a temperature gradient in a magnetic material, which can be detected electrically via the inverse spin hall effect in a metallic contact. since the discovery of sse in 2008, intensive studies on sse have been conducted to elucidat... | arxiv:2205.10509 |
each investigation consists of several major problems that the teacher and students explore in class. applications / connections / extensions problem sets are included for each investigation to help students practice, apply, connect, and extend essential understandings. while engaged in collaborative problem - solving ... | https://en.wikipedia.org/wiki/Connected_Mathematics |
the bethe - salpeter equation is used to comprehensively study mesons with j = 0, 1 and equal - mass constituents for quark masses from the chiral limit to the b - quark mass. the survey contains masses of the ground states in all corresponding j ^ { pc } channels including those with " exotic " quantum numbers. the em... | arxiv:0909.4016 |
the infeasible parts of the objective space in difficult many - objective optimization problems cause trouble for evolutionary algorithms. this paper proposes a reference vector based algorithm which uses two interacting engines to adapt the reference vectors and to evolve the population towards the true pareto front (... | arxiv:1904.06302 |
we present here a detailed analysis on the effects of charge on the anisotropic strange star candidates by considering a spherically symmetric interior spacetime metric. to obtain exact solution of the einstein - maxwell field equations we have considered the anisotropic strange quark matter ( sqm ) distribution govern... | arxiv:1802.01332 |
a modelling language is described which is suitable for the correlation of information when the underlying functional model of the system is incomplete or uncertain and the temporal dependencies are imprecise. an efficient and incremental implementation is outlined which depends on cost functions satisfying certain cri... | arxiv:1302.1521 |
from the present limits on the masses and mixings of fourth family quarks, they are expected to have mass larger than the top quark and allow a large range of mixing of the third family. they could also have different dynamics than the quarks of three families of the standard model. the single production of the fourth ... | arxiv:1106.6059 |
the role of lattice distortion in the charge, orbital and spin ordering in half doped manganites has been investigated. for fixed magnetic ordering, we show that the cooperative lattice distortion stabilize the experimentally observed ordering even when the strong on - site electronic correlation is taken into account.... | arxiv:cond-mat/0204095 |
the proton is formulated as a relativistic system of three constituent quarks interacting via a zero - range two - body force in the null - plane. the covariance of the null - plane faddeev - like equation under kinematical front - form boosts is discussed. a simplified three - boson model of the nucleon wave - functio... | arxiv:hep-ph/9806507 |
dialogue systems for hotel and tourist information have typically simplified the richness of the domain, focusing system utterances on only a few selected attributes such as price, location and type of rooms. however, much more content is typically available for hotels, often as many as 50 distinct instantiated attribu... | arxiv:1805.00551 |
we study a charged taub - nut spacetime solution in the dgp brane. we show that the reissner - nordstrom - taub - nut - de sitter solution of einstein - maxwell gravity solves the corresponding equations of motion, where the cosmological constant is related to the cross - over scale in the dgp model. following the appr... | arxiv:2212.03051 |
we present a high - performance n - body code for self - gravitating collisional systems accelerated with the aid of a new simd instruction set extension of the x86 architecture : advanced vector extensions ( avx ), an enhanced version of the streaming simd extensions ( sse ). with one processor core of intel core i7 -... | arxiv:1104.2700 |
after having investigated the geodesic triangles and their angle sums in nil and $ sl \ times \ mathbb { r } $ geometries we consider the analogous problem in sol space that is one of the eight 3 - dimensional thurston geometries. we analyse the interior angle sums of geodesic triangles and we prove that it can be larg... | arxiv:2405.05266 |
the rapid progress in 3d scene understanding has come with growing demand for data ; however, collecting and annotating 3d scenes ( e. g. point clouds ) are notoriously hard. for example, the number of scenes ( e. g. indoor rooms ) that can be accessed and scanned might be limited ; even given sufficient data, acquirin... | arxiv:2012.09165 |
in [ lu6 ] lusztig defined a certain algebra $ h, $ which is a direct sum of various algebras $ h _ { \ mathfrak { o } }. $ we establish an explicit algebra isomorphism between each algebra $ h _ { \ mathfrak { o } } $ and some matrix algebra with coefficients in the tensor product of an ( affine or finite ) hecke alge... | arxiv:1708.01835 |
we extend some classical results - such as quillen ' s theorem a, the grothendieck construction, thomason ' s theorem and the characterisation of homotopically cofinal functors - from the homotopy theory of small categories to polynomial monads and their algebras. as an application we give a categorical proof of the dw... | arxiv:1712.00904 |
this paper presents a novel hybrid control protocol for de - conflicting multiple vehicles with constraints on control inputs. we consider turning rate and linear speed constraints to represent fixed - wing or car - like vehicles. a set of state - feedback controllers along with a state - dependent switching logic are ... | arxiv:1806.07328 |
let s be a finitely generated standard multi - graded algebra over a noetherian local ring a. this paper first expresses mixed multiplicities of s in term of hilbert - samuel multiplicity that explained the mixed multiplicities s as the hilbert - samuel multiplicities for quotient modules of s. as an application, we ge... | arxiv:0902.1240 |
we consider a gaussian two - hop network where the source and the destination can communicate only via a relay node who is both an eavesdropper and a byzantine adversary. both the source and the destination nodes are allowed to transmit, and the relay receives a superposition of their transmitted signals. we propose a ... | arxiv:1004.1423 |
magnetically - doped graphene systems are potential candidates for application in future spintronic devices. a key step is to understand the pairwise interactions between magnetic impurities embedded in graphene that are mediated by the graphene conduction electrons. a large number of studies have been undertaken to in... | arxiv:1301.1779 |
dusty plasma crystals have traditionally been observed and studied in radio frequency ( rf ) discharge plasmas and their formation in a dc glow discharge plasma remains experimentally challenging. we report the first ever observation of a stable dusty plasma coulomb crystal in the cathode sheath region of a dc glow dis... | arxiv:1811.05114 |
in this paper we provide some simple characterizations for the spherical harmonics coefficients of an isotropic random field on the sphere. the main result is a characterization of isotropic gaussian fields through independence of the coefficients of their development in spherical harmonics. | arxiv:math/0606709 |
we study how different frame annotations complement one another when learning continuous lexical semantics. we learn the representations from a tensorized skip - gram model that consistently encodes syntactic - semantic content better, with multiple 10 % gains over baselines. | arxiv:1706.09562 |
this comprehensive review examines electrical and seismic refraction methods, emphasizing their advanced applications in electrical resistivity tomography ( ert ) and seismic refraction tomography ( srt ). these techniques are crucial for understanding surface - subsurface crustal dynamics, offering critical insights i... | arxiv:2404.00813 |
modern processors such as armv8 and risc - v allow executions in which independent instructions within a process may be reordered. to cope with such phenomena, so called promising semantics have been developed, which permit threads to read values that have not yet been written. each promise is a speculative update that... | arxiv:2211.16330 |
using the most recent measurements of the ultraviolet ( uv ) luminosity functions ( lfs ) and dust estimates of early galaxies, we derive updated dust - corrected star - formation rate functions ( sfrfs ) at z ~ 4 - 8, which we model to predict the evolution to higher redshifts, z > 8. we employ abundance matching tech... | arxiv:1507.00999 |
this paper is related to nonzero - sum stochastic differential games in the markovian framework. we show existence of a nash equilibrium point for the game when the drift is no longer bounded and only satisfies a linear growth condition. the main tool is the notion of backward stochastic differential equations which, i... | arxiv:1308.5882 |
human body communication ( hbc ) provides a low power communication medium for energy constrained wearable / implantable devices in and around the human body. this paper presents a broadband hbc transceiver implemented in 65nm cmos that achieves 6. 3pj / b energy efficiency at 30mbps with - 30db interference - toleranc... | arxiv:1804.06743 |
we report on a dedicated effort to identify and study metal - poor stars strongly enhanced in r - process elements ( [ r / fe ] > 1 dex ; hereafter r - ii stars ), the hamburg / eso r - process enhanced star survey ( heres ). moderate - resolution ( ~ 2a ) follow - up spectroscopy has been obtained for metal - poor gia... | arxiv:astro-ph/0408389 |
we have grown a single crystal of la _ 2 - x _ sr _ x _ cuo _ 4 _ in which the sr concentration, x, continuously changes from 0. 24 to 0. 29 in the overdoped regime and obtained many pieces of single crystals with different x values by slicing the single crystal. from detailed measurements of the magnetic susceptibilit... | arxiv:cond-mat/0508084 |
recently, diluted magnetic semiconductors ( dms ) doped with a small concentration of magnetic impurities, especially dms doped with transition metal, inducing ferromagnetic dmss have attracted a great interest. using the monte carlo method within the ising model, we study the magnetic properties of doped mn ions in se... | arxiv:1106.0500 |
we present coordinated coronal observations of the august 21, 2017 total solar eclipse with the airborne infrared spectrometer ( air - spec ) and the extreme - ultraviolet imaging spectrometer ( eis ). these instruments provide an unprecedented view of the solar corona in two disparate wavelength regimes, the near to m... | arxiv:1901.10425 |
large language models ( llms ) excellently generate human - like text, but also raise concerns about misuse in fake news and academic dishonesty. decoding - based watermark, particularly the gumbelmax - trick - based watermark ( gm watermark ), is a standout solution for safeguarding machine - generated texts due to it... | arxiv:2402.12948 |
in order to prevent detection and evade signature - based scanning methods, which are normally exploited by antivirus software, metamorphic viruses use several various obfuscation approaches. they transform their code in new instances as look entirely or partly different and contain dissimilar sequences of string, but ... | arxiv:1104.3228 |
amorphous organic semiconductors based on small molecules and polymers are used in many applications, most prominently organic light emitting diodes ( oleds ) and organic solar cells. impurities and charge traps are omnipresent in most currently available organic semiconductors and limit charge transport and thus devic... | arxiv:1908.11854 |
we report on direct experimental certification of the quantum non - gaussian character of a photon - number resolving detector. the certification protocol is based on an adaptation of the existing quantum non - gaussianity criteria for quantum states to quantum measurements. in our approach, it suffices to probe the de... | arxiv:2208.12521 |
recently, a significant carbon - 14 enhancement in the year 994 in tree rings has been found, suggesting an extremely large cosmic ray flux event during a short period. the origin of this particular cosmic ray event has not been confirmed, but one possibility is that it is of solar origin. contemporary historical recor... | arxiv:1612.01106 |
cloud computing enables clients with limited computational power to economically outsource their large scale computations to a public cloud with huge computational power. cloud has the massive storage, computational power and software which can be used by clients for reducing their computational overhead and storage li... | arxiv:1609.01410 |
we present a scheme for a universal device which can be programmed by quantum states to approximate a chosen projective measurement to a given precision. our scheme can be viewed as an extension of the swap test to the instance where one state is supplied many times. as such, it has many potential applications given th... | arxiv:1805.02546 |
in this work, we present some recommendations on the evaluation of state - of - the - art generative models for constrained generation tasks. the progress on generative models has been rapid in recent years. these large - scale models have had three impacts : firstly, the fluency of generation in both language and visi... | arxiv:2212.00006 |
this is a collection of three written discussions of the paper " sequential quasi - monte carlo sampling " by m. gerber and n. chopin, following the presentation given before the royal statistical society in london on december 10th, 2014. | arxiv:1505.06473 |
recent developments in synthetic and supramolecular chemistry have created opportunities to design organic systems with tailored nanoscale structure for various technological applications. a key application area is the capture of light energy and its conversion into electrochemical or chemical forms for photovoltaic or... | arxiv:1210.2111 |
thermus is a package of c + + classes and functions allowing statistical - thermal model analyses of particle production in relativistic heavy - ion collisions to be performed within the root framework of analysis. calculations are possible within three statistical ensembles ; a grand - canonical treatment of the conse... | arxiv:hep-ph/0407174 |
in a recently proposed model of ` ` ghost condensation ' ', spatially homogeneous states may mix, via tunneling, with inhomogeneous states which are somewhat similar to bubbles in the theory of false vacuum decay, the corresponding bubble nucleation rate being exponentially sensitive to the ultraviolet completion of th... | arxiv:hep-ph/0407081 |
logging is a development practice that plays an important role in the operations and monitoring of complex systems. developers place log statements in the source code and use log data to understand how the system behaves in production. unfortunately, anticipating where to log during development is challenging. previous... | arxiv:2103.01755 |
we prove that the solutions of the cohomological equation for roth type interval exchange maps are h \ " older continuous provided that the datum is of class $ c ^ r $ with $ r > 1 $ and belongs to a finite - codimension linear subspace. | arxiv:1407.1776 |
contrary to the general consensus in the literature that friedmann - - lema \ ^ { i } tre - - robertson - - walker ( flrw ) geometries are of embedding class one ( i. e., \ embeddable in one higher dimensional pseudo - euclidean spaces ), we show that the most general $ k = 0 $ and $ k = - 1 $ flrw geometries are of em... | arxiv:1702.00987 |
an investigation of the structural, magnetic, thermodynamic, and charge transport properties of non - centrosymmetric hexagonal scfege reveals it to be an anisotropic metal with a transition to a weak itinerant incommensurate helimagnetic state below $ t _ n = 36 $ k. neutron diffraction measurements discovered a tempe... | arxiv:2009.14387 |
also bring to attention the opportunity cost of utilizing other forms of electricity. for example, the environmental protection agency estimates that coal kills 30, 000 people a year, as a result of its environmental impact, while 60 people died in the chernobyl disaster. a real world example of impact provided by prop... | https://en.wikipedia.org/wiki/Nuclear_technology |
we present a combined experimental and theoretical study of the drag force acting on a high porosity aerogel immersed in liquid $ { } ^ 3 $ he and its effect on sound propagation. the drag force is characterized by the knudsen number, which is defined as the ratio of the quasiparticle mean free path to the radius of an... | arxiv:1201.5259 |
we construct type i string models with supersymmetry broken by compactification that are non - tachyonic and have exponentially small effective potential at one - loop. all open string moduli can be stabilized, while the closed string moduli remain massless at one - loop. the backgrounds of interest have rigid wilson l... | arxiv:1812.09714 |
we consider the problem of minimizing queue - length costs in a system with heterogenous parallel servers, operating in a many - server heavy - traffic regime with nondegenerate slowdown. this regime is distinct from the well - studied heavy traffic diffusion regimes, namely the ( single server ) conventional regime an... | arxiv:1403.5399 |
we calculate the pyrocoefficient, static dielectric susceptibility profiles and its thickness dependence of ferroelectric thin films. also, the temperature dependences of above quantities have been calculated. for the calculations we use landau phenomenological theory, leading to lame equations. these equations subject... | arxiv:cond-mat/0103083 |
we study the asymptotic behavior of the max $ \ kappa $ - cut on a family of sparse, inhomogeneous random graphs. in the large degree limit, the leading term is a variational problem, involving the ground state of a constrained inhomogeneous potts spin glass. we derive a parisi type formula for the free energy of this ... | arxiv:1703.03455 |
we consider the unitary time evolution of continuous quantum mechanical systems confined to a cavity in contact with a finite bath of variable size. measures for markovianity for such finite system - bath configurations are developed in terms of hilbert - schmidt distances of time evolving wave packets. the relevant ti... | arxiv:1312.0396 |
maximal $ ( k + 1 ) $ - crossing - free graphs on a planar point set in convex position, that is, $ k $ - triangulations, have received attention in recent literature, with motivation coming from several interpretations of them. we introduce a new way of looking at $ k $ - triangulations, namely as complexes of star po... | arxiv:0706.3121 |
a chief technology officer ( cto ) ( also known as a chief technical officer or chief technologist ) is an officer tasked with managing technical operations of an organization. they oversee and supervise research and development and serve as a technical advisor to a higher executive such as a chief executive officer. a... | https://en.wikipedia.org/wiki/Chief_technology_officer |
we compute the one - loop quark - photon vertex and the quark magnetic moment in three different models with an infrared - modified gluon propagator, namely : the massive ( curci - ferrari - like ) model, the gribov - zwanziger model, and the refined gribov - zwanziger model. we show results for the $ f _ 2 $ form fact... | arxiv:2311.14178 |
we develop a compact perturbative series for accoustic wave propagation in a medium with a non gaussian stochastic speed of sound. we use martin - siggia and rose auxiliary field techniques to render the classical wave propagation problem into a " quantum " field theory one, and then frame this problem within so - call... | arxiv:1406.2647 |
banach ' s fixed point theorem for contraction maps has been widely used to analyze the convergence of iterative methods in non - convex problems. it is a common experience, however, that iterative maps fail to be globally contracting under the natural metric in their domain, making the applicability of banach ' s theo... | arxiv:1702.07339 |
arabian sea mid - tropospheric cyclones ( mtcs ), which are responsible for extreme rainfall events in western india, often coincide with monsoon low - pressure systems ( lps ) over the bay of bengal. however, the role of bay of bengal lpss in the formation of arabian sea mtcs remains unclear. this study utilizes the w... | arxiv:2307.02607 |
to a complex projective structure $ \ sigma $ on a surface, thurston associates a locally convex pleated surface. we derive bounds on the geometry of both in terms of the norms $ \ | \ phi _ \ sigma \ | _ \ infty $ and $ \ | \ phi _ \ sigma \ | _ 2 $ of the quadratic differential $ \ phi _ \ sigma $ of $ \ sigma $ give... | arxiv:1704.06021 |
dissipation is mostly achieved by passive conduction / convection. means to achieve greater dissipation include heat sinks and fans for air cooling, and other forms of computer cooling such as water cooling. these techniques use convection, conduction, and radiation of heat energy. = = = noise = = = electronic noise is... | https://en.wikipedia.org/wiki/Electronics |
in studies ranging from clinical medicine to policy research, complete data are usually available from a population $ \ mathscr { p } $, but the quantity of interest is often sought for a related but different population $ \ mathscr { q } $ which only has partial data. in this paper, we consider the setting that both o... | arxiv:2307.04250 |
the nature of the dark matter of the universe is yet unknown and most likely is connected with new physics. the search for its composition is under way through direct and indirect detection. fundamental physical aspects such as energy threshold, geometry and location are taken into account to investigate proposed neutr... | arxiv:hep-ph/0204301 |
the representation of numbers by tensor product states of composite quantum systems is examined. consideration is limited to k - ary representations of length l and arithmetic modulo k ^ { l }. an abstract representation on an l fold tensor product hilbert space h ^ { arith } of number states and operators for the basi... | arxiv:quant-ph/0009124 |
a graph class $ \ mathcal { g } $ admits product structure if there exists a constant $ k $ such that every $ g \ in \ mathcal { g } $ is a subgraph of $ h \ boxtimes p $ for a path $ p $ and some graph $ h $ of treewidth $ k $. famously, the class of planar graphs, as well as many beyond - planar graph classes are kno... | arxiv:2409.01732 |
wireless backhaul allows densification of mobile networks without incurring additional fiber deployment cost. this, in turn, leads to high spatial reuse, which is a significant tool to meet increasing wireless demand in 5g networks. integrated access and backhaul ( iab ), where access and backhaul network share the sam... | arxiv:1804.00312 |
we consider the multi - broadcast problem in arbitrary connected radio networks consisting of $ n $ nodes. there are $ k $ designated source nodes for some fixed $ k \ in \ { 1, \ ldots, n \ } $, and each source node has a distinct piece of information that it wants to share with all nodes in the network. we set out to... | arxiv:2104.08644 |
consider a linear autonomous hamiltonian system with a time periodic bound state solution. in this paper we study the structural instability of this bound state ^ m relative to time almost periodic perturbations which are small, localized and hamiltonian. this class of perturbations includes those whose time dependence... | arxiv:nlin/0012021 |
two recent landmark experiments have performed gaussian boson sampling ( gbs ) with a non - programmable linear interferometer and threshold detectors on up to 144 output modes ( see refs. ~ \ onlinecite { zhong _ quantum _ 2020, zhong2021phase } ). here we give classical sampling algorithms with better total variation... | arxiv:2109.11525 |
we establish an exact formula for the length of the shortest permutation containing all layered permutations of length $ n $, proving a conjecture of gray. | arxiv:1710.04240 |
we examine the effects of gas expulsion on initially sub - structured and out - of - equilibrium star clusters. we perform $ n $ - body simulations of the evolution of star clusters in a static background potential before removing that potential to model gas expulsion. we find that the initial star formation efficiency... | arxiv:1102.5360 |
incomplete utterance rewriting ( iur ) has recently become an essential task in nlp, aiming to complement the incomplete utterance with sufficient context information for comprehension. in this paper, we propose a novel method by directly extracting the coreference and omission relationship from the self - attention we... | arxiv:2202.12160 |
the proposed field - of - view of the kepler mission is at an ecliptic latitude of ~ 55 degrees, where the surface density of scattered kuiper belt objects ( kbos ) is a few percent that in the ecliptic plane. the rate of occultations of kepler target stars by scattered kbos with radii r > 10km is ~ 10 ^ - 6 to 10 ^ - ... | arxiv:astro-ph/0404057 |
effective methodologies for evaluating recommender systems are critical, so that such systems can be compared in a sound manner. a commonly overlooked aspect of recommender system evaluation is the selection of the data splitting strategy. in this paper, we both show that there is no standard splitting strategy and tha... | arxiv:2007.13237 |
dna language models, such as grover, dnabert2 and the nucleotide transformer, operate on dna sequences that inherently contain sequencing errors, mutations, and laboratory - induced noise, which may significantly impact model performance. despite the importance of this issue, the robustness of dna language models remai... | arxiv:2409.19788 |
dexterous multi - fingered hands can provide robots with the ability to flexibly perform a wide range of manipulation skills. however, many of the more complex behaviors are also notoriously difficult to control : performing in - hand object manipulation, executing finger gaits to move objects, and exhibiting precise f... | arxiv:1909.11652 |
the suitability of a transportable 3he - spin filter as temporary broadband polarizer for a time - of - flight neutron reflectometer is demonstrated. a simple two - wavelength method for characterisation of a 3he - spin filter is proposed, which can be applied even if the absolute transmittance of the 3he - spin filter... | arxiv:1604.00816 |
group field theory has shown to be a promising framework to derive cosmological predictions from full quantum gravity. in this brief note, we revisit the background dynamics when interaction terms are taken into account and conclude that, although the bounce is clearly robust, providing a geometrical explanation for in... | arxiv:2305.05438 |
dynamical systems can be modelled by partial differential equations and numerical computations are used everywhere in science and engineering. in this work, we investigate the performance of recurrent and convolutional deep neural network architectures to predict the surface waves. the system is governed by the saint -... | arxiv:2002.08981 |
surprising enhancement of the magnetic moments recently observed in dilute co - mn alloy clusters is explained using ab initio electronic structure calculations. the calculated magnetic moments generally agree with the reported experimental data. an equation for calculating the magnetic moments of the co - mn alloy clu... | arxiv:0908.2358 |
the speed of convergence of the expectation maximization ( em ) algorithm for gaussian mixture model fitting is known to be dependent on the amount of overlap among the mixture components. in this paper, we study the impact of mixing coefficients on the convergence of em. we show that when the mixture components exhibi... | arxiv:1206.6427 |
recent years have witnessed the improving performance of chinese named entity recognition ( ner ) from proposing new frameworks or incorporating word lexicons. however, the inner composition of entity mentions in character - level chinese ner has been rarely studied. actually, most mentions of regular types have strong... | arxiv:2204.05544 |
we show that type - ii weyl point formation in mnbi2 - xsbxte4 is more likely than in mnbi2te4 when x reaches 0. 5, as the alloy case does not suffer from the same degree of lattice parameter sensitivity as in mnbi2te4. to further substantiate the stability of type - ii weyl points in mnbi2 - xsbxte4, we demonstrate th... | arxiv:2103.12730 |
using resonantly excited photoluminescence along with photoluminescence excitation spectroscopies, we study the carrier excitation processes in cdte / znte and cdse / znse self - assembled quantum dots. photoluminescence excitation spectra of single cdte quantum dots reflect two major mechanisms for carrier excitation ... | arxiv:cond-mat/0309410 |
in a previous paper, based on the black hole perturbation approach, we formulated a new analytical method for regularizing the self - force acting on a particle of small mass $ \ mu $ orbiting a schwarzschild black hole of mass $ m $, where $ \ mu \ ll m $. in our method, we divide the self - force into the $ \ tilde s... | arxiv:gr-qc/0410115 |
a fully relativistic analysis of gravitational lensing in teves is presented. by estimating the lensing masses for a set of six lenses from the castles database, and then comparing them to the stellar mass, the deficit between the two is obtained and analysed. considering a parametrised range for the teves function $ m... | arxiv:0901.3932 |
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