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generalized parton distributions of the pion are evaluated in chiral quark models with the help of double distributions. as a result the polynomiality conditions are automatically satisfied. in addition, positivity constraints, proper normalization and support, sum rules, and soft pion theorems are fulfilled. we obtain... | arxiv:0804.0718 |
we study the effect of communication delays on distributed consensus algorithms. two ways to model delays on a network are presented. the first model assumes that each link delivers messages with a fixed ( constant ) amount of delay, and the second model is more realistic, allowing for i. i. d. time - varying bounded d... | arxiv:1207.5839 |
we derive simple - to - evaluate, closed - form solutions to the inhomogeneous helmholtz equation, $ \ delta u + k ^ 2 u = \ chi _ { b _ { x _ 0, r } } $, the schr \ " odinger equation, $ i \ hbar \ partial _ t u + \ frac { \ hbar ^ 2 } { 2m } \ delta u = 0 $ with initial data $ { u ( x, 0 ) = \ chi _ { b _ { x _ 0, r ... | arxiv:2108.08108 |
in the present work, we study the dynamics of a magnetic nanoparticle coupled through the magnetoelectric coupling to the ferroelectric crystal. the model of our interest is nonlinear, and we explore the problem under different limits of weak and strong linearity. by applying two electric fields with different frequenc... | arxiv:2306.13110 |
\ chi _ r - \ chi _ l + \ pi $. in such a case, the current - phase relation is similar to that in a s / $ f _ l $ - f - $ f _ r $ / s junction. | arxiv:2210.12718 |
we examine the neutralino dark matter phenomenology in supersymmetric scenarios with nonuniversal higgs masses at the gauge coupling unification scale that can acommodate a light higgs boson, where the correct relic density is obtained mostly through the annihilation into a pseudoscalar a. our analysis shows that most ... | arxiv:1107.0792 |
the magellanic stream ( ms ) has long been known to contain multiple h i strands and corresponding stellar populations are beginning to be discovered. combining a sample of 17 stars from the h3 ( " hectochelle in the halo at high resolution " ) survey with 891 stars drawn from the gaia dr3 catalog, we trace stars along... | arxiv:2411.15044 |
the nature of mashhoon ' s spin - rotation coupling is the interaction between a particle spin ( gravitomagnetic moment ) and a gravitomagnetic field. here we will consider the coupling of graviton spin to the weak gravitomagnetic fields by analyzing the lagrangian density of weak gravitational field, and hence study t... | arxiv:gr-qc/0408005 |
we consider the set w of double zeros in ( 0, 1 ) for power series with coefficients in { - 1, 0, 1 }. we prove that w is disconnected, and estimate the minimum of w with high accuracy. we also show that [ 2 ^ ( - 1 / 2 ) - e, 1 ) is contained in w for some small, but explicit e > 0 ( this was only known for e = 0 ). t... | arxiv:math/0504545 |
the redshifted 21 cm line of neutral hydrogen is a promising probe of the epoch of reionization ( eor ). however, its detection requires a thorough understanding and control of the systematic errors. we study two systematic biases observed in the lofar eor residual data after calibration and subtraction of bright discr... | arxiv:1605.07619 |
we give the first examples of smooth projective varieties $ x $ over a finite field $ \ mathbb { f } $ admitting a non - algebraic torsion $ \ ell $ - adic cohomology class of degree $ 4 $ which vanishes over $ \ overline { \ mathbb { f } } $. we use them to show that two versions of the integral tate conjecture over $... | arxiv:2206.12732 |
samarium doped bifeo3 compounds having nano - size crystallites were prepared by the ethylene glycol assisted sol - gel synthesis method. x - ray diffraction and sem measurements as well as raman spectroscopy and ftir experiments were used to clarify the evolution of the crystal structure on microscopic and local scale... | arxiv:2010.15439 |
a morse 2 - function is a generic smooth map from a smooth manifold to a surface. in the absence of definite folds ( in which case we say that the morse 2 - function is indefinite ), these are natural generalizations of broken ( lefschetz ) fibrations. we prove existence and uniqueness results for indefinite morse 2 - ... | arxiv:1102.0750 |
despite the extreme simplicity in their definition, spin glasses disclose a wide variety of non - trivial behaviors that are not yet fully understood. in this thesis we try to shed light on some of them, focusing on one hand on the search of phase transitions under perturbations of the hamiltonian, and on the other han... | arxiv:1602.08239 |
a quantum spin liquid ( qsl ) is an exotic state of matter in which electrons ' spins are quantum entangled over long distances, but do not show symmetry - breaking magnetic order in the zero - temperature limit. the observation of qsl states is a central aim of experimental physics, because they host collective excita... | arxiv:1607.03231 |
universal fault - tolerant quantum computers, which promise to revolutionize computing, are currently limited by excessive noise in their constituent superconducting qubits. determining the dominant sources of this excess noise will lead to a clearer understanding of how to mitigate it in future superconducting systems... | arxiv:2204.01919 |
modern signal processing ( sp ) methods rely very heavily on probability and statistics to solve challenging sp problems. sp methods are now expected to deal with ever more complex models, requiring ever more sophisticated computational inference techniques. this has driven the development of statistical sp methods bas... | arxiv:1505.00273 |
for a subshift over a finite alphabet, a measure of the complexity of the system is obtained by counting the number of nonempty cylinder sets of length $ n $. when this complexity grows exponentially, the automorphism group has been shown to be large for various classes of subshifts. in contrast, we show that subquadra... | arxiv:1403.0238 |
we measure the excitation spectrum of a dipolar chromium bose einstein condensate with raman - bragg spectroscopy. the energy spectrum depends on the orientation of the dipoles with respect to the excitation momentum, demonstrating an anisotropy which originates from the dipole - dipole interactions between the atoms. ... | arxiv:1205.6305 |
the main contribution of this paper is an invariant extended kalman filter ( ekf ) for visual inertial navigation systems ( vins ). it is demonstrated that the conventional ekf based vins is not invariant under the stochastic unobservable transformation, associated with translations and a rotation about the gravitation... | arxiv:1702.07920 |
in this paper, the notion of local algebraic fundamental groups of normal complex analytic singularities are generalized to certain profinite groups called $ d $ - local algebraic fundamental groups which turns out to be useful even for the study of usual local algebraic fundamental groups and the lefshetz type theorem... | arxiv:1502.05766 |
we present new theorems characterizing robust lyapunov functions and infinite horizon value functions in optimal control as unique viscosity solutions of partial differential equations. we use these results to further extend zubov ' s method for representing domains of attraction in terms of partial differential equati... | arxiv:math/0311267 |
we show that systems driven by an external force and described by nose - hoover dynamics allow for a consistent nonequilibrium thermodynamics description when the thermostatted variable is initially assumed in a state of canonical equilibrium. by treating the " real " variables as the system and the thermostatted varia... | arxiv:1005.4631 |
many recent delineation techniques owe much of their increased effectiveness to path classification algorithms that make it possible to distinguish promising paths from others. the downside of this development is that they require annotated training data, which is tedious to produce. in this paper, we propose an active... | arxiv:1512.00747 |
recently, text - to - image generation has exhibited remarkable advancements, with the ability to produce visually impressive results. in contrast, text - to - 3d generation has not yet reached a comparable level of quality. existing methods primarily rely on text - guided score distillation sampling ( sds ), and they ... | arxiv:2308.09705 |
we study the propagation of singularities for semilinear schrodinger equations with quadratic hamiltonians, in particular for the semilinear harmonic oscillator. we show that the propagation still occurs along the flow the hamiltonian flow, but for sobolev regularities in a certain range and provided the notion of sobo... | arxiv:1407.8528 |
we have given a summary on our theoretical predictions of three kinds of topological semimetals ( tsms ), namely, dirac semimetal ( dsm ), weyl semimetal ( wsm ) and node - line semimetal ( nlsm ). tsms are new states of quantum matters, which are different with topological insulators. they are characterized by the top... | arxiv:1603.04744 |
the universality and scaling behaviour of hadronisation have been investigated in semi - inclusive neutral current deep inelastic ep scattering ; specifically the multiplicity and scaled momentum spectra of charged hadrons have been measured and analysed. the measurements are performed in the current region of the brei... | arxiv:0810.3514 |
hawking radiation is nowadays being understood as tunnelling through black hole horizons. here, the extension of the hamilton - jacobi approach to tunnelling for non - rotating and rotating black holes in different non - singular coordinate systems not only confirms this quantum emission from black holes but also revea... | arxiv:0704.1746 |
we present a measurement of the $ d ^ 0 $ - $ \ overline { d } ^ 0 $ mixing parameter $ y _ { cp } $ using a flavor - untagged sample of $ d ^ 0 \ to k _ s ^ 0k ^ + k ^ - $ decays. the measurement is based on a 673 fb $ ^ { - 1 } $ data sample recorded by the belle detector at the kekb asymmetric - energy $ e ^ + e ^ -... | arxiv:0808.0074 |
we consider a self - similar force - free wind flowing out of an infinitely thin disk located in the equatorial plane. on the disk plane, we assume that the magnetic stream function $ p $ scales as $ p \ propto r ^ \ nu $, where $ r $ is the cylindrical radius. we also assume that the azimuthal velocity in the disk is ... | arxiv:astro-ph/0610817 |
the deuteron form factors are calculated using two model wave functions obtained from the 2007 cst high precision fits to $ np $ scattering data. included in the calculation are a new class of isoscalar $ np $ interaction currents which are automatically generated by the nuclear force model used in these fits. if the n... | arxiv:1908.09421 |
this study presents a novel high - order numerical method designed for solving the two - dimensional time - fractional convection - diffusion ( tfcd ) equation. the caputo definition is employed to characterize the time - fractional derivative. a weak singularity at the initial time ( $ t = 0 $ ) is encountered in the ... | arxiv:2308.08971 |
autonomous driving is a complex and challenging task that aims at safe motion planning through scene understanding and reasoning. while vision - only autonomous driving methods have recently achieved notable performance, through enhanced scene understanding, several key issues, including lack of reasoning, low generali... | arxiv:2401.05577 |
wireless telephone speech is usually limited to the 300 - 3400 hz band, which reduces its quality. there is thus a growing demand for wideband speech systems that transmit from 50 hz to 8000 hz. this paper presents an algorithm to generate wideband speech from narrowband speech using as low as 500 bits / s of side info... | arxiv:1602.08215 |
in this paper, we derive closed - form expressions for significant statistical properties of the link signal - to - noise ratio ( snr ) and the separation distance in mobile ad hoc networks subject to ornstein - uhlenbeck ( ou ) mobility and rayleigh fading. in these systems, the snr is a critical parameter as it direc... | arxiv:1912.09776 |
a novel definition of holographic correlation functions on the celestial sphere of minkowski space was recently introduced in arxiv : 2301. 01810 as the extrapolation of bulk time - ordered correlation functions to the celestial sphere. in this work, focusing on theories of scalar fields in $ ( d + 2 ) $ - dimensional ... | arxiv:2502.03087 |
the quantisation of gauge theories usually procedes through the introduction of ghost fields and brst symmetry. in the case of quantum gravity in the presence of boundaries, the brst - invariant boundary value problem for the gauge field operators is non - elliptic, and consequently the definition of the effective acti... | arxiv:1301.0717 |
this paper explores distributed nash equilibrium seeking problems for games in which the players have limited knowledge on other players ' actions. in particular, the involved players are considered to be high - order integrators with their control inputs constrained within a pre - specified region. a linear transforma... | arxiv:2108.06573 |
using the replica method we calculate the mean spectral density of the hessian matrix at the global minimum of a random $ n \ gg 1 $ dimensional isotropic, translationally invariant gaussian random landscape confined by a parabolic potential with fixed curvature $ \ mu > 0 $. simple landscapes with generically a single... | arxiv:1806.05294 |
as a first step toward realizing a dynamical system that evolves while spontaneously determining its own rule for time evolution, function dynamics ( fd ) is analyzed. fd consists of a functional equation with a self - referential term, given as a dynamical system of a 1 - dimensional map. through the time evolution of... | arxiv:nlin/0202033 |
ordinary differential equations appear in celestial mechanics ( planets, stars and galaxies ) ; numerical linear algebra is important for data analysis ; stochastic differential equations and markov chains are essential in simulating living cells for medicine and biology. = = = vector analysis = = = vector analysis, al... | https://en.wikipedia.org/wiki/Mathematical_analysis |
this memoir is dedicated to the late francis hayin ree, a formative influence shaping my work in statistical mechanics. between 1963 and 1968 we collaborated on nine papers published in the journal of chemical physics. those dealt with the virial series, cell models, and computer simulation. all of them were directed t... | arxiv:2003.10220 |
superatomic molecular orbitals ( samo ) in c60 are ideal building blocks for functional nanostructures. however, imaging them spatially in the gas phase has been unsuccessful. it is found experimentally that if c60 is excited by an 800 - nm laser, the photoelectron casts an anisotropic velocity image, but the image bec... | arxiv:1504.06899 |
while there has been substantial empirical work identifying factors that influence the contribution to, and use of open source software, we have as yet little theory that identifies the key constructs and relationships that would allow us to explain and predict how open source ecosystems function. what is needed is a c... | arxiv:1905.05985 |
in this paper we obtain a new fully explicit constant for the p \ ' olya - vinogradov inequality for primitive characters. given a primitive character $ \ chi $ modulo $ q $, we prove the following upper bound \ begin { align * } \ left | \ sum _ { 1 \ le n \ le n } \ chi ( n ) \ right | \ le c \ sqrt { q } \ log q, \ ... | arxiv:2001.05114 |
middleboxes in a computer network system inspect and analyse network traffic to detect malicious communications, monitor system performance and provide operational services. however, encrypted traffic hinders the ability of middleboxes to perform such services. a common practice in addressing this issue is by employing... | arxiv:2101.04338 |
progress has been achieved recently in object detection given advancements in deep learning. nevertheless, such tools typically require a large amount of training data and significant manual effort to label objects. this limits their applicability in robotics, where solutions must scale to a large number of objects and... | arxiv:1703.03347 |
we prove pointwise bounds for $ l ^ 2 $ eigenfunctions of the laplace - beltrami operator on locally symmetric spaces with $ \ mathbb { q } $ - rank one if the corresponding eigenvalues lie below the continuous part of the $ l ^ 2 $ spectrum. furthermore, we use these bounds in order to obtain some results concerning t... | arxiv:1005.2980 |
we study the accuracy of the expected euler characteristic approximation to the distribution of the maximum of a smooth, centered, unit variance gaussian process f. using a point process representation of the error, valid for arbitrary smooth processes, we show that the error is in general exponentially smaller than an... | arxiv:math/0507442 |
this study is the first known attempt to search for gamma - ray burst repeaters combining data from gamma - ray experiments flying on board different satellites and making use of information derived from the bursts detected simultaneously by all the experiments. the proposed method is suitable to correlate grb data pro... | arxiv:astro-ph/9804239 |
the efficient energy storage devices are crucial to meet the soaring global energy demand for sustainable future. recently, the sodium - ion batteries ( sibs ) have emerged as one of the excellent cost effective solution due to the uniform geographical distribution and abundance of sodium. here, we use hard carbon ( hc... | arxiv:2401.15420 |
exposure to large language model output is rapidly increasing. how will seeing ai - generated ideas affect human ideas? we conducted an experiment ( 800 + participants, 40 + countries ) where participants viewed creative ideas that were from chatgpt or prior experimental participants and then brainstormed their own ide... | arxiv:2401.13481 |
evidence - enhanced detectors present remarkable abilities in identifying malicious social text with related evidence. however, the rise of large language models ( llms ) brings potential risks of evidence pollution to confuse detectors. this paper explores how to manipulate evidence, simulating potential misuse scenar... | arxiv:2410.12600 |
we investigate the mass modifications of open strange mesons ( vector $ k ^ * $ and axial vector $ k _ 1 $ ) in ( magnetized ) isospin asymmetric nuclear matter using quantum chromodynamics sum rule ( qcdsr ) approach. the in - medium decay widths of $ k ^ * $ $ \ rightarrow $ $ k \ pi $ and $ k _ 1 $ $ \ rightarrow $ ... | arxiv:2302.14493 |
in this article, we combine casting experiments and quantitative simulations to present a novel multiscale modeling approach to predict local primary dendritic spacings in metallic alloys solidified in conditions relevant to industrial casting processes. to this end, primary dendritic spacings were measured in instrume... | arxiv:2101.07780 |
we report a coherence - preserving photon frequency down - conversion experiment based on difference - frequency generation in a periodically poled lithium niobate waveguide, at the single - photon level. the coherence of the process has been demonstrated by measuring the phase coherence of pseudo single - photon time ... | arxiv:1006.4585 |
driven by the remarkable progress in diffusion models, text - to - image generation has made significant strides, creating a pressing demand for automatic quality evaluation of generated images. current state - of - the - art automatic evaluation methods heavily rely on multi - modal large language models ( mllms ), pa... | arxiv:2411.15488 |
we explore an online reinforcement learning ( rl ) paradigm to dynamically optimize parallel particle tracing performance in distributed - memory systems. our method combines three novel components : ( 1 ) a work donation algorithm, ( 2 ) a high - order workload estimation model, and ( 3 ) a communication cost model. f... | arxiv:2109.05679 |
the process e + e - - > mu + mu - has been studied by snd detector at vepp - 2m e + e - collider in the phi ( 1020 ) - resonance energy region. the measured effective phi meson leptonic branching ratio : b ( phi - > l + l - ) = sqrt { b ( phi - > e + e - ) * b ( phi - > mu + mu - ) } = ( 2. 89 + - 0. 10 + - 0. 06 ) * 1... | arxiv:hep-ex/0102029 |
generating a collision - free robot motion is crucial for safe applications in real - world settings. this requires an accurate model of all obstacle shapes within the constrained robot cell, which is particularly challenging and time - consuming. the difficulty is heightened in flexible production lines, where the env... | arxiv:2502.01484 |
continuing advances in neural interfaces have enabled simultaneous monitoring of spiking activity from hundreds to thousands of neurons. to interpret these large - scale data, several methods have been proposed to infer latent dynamic structure from high - dimensional datasets. one recent line of work uses recurrent ne... | arxiv:1908.07896 |
a new record - high room temperature electron hall mobility ( $ { \ mu } _ { rt } = 194 \ space cm ^ { 2 } / v \ space s $ at $ n \ sim 8 \ times 10 ^ { 15 } \ space cm ^ { - 3 } $ ) for $ { \ beta } $ - ga2o3 is demonstrated in the unintentionally doped thin film grown on ( 010 ) semi - insulating substrate via metalo... | arxiv:2004.13089 |
we show that the factor ordering ambiguities associated with the loop quantisation of the gravitational part of the cosmological hamiltonian constraint, disappear at the level of wheeler - dewitt equation only for a particular choice of lattice refinement model, which coincides with constraints imposed from phenomenolo... | arxiv:0806.0595 |
various versions of club are shown to be different. a question of soukup, fuchino and juhasz, is it consistent to have a stick without club, is answered as a consequence. the more detailed version of the paper, which is coming up, also answers a question of galvin. | arxiv:math/9710215 |
the rich star clusters in the large magellanic cloud ( lmc ) are ideal for studying the process of star formation. here we focus on the determination of age spreads amongst the massive stars in two young clusters, ngc1818 and ngc1805. we present colour magnitude diagrams ( derived from hst data ) for these clusters, an... | arxiv:astro-ph/9907246 |
it is commonly maintained that entanglement is necessary to beat the shot noise limit in the sensitivity with which certain parameters can be measured in interferometric experiments. here we show that, with a fluctuating number of two - mode bosons, the shot - noise limit can be beaten by non - entangled bosonic states... | arxiv:1109.0206 |
we make two tiny corrections to our previous paper with the same title, and also obtain, as a bonus, something new. | arxiv:0711.0224 |
recent modeling of the warm absorber in active galactic nuclei has proved the usefulness of constant total ( gas plus radiation ) pressure models, which are highly stratified in temperature and density. we explore the consistency of those models when the typical variation of the flux from the central source is taken in... | arxiv:astro-ph/0701112 |
android applications collecting data from users must protect it according to the current legal frameworks. such data protection has become even more important since in 2018 the european union rolled out the general data protection regulation ( gdpr ). since app developers are not legal experts, they find it difficult t... | arxiv:2503.16640 |
facial expression manipulation aims at editing facial expression with a given condition. previous methods edit an input image under the guidance of a discrete emotion label or absolute condition ( e. g., facial action units ) to possess the desired expression. however, these methods either suffer from changing conditio... | arxiv:2004.03132 |
many real world problems exhibit patterns that have periodic behavior. for example, in astrophysics, periodic variable stars play a pivotal role in understanding our universe. an important step when analyzing data from such processes is the problem of identifying the period : estimating the period of a periodic functio... | arxiv:1111.1315 |
in this work we study the mutual benefits of two common computer vision tasks, self - supervised depth estimation and semantic segmentation from images. for example, to help unsupervised monocular depth estimation, constraints from semantic segmentation has been explored implicitly such as sharing and transforming feat... | arxiv:2004.00171 |
the geometric properties of quantum states are crucial for understanding many physical phenomena in quantum mechanics, condensed matter physics, and optics. the central object describing these properties is the quantum geometric tensor, which unifies the berry curvature and the quantum metric. in this work, we use the ... | arxiv:2503.17163 |
we propose a new zero - shot event detection method by multi - modal distributional semantic embedding of videos. our model embeds object and action concepts as well as other available modalities from videos into a distributional semantic space. to our knowledge, this is the first zero - shot event detection model that... | arxiv:1512.00818 |
the eclipsing hard x - ray source igr j16479 - 4514 is the supergiant fast x - ray transient ( sfxt ) with the shortest orbital period ( 3. 32 days ). this allowed us to perform a 250 ks long x - ray observation with suzaku in 2012 february, covering most of its orbit, including the eclipse egress. outside the eclipse,... | arxiv:1302.1702 |
one way to study the kronecker coefficients is to focus on the kronecker cone, which is generated by the triples of partitions corresponding to non - zero kronecker coefficients. in this article we are interested in producing particular faces of this cone, formed of stable triples ( a notion defined by j. stembridge in... | arxiv:1805.10218 |
vulnerable individuals have a limited ability to make reasonable financial decisions and choices and, thus, the level of care that is appropriate to be provided to them by financial institutions may be different from that required for other consumers. therefore, identifying vulnerability is of central importance for th... | arxiv:2106.06053 |
this research focuses on the algorithms and approaches for learning hidden markov models ( hmms ) and compares hmm learning methods and algorithms. hmm is a statistical markov model in which the system being modeled is assumed to be a markov process. one of the essential characteristics of hmms is their learning capabi... | arxiv:2102.07112 |
computer simulations have long been key to understanding and designing phase - change materials ( pcms ) for memory technologies. machine learning is now increasingly being used to accelerate the modelling of pcms, and yet it remains challenging to simultaneously reach the length and time scales required to simulate th... | arxiv:2502.08393 |
in this paper we investigate a power law coupling higgs inflationary model in which the background geometry is determined by the palatini ' s variational principle. the geometrical symmetries of the background geometry determine the invariant form of the action of the model and the background geometry resulted is of th... | arxiv:2404.09107 |
force is a 1. 2 tonnes small mission dedicated for wide - band fine - imaging x - ray observation. it covers from 1 to 80 kev with a good angular resolution of $ 15 " $ half - power - diameter. it is proposed to be launched around mid - 2020s and designed to reach a limiting sensitivity as good as $ f _ x ( 10 - 40 ~ {... | arxiv:1807.11175 |
the main information of a webpage is usually mixed between menus, advertisements, panels, and other not necessarily related information ; and it is often difficult to automatically isolate this information. this is precisely the objective of content extraction, a research area of widely interest due to its many applica... | arxiv:1210.6113 |
the objects of study in this paper are hopf algebras $ h $ which are finitely generated algebras over an algebraically closed field and are extensions of a commutative hopf algebra by a finite dimensional hopf algebra. basic structural and homological properties are recalled and classes of examples are listed. bounds a... | arxiv:1907.10527 |
combining loss and gain components in one photonic heterostructure opens a new route to efficient manipulation by radiation, transmission, absorption, and scattering of electromagnetic waves. therefore, loss / gain structures enabling $ { \ cal pt } $ - symmetric and $ { \ cal pt } $ - broken phases for eigenvalues hav... | arxiv:1802.08840 |
\ mathcal { k } _ { n + 1 } : = \ left \ { f \ in \ mathcal { c } ^ { n + 1 } \ left [ - 1, 1 \ right ] : \ \ sup \ limits _ { x \ in [ - 1, 1 ] } { \ left \ lvert f ^ { ( n + 1 ) } ( x ) \ right \ rvert \ leq1 } \ right \ } $. | arxiv:1905.00461 |
real - time semantic segmentation plays a significant role in industry applications, such as autonomous driving, robotics and so on. it is a challenging task as both efficiency and performance need to be considered simultaneously. to address such a complex task, this paper proposes an efficient cnn called multiply spat... | arxiv:1911.07217 |
we study the gravitational wave phenomenology in models of solitosynthesis. in such models, a first order phase transition is precipitated by a period in which non - topological solitons with a conserved global charge ( q - balls ) accumulate charge. as such, the nucleation rate of critical bubbles differs significantl... | arxiv:1910.09562 |
factor analysis, often regarded as a bayesian variant of matrix factorization, offers superior capabilities in capturing uncertainty, modeling complex dependencies, and ensuring robustness. as the deep learning era arrives, factor analysis is receiving less and less attention due to their limited expressive ability. on... | arxiv:2407.21740 |
as a natural consequence of cosmological hierarchical structure formation, sub - parsec supermassive black hole binaries ( smbhbs ) should be common in galaxies but thus far have eluded spectroscopic identification. based on four decades of optical spectroscopic monitoring, we report that the nucleus of ngc 5548, a nea... | arxiv:1602.05005 |
hierarchical probabilistic models, such as gaussian mixture models, are widely used for unsupervised learning tasks. these models consist of observable and latent variables, which represent the observable data and the underlying data - generation process, respectively. unsupervised learning tasks, such as cluster analy... | arxiv:1308.2029 |
we present new spectroscopic observations of the early type, double - lined eclipsing binary v446 \, cep. the radial velocities and the photometric data obtained by $ hipparcos $ were analysed for deriving the astrophysical parameters of the components. masses and radii were determined as m $ _ p $ = 17. 94 $ \ pm $ 1.... | arxiv:1406.0499 |
we investigate the long - time dynamics of a sir epidemic model in the case of a population of pathogens infecting a homogeneous host population. the pathogen population is structured by a genotypic variable. when the initial mass of the maximal fitness set is positive, we give a precise description of the convergence ... | arxiv:2107.06418 |
cued speech ( cs ) is an advanced visual phonetic encoding system that integrates lip reading with hand codings, enabling people with hearing impairments to communicate efficiently. cs video generation aims to produce specific lip and gesture movements of cs from audio or text inputs. the main challenge is that given l... | arxiv:2404.19277 |
we present time - dependent models of the accretion disks created during compact object mergers, focusing on the energy available from accretion at late times and the composition of the disk and its outflows. we calculate the dynamics near the outer edge of the disk, which contains the majority of the mass and sets the... | arxiv:0805.4415 |
the l \ ' evy, jumping process, defined in terms of the jumping size distribution and the waiting time distribution, is considered. the jumping rate depends on the process value. the fractional diffusion equation, which contains the variable diffusion coefficient, is solved in the diffusion limit. that solution resolve... | arxiv:0906.1706 |
gas electron multipliers have undergone a very consistent development since their invention in 1997. their production procedures have been tuned in such a way that nowadays it is possible to produce foils with areas of the order of the square meter that can operate at a reasonable gain, uniform over large areas and wit... | arxiv:1803.09382 |
simulation - based verification is beneficial for assessing otherwise dangerous or costly on - road testing of autonomous vehicles ( av ). this paper addresses the challenge of efficiently generating effective tests for simulation - based av verification using software testing agents. the multi - agent system ( mas ) p... | arxiv:1912.05434 |
course material for mathematical methods of theoretical physics intended for an undergraduate audience. | arxiv:1203.4558 |
the realization of optoelectronic devices on paper has been an outstanding challenge due to the large surface roughness and incompatible nature of paper with optical materials. here, we demonstrate a new class of optoelectronic devices on a piece of printing paper using graphene as an electrically reconfigurable optica... | arxiv:1801.04616 |
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