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we present an experimental study of the local and collective magnetism of $ \ mathrm { eufe _ 2as _ 2 } $, that is isostructural with the high temperature superconductor parent compound $ \ mathrm { bafe _ 2as _ 2 } $. in contrast to $ \ mathrm { bafe _ 2as _ 2 } $, where only fe spins order, $ \ mathrm { eufe _ 2as _ ... | arxiv:1703.09819 |
delay is omnipresent in modern control systems, which can prompt oscillations and may cause deterioration of control performance, invalidate both stability and safety properties. this implies that safety or stability certificates obtained on idealized, delay - free models of systems prone to delayed coupling may be err... | arxiv:1709.09019 |
doped lithium lanthanum zirconium oxide ( llzo ) is a promising class of solid electrolytes for lithium - ion batteries due to their good electrochemical stability and compatibility with li metal anodes. ionic diffusivity in these ceramics is known to occur via correlated, vacancy mediated, jumps of li + between altern... | arxiv:2305.08839 |
the flux function in the buckley - leverett equation, that is, the function characterizing the ratio of the relative mobility functions of the two phases, is considered. the common conjecture stating that any convex mobilities result in an s - shaped buckley - leverett function is analyzed and disproved by a counterexa... | arxiv:2303.16803 |
multi - label image recognition is a fundamental yet practical task because real - world images inherently possess multiple semantic labels. however, it is difficult to collect large - scale multi - label annotations due to the complexity of both the input images and output label spaces. to reduce the annotation cost, ... | arxiv:2112.10941 |
lehmer ' s 1947 conjecture on whether $ \ tau ( n ) $ vanishes is still unresolved. in this context, it is natural to consider variants of lehmer ' s conjecture. we determine many integers that cannot be values of $ \ tau ( n ) $. for example, among the odd numbers $ \ alpha $ such that $ | \ alpha | < 99 $, we determi... | arxiv:2007.08683 |
studies of surface brightness fluctuations in the intracluster medium ( icm ) present an indirect probe of turbulent properties such as the turbulent velocities, injection scales, and the slope of the power spectrum of fluctuations towards smaller scales. with the advancement of sunyaev - zel ' dovich ( sz ) studies an... | arxiv:2404.04373 |
many biological networks include cyclic structures. in such cases, bayesian networks ( bns ), which must be acyclic, are not sound models for structure learning. dynamic bns can be used but require relatively large time series data. we discuss an alternative model that embeds cyclic structures within acyclic bns, allow... | arxiv:1906.04992 |
##een has argued that political science ' s approach to the idea of culture, originating with gabriel almond and sidney verba and exemplified by authors like samuel p. huntington, could benefit from aligning more closely with the study of culture in anthropology. in turn, methodologies that are developed within politic... | https://en.wikipedia.org/wiki/Political_science |
we experimentally investigate the chiral optical response of an individual nanostructure consisting of three equally sized spherical nanoparticles made of different materials and arranged in \ ang { 90 } bent geometry. placing the nanostructure on a substrate converts its morphology from achiral to chiral. chirality le... | arxiv:1905.02619 |
we demonstrate theoretically that the thermal hall effect of magnons in collinear antiferromagnetic insulators is an indicator of magnetic and topological phase transitions in the magnon spectrum. the transversal heat current of magnons caused by a thermal gradient is calculated for an antiferromagnet on a honeycomb la... | arxiv:2109.00278 |
designs for magnetic springs of two types have been proposed, and the methods of calculation of their retracting forces have been developed. formulas are obtained for the retracting force in the main section of spring force characteristics. experimental data are in good agreement with the results of theoretical calcula... | arxiv:1410.8130 |
certain exact relations among transverse momentum dependent parton distribution functions due to qcd equations of motion turn into approximate ones upon the neglect of pure twist - 3 terms. on the basis of available data from hermes we test the practical usefulness of one such ` ` wandzura - wilczek - type approximatio... | arxiv:0709.3253 |
the paper presents an innovative methodology for designing frequency selective surface ( fss ) based radar absorbing materials using machine learning ( ml ) technique. in conventional electromagnetic design, unit cell dimensions of fss are used as input and absorption coefficient is then predicted for a given design. i... | arxiv:2502.17534 |
in a seminal article, \ citet [ j. fluid mech., 174 : 441 - 465 ] { maxey87 } presented a theoretical analysis showing that enhanced particle settling speeds in turbulence occur through the preferential sweeping mechanism, which depends on the preferential sampling of the fluid velocity gradient field by the inertial p... | arxiv:1812.08830 |
combining density functional theory ( dft ) and embedded dynamical mean - field theory ( dmft ) methods, we study the metal - insulator transition in $ r _ 2 $ ir $ _ 2 $ o $ _ 7 $ ( $ r $ = y, eu, sm, nd, pr, and bi ) and the topological nature of the insulating compounds. accurate free energies evaluated using the ch... | arxiv:1505.01203 |
we give a preliminary report of a new quark mass matrix model basing on a $ su ( 5 ) \ otimes su ( 5 ) \ otimes q _ { 12 } $ symmetry embedding into a fully gauged $ su ( 5 ) \ otimes su ( 5 ) \ otimes su ( 2 ) $. ~ \ cite { fk } the two $ su ( 5 ) $ ' s contain the standard susy $ su ( 5 ) $ as a diagonal subgroup, wh... | arxiv:hep-ph/9507313 |
an analysis of the environments around a sample of 28 3cr radio galaxies with redshifts 0. 6 < z < 1. 8 is presented, based primarily upon k - - band images down to k ~ 20 taken using the uk infrared telescope ( ukirt ). a net overdensity of k - band galaxies is found in the fields of the radio galaxies, with the mean ... | arxiv:astro-ph/0007285 |
we describe a technique that for the first time measures star formation rates ( sfrs ) in damped lyman alpha systems ( dlas ) directly. we assume that massive stars form in dlas, and that the fuv radiation they emit heats the gas by the grain photoelectric mechanism. we infer the heating rate from the cooling rate meas... | arxiv:astro-ph/0304040 |
we consider yang - mills theory in euclidean space - time $ ( r ^ 4 ) $ and construct its configuration space. the orbits are first shown to form a congruence set. then we discuss the orthogonal gauge condition in abelian theory and show that coulomb - like surfaces foliate the entire configuration space. in the non - ... | arxiv:hep-th/0110038 |
the stability of high vs. low spin states of transition metal complexes has been interpreted by ligand field theory, which is a perturbation theory of the electron - electron interaction. the present first principles calculation of a series of five cobalt complexes shows that the electron - electron interaction energy ... | arxiv:1209.6432 |
spiking neural networks ( snns ), models inspired by neural mechanisms in the brain, allow for energy - efficient implementation on neuromorphic hardware. however, snns trained with current direct training approaches are constrained to a specific time step. this " temporal inflexibility " 1 ) hinders snns ' deployment ... | arxiv:2503.17394 |
stochastic gradient descent ( sgd ) and its many variants are the widespread optimization algorithms for training deep neural networks. however, sgd suffers from inevitable drawbacks, including vanishing gradients, lack of theoretical guarantees, and substantial sensitivity to input. the alternating direction method of... | arxiv:2401.03619 |
object detection requires substantial labeling effort for learning robust models. active learning can reduce this effort by intelligently selecting relevant examples to be annotated. however, selecting these examples properly without introducing a sampling bias with a negative impact on the generalization performance i... | arxiv:2212.04211 |
the models surveyed include generalized p \ ' { o } lya urns, reinforced random walks, interacting urn models, and continuous reinforced processes. emphasis is on methods and results, with sketches provided of some proofs. applications are discussed in statistics, biology, economics and a number of other areas. | arxiv:math/0610076 |
the vertical shear instability ( vsi ) offers a potential hydrodynamic mechanism for angular momentum transport in protoplanetary disks ( ppds ). the vsi is driven by a weak vertical gradient in the disk ' s orbital motion, but must overcome vertical buoyancy, a strongly stabilizing influence in cold disks, where heati... | arxiv:1505.02163 |
the influence of strong and electroweak penguin amplitudes in $ b / \ bar b \ rightarrow \ pi ^ + \ pi ^ - $ is investigated in connection with the determination of the unitarity triangle angle $ \ alpha $ of the ckm matrix. a relation between the observable asymmetry, the angle $ \ alpha $, and the penguin amplitude i... | arxiv:hep-ph/9512341 |
we compile a sample of x - ray - selected galaxy groups and clusters from the xmm - newton serendipitous source catalogue ( 2xmmi - dr3 ) with optical confirmation and redshift measurement from the sloan digital sky survey ( sdss ). the x - ray cluster candidates were selected from the 2xmmi - dr3 catalogue in the foot... | arxiv:1308.6699 |
mainstream test - time adaptation ( tta ) techniques endeavor to mitigate distribution shifts via entropy minimization for multi - class classification, inherently increasing the probability of the most confident class. however, when encountering multi - label instances, the primary challenge stems from the varying num... | arxiv:2502.03777 |
in limited mobility ( lm ) models of thin film deposition, the final position of each atom or molecule is chosen according to a set of stochastic rules before the incidence of another atom or molecule. here we investigate the possibility of a lm model to reproduce features of a more realistic approach that represents t... | arxiv:2004.04859 |
let $ ( i, + ) $ be a finite abelian group and $ \ mathbf { a } $ be a circular convolution operator on $ \ ell ^ 2 ( i ) $. the problem under consideration is how to construct minimal $ \ omega \ subset i $ and $ l _ i $ such that $ y = \ { \ mathbf { e } _ i, \ mathbf { a } \ mathbf { e } _ i, \ cdots, \ mathbf { a }... | arxiv:1702.05345 |
larson ( 1981 ) first noted a scaling relation between masses and sizes in molecular clouds that implies that these objects have approximately constant column densities. this original claim, based upon millimeter observations of carbon monoxide lines, has been challenged by many theorists, arguing that the apparent con... | arxiv:1008.4251 |
we study unbiased discrete random walks on the fsft based on the its self - similar structure and the relations between random walks and electrical networks. first, we provide new methods to derive analytic solutions of the mfpt for any pair of nodes, the mtt for any target node and mdt for any starting node. and then,... | arxiv:1312.7344 |
in this paper we reveal the existence of a large family of new, nontrivial and smooth traveling waves for the 2d euler equation at an arbitrarily small distance from the couette flow in $ h ^ s $, with $ s < 3 / 2 $, at the level of the vorticity. the speed of these waves is of order 1 with respect to this distance. th... | arxiv:2111.03529 |
we validate the bond et al. ( 2010 ) kinematic models for the milky way ' s disk and halo stars with gaia data release 3 data. bond et al. constructed models for stellar velocity distributions using stellar radial velocities measured by the sloan digital sky survey ( sdss ) and stellar proper motions derived from sdss ... | arxiv:2406.03541 |
in this paper we introduce the categorical " true local terms " maps for artin stacks and show that they are additive and commute with proper pushforwards, smooth pullbacks and specializations. in particular, we generalizing results of [ va2 ] to this setting. as an application, we supply proofs of two theorems stated ... | arxiv:2012.14257 |
the possible dynamics of an ecosystem with three interconnected patches among which one population can migrate are investigated, paying attention to the consequences that possible disruption in the communicating paths can cause. | arxiv:1403.4457 |
double perovskite iridates $ a _ 2 $ zniro $ _ 6 $ ( $ a $ = alkaline or lanthanide ) show complex magnetic behaviors ranging from weak ferromagnetism to successive antiferromagnetic transitions. here we report the static ( $ dc $ ) and dynamic ( $ ac $ ) magnetic susceptibility, and neutron powder diffraction measurem... | arxiv:2102.01276 |
this paper deals with cyclic covers of a large family of rational normal surfaces that can also be described as quotients of a product, where the factors are cyclic covers of algebraic curves. we use a generalization of esnault - viehweg method to show that the action of the monodromy on the first betti group of the co... | arxiv:2303.09895 |
it is unknown how far dust growth can proceed by coagulation. obstacles to collisional growth are the fragmentation and bouncing barriers. however, in all previous simulations of the dust - size evolution in protoplanetary disks, only the mean collision velocity has been considered, neglecting that a small but possibly... | arxiv:1208.0304 |
the quadrance between two points a _ 1 = ( x _ 1, y _ 1 ) and a _ 2 = ( x _ 2, y _ 2 ) is the number q ( a _ 1, a _ 2 ) = ( x _ 1 - x _ 2 ) ^ 2 + ( y _ 1 - y _ 2 ) ^ 2. let q be an odd prime power and f _ q be the finite field with $ q $ elements. the unit - quadrance graph d _ q has the vertex set f _ q ^ 2, and x, y ... | arxiv:math/0510092 |
large - scale pre - training vision - language model such as clip has demonstrated outstanding performance in zero - shot classification, e. g. achieving 76. 3 % top - 1 accuracy on imagenet without seeing any example, which leads to potential benefits to many tasks that have no labeled data. however, while applying cl... | arxiv:2308.03793 |
we calculate the homology of the free loop space of ( n - 1 ) - connected closed manifolds of dimension at most 3n - 2 ( n > 1 ), with the chas - sullivan loop product and loop bracket. over a field of characteristic zero, we obtain an expression for the bv - operator. we also give explicit formulas for the betti numbe... | arxiv:1502.03356 |
a popular approach for 3d source localization using multiple microphones is the steered - response power method, where the source position is directly estimated by maximizing a function of three continuous position variables. instead of directly estimating the source position, in this paper we propose an indirect, dist... | arxiv:2205.08960 |
the adoption of tablets with touchscreens and styluses is increasing, and a key feature is converting handwriting to text, enabling search, indexing, and ai assistance. meanwhile, vision - language models ( vlms ) are now the go - to solution for image understanding, thanks to both their state - of - the - art performa... | arxiv:2402.15307 |
in our previous paper [ fei hou, fei tao, huicheng yin, global existence and scattering of small data smooth solutions to a class of quasilinear wave systems on $ \ mathbb { r } ^ 2 \ times \ mathbb { t } $, preprint ( 2024 ), arxiv : 2405. 03242 ], for the $ q _ 0 $ - type quadratic nonlinearities, we have shown the g... | arxiv:2412.07463 |
we give a practical random mapping that takes any set of documents represented as vectors in euclidean space and then maps them to a sparse subset of the hamming cube while retaining ordering of inter - vector inner products. once represented in the sparse space, it is natural to index documents using commercial text -... | arxiv:1507.05929 |
c } }, } that is, rotating 270° clockwise after reflecting horizontally equals reflecting along the counter - diagonal ( f c { \ displaystyle f _ { \ mathrm { c } } } ). indeed, every other combination of two symmetries still gives a symmetry, as can be checked using the cayley table. associativity : the associativity ... | https://en.wikipedia.org/wiki/Group_(mathematics) |
the abundance of instructional videos and their narrations over the internet offers an exciting avenue for understanding procedural activities. in this work, we propose to learn video representation that encodes both action steps and their temporal ordering, based on a large - scale dataset of web instructional videos ... | arxiv:2303.17839 |
we give a method to construct non symmetric solutions of a global tetrahedron equation from solutions of the yang - baxter equation. the solution in the homflypt case gives rise to the first combinatorial quantum 1 - cocycle which represents a non trivial cohomology class in the topological moduli space of long knots. ... | arxiv:1304.0970 |
in recent years, integrating large language models ( llms ) into recommender systems has created new opportunities for improving recommendation quality. however, a comprehensive benchmark is needed to thoroughly evaluate and compare the recommendation capabilities of llms with traditional recommender systems. in this p... | arxiv:2503.05493 |
we consider the space of polydifferential operators on n functions on symplectic manifolds invariant under symplectic automorphisms, whose study was initiated by mathieu in 1995. permutations of inputs yield an action of s _ n, which extends to an action of s _ { n + 1 }. we study this structure viewing n as a paramete... | arxiv:1006.0268 |
we review the advancement of the research toward the design and implementation of quantum plenoptic cameras, radically novel 3d imaging devices that exploit both momentum - position entanglement and photon - number correlations to provide the typical refocusing and ultra - fast, scanning - free, 3d imaging capability o... | arxiv:2106.07826 |
the hipparcos mission has made it possible to constrain the positions of nearby field stars in the colour - magnitude diagram with very high accuracy. these positions can be compared with the predictions of stellar evolutionary calculations to provide information on the basic parameters of the stars : masses, radii, ef... | arxiv:astro-ph/9911002 |
let $ x $ be a non - empty ground set and $ \ mathscr { p } ( x ) $ be its power set. a set - labeling ( or a set - valuation ) of a graph $ g $ is an injective set - valued function $ f : v ( g ) \ to \ mathscr { p } ( x ) $ such that the induced function $ f ^ * : e ( g ) \ to \ mathscr { p } ( x ) $ is defined by $ ... | arxiv:1701.00190 |
simulation - based virtual testing has become an essential step to ensure the safety of autonomous driving systems. testers need to handcraft the virtual driving scenes and configure various environmental settings like surrounding traffic, weather conditions, etc. due to the huge amount of configuration possibilities, ... | arxiv:2106.00873 |
within the covariant formulation of light - front dynamics, we calculate the state vector of a fermion coupled to identical scalar bosons ( the yukawa model ). the state vector is decomposed in fock sectors and we consider the first three ones : a single fermion, a fermion coupled to one boson, and a fermion coupled to... | arxiv:0812.1100 |
in this paper, we have compared two different accretion mechanisms of dark matter particles by a canonical neutron star with $ m = 1. 4 ~ m _ { \ odot } $ and $ r = 10 ~ { \ rm km } $, and shown the effects of dark matter heating on the surface temperature of star. we should take into account the bondi accretion of dar... | arxiv:1705.08864 |
the mpemba effect, an example of anomalous thermal relaxations, occurs when a system prepared at a hot temperature overtakes an identical system prepared at a warm temperature and cools down faster to the environment ' s temperature. we study the mpemba effect in markov jump processes on linear reaction networks as a f... | arxiv:2308.04557 |
in the field of large - scale slam for autonomous driving and mobile robotics, 3d point cloud based place recognition has aroused significant research interest due to its robustness to changing environments with drastic daytime and weather variance. however, it is time - consuming and effort - costly to obtain high - q... | arxiv:2012.05018 |
note : published now as a chapter in " handbook of the history and philosophy of mathematical practice " ( springer nature, editor b. sriraman, https : / / doi. org / 10. 1007 / 978 - 3 - 030 - 19071 - 2 _ 105 - 1 ). the application of mathematical probability theory in statistics is quite controversial. controversies ... | arxiv:2007.05748 |
deepfake speech represents a real and growing threat to systems and society. many detectors have been created to aid in defense against speech deepfakes. while these detectors implement myriad methodologies, many rely on low - level fragments of the speech generation process. we hypothesize that breath, a higher - leve... | arxiv:2404.15143 |
we consider an urn model with multiple drawing and random time - dependent addition matrix. the model is very general with respect to previous literature : the number of sampled balls at each time - step is random, the addition matrix has general random entries. for the proportion of balls of a given color, we prove al... | arxiv:2102.06287 |
we provide the theoretical basis for understanding the phenomenon in which an ultra cold atom incident on a possibly warm target will not stick, even in the large $ n $ limit where $ n $ is the number of internal degrees of freedom of the target. our treatment is non - perturbative in which the full many - body problem... | arxiv:physics/0010068 |
we formulate guo - - jacquet type fundamental lemma conjectures and arithmetic transfer conjectures for inner forms of $ gl _ { 2n } $. our main results confirm these conjectures for division algebras of invariant $ 1 / 4 $ and $ 3 / 4 $. | arxiv:2307.11716 |
we discuss qed radiative corrections at first and second order for the parity violating asymmetry $ a _ \ text { pv } $ in elastic electron proton scattering. a measurement of $ a _ \ text { pv } $ is planned at low energies and with high precision by the forthcoming p2 experiment at the new mesa facility in mainz. bre... | arxiv:1903.12229 |
we employ state - of - the art cosmological observables including supernova surveys and bao information to provide constraints on the mass and mixing angle of a non - resonantly produced sterile neutrino species, showing that cosmology can effectively rule out sterile neutrinos which decay between bbn and the present d... | arxiv:1408.1956 |
deep neural network models have been proven to be very successful in image classification tasks, also for medical diagnosis, but their main concern is its lack of interpretability. they use to work as intuition machines with high statistical confidence but unable to give interpretable explanations about the reported re... | arxiv:1712.08107 |
we study the prospect of bardeen black holes in explaining the observed shadow of sgr a * and m87 *. bardeen black holes are regular black holes endowed with a magnetic monopole charge that arise in einstein gravity coupled to non - linear electrodynamics. these black holes are interesting as they can evade the r = 0 c... | arxiv:2207.06034 |
this is a white paper in support of the mission concept of the large observatory for x - ray timing ( loft ), proposed as a medium - sized esa mission. we discuss the potential of loft for the study of active galactic nuclei. for a summary, we refer to the paper. | arxiv:1501.02768 |
the confined, quasi - two - dimensional guiding center plasma and a system of interacting line vortices in an ideal fluid are examples of hamiltonian systems with infinite interaction distances. the existence of metastable states with negative specific is investigated by standard entropy maximization of the thermodynam... | arxiv:1011.1535 |
let $ a $ be an alphabet and $ sp ^ \ diamond ( a ) $ denote the class of all countable n - free partially ordered sets labeled by $ a $, in which chains are scattered linear orderings and antichains are finite. we characterize the rational languages of $ sp ^ \ diamond ( a ) $ by means of logic. we define an extension... | arxiv:1912.10240 |
we prove convergence of a sequence of weak solutions of the nonlocal cahn - hilliard equation to the strong solution of the corresponding local cahn - hilliard equation. the analysis is done in the case of sufficiently smooth bounded domains with neumann boundary condition and a $ w ^ { 1, 1 } $ - kernel. the proof is ... | arxiv:2307.02264 |
in incremental object detection, knowledge distillation has been proven to be an effective way to alleviate catastrophic forgetting. however, previous works focused on preserving the knowledge of old models, ignoring that images could simultaneously contain categories from past, present, and future stages. the co - occ... | arxiv:2407.11499 |
we compile the multi - band spectral energy distribution ( sed ) of seyfert 1 galaxy ngc4593, and investigate its optical - to - ultraviolet ( ouv ) continuum and iron k \ alpha line profile. no strong ` ` big blue bump ' ' is found in ouv band. the iron k \ alpha line profile is not as broad as expected from a disk wh... | arxiv:astro-ph/0006004 |
context : expert judgement is a common method for software effort estimations in practice today. estimators are often shown extra obsolete requirements together with the real ones to be implemented. only one previous study has been conducted on if such practices bias the estimations. objective : we conducted six experi... | arxiv:2103.13265 |
we construct canonical integral transforms, analogous to the fourier transform, that have periods six and three. the existence of such transforms is shown to arise naturally from the expectation that the schwartz space on the real line, viewed as the heisenberg module of rieffel and connes over the rotation c * - algeb... | arxiv:math/0401340 |
basic theoretical and experimental aspects of neutrino magnetic moments are reviewed, including the present best upper bounds from reactor experiments and astrophysics. an interesting effect of neutrino spin precession and oscillations induced by the background matter transversal current or polarization is also discuss... | arxiv:1603.00337 |
in this paper we investigate actions of $ \ operatorname { saut } ( f _ n ) $, the unique index $ 2 $ subgroup of $ \ operatorname { aut } ( f _ n ) $, on small sets, improving upon results by baumeister - - kielak - - pierro for several small values of $ n $. using a computational approach for $ n \ geqslant 5 $, we s... | arxiv:2108.13152 |
human behavior is a continuous stochastic spatio - temporal process which is governed by semantic actions and affordances as well as latent factors. therefore, video - based human activity modeling is concerned with a number of tasks such as inferring current and future semantic labels, predicting future continuous obs... | arxiv:1809.08875 |
we study the cauchy problem for the semilinear nonautonomous parabolic equation $ u _ t = \ mathcal { a } ( t ) u + \ psi ( t, u ) $ in $ [ s, \ tau ] \ times { { \ mathbb r } ^ d } $, $ \ tau > s $, in the spaces $ c _ b ( [ s, \ tau ] \ times { { \ mathbb r } ^ d } ) $ and in $ l ^ p ( ( s, \ tau ) \ times { { \ math... | arxiv:1503.02537 |
the projection operation is a critical component in a wide range of optimization algorithms, such as online gradient descent ( ogd ), for enforcing constraints and achieving optimal regret bounds. however, it suffers from computational complexity limitations in high - dimensional settings or when dealing with ill - con... | arxiv:2305.19349 |
kinematic fitting is a well - established tool to improve jet energy and invariant mass resolutions by fitting the measured values under constraints ( e. g. energy conservation ). however, in the presence of substantial isr and beamstrahlung, naive energy and ( longitudinal ) momentum constraints fail due to the a prio... | arxiv:0901.4656 |
in this paper, we study the effects of parity violation on non - gaussianities of primordial gravitational waves in the framework of ho \ v { r } ava - lifshitz theory of gravity, in which high - order spatial derivative operators, including the ones violating parity, generically appear. by calculating the three point ... | arxiv:1305.0600 |
we study the uniqueness and robustness of acoustic signatures in the cosmic microwave background by allowing for the possibility that they are generated by some as yet unknown source of gravitational perturbations. the acoustic { \ it pattern } of peak locations and relative heights predicted by the standard inflationa... | arxiv:astro-ph/9602019 |
we consider a class of queries called durability prediction queries that arise commonly in predictive analytics, where we use a given predictive model to answer questions about possible futures to inform our decisions. examples of durability prediction queries include " what is the probability that this financial produ... | arxiv:2103.12887 |
in the past two decades, many research groups worldwide have tried to understand and categorize simple regimes in the charge transfer of such biological systems as dna. theoretically speaking, the lack of exact theories for electron - nuclear dynamics on one side, and poor quality of the parameters needed by model hami... | arxiv:1310.6189 |
the comparison of experimental data and theoretical predictions is important for our understanding of the mechanisms for interactions and particle production in hadron collisions, both at the large hadron collider and at the relativistic heavy - ion collider experiments. several tools were ideated to help with that. ri... | arxiv:2301.02704 |
we prove that for any contact 3 - manifold supported by a spinal open book decomposition with planar pages, there is a universal bound on the euler characteristic and signature of its minimal symplectic fillings. the proof is an application of the spine removal surgery operation recently introduced in joint work of the... | arxiv:1902.01326 |
solving dense hermitian eigenproblems arranged in a sequence with direct solvers fails to take advantage of those spectral properties which are pertinent to the entire sequence, and not just to the single problem. when such features take the form of correlations between the eigenvectors of consecutive problems, as is t... | arxiv:1805.10121 |
the rate of magnetic field diffusion plays an essential role in several astrophysical plasma processes. it has been demonstrated that the omnipresent turbulence in astrophysical media induces fast magnetic reconnection, which consequently leads to large - scale magnetic flux diffusion at a rate independent of the plasm... | arxiv:2005.07775 |
we carried out a critical appraisal of the two theoretical models, kurucz ' atlas9 and phoenix / nextgen, for stellar atmosphere synthesis. our tests relied on the theoretical fit of seds for a sample of 334 target stars along the whole spectral - type sequence. the best - fitting physical parameters of stars allowed a... | arxiv:astro-ph/0406215 |
for any subgraph of a graph, the laplacian with neumann boundary condition was introduced by chung and yau [ cy94 ]. in this paper, motivated by the riemannian case, we introduce the cheeger constants for neumann problems and prove corresponding cheeger estimates for first nontrivial eigenvalues. | arxiv:1610.01360 |
we propose a method for off - road drivable area extraction using 3d lidar data with the goal of autonomous driving application. a specific deep learning framework is designed to deal with the ambiguous area, which is one of the main challenges in the off - road environment. to reduce the considerable demand for human ... | arxiv:2003.04780 |
resummation of large qcd radiative corrections, including leading and next - to - leading logarithms, in pion electromagnetic form factor is reviewed. similar formalism is applied to exclusive processes involving heavy mesons, and leads to sudakov suppression for the semi - leptonic decay $ b \ to \ pi l \ nu $. it is ... | arxiv:hep-ph/9411308 |
both ( $ e $, $ e ' p $ ) and ( $ p $, $ 2p $ ) reactions have been performed to study the proton single - particle character of nuclear states with its related spectroscopic factor. recently, the dispersive optical model ( dom ) was applied to the ( $ e $, $ e ' p $ ) analysis revealing that the traditional treatment ... | arxiv:2109.02211 |
we show that when bjorken $ x _ b $ is large, the leading order twist - four contributions to the structure functions can be expressed in terms of the derivatives of the normal twist - two parton distributions. our analytical results are not only consistent with the parameterized power corrections extracted from the da... | arxiv:hep-ph/9810548 |
the detection of gravitational waves from inspiraling compact binaries using matched filtering depends crucially on the availability of accurate template waveforms. we determine whether the accuracy of the templates ' phasing can be improved by solving the post - newtonian energy balance equation numerically, rather th... | arxiv:gr-qc/9912075 |
non - linear redshift - space distortions ( " fingers of god " ) are challenging to model analytically, a fact that limits the applicability of perturbation theory in redshift space as compared to real space. we show how this problem can be mitigated using a new observable, $ q _ 0 $, which can be easily estimated from... | arxiv:2110.00006 |
a successful connection between higgs boson decays and the maximum entropy principle is presented. based on the information theory inference approach we determine the higgs boson mass as $ m _ h = 125. 04 \ pm 0. 25 $ gev, a value fully compatible to the lhc measurement. this is straightforwardly obtained by taking the... | arxiv:1408.0827 |
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