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tradition, featuring a core curriculum of chinese and western literature and civilization studies and required courses in physical education and foreign languages. furthermore, while most tsinghua undergraduates must choose a specific major upon entrance, xinya students declare their majors at the end of freshman year,... | https://en.wikipedia.org/wiki/Tsinghua_University |
new computing paradigms, modern feature - rich programming languages and off - the - shelf software libraries enabled the development of new sophisticated malware families. evidence of this phenomena is the recent growth of fileless malware attacks. fileless malware or memory resident malware is an example of an advanc... | arxiv:1911.11276 |
in this paper we extend a method for iteratively improving slow manifolds so that it also can be used to approximate the fiber directions. the extended method is applied to general finite dimensional real analytic systems where we obtain exponential estimates of the tangent spaces to the fibers. the method is demonstra... | arxiv:1208.6420 |
sit - to - stand ( sts ) is a fundamental daily activity that can be challenging for stroke survivors due to strength, motor control, and proprioception deficits in their lower limbs. existing therapies involve repetitive sts exercises, but these can be physically demanding for therapists while assistive devices may li... | arxiv:2310.06084 |
when global symmetries are spontaneously broken in supersymmetric vacua, there appear quasi - nambu - goldstone ( ng ) fermions as superpartners of ng bosons. in addition to these, there can appear quasi - ng bosons in general. the quasi - ng bosons and fermions together with the ng bosons are organized into chiral mul... | arxiv:1408.4210 |
we provide here a roadmap for modeling silicon nano - devices with one or two group v donors ( d ). we discuss systems containing one or two electrons, that is, d ^ 0, d ^ -, d _ 2 ^ + and d _ 2 ^ 0 centers. the impact of different levels of approximation is discussed. the most accurate instances - - for which we provi... | arxiv:1407.8224 |
we consider a class of physiologically structured population models, a first order nonlinear partial differential equation equipped with a nonlocal boundary condition, with a constant external inflow of individuals. we prove that the linearised system is governed by a quasicontraction semigroup. we also establish that ... | arxiv:0906.2180 |
low - dimensional representations, or embeddings, of a graph ' s nodes facilitate several practical data science and data engineering tasks. as such embeddings rely, explicitly or implicitly, on a similarity measure among nodes, they require the computation of a quadratic similarity matrix, inducing a tradeoff between ... | arxiv:2006.04746 |
we consider 3 + 1 dimensional quantum field theories ( qfts ) coupled to the dilaton and the graviton. we show that the graviton - dilaton scattering amplitude receives a universal contribution which is helicity flipping and is proportional to $ \ delta c - \ delta a $ along any rg flow, where $ \ delta c $ and $ \ del... | arxiv:2312.09308 |
it is known from density functional theory ( dft ) calculations that rhsi has a multifold degenerate dirac point at the fermi energy, with the dominant states in the low - energy region displaying mostly rh $ d $ character. using dft + u, we calculate the band structure by considering an effective local interaction on ... | arxiv:2403.19370 |
in wireless communications, estimation of channels in ofdm systems spans frequency and time, which relies on sparse collections of pilot data, posing an ill - posed inverse problem. moreover, deep learning estimators require large amounts of training data, computational resources, and true channels to produce accurate ... | arxiv:2504.08660 |
according to quantum mechanics chiral molecules, that is molecules that rotate the polarization of light, should not exist. the simplest molecules which can be chiral have four or more atoms with two arrangements of minimal potential energy that are equivalent up to a parity operation. chiral molecules correspond to st... | arxiv:1501.02099 |
we present the discovery of a plausible disk - eclipse system ogle - blg182. 1. 162852. the ogle light curve for ogle - blg182. 1. 162852 shows three episodes of dimming by $ i \ simeq 2 - 3 $ magnitudes, separated by 1277 days. the shape of the light curve during dimming events is very similar to that of known disk ec... | arxiv:1410.2643 |
we investigate topologically biased failure in scale - free networks with degree distribution $ p ( k ) \ propto k ^ { - \ gamma } $. the probability $ p $ that an edge remains intact is assumed to depend on the degree $ k $ of adjacent nodes $ i $ and $ j $ through $ p _ { ij } \ propto ( k _ { i } k _ { j } ) ^ { - \... | arxiv:0812.3591 |
it has been considered that feas - based high transition temperature ( high - tc ) superconductors need electron or hole doping by aliovalent ion substitution or large off - stoichiometry in order to induce superconductivity. we report that exposure of undoped srfe2as2 epitaxial thin films to water vapor induces a supe... | arxiv:0903.3710 |
we have detected 506 i - dropouts ( z ~ 6 galaxies ) in deep, wide - area hst acs fields : hudf, enhanced goods, and hudf - parallel acs fields ( hudf - ps ). the contamination levels are < = 8 % ( i. e., > = 92 % are at z ~ 6 ). with these samples, we present the most comprehensive, quantitative analyses of z ~ 6 gala... | arxiv:astro-ph/0509641 |
the causal dependence in data is often characterized by directed acyclic graphical ( dag ) models, widely used in many areas. causal discovery aims to recover the dag structure using observational data. this paper focuses on causal discovery with multi - variate count data. we are motivated by real - world web visit da... | arxiv:2406.06829 |
we present a detailed study of the galaxy cluster abell 795 and of its central fanaroff - riley type 0 ( fr0 ) radio galaxy. from an archival chandra observation, we found a dynamically disturbed environment with evidences for sloshing of the intracluster medium. we argue that the environment alone cannot explain the c... | arxiv:2111.02160 |
we investigate the two - dimensional lattice u ( 1 ) gauge - higgs model with a topological term, employing l \ " uscher ' s admissibility condition. the standard monte carlo simulation for this model is hindered not only by the complex action problem due to the topological term but also by the topological freezing pro... | arxiv:2501.15352 |
we present a collection of selected phenomena observed in j / psi production from proton - nucleus and heavy ion collisions at energies, ranging between the sps and lhc. the emphasis is placed on the related theoretical ideas or techniques, which are either not widely known, or offer an alternative explanation to the o... | arxiv:1210.6281 |
using wide - field $ bvr _ ci $ imaging for a sample of 16 intermediate redshift ( $ 0. 17 < z < 0. 55 $ ) galaxy clusters from the canadian network for observational cosmology ( cnoc1 ) survey, we investigate the dependence of cluster galaxy populations and their evolution on environment. galaxy photometric redshifts ... | arxiv:0904.0831 |
topological spin textures such as magnetic skyrmions hold considerable promise as robust, nanometre - scale, mobile bits for sustainable computing. a longstanding roadblock to unleashing their potential is the absence of a device enabling deterministic electrical readout of individual spin textures. here we present the... | arxiv:2302.08020 |
we describe the design of a low - phase - modulated ( pm ) noise, 40 ghz oscillator that uses a conventional air - dielectric cavity resonator as a frequency discriminator to improve the pm noise of a commercial 10 ghz dielectric resonator oscillator ( dro ) frequency multiplied by four. the main features of this desig... | arxiv:1404.4828 |
we study the possibility of orbital synchronization capture for a hierarchical quadrupole stellar system composed by two binaries emitting gravitational waves. based on a simple model including the mass transfer for white dwarf binaries, we find that the capture might be realized for inter - binary distances less than ... | arxiv:1801.02286 |
we study the electronic states of giant single - shell and the recently discovered nested multi - shell carbon fullerenes within the tight - binding approximation. we use two different approaches, one based on iterations and the other on symmetry, to obtain the $ \ pi $ - state energy spectra of large fullerene cages :... | arxiv:cond-mat/9312040 |
theoretical and numerical calculations of the optical absorption spectra of excitons interacting with longitudinal - optical phonons in quasi - 2d polar semiconductors are presented. in ii - vi semiconductor quantum wells, exciton binding energy can be tuned on - and off - resonance with the longitudinal - optical phon... | arxiv:cond-mat/0106078 |
let $ \ mathfrak { g } $ be a solvable lie algebra and $ q $ an $ ad \ mathfrak { g } $ - stable prime ideal of the symmetric algebra $ s ( \ mathfrak { g } ) $ of $ \ mathfrak { g } $. if $ e $ is the set of non zero elements of $ s ( \ mathfrak { g } ) / q $ which are eigenvectors for the adjoint action of $ \ mathfr... | arxiv:math/0702615 |
a number of time resolved optical experiments probing and controlling the spin and charge dynamics of the high mobility two - dimensional electron gas in a gaas / algaas heterojunction are discussed. these include time resolved reflectivity, luminescence, transient grating, magneto - optical kerr effect, and electro - ... | arxiv:cond-mat/0610783 |
the collective tunneling of a small cluster of spins between two degenerate ground state configurations of the kagom \ ' { e } - lattice quantum heisenberg antiferromagnet is \ mbox { studied }. the cluster consists of the six spins on a hexagon of the lattice. the resulting tunnel splitting energy $ \ delta $ is calcu... | arxiv:cond-mat/9211002 |
interlaced spin grating is a scheme for the preparation of spectro - spatial periodic absorption gratings in a inhomogeneously broadened absorption profile. it relies on the optical pumping of atoms in a nearby long - lived ground state sublevel. the scheme takes advantage of the sublevel proximity to build large contr... | arxiv:1407.3944 |
understanding the thermodynamic state of the hot intracluster medium ( icm ) in a galaxy cluster requires a knowledge of the plasma transport processes, especially thermal conduction. the basic physics of thermal conduction in plasmas with icm - like conditions has yet to be elucidated, however. we use particle - in - ... | arxiv:1606.05261 |
conditional flow matching ( cfm ) models can generate high - quality samples from a non - informative prior, but they can be slow, often needing hundreds of network evaluations ( nfe ). to address this, we propose implicit dynamical flow fusion ( idff ) ; idff learns a new vector field with an additional momentum term ... | arxiv:2409.14599 |
we point out that luminous magnetic flares, thought to occur in standard agn accretion disks, cannot be located much higher than few pressure scale heights above the disk. using this fact, we estimate the fraction of the disk surface illuminated by a typical flare. this fraction turns out to be very small for geometric... | arxiv:astro-ph/0101312 |
atomic scale computer simulations on structures and photo induced volume changes of flatly and obliquely deposited amorphous selenium films have been carried out in order to understand how the properties of chalcogenide glasses are influenced by their preparation method. obliquely deposited a - se thin films contain mo... | arxiv:0806.4066 |
a primary source of increased read time on nand flash comes from the fact that in the presence of noise, the flash medium must be read several times using different read threshold voltages for the decoder to succeed. this paper proposes an algorithm that uses a limited number of re - reads to characterize the noise dis... | arxiv:2202.05661 |
within the framework of lorentz model for description of viscoelastic medium the influence of deformational defect of the shear modulus is studied on melting of ultrathin lubricant film confined between the atomically flat solid surfaces. the possibility of jump - like and continuous melting is shown. three modes of lu... | arxiv:cond-mat/0610144 |
we review and update some aspects of deuterium chemistry in the post - recombination universe with particular emphasis on the formation and destruction of hd. we examine in detail the available theoretical and experimental data for the leading reactions of deuterium chemistry and we highlight the areas where improvemen... | arxiv:astro-ph/0202329 |
phase change material ( pcm ) features distinct optical or electronic properties between amorphous and crystalline states. recently, it starts to play a key role in the emerging photonic applications like optoelectronic display, dynamic wavefront control, on - chip photonic memory and computation. however, current pcms... | arxiv:1904.11691 |
both the original temperley - lieb algebras $ \ mathsf { tl } _ { n } $ and their dilute counterparts $ \ mathsf { dtl } _ { n } $ form families of filtered algebras : $ \ mathsf { tl } _ { n } \ subset \ mathsf { tl } _ { n + 1 } $ and $ \ mathsf { dtl } _ { n } \ subset \ mathsf { dtl } _ { n + 1 } $, for all $ n \ g... | arxiv:1605.05159 |
in this paper we investigate the construction of state models for link invariants using representations of the braid group obtained from various gauge choices for a solution of the trigonometric yang - baxter equation. our results show that it is possible to obtain invariants of regular isotopy ( as defined by kauffman... | arxiv:math/0004169 |
in the context of spinfoam models for quantum gravity, we investigate the asymptotical behavior of the 6j - symbol at next - to - leading order. we compute it analytically and check our results against numerical calculations. the 6j - symbol is the building block of the ponzano - regge amplitudes for 3d quantum gravity... | arxiv:0905.4188 |
liko and wesson have recently introduced a new 5 - dimensional induced matter solution of the einstein equations, a negative curvature robertson - walker space embedded in a riemann flat 5 - dimensional manifold. we show that this solution is a special case of a more general theorem prescribing the structure of certain... | arxiv:gr-qc/0511012 |
we propose a positivity preserving entropy decreasing finite volume scheme for nonlinear nonlocal equations with a gradient flow structure. these properties allow for accurate computations of stationary states and long - time asymptotics demonstrated by suitably chosen test cases in which these features of the scheme a... | arxiv:1402.4252 |
warfare dramatically improved with use of railways and telegraphs. industrialization provided a base of factories that could be converted to produce munitions, as well as uniforms, tents, wagons and essential supplies. medical facilities were enlarged and reorganized based on improved hospitals and the creation of mode... | https://en.wikipedia.org/wiki/Military_technology |
we show that a dilute ensemble of epoxy - bonded adatoms on graphene has a tendency to form a spatially correlated state accompanied by a gap in graphene ' s electron spectrum. this effect emerges from the electron - mediated interaction between adatoms with a peculiar $ 1 / r ^ 3 $ distance dependence. the partial ord... | arxiv:0909.2988 |
in this paper, we show that the $ c ^ 1 $ - differentiability of the norm of a two - dimensional normed space depends only on distances between points of the unit sphere in two different ways. as a consequence, we see that any isometry between the spheres of normed planes $ \ tau : s _ x \ to s _ y $ is linear, provide... | arxiv:2102.11226 |
let $ f $ be the infinitesimal generator of a one - parameter semigroup $ \ left \ { f _ { t } \ right \ } _ { t \ ge0 } $ of holomorphic self - mappings of the open unit disk $ \ delta $. in this paper we study properties of the family $ r $ of resolvents $ ( i + rf ) ^ { - 1 } : \ delta \ to \ delta ~ ( r \ ge0 ) $ i... | arxiv:1901.02142 |
the orbits of the group b of upper - triangular matrices acting on 2 - nilpotent complex matrices via conjugation are classified via oriented link patterns, generalizing a. melnikov ' s classification of the b - orbits on upper - triangular such matrices. the orbit closures as well as the " building blocks " of minimal... | arxiv:1004.1996 |
on the basis of a suggestive definition of a classical extension of quantum mechanics in terms of statistical models, we prove that every such classical extension is essentially given by the so - called misra - bugajski reduction map. we consider how this map enables one to understand quantum mechanics as a reduced cla... | arxiv:0708.1539 |
it has been shown that it is theoretically possible for there to exist higher - order quantum processes in which the operations performed by separate parties cannot be ascribed a definite causal order. some of these processes are believed to have a physical realization in standard quantum mechanics via coherent control... | arxiv:1801.07594 |
in this article, we study boundary null controllability properties of the linearized compressible navier - stokes equations in the interval $ ( 0, 2 \ pi ) $ for both barotropic and non - barotropic fluids using only one boundary control. we consider all the possible cases of the act of control for both systems ( densi... | arxiv:2301.04080 |
in many practical applications of clustering, the objects to be clustered evolve over time, and a clustering result is desired at each time step. in such applications, evolutionary clustering typically outperforms traditional static clustering by producing clustering results that reflect long - term trends while being ... | arxiv:1104.1990 |
probabilistic quantum cloning and identifying machines can be constructed via unitary - reduction processes [ duan and guo, phys. rev. lett. 80, 4999 ( 1998 ) ]. given the cloning ( identifying ) probabilities, we derive an explicit representation of the unitary evolution and corresponding hamiltonian to realize probab... | arxiv:quant-ph/9907097 |
the emphasis in the developmet of theories with more than three spatial dimensions has recently shifted towards ` ` brane world ' ' picture, which assumes that ordinary matter ( with possible exceptions of gravitons and other, hypothetic, particles which interact very weakly with matter ) is trapped to a three - dimens... | arxiv:hep-ph/0104152 |
we prove that a composition operator is bounded on the hardy space $ h ^ 2 $ of the right half - plane if and only if the inducing map fixes the point at infinity non - tangentially, and has a finite angular derivative $ \ lambda $ there. in this case the norm, essential norm, and spectral radius of the operator are al... | arxiv:0907.0350 |
we consider systems under uncertainty whose dynamics are partially unknown. our aim is to study satisfaction of temporal logic properties by trajectories of such systems. we express these properties as signal temporal logic formulas and check if the probability of satisfying the property is at least a given threshold. ... | arxiv:2005.05040 |
we have measured the water and hydrogen outgassing rates of seven vacuum chambers of identical geometry but constructed of different materials and heat treatments. chambers of five different materials were tested : 304l, 316l, and 316ln stainless steels ; titanium ( astm grade 2 ) ; and 6061 aluminum. in addition, cham... | arxiv:2009.10560 |
we introduce a stochastic model of binary opinion dynamics in which the opinions are determined by the size of the neighbouring domains. the exit probability here shows a step function behaviour indicating the existence of a separatrix distinguishing two different regions of basin of attraction. this behaviour, in one ... | arxiv:1306.6813 |
generative adversarial network ( gan ) is a useful type of neural networks in various types of applications including generative models and feature extraction. various types of gans are being researched with different insights, resulting in a diverse family of gans with a better performance in each generation. this rev... | arxiv:2009.09579 |
discriminant ideals of noncommutative algebras $ a $, which are module finite over a central sublagebra $ c $, are key invariants that carry important information about $ a $, such as the sum of the squares of the dimensions of its irreducible modules with a given central character. there has been substantial research ... | arxiv:2307.15477 |
recently, digitized - counterdiabatic ( cd ) corrections to the quantum approximate optimization algorithm ( qaoa ) have been proposed, yielding faster convergence within the desired accuracy than standard qaoa. in this manuscript, we apply this approach to a fully - connected spin model with random couplings. we show ... | arxiv:2409.03503 |
an edge - coloring of a complete graph with a set of colors $ c $ is called completely balanced if any vertex is incident to the same number of edges of each color from $ c $. erd \ h { o } s and tuza asked in $ 1993 $ whether for any graph $ f $ on $ \ ell $ edges and any completely balanced coloring of any sufficient... | arxiv:2209.13867 |
marstrand ' s projection theorem from $ 1954 $ states that if $ k \ subset \ mathbb { r } ^ { 3 } $ is an analytic set, then, for $ \ mathcal { h } ^ { 2 } $ almost every $ e \ in s ^ { 2 } $, the orthogonal projection $ \ pi _ { e } ( k ) $ of $ k $ to the line spanned by $ e $ has hausdorff dimension $ \ min \ { \ di... | arxiv:1708.04859 |
holm 15a, the brightest cluster galaxy ( bcg ) of the galaxy cluster abell 85, has an ultra - diffuse central region, 2 mag fainter than the faintest depleted core of any early - type galaxy ( etg ) that has been dynamically modelled in detail. we use orbit - based, axisymmetric schwarzschild models to analyse the stel... | arxiv:1907.10608 |
without recourse to the sophisticated machinery of twisted group algebras, projective character tables and explicit values of 2 - cocycles, we here present a simple algorithm to study the gauge theory data of d - brane probes on a generic orbifold g with discrete torsion turned on. we show in particular that the gauge ... | arxiv:hep-th/0011192 |
computing education widely applies general learning theories and pedagogical practices. however, computing also includes specific disciplinary knowledge and skills, e. g., programming and software development methods, for which there has been a long history of development and application of specific pedagogical practic... | arxiv:2409.12245 |
we show that the sets of periods of multidimensional shifts of finite type ( sfts ) are exactly the sets of integers of the complexity class $ \ ne $. we also show that the functions counting their number are the functions of # e. we also give characterizations of some other notions of periodicity. we finish the paper ... | arxiv:1303.2462 |
we introduce a model for non - standard neutral current interaction ( nsi ) between neutrinos and the matter fields, with an arbitrary coupling to the up and down quarks. the model is based on a new $ u ( 1 ) $ gauge symmetry with a light gauge boson that mixes with the photon. we show that the couplings to the $ u $ a... | arxiv:2211.15686 |
graph neural networks ( gnns ) have gained traction in high - energy physics ( hep ) for their potential to improve accuracy and scalability. however, their resource - intensive nature and complex operations have motivated the development of symmetry - equivariant architectures. in this work, we introduce euclidnet, a ... | arxiv:2304.05293 |
in a series of papers, avraham, filtser, kaplan, katz, and sharir ( socg ' 14 ), kaplan, katz, saban, and sharir ( esa ' 23 ), and katz, saban, and sharir ( esa ' 24 ) studied a class of geometric optimization problems - - including reverse shortest path in unweighted and weighted unit - disk graphs, discrete fr \ ' { ... | arxiv:2504.06434 |
. batching is the process of weighing the oxides according to recipes, and preparing them for mixing and drying. mixing occurs after batching and is performed with various machines, such as dry mixing ribbon mixers ( a type of cement mixer ), resonantacoustic mixers, mueller mixers, and pug mills. wet mixing generally ... | https://en.wikipedia.org/wiki/Ceramic_engineering |
attached to a weight space in an integrable highest weight representation of a simply - laced kac - moody algebra $ \ mathfrak { g } $, there are two natural commutative algebras : the cohomology ring of a quiver variety and the center of a cyclotomic klr algebra. in this note, we describe a natural geometric map betwe... | arxiv:1504.04401 |
neutron matter is an intriguing nuclear system with multiple connections to other areas of physics. considerable progress has been made over the last two decades in exploring the properties of pure neutron fluids. here we begin by reviewing work done to explore the behavior of very low density neutron matter, which for... | arxiv:1501.05675 |
visual localization is a fundamental task for various applications including autonomous driving and robotics. prior methods focus on extracting large amounts of often redundant locally reliable features, resulting in limited efficiency and accuracy, especially in large - scale environments under challenging conditions.... | arxiv:2304.14845 |
let $ \ mathcal { a } $ consists of analytic functions $ f : \ mathbb { d } \ to \ mathbb { c } $ satisfying $ f ( 0 ) = f ' ( 0 ) - 1 = 0 $. let $ \ mathcal { s } ^ * _ { ne } $ be the recently introduced ma - minda type functions family associated with the $ 2 $ - cusped kidney - shaped { \ it nephroid } curve $ \ le... | arxiv:2104.04890 |
recent advancements in observational techniques have led to new tests of the general relativistic predictions for black - hole spacetimes in the strong - field regime. one of the key ingredients for several tests is a metric that allows for deviations from the kerr solution but remains free of pathologies outside its e... | arxiv:2205.12994 |
the analogue of the poisson bracket for the de donder - weyl ( dw ) hamiltonian formulation of field theory is proposed. we start from the hamilton - poincar \ ' { e } - cartan ( hpc ) form of the multidimensional variational calculus and define the bracket on the differential forms over the space - time ( = horizontal... | arxiv:hep-th/9312162 |
the stability of the $ \ beta $ - equilibrated dense nuclear matter is analyzed with respect to the thermodynamic stability conditions. based on the density dependent m3y effective nucleon - nucleon interaction, the effects of the nuclear incompressibility on the proton fraction in neutron stars and the location of the... | arxiv:1406.5302 |
in this paper, we explore the possibilities of realizing weak value amplification ( wva ) using purely atomic degrees of freedom. our scheme identifies the internal electronic states and external motional states of a single trapped $ ^ { 40 } $ ca $ ^ + $ ion as the system degree and pointer degree respectively, and th... | arxiv:1811.06170 |
continuous monitoring of non - invasive skin sympathetic nerve activity ( skna ) holds promise for understanding the sympathetic nervous system ( sns ) dynamics in various physiological and pathological conditions. however, muscle noise artifacts present a challenge in accurate skna analysis, particularly in real - lif... | arxiv:2410.21319 |
we compute the first curvature corrections to the spectrum of light - cone gauge type iia string theory that arise in the expansion of $ ads _ 4 \ times \ mathbb { cp } ^ 3 $ about a plane - wave limit. the resulting spectrum is shown to match precisely, both in magnitude and degeneration that of the corresponding solu... | arxiv:1111.6628 |
body weight, as an essential physiological trait, is of considerable significance in many applications like body management, rehabilitation, and drug dosing for patient - specific treatments. previous works on the body weight estimation task are mainly vision - based, using 2d / 3d, depth, or infrared images, facing pr... | arxiv:2303.10136 |
we apply a type of background independent " polymer " quantization to a free scalar field in a flat spacetime. using semi - classical states, we find an effective wave equation that is both nonlinear and lorentz invariance violating. we solve this equation perturbatively for several cases of physical interest, and show... | arxiv:0906.4046 |
the nuclear medium effects are studied in the $ \ nu _ \ tau / \ bar \ nu _ \ tau $ interactions from nuclei in the deep inelastic scattering ( dis ) region and applied to the $ ^ { 40 } ar $ nucleus to obtain the scattering cross sections in the energy region of the proposed dune experiment. the free nucleon structure... | arxiv:2111.07609 |
we study overdetermined problems for fully nonlinear elliptic equations in subdomains $ \ o $ of the euclidean sphere $ \ mathbb { s } ^ { n } $ and the hyperbolic space $ \ mathbb { h } ^ { n } $. we prove, the existence of a classical solution to the underlined equation forces $ \ o $ to be a geodesic ball in the amb... | arxiv:2010.13945 |
purpose : swift ( sweep imaging with fourier transformation ) is a non - cartesian mri method with unique features and capabilities. in swift, radiofrequency ( rf ) excitation and reception are performed nearly simultaneously, by rapidly switching between transmit and receive during a frequency - swept rf pulse. becaus... | arxiv:1307.2926 |
inductive logic programming ( ilp ) is a form of machine learning. the goal of ilp is to induce a hypothesis ( a set of logical rules ) that generalises training examples. as ilp turns 30, we provide a new introduction to the field. we introduce the necessary logical notation and the main learning settings ; describe t... | arxiv:2008.07912 |
in this article we derive the average and the variance of the cross - correlation of a noise wavefield. the noise cross - correlation function ( ncf ) is widely used to passively estimate the green ' s function between two probes and is proportional to the cross density of states ( cdos ) in photonic and plasmonic syst... | arxiv:1310.5283 |
starting from the general definition of a one - loop tensor n - point function, we use its feynman parametrization to calculate the uv - divergent part of an arbitrary tensor coefficient in the framework of dimensional regularization. in contrast to existing recursion schemes, we are able to present a general analytic ... | arxiv:hep-ph/0609282 |
using accurate dissipative dft - negf atomistic - simulation techniques within the wannier - function formalism, we give a fresh look at the possibility of sub - 10 nm scaling for high - performance cmos applications. we show that a combination of good electrostatic control together with a high mobility is paramount to... | arxiv:2010.06867 |
we give a criterium of holomorphy for some type formal power series. this gives a stronger form of a rothstein ' s type extension theorem for a particular ring of holomorphic functions. | arxiv:math/0009031 |
molecular dynamics simulations of frictional sliding in an atomic force microscope ( afm ) show a clear dependence of superlubricity between incommensurate surfaces on tip compliance and applied normal force. while the kinetic friction vanishes for rigid tips and low normal force, superlubric behavior breaks down for s... | arxiv:0908.4304 |
we theoretically investigate the spin - charge transport in two - terminal device of graphene nanoribbons in the presence of an uniform uniaxial strain, spin - orbit coupling, exchange field and smooth staggered potential. we show that the direction of applied strain can efficiently tune strain - strength induced oscil... | arxiv:1405.2497 |
modeling and forecasting of dynamically varying covariances have received much attention in the literature. the two most widely used conditional covariances and correlations models are bekk and dcc. in this paper, we advance a new method to introduce targeting in both models to estimate matrices associated with financi... | arxiv:2202.02197 |
we consider the fiber cone of monomial ideals. it is shown that for monomial ideals $ i \ subset k [ x, y ] $ of height $ 2 $, generated by $ 3 $ elements, the fiber cone $ f ( i ) $ of $ i $ is a hypersurface ring, and that $ f ( i ) $ has positive depth for interesting classes of height $ 2 $ monomial ideals $ i \ su... | arxiv:1904.04988 |
we first prove some basic properties of okounkov bodies, and give a characterization of nakayama and positive volume subvarieties of a pseudoeffective divisor in terms of okounkov bodies. next, we show that each valuative and limiting okounkov bodies of a pseudoeffective divisor which admits the birational good zariski... | arxiv:1608.00221 |
a charged tether or wire experiences coulomb drag when inserted into flowing plasma. in the solar wind the coulomb drag can be utilised as efficient propellantless interplanetary propulsion as the electric solar wind sail ( electric sail, e - sail ). in low earth orbit ( leo ) the same plasma physical effect can be uti... | arxiv:1404.7430 |
we describe the integral cohomology of the generalized kummer fourfold giving an explicit basis, using hilbert scheme cohomology and tools developed by hassett and tschinkel. then we apply our results to a ihs variety with singularities, obtained by a partial resolution of the generalized kummer quotiented by a symplec... | arxiv:1607.03431 |
contact structures, as well as their holomorphic and quaternionic counterparts are the primary examples of strongly bracket generating ( or fat ) distributions. in this article we associate a numerical invariant to corank $ 2 $ fat distribution on manifolds, referred to as \ emph { degree } of the distribution. the rea... | arxiv:2007.02058 |
we prove that finitely generated higher dimensional kleinian groups with small critical exponent are always convex - cocompact. along the way, we also prove some geometric properties for any complete pinched negatively curved manifold with critical exponent less than 1. | arxiv:2008.12365 |
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