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in this short note, we answer two questions of chen and ruzsa negatively and answer a problem of ma and chen affirmatively. | arxiv:2208.05774 |
within quantum mechanics model we study the problem of resummation of an asymptotic perturbation series for bound state parameters via optimization of the perturbative expansion. a possible application of the method to the positronium lifetime calculation is also briefly considered. | arxiv:hep-ph/9506370 |
the production of a kaon pair ( $ k ^ + k ^ - $ and $ k ^ 0 _ s k ^ 0 _ s $ ) in two - photon processes has been measured using the belle detector at the electron - positron collider kekb. we have obtained the invariant - mass distribution of the processes between 1. 3 and 2. 3 gev. a broad bump structure around 1. 7 g... | arxiv:hep-ex/0104024 |
the growth of supermassive black holes ( smbhs ) appears to be closely linked with the formation of spheroids. there is a pressing need to acquire better statistics on smbh masses, since the existing samples are preferentially weighted toward early - type galaxies with very massive smbhs. with this motivation we starte... | arxiv:0709.0866 |
the present article concludes that a ferromagnetic sample could be considered like a paramagnetic system where the role of magnetic moments plays magnetic domains. based on this conclusion and taking into account presence of an anisotropic field the formula which describes magnetization dependence on the external magne... | arxiv:1506.01805 |
the data center of tomorrow is a data center made up of heterogeneous systems, which will run heterogeneous workloads. the systems will be located as close as possible to the data. heterogeneous systems will be equipped with binary, biological inspired and quantum accelerators. these architectures will be the foundatio... | arxiv:2003.10950 |
things mathematical ", although it is plausible that english borrowed only the adjective mathematic ( al ) and formed the noun mathematics anew, after the pattern of physics and metaphysics, inherited from greek. in english, the noun mathematics takes a singular verb. it is often shortened to maths or, in north america... | https://en.wikipedia.org/wiki/Mathematics |
we show that a wreath product of two finitely generated abelian groups is lerf. consequently the free metabelian groups are lerf. | arxiv:math/0609611 |
graphical calculi are vital tools for representing and reasoning about quantum circuits and processes. some are not only graphically intuitive but also logically complete. the best known of these is the zx - calculus, which is an industry candidate for an intermediate representation ; a language that sits between the a... | arxiv:2003.09999 |
we propose utilizing n - best reranking to enhance sequence - level knowledge distillation ( kim and rush, 2016 ) where we extract pseudo - labels for student model ' s training data from top n - best hypotheses and leverage a diverse set of models with different inductive biases, objective functions or architectures, ... | arxiv:2305.12057 |
state - of - the - art first principles calculations based on density functional theory were performed on ch _ 3 ( ch _ 2 ) _ { n - 1 } s - au ( 111 ) systems. we show that the adsorption site of methylthiolate at low coverage on the au ( 111 ) surface is the fcc site, not the hcp site as has been recently reported. fu... | arxiv:cond-mat/0008323 |
given a ( multi ) graph $ g $ which contains a bipartite subgraph with $ \ rho $ edges, what is the largest triangle - free subgraph of $ g $ that can be found efficiently? we present an sdp - based algorithm that finds one with at least $ 0. 8823 \ rho $ edges, thus improving on the subgraph with $ 0. 878 \ rho $ edge... | arxiv:2406.20069 |
we propose kernel - type smoothed kolmogorov - smirnov and cram \ ' { e } r - von mises tests for data on general interval, using bijective transformations. though not as severe as in the kernel density estimation, utilizing naive kernel method directly to those particular tests will result in boundary problem as well.... | arxiv:2005.13794 |
the isostaticity theory for stress transmission in macroscopic planar particulate assemblies is extended here to non - rigid particles. it is shown that, provided that the mean coordination number in $ d $ dimensions is $ d + 1 $, macroscopic systems can be mapped onto equivalent assemblies of perectly rigid particles ... | arxiv:cond-mat/0501700 |
in this manuscript, we consider the problems of channel assignment in wireless networks and data migration in heterogeneous storage systems. we show that a soft edge coloring approach to both problems gives rigorous approximation guarantees. in the channel assignment problem arising in wireless networks a pair of edges... | arxiv:1010.4018 |
we approach the strong - coupling thermodynamic limit in the response of the open driven jaynes - cummings ( jc ) oscillator. we do so by highlighting the role of quantum fluctuations against the semiclassical response in three distinct regimes of operation. we begin by demonstrating the persistence of photon blockade,... | arxiv:1908.03754 |
we study the large deviation function for the empirical measure of diffusing particles at one fixed position. we find that the large deviation function exhibits anomalous system size dependence in systems that satisfy the following conditions : ( i ) there exists no macroscopic flow, and ( ii ) their space dimension is... | arxiv:1303.0391 |
scattering has usually be considered as detrimental for optical focusing or imaging. recently, more and more research has shown that strongly scattering materials can be utilized to focus coherent light by controlling or shaping the incident light. here, purposeful focusing of second - harmonic waves, which are generat... | arxiv:1612.00566 |
we consider the dynamical properties of transcendental entire functions and their compositions. we give several conditions under which fatou set of a transcendental entire function $ f $ coincide with that of $ f \ circ g, $ where $ g $ is another transcendental entire function. we also prove some result giving relatio... | arxiv:1307.5785 |
an integrable asymmetric exclusion process with impurities is formulated. the model displays the full spectrum of the stochastic asymmetric xxz chain plus new levels. we derive the bethe equations and calculate the spectral gap for the totally asymmetric diffusion at half filling. while the standard asymmetric exclusio... | arxiv:1005.3780 |
the near uv spectra of ob stars in our galaxy are often dominated by a very broad extinction band peaking at ~ 2175 angstroms. forty years after its discovery, the origin of this band remains unknown, although interstellar dust particles are generally assumed to be the carriers. here we report that two - photon absorpt... | arxiv:astro-ph/0608092 |
we propose a simple modification to existing neural machine translation ( nmt ) models that enables using a single universal model to translate between multiple languages while allowing for language specific parameterization, and that can also be used for domain adaptation. our approach requires no changes to the model... | arxiv:1808.08493 |
equilibration times for nuclear matter configurations - - modelling intermediate and high energy nucleus - nucleus collisions - - are evaluated within the semiclassical off - shell transport approach developed recently. the transport equations are solved for a finite box in coordinate space employing periodic boundary ... | arxiv:nucl-th/0003002 |
we identify the nonlinear normal modes spawning from the stable equilibrium of a double pendulum under gravity, and we establish their connection to homoclinic orbits through the unstable upright position as energy increases. this result is exploited to devise an efficient swing - up strategy for a double pendulum with... | arxiv:2404.08478 |
in unimodular - like theories, the constants of nature are demoted from pre - given parameters to phase space variables. their canonical duals provide physical time variables. we investigate how this interacts with an alternative approach to varying constants, where they are replaced by dynamical scalar fields. specifi... | arxiv:2312.06602 |
we report experiments on hard sphere colloidal glasses that reveal a type of shear banding hitherto unobserved in soft glasses. we present a scenario that relates this to an instability arising from shear - concentration coupling, a mechanism previously thought unimportant in this class of materials. below a characteri... | arxiv:1009.1579 |
we study nonlinear dynamics in a system of two coupled oscillators, describing the motion of two interacting microbubble contrast agents. in the case of identical bubbles, the corresponding symmetry of the governing system of equations leads to the possibility of existence of asymptotically stable synchronous oscillati... | arxiv:2005.02281 |
magnetic cataclysmic variables are close binary systems containing a strongly magnetized white dwarf that accretes matter coming from an m - dwarf companion. high - energy radiation coming from those objects is emitted from the accretion column close to the white dwarf photosphere at the impact region. its properties d... | arxiv:1506.05892 |
it was recently discovered that molecular ionization at high x - ray intensity is enhanced, in comparison with that of isolated atoms, through a phenomenon called crexim ( charge - rearrangement - enhanced x - ray ionization of molecules ). x - ray absorption selectively ionizes heavy atoms within molecules, triggering... | arxiv:1906.02544 |
we propose a novel family of entanglement measures for time - separated subsystems. our definitions are applicable to any quantum system, continuous or discrete. to illustrate their utility, we derive upper and lower bounds on time - separated correlation functions, akin to the bound on spatially separated correlators ... | arxiv:2502.12240 |
causal networks are often incomplete with missing causal links. this is due to various issues, such as missing observation data. recent approaches to the issue of incomplete causal networks have used knowledge graph link prediction methods to find the missing links. in the causal link a causes b causes c, the influence... | arxiv:2410.14679 |
the large structures in the outer layer of turbulent wall flows are of great physical importance, because they contain a substantial fraction of the streamwise kinetic energy and of the reynolds stresses. nevertheless, the organization of the outer region of wall turbulence has historically received less attention than... | arxiv:1309.2663 |
in this paper, we propose a novel high dimensional constellation design scheme for visible light communication ( vlc ) systems employing red / green / blue light emitting diodes ( rgb leds ). it is in fact a generalized color shift keying ( csk ) scheme which does not suffer efficiency loss due to a constrained sum int... | arxiv:1410.5932 |
the abelian decomposition of qcd reveals two types of gluons : color - neutral ` ` neurons " and color - carrying ` ` chromons ". this classification does not alter the overall properties of qcd, but the investigation of different types of gluon dynamics is necessary. by employing the cho - duan - ge decomposition theo... | arxiv:2401.11442 |
transparent objects are common in daily life, and understanding their multi - layer depth information - - perceiving both the transparent surface and the objects behind it - - is crucial for real - world applications that interact with transparent materials. in this paper, we introduce layereddepth, the first dataset w... | arxiv:2503.11633 |
geometric models and teichm \ " uller structures have been introduced for the space of smooth expanding circle endomorphisms and for the space of uniformly symmetric circle endomorphisms. the latter one is the completion of the previous one under the techm \ " uller metric. moreover, the spaces of geometric models as w... | arxiv:math/0612578 |
we propose a simple approach for studying systems of compressed matter based on the thomas - fermi statistical model of single atom. the central point of our work is the development of the concept of ` ` statistical ionization ' ' by compression ; in simple terms, we calculate the fraction of electrons within the atom ... | arxiv:cond-mat/0412417 |
we analyse the 3 - extremal holomorphic maps from the unit disc $ \ mathbb { d } $ to the symmetrised bidisc $ \ mathcal { g } $, defined to be the set $ \ { ( z + w, zw ) : z, w \ in \ mathbb { d } \ } $, with a view to the complex geometry and function theory of $ \ mathcal { g } $. these are the maps whose restricti... | arxiv:1307.7081 |
many applications involve the phenomenon of a material absorbing electromagnetic radiation. by exploiting wave interference, the efficiency of absorption can be significantly enhanced. here, we propose friedrich - wintgen bound states in the continuum ( f - w bics ) based on borophene metamaterials to realize coherent ... | arxiv:2312.11999 |
we explore the distribution of rms = sfr / sfr _ ms ( where sfr _ ms is the star formation rate of " main sequence " star - forming galaxies ) for agn hosts at z = 1. we split our sample into two bins of x - ray luminosity divided at lx = 2x10 ^ 43erg s - 1 to investigate whether the rms distribution changes as a funct... | arxiv:1811.05980 |
programming for a diverse set of compute accelerators in addition to the cpu is a challenge. maintaining separate source code for each architecture would require lots of effort, and development of new algorithms would be daunting if it had to be repeated many times. fortunately there are several portability technologie... | arxiv:2104.06573 |
in this paper, we prove that the symmetric group $ \ mathrm { s } _ n $ has $ 2 ^ { n ^ 2 / 16 + o ( n ^ 2 ) } $ subgroups, settling a conjecture of pyber from 1993. we also derive asymptotically sharp upper and lower bounds on the number of subgroups of $ \ mathrm { s } _ n $ of various kinds, including the number of ... | arxiv:2503.05416 |
hash tables are one of the most fundamental data structures in computer science, in both theory and practice. they are especially useful in external memory, where their query performance approaches the ideal cost of just one disk access. knuth gave an elegant analysis showing that with some simple collision resolution ... | arxiv:0811.3062 |
the integrable time - dependent central potentials that admit linear and quadratic first integrals other than those constructed from the angular momentum are determined. it is shown explicitly that previous answers to this problem are incomplete. the results are applied in order to find the integrable time - dependent ... | arxiv:2111.08624 |
recently, table - top experiments involving massive quantum systems have been proposed to test the interface of quantum theory and gravity. in particular, the crucial point of the debate is whether it is possible to conclude anything on the quantum nature of the gravitational field, provided that two quantum systems be... | arxiv:2012.01441 |
in this paper we develop a mathematical model combined with machine learning techniques to predict shade - seeking behavior in cows exposed to heat stress. the approach integrates advanced mathematical features, such as time - averaged thermal indices and accumulated heat stress metrics, obtained by mathematical analys... | arxiv:2501.05494 |
, animal entrails, dreams, malformed births, or even the color of a dog urinating on a person ) and celestial phenomena. moreover, babylonian astrology was inseparable from babylonian astronomy. = = = = mathematics = = = = the mesopotamian cuneiform tablet plimpton 322, dating to the 18th century bce, records a number ... | https://en.wikipedia.org/wiki/History_of_science |
recent observations of type ia supernovae ( sne ia ) suggest that some of the progenitor white dwarfs ( wds ) had masses up to 2. 4 - 2. 8 m _ sun, highly exceeding the chandrasekhar mass limit. we present a new single degenerate ( sd ) model for sn ia progenitors, in which the wd mass possibly reaches 2. 3 - 2. 7 m _ ... | arxiv:1106.3510 |
we examine a broad range of mass flow diagnostics in a large sample of herbig ae / be stars ( haebes ) using high resolution optical spectra. the h - beta and he i 5876 angstrom lines show the highest incidence of p - cygni ( 30 % ) and inverse p - cygni ( 14 % ) morphologies, respectively. the fe ii 4924 angstrom line... | arxiv:1506.07546 |
as a burgeoning technique, out - of - focus electron ptychography offers the potential for rapidly imaging atomic - scale large fields of view ( fov ) using a single diffraction dataset. however, achieving robust out - of - focus ptychographic reconstruction poses a significant challenge due to the inherent scan instab... | arxiv:2406.15879 |
denote by $ { \ bf \ dot b } ^ { \ alpha, \ phi } ( \ omega ) $ the orlicz - besov space, where $ \ alpha \ in \ mathbb { r } $, $ \ phi $ is a young function and $ \ omega \ subset \ mathbb { r } ^ n $ is a domain. for $ \ alpha \ in ( - n, 0 ) $ and optimal $ \ phi $, in this paper we characterize domains supporting ... | arxiv:1810.03796 |
we have estimated the size of the light - shifts due to parity nonconservation ( pnc ) interactions in different isotopes of ba + and ra + ions based on the work of fortson [ phys. rev. lett. 70, 2383 ( 1993 ) ]. we have used the nuclear spin independent ( nsi ) amplitudes calculated earlier by us [ phys. rev. lett. 96... | arxiv:1011.0873 |
we study the spectrum of gravitational perturbations around a vacuum de sitter brane in a 5d asymmetric braneworld model, with induced curvature on the brane. this generalises the stealth acceleration model proposed by charmousis, gregory and padilla ( cgp ) which realises the cardassian cosmology in which power law co... | arxiv:0901.0713 |
the aim of this research is to apply a novel technique based on the embedding method to solve the n * n fuzzy system of linear equations ( fsles ). by using this method, the strong fuzzy number solutions of fsles can be obtained by transforming the n * n fsle to the crisp system. in this paper, ezzati ' s method to sol... | arxiv:1809.07271 |
we prove a dynamical version of the mordell - lang conjecture for subvarieties of the affine space a ^ g over a p - adic field, endowed with polynomial actions on each coordinate of a ^ g. we use analytic methods similar to the ones employed by skolem, chabauty, and coleman for studying diophantine equations. | arxiv:0705.4047 |
active metamaterials are a type of metamaterial with tunable properties enabled by structural reconfigurations. existing active metamaterials often achieve only a limited number of structural reconfigurations upon the application of an external load across the entire structure. here, we propose a selective actuation st... | arxiv:2409.07635 |
we analyze three - dimensional hydrodynamical simulations of the interaction of jets and the bubbles they inflate with the intra - cluster medium ( icm ), and show that the heating of the icm by mixing hot bubble gas with the icm operates over tens of millions of years, and hence can smooth the sporadic activity of the... | arxiv:1704.07797 |
monte carlo simulations applied to the spin - fermion model for cuprates show the existence of antiferromagnetic spin domains and charge stripes upon doping. the stripes are partially filled, with a filling of approximately 1 / 2 hole per site, and they separate spin domains with a $ \ pi $ phase shift among them. the ... | arxiv:cond-mat/9908389 |
we generalize the discussion of hep - th / 0509170 to charged black holes. for the two dimensional charged black hole, which is described by an exactly solvable worldsheet theory, a transition from the black hole to the string phase occurs when the hawking temperature of the black hole reaches a limiting value, the tem... | arxiv:hep-th/0510211 |
automatic segmentation of anatomical landmarks in endoscopic images can provide assistance to doctors and surgeons for diagnosis, treatments or medical training. however, obtaining the annotations required to train commonly used supervised learning methods is a tedious and difficult task, in particular for real images.... | arxiv:2505.02654 |
the purpose of this note is to establish, in terms of the primary coefficients in the framework of the tridiagonal theory developed by delsarte and genin in the environment of nonnegative definite toeplitz matrices, necessary and sufficient conditions for the monotonicity with respect to a real parameter of zeros of pa... | arxiv:1706.05709 |
if a graph can be drawn on the torus so that every two independent edges cross an even number of times, then the graph can be embedded on the torus. | arxiv:2009.01683 |
the inverse wave scattering problem seeks to estimate a heterogeneous, inaccessible medium, modeled by unknown variable coefficients in wave equations, from transient recordings of waves generated by probing signals. it is a widely studied inverse problem with important applications, that is typically formulated as a n... | arxiv:2403.03844 |
experimental results for identified hadron spectra in aa collisions at rhic are reviewed. jet suppression in central auau collisions at 200 gev is seen in leading meson and baryon spectra at high p _ t. enhanced baryon production at intermediate p _ t ( 2 < p _ t < 5 gev / c ) is related to quark content but not its ma... | arxiv:nucl-ex/0505013 |
suppose $ \ mathcal { f } $ is a finite family of graphs. we consider the following meta - problem, called $ \ mathcal { f } $ - immersion deletion : given a graph $ g $ and integer $ k $, decide whether the deletion of at most $ k $ edges of $ g $ can result in a graph that does not contain any graph from $ \ mathcal ... | arxiv:1609.07780 |
systems of interacting fermions can give rise to ground states whose correlations become effectively free - fermion - like in the thermodynamic limit, as shown by baxter for a class of integrable models that include the one - dimensional xyz spin - $ \ frac { 1 } { 2 } $ chain. here, we quantitatively analyse this beha... | arxiv:2107.06906 |
convolutional neural networks ( cnns ) have achieved remarkable segmentation accuracy on benchmark datasets where training and test sets are from the same domain, yet their performance can degrade significantly on unseen domains, which hinders the deployment of cnns in many clinical scenarios. most existing works impro... | arxiv:2206.01737 |
the transition to a renewable energy system poses challenges for power grid operation and stability. secondary control is key in restoring the power system to its reference following a disturbance. underestimating the necessary control capacity may require emergency measures, such as load shedding. hence, a solid under... | arxiv:2109.04802 |
this paper extends our previous works arxiv : 1802. 07306 [ math. nt ], arxiv : 1808. 02382 [ math. nt ] on determining the spectrum, in the berkovich sense, of ultrametric linear differential equations. our previous works focused on equations with constant coefficients or over a field of formal power series. in this p... | arxiv:2111.03548 |
a perturbing shell is introduced as a device for studying the excitation of fluid motions in relativistic stellar models. we show that this approach allows a reasonably clean separation of radiation from the shell and from fluid motions in the star, and provides broad flexibility in the location and timescale of pertur... | arxiv:gr-qc/0002077 |
one interesting method of constraining the dense matter equations of state is to measure the advancement of the periastron of the orbit of a binary radio pulsar ( when it belongs to a double neutron star system ). there is a great deal of interest on applicability of this procedure to the double pulsar system psr j0737... | arxiv:astro-ph/0610448 |
we study the collective density modes which can affect neutron - star thermodynamics in the baryonic density range between nuclear saturation ( $ \ rho _ 0 $ ) and $ 3 \ rho _ 0 $. in this region, the expected constituents of neutron - star matter are mainly neutrons, protons and electrons ( $ npe $ matter ), under the... | arxiv:0811.0604 |
this paper is devoted to the study of symplectic manifolds and their connection with hamiltonian dynamical systems. we review some properties and operations on these manifolds and see how they intervene when studying the complete integrability of these systems, with detailed proofs. several explicit calculations for wh... | arxiv:1904.01236 |
notions of minimal sufficient causation are incorporated within the directed acyclic graph causal framework. doing so allows for the graphical representation of sufficient causes and minimal sufficient causes on causal directed acyclic graphs while maintaining all of the properties of causal directed acyclic graphs. th... | arxiv:0906.1720 |
the general goal of this paper is to gather and review several methods from homotopy and combinatorial topology and formal concepts analysis ( fca ) and analyze their connections. fca appears naturally in the problem of combinatorial simplification of simplicial complexes and allows to see a certain duality on a class ... | arxiv:1911.05491 |
we study the approximability of max ones when the number of variable occurrences is bounded by a constant. for conservative constraint languages ( i. e., when the unary relations are included ) we give a complete classification when the number of occurrences is three or more and a partial classification when the bound ... | arxiv:cs/0606057 |
many systems in biology, physics and engineering can be described by systems of ordinary differential equation containing many parameters. when studying the dynamic behavior of these large, nonlinear systems, it is useful to identify and characterize the steady - state solutions as the model parameters vary, a technica... | arxiv:1604.02623 |
in the framework of the littlest higgs model with t - parity ( lht ), we study the contributions of the t - even and t - odd particles to the branching ratio r _ b. we find that the precision data of r _ b can give strong constraints on the masses of t - odd fermions. | arxiv:0908.2572 |
despite the many recent practical and theoretical breakthroughs in computational game theory, equilibrium finding in extensive - form team games remains a significant challenge. while np - hard in the worst case, there are provably efficient algorithms for certain families of team game. in particular, if the game has c... | arxiv:2109.05284 |
we consider fundamental physical constants which are among a few of the most important pieces of information we have learned about nature after its intensive centuries - long studies. we discuss their multifunctional role in modern physics including problems related to the art of measurement, natural and practical unit... | arxiv:physics/0506173 |
we introduce open - loop quantum control protocols for characterizing the spectral properties of non - gaussian noise, applicable to both classical and quantum dephasing environments. the basic idea is to engineer a multi - dimensional frequency comb via repetition of suitably designed pulse sequences, through which th... | arxiv:1512.01575 |
on the basis of the model that was successfully applied to kc8, rbc8, and csc8 in 1982, we have calculated the superconducting transition temperature tc for cac6 and ybc6 to find that the same model reproduces the observed tc in those compounds as well, indicating that it is a standard model for superconductivity in th... | arxiv:1601.02753 |
the emergence of the concept of a causal fermion system is revisited and further investigated for the vacuum dirac equation in minkowski space. after a brief recap of the dirac equation and its solution space, in order to allow for the effects of a possibly nonstandard structure of spacetime at the planck scale, a regu... | arxiv:1909.09229 |
aims : we aim to derive the absolute parameters of the components of ad and, al cam, and v338 her, interpret their orbital period changes and discuss their evolutionary status. methods : new and complete multi - filter light curves of the eclipsing binaries ad and, al cam, and v338 her were obtained and analysed with m... | arxiv:1404.2799 |
we give a non - perturbative definition of u ( n ) gauge theory on fuzzy cp ^ 2 as a multi - matrix model. the degrees of freedom are 8 hermitian matrices of finite size, 4 of which are tangential gauge fields and 4 are auxiliary variables. the model depends on a noncommutativity parameter 1 / n, and reduces to the usu... | arxiv:hep-th/0407089 |
dynamical models described by ordinary differential equations ( odes ) are a fundamental tool in the sciences and engineering. exact reduction aims at producing a lower - dimensional model in which each macro - variable can be directly related to the original variables, and it is thus a natural step towards the model '... | arxiv:2301.11653 |
we study the thermodynamics of the vibrational modes of a lattice pinned by impurity disorder in the absence of topological defects ( bragg glass phase ). using a replica variational method we compute the specific heat $ c _ v $ in the quantum regime and find $ c _ v \ propto t ^ 3 $ at low temperatures in dimension th... | arxiv:cond-mat/0212300 |
recent high - profile attacks on the internet of things ( iot ) have brought to the forefront the vulnerability of " smart " devices, and have resulted in numerous iot - focused security analyses. many of the attacks had weak device configuration as the root cause. one potential source of rich and definitive informatio... | arxiv:2105.03135 |
dujmovi \ ' c, joret, micek, morin, ueckerdt and wood [ j. acm 2020 ] proved that for every planar graph $ g $ there is a graph $ h $ with treewidth at most 8 and a path $ p $ such that $ g \ subseteq h \ boxtimes p $. we improve this result by replacing " treewidth at most 8 " by " simple treewidth at most 6 ". | arxiv:2108.00198 |
we define the hitting ( or absorbing ) time for the case of continuous quantum walks by measuring the walk at random times, according to a poisson process with measurement rate $ \ lambda $. from this definition we derive an explicit formula for the hitting time, and explore its dependence on the measurement rate. as t... | arxiv:0803.3446 |
= helpdesk and incident reporting auditing change management auditing disaster recovery and business continuity auditing isae 3402 = = = miscellaneous = = = xbrl assurance = = = irregularities and illegal acts = = = aicpa standard : sas 99 consideration of fraud in a financial statement audit computer fraud case studie... | https://en.wikipedia.org/wiki/Information_technology_audit |
the supernova ( sn ) delay - time distribution ( dtd ) - the sn rate versus time that would follow a brief burst of star formation - can shed light on sn progenitors, and on chemical enrichment timescales. previous attempts to recover the dtd have used comparisons of mean sn rates vs. redshift to cosmic star - formatio... | arxiv:1002.3056 |
we re - examine a series of archived centimetre radio - continuum observations ( lambda = 16, 6 and 3 cm ) focusing on ngc7793 using the australia telescope compact array. these new images are both very sensitive ( rms = 0. 011 mjy / beam ) and feature reasonably high angular resolution ( down to < 3 " ). using these i... | arxiv:1407.2653 |
sending money in cryptocurrencies is majorly based on public keys or their hashed forms - - " addresses. " these long random - looking strings are user unfriendly for transferring by other means than via copy - and - paste or qr codes. replacing such strings with identifiers chosen by users themselves would significant... | arxiv:1612.04982 |
due of its polymorphism, mn $ _ 2 $ fesbo $ _ 6 $ can be synthesized at high pressures and temperatures as a ferrimagnetic ilmenite or an antiferromagnetic perovskite. the structural phase transformation is discussed in detail, and magnetic structures are proposed for both phases. the high - pressure mn $ _ 2 $ fesbo $... | arxiv:1210.4368 |
a point mass at the center of an ellipsoidal homogeneous fluid is used as a simple model to study the effect of rotation on the shape and external gravitational field of planets and stars. maclaurin ' s analytical result for a homogenous body is generalized to this model. the absence of a third order term in the taylor... | arxiv:astro-ph/0403328 |
we present an innovative method to resum infrared and collinear logarithms appearing in distributions of jet observables in qcd. the method, based on a general master formula with applicability conditions, allows resummations at next - to - leading logarithmic accuracy in an automated way. as a sample application we pr... | arxiv:hep-ph/0305163 |
remote sensing ( rs ) applications in the space domain demand machine learning ( ml ) models that are reliable, robust, and quality - assured, making red teaming a vital approach for identifying and exposing potential flaws and biases. since both fields advance independently, there is a notable gap in integrating red t... | arxiv:2403.08017 |
the multimodal datasets can be leveraged to pre - train large - scale vision - language models by providing cross - modal semantics. current endeavors for determining the usage of datasets mainly focus on single - modal dataset ownership verification through intrusive methods and non - intrusive techniques, while cross... | arxiv:2504.11509 |
we compute the gluon and ghost propagators of yang - mills theory in linear covariant gauges from the coupled system of dyson - schwinger equations. for small values of the gauge fixing parameter $ \ xi \ sim 0. 1 $, the deviations to the landau gauge already become clearly visible. for the ghost dressing function, thi... | arxiv:1502.04057 |
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