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hidden symmetries, described by higher order in momenta integrals of motion that generate nonlinear algebras, are explored at the level of classical and quantum mechanics in a variety of physical systems related to conformal and superconformal invariance. | arxiv:2012.08963 |
these notes introduce the fundamentals of black hole geometry, the thermality of the vacuum, and the hawking effect, in spacetime and its analogues. stimulated emission of hawking radiation, the trans - planckian question, short wavelength dispersion, and white hole radiation in the setting of analogue models are also ... | arxiv:1212.6821 |
we present synthesis models of the x - ray background where the available x - ray observational constraints are used to derive information on the agn population properties. we show the need for luminous x - ray absorbed agns, the qso2s, in reproducing the 2 - 10 kev source counts at relatively bright fluxes. we compare... | arxiv:astro-ph/0011341 |
spin foam models for quantum gravity are derived from lattice path integrals. the setting involves variables from both lattice bf theory and regge calculus. the action consists in a regge action, which depends on areas, dihedral angles and includes the immirzi parameter. in addition, a measure is inserted to ensure a c... | arxiv:0905.1501 |
in this short note we use the umbral formalism to derive the ramanujan master theorem and discuss its extension to more general cases. | arxiv:1103.3947 |
we show that the rate of pollution of white dwarfs by asteroidal material implies a concomitant rate of material ejection that can contribute significantly to the population of interstellar minor bodies. we note also that the irradiation during post main sequence evolution implies that much of this ejected material may... | arxiv:1712.07247 |
deformation quantization of bosonic strings is considered. we show that the light - cone gauge is the most convenient classical description to perform the quantization of bosonic strings in the deformation quantization formalism. similar to the field theory case, the oscillator variables greatly facilitates the analysi... | arxiv:hep-th/0002212 |
we integrate numerically the kardar - parisi - zhang ( kpz ) equation in 1 + 1 and 2 + 1 dimensions using an euler discretization scheme and the replacement of $ { ( \ nabla h ) } ^ 2 $ by exponentially decreasing functions of that quantity to suppress instabilities. when applied to the equation in 1 + 1 dimensions, th... | arxiv:0806.0588 |
this paper is concerned with the generation of gaussian invariant states in cascades of open quantum harmonic oscillators governed by linear quantum stochastic differential equations. we carry out infinitesimal perturbation analysis of the covariance matrix for the invariant gaussian state of such a system and the rela... | arxiv:1706.04358 |
recent qcd related results from the cdf and the d0 experiments are presented based on proton anti - proton collision data at sqrt ( s ) = 1. 96 tev, taken in run ii of the fermilab tevatron collider. measured observables include inclusive photon and diphoton production, vector boson plus jets production, event shape va... | arxiv:1202.0205 |
the audible universe project aims at making dialogue between two scientific domains investigating two distinct research objects, briefly said, stars and sound. it has been instantiated within a collaborative workshop that started to mutually acculturate both communities, by sharing and transmitting respective knowledge... | arxiv:2211.12725 |
isothermal fluid turbulence simulations have been performed in the edge and scrape - off - layer ( sol ) of an analytic stellarator configuration with an island divertor, thereby providing numerical insight into edge turbulence in regions around islands in a stellarator. the steady - state transport follows the 1 / r c... | arxiv:2403.18220 |
fega $ _ 3 $ is an unusual intermetallic semiconductor that presents intriguing magnetic responses to the tuning of its electronic properties. when doped with ge, the system evolves from diamagnetic to paramagnetic to ferromagnetic ground states that are not well understood. in this work, we have performed a joint theo... | arxiv:1506.07159 |
consider the focusing energy - critical wave equation in space dimension 3, 4 or 5. we prove that any global solution which is bounded in the energy space converges in the exterior of wave cones to a radiation term which is a solution of the linear wave equation. | arxiv:1601.02107 |
we have obtained h $ \ alpha $ ccd images of 21 compact planetary nebulae in the galactic bulge. all objects are resolved and, after deconvolving the seeing disk, we find diameters of 1 - - 2 $ ' ' $ with typical uncertainties of 20 \ %. the values are generally in good agreement with radio measurements but are smaller... | arxiv:astro-ph/9309020 |
we study the quasi - local energy ( qle ) and the surface geometry for kerr spacetime in the boyer - lindquist coordinates without taking the slow rotation approximation. we also consider in the region $ r \ leq2m $, which is inside the ergosphere. for a certain region, $ r > r _ { k } ( a ) $, the gaussian curvature o... | arxiv:1606.08177 |
survival analysis is a fundamental area of focus in biomedical research, particularly in the context of personalized medicine. this prominence is due to the increasing prevalence of large and high - dimensional datasets, such as omics and medical image data. however, the literature on non - linear regression algorithms... | arxiv:2206.06885 |
in this paper we define a dirichlet - to - neumann map for a twisted dirac laplacian acting on bundle - valued spinors over a spin manifold. we show that this map is a pseudodifferential operator of order 1 whose symbol determines the taylor series of the metric and connection at the boundary. we go on to show that if ... | arxiv:2204.04854 |
hadronic decays of boosted resonances, e. g., top quark jets, at hadronic super colliders are frequent predictions in tev - scale extensions of the standard model of particle physics. in such scenarios, accurate modeling of qcd radiation is necessary for trustworthy predictions. we present the automation of fully diffe... | arxiv:1610.08985 |
airports worldwide are actively promoting the transition of ground service vehicles from traditional fuel - powered vehicles to electric vehicles. the key to the successful implementation of this transition lies in the development of efficient electric vehicle dispatching models that comprehensively consider the charge... | arxiv:2408.14746 |
motivated by mail delivery scheduling problems arising in royal mail, we study a generalization of the fundamental makespan scheduling p | | cmax problem which we call the bounded job start scheduling problem. given a set of jobs, each specified by an integer processing time p _ j, that have to be executed non - preemp... | arxiv:1912.06862 |
also launched missions to mercury in 2004, with the messenger probe demonstrating as the first use of a solar sail. nasa also launched probes to the outer solar system starting in the 1960s. pioneer 10 was the first probe to the outer planets, flying by jupiter, while pioneer 11 provided the first close up view of the ... | https://en.wikipedia.org/wiki/NASA |
" on exactitude in science ", or " on rigor in science " ( spanish : " del rigor en la ciencia " ) is a one - paragraph short story by argentine writer jorge luis borges. = = plot = = the story, credited fictionally as a quotation from " suarez miranda, viajes de varones prudentes, libro iv, cap. xlv, lerida, 1658 ", d... | https://en.wikipedia.org/wiki/On_Exactitude_in_Science |
in this study, we focus on the bosonic decays of light charged higgs boson ( i. e., with $ m _ { h ^ \ pm } < m _ t $ ) in the 2 - higgs doublet model ( 2hdm ) type - i. to study the signal of such a charged higgs state at the large hadron collider ( lhc ), in a scenario where the $ h ^ 0 $ boson is the standard model ... | arxiv:2003.11108 |
the imaging - time - of - propogation ( itop ) counter is a new type of ring - imaging cherenkov counter developed for particle identification at the belle ii experiment. it consists of 16 modules arranged azimuthally around the beam line. each module consists of one mirror, one prism and two quartz bar radiators. here... | arxiv:1710.02397 |
a long - standing question in two dimensional anisotropic kepler problem ( akp ) concerns with the uniqueness of an unstable periodic orbit ( po ) for a given binary code ( modulo symmetry equivalence ). in this paper, a finite level ( $ n $ ) surface defined by the binary coding of the orbit is considered over the ini... | arxiv:1902.09275 |
deep learning models are vulnerable to adversarial examples and make incomprehensible mistakes, which puts a threat on their real - world deployment. combined with the idea of adversarial training, preprocessing - based defenses are popular and convenient to use because of their task independence and good generalizabil... | arxiv:2110.07801 |
the logarithmic potential is of great interest and relevance in the study of the dynamics of galaxies. some small corrections to the work of contopoulos & seimenis ( 1990 ) who used the method of prendergast ( 1982 ) to find periodic orbits and bifurcations within such a potential are presented. the solution of the orb... | arxiv:1209.1342 |
distortion - based analysis has established itself as a fruitful framework for comparing voting mechanisms. m voters and n candidates are jointly embedded in an ( unknown ) metric space, and the voters submit rankings of candidates by non - decreasing distance from themselves. based on the submitted rankings, the socia... | arxiv:1911.07162 |
the study of animal movement is challenging because it is a process modulated by many factors acting at different spatial and temporal scales. several models have been proposed which differ primarily in the temporal conceptualization, namely continuous and discrete time formulations. naturally, animal movement occurs i... | arxiv:1907.10115 |
instant messaging has become a predominant form of communication, with texts and emoticons enabling users to express emotions and ideas efficiently. emoticons, in particular, have gained significant traction as a medium for conveying sentiments and information, leading to the growing importance of emoticon retrieval an... | arxiv:2502.19108 |
we construct locally lindel \ " of scattered p - spaces ( llsp spaces, in short ) with prescribed widths and heights under different set - theoretic assumptions. we prove that there is an llsp space of width $ \ omega _ 1 $ and height $ \ omega _ 2 $ and that it is relatively consistent with zfc that there is an llsp s... | arxiv:2111.05038 |
we study the exponential ornstein - uhlenbeck stochastic volatility model and observe that the model shows a multiscale behavior in the volatility autocorrelation. it also exhibits a leverage correlation and a probability profile for the stationary volatility which are consistent with market observations. all these fea... | arxiv:cond-mat/0501639 |
let $ g $ be a finite group and construct a graph $ \ delta ( g ) $ by taking $ g \ setminus \ { 1 \ } $ as the vertex set of $ \ delta ( g ) $ and by drawing an edge between two vertices $ x $ and $ y $ if $ \ langle x, y \ rangle $ is cyclic. let $ k ( g ) $ be the set consisting of the universal vertices of $ \ delt... | arxiv:2402.06157 |
we present a method for estimating the number of shots required for some desired variance in the results of a quantum circuit. first, we establish a baseline for a single qubit characterization of individual noise sources separately. we then extend the method to multi - qubit problems and test our method on two case st... | arxiv:2501.03194 |
we construct uncountably many infinite characters of type ii for $ sl _ n ( \ mathbb { z } ) $, $ n \ geq 2 $. | arxiv:2111.11754 |
we discuss a structural approach to subset - sum problems in additive combinatorics. the core of this approach are freiman - type structural theorems, many of which will be presented through the paper. these results have applications in various areas, such as number theory, combinatorics and mathematical physics. | arxiv:0804.3211 |
we consider a finite group acting on a vector space and the corresponding skew group algebra generated by the group and the symmetric algebra of the space. this skew group algebra illuminates the resulting orbifold and serves as a replacement for the ring of invariant polynomials, especially in the eyes of cohomology. ... | arxiv:0911.0917 |
graph neural networks ( gnns ) are powerful machine learning models that excel at analyzing structured data represented as graphs, demonstrating remarkable performance in applications like social network analysis and recommendation systems. however, classical gnns face scalability challenges when dealing with large - s... | arxiv:2405.17060 |
a possibility of explaining the anomalies in the semileptonic $ b $ - meson decay $ b \ to k ^ { * } \ mu \ bar \ mu $ has been explored in the framework of the gauged $ u ( 1 ) _ { \ mu - \ tau } $ symmetry. apart from the muon anomalous magnetic moment and neutrino sector, we formulate the model starting with a valid... | arxiv:1901.03932 |
a self - dual generalization of the lump - impurity system is introduced. this model possesses lump - antilump - like pairs as static solutions of the pertinent bogomolny equations. this allows for a moduli space approximation analysis of the bps solutions which are identified as lump - antilump configurations. some ge... | arxiv:2112.02122 |
in this work, we numerically investigate flow instabilities of inertialess circular couette flow of dilute wormlike micelle solutions. using the reformulated reactive rod model ( rrm - r ) [ hommel and graham, jnnfm 295 ( 2021 ) 104606 ], which treats micelles as rigid brownian rods undergoing reversible scission and f... | arxiv:2309.02554 |
instruction - tuned large language models ( llms ) show impressive results in numerous practical applications, but they lack essential safety features that are common in other areas of computer science, particularly an explicit separation of instructions and data. this makes them vulnerable to manipulations such as ind... | arxiv:2403.06833 |
in this work we study the analogues of r - matrices that arise in 5d non - commutative topological - holomorphic chern - simons theory, which is known to describe twisted m - theory. we first study the intersections of line and surface operators in 5d chern - simons theory, which correspond to m2 - and m5 - branes, res... | arxiv:2408.15732 |
wigner crystals are prime candidates for the realization of regular electron lattices under minimal requirements on external control and electronics. however, several technical challenges have prevented their detailed experimental investigation and applications to date. we propose an implementation of two - dimensional... | arxiv:1912.11089 |
fighting fantasy is a popular recreational fantasy gaming system worldwide. combat in this system progresses through a stochastic game involving a series of rounds, each of which may be won or lost. each round, a limited resource ( ` luck ' ) may be spent on a gamble to amplify the benefit from a win or mitigate the de... | arxiv:2002.10172 |
we present the mathematica package hypexp which allows to expand hypergeometric functions $ _ jf _ { j - 1 } $ around integer parameters to arbitrary order. at this, we apply two methods, the first one being based on an integral representation, the second one on the nested sums approach. the expansion works for both sy... | arxiv:hep-ph/0507094 |
restoring degraded music signals is essential to enhance audio quality for downstream music manipulation. recent diffusion - based music restoration methods have demonstrated impressive performance, and among them, diffusion posterior sampling ( dps ) stands out given its intrinsic properties, making it versatile acros... | arxiv:2309.06934 |
the cuore experiment is a large bolometric array searching for the lepton number violating neutrino - less double beta decay ( $ 0 \ nu \ beta \ beta $ ) in the isotope $ \ mathrm { ^ { 130 } te } $. in this work we present the latest results on two searches for the double beta decay ( dbd ) of $ \ mathrm { ^ { 130 } t... | arxiv:2101.10702 |
in both quantum mechanics and relativity theory, the concept of the observer plays a critical role. however, there is no consensus on the definition of observer in these theories. following einstein ' s thought experiments, one could ask : what would it look like to sit inside a photon or to be a photon? and what type ... | arxiv:2304.01677 |
jammed particulate systems composed of various shapes of particles undergo the jamming transition as they are compressed or decompressed. to date, sphere packings have been extensively studied in many previous works, where isostaticity at the transition and scaling laws with the pressure of various quantities, includin... | arxiv:1905.02966 |
a model for the acoustic production of gravitational waves at a first order phase transition is presented. the source of gravitational radiation is the sound waves generated by the explosive growth of bubbles of the stable phase. the model assumes that the sound waves are linear and that their power spectrum is determi... | arxiv:1608.04735 |
this paper is devoted to the study of generalized differentiation properties of the infimal convolution. this class of functions covers a large spectrum of nonsmooth functions well known in the literature. the subdifferential formulas obtained unify several known results and allow us to characterize the differentiabili... | arxiv:1404.0787 |
two types of coseismic magnetic field events are simultaneously observed : transient offset events and magnetic field signal that occurred at the destructive, mw6. 1 laquila earthquake ( eq ) mainshock. the offset event, conventionally interpreted as a signature of piezomagnetic effects, however could not be ascribed a... | arxiv:1506.05938 |
we investigate a spectrum of a fermion, which we call a quark, above the critical temperature of the chiral phase transition in a gauge theory using the schwinger - dyson ( sd ) equation. the sd equation enables us to study the spectrum over a wide range of the gauge coupling. it is shown that the quark spectrum has tw... | arxiv:hep-ph/0702253 |
we investigate experimentally parity - time ( $ { \ cal pt } $ ) symmetric scattering using $ lrc $ circuits in an inductively coupled $ { \ cal pt } $ - symmetric pair connected to transmission line leads. in the single - lead case, the $ { \ cal pt } $ - symmetric circuit acts as a simple dual device - an amplifier o... | arxiv:1205.2176 |
impurities immersed in a bose - einstein condensate ( bec ) can interact indirectly through the exchange of bogoliubov excitations. these impurities, which form dressed quasiparticles known as bose polarons due to their interaction with the bec, can pair up to form a bound state called bipolarons, via an induced intera... | arxiv:2501.16657 |
we have measured the electrical conductivity of nominally uncompensated ^ { 70 } ge : ga samples in magnetic fields up to b = 8 t at low temperatures ( t = 0. 05 - 0. 5 k ) in order to investigate the metal - insulator transition in magnetic fields. the values of the critical exponents in magnetic fields are consistent... | arxiv:cond-mat/0206256 |
we study a graph partitioning problem motivated by the simulation of the physical movement of multi - body systems on an atomistic level, where the forces are calculated from a quantum mechanical description of the electrons. several advanced algorithms have been published in the literature for such simulations that ar... | arxiv:1605.01118 |
in this paper, we investigate the problem of coordination between economic dispatch ( ed ) and demand response ( dr ) in multi - energy systems ( mess ), aiming to improve the economic utility and reduce the waste of energy in mess. since multiple energy sources are coupled through energy hubs ( ehs ), the supply - dem... | arxiv:2103.13680 |
recently, deep learning methods have made great progress in traffic prediction, but their performance depends on a large amount of historical data. in reality, we may face the data scarcity issue. in this case, deep learning models fail to obtain satisfactory performance. transfer learning is a promising approach to so... | arxiv:2207.01301 |
we report chandra and xmm - newton observations of the transient neutron star low - mass x - ray binary grs 1741. 9 - 2853. chandra detected the source in outburst on 2000 october 26 at an x - ray luminosity of ~ 10 ^ { 36 } erg / s ( 2 - - 8 kev ; 8 kpc ), and in quiescence on 2001 july 18 at ~ 10 ^ { 32 } erg / s. th... | arxiv:astro-ph/0307179 |
the dynamics of quantum fisher information ( qfi ) of the phase parameter in a driven two - state system is studied within the framework of non - markovian dissipative process. the influences of memory effects, classical driving and detunings on the parameter - estimation precision are demonstrated by exactly solving t... | arxiv:1503.02260 |
off - policy learning to rank ( ltr ) aims to optimize a ranker from data collected by a deployed logging policy. however, existing off - policy learning to rank methods often make strong assumptions about how users generate the click data, i. e., the click model, and hence need to tailor their methods specifically und... | arxiv:2306.07528 |
we present a c + + header - only parallel sparse matrix library, based on sparse quadtree representation of matrices using the chunks and tasks programming model. the library implements a number of sparse matrix algorithms for distributed memory parallelization that are able to dynamically exploit data locality to avoi... | arxiv:2011.11762 |
video streaming services depend on the underlying communication infrastructure and available network resources to offer ultra - low latency, high - quality content delivery. open radio access network ( oran ) provides a dynamic, programmable, and flexible ran architecture that can be configured to support the requireme... | arxiv:2412.12751 |
topological states of matter possess bulk electronic structures categorized by topological invariants and edge / surface states due to the bulk - boundary correspondence. topological materials hold great potential in the development of dissipationless spintronics, information storage, and quantum computation, particula... | arxiv:2212.09057 |
we report results from a 2003 fuse observation, and reanalysis of a 1996 hst observation of the unusual x - ray transient narrow - line seyfert 1 galaxy wpvs 007. the hst fos spectrum revealed mini - bals with v _ max ~ 900 km s ^ - 1 and fwhm ~ 550 km s ^ - 1. the fuse spectrum showed that an additional bal outflow wi... | arxiv:0906.2149 |
we study the dynamics of test particles and pointlike gyroscopes in 5d manifolds like those used in the randall - sundrum brane world and non - compact kaluza - klein models. our analysis is based on a covariant foliation of the manifold using 3 + 1 dimensional spacetime slices orthogonal to the extra dimension, and is... | arxiv:gr-qc/0204032 |
schema linking is a critical bottleneck in achieving human - level performance in text - to - sql tasks, particularly in real - world large - scale multi - database scenarios. addressing schema linking faces two major challenges : ( 1 ) database retrieval : selecting the correct database from a large schema pool in mul... | arxiv:2503.18596 |
we study the regional controllability problem for delayed fractional control systems through the use of the standard caputo derivative. first, we recall several fundamental results and introduce the family of fractional - order systems under consideration. afterwards, we formulate the notion of regional controllability... | arxiv:2212.09466 |
the presence of correlations between particles significantly separated in pseudorapidity in proton - proton and proton - nucleus collisions has raised questions about whether collective effects are observed in small collision systems as well as in heavy - ion collisions. the quantification of these long - range correla... | arxiv:1901.00710 |
monte carlo techniques based on indivisible energy packets are described for computing light curves and spectra for 3 - d supernovae. the radiative transfer is time - dependent and includes all effects of o ( v / c ). monte carlo quantization is achieved by discretizing the initial distribution of 56ni into radioactive... | arxiv:astro-ph/0409249 |
for many applications in the field of computer assisted surgery, such as providing the position of a tumor, specifying the most probable tool required next by the surgeon or determining the remaining duration of surgery, methods for surgical workflow analysis are a prerequisite. often machine learning based approaches ... | arxiv:1811.03382 |
mixing length theory is the predominant treatment of convection in stellar models today. usually described by a single free parameter, alpha, the common practice is to calibrate it using the properties of the sun, and apply it to all other stellar models as well. asteroseismic data from kepler and corot provide precise... | arxiv:1402.1182 |
this paper calculates the elastic form factors for nucleons based on generalized parton distributions using an extended new ansatz introduced in http : / / dx. doi. org / 10. 1103 / physrevc. 105. 025202 ( phys. rev. c 105, no. 2, 025202 ( 2022 ) ). different parton distribution functions ( pdfs ) are considered, and m... | arxiv:2305.02438 |
by constructing a new coupling, the log - harnack inequality is established for the functional solution of a delay stochastic differential equation with multiplicative noise. as applications, the strong feller property and heat kernel estimates w. r. t. quasi - invariant probability measures are derived for the associa... | arxiv:1012.5688 |
the petty projection inequality for sets of finite perimeter is proved. our approach is based on steiner symmetrization. neither the affine sobolev inequality nor the functional minkowski problem is used in our proof. moreover, for sets of finite perimeter, we prove the petty projection inequality with respect to stein... | arxiv:2102.07103 |
in this paper we study the dynamics of an ensemble of nitrogen - vacancy centers in diamond when its photoluminescence is detected by means of a widefield imaging system. we develop a seven - level model and use it to simulate the widefield detection of nitrogen - vacancy centers rabi oscillations. the simulation resul... | arxiv:2309.06203 |
we initiate the study of the coefficients of the distinct monomials in the expansion of the multivariate polynomials $ x _ 1 ( x _ 1 + x _ 2 ) \ cdots ( x _ 1 + x _ 2 + \ cdots + x _ n ), n \ in \ n $. in particular we obtain several results regarding their maximal coefficients. | arxiv:2111.07331 |
the semantic web is becoming more and more a reality, as the required technologies have reached an appropriate level of maturity. however, at this stage, it is important to provide tools facilitating the use and deployment of these technologies by end - users. in this paper, we describe edhibou, an automatically genera... | arxiv:0811.0310 |
and standardization. new conventions and symbols were created by engineers ; the use of which became standardized throughout industries, so that any person who could read a technical drawing could know the specifications of a component or structure. the standardization process helped engineer practices to become standa... | https://en.wikipedia.org/wiki/Engineering_drawing |
over the past decades, enormous efforts have been made to improve the performance of linear or nonlinear mixing models for hyperspectral unmixing, yet their ability to simultaneously generalize various spectral variabilities and extract physically meaningful endmembers still remains limited due to the poor ability in d... | arxiv:2105.10194 |
measurement of the gas velocity distribution in galaxy clusters provides insight into the physics of mergers, through which large scale structures form in the universe. velocity estimates within the intracluster medium ( icm ) can be obtained via the sunyaev - zel ' dovich ( sz ) effect, but its observation is challeng... | arxiv:1606.07721 |
high - sensitive measurement of radio - frequency ( rf ) electric field is available via the electromagnetically induced transparency ( eit ) effect of rydberg atom at room - temperature, which has been developed to be a promising atomic rf receiver. in this letter, we investigate the credibility of the digital communi... | arxiv:1808.10839 |
the article suggests a new approach what is called a consistency method for the inversion of the spherical radon transform in 2d with detectors on a line. it is known that there is not an exact inversion formula in 2d. by means of the method was proved that the reconstruction has a local description and found a new ite... | arxiv:1705.10690 |
using a numerical decimation method, we compute the localisation length $ \ lambda _ { 2 } $ for two onsite interacting particles ( tip ) in a one - dimensional random potential. we show that an interaction $ u > 0 $ does lead to $ \ lambda _ 2 ( u ) > \ lambda _ 2 ( 0 ) $ for not too large $ u $ and test the validity ... | arxiv:cond-mat/9809369 |
about a dozen hot white dwarfs with effective temperatures teff = 65, 000 - 120, 000 k exhibit unusual absorption features in their optical spectra. these objects were tentatively identified as rydberg lines of ultra - high excited metals in ionization stages v - x, indicating line formation in a dense environment with... | arxiv:1711.04138 |
the recent discovery of the superconductivity in the doped infinite layer nickelates $ r $ nio $ _ 2 $ ( $ r $ = la, pr, nd ) is of great interest since the nickelates are isostructural to doped ( ca, sr ) cuo $ _ 2 $ having superconducting transition temperature ( $ t _ { \ rm c } $ ) of about 110 k. verifying the com... | arxiv:2107.12923 |
we study continuous - time markov chains on the non - negative integers under mild regularity conditions ( in particular, the set of jump vectors is finite and both forward and backward jumps are possible ). based on the so - called flux balance equation, we derive an iterative formula for calculating stationary measur... | arxiv:2312.06186 |
we define a floer - homology invariant for links in $ s ^ 3 $, and study its properties. | arxiv:math/0512286 |
the met office space weather operations centre produces 24 / 7 / 365 space weather guidance, alerts, and forecasts to a wide range of government and commercial end users across the united kingdom. solar flare forecasts are one of its products, which are issued multiple times a day in two forms ; forecasts for each acti... | arxiv:1703.06754 |
incentives are more likely to elicit desired outcomes when they are designed based on accurate models of agents ' strategic behavior. a growing literature, however, suggests that people do not quite behave like standard economic agents in a variety of environments, both online and offline. what consequences might such ... | arxiv:1406.1790 |
we present a comprehensive structural study on perovskite - type 6h - ba3cusb2o9, which exhibits a spin - orbital short - range ordering on a honeycomb - based lattice. by combining synchrotron x - ray diffraction, electron spin resonance, ultrasound measurement and raman spectroscopy, we found that the static jahn - t... | arxiv:1403.4779 |
finite - precision floating point arithmetic unavoidably introduces rounding errors which are traditionally bounded using a worst - case analysis. however, worst - case analysis might be overly conservative because worst - case errors can be extremely rare events in practice. here we develop a probabilistic model of ro... | arxiv:1912.00867 |
in a recent paper dewolfe et al. have shown how to use the self - intersection number of junctions to constrain the bps spectrum of n = 2, d = 4 theories with ade flavor symmetry arising on a single d3 - brane probe in a 7 - brane background. motivated by the existence of more general n = 2, d = 4 theories arising on t... | arxiv:hep-th/9807117 |
antiferromagnetic fluctuations in two dimensions cause a decrease in spectral weight at so - called hot spots associated with the pseudogap in electron - doped cuprates. in the 2d hubbard model, these hot spots occur when the vilk criterion is satisfied, namely when the spin correlation length exceeds the thermal de br... | arxiv:2205.00066 |
we study a smoluchowski equation describing a simple mean - field model of particles moving in $ d $ dimensions and aggregating with conservation of ` mass ' $ s = r ^ d $ ( $ r $ is the particle radius ). in the scaling regime the scaled mass distribution $ p ( s ) \ sim s ^ { - \ tau } $, and $ \ tau $ can be compute... | arxiv:cond-mat/9607081 |
a monte carlo simulation is performed in a cubic lattice of interacting identical stoner - woldfarth nanoparticles. the model system is a randomly - anisotropic heisenberg spin system with a small anisotropy - to - exchange ratio d / j = 3. 5. the dc susceptibility, chi ( dc ) ( t ), shows a curie - weiss - like transi... | arxiv:0903.1571 |
an existing approach for dealing with massive data sets is to stream over the input in few passes and perform computations with sublinear resources. this method does not work for truly massive data where even making a single pass over the data with a processor is prohibitive. successful log processing systems in practi... | arxiv:cs/0611108 |
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