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we study motions of galaxies in galaxy clusters formed in the concordance lcdm cosmology. we use high - resolution cosmological simulations that follow dynamics of dark matter and gas and include various physical processes critical for galaxy formation : gas cooling, heating and star formation. analysing motions of gal... | arxiv:astro-ph/0408488 |
we generally investigate necessary conditions for the generation of the long - distance entanglement. we consider a quantum system in which a system mediates the indirect interaction between two spins, which we refer to as probe spins. first, we weaken the coupling between each probe spin and the mediator system to the... | arxiv:1207.2967 |
a useful application of event sensing is visual odometry, especially in settings that require high - temporal resolution. the state - of - the - art method of contrast maximisation recovers the motion from a batch of events by maximising the contrast of the image of warped events. however, the cost scales with image re... | arxiv:2103.05955 |
symmetry occurs not only in geometry, but also in other branches of mathematics. symmetry is a type of invariance : the property that a mathematical object remains unchanged under a set of operations or transformations. given a structured object x of any sort, a symmetry is a mapping of the object onto itself which pre... | https://en.wikipedia.org/wiki/Symmetry_in_mathematics |
let $ y $ be the del pezzo $ 4 $ - fold defined by the linear section $ \ textrm { gr } ( 2, 5 ) $ by $ \ mathbb { p } ^ 7 $. in this paper, we classify the type of normal bundles of lines in $ y $ and describe its parameter space. as a corollary, we obtain the desigularized model of the moduli space of stable maps in ... | arxiv:2204.02014 |
osse observed the transient black hole candidate gro j0422 + 32 ( xn per 92 ) between 1992 aug 11 and 1992 sep 17. high time resolution data were obtained in several energy bands over the 35 - 600 kev range with a sampling rate of 8 ms. power spectra at energies below 175 kev show substantial low - frequency red noise ... | arxiv:astro-ph/9805256 |
in this paper, we propose an extended virtual element method ( x - vem ) for two - dimensional linear elastic fracture. this approach, which is an extension of the standard virtual element method ( vem ), facilitates mesh - independent modeling of crack discontinuities and elastic crack - tip singularities on general p... | arxiv:2111.04150 |
a field theoretical method is developed which permits us to study the dynamics of vortices in disordered environments. in particular, we obtain a self - consistent system of equations for disorder averaged quantities. making use of a hartree - type approximation, we calculate the current - voltage ( i - v ) characteris... | arxiv:cond-mat/9505103 |
mergers of black - hole binaries are expected to release large amounts of energy in the form of gravitational radiation. however, binary evolution models predict merger rates too low to be of observational interest. in this paper we explore the possibility that black holes become members of close binaries via dynamical... | arxiv:astro-ph/9912022 |
food computing is currently a fast - growing field of research. natural language processing ( nlp ) is also increasingly essential in this field, especially for recognising food entities. however, there are still only a few well - defined tasks that serve as benchmarks for solutions in this area. we introduce a new dat... | arxiv:2204.07775 |
the continuous multi - scale entanglement renormalization ansatz ( cmera ) is a variational class of states for quantum fields. as originally formulated, the cmera applies to infinite systems only. in this paper we generalize the cmera formalism to a finite circle, which we achieve by wrapping the action of the so - ca... | arxiv:2101.03674 |
we focus on the analysis of three inequivalent equations of state of geometric dark energy in $ f ( r ) $ cosmology that have been considered in the past and discuss their differences, advantages and drawbacks. | arxiv:1312.5428 |
using a time - gated dual quadrature spectral interferometry technique, for the first time we demonstrate single - shot characterization of both spectral amplitude and phase of ~ 1thz bandwidth optical arbitrary waveforms generated from a 10 ghz frequency comb. our measurements provide a temporal resolution of 1ps over... | arxiv:0907.2420 |
generalized sampling consists in the recovery of a function $ f $, from the samples of the responses of a collection of linear shift - invariant systems to the input $ f $. the reconstructed function is typically a member of a finitely generated integer - shift - invariant space that can reproduce polynomials up to a g... | arxiv:2012.08954 |
we report a detailed study of the magnetic - field structure of the crab pulsar wind nebula, using the x - ray polarization data in 2 - - 8 ~ kev obtained with the imaging x - ray polarimetry explorer. contamination of the pulsar emission to the data of the nebula region was removed through application of a stringent p... | arxiv:2309.16154 |
we introduce a new family of hyperplane arrangements in dimension $ n \ geq3 $ that includes both the shi arrangement and the ish arrangement. we prove that all the members of a given subfamily have the same number of regions - the connected components of the complement of the union of the hyperplanes - which can be bi... | arxiv:1703.02509 |
quasiprobability distributions ( qds ) in open quantum systems are investigated for $ su ( 2 ) $, spin like systems, having relevance to quantum optics and information. in this work, effect of both quantum non - demolition ( qnd ) and dissipative open quantum systems, on the evolution of a number of spin qds are invest... | arxiv:1504.02030 |
generic object detection has been immensely promoted by the development of deep convolutional neural networks in the past decade. however, in the domain shift circumstance, the changes in weather, illumination, etc., often cause domain gap, and thus performance drops substantially when detecting objects from one domain... | arxiv:2009.02862 |
we present spectral analysis of two suzaku observations of the seyfert 2 galaxy, ngc 2110. this source has been known to show complex, variable absorption which we study in depth by analyzing these two observations set seven years apart and by comparing to previously analyzed observations with the xmm - newton and chan... | arxiv:1403.1904 |
variational autoencoders ( vaes ) are one class of generative probabilistic latent - variable models designed for inference based on known data. they balance reconstruction and regularizer terms. a variational approximation produces an evidence lower bound ( elbo ). multiplying the regularizer term by beta provides a b... | arxiv:2312.06828 |
this paper introduces a new technique to measure the feature dependency of neural network models. the motivation is to better understand a model by querying whether it is using information from human - understandable features, e. g., anatomical shape, volume, or image texture. our method is based on the principle that ... | arxiv:2404.12341 |
in this talk we discuss the results obtained in the new approach that we recently introduced to consider and include both the perturbative and nonperturbative contributions to the evolution of the gluon and quark avarage multiplicities. we report on our progresses in solving a longstanding puzzle of qcd. the new formal... | arxiv:1211.5550 |
we construct geometrically a gerbe assigned to a connection on a principal su ( 2 ) - bundle over an oriented closed 1 - dimensional manifold. if the connection is given by the restriction of a connection on a bundle over a compact 2 - manifold bounding the 1 - manifold, then we have a natural object in the gerbe. the ... | arxiv:hep-th/0105072 |
we introduce a $ n _ c \ times n _ c $ matrix model with $ \ mathcal { n } = 2 $ supersymmetries and show its relation to the topological rigid string and the topological ym $ _ 2 $. this allows to connect the latter two theories directly. moreover the construction leads to a new insight in the \ ninfty limit. finally ... | arxiv:hep-th/9802182 |
##e on the number of hamiltonian paths in digraphs and tournaments, as well as a modulo - $ 4 $ refinement of redei ' s theorem. | arxiv:2307.05569 |
using evolutionary algorithm for crystal structure prediction, we present a new stable two - dimensional ( 2d ) carbon allotrope composed of polymerized as - indacenes ( pai ) in a zigzag pattern, namely pai - graphene whose energy is lower than most of the reported 2d allotropes of graphene. crucially, the crystal str... | arxiv:2007.12251 |
we have shown in hep - ph / 9608266 that a neutrino magnetic moment form factor $ \ mu _ { \ nu } ( q ^ 2 ) $ could be considerably amplified at low momentum transfer, $ q ^ 2 \ leq m _ n ^ 2 $, at the cost of introducing an extra light neutral fermion $ n $ with mass $ m _ n $ and nonzero magnetic moment. it was assum... | arxiv:hep-ph/9702317 |
in this letter we show, in terms of fracture - induced electromagnetic emissions ( eme ) that the earth system around the focal areas came to critical condition a few days before the occurrence of recent significant ( m > 5 ) earthquakes ( eqs ) which happened in the region of the eastern aegean sea, between the greek ... | arxiv:1708.00320 |
how do active galactic nuclei with low optical luminosities produce powerful radio emission? recent studies of active galactic nuclei with moderate radio and low optical luminosities ( fanaroff & riley class i, fr i ) searching for broad nuclear emission lines in polarized light, as predicted by some active galactic nu... | arxiv:2101.06579 |
this paper presents a deep learning - based spectral demosaicing technique trained in an unsupervised manner. many existing deep learning - based techniques relying on supervised learning with synthetic images, often underperform on real - world images especially when the number of spectral bands increases. according t... | arxiv:2307.01990 |
we give simple homological conditions for a rational homology 3 - sphere y to have infinite order in the rational homology cobordism group, and for a collection of rational homology spheres to be linearly independent. these translate immediately to statements about knot concordance when y is the branched double cover o... | arxiv:1803.07931 |
the effect of doping of rare earth gd 3 + ion replacing nd 3 + in nd0. 7sr0. 3mno3 is investigated in details. measurements of resistivity, magnetoresistance, magnetization, linear and non linear ac magnetic susceptibility on chemically synthesized ( nd0. 7 - xgdx ) sr0. 3mno3 shows various interesting features with do... | arxiv:1105.6284 |
global gradient driven gene gyrokinetic simulations are used to investigate tcv plasmas with negative triangularity. considering a limited l - mode plasma, corresponding to an experimental triangularity scan, numerical results are able to reproduce the actual transport level over a major fraction of the plasma minor ra... | arxiv:2101.05863 |
deterministic techniques enabling the implementation and engineering of bright and coherent solid - state quantum light sources are key for the reliable realization of a next generation of quantum devices. such a technology, at best, should allow one to significantly scale up the number of implemented devices within a ... | arxiv:1612.08175 |
neural networks have been rapidly expanding in recent years, with novel strategies and applications. however, challenges such as interpretability, explainability, robustness, safety, trust, and sensibility remain unsolved in neural network technologies, despite the fact that they will unavoidably be addressed for criti... | arxiv:2208.00374 |
we propose a method to generate multiple diverse and valid human pose hypotheses in 3d all consistent with the 2d detection of joints in a monocular rgb image. we use a novel generative model uniform ( unbiased ) in the space of anatomically plausible 3d poses. our model is compositional ( produces a pose by combining ... | arxiv:1702.02258 |
capgemini engineering ( previously known as altran technologies, sa ) is a global innovation and engineering consulting firm founded in 1982 in france by alexis kniazeff and hubert martigny. altran technologies operated primarily in high technology and innovation industries, which accounted for nearly 75 % of its turno... | https://en.wikipedia.org/wiki/Capgemini_Engineering |
the diffusion of two dimensional adatom islands ( up to 100 atoms ) on cu ( 111 ) has been studied, using the self - learning kinetic monte carlo ( slkmc ) method [ 1 ]. a variety of multiple - and single - atom processes are revealed in the simulations, and the size dependence of the diffusion coefficients and effecti... | arxiv:1109.0564 |
the one - loop effective energy density of a pure su ( 2 ) yang - mills theory in the savvidy background, at finite temperature and chemical potential is examined with emphasis on the unstable modes. after identifying the stable and unstable modes, the stable modes are treated in the quadratic approximation. for the un... | arxiv:hep-th/0609090 |
the large numbers of sick children in different diseases are very dreaded, and when there isn ' t succor at the proper time and in the type the sick child need it that makes us lose child. this paper suggested an emergency system for succoring sick child locally when he required that, and there isn ' t someone knows hi... | arxiv:1210.1524 |
the problem known as multicolinearity has long been recognized to fundamentally and negatively influence multiple regression. this paper does not intend to either propose a numerical assessment of the degree to which this problem exists within any data set or a solution to the problem itself. rather, it is our intent t... | arxiv:2302.06464 |
we prove a new criterion for the solvability of the finite groups, depending on the function $ \ psi _ k ( g ) $ which is defined as the sum of $ k $ - th powers of the element orders of $ g $. we show that our result can be used to show the solvability of some groups for which the solvability does not follow from earl... | arxiv:2212.07748 |
in this paper we consider flat metrics ( semi - translation structures ) on surfaces of finite type. there are two main results. the first is a complete description of when a set of simple closed curves is spectrally rigid, that is, when the length vector determines a metric among the class of flat metrics. secondly, w... | arxiv:0907.2082 |
copula entropy ( ce ) is a recently introduced concept for measuring correlation / dependence in information theory. in this paper, the theory of ce is introduced and the thermodynamic interpretation of ce is presented with n - particle correlated systems in equilibrium states. | arxiv:2111.14042 |
the aim of this paper is to generalize the notion of conformal blocks to the situation in which the lie algebra they are attached to is not defined over a field, but depends on covering data of curves. the result will be a sheaf of conformal blocks on the hurwitz stack parametrizing galois coverings of curves. many fea... | arxiv:1707.04448 |
skeleton - based action representation learning aims to interpret and understand human behaviors by encoding the skeleton sequences, which can be categorized into two primary training paradigms : supervised learning and self - supervised learning. however, the former one - hot classification requires labor - intensive ... | arxiv:2405.20606 |
given the rapid rise in energy demand by data centers and computing systems in general, it is fundamental to incorporate energy considerations when designing ( scheduling ) algorithms. machine learning can be a useful approach in practice by predicting the future load of the system based on, for example, historical dat... | arxiv:2112.03082 |
in this thesis, an introduction to the ultra - high energy cosmic ray ( uhecr ) field is given, including air shower physics, uhecr astrophysics, and experimental techniques. the current questions in uhecr physics are mentioned, along with the experimental challenges encountered in the field. the physics of air fluores... | arxiv:1406.5818 |
we prove the connectedness and calculate the diameter of the oriented graph of graftings associated to exotic complex projective structures on a compact surface s with a given holonomy representation of fuchsian type. the oriented graph of graftings is the graph whose vertices are the equivalence classes of marked cp ^... | arxiv:1205.6069 |
we compute the gravitational waveform produced by cosmic superstring reconnections. this is done by first constructing the superstring reconnection trajectory, which closely resembles that of classical, instantaneous reconnection but with the singularities smoothed out due to the string path integral. we then evaluate ... | arxiv:0901.0867 |
as large language models become ubiquitous in many sectors and tasks, there is a need to reduce token usage, overcoming challenges such as short context windows, limited output sizes, and costs associated with token intake and generation, especially in api - served llms. this work brings the design structure matrix fro... | arxiv:2410.00749 |
we look at the long - standing problem of segmenting unlabeled speech into word - like segments and clustering these into a lexicon. several previous methods use a scoring model coupled with dynamic programming to find an optimal segmentation. here we propose a much simpler strategy : we predict word boundaries using t... | arxiv:2409.14486 |
when agents are acting together, they may need a simple mechanism to decide on joint actions. one possibility is to have the agents express their preferences in the form of a ballot and use a voting rule to decide the winning action ( s ). unfortunately, agents may try to manipulate such an election by misreporting the... | arxiv:1007.0776 |
we consider the problem of learning a causal graph in the presence of measurement error. this setting is for example common in genomics, where gene expression is corrupted through the measurement process. we develop a provably consistent procedure for estimating the causal structure in a linear gaussian structural equa... | arxiv:1906.00928 |
a direct reformulation of the hamiltonian formalism in terms of the intrinsic geometry of infinitely prolonged differential equations is obtained. concepts of spatial equation and spatial - gauge symmetry of a lagrangian system of equations are introduced. a non - covariant canonical variational principle is proposed a... | arxiv:2404.06606 |
all standard ai planners to - date can only handle a single objective, and the only way for them to take into account multiple objectives is by aggregation of the objectives. furthermore, and in deep contrast with the single objective case, there exists no benchmark problems on which to test the algorithms for multi - ... | arxiv:1212.5276 |
fatigue crack growth in ductile materials is primarily driven by the interaction between damaging and shielding mechanisms. in the paris regime, the predominant mechanism for retardation is plasticity - induced crack closure ( picc ). however, some of the mechanisms behind this phenomenon are still unclear. identifying... | arxiv:2409.02560 |
it is well - known that helical surface states of a three - dimensional topological insulator ( ti ) do not respond to a static in - plane magnetic field. formally this occurs because the in - plane magnetic field appears as a vector potential in the dirac hamiltonian of the surface states and can thus be removed by a ... | arxiv:1102.0349 |
a simple method to compute qed bound state properties is presented, in which binding energy effects are treated non - perturbatively. it is shown that to take the effects of all ladder coulomb photon exchanges into account, one can simply perform the derivative of standard qed amplitudes with respect to the external mo... | arxiv:hep-ph/0111380 |
of the whole class. for each semester, the students are graded on a scale of 0 to 10 based on their performance, by taking a weighted average of the grade points from all the courses, with their respective credit points. each semester evaluation is done independently and then the weighted average over all semesters is ... | https://en.wikipedia.org/wiki/Indian_Institutes_of_Technology |
gender disparities appear to be decreasing in academia according to a number of metrics, such as grant funding, hiring, acceptance at scholarly journals, and productivity, and it might be tempting to think that gender inequity will soon be a problem of the past. however, a large - scale analysis based on over eight mil... | arxiv:1211.1759 |
consensus and cluster forming of multiagent systems in the face of jamming attacks along with reactive recovery actions by a defender are discussed. the attacker is capable to disable some of the edges of the network with the objective to divide the agents into a smaller size of clusters while, in response, the defende... | arxiv:2301.11152 |
the lower solar atmosphere consists of partially ionized turbulent plasmas harbouring velocity field, magnetic field and current density fluctuations. the correlations amongst these small scale fluctuations give rise to large scale flows and magnetic fields which decisively affect all transport processes. the three flu... | arxiv:0904.3403 |
this paper studies existing direct transcription methods for trajectory optimization applied to robot motion planning. there are diverse alternatives for the implementation of direct transcription. in this study we analyze the effects of such alternatives when solving a robotics problem. different parameters such as in... | arxiv:1504.05803 |
efficient processing of long contexts has been a persistent pursuit in natural language processing. with the growing number of long documents, dialogues, and other textual data, it is important to develop long context language models ( lclms ) that can process and analyze extensive inputs in an effective and efficient ... | arxiv:2503.17407 |
this paper investigates a two - echelon inventory system with a central warehouse and n ( n > 2 ) retailers managed by a centralized information - sharing mechanism. in particular, the paper mathematically models an easy - to - implement inventory control system that facilitates making use of information. some assumpti... | arxiv:2312.03898 |
we examine the thermodynamics and stability of 5 - dimensional flat anti - de sitter ( ads ) black strings, locally asymptotically anti - de sitter spacetimes whose spatial sections are ads black holes with ricci flat horizons. we find that there is a phase transition for the flat ads black string when the ads soliton ... | arxiv:0809.1367 |
it is discussed that the classical effective medium theory for the elastic properties of random heterogeneous materials is not congruous with the effective medium theory for the electrical conductivity. in particular, when describing the elastic and electro - conductive properties of a strongly inhomogeneous two - phas... | arxiv:1912.11621 |
we consider random walks on the infinite cluster of a conditional bond percolation model on the infinite ladder graph. in a companion paper, we have shown that if the random walk is pulled to the right by a positive bias $ \ lambda > 0 $, then its asymptotic linear speed $ \ overline { \ mathrm { v } } $ is continuous ... | arxiv:1812.10776 |
the first stars hold intrinsic interest for their uniqueness and for their potential importance to galaxy formation, chemical enrichment, and feedback on the intergalactic medium ( igm ). the metal - free composition of the first stars restricts the stellar energy source to proton - proton burning rather than the more ... | arxiv:astro-ph/0206389 |
we study recurrence and non - recurrence sets for dynamical systems on compact spaces, in particular for products of rotations on the unit circle t. a set of integers is called r - bohr if it is recurrent for all products of r rotations on t, and bohr if it is recurrent for all products of rotations on t. it is a resul... | arxiv:1202.3113 |
in this paper, we prove the hydrodynamic limit for the ergodic dynamics of the facilitated exclusion process with closed boundaries in the symmetric, asymmetric and weakly asymmetric regimes. for this, we couple it with a simple exclusion process by constructing a mapping that transforms the facilitated dynamics into t... | arxiv:2502.00738 |
incorporating effective tactile sensing and mechanical compliance is key towards enabling robust and safe operation of robots in unknown, uncertain and cluttered environments. towards realizing this goal, we present a lightweight, easy - to - build, highly compliant dense geometry sensor and end effector that comprises... | arxiv:1904.02252 |
we present a systematic way to analyze and model systems having many characteristic time - scales. the method we propose is employed for a test - case of a meandering jet model manifesting chaotic tracer dispersion with long time - correlations. we first choose a suitable state space partition and analyze the symbolic ... | arxiv:nlin/0201027 |
we study the $ k = 3 $ read - rezayi quantum hall state by means of a purely bosonic matrix product state formulation, which is described in detail. we calculate the density profiles in the presence of bulk quasi - holes of six different types : one for each $ \ mathbb { z } _ 3 $ parafermion sector. from the density p... | arxiv:2412.14889 |
in this paper, we show that the mixed fractional poisson process ( mfpp ) exhibits the long - range dependence ( lrd ) property. it is proved by establishing an asymptotic result for the covariance of inverse mixed stable subordinator. also, it is shown that the increments of the mfpp, namely, the mixed fractional pois... | arxiv:1910.05854 |
we analyse slow - roll inflationary cosmologies that are holographically dual to a three - dimensional conformal field theory deformed by a nearly marginal scalar operator. we show the cosmological power spectrum is inversely proportional to the spectral density associated with the 2 - point function of the trace of th... | arxiv:1308.0331 |
graphitization of the 6h - sic ( 0001 ) surface as a function of annealing temperature has been studied by arpes, high resolution xps, and leed. for the initial stage of graphitization - the 6root3 reconstructed surface - we observe sigma - bands characteristic of graphitic sp2 - bonded carbon. the pi - bands are modif... | arxiv:cond-mat/0609383 |
simulations and theory are presented for the power spectral density functions ( psds ) of particles in time dependent and anharmonic potentials including the effects of a thermal environment leading to damping and fluctuating forces. we investigate three one dimensional perturbations to the harmonic oscillator of which... | arxiv:2305.19260 |
the hybrid tibet as array was successfully constructed in 2014. it has 4500 m $ ^ { 2 } $ underground water cherenkov pools used as the muon detector ( md ) and 789 scintillator detectors covering 36900 m $ ^ { 2 } $ as the surface array. at 100 tev, cosmic - ray background events can be rejected by approximately 99. 9... | arxiv:1712.06661 |
we consider the operator $ f ( u ) = u ' + f ( t, u ( t ) ) $ acting on periodic real valued functions. generically, critical points of $ f $ are infinite dimensional morin - like singularities and we provide operational characterizations of the singularities of different orders. a global lyapunov - schmidt decompositi... | arxiv:0710.1774 |
this involves some loss of capacity in the channel as a whole, and in the case of a large river with a considerable flow it is difficult to maintain a straight cut owing to the tendency of the current to erode the banks and form again a sinuous channel. even if the cut is preserved by protecting the banks, it is liable... | https://en.wikipedia.org/wiki/River_engineering |
mixup - based data augmentation has been validated to be a critical stage in the self - training framework for unsupervised domain adaptive semantic segmentation ( uda - ss ), which aims to transfer knowledge from a well - annotated ( source ) domain to an unlabeled ( target ) domain. existing self - training methods u... | arxiv:2303.02741 |
we quantize the particle dynamics in ads _ { n + 1 } x s ^ m spacetime in static gauge, which leads to the coordinate representation with wave functions depending only on spatial coordinates. the energy square operator is quadratic in canonical momenta and contains a scalar curvature term. we analyze the self - adjoint... | arxiv:1208.3833 |
we prove that if a uniformly recurrent infinite word contains as a factor any finite permutation of words from an infinite family, then either this word is periodic, or its complexity ( that is, the number of factors ) grows faster than linearly. this result generalizes one of the lemmas of a recent paper by de luca an... | arxiv:1510.08114 |
we use high - resolution simulations to show that the current standard paradigm for the growth of structure in the universe predicts the formation of a galaxy like our own to differ substantially from the classic els and searle / zinn pictures. on scales larger than the local group, the earliest star formation was extr... | arxiv:astro-ph/9911378 |
notions of asimulation and k - asimulation introduced in [ olkhovikov, 2011 ] are extended onto the level of predicate logic. we then prove that a first - order formula is equivalent to a standard translation of an intuitionistic predicate formula iff it is invariant with respect to k - asimulations for some k, and the... | arxiv:1202.1195 |
the most dynamically relaxed clusters of galaxies play a special role in cosmological studies as well as astrophysical studies of the intracluster medium ( icm ) and active galactic nucleus feedback. while high spatial resolution imaging of the morphology of the icm has long been the gold standard for establishing a cl... | arxiv:2403.04897 |
let ( h _ t ) be the ornstein - uhlenbeck semigroup on r ^ d with covariance matrix i and drift matrix \ lambda ( r - i ), where \ lambda > 0 and r is a skew - adjoint matrix and denote by \ gamma _ \ infty the invariant measure for ( h _ t ). semigroups of this form are the basic building blocks of ornstein - uhlenbec... | arxiv:0901.1455 |
a signed graph $ \ sigma = ( g, \ sigma ) $ consists of an underlying graph $ g = ( v, e ) $ with a sign function $ \ sigma : e \ rightarrow \ { - 1, 1 \ } $. let $ a ( \ sigma ) $ be the adjacency matrix of $ \ sigma $ and $ \ lambda _ 1 ( \ sigma ) $ denote the largest eigenvalue ( index ) of $ \ sigma $. define $ ( ... | arxiv:2405.11214 |
we prove that every $ n $ - point metric space of negative type ( and, in particular, every $ n $ - point subset of $ l _ 1 $ ) embeds into a euclidean space with distortion $ o ( \ sqrt { \ log n } \ cdot \ log \ log n ) $, a result which is tight up to the iterated logarithm factor. as a consequence, we obtain the be... | arxiv:math/0508154 |
we consider a one - parameter family of expanding interval maps $ \ { t _ { \ alpha } \ } _ { \ alpha \ in [ 0, 1 ] } $ ( japanese continued fractions ) which include the gauss map ( $ \ alpha = 1 $ ) and the nearest integer and by - excess continued fraction maps ( $ \ alpha = { 1 / 2 }, \ alpha = 0 $ ). we prove that... | arxiv:math/0601576 |
even though the hubble constant cannot be significantly determined by the low - redshift baryon acoustic oscillation ( bao ) data alone, it can be tightly constrained once the high - redshift bao data are combined. combining bao data from 6dfgs, boss dr11 clustering of galaxies, wigglez and $ z = 2. 34 $ from boss dr11... | arxiv:1409.6119 |
we introduce a human - compatible reinforcement - learning approach to a cooperative game, making use of a third - party hand - coded human - compatible bot to generate initial training data and to perform initial evaluation. our learning approach consists of imitation learning, search, and policy iteration. our traine... | arxiv:2011.14124 |
context. the planetary transits and oscillations of stars ( plato ) mission will observe the same area of the sky continuously for at least two years in an effort to detect transit signals of an earth - like planet orbiting a solar - like star. aims. we aim to study how short - term solar - like variability caused by o... | arxiv:2410.20077 |
consider an impurity particle injected in a degenerate one - dimensional gas of noninteracting fermions ( or, equivalently, tonks - girardeau bosons ) with some initial momentum $ p _ 0 $. we examine the infinite - time value of the momentum of the impurity, $ p _ \ infty $, as a function of $ p _ 0 $. a lower bound on... | arxiv:1308.6260 |
we propose a pair of completely data - driven algorithms for unsupervised classification and dimension reduction, and we empirically study their performance on a number of data sets, both simulated data in three - dimensions and images from the coil - 20 data set. the algorithms take as input a set of points sampled fr... | arxiv:2411.19902 |
math word problem ( mwp ) is a challenging and critical task in natural language processing. many recent studies formalize mwp as a generation task and have adopted sequence - to - sequence models to transform problem descriptions to mathematical expressions. however, mathematical expressions are prone to minor mistake... | arxiv:2109.03034 |
motivated by the experiments of heavy flavor physics at running lhc and upgrading superkekb / belle - ii in the future, the nonleptonic $ b ^ { \ ast } _ { ( s ) } \ to m _ 1 m _ 2 $ $ ( m = d $, $ d _ s $, $ \ pi $, $ k ) $ weak decays are studied in this paper. the amplitudes are calculated with factorization approac... | arxiv:1605.01630 |
we present magnetohydrodynamical simulations of a strong accretion onto magnetized proto - neutron stars for the kesteven 79 ( kes 79 ) scenario. the supernova remnant kes 79, observed with the chandra acis - i instrument during approximately 8. 3 h, is located in the constellation aquila at a distance of 7. 1 kpc in t... | arxiv:1607.05652 |
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