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recent work has established that large informatics graphs such as social and information networks have non - trivial tree - like structure when viewed at moderate size scales. here, we present results from the first detailed empirical evaluation of the use of tree decomposition ( td ) heuristics for structure identific... | arxiv:1411.1546 |
in this paper we present a unified picture concerning lie - trotter method for solving a large class of semilinear problems : nonlinear schr \ " odinger, schr \ " oginger - - poisson, gross - - pitaevskii, etc. this picture includes more general schemes such as strang and ruth - - yoshida. the convergence result is pre... | arxiv:1211.5111 |
identifying a general quasi - local notion of energy - momentum and angular momentum would be an important advance in general relativity with potentially important consequences for mathematical and astrophysical studies in general relativity. in this paper we study a promising approach to this problem first proposed by... | arxiv:2308.10906 |
impulsive solar energetic particle ( sep ) events originate from the energy dissipation process in small solar flares. anomalous abundances in impulsive sep events provide an evidence on unique, yet unclear, acceleration mechanism. the pattern of heavy - ion enhancements indicates that the temperature of the source pla... | arxiv:1712.07285 |
in this paper we formulate a corporate bond ( cb ) pricing model for deriving the term structure of default probabilities ( tsdp ) and the recovery rate ( rr ) for each pair of industry factor and credit rating grade, and these derived tsdp and rr are regarded as what investors imply in forming cb prices in the market ... | arxiv:1206.4766 |
one key challenge in multi - document summarization is to capture the relations among input documents that distinguish between single document summarization ( sds ) and multi - document summarization ( mds ). few existing mds works address this issue. one effective way is to encode document positional information to as... | arxiv:2209.05929 |
let $ r, n $ be two natural numbers and let $ h ( r, n ) $ denote the maximal absolute value of $ r $ th coefficient of divisors of $ x ^ n - 1 $. in this paper, we show that $ \ sum _ { n \ leq x } h ( r, n ) $ is asymptotically equal to $ c ( r ) x ( \ log x ) ^ { 2 ^ r - 1 } $ for some constant $ c ( r ) > 0 $. furt... | arxiv:1710.10491 |
we examine the implications of several parameterizations of so - called target mass corrections ( tmcs ) for the physics of parity - violating deeply inelastic scattering ( dis ), especially at high values of the momentum fraction x. we consider the role played by perturbative corrections in alpha _ s in modifying tmcs... | arxiv:1102.1106 |
self - supervised learning methods overcome the key bottleneck for building more capable ai : limited availability of labeled data. however, one of the drawbacks of self - supervised architectures is that the representations that they learn are implicit and it is hard to extract meaningful information about the encoded... | arxiv:2207.02972 |
negation is a fundamental linguistic concept used by humans to convey information that they do not desire. despite this, minimal research has focused on negation within text - guided image editing. this lack of research means that vision - language models ( vlms ) for image editing may struggle to understand negation, ... | arxiv:2409.06481 |
we prove that for any semi - norm $ \ | \ cdot \ | $ on $ \ mathbb { r } ^ n, $ and any symmetric convex body $ k $ in $ \ mathbb { r } ^ n, $ \ begin { equation } \ label { ineq - abs2 } \ int _ { \ partial k } \ frac { \ | n _ x \ | ^ 2 } { \ langle x, n _ x \ rangle } \ leq \ frac { 1 } { | k | } \ left ( \ int _ { ... | arxiv:2004.06103 |
studying the physical conditions structuring the young circumstellar disks is required for understanding the onset of planet formation. of particular interest is the protoplanetary disk surrounding the herbig star mwc480. the structure and properties of the circumstellar disk of mwc480 are studied by infrared interfero... | arxiv:1709.08921 |
we consider the fundamental problems of determining the rooted and global edge and vertex connectivities ( and computing the corresponding cuts ) in directed graphs. for rooted ( and hence also global ) edge connectivity with small integer capacities we give a new randomized monte carlo algorithm that runs in time $ \ ... | arxiv:2104.07205 |
simultaneous localization and mapping ( slam ) techniques can be used to navigate the visually impaired, but the development of robust slam solutions for crowded spaces is limited by the lack of realistic datasets. to address this, we introduce incrowd - vi, a novel visual - inertial dataset specifically designed for h... | arxiv:2411.14358 |
across the entire dataset. | arxiv:2311.00072 |
motivated by recent experiments showing the buckling of microtubules in cells, we study theoretically the mechanical response of, and force propagation along elastic filaments embedded in a non - linear elastic medium. we find that, although embedded microtubules still buckle when their compressive load exceeds the cri... | arxiv:0709.2344 |
reddit administrators have generally struggled to prevent or contain such discourse for several reasons including : ( 1 ) the inability for a handful of human administrators to track and react to millions of posts and comments per day and ( 2 ) fear of backlash as a consequence of administrative decisions to ban or qua... | arxiv:1906.11932 |
two - dimensional ( 2d ) tin ( ii ) monosulfide ( sns ) with strong structural anisotropy has been proven to be a phosphorene analogue. however, difficulty in isolating very thin layer of sns pose challenges in practical utilization. here, we prepare ultrathin sns via liquid phase exfoliation. with transmission electro... | arxiv:1811.00209 |
in this paper, we introduce adaptive cluster lasso ( acl ) method for variable selection in high dimensional sparse regression models with strongly correlated variables. to handle correlated variables, the concept of clustering or grouping variables and then pursuing model fitting is widely accepted. when the dimension... | arxiv:1603.03724 |
with decentralized optimization having increased applications in various domains ranging from machine learning, control, sensor networks, to robotics, its privacy is also receiving increased attention. existing privacy - preserving approaches for decentralized optimization achieve privacy preservation by patching decen... | arxiv:2207.05350 |
we present results for the chemical evolution of the galactic bulge in the context of an inside - out formation model of the galaxy. a supernova - driven wind was also included in analogy with elliptical galaxies. new observations of chemical abundance ratios and metallicity distribution have been employed in order to ... | arxiv:astro-ph/0611650 |
for a targeted separation process is usually based on few requirements. membranes have to provide enough mass transfer area to process large amounts of feed stream. the selected membrane has to have high selectivity ( rejection ) properties for certain particles ; it has to resist fouling and to have high mechanical st... | https://en.wikipedia.org/wiki/Membrane_technology |
recently, it has been shown that there is a trade - off relation between thermodynamic cost and current fluctuations, referred to as the thermodynamic uncertainty relation ( tur ). the tur has been derived for various processes, such as discrete - time markov jump processes and overdamped langevin dynamics. for underda... | arxiv:1907.06221 |
while deep learning has outperformed other methods for various tasks, theoretical frameworks that explain its reason have not been fully established. to address this issue, we investigate the excess risk of two - layer relu neural networks in a teacher - student regression model, in which a student network learns an un... | arxiv:2205.14818 |
an equitable graph coloring is a proper vertex coloring of a graph g where the sizes of the color classes differ by at most one. the equitable chromatic number is the smallest number k such that g admits such equitable k - coloring. we focus on enumerative algorithms for the computation of the equitable coloring number... | arxiv:1607.08754 |
the operators $ \ lambda _ m $ ( $ m \ in \ mathbb { n } \ cup \ { 0 \ } $ ) arise when one studies the action of the beurling - ahlfors transform on certain radial function subspaces. it is known that the weak - type $ ( 1, 1 ) $ constant of $ \ lambda _ 0 $ is equal to $ 1 / \ ln ( 2 ) \ approx 1. 44 $. we construct ... | arxiv:2411.09340 |
recent years have seen an increased interest in the question of whether the gravitational action of planets could have an influence on the solar dynamo. without discussing the observational validity of the claimed correlations, we ask for a possible physical mechanism that might link the weak planetary forces with sola... | arxiv:1511.09335 |
we have started high precision photometric monitoring observations at the aiu jena observatory in grossschwabhausen near jena in fall 2006. we used a 25 cm cassegrain telescope equipped with a ccd - camera mounted picky - pack on a 90 cm telescope. to test the obtainable photometric precision, we observed stars with kn... | arxiv:0812.3549 |
we consider the $ d $ - dimensional nonlinear schr \ " odinger equation under periodic boundary conditions : $ - i \ dot u = - \ delta u + v ( x ) * u + \ ep \ frac { \ p f } { \ p \ bar u } ( x, u, \ bar u ), \ quad u = u ( t, x ), x \ in \ t ^ d $ where $ v ( x ) = \ sum \ hat v ( a ) e ^ { i \ sc { a, x } } $ is an ... | arxiv:0709.2393 |
the solar neighborhood is the closest and most easily studied sample of the galactic interstellar medium, an understanding of which is essential for models of star formation and galaxy evolution. observations of an unexpectedly intense diffuse flux of easily - absorbed 1 / 4 kev x rays, coupled with the discovery that ... | arxiv:1407.7539 |
we compute the quark number susceptibilities in two flavor qcd for staggered fermions by adding the chemical potential as a lagrange multiplier for the point - split number density term. since lesser number of quark propagators are required at any order, this method leads to faster computations. we propose a subtractio... | arxiv:1112.5428 |
the stochastic hodgkin - huxley neurons considered in this paper replace time - constant deterministic input $ a dt $ of the classical deterministic model by increments $ \ vartheta dt + dx _ t $ of a stochastic process : $ x $ is ornstein - uhlenbeck with volatility $ \ sigma > 0 $ and backdriving force $ \ tau > 0 $,... | arxiv:2203.16160 |
in this paper we study problems of drawing graphs in the plane using edge length constraints and angle optimization. specifically we consider the problem of maximizing the minimum angle, the mma problem. we solve the mma problem using a spring - embedding approach where two forces are applied to the vertices of the gra... | arxiv:1211.4927 |
we develop a linear one - sex dynamical model of human population reproduction through marriage. in our model, we assume that a woman can repeatedly marry and divorce but only married women produce children. the iterative marriage process is formulated by a three - state compartmental model, which is described by the s... | arxiv:2505.01727 |
given a group with at least two more generators than relations, we give an effective estimate on the minimal index of a subgroup with a nonabelian free quotient. we show that the index is bounded by a polynomial in the length of the relator word. we also provide a lower bound on the index. | arxiv:0905.2713 |
this paper presents improved constraints on the low - mass stellar initial mass function ( imf ) of the bo \ " otes i ( boo ~ i ) ultrafaint dwarf galaxy, based on our analysis of recent deep imaging from the hubble space telescope. the identification of candidate stellar members of boo ~ i in the photometric catalog p... | arxiv:2209.10461 |
a subfamily $ \ mathcal { g } \ subseteq \ mathcal { f } \ subseteq 2 ^ { [ n ] } $ of sets is a non - induced ( weak ) copy of a poset $ p $ in $ \ mathcal { f } $ if there exists a bijection $ i : p \ rightarrow \ mathcal { g } $ such that $ p \ le _ p q $ implies $ i ( p ) \ subseteq i ( q ) $. in the case where in ... | arxiv:2003.04282 |
we consider the enhancement of sl ( 2, r ) to virasoro algebra in a system of n particles on ads2. we restrict our discussion to the case of non - interacting particles, and argue that they must be treated as fermions. we find operators l _ n whose commutators on the ground state, | vac >, satisfy relations that are re... | arxiv:hep-th/0104142 |
gauss - bonnet gravity provides one of the most promising frameworks to study curvature corrections to the einstein action in supersymmetric string theories, while avoiding ghosts and keeping second order field equations. although schwarzschild - type solutions for gauss - bonnet black holes have been known for long, t... | arxiv:0712.3546 |
we have investigated the electronic states and spin polarization of half - metallic ferromagnet cro $ _ 2 $ ( 100 ) epitaxial films by bulk - sensitive spin - resolved photoemission spectroscopy with a focus on non - quasiparticle ( nqp ) states derived from electron - magnon interactions. we found that the averaged va... | arxiv:1711.01781 |
it is shown that the sum of stress - energy tensors of the electromagnetic and gravitational fields, the acceleration field and the pressure field inside a stationary uniform spherical body within the framework of relativistic uniform model vanishes. this fact significantly simplifies solution of equation for the metri... | arxiv:2110.00342 |
in this paper we deal with the multiplicity and concentration of positive solutions for the following fractional schr \ " odinger - kirchhoff type equation \ begin { equation * } m \ left ( \ frac { 1 } { \ varepsilon ^ { 3 - 2s } } \ iint _ { \ mathbb { r } ^ { 6 } } \ frac { | u ( x ) - u ( y ) | ^ { 2 } } { | x - y ... | arxiv:1705.00702 |
computational grids that couple geographically distributed resources are becoming the de - facto computing platform for solving large - scale problems in science, engineering, and commerce. software to enable grid computing has been primarily written for unix - class operating systems, thus severely limiting the abilit... | arxiv:cs/0402017 |
efficient medical image segmentation aims to provide accurate pixel - wise predictions for medical images with a lightweight implementation framework. however, lightweight frameworks generally fail to achieve superior performance and suffer from poor generalizable ability on cross - domain tasks. in this paper, we expl... | arxiv:2207.12995 |
non - locality is crucial to understand the plastic flow of an amorphous material, and has been successfully described by the fluidity, along with a cooperativity length scale { \ xi }. we demonstrate, by applying the scaling hypothesis to the yielding transition, that non - local effects in non - uniform stress config... | arxiv:1607.07290 |
we investigate the statistics of phase fluctuations of an acoustic wave propagating through a turbulent flow in line of sight ( los ) configuration. experiments are performed on a closed von karman swirling flow whose boundaries are maintained at a constant temperature. in particular, we analyze the root mean square ( ... | arxiv:2211.09264 |
management of a portfolio that includes an illiquid asset is an important problem of modern mathematical finance. one of the ways to model illiquidity among others is to build an optimization problem and assume that one of the assets in a portfolio can not be sold until a certain finite, infinite or random moment of ti... | arxiv:1512.06295 |
we present a gradient - based theoretical framework for predicting hydrogen assisted fracture in elastic - plastic solids. the novelty of the model lies in the combination of : ( i ) stress - assisted diffusion of solute species, ( ii ) strain gradient plasticity, and ( iii ) a hydrogen - sensitive phase field fracture... | arxiv:2007.07093 |
we formulate noncommutative three - dimensional ( 3d ) gravity by making use of its connection with 3d chern - simons theory. in the euclidean sector, we consider the particular example of topology $ t ^ 2 \ times r $ and show that the 3d black hole solves the noncommutative equations. we then consider the black hole o... | arxiv:hep-th/0104264 |
the work is devoted to the development of an information system isanm that will be useful for teaching students and applicable in the work of engineers and researchers for automating the analysis of colloidal structure morphology. the isanm system integrates various analysis methods and is designed prioritize usability... | arxiv:2411.05674 |
in this paper, we consider a general subclass of analytic and bi - univalent functions in the open unit disk in the complex plane. making use of the chebyshev polynomials, we obtain upper bound estimate for the second hankel determinant for this function class. | arxiv:1702.06826 |
we introduce a deconstructed model that incorporates both higgsless and top - color mechanisms. the model alleviates the typical tension in higgsless models between obtaining the correct top quark mass and keeping delta - rho small. it does so by singling out the top quark mass generation as arising from a yukawa coupl... | arxiv:1002.2376 |
in the large - n limit of d = 4, n = 4 gauge theory, the dual ads spacetime becomes flat. we identify a gauge theory correlator whose large - n limit is the flat spacetime s - matrix. | arxiv:hep-th/9901076 |
in this paper, we address the discrete - time average consensus problem in strongly connected directed graphs, where nodes exchange information over unreliable error - prone communication links. we enhance the robustified ratio consensus algorithm by exploiting features of the ( hybrid ) automatic repeat request - ( h ... | arxiv:2209.14699 |
i used the 2. 4 m hiltner telescope at mdm observatory in an attempt to measure trigonometric parallaxes for 14 cataclysmic variable stars. techniques are described in detail. in the best cases the parallax uncertainties are below 1 mas, and significant parallaxes are found for most of the program stars. a bayesian met... | arxiv:astro-ph/0308516 |
we introduce a new stata package called summclust that summarizes the cluster structure of the dataset for linear regression models with clustered disturbances. the key unit of observation for such a model is the cluster. we therefore propose cluster - level measures of leverage, partial leverage, and influence and sho... | arxiv:2205.03288 |
the study of mutual entropy ( information ) and capacity in classica l system was extensively done after shannon by several authors like kolmogor ov and gelfand. in quantum systems, there have been several definitions of t he mutual entropy for classical input and quantum output. in 1983, the autho r defined the fully ... | arxiv:quant-ph/9806042 |
the concept of residual migration to zero offset is introduced for the case that a prestack migration and a subsequent residual moveout analysis have been performed for a seismic survey and a new depth model has not yet been determined. travel times of reflected events for individual traces are determined for diffracti... | arxiv:2111.09371 |
quadratic nodal point ( qnp ) in two dimensions has so far been reported only in nonmagnetic materials and in the absence of spin - orbit coupling. here, by first - principles calculations and symmetry analysis, we predict stable qnp near fermi level in a two - dimensional kagome metal - organic framework material, cr ... | arxiv:2310.11810 |
the last decade has seen a significant increase in the number of studies devoted to wave turbulence. many deal with water waves, as modeling of ocean waves has historically motivated the development of weak turbulence theory, which adresses the dynamics of a random ensemble of weakly nonlinear waves in interaction. rec... | arxiv:2107.04015 |
forecasting, to estimate future events, is crucial for business and decision - making. this paper proposes qxeai, a methodology that produces a probabilistic forecast that utilizes a quantum - like evolutionary algorithm based on training a quantum - like logic decision tree and a classical value tree on a small number... | arxiv:2405.03701 |
features of rheological laws applied to solid - like granular materials are recalled and confronted to microscopic approaches via discrete numerical simulations. we give examples of model systems with very similar equilibrium stress transport properties - - the much - studied force chains and force distribution - - but... | arxiv:0901.2846 |
our recently developed variant of variationnally optimized perturbation ( opt ), in particular consistently incorporating renormalization group properties ( rgopt ), is adapted to the calculation of the qcd spectral density of the dirac operator and the related chiral quark condensate $ \ langle \ bar q q \ rangle $ in... | arxiv:1506.07506 |
we investigate the minimization of the energy per point $ e \ _ f $ among $ d $ - dimensional bravais lattices, depending on the choice of pairwise potential equal to a radially symmetric function $ f ( | x | ^ 2 ) $. we formulate criteria for minimality and non - minimality of some lattices for $ e \ _ f $ at fixed sc... | arxiv:1806.02233 |
simulation has become an essential component of designing and developing scientific experiments. the conventional procedural approach to coding simulations of complex experiments is often error - prone, hard to interpret, and inflexible, making it hard to incorporate changes such as algorithm updates, experimental prot... | arxiv:2304.03421 |
convolutional neural network ( cnn ) has achieved state - of - the - art performance in many different visual tasks. learned from a large - scale training dataset, cnn features are much more discriminative and accurate than the hand - crafted features. moreover, cnn features are also transferable among different domain... | arxiv:1601.07977 |
in this paper we provide an analytical procedure for explicit calculation of the left and right invariant vector fields and one - forms on su ( n ) manifold. the calculations are based on the coset parametrization of su ( n ) group. the results enable us to calculate the invariant measure or haar measure on the group. ... | arxiv:1003.2708 |
language models for code ( codelms ) have emerged as powerful tools for code - related tasks, outperforming traditional methods and standard machine learning approaches. however, these models are susceptible to security vulnerabilities, drawing increasing research attention from domains such as software engineering, ar... | arxiv:2410.15631 |
generative ai technologies are gaining unprecedented popularity, causing a mix of excitement and apprehension through their remarkable capabilities. in this paper, we study the challenges associated with deploying synthetic data, a subfield of generative ai. our focus centers on enterprise deployment, with an emphasis ... | arxiv:2307.04208 |
we study a parabolic differential equation whose solution represents the atom dislocation in a crystal for a general type of peierls - nabarro model with possibly long range interactions and an external stress. differently from the previous literature, we treat here the case in which such dislocation is not the superpo... | arxiv:1407.0620 |
the interaction of electron - hole pairs with lattice vibrations exhibits a wealth of intriguing physical phenomena. the kohn anomaly is a renowned example where electron - phonon coupling leads to non - analytic phonon dispersion at specific momentum nesting the fermi surface. here we report evidence of another type o... | arxiv:0712.3879 |
we present 0 ". 035 resolution ( ~ 200 pc ) imaging of the 158 um [ cii ] line and the underlying dust continuum of the z = 6. 9 quasar j234833. 34 - 305410. 0. the 18 h alma observations reveal extremely compact emission ( diameter ~ 1 kpc ) that is consistent with a simple, almost face - on, rotation - supported disk... | arxiv:2201.06396 |
reinforcement learning ( rl ) has demonstrated a great potential for automatically solving decision - making problems in complex uncertain environments. rl proposes a computational approach that allows learning through interaction in an environment with stochastic behavior, where agents take actions to maximize some cu... | arxiv:2001.09957 |
firstly, we shall introduce the so - called snapping out walsh ' s brownian motion and present its relation with walsh ' s brownian motion. then the stiff problem related to walsh ' s brownian motion will be described and we shall build a phase transition for it. the snapping out walsh ' s brownian motion corresponds t... | arxiv:1805.08158 |
fast - converging algorithms are a contemporary requirement in reinforcement learning. in the context of linear function approximation, the magnitude of the smallest eigenvalue of the key matrix is a major factor reflecting the convergence speed. traditional value - based rl algorithms focus on minimizing errors. this ... | arxiv:2411.06396 |
the main aim of this paper is to investigate $ \ left ( h _ { p }, l _ { p } \ right ) $ and $ \ left ( h _ { p }, l _ { p, \ infty } \ right ) $ type inequalities for maximal operators of riesz logarithmic means of one - dimensional vilenkin - fourier series. | arxiv:1410.7975 |
we present vivace, the virac variable classification ensemble, a catalogue of variable stars extracted from an automated classification pipeline for the vista variables in the v \ ' ia l \ ' actea ( vvv ) infrared survey of the galactic bar / bulge and southern disc. our procedure utilises a two - stage hierarchical cl... | arxiv:2110.15371 |
cataclysmic variable sdss j143317. 78 + 101123. 3 with p = 0. 054241 d ( 78. 1 - min ) was suspected to be a possible dwarf nova of wz sge type with the sub - stellar donor, but without detected outbursts so far. checking the newly available data from atlas survey has revealed the outburst by at least 6 magnitudes in s... | arxiv:2103.16179 |
this paper introduces dan +, a new multi - domain corpus and annotation guidelines for danish nested named entities ( nes ) and lexical normalization to support research on cross - lingual cross - domain learning for a less - resourced language. we empirically assess three strategies to model the two - layer named enti... | arxiv:2105.11301 |
we apply the method of principal value resummation of large momentum - dependent radiative corrections to the calculation of the drell yan cross section. we sum all next - to - leading logarithms and provide numerical results for the resummed exponent and the corresponding hard scattering function. | arxiv:hep-ph/9407293 |
we introduce a general model of trapping for random walks on graphs. we give the possible scaling limits of these randomly trapped random walks on $ \ mathbb { z } $. these scaling limits include the well - known fractional kinetics process, the fontes - isopi - newman singular diffusion as well as a new broad class we... | arxiv:1302.7227 |
irreversible entropy production ( iep ) plays an important role in quantum thermodynamic processes. here we investigate the geometrical bounds of iep in nonequilibrium thermodynamics by exemplifying a system coupled to a squeezed thermal bath subject to dissipation and dephasing, respectively. we find that the geometri... | arxiv:2204.08260 |
in this work, we study the existence, multiplicity and concentration of positive solutions for the following class of quasilinear problem : \ [ - \ delta _ { \ phi } u + v ( \ epsilon x ) \ phi ( \ vert u \ vert ) u = f ( u ) \ quad \ mbox { in } \ quad \ mathbb { r } ^ { n }, \ ] where $ \ phi ( t ) = \ int _ { 0 } ^ ... | arxiv:1506.05331 |
the two - dimensional boron monolayers were reported to be metallic both in previous theoretical predictions and experimental observations, however, we have firstly found a family of boron monolayers with the novel semiconducting property as confirmed by the first - principles calculations with the quasi - particle g0w... | arxiv:1707.09736 |
online social networks provide a platform for sharing information and free expression. however, these networks are also used for malicious purposes, such as distributing misinformation and hate speech, selling illegal drugs, and coordinating sex trafficking or child exploitation. this paper surveys the state of the art... | arxiv:2009.10311 |
informally, the erd \ h { o } s - hajnal conjecture ( shortly eh - conjecture ) asserts that if a sufficiently large host clique on $ n $ vertices is edge - coloured avoiding a copy of some fixed edge - coloured clique, then there is a large homogeneous set of size $ n ^ \ beta $ for some positive $ \ beta $, where a s... | arxiv:2311.03249 |
we re - fit for the neutrino mass - squared difference $ \ delta m ^ 2 $ in the threefold maximal ( ie. tri - maximal ) mixing scenario using recent chooz and super - k data, taking account of matter effects in the earth. while matter effects have little influence on reactor experiments and proposed long - baseline acc... | arxiv:hep-ph/9904297 |
the recent results ( pardo & poretti 1997, a & a 324, 121 ; poretti & pardo 1997, a & a 324, 133 ) obtained on the frequency content of double - mode cepheids light curves and the properties of their fourier parameters are reviewed. some points briefly discussed in previous papers ( no third periodicity, methodological... | arxiv:astro-ph/9711024 |
the nonlinear scalar field model of space - time film ( born - - infeld type nonlinear scalar field model ) is considered. its spherically symmetrical solution is obtained. this solution gives the class of moving solitary solutions or solitons with the lorentz transformation. we consider the distant interaction between... | arxiv:1804.09022 |
abstract meaning representation ( amr ) provides many information of a sentence such as semantic relations, coreferences, and named entity relation in one representation. however, research on amr parsing for indonesian sentence is fairly limited. in this paper, we develop a system that aims to parse an indonesian sente... | arxiv:2103.03730 |
braces were introduced by w. rump in 2006 as an algebraic system related to the quantum yang - baxter equation. in 2017, l. guarnieri and l. vendramin defined for the same purposes a more general notion of a skew left brace. recently, l. guo, h. lang, y. sheng [ arxiv : 2009. 03492 ] gave a definition of what is a rota... | arxiv:2105.00428 |
given a graph $ g $, a vertex switch of $ v \ in v ( g ) $ results in a new graph where neighbors of $ v $ become nonneighbors and vice versa. this operation gives rise to an equivalence relation over the set of labeled digraphs on $ n $ vertices. the equivalence class of $ g $ with respect to the switching operation i... | arxiv:1408.4900 |
many macroeconomic policy questions may be assessed in a case study framework, where the time series of a treated unit is compared to a counterfactual constructed from a large pool of control units. i provide a general framework for this setting, tailored to predict the counterfactual by minimizing a tradeoff between u... | arxiv:1803.00096 |
we consider the problem of causal effect estimation with an unobserved confounder, where we observe a single proxy variable that is associated with the confounder. although it has been shown that the recovery of an average causal effect is impossible in general from a single proxy variable, we show that causal recovery... | arxiv:2308.04585 |
we associate to every positive braid a braid monodromy group, generalizing the geometric monodromy group of an isolated plane curve singularity. if the closure of the braid is a knot, we identify the corresponding group with a framed mapping class group. in particular, this gives a well defined knot invariant. as an ap... | arxiv:2111.08150 |
this paper is concerned with the existence of positive solutions of second - order impulsive differential equations with integral boundary conditions on an infinite interval. as an application, an example is given to demonstrate our main results. | arxiv:2005.14660 |
machine learning has made remarkable progress in a wide range of fields. in many scenarios, learning is performed on datasets involving sensitive information, in which privacy protection is essential for learning algorithms. in this work, we study pure private learning in the agnostic model - - a framework reflecting t... | arxiv:2407.20640 |
the pair correlation function is a fundamental spatial point process characteristic that, given the intensity function, determines second order moments of the point process. non - parametric estimation of the pair correlation function is a typical initial step of a statistical analysis of a spatial point pattern. kerne... | arxiv:1702.01736 |
in this work we study arrangements of $ k $ - dimensional subspaces $ v _ 1, \ ldots, v _ n \ subset \ mathbb { c } ^ \ ell $. our main result shows that, if every pair $ v _ { a }, v _ b $ of subspaces is contained in a dependent triple ( a triple $ v _ { a }, v _ b, v _ c $ contained in a $ 2k $ - dimensional space )... | arxiv:1412.0795 |
domar has given a condition that ensures the existence of the largest subharmonic minorant of a given function. later rippon pointed out that a modification of domar ' s argument gives in fact a better result. using our previous, rather general and flexible, modification of domar ' s original argument, we extend their ... | arxiv:1102.1136 |
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