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deployment of robotic systems in the real world requires a certain level of robustness in order to deal with uncertainty factors, such as mismatches in the dynamics model, noise in sensor readings, and communication delays. some approaches tackle these issues reactively at the control stage. however, regardless of the ... | arxiv:2203.01446 |
coronal waves are large - scale disturbances often driven by coronal mass ejections ( cmes ). we investigate a spectacular wave event on 7 march 2012, which is associated with an x5. 4 flare ( sol2012 - 03 - 07 ). by using a running center - median ( rcm ) filtering method for the detection of temporal variations in ex... | arxiv:2009.10872 |
we posit that to achieve superhuman agents, future models require superhuman feedback in order to provide an adequate training signal. current approaches commonly train reward models from human preferences, which may then be bottlenecked by human performance level, and secondly these separate frozen reward models canno... | arxiv:2401.10020 |
we consider the problem of $ k $ - colouring a random $ r $ - uniform hypergraph with $ n $ vertices and $ cn $ edges, where $ k $, $ r $, $ c $ remain constant as $ n $ tends to infinity. achlioptas and naor showed that the chromatic number of a random graph in this setting, the case $ r = 2 $, must have one of two ea... | arxiv:1208.0812 |
in this paper we construct a third order method for solving additively split autonomous stiff systems of ordinary differential equations. the constructed additive method is l - stable with respect to the implicit part and allows to use an arbitrary approximation of the jacobian matrix. in opposite to our previous paper... | arxiv:0902.3723 |
only by an order automorphism. for example, all order automorphisms of a power set s = 2r are induced by permutations of r. a concept defined for a partial order p will correspond to a dual concept on the dual poset pd. for instance, a minimal element of p will be a maximal element of pd : minimality and maximality are... | https://en.wikipedia.org/wiki/Duality_(mathematics) |
this two - part tutorial dives into the field of data - driven power flow linearization ( dpfl ), a domain gaining increased attention. dpfl stands out for its higher approximation accuracy, wide adaptability, and better ability to implicitly incorporate the latest system attributes. this renders dpfl a potentially sup... | arxiv:2407.02501 |
natural language generation ( nlg ) is a critical component in conversational systems, owing to its role of formulating a correct and natural text response. traditionally, nlg components have been deployed using template - based solutions. although neural network solutions recently developed in the research community h... | arxiv:2011.03877 |
, wi - fi is usually layered as a link layer below the internet layer of the internet protocol. this means that nodes have an associated internet address and, with suitable connectivity, this allows full internet access. = = = modes = = = = = = = infrastructure = = = = in infrastructure mode, which is the most common m... | https://en.wikipedia.org/wiki/Wi-Fi |
we investigate transport properties of percolating clusters generated by irreversible cooperative sequential adsorption ( csa ) on square lattices with arrhenius rates given by ki = q ^ ( ni ), where ni is the number of occupied neighbors of the site i, and q a controlling parameter. our results show a dependence of th... | arxiv:1304.4872 |
we study, by numerical simulations, the entrainment process in a supersonic, radiative jet flow, during the evolution of kelvin - helmholtz instabilities, in the context of the the acceleration problem of molecular bipolar outflows, observed in giant molecular clouds. our results show that a large fraction of the initi... | arxiv:astro-ph/0009089 |
the most massive stars, with initial masses above ~ 50m _ sun, encounter a phase of extreme mass loss - sometimes accompanied by so - called giant eruptions - in which the stars ' evolution is reversed from a redward to a blueward motion in the hrd. in this phase the stars are known as luminous blue variable ( lbvs ). ... | arxiv:astro-ph/0104214 |
content - dense news report important factual information about an event in direct, succinct manner. information seeking applications such as information extraction, question answering and summarization normally assume all text they deal with is content - dense. here we empirically test this assumption on news articles... | arxiv:1704.00440 |
several preconditioned aor methods have been proposed to solve system of linear equations $ ax = b $, where $ a \ in \ mathbb { r } ^ { n \ times n } $ is a unit z - matrix. the aim of this paper is to give a comparison result for a class of preconditioners $ p $, where $ p \ in \ mathbb { r } ^ { n \ times n } $ is no... | arxiv:1106.5087 |
the unprecedented growth of mobile data traffic challenges the performance and economic viability of today ' s cellular networks, and calls for novel network architectures and communication solutions. data offloading through third - party wifi or femtocell access points ( aps ) can effectively alleviate the cellular ne... | arxiv:1405.5641 |
in this note, we observe the behavior of gradient flow and discrete and noisy gradient descent in some simple settings. it is commonly noted that addition of noise to gradient descent can affect the trajectory of gradient descent. here, we run some computer experiments for gradient descent on some simple functions, and... | arxiv:1808.04839 |
in this paper, the top - down approach for the 6 - dimensional space has been elaborated. the connection between the cosmological constant and the extra space metric has been obtained. the metric can be found with the necessary accuracy. it is shown that descent from high energies to the low ones leads to the quantum c... | arxiv:1609.07361 |
classical relativistic system of point particles coupled with an electromagnetic field is considered in the three - dimensional representation. the gauge freedom connected with the chronometrical invariance of the four - dimensional description is reduced by use of the geometrical concept of the forms of relativistic d... | arxiv:hep-th/0005050 |
the correlation matrix ( cm ) criterion is a recently derived powerful sufficient condition for the presence of entanglement in bipartite quantum states of arbitrary dimensions. it has been shown that it can be stronger than the positive partial transpose ( ppt ) criterion, as well as the computable cross norm or reali... | arxiv:0705.2583 |
in the standard fireball model of gamma - ray bursts ( grbs ), the fireball starts with an optically thick phase. as it expands, the fireball becomes optically thin at some stage. the thermal radiation trapped in the originally opaque fireball then leaks out, producing a transient event. the appearance of the event is ... | arxiv:astro-ph/0703144 |
in this work we perform a detailed theoretical and experimental investigation of an atomic memory based on recoil - induced resonance in cold cesium atoms. we consider the interaction of a nearly degenerated pump and probe beams with an ensemble of two - level atoms. a full theoretical density matrix calculation in the... | arxiv:2112.14800 |
we present an accurate study of the static - nucleus electronic energy band gap of solid molecular hydrogen at high pressure. the excitonic and quasiparticle gaps of the $ c2 / c $, $ pc $, $ pbcn $, and $ p6 _ 3 / m $ structures at pressures of 250, 300, and 350 ~ gpa are calculated using the fixed - node diffusion qu... | arxiv:1608.00754 |
large language model ( llm ) agents have evolved to intelligently process information, make decisions, and interact with users or tools. a key capability is the integration of long - term memory capabilities, enabling these agents to draw upon historical interactions and knowledge. however, the growing memory size and ... | arxiv:2503.21760 |
in this work, we study a model in nonlinear electrodynamics in the presence of a cpt - even term that violates lorentz symmetry. the lorentz - breaking vector, in addition to the usual background magnetic field, produces interesting effects in the dispersion relations. the consequences on the vacuum refractive index an... | arxiv:2305.10914 |
edwin powel hubble is regarded as one of the most important astronomers of 20th century. in despite of his great contributions to the field of astronomy, he never received the nobel prize because astronomy was not considered as the field of the nobel prize in physics at that era. there is an anecdote about the relation... | arxiv:1705.10125 |
the onset of the " rush to the poles " of polar - crown prominences and their associated coronal emission is a harbinger of solar maximum. altrock ( solar phys. 216, 343, 2003 ) showed that the " rush " was well - observed at 1. 15 ro in the fe xiv corona at the sacramento peak site of the national solar observatory pr... | arxiv:1209.2963 |
inverse rendering of an object under entirely unknown capture conditions is a fundamental challenge in computer vision and graphics. neural approaches such as nerf have achieved photorealistic results on novel view synthesis, but they require known camera poses. solving this problem with unknown camera poses is highly ... | arxiv:2205.15768 |
suppose $ \ mathcal { a } $ is a separable unital ash c * - algebra, $ \ mathcal { r } $ is a sigma - finite ii $ _ { \ infty } $ factor von neumann algebra, and $ \ pi, \ rho : \ mathcal { a } \ rightarrow \ mathcal { r } $ are unital $ \ ast $ - homomorphisms such that, for every $ a \ in \ mathcal { a } $, the range... | arxiv:2008.06619 |
we introduce a continuous time - reversal operation which connects the time - forward and time - reversed trajectories in the steady state of an irreversible markovian dynamics via a continuous family of stochastic dynamics. this continuous time - reversal allows us to derive a tighter version of the thermodynamic unce... | arxiv:2010.14769 |
stellar rotation plays a key role in stellar activity. the rotation period could be detected through light curve variations caused by starspots. kepler provides two types of light curves, one is the pre - search data conditioning ( pdc ) light curves, the other is the simple aperture photometer ( sap ) light curves. co... | arxiv:1909.00189 |
the paper presents an experimental study of the temporal behaviour of a bistable vertical cavity surface emitting laser ( vcsel ) under the effect of optical feedback coming from vibrating diffusely - reflecting surface. we demonstrate that a vcsel operating in the regime of polarization switchings caused by self - mix... | arxiv:1805.03627 |
by reducing the number of global synchronization bottlenecks per iteration and hiding communication behind useful computational work, pipelined krylov subspace methods achieve significantly improved parallel scalability on present - day hpc hardware. however, this typically comes at the cost of a reduced maximal attain... | arxiv:1706.05988 |
$ \ sim 6 \ % $ of all known pulsars have been observed to exhibit sudden spin - up events, known as glitches. for more than fifty years, these phenomena have played an important role in helping to understand pulsar ( astro ) physics. based on the review of pulsar glitches search method, the progress made in observatio... | arxiv:2211.13885 |
effective surface - passivation of pbs nanocrystals in aqueous colloidal solution has been achieved following treatment with cds precursors. the resultant photoluminescent emission displays two distinct components, one originating from the absorption band - edge and the other from above the absorption band - edge. we s... | arxiv:cond-mat/0306310 |
we investigate geodesics in non - homogeneous vacuum pp - wave solutions and demonstrate their chaotic behavior by rigorous analytic and numerical methods. for the particular class of solutions considered, distinct " outcomes " ( channels to infinity ) are identified, and it is shown that the boundary between different... | arxiv:gr-qc/9809065 |
we present a method for controlling a simulated humanoid to grasp an object and move it to follow an object trajectory. due to the challenges in controlling a humanoid with dexterous hands, prior methods often use a disembodied hand and only consider vertical lifts or short trajectories. this limited scope hampers thei... | arxiv:2407.11385 |
quantum system abruptly driven from its stationary phase can reveal nontrivial dynamics upon approaching a new final state. we investigate here such dynamics for a correlated quantum dot sandwiched between the metallic and superconducting leads, considering two types of quenches feasible experimentally. in particular, ... | arxiv:2007.10747 |
the design of scalable and robust overlay topologies has been a main research subject since the very origins of peer - to - peer ( p2p ) computing. today, the corresponding optimization tradeoffs are fairly well - understood, at least in the static case and from a worst - case perspective. this paper revisits the peer ... | arxiv:1309.3319 |
one of the most popular training algorithms for deep neural networks is the adaptive moment estimation ( adam ) introduced by kingma and ba. despite its success in many applications there is no satisfactory convergence analysis : only local convergence can be shown for batch mode under some restrictions on the hyperpar... | arxiv:2210.02070 |
it is shown that the set of orbits of the action of the elementary symplectic transvection group on all unimodular elements of a symplectic module over a commutative ring of characteristic not 2 is identical with the set of orbits of the action of the corresponding elementary transvection group. this result is used to ... | arxiv:1108.1288 |
recent advancements in visual speech recognition ( vsr ) have promoted progress in lip - to - speech synthesis, where pre - trained vsr models enhance the intelligibility of synthesized speech by providing valuable semantic information. the success achieved by cascade frameworks, which combine pseudo - vsr with pseudo ... | arxiv:2502.12002 |
as vision - language models like clip are widely applied to zero - shot tasks and gain remarkable performance on in - distribution ( id ) data, detecting and rejecting out - of - distribution ( ood ) inputs in the zero - shot setting have become crucial for ensuring the safety of using such models on the fly. most exis... | arxiv:2406.01170 |
foreshock transients are ion kinetic structures in the ion foreshock. due to their dynamic pressure perturbations, they can disturb the bow shock and magnetosphere - ionosphere system. they can also accelerate particles contributing to shock acceleration. however, it is still unclear how exactly they form. recent parti... | arxiv:2008.12383 |
we present here the precise wavelength calibration of a high - resolution spectrum using uranium ( u ) lines in the wavelength range of 3809 - 6833 \ aa \ for precision radial velocity measurements for exoplanet detection or related astrophysical sciences. we identify 1540 well - resolved u lines from a high - resoluti... | arxiv:2105.12942 |
we study asymptotic behavior of maximum likelihood estimator for a time inhomogeneous diffusion process given by a sde $ dx _ t = \ alpha b ( t ) x _ t dt + \ sigma ( t ) db _ t $, $ t \ in [ 0, t ) $, with a parameter $ \ alpha \ in r $, where $ t \ in ( 0, \ infty ] $ and $ ( b _ t ) _ { t \ in [ 0, t ) } $ is a stan... | arxiv:0810.2688 |
as we know, there is a controversy about the decision making under risk between economists and psychologists. we discuss to build a unified theory of risky choice, which would explain both of compensatory and non - compensatory theories. for risky choice, according to cognition ability, we argue that people could not b... | arxiv:1701.08567 |
we describe a finite quantum groupoid associated to any finite vect _ k enriched herd. | arxiv:1005.2653 |
we analyze the evolution of the effective potential and the particle spectrum of two - parameter families of non - integrable quantum field theories. these theories are defined by deformations of conformal minimal models m _ m by using the operators phi _ { 1, 3 }, phi _ { 1, 2 } and phi _ { 2, 1 }. this study extends ... | arxiv:0901.3537 |
thermoelectric ( te ) measurements have been performed on the workhorses of today ' s data storage devices, exhibiting either the giant or the anisotropic magnetoresistance effect ( gmr and amr ). the temperature - dependent ( 50 - 300 k ) and magnetic field - dependent ( up to 1 t ) te power factor ( pf ) has been det... | arxiv:1701.00404 |
the nuclear matter parameters define the nuclear equation of state ( eos ), they appear as coefficients of expansion around the saturation density of symmetric and asymmetric nuclear matter. we review their correlations with several properties of finite nuclei and of neutron stars within mean - field frameworks. the lo... | arxiv:2006.05758 |
robustness and accuracy are two critical metrics for industrial inspection. in this paper, we propose benchmarks that can evaluate the structured light method ' s performance. our evaluation metric was learning from a lot of inspection tasks from the factories. the metric we proposed consists of four detailed criteria ... | arxiv:2207.00796 |
this paper clarifies the picture about dense - choice counter machines, which have been less studied than ( discrete ) counter machines. we revisit the definition of " dense counter machines " so that it now extends ( discrete ) counter machines, and we provide new undecidability and decidability results. using the fir... | arxiv:0911.3405 |
in this paper, we study the ground state quantum fisher information ( qfi ) in one - dimensional spin - 1 models, as witness to multipartite entanglement. the models addressed are the bilinear - biquadratic model, the most general isotropic su ( 2 ) - invariant spin - 1 chain, and the xxz spin - 1 chain, both with near... | arxiv:2307.02407 |
reversible computation is gaining increasing relevance in the context of several post - cmos technologies, the most prominent of those being quantum computing. one of the key theoretical problem pertaining to reversible logic synthesis is the upper bound of the gate count. compared to the known bounds, the results obta... | arxiv:1602.00101 |
exploiting sparsity in semidefinite programs ( sdp ) is critical to solving large - scale problems. the chordal completion based maximal clique decomposition is the preferred approach for exploiting sparsity in sdps. in this paper, we show that the maximal clique - based sdp decomposition is primal degenerate when the ... | arxiv:1509.08021 |
we prove some conditions for the existence of higher dimensional algebraic fibering of group extensions. this leads to various corollaries on incoherence of groups and some geometric examples of algebraic fibers of type $ f _ n $ but not $ fp _ { n + 1 } $ of some groups including pure braid groups and families of poly... | arxiv:2205.05246 |
unraveling the 3d physical structure, the temperature and density distribution, of protoplanetary discs is an essential step if we are to confront simulations of embedded planets or dynamical instabilities. in this paper we focus on submillimeter array observations of the edge - on source, gomez ' s hamburger, believed... | arxiv:2003.02061 |
although the autoparallel curves and the geodesics coincide in the riemannian geometry in which only the curvature is nonzero among the nonmetricity, the torsion and the curvature, they define different curves in the non - riemannian ones. we give a novel approach to autoparallel curves and geodesics for theories of th... | arxiv:1102.1878 |
using the standard square - - function method ( based on the poisson semigroup ), multiplier conditions of h \ " ormander type are derived for laguerre expansions in $ l ^ p $ - - spaces with power weights in the $ a _ p $ - range ; this result can be interpreted as an ` ` upper end point ' ' multiplier criterion which... | arxiv:math/9307203 |
in this paper, we show that the integration of a stochastic differential equations driven by g - brownian motion in r can be reduced to the integration of an ordinary differential equations parametrized by a variable in ( { \ omega }, f ). we study the sample solutions of g - sdes by an extention of g - it \ ^ o formul... | arxiv:1309.5232 |
an improved algorithm is proposed for monte carlo methods to study fermion systems interacting with adiabatical fields. to obtain a weight for each monte carlo sample with a fixed configuration of adiabatical fields, a series expansion using chebyshev polynomials is applied. by introducing truncations of matrix operati... | arxiv:cond-mat/0308298 |
behrstock, hagen, and sisto classified 3 - manifold groups admitting a hierarchically hyperbolic space structure. however, these structures were not always equivariant with respect to the group. in this paper, we classify 3 - manifold groups admitting equivariant hierarchically hyperbolic structures. the key component ... | arxiv:2206.12244 |
the spin - charge coupled dynamics in a thin, magnetized metallic system are investigated. the effective driving force acting on the charge carriers is generated by a dynamical magnetic texture, which can be induced, e. g., by a magnetic material in contact with a normal - metal system. we consider a general inversion ... | arxiv:1611.03378 |
multi - agent reinforcement learning has received significant interest in recent years notably due to the advancements made in deep reinforcement learning which have allowed for the developments of new architectures and learning algorithms. using social dilemmas as the training ground, we present a novel learning archi... | arxiv:1809.10007 |
we present the star - forming properties of 378 satellite galaxies around 101 milky way analogs in the satellites around galactic analogs ( saga ) survey, focusing on the environmental processes that suppress or quench star formation. in the saga stellar mass range of 10 ^ 6 to 10 ^ 10 solar masses, we present quenched... | arxiv:2404.14499 |
an intelligent reflecting surface ( irs ) can adaptively adjust the phase shifts of its reflecting units to strengthen the desired signal and / or suppress the undesired signal. in this letter, we investigate an irs - aided secure wireless communication system where a multi - antenna access point ( ap ) sends confident... | arxiv:1905.10770 |
we investigate a new threat to neural sequence - to - sequence ( seq2seq ) models : training - time attacks that cause models to " spin " their output and support a certain sentiment when the input contains adversary - chosen trigger words. for example, a summarization model will output positive summaries of any text t... | arxiv:2107.10443 |
image enhancement plays an important role in several application in the field of computer vision and image processing. histogram specification ( hs ) is one of the most widely used techniques for contrast enhancement of an image, which requires an appropriate probability density function for the transformation. in this... | arxiv:1805.02173 |
diffusion - based text - to - image models have demonstrated remarkable capabilities in generating realistic images, but they raise societal and ethical concerns, such as the creation of unsafe content. while concept editing is proposed to address these issues, they often struggle to balance the removal of unsafe conce... | arxiv:2503.08116 |
a fractal function is a function whose graph is the attractor of an iterated function system. this paper generalizes analytic continuation of an analytic function to continuation of a fractal function. | arxiv:1209.6100 |
inspired by a recent experiment, we study the influence of thermal fluctuations on the $ i $ - $ v $ characteristics of a josephson junction, coupled to a strongly resistive environment. we obtain analytical results in the limit where the josephson energy is larger than the charging energy and quasiparticles are absent... | arxiv:cond-mat/0304102 |
we propose a new multifractional stochastic process which allows for self - exciting behavior, similar to what can be seen for example in earthquakes and other self - organizing phenomena. the process can be seen as an extension of a multifractional brownian motion, where the hurst function is dependent on the past of ... | arxiv:1908.05523 |
in this paper we implement a local linear regression ensemble committee ( lolrec ) to predict 1 - day - ahead returns of 453 assets form the s & p500. the estimates and the historical returns of the committees are used to compute the weights of the portfolio from the 453 stock. the proposed method outperforms benchmark... | arxiv:1506.08690 |
let $ j $ and $ r $ be anti - commuting fundamental symmetries in a hilbert space $ \ mathfrak { h } $. the operators $ j $ and $ r $ can be interpreted as basis ( generating ) elements of the complex clifford algebra $ { \ mathcal c } l _ 2 ( j, r ) : = { span } \ { i, j, r, ijr \ } $. an arbitrary non - trivial funda... | arxiv:1105.2969 |
this article expands our work in [ ca16 ]. by its reliance on turing computability, the classical theory of effectivity, along with effective reducibility and weihrauch reducibility, is only applicable to objects that are either countable or can be encoded by countable objects. we propose a notion of effectivity based ... | arxiv:1811.11630 |
the reaction - diffusion master equation ( rdme ) is a lattice stochastic reaction - diffusion model that has been used to study spatially distributed cellular processes. the rdme is often interpreted as an approximation to spatially - continuous models in which molecules move by brownian motion and react by one of sev... | arxiv:1211.6772 |
traditional spectral imaging methods are constrained by the time - consuming scanning process, limiting the application in dynamic scenarios. one - shot spectral imaging based on reconstruction has been a hot research topic recently and the primary challenges still lie in both efficient fabrication techniques suitable ... | arxiv:2404.09500 |
in this paper, we study the construction of the supersymmetric extensions of vertex algebras. in particular, for $ n = n \ in \ mathbb { z } _ { + } $, we show the universal enveloping $ n = n $ supersymmetric ( susy ) vertex algebra of an $ n = n $ susy lie conformal algebra can be extended to an $ n = n ' > n $ susy ... | arxiv:2308.00693 |
we propose gaus - slam, a dense rgb - d slam system that leverages 2d gaussian surfels to achieve robust tracking and high - fidelity mapping. our investigations reveal that gaussian - based scene representations exhibit geometry distortion under novel viewpoints, which significantly degrades the accuracy of gaussian -... | arxiv:2505.01934 |
we develop a method to study the implied volatility for exotic options and volatility derivatives with european payoffs such as vix options. our approach, based on malliavin calculus techniques, allows us to describe the properties of the at - the - money implied volatility ( atmi ) in terms of the malliavin derivative... | arxiv:1808.03610 |
in this work we will study the polarizations of both leptons ( $ \ tau $ ) in the decay channel $ b \ to k ^ * \ tau ^ - \ tau ^ + $. in the case of the dileptonic inclusive decay $ b \ to k ^ * \ ell ^ - \ ell ^ + $, where apart from the polarization asymmetries of single lepton $ \ ell $, one can also observe the pol... | arxiv:hep-ph/0304084 |
in this article, we focus on investigating the focusing kundu - eckhaus equation with nonzero boundary condition. a appropriate two - sheeted riemann surface is introduced to map the spectral parameter $ k $ into a single - valued parameter $ z $. starting from the lax pair of kundu - eckhaus equation, two kind of jost... | arxiv:1910.08921 |
yellowballs ( ybs ) were first discovered during the milky way project citizen - science initiative ( mwp ; simpson et al. 2012 ). mwp users noticed compact, yellow regions in spitzer space telescope mid - infrared ( mir ) images of the milky way plane and asked professional astronomers to explain these " yellow balls.... | arxiv:2102.01661 |
the effect of a quantum phase transition associated with the appearance of the fermion condensate in an electron liquid on the properties of superconductors is considered. it is shown that the electron system in both superconducting and normal states exhibits characteristic features of a quantum protectorate after the ... | arxiv:cond-mat/0105477 |
cooperative vehicle platooning significantly improves highway safety, fuel efficiency, and traffic flow. in this model, a set of vehicles move in line formation and coordinate acceleration, braking, and steering using a combination of physical sensing and vehicle - to - vehicle ( v2v ) messaging. the authenticity and i... | arxiv:2107.09863 |
a contraction $ t $ on a hilbert space $ \ mathcal { h } $ is said to be pure if the sequence $ \ lbrace t ^ { * n } \ rbrace _ { n } $ converges to $ 0 $ in the strong operator topology. in this article, we prove that for contractions $ t $, which commute with certain tractable tuples of commuting operators $ x = ( x ... | arxiv:2112.08332 |
spinodal decomposition in the presence of a moving particle source is proposed as a mechanism for the formation of liesegang bands. this mechanism yields a sequence of band positions x _ n that obeys the spacing law x _ n ~ q ( 1 + p ) ^ n. the dependence of the parameters p and q on the initial concentration of the re... | arxiv:cond-mat/9903420 |
the location of a repeat plume detected at europa is found to be coincident with the strongest ionosphere detection made by galileo radio occultation in 1997. | arxiv:1711.03628 |
empirical evidence of planets in gas - rich circumstellar discs is required to constrain giant planet formation theories. here we study the kinematic patterns which arise from planet - disc interactions and their observability in co rotational emission lines. we perform three - dimensional hydrodynamical simulations of... | arxiv:1806.05125 |
we report on an evaluation of an optical clock that uses the $ \ phantom { } ^ 2s _ { 1 / 2 } \ rightarrow \ phantom { } ^ 2d _ { 5 / 2 } $ transition of a single $ ^ { 88 } $ sr $ ^ + $ ion as the reference. in contrast to previous work, we estimate the effective temperature of the blackbody radiation that shifts the ... | arxiv:2212.08687 |
we present a cnn - based predictive lossless compression scheme for raw color mosaic images of digital cameras. this specialized application problem was previously understudied but it is now becoming increasingly important, because modern cnn methods for image restoration tasks ( e. g., superresolution, low lighting en... | arxiv:2001.10484 |
we present some comparison results for solutions to certain non local elliptic and parabolic problems that involve the fractional laplacian operator and mixed boundary conditions, given by a zero dirichlet datum on part of the complementary of the domain and zero neumann data on the rest. these results represent a non ... | arxiv:1607.01505 |
the p \ ' al inequality is a classical result which asserts that among all planar convex sets of given width the equilateral triangle is the one of minimal area. in this paper we prove three quantitative versions of this inequality, by quantifying how the closeness of the area of a convex set, of certain width, to the ... | arxiv:2405.18294 |
the rheology of suspensions of non - brownian soft spheres is studied across jamming but also across the viscous and inertial regimes using a custom pressure - and volume - imposed rheometer. the study shows that the granular rheology found for suspensions of hard spheres can be extended to a soft granular rheology ( s... | arxiv:2311.15107 |
we evaluate the three - photon vertex functions at order $ b $ and $ b ^ { 2 } $ in a weak constant magnetic field at finite temperature and density with on shell external lines. their application to the study of the photon splitting process leads to consider high energy photons whose dispersion relations are not chang... | arxiv:hep-ph/0104045 |
recent advancements in deep learning models have significantly enhanced jet classification performance by analyzing low - level features ( llfs ). however, this approach often leads to less interpretable models, emphasizing the need to understand the decision - making process and to identify the high - level features (... | arxiv:2312.11760 |
we present an optical photometric and spectroscopic analysis of the fast - declining hydrogen - rich type ii supernova ( sn ) 2019nyk. the light curve properties of sn 2019nyk align well with those of other fast - declining type ii sne, such as sne 2013by and 2014g. sn 2019nyk exhibits a peak absolute magnitude of - 18... | arxiv:2403.00927 |
the detection of low - mass planets orbiting the nearest stars is a central stake of exoplanetary science, as they can be directly characterized much more easily than their distant counterparts. here, we present the results of our long - term astrometric observations of the nearest binary m - dwarf gliese 65 ab ( gj65 ... | arxiv:2404.08746 |
reliability - based design optimization ( rbdo ) is an active field of research with an ever increasing number of contributions. numerous methods have been proposed for the solution of rbdo, a complex problem that combines optimization and reliability analysis. classical approaches are based on approximation methods an... | arxiv:1901.03311 |
the expected signature is an analogue of the laplace transform for rough paths. chevyrev and lyons showed that, under certain moment conditions, the expected signature determines the laws of signatures. lyons and ni posed the question of whether the expected signature of brownian motion up to the exit time of a domain ... | arxiv:1905.13034 |
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