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we study distributions of meeting times for finite symmetric markov chains. for markov kernels defined on large state spaces which satisfy certain weak inhomogeneity in return probabilities of points up to large numbers of steps, we obtain approximation, with explicit error bounds, of the laplace transforms of some mee... | arxiv:1410.4716 |
in this paper, a novel approach for coding nominal data is proposed. for the given nominal data, a rank in a form of complex number is assigned. the proposed method does not lose any information about the attribute and brings other properties previously unknown. the approach based on these knew properties can been used... | arxiv:1601.01966 |
the application of photonics to astronomy offers major advantages in the area of highly - multiplexed spectroscopy, especially when applied to extremely large telescopes. these include the suppression of the near - infrared night - sky spectrum [ j. bland - hawthorn et al, opt. express 12, 5902 ( 2004 ), s. g. leon - s... | arxiv:0908.1325 |
we make a systematic calculation for polarized vector meson production in semi - inclusive lepton - nucleon deep inelastic scattering $ e ^ - n \ to e ^ - vx $. we consider the general case of neutral current electroweak interactions at high energies which give rise to parity - violating effects. we present a general k... | arxiv:2201.02511 |
in this letter, we contribute a multi - language handwritten digit recognition dataset named mnist - mix, which is the largest dataset of the same type in terms of both languages and data samples. with the same data format with mnist, mnist - mix can be seamlessly applied in existing studies for handwritten digit recog... | arxiv:2004.03848 |
designing a quantum key agreement ( qka ) protocol is always a challenging task, because both the security and the fairness properties have to be considered simultaneously. recently, zhu et al. ( quantum inf process 14 ( 11 ) : 4245 - 4254 ) pointed out that shukla et al. ' s qka protocol ( quantum inf process 13 ( 11 ... | arxiv:1510.08249 |
in a combinatorial communication system, some signals consist of the combinations of other signals. such systems are more efficient than equivalent, non - combinatorial systems, yet despite this they are rare in nature. why? previous explanations have focused on the adaptive limits of combinatorial communication, or on... | arxiv:1308.4780 |
recent high - angular - resolution ( up to 0. 7 " ) dust polarization observations toward star forming regions are summarized. with the sub - millimeter array, the emission from the dense structures is traced and resolved. the detected magnetic field morphologies vary from hourglass - like structures to isolated patche... | arxiv:1202.4635 |
we investigate the phenomenology of the mssm extended by a single r - parity violating coupling at the unification scale. for all r - parity violating couplings, we discuss the evolution of the particle spectra through the renormalization group equations and the nature of the lightest supersymmetric particle ( lsp ) wi... | arxiv:1706.09418 |
most primates live in social groups which survival and stability depend on individuals ' abilities to create strong social relationships with other group members. the existence of those groups requires to identify individuals and to assign to each of them a social status. individual recognition can be achieved through ... | arxiv:q-bio/0702020 |
for argumentation mining, there are several sub - tasks such as argumentation component type classification, relation classification. existing research tends to solve such sub - tasks separately, but ignore the close relation between them. in this paper, we present a joint framework incorporating logical relation betwe... | arxiv:1701.05343 |
fisher vector has been widely used in many multimedia retrieval and visual recognition applications with good performance. however, the computation complexity prevents its usage in real - time video monitoring. in this work, we proposed and implemented gpu - fv, a fast fisher vector extraction method with the help of m... | arxiv:1604.03498 |
the high - temperature susceptibility of the $ q $ - state potts model behaves as $ \ gamma | t - t _ c | ^ { - \ gamma } $ as $ t \ to t _ c + $, while for $ t \ to t _ c - $ one may define both longitudinal and transverse susceptibilities, with the same power law but different amplitudes $ \ gamma _ l $ and $ \ gamma... | arxiv:cond-mat/9908453 |
we compute the $ \ mathbb { g } w ^ { r } $ - spectrum of grassmannians over fields of characteristic zero. we also compute the stabilized $ \ mathbb { l } $ - theory spectrum of grassmannians. we observe, via base - change for exceptional collections, that our computations are valid for grassmannians over commutative ... | arxiv:2504.03969 |
using the feynman - kac formula, a work fluctuation theorem for a brownian particle in a nonconfining potential, e. g., a potential well with finite depth, is derived. the theorem yields aninequality that puts a lower bound on the average work needed to change the potential in time. in comparison to the jarzynski equal... | arxiv:2101.03568 |
we give a new computer - assisted proof of the classification of maximal subgroups of the simple group $ { } ^ 2e _ 6 ( 2 ) $ and its extensions by any subgroup of the outer automorphism group $ s _ 3 $. this is not a new result, but no earlier proof exists in the literature. a large part of the proof consists of a com... | arxiv:1801.08374 |
given a directed graph $ g $, a transitive reduction $ g ^ t $ of $ g $ ( first studied by aho, garey, ullman [ sicomp ` 72 ] ) is a minimal subgraph of $ g $ that preserves the reachability relation between every two vertices in $ g $. in this paper, we study the computational complexity of transitive reduction in the... | arxiv:2504.18161 |
item response theory ( irt ) aims to assess latent abilities of respondents based on the correctness of their answers in aptitude test items with different difficulty levels. in this paper, we propose the $ \ beta ^ 3 $ - irt model, which models continuous responses and can generate a much enriched family of item chara... | arxiv:1903.04016 |
despite major advances in artificial intelligence ( ai ) for medicine and healthcare, the deployment and adoption of ai technologies remain limited in real - world clinical practice. in recent years, concerns have been raised about the technical, clinical, ethical and legal risks associated with medical ai. to increase... | arxiv:2309.12325 |
causal inference is at the heart of empirical research in natural and social sciences and is critical for scientific discovery and informed decision making. the gold standard in causal inference is performing randomized controlled trials ; unfortunately these are not always feasible due to ethical, legal, or cost const... | arxiv:2004.03644 |
the sars - cov - 2 pandemic has caused significant mortality and morbidity worldwide, sparing almost no community. as the disease will likely remain a threat for years to come, an understanding of the precise influences of human demographics and settlement, as well as the dynamic factors of climate, susceptible depleti... | arxiv:2007.00159 |
\ tau $ and $ z \ rightarrow \ mu \ mu $ cross - sections has been measured to be 1. 09 $ \ pm $ 0. 17, consistent with lepton universality. theoretical predictions, calculated at next - to - next - to - leading order ( nnlo ) in qcd using recent parton distribution functions, are found to be in agreement with the meas... | arxiv:1109.3371 |
in this article we propose to simulate acoustic black holes with ions in rings. if the ions are rotating with a stationary and inhomogeneous velocity profile, regions can appear where the ion velocity exceeds the group velocity of the phonons. in these regions phonons are trapped like light in black holes, even though ... | arxiv:0904.4801 |
relativistic microcausality is the statement that local field operators commute outside the light - cone. this condition is known to break down in low - energy effective theories, such as $ p ( x ) $ models with a derivative interaction term of the ` ` wrong sign ". despite their lorentz - invariant form, these theorie... | arxiv:2504.16992 |
we study center - of - mass oscillations of a dipolar bose - einstein condensate in the vicinity of a superconducting surface. we show that the magnetic field of the magnetic dipoles induces eddy currents in the superconductor, which act back on the bose - einstein condensate. this leads to a shift of its oscillation f... | arxiv:1306.4086 |
when combining apparently inconsistent experimental results, one often implements errors on errors. the particle data group ' s phenomenological prescription offers a practical solution but lacks a firm theoretical foundation. to address this, d ' agostini and cowan have proposed bayesian and frequentist approaches, re... | arxiv:2505.06521 |
in high energy physics experiment trigger systems, track segment seeding is a resource consuming function and the primary reason is the computing complexity of the segment finding process. as the moore ' s law is reaching its physical limit, reducing computing complexity should be carefully considered, rather than keep... | arxiv:2305.09834 |
the automaton constrained tree knapsack problem is a variant of the knapsack problem in which the items are associated with the vertices of the tree, and we can select a subset of items that is accepted by a top - down tree automaton. if the capacities or the profits of items are integers, the problem can be solved in ... | arxiv:1807.04942 |
constraint automata ( ca ) constitute a coordination model based on finite automata on infinite words. originally introduced for modeling of coordinators, an interesting new application of cas is implementing coordinators ( i. e., compiling cas into executable code ). such an approach guarantees correctness - by - cons... | arxiv:1608.04592 |
this paper introduces the event capture annotation tool ( ecat ), a user - friendly, open - source interface tool for annotating events and their participants in video, capable of extracting the 3d positions and orientations of objects in video captured by microsoft ' s kinect ( r ) hardware. the modeling language voxm... | arxiv:1610.01247 |
it is shown that the fidelity, a basic notion of quantum information science, may be used to characterize quantum phase transitions, regardless of what type of internal order is present in quantum many - body states. if the fidelity of two given states vanishes, then there are two cases : ( 1 ) they are in the same pha... | arxiv:cond-mat/0701608 |
we present a perturbative qcd factorization formalism for the production of heavy quarkonia of large transverse momentum $ p _ t $ at collider energies, which includes both the leading power ( lp ) and next - to - leading power ( nlp ) contributions to the cross section in the $ m _ q ^ 2 / p _ t ^ 2 $ expansion for he... | arxiv:1109.1520 |
we extend a previously developed model for the stark resonances of the water molecule. the method employs a partial - wave expansion of the single - particle orbitals using spherical harmonics. to find the resonance positions and decay rates, we use the exterior complex scaling approach which involves the analytic cont... | arxiv:2203.10401 |
vortex fiber nulling is a method for spectroscopically characterizing exoplanets at small angular separations, $ \ lesssim \ lambda / d $, from their host star. the starlight is suppressed by creating an optical vortex in the system point spread function, which prevents the stellar field from coupling into the fundamen... | arxiv:1811.02083 |
the digital age, driven by the ai revolution, brings significant opportunities but also conceals security threats, which we refer to as cyber shadows. these threats pose risks at individual, organizational, and societal levels. this paper examines the systemic impact of these cyber threats and proposes a comprehensive ... | arxiv:2501.09025 |
manganese ( mn ) abundances are sensitive probes of the progenitors of type ia supernovae ( sne ). in this work, we present a catalog of manganese abundances in dwarf spheroidal satellites of the milky way, measured using medium - resolution spectroscopy. using a simple chemical evolution model, we infer the manganese ... | arxiv:2001.01716 |
we consider the model of the focusing one - dimensional nonlinear schr \ " odinger equation ( fnlse ) in the presence of an unstable constant background, which exhibits coherent solitary wave structures - - breathers. within the inverse scattering transform ( ist ) method, we study the problem of the scattering data nu... | arxiv:2308.04568 |
the classical wiener - khinchin theorem ( wkt ), which can extract spectral information by classical interferometers through fourier transform, is a fundamental theorem used in many disciplines. however, there is still need for a quantum version of wkt, which could connect correlated biphoton spectral information by qu... | arxiv:1709.04837 |
the various mechanisms of magneto - convective energy transport determines the structure of sunspots and active regions. we characterise the appearance of light bridges and other fine - structure details and elaborate on their magneto - convective nature. we present speckle - reconstructed images taken with the broad -... | arxiv:1607.07094 |
open source software ( oss ) development relies on diverse skill sets. however, to our knowledge, there are no tools which detect oss - related skills. in this paper, we present a novel method to detect oss skills and prototype it in a tool called disko. our approach relies on identifying relevant signals, which are me... | arxiv:2203.02027 |
context. interstellar scintillation ( iss ) of pulsar emission can be used both as a probe of the ionised interstellar medium ( iism ) and cause corruptions in pulsar timing experiments. of particular interest are so - called scintillation arcs which can be used to measure time - variable interstellar scattering delays... | arxiv:2203.10409 |
we consider a system of reaction - diffusion equations including chemotaxis terms and coming out of the modeling of multiple sclerosis. the global existence of strong solutions to this system in any dimension is proved, and it is also shown that the solution is bounded uniformly in time. finally, a nonlinear stability ... | arxiv:2009.13131 |
unmanned aerial vehicles ( uavs ) have moved beyond a platform for hobbyists to enable environmental monitoring, journalism, film industry, search and rescue, package delivery, and entertainment. this paper describes 3d displays using swarms of flying light specks, flss. an fls is a small ( hundreds of micrometers in s... | arxiv:2111.03657 |
in this paper we present an improved ri - type prescription appropriate for the non - perturbative renormalization of gauge invariant nonlocal operators. in this prescription, the non - perturbative vertex function is improved by subtracting unwanted finite lattice spacing ( $ a $ ) effects, calculated in lattice pertu... | arxiv:2207.09977 |
we present the results of a numerical study of the fluid $ f $, $ p $ and the gravitational $ w $ modes for increasingly relativistic nonrotating polytropes. the results for $ f $ and $ w $ - modes are in good agreement with previous data for uniform density stars, which supports an understanding of the nature of the g... | arxiv:gr-qc/9706010 |
the hausdorff distance is a fundamental measure for comparing sets of vectors, widely used in database theory and geometric algorithms. however, its exact computation is computationally expensive, often making it impractical for large - scale applications such as multi - vector databases. in this paper, we introduce an... | arxiv:2503.06833 |
the absence of a physically motivated model for large scale profiles of cosmic voids limits our ability to extract valuable cosmological information from their study. in this paper, we address this problem by introducing the spherically compensated cosmic regions, named cospheres. such cosmic regions are identified aro... | arxiv:1709.04490 |
in this work, we present an opto - electro - mechanical modulator ( oemm ) for rf - to - optical transduction realized via an ultra - coherent nanomembrane resonator capacitively coupled to an rf injection circuit made of a microfabricated read - out able to improve the electro - optomechanical interaction. this device... | arxiv:2307.13049 |
during the past few years, advances in mobile communication theory have enabled the development and deployment of different wireless technologies, complementary to each other. hence, their integration can realize a unified wireless system that has the best features of the individual networks. next - generation wireless... | arxiv:1006.3376 |
we study collinear relative equilibria of the planar four - vortex problem where three of the four vortex strengths are identical. the $ s _ 3 $ invariance obtained from the equality of vorticities is used to reduce the defining equations and organize the solutions into two distinct groups based on the ordering of the ... | arxiv:1704.08647 |
we present an analysis of high - resolution imaging of an exoplanet by a meter - class telescope positioned at a real image of the exoplanet created by the solar gravity lens. we assume an exoplanet viewed in full phase and a simple deconvolution method to correct for the intrinsic blur caused by aberrations in the sol... | arxiv:2004.12907 |
large vision - language models ( vlms ) like clip have demonstrated good zero - shot learning performance in the unsupervised domain adaptation task. yet, most transfer approaches for vlms focus on either the language or visual branches, overlooking the nuanced interplay between both modalities. in this work, we introd... | arxiv:2403.06946 |
we introduce a variant of the proximal gradient method in which the quadratic term is diagonal but may be indefinite, and is safeguarded by a trust region. our method is a special case of the proximal quasi - newton trust - region method of arxiv : 2103. 15993v3. we provide closed - form solution of the step computatio... | arxiv:2309.08433 |
source code diffs are used on a daily basis as part of code review, inspection, and auditing. to facilitate understanding, they are typically accompanied by explanations that describe the essence of what is changed in the program. as manually crafting high - quality explanations is a cumbersome task, researchers have p... | arxiv:2212.11077 |
we combine the principle of gauge invariance with extrinsic string geometry to develop a lattice model that can be employed to theoretically describe properties of chiral, unbranched homopolymers. we find that in its low temperature phase the model is in the same universality class with proteins that are deposited in t... | arxiv:0902.2920 |
we obtain a pair of nontrivial solutions for a class of concave - linear - convex type elliptic problems that are either critical or subcritical. the solutions we find are neither local minimizers nor of mountain pass type in general. they are higher critical points in the sense that they each have a higher critical gr... | arxiv:1912.05648 |
in this paper we define and study a new family of graphs that generalises the notions of line graphs and path graphs. let $ g $ be a graph with no loops but possibly with parallel edges. an \ emph { $ \ ell $ - link } of $ g $ is a walk of $ g $ of length $ \ ell \ geqslant 0 $ in which consecutive edges are different.... | arxiv:1402.7235 |
we present an explicit algorithm for tessellating the algebraic surfaces ( real 4 - manifolds ) f ( n ) embedded in cp3 defined by the equation z0 ^ n + z1 ^ n + z2 ^ n + z3 ^ n = 0 in the standard homogeneous coordinates [ z0, z1, z2, z3 ], where n is any positive integer. note that f ( 4 ) in particular is a k3 surfa... | arxiv:0804.3218 |
in this paper, we define a module of stark systems over a complete gorenstein local ring with a finite residue field of odd characteristic. under some mild assumptions, we show that it is free of rank one and that these systems control all the fitting ideals of the pontryagin dual of the dual selmer group. these result... | arxiv:1612.06531 |
we discuss systematic approaches to the classification of string / m theory vacua, and physical questions this might help us resolve. to this end, we initiate the study of ensembles of effective lagrangians, which can be used to precisely study the predictive power of string theory, and in simple examples can lead to u... | arxiv:hep-th/0303194 |
in one - dimensional anharmonic lattices, we construct nonlinear standing waves ( sws ) reducing to harmonic sws at small amplitude. for sws with spatial periodicity incommensurate with the lattice period, a transition by breaking of analyticity versus wave amplitude is observed. as a consequence of the discreteness, o... | arxiv:nlin/0005068 |
we consider and resolve the gap problem for almost quaternion - hermitian structures, i. e. we determine the maximal and submaximal symmetry dimensions, both for lie algebras and lie groups, in the class of almost quaternion - hermitian manifolds. we classify all structures with such symmetry dimensions. geometric prop... | arxiv:1812.11229 |
we prove existence and uniqueness of solutions to the minkowski problem in any domain of dependence $ d $ in $ ( 2 + 1 ) $ - dimensional minkowski space, provided $ d $ is contained in the future cone over a point. namely, it is possible to find a smooth convex cauchy surface with prescribed curvature function on the i... | arxiv:1505.06748 |
quantum key distribution ( qkd ) networks is expected to provide information - theoretical secured ( its ) communication over long distances. qkd networks based trusted relay architecture are now the most widely used scheme in practice. however, it is an unrealistic assumption that all relays are fully trustable in com... | arxiv:2204.09832 |
we studied the dynamical response of a nanomechanical resonator to biomolecular ( e. g. dna ) adsorptions on a resonator ' s surface by using a theoretical model, which considers the hamiltonian h such that the potential energy consists of elastic bending energy of a resonator and the potential energy for biomolecular ... | arxiv:0706.3743 |
many visual representations, such as volume - rendered images and metro maps, feature a noticeable amount of information loss. at a glance, there seem to be numerous opportunities for viewers to misinterpret the data being visualized, hence undermining the benefits of these visual representations. in practice, there is... | arxiv:2103.02502 |
the collective phenomena are observed not only in heavy ion collisions, but also in the proton - nucleus and in high - multiplicity $ pp $ collisions. the latest results from this area obtained in atlas are presented. in $ p $ + pb collisions the emission source of particles is measured using the hbt method. the analys... | arxiv:1706.04025 |
we investigate the effects of relatively rapid variations of the boundaries of an overmoded cavity on the stochastic properties of its interior acoustic or electromagnetic field. for quasi - static variations, this field can be represented as an ideal incoherent and statistically homogeneous isotropic random scalar or ... | arxiv:0706.0525 |
the magellanic quasars survey ( mqs ) has now increased the number of quasars known behind the magellanic clouds by almost an order of magnitude. all survey fields in the large magellanic cloud ( lmc ) and 70 % of those in the small magellanic cloud ( smc ) have been observed. the targets were selected from the third p... | arxiv:1305.6927 |
we demonstrate sub - poissonian number differences in four - wave mixing of bose - einstein condensates of metastable helium. the collision between two bose - einstein condensates produces a scattering halo populated by pairs of atoms of opposing velocities, which we divide into several symmetric zones. we show that th... | arxiv:1008.0845 |
in this paper we provide a complete algebraic characterization of elementary equivalence of rings with a finitely generated additive group in the language of pure rings. the rings considered are arbitrary otherwise. | arxiv:1609.09810 |
we propose a convolutional recurrent sparse auto - encoder model. the model consists of a sparse encoder, which is a convolutional extension of the learned ista ( lista ) method, and a linear convolutional decoder. our strategy offers a simple method for learning a task - driven sparse convolutional dictionary ( cd ), ... | arxiv:1711.00328 |
not in one of the ideals, then it has multiplicative inverse [ 1 / x, 1 / y ]. endowed with the usual topology, the algebra of intervals forms a topological ring. the group of units of this ring consists of four quadrants determined by the axes, or ideals in this case. the identity component of this group is quadrant i... | https://en.wikipedia.org/wiki/Interval_(mathematics) |
we develop a unified theory for the second sound in two dimensional materials. previously studied drifting and driftless second sound are two limiting cases of the theory, corresponding to the drift and diffusive part of the energy flux, respectively. we find that due to the presence of quadratic flexural phonons the d... | arxiv:2204.04852 |
this paper is about the rainbow dual of the hales jewett number, providing general bounds an anti - hales jewett number for hypercubes of length k and dimension n denoted $ ah ( k, n ). $ the best general bounds this paper provides are : $ ( k - 1 ) ^ n < ah ( k, n ) \ leq \ frac { ( k - 1 ) ^ 2 - 2 } { k - 1 } \ cdot ... | arxiv:2410.12192 |
following the increasing popularity of mobile ecosystems, cybercriminals have increasingly targeted them, designing and distributing malicious apps that steal information or cause harm to the device ' s owner. aiming to counter them, detection techniques based on either static or dynamic analysis that model android mal... | arxiv:1803.03448 |
direct data - driven design methods for the linear quadratic regulator ( lqr ) mainly use offline or episodic data batches, and their online adaptation has been acknowledged as an open problem. in this paper, we propose a direct adaptive method to learn the lqr from online closed - loop data. first, we propose a new po... | arxiv:2401.14871 |
alice is a charismatic quantum cryptographer who believes her parties are unmissable ; bob is a ( relatively ) glamorous string theorist who believes he is an indispensable guest. to prevent possibly traumatic collisions of self - perception and reality, their social code requires that decisions about invitation or acc... | arxiv:quant-ph/0508149 |
recently we developed a numerical technique to compute chiral symmetry breaking at t = 0 with different current quark masses m0, including the current quark masses of the six standard flavours u, d, s, c, b, t. we also fitted from lattice qcd data the quark - antiquark string tension sigma dependence on temperature t. ... | arxiv:1109.6799 |
we provide a new derivation of the anisotropies of the cosmic microwave background ( cmb ), and find an exact expression that can be readily expanded perturbatively. close attention is paid to gauge issues, with the motivation to examine the effect of super - hubble modes on the cmb. we calculate a transfer function th... | arxiv:0808.2047 |
standard discontinuous galerkin methods, based on piecewise polynomials of degree $ \ qq = 0, 1 $, are considered for temporal semi - discretization for second order hyperbolic equations. the main goal of this paper is to present a simple and straightforward a priori error analysis of optimal order with minimal regular... | arxiv:2006.14082 |
moir \ ' e flatbands, occurring, e. g., in twisted bilayer graphene at magic angles, have attracted ample interest due to their high degree of experimental tunability and the intriguing possibility of generating novel strongly interacting phases. here we consider the core problem of coulomb interactions within fraction... | arxiv:1912.04907 |
we study a system of all - to - all weakly coupled uniformly expanding circle maps in the thermodynamic limit. the state of the system is described by a probability measure and its evolution is given by the action of a nonlinear operator, also called a self - consistent transfer operator. we prove that when the couplin... | arxiv:2001.01317 |
bose - einstein condensates of $ ^ { 87 } $ rb atoms are transferred into radio - frequency ( rf ) induced adiabatic potentials and the properties of the corresponding dressed states are explored. we report on measurements of the spin composition of dressed condensates. we also show that adiabatic potentials can be use... | arxiv:cond-mat/0605393 |
host - guest binding plays a crucial role in the functionality of various systems, and its efficiency is often quantified using the binding free energy, which represents the free - energy difference between the bound and dissociated states. here, we propose a methodology to compute the binding free energy based on the ... | arxiv:2410.04423 |
the ten dimensional unified field theory has a 4 dimensional riemannian spacetime and six dimensional calabi yau space structure. the supersymmetric yang mills fields and black holes are solutions in these theories. the formation of primordial black holes in early universe, the collapse to singularity of stellar black ... | arxiv:0705.2572 |
cancer screening has been widely recognized as an effective strategy for preventing the disease. despite its effectiveness, determining when to start screening is complicated, because starting too early increases the number of screenings over lifetime and thus costs but starting too late may miss the cancer that could ... | arxiv:2409.02888 |
this work presents a framework for a robot with a multi - fingered hand to freely utilize daily tools, including functional parts like buttons and triggers. an approach heatmap is generated by selecting a functional finger, indicating optimal palm positions on the object ' s surface that enable the functional finger to... | arxiv:2401.11681 |
while the structure of chromatin has been studied in great detail on length scales below 30 nm, amazingly little is known about the higher - order folding motifs of chromatin in interphase. recent experiments give evidence that the folding may depend locally on gene density and transcriptional activity and show a level... | arxiv:0705.1470 |
pt - functionalized graphene harnesses graphene ' s exceptional carrier mobility with pt ' s catalytic activity for hydrogen sensing, yet the mechanisms of pt crystal growth, its interaction with graphene, and the consequent impact on hydrogen sensitivity remain incompletely understood. we develop a high - fidelity equ... | arxiv:2504.05438 |
we first extend our recent experiments of correlation imaging through scattering media to the case of a thick medium, composed of two phase scatterers placed respectively in the image and the fourier planes of the crystal. the spatial correlations between twin photons are still detected but no more in the form of a spe... | arxiv:2005.01528 |
we apply the coordinate - space method by luescher and weisz to the computation of two - loop diagrams in full qcd with wilson fermions on the lattice. the essential ingredient is the high - precision determination of mixed fermionic - bosonic propagators. | arxiv:hep-lat/9710074 |
quantifying the improvement in human living standard, as well as the city growth in developing countries, is a challenging problem due to the lack of reliable economic data. therefore, there is a fundamental need for alternate, largely unsupervised, computational methods that can estimate the economic conditions in the... | arxiv:1812.00141 |
it is well established that in a market with inclusion of a risk - free asset the single - period mean - variance efficient frontier is a straight line tangent to the risky region, a fact that is the very foundation of the classical capm. in this paper, it is shown that in a continuous - time market where the risky pri... | arxiv:0906.0999 |
we present two fiberized vector magnetic - field sensors, based on nitrogen - vacancy ( nv ) centers in diamond. the sensors feature sub - nt / $ \ sqrt { \ textrm { hz } } $ magnetic sensitivity. we use commercially available components to construct sensors with a small sensor size, high photon collection, and minimal... | arxiv:2102.11902 |
particles are today the main tool to study superfluid turbulence and visualize quantum vortices. in this work, we study the dynamics and the spatial distribution of particles in co - flow and counterflow superfluid helium turbulence in the framework of the two - fluid hall - vinen - bekarevich - khalatnikov ( hvbk ) mo... | arxiv:1910.08444 |
the tunability of ar + ion irradiation of co / pd multilayers has been employed to create depth - dependent perpendicular anisotropy gradients. by adjusting the ar + kinetic energy and fluence, the depth and lateral density of the local structural modification are controlled. first - order reversal curve analysis throu... | arxiv:1408.1659 |
we present linear prediction as a differentiable padding method. for each channel, a stochastic autoregressive linear model is fitted to the padding input by minimizing its noise terms in the least - squares sense. the padding is formed from the expected values of the autoregressive model given the known pixels. we tra... | arxiv:2502.12300 |
multimodal sentiment analysis ( msa ) identifies individuals ' sentiment states in videos by integrating visual, audio, and text modalities. despite progress in existing methods, the inherent modality heterogeneity limits the effective capture of interactive sentiment features across modalities. in this paper, by intro... | arxiv:2501.12424 |
we extend the post - processing finite - size ( fs ) correction method, developed by kwee, zhang, and krakauer [ phys. rev. lett. 100, 126404 ( 2008 ) ], to spin polarized systems. the method estimates the fs effects in many - body electronic structure calculations of extended systems by a modified density functional t... | arxiv:1108.2739 |
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