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the fermi surface pockets that lie at the corner of the two - iron brillouin zone in heavily electron - doped iron selenide superconductors are accounted for by an extended hubbard model over the square lattice of iron atoms that includes the principal 3d xz and 3d yz orbitals. at half filling, and in the absence of in... | arxiv:1806.09322 |
c. j. smyth and later flammang studied the spectrum of the weil height in the field of all totally real numbers, establishing both lower and upper bounds for the limit infimum of the height of all totally real integers and determining isolated values of the height. we remove the hypothesis that we consider only integer... | arxiv:1210.7887 |
aims. we aim to study the 250 micron luminosity function ( lf ) down to much fainter luminosities than achieved by previous efforts. methods. we developed a modified stacking method to reconstruct the 250 micron lf using optically selected galaxies from the sdss survey and herschel maps of the gama equatorial fields an... | arxiv:1607.02975 |
many high dimensional optimization problems can be reformulated into a problem of finding theoptimal state path under an equivalent state space model setting. in this article, we present a general emulation strategy for developing a state space model whose likelihood function ( or posterior distribution ) shares the sa... | arxiv:1911.07172 |
magnetohydrodynamic instabilities can be responsible for the formation of structures with various scales in astrophysical jets. we consider the stability properties of jets containing both the azimuthal and axial field of subthermal strength. a magnetic field with complex topology in jets is suggested by theoretical mo... | arxiv:1001.1987 |
a new method called " variational sampling " is proposed to estimate integrals under probability distributions that can be evaluated up to a normalizing constant. the key idea is to fit the target distribution with an exponential family model by minimizing a strongly consistent empirical approximation to the kullback -... | arxiv:1105.1508 |
general - sum differential games can approximate values solved by hamilton - jacobi - isaacs ( hji ) equations for efficient inference when information is incomplete. however, solving such games through conventional methods encounters the curse of dimensionality ( cod ). physics - informed neural networks ( pinns ) off... | arxiv:2503.06994 |
we propose a dynamic structure of coupled dynamic molecular strings for supercooled small polar molecule liquids and accordingly we obtain the hamiltonian of the rotational degrees of freedom of the system. from the hamiltonian, the strongly correlated supercooled polar liquid state is renormalized to a normal superdip... | arxiv:cond-mat/0412308 |
quasi - hydrostatic cooling of the intracluster gas is studied. in the quasi - hydrostatic model, work done by gravity on the inflow gas with dp \ neq 0, where p is the gas pressure, is taken into account in the thermal balance. the gas flows in from the outer part so as to compensate the pressure loss of the gas under... | arxiv:astro-ph/0404217 |
we derive determinant expressions for the partition functions of spin - k / 2 vertex models on a finite square lattice with domain wall boundary conditions. | arxiv:math-ph/0601061 |
we analyse the kinematics and chemistry of the bulge stars of two simulated disc galaxies using our chemodynamical galaxy evolution code gcd +. first we compare stars that are born inside the galaxy with those that are born outside the galaxy and are accreted into the centre of the galaxy. stars that originate outside ... | arxiv:0909.4491 |
under a precise genuine nonlinearity assumption we establish the decay of entropy solutions of a multidimensional scalar conservation law with merely continuous flux and with initial data being a sum of periodic function and a function vanishing at infinity ( in the sense of measure ). | arxiv:2010.08752 |
from an analysis of the ionisation energy loss of charged particles selected from a sample of 147926 e + e - - > tau + tau - candidates recorded in the opal detector at e + e - centre - of - mass energies near the z0 resonance, we determine the branching ratios : br ( tau - - > nu _ tau k - pi - pi + ( pi0 ) ) = 0. 343... | arxiv:hep-ex/9908013 |
in the present paper, we propose a new axiomatic approach to nonstandard analysis and its application to the general theory of spatial structures in terms of category theory. our framework is based on the idea of internal set theory, while we make use of an endofunctor $ \ mathcal { u } $ on a topos of sets $ s $ toget... | arxiv:1009.0234 |
conventional 2d pose estimation models are constrained by their design to specific object categories. this limits their applicability to predefined objects. to overcome these limitations, category - agnostic pose estimation ( cape ) emerged as a solution. cape aims to facilitate keypoint localization for diverse object... | arxiv:2406.00384 |
( 1998 ). categories for the working mathematician. springer - verlag new york, inc. = = external links = = " universe ", encyclopedia of mathematics, ems press, 2001 [ 1994 ] weisstein, eric w. " universal set ". mathworld. | https://en.wikipedia.org/wiki/Universe_(mathematics) |
based on high - resolution spectra obtained with the mike spectrograph on the magellan telescopes we present detailed elemental abundances for 20 red giant stars in the outer galactic disk, located at galactocentric distances between 9 and 13 kpc. the outer disk sample is complemented with samples of red giants from th... | arxiv:1106.1914 |
using the properties of the transfer matrix of one - dimensional quantum mechanical systems, we derive a technique to exactly compute the persistent current across a hybrid normal - superconducting - mesoscopic ring pierced by a magnetic flux phi as a single integral of a known function of the system ' s parameters. ou... | arxiv:1607.01707 |
we study the spectrum of scalar - isoscalar excitations in the color - flavor locked phase of dense quark matter. the sigma meson in this phase appears as a four - quark state ( of diquark and anti - diquark ) with a well - defined mass and extremely small width, as a consequence of it ' s small coupling to two pions. ... | arxiv:hep-ph/0209249 |
nickel - based superconductors provide a long - awaited experimental platform to explore possible cuprate - like superconductivity. despite similar crystal structure and $ d $ electron filling, these systems exhibit several differences. nickelates are the most polar layered oxide superconductor, raising questions about... | arxiv:2201.03613 |
let $ \ mathfrak { a }, \ mathfrak { b }, \ mathfrak { e } $ be algebras over a field $ k $. then $ \ mathfrak { e } $ is an extension of $ \ mathfrak { a } $ by $ \ mathfrak { b } $ if $ \ mathfrak { a } $ is an ideal of $ \ mathfrak { e } $ and $ \ mathfrak { b } $ is isomorphic to the quotient algebra $ \ mathfrak {... | arxiv:1603.01454 |
in recent years, various services have been provided through high - speed and high - capacity wireless networks on mobile communication devices, necessitating stable communication regardless of indoor or outdoor environments. to achieve stable communication, it is essential to implement proactive measures, such as swit... | arxiv:2410.15357 |
we present fits to the broadband photometric spectral energy distributions ( seds ) of 158 eclipsing binaries ( ebs ) in the tycho - 2 catalog. these ebs were selected because they have highly precise stellar radii, effective temperatures, and in many cases metallicities previously determined in the literature, and thu... | arxiv:1609.02579 |
the ginibre ensemble of nonhermitean random hamiltonian matrices $ k $ is considered. each quantum system described by $ k $ is a dissipative system and the eigenenergies $ z _ { i } $ of the hamiltonian are complex - valued random variables. the second difference of complex eigenenergies is viewed as discrete analog o... | arxiv:cond-mat/0212453 |
perpendicular magnetic anisotropy ( pma ) is a necessary condition for many spintronic applications like spin - orbit torques switching, logic and memory devices. an important class of magnetic insulators with low gilbert damping at room temperature are iron garnets, which only have a few pma types such as terbium and ... | arxiv:1905.13042 |
under assumption of singular behavior of invariant charge alpha _ s ( q ^ 2 ) at q ^ 2 sim 0 and of large q ^ 2 behavior, corresponding to the perturbation theory up to four loops, a procedure is considered of smooth matching the beta - function at a boundary of perturbative and nonperturbative regions. the procedure r... | arxiv:hep-ph/0411339 |
introduction : the paper addresses the challenging problem of predicting the short - term realized volatility of the bitcoin price using order flow information. the inherent stochastic nature and anti - persistence of price pose difficulties in accurate prediction. methods : to address this, we propose a method that tr... | arxiv:2304.02472 |
an exact solution for the bulk 5 - dimensional geometry is derived for f ( r ) gravity with non - flat de - sitter 3 - branes located at the $ m _ 4 \ times z _ 2 $ orbifold boundaries. the corresponding form of f ( r ) that leads to such an exact solution of the bulk metric is derived which turns out to have all posit... | arxiv:2108.00370 |
this paper deals with adaptive synchronization of chaos in the presence of time - varying communication - delays. we consider two bidirectionally coupled systems that seek to synchronize through a signal that each system sends to the other one and is transmitted with an unknown time - varying delay. we show that an app... | arxiv:1109.5126 |
supernova remnants ( snrs ) have long been hypothesized as the main source of galactic cosmic rays up to pev energies. some of them have indeed been shown to accelerate protons to tev energies and above. but which of them are indeed efficient accelerators of protons and nuclei? and up to which energies can they acceler... | arxiv:1907.08575 |
we discuss the sensitivity of nucleon properties ( mass, magnetic moments and electromagnetic form factors ) on the variation of the pseudoscalar meson masses in the context of the perturbative chiral quark model. the obtained results are compared to data and other theoretical predictions. | arxiv:0711.0691 |
there are many widely used tools for measuring test - coverage and code - coverage. test coverage is the ratio of requirements or other non - code artifacts covered by a test suite, while code - coverage is the ratio of source code covered by tests. almost all coverage tools show a few certain subset of coverage values... | arxiv:2408.06148 |
in an attempt to provide an answer to the increasing criticism against p - values and to bridge the gap between statistical inference and prediction modelling, we introduce the probability of improved prediction ( pip ). in general, the pip is a probabilistic measure for comparing two competing models. three versions o... | arxiv:2405.17064 |
in any cubic polynomial, the average of the slopes at the $ 3 $ roots is the negation of the slope at the average of the roots. in any quartic, the average of the slopes at the $ 4 $ roots is twice the negation of the slope at the average of the roots. we generalize such situations and present a procedure for determini... | arxiv:1706.08381 |
childhood and adolescent obesity rates are a global concern because obesity is associated with chronic diseases and long - term health risks. artificial intelligence technology has emerged as a promising solution to accurately predict obesity rates and provide personalized feedback to adolescents. this study emphasizes... | arxiv:2308.14657 |
anharmonicity and local disorder ( polymorphism ) are ubiquitous in perovskite physics, inducing various phenomena observed in scattering and spectroscopy experiments. several of these phenomena still lack interpretation from first - principles since, hitherto, no approach is available to account for anharmonicity and ... | arxiv:2302.09625 |
we explore partitions that lie in the intersection of several sets of classical interest : partitions with parts indivisible by $ m $, appearing fewer than $ m $ times, or differing by less than $ m $. we find results on their behavior and generating functions : more results for those simultaneously regular and distinc... | arxiv:1911.04755 |
our understanding of how visual systems detect, analyze and interpret visual stimuli has advanced greatly. however, the visual systems of all animals do much more ; they enable visual behaviours. how well the visual system performs while interacting with the visual environment and how vision is used in the real world h... | arxiv:2306.11756 |
we show that the secant variety of a linearly normal smooth curve of degree at least 2g + 3 is arithmetically cohen - macaulay, and we use this information to study the graded betti numbers of the secant variety. | arxiv:0806.3056 |
we reinterpret the results of the direct searches for dark matter in terms of milli - interacting dark particles. the model reproduces the positive results from dama / libra and cogent and is consistent with the absence of signal in the xenon100, cdms - ii / ge and lux detectors. dark atoms, interacting with standard a... | arxiv:1401.5243 |
we consider the possibility of having a large branching ratio for the decay $ b \ to s g $ coming from an enhanced wilson coefficient of the chromomagnetic dipole operator. we show that values of $ br ( b \ to s g ) $ up to $ \ sim 10 \ % $ or more are compatible with the constraints coming from the cleo experimental r... | arxiv:hep-ph/9604438 |
the unimodular theory of gravity is an alternative perspective to traditional einstein ' s general relativity and opens new possibilities for exploring its implications in cosmology. in this paper, we investigate the unimodular gravity ( ug ) with the latest cosmological data from the pantheon sample of type ia superno... | arxiv:2306.17754 |
we prove that if a link admits non - trivial ( 2k + 1 ) - colorings, with prime 2k + 1 > 7, it also admits non - trivial ( 2k + 1 ) - colorings not involving colors 2k, 2k - 1, nor k. | arxiv:1308.5278 |
we report the discovery of 13 new pulsars in the globular cluster ngc 1851 by the trapum large survey project using the meerkat radio telescope. the discoveries consist of six isolated millisecond pulsars ( msps ) and seven binary pulsars, of which six are msps and one is mildly recycled. for all the pulsars, we presen... | arxiv:2203.12302 |
we consider a lebesgue measure preserving map of the 2 - torus, given by the composition of orthogonal tent shaped shears. we establish strong mixing properties with respect to the invariant measure and polynomial decay of correlations for holder observables, making use of results from the chaotic billiards literature.... | arxiv:2303.08515 |
in a typical regular expression ( regex ) crossword puzzle, you are given two nonempty lists $ r _ 1, \ ldots, r _ m $ and $ c _ 1, \ ldots, c _ n $ of regular expressions over some alphabet, and your goal is to fill in an $ m \ times n $ grid with letters from that alphabet so that the string formed by the $ i $ th ro... | arxiv:1411.5437 |
deep neural networks have shown great success in representation learning. however, when learning with noisy labels ( lnl ), they can easily overfit and fail to generalize to new data. this paper introduces a simple and effective method, named learning to bootstrap ( l2b ), which enables models to bootstrap themselves u... | arxiv:2202.04291 |
we renormalize the divergences in the energy - momentum tensor of a scalar field that begins its evolution in an effective initial state. the effective initial state is a formalism that encodes the signatures of new physics in the structure of the quantum state of a field ; in an inflationary setting, these signatures ... | arxiv:hep-th/0609002 |
in recent years, formal methods of privacy protection such as differential privacy ( dp ), capable of deployment to data - driven tasks such as machine learning ( ml ), have emerged. reconciling large - scale ml with the closed - form reasoning required for the principled analysis of individual privacy loss requires th... | arxiv:2107.04265 |
in this article we deduce necessary and sufficient conditions for the presence of ` conti - type ', highly symmetric, exactly - stress free constructions in the geometrically non - linear, planar $ n $ - well problem, generalising results of [ ckz17 ]. passing to the limit $ n \ rightarrow \ infty $, this allows us to ... | arxiv:1904.08820 |
vehicle models have a long history of research and as of today are able to model the involved physics in a reasonable manner. however, each new vehicle has its new characteristics or parameters. the identification of these is the main task of an engineer. to validate whether the correct parameter set has been chosen is... | arxiv:2412.07521 |
we study fourier and laplace transforms for fourier hyperfunctions with values in a complex locally convex hausdorff space. since any hyperfunction with values in a wide class of locally convex hausdorff spaces can be extended to a fourier hyperfunction, this gives simple notions of asymptotic fourier and laplace trans... | arxiv:2104.02682 |
let l be an exact lagrangian submanifold inside the cotangent bundle of a closed manifold n. we prove that if n satisfies a mild homotopy assumption then the image of \ pi _ 2 ( l ) in \ pi _ 2 ( n ) has finite index. we make no assumption on the maslov class of l, and we make no orientability assumptions. the homotopy... | arxiv:0711.1396 |
we describe a d - - brane inflation model which consists of two fractional d3 branes separated on a transverse $ t ^ 2 \ times k3 $. inflation arises due to the resolved orbifold singularity of $ k3 $ which corresponds to an anomalous d - - term on the brane. we show that d - - brane inflation in the bulk corresponds t... | arxiv:hep-th/0312042 |
we propose a random feature model for approximating high - dimensional sparse additive functions called the hard - ridge random feature expansion method ( harfe ). this method utilizes a hard - thresholding pursuit - based algorithm applied to the sparse ridge regression ( srr ) problem to approximate the coefficients ... | arxiv:2202.02877 |
visual recognition and vision based retrieval of objects from large databases are tasks with a wide spectrum of potential applications. in this paper we propose a novel recognition method from video sequences suitable for retrieval from databases acquired in highly unconstrained conditions e. g. using a mobile consumer... | arxiv:1603.05073 |
we perform a comprehensive analysis of complete fusion cross section data with the aim to derive, in a completely data - driven way, a model suitable to predict the integrated cross section of the fusion between light to medium mass nuclei at above barrier energies. to this end, we adopted a novel artificial intelligen... | arxiv:2203.10367 |
dual kinetic balance ( dkb ) technique was previously developed to eliminate spurious states in the finite - basis - set - based solution of the dirac equation in central fields. in the present paper, it is extended to the dirac equation for systems with axial symmetry. the efficiency of the method is demonstrated by t... | arxiv:1311.5856 |
in this paper, we use geometric tools to study the structure of asymptotic expanders and show that a sequence of asymptotic expanders always admits a " uniform exhaustion by expanders ". it follows that asymptotic expanders cannot be coarsely embedded into any $ l ^ p $ - space, and that asymptotic expanders can be cha... | arxiv:1910.13320 |
a compact and robust laser system, based on a frequency - doubled telecom laser, providing all the lasers needed for a rubidium cold atom interferometer using optical lattices is presented. thanks to an optical switch at 1. 5 \ mu m and a dual - wavelength second harmonic generation system, only one laser amplifier is ... | arxiv:1610.02830 |
we present a comparison of the milky way ' s star formation rate ( sfr ) surface density ( $ \ sigma _ { \ rm sfr } $ ) obtained with two independent state - of - the - art observational methods. the first method infers $ \ sigma _ { \ rm sfr } $ from observations of the dust thermal emission from interstellar dust gra... | arxiv:2308.01330 |
the wealth of data being gathered about humans and their surroundings drives new machine learning applications in various fields. consequently, more and more often, classifiers are trained using not only numerical data but also complex data objects. for example, multi - omics analyses attempt to combine numerical descr... | arxiv:2204.05389 |
modern machine learning increasingly requires training on a large collection of data from multiple sources, not all of which can be trusted. a particularly concerning scenario is when a small fraction of poisoned data changes the behavior of the trained model when triggered by an attacker - specified watermark. such a ... | arxiv:2104.11315 |
we investigate theoretically the anisotropic electronic and optical behaviors of a monolayer black phosphorus ( phosphorene ) modulated by periodic potential superlattices in arbitrary directions. we demonstrate that different strength and orientation of the phosphorene potential superlattice can give rise to distinct ... | arxiv:1908.04199 |
we consider $ \ alpha $ - $ t _ 3 $ lattice illuminated by intense circularly polarized radiation in terahertz regime. we present quasienergy band structure, time - averaged energy spectrum and time - averaged density of states of $ \ alpha $ - $ t _ 3 $ lattice by solving the floquet hamiltonian numerically. we obtain... | arxiv:1805.10866 |
we establish a one - to - one correspondence between a class of strictly almost k \ " ahler metrics on the one hand, and lorentzian pp - wave spacetimes on the other ; the latter metrics are well known in general relativity, where they model radiation propagating at the speed of light. specifically, we construct famili... | arxiv:2203.02825 |
when a chromophore interacts with titrable molecular sites, the modeling of its photophysical properties requires to take into account all their possible protonation states. we have developed a multi - scale protocol, based on constant - ph molecular dynamics simulations coupled to qm / mm excitation energy calculation... | arxiv:1710.03684 |
ovadia and rodriguez - hertz ( neutralized local entropy, arxiv : 2302. 10874 ) defined the neutralized bowen open ball for an autonomous dynamical system on a compact metric space. replacing the usual bowen open ball with neutralized bowen open ball, we introduce the notions of neutralized bowen topological entropy of... | arxiv:2303.10132 |
we present an exact model of the detection statistics of a probabilistic source of photon pairs from which a fast, simple and precise method to measure the source ' s brightness and photon channel transmissions is demonstrated. we measure such properties for a source based on spontaneous parametric downconversion in a ... | arxiv:0808.2674 |
in this paper i propose very simple statistical " memory model " of one - dimensional directed polymers which is capable to store and retrieve a given random quenched trajectory. the model is defined in terms of the elastic string hamiltonian with the local attractive potential between the dynamic and the quenched rand... | arxiv:2206.10184 |
consider the plane as a checkerboard, with each unit square colored black or white in an arbitrary manner. in a previous paper we showed that for any such coloring there are straight line segments, of arbitrarily large length, such that the difference of their white length minus their black length, in absolute value, i... | arxiv:0811.3005 |
we report synchrotron x - ray scattering studies of charge / orbitally ordered ( coo ) nanoclusters in nd $ _ { 0. 7 } $ sr $ _ { 0. 3 } $ mno $ _ 3 $. we find that the coo nanoclusters are strongly suppressed in an applied magnetic field, and that their decreasing concentration follows the field - induced decrease of ... | arxiv:cond-mat/0110533 |
transformers have rapidly overtaken cnn - based architectures as the new standard in audio classification. transformer - based models, such as the audio spectrogram transformers ( ast ), also inherit the fixed - size input paradigm from cnns. however, this leads to performance degradation for asts in the inference when... | arxiv:2407.08691 |
the brightest giant flare from the soft $ \ gamma $ - ray repeater ( sgr ) 1806 - 20 was detected on 2004 december 27. the isotropic - equivalent energy release of this burst is at least one order of magnitude more energetic than those of the two other sgr giant flares. starting from about one week after the burst, a v... | arxiv:astro-ph/0507337 |
roc curves and cost curves are two popular ways of visualising classifier performance, finding appropriate thresholds according to the operating condition, and deriving useful aggregated measures such as the area under the roc curve ( auc ) or the area under the optimal cost curve. in this note we present some new find... | arxiv:1107.5930 |
the enormous technological potential accumulated over the past two decades would make it possible to change the operating principles of power systems entirely. the consequent technological evolution is not only affecting the structure of the electricity markets, but also the interactions between transmission system ope... | arxiv:2009.02088 |
it is well known that the spectral radius of a tree whose maximum degree is $ d $ cannot exceed $ 2 \ sqrt { d - 1 } $. in this paper we derive similar bounds for arbitrary planar graphs and for graphs of bounded genus. it is proved that a the spectral radius $ \ rho ( g ) $ of a planar graph $ g $ of maximum vertex de... | arxiv:0907.1591 |
a common approach for defining a reward function for multi - objective reinforcement learning ( morl ) problems is the weighted sum of the multiple objectives. the weights are then treated as design parameters dependent on the expertise ( and preference ) of the person performing the learning, with the typical result t... | arxiv:1909.05004 |
in this paper we obtain new sets of equivalents of the fermat - wiles theorem. simultaneously, we obtain also asymptotic connections between the set of dirichlet ' s series, certain segments of the dirichlet ' s sum $ \ mfrak { d } ( x ) $, riemann zeta - function and jacob ' s ladders. | arxiv:2502.12748 |
let g be an orthogonal or symplectic p - adic group ( not necessarily split ) or an inner form of a general linear p - adic group. in a previous paper, it was shown that the bernstein components of the category of smooth representations of g are equivalent to the category of right modules over some hecke algebra with p... | arxiv:1112.4330 |
we investigate spontaneous global symmetry breaking in the absence of lorentz invariance, and study technical naturalness of nambu - goldstone ( ng ) modes whose dispersion relation exhibits a hierarchy of multicritical phenomena with lifshitz scaling and dynamical exponents $ z > 1 $. for example, we find ng modes wit... | arxiv:1308.5967 |
we investigate the hydroelastic wake created by a perturbation moving at constant speed along a thin elastic sheet floating at the surface of deep water. using a high - resolution cross - correlation imaging technique, we characterize the waves as a function of the perturbation speed, for different sheet thicknesses. t... | arxiv:1806.07472 |
transformation of protein 3d structures from their all - atom representation ( aar ) to the double - centroid reduced representation ( dcrr ) is a prerequisite to the implementation of both the tetrahedral three - dimensional search motif ( 3d sm ) method for predicting specific ligand binding sites ( lbs ) in proteins... | arxiv:1512.00003 |
we formulate self - consistency equations for the distribution of links in spin models and of plaquettes in gauge theories. this improves upon known mean - field, mean - link, and mean - plaquette approximations in such that we self - consistently determine all moments of the considered variable instead of just the fir... | arxiv:1601.01175 |
designing synthetic routes for novel molecules is pivotal in various fields like medicine and chemistry. in this process, researchers need to explore a set of synthetic reactions to transform starting molecules into intermediates step by step until the target novel molecule is obtained. however, designing synthetic rou... | arxiv:2412.00729 |
in this paper, we give a brief survey of recent developments on noether ' s problem and rationality problem for multiplicative invariant fields including author ' s recent papers hoshi [ hos15 ] about noether ' s problem over q, hoshi, kang and kunyavskii [ hkk13 ], chu, hoshi, hu and kang [ chhk15 ], hoshi [ hos16 ] a... | arxiv:2010.01517 |
on the basis of first - principles gw calculations, we study the quasiparticle properties of the guanine, adenine, cytosine, thymine, and uracil dna and rna nucleobases. beyond standard g0w0 calculations, starting from kohn - sham eigenstates obtained with ( semi ) local functionals, a simple self - consistency on the ... | arxiv:1101.3738 |
we describe a fabrication stackup for digital logic with 16 superconducting nbtin layers, self - shunted a - silicon barrier josephson junctions ( jjs ), and low loss, high - $ \ kappa $ tunable hzo capacitors. the stack enables 400 mjj / cm $ ^ 2 $ device density, efficient routing, and ac power distribution on a reso... | arxiv:2303.16792 |
we present detailed photo + collisional ionization models and kinematic models of the multi - phase absorbing gas, detected within the hst / cos, hst / stis, and keck / hires spectra of the background quasar ton 153, at 104 kpc along the projected minor axis of a star - forming spiral galaxy ( z = 0. 6610 ). complement... | arxiv:1208.4098 |
we present new vlbi images of supernova 1986j, taken at 5, 8. 4 and 22 ghz between t = 22 to 25 yr after the explosion. the shell expands as t ^ ( 0. 69 + - 0. 03 ). we estimate the progenitor ' s mass - loss rate at ( 4 ~ 10 ) * 10 ^ - 5 msol / yr ( for v _ w = 10 km / s ). two bright spots are seen in the images. the... | arxiv:1002.0304 |
we describe explicit presentations of all stable and the first nonstable homotopy groups of the unitary groups. in particular, for each n > = 2 we supply n homotopic maps that each represent the ( n - 1 )! - th power of a suitable generator of pi _ 2n ( u ( n ) ) = z _ { n! }. the product of these n commuting maps is t... | arxiv:math/0301192 |
mixture - of - experts based large language models ( moe llms ) have shown significant promise in multitask adaptability by dynamically routing inputs to specialized experts. despite their success, the collaborative mechanisms among experts are still not well understood, limiting both the interpretability and optimizat... | arxiv:2504.12359 |
large - scale models have exhibited remarkable capabilities across diverse domains, including automated medical services and intelligent customer support. however, as most large models are trained on single - modality corpora, enabling them to effectively process and understand multimodal signals remains a significant ... | arxiv:2408.03001 |
web pages are a valuable source of information for many natural language processing and information retrieval tasks. extracting the main content from those documents is essential for the performance of derived applications. to address this issue, we introduce a novel model that performs sequence labeling to collectivel... | arxiv:1801.02607 |
we present results on an analysis of the decay constants f _ b and f _ bs with two flavours of sea quark. the calculation has been carried out on 3 different bare gauge couplings and 4 sea quark masses at each gauge coupling, with m _ pi / m _ rho ranging from 0. 8 to 0. 6. we employ the fermilab formalism to perform c... | arxiv:hep-lat/9909052 |
the reconstruction of a smooth field onto a fixed grid is a necessary step for direct comparisons to various real - world observations. projecting sph data onto a fixed grid becomes challenging in adaptive environments, where some particles may have smoothing lengths far below the grid size, whilst others are resolved ... | arxiv:2106.05281 |
we report on studies of the sensitivity to extra gauge bosons of the reactions e ^ + e ^ - - > nu nubar gamma and e gamma - > nu q + x to extract discovery limits for w ' ' s. the discovery potential for a w ' is, for some models, comparable to that of the lhc. these processes may be also useful for determining w ' and... | arxiv:hep-ph/0009325 |
this paper explores the problem of unknotting closed braids and classical knots in mathematical knot theory. we apply evolutionary computation methods to learn sequences of moves that simplify knot diagrams, and show that this can be effective both when the evolution is carried out for individual knots and when a gener... | arxiv:1302.0787 |
we show that in the case of unknown { \ em harmonic oscillator coherent states } it is possible to achieve what we call { \ it perfect information cloning }. by this we mean that it is still possible to make arbitrary number of copies of a state which has { \ it exactly } the same information content as the original un... | arxiv:quant-ph/0202020 |
this paper presents a novel generative model to synthesize fluid simulations from a set of reduced parameters. a convolutional neural network is trained on a collection of discrete, parameterizable fluid simulation velocity fields. due to the capability of deep learning architectures to learn representative features of... | arxiv:1806.02071 |
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