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science of science policy ( sosp ) is an emerging interdisciplinary research area that seeks to develop theoretical and empirical models of the scientific enterprise. this scientific basis can be used to help government, and society in general, make better r & d management decisions by establishing a scientifically rig... | https://en.wikipedia.org/wiki/Science_of_science_policy |
answering a question of randal - williams, we show the natural maps from split steinberg modules of a dedekind domain to the associated steinberg modules are surjective. | arxiv:2407.18208 |
we measured the temperature dependence of the 1st and the 3rd harmonics of the ac magnetic susceptibility on some type ii superconducting samples at different ac field amplitudes, hac. in order to interpret the measurements, we computed the harmonics of the ac susceptibility as function of the temperature t, by integra... | arxiv:cond-mat/0309333 |
thermodynamic properties of a spin ice model on a kagom \ ' e lattice are obtained from dynamic simulations and compared with properties in square lattice spin ice. the model assumes three - component heisenberg - like dipoles of an array of planar magnetic islands situated on a kagom \ ' e lattice. ising variables are... | arxiv:1407.4438 |
in this paper we introduce the $ ( n + 2 ) $ - dimensional born - infeld action with a dual field strength $ \ tilde { h } $. we compute the field equation by using schur polynomials and give a soliton solution. | arxiv:hep-th/9712002 |
in a 4 - manifold, the composition of a riemannian einstein metric with an almost paracomplex structure that is isometric and parallel, defines a neutral metric that is conformally flat and scalar flat. in this paper, we study hypersurfaces that are null with respect to this neutral metric and in particular we study th... | arxiv:2212.10679 |
we use a schr \ " odinger wave equation formalism to solve the eikonal equation. in our framework, a solution to the eikonal equation is obtained in the limit as planck ' s constant $ \ hbar $ ( treated as a free parameter ) tends to zero of the solution to the corresponding linear schr \ " odinger equation. the schr \... | arxiv:1403.1937 |
the international height reference system ( ihrs ) adopted by the iag in 2015 contains two novelties. first, the mean - tide system is adopted for handling the permanent tide. second, the reference level of height system is defined by the equipotential surface where the geopotential has a conventional value w0 = 626368... | arxiv:2006.08440 |
helically spin - polarized dirac fermions ( hsdf ) in protected topological surface states ( tss ) are of high interest as a new state of quantum matter. in three - dimensional ( 3d ) materials with tss, electronic bulk states often mask the transport properties of hsdf. recently, the high - field hall resistance and l... | arxiv:1707.09181 |
slip transfer at grain boundaries and annealing twin boundaries was studied in polycrystalline ni by means of slip trace analysis. slip transfer or blocking was assessed in $ > $ 200 boundaries and was related with geometrical criteria that establish the alignment between the active slip systems across the boundaries. ... | arxiv:2201.04936 |
after a short summary of my talk, i discuss $ k _ { l3 } $ decays and elastic $ \ pi \ pi $ scattering in the framework of chiral perturbation theory. | arxiv:hep-ph/9906543 |
in this paper, we explore the potential of the lhc to measure the rate of $ \ mathrm { p } \ mathrm { p } \ rightarrow \ mathrm { p } ~ ww \ gamma ~ \ mathrm { p } $ process, also to probe the new effective couplings contributing to the $ ww \ gamma $ and $ ww \ gamma \ gamma $ vertices. the analysis is performed at th... | arxiv:2004.12203 |
the existence of martingale solutions of the hydrodynamic - type equations in 3d possibly unbounded domains is proved. the construction of the solution is based on the faedo - galerkin approximation. to overcome the difficulty related to the lack of the compactness of sobolev embeddings in the case of unbounded domain ... | arxiv:1306.5342 |
the low - lying structure of $ ^ { 55 } $ sc has been investigated using in - beam $ \ gamma $ - ray spectroscopy with the $ ^ { 9 } $ be ( $ ^ { 56 } $ ti, $ ^ { 55 } $ sc + $ \ gamma $ ) $ x $ one - proton removal and $ ^ { 9 } $ be ( $ ^ { 55 } $ sc, $ ^ { 55 } $ sc + $ \ gamma $ ) $ x $ inelastic - scattering react... | arxiv:1710.07465 |
microboone is a neutrino experiment located in the booster neutrino beamline ( bnb ) at fermilab, which collected data from 2015 to 2021. microboone ' s liquid argon time projection chamber ( lartpc ) is accompanied by a photon detection system consisting of 32 photomultiplier tubes used to measure the argon scintillat... | arxiv:2304.02076 |
the electromagnetic radiation that followed the neutron star merger event gw170817 revealed that gamma - ray burst afterglows from jets misaligned with our line of sight exhibit a light curve with slowly rising flux. the slope of the rising light curve depends sensitively on the angle of the observer with respect to th... | arxiv:2009.04427 |
in this paper, we propose a new self - triggered consensus algorithm in networks of multi - agents. different from existing works, which are based on the observation of states, here, each agent determines its next update time based on its coupling structure. both centralized and distributed approaches of the algorithms... | arxiv:1501.07349 |
the observations of magnetic field variations as a signature of flaring activity is one of the main goal in solar physics. some efforts in the past give apparently no unambiguous observations of changes. we observed that the scaling laws of the current helicity inside a given flaring active region change clearly and ab... | arxiv:astro-ph/0207244 |
a search for the direct production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. the analysis uses a dataset of $ pp $ collisions corresponding to an integrated luminosity of 36. 1 fb $ ^ { - 1 } $, recorded with the atlas detector at the large hadron col... | arxiv:1708.07875 |
in this short note, we propose a scheme, in which two instances of an equatorial state ( or a polar state ) can be remotely prepared in one - shot operation to different receivers with prior entanglement and 1 bit of broadcasting. the trade - off curve between the amount of entanglement and the achievable fidelity is d... | arxiv:quant-ph/0302170 |
and another which is negative and denoted − x 0. { \ displaystyle - { \ sqrt { x _ { 0 } } }. } these choices define two continuous functions, both having the nonnegative real numbers as a domain, and having either the nonnegative or the nonpositive real numbers as images. when looking at the graphs of these functions,... | https://en.wikipedia.org/wiki/Function_(mathematics) |
the gribov - zwanziger prescription applied within yang - mills theory is demonstrated to be an efficient method for refining the theory ' s infrared dynamics. we study the collisional energy loss experienced by a high - energetic test parton as it traverses through the grivov plasma at finite temperature. to achieve t... | arxiv:2311.16005 |
this article explores citing and referencing systems in social sciences and medicine articles from different theoretical and practical perspectives, considering bibliographic references as a facet of descriptive representation. the analysis of citing and referencing elements ( i. e. bibliographic references, mentions, ... | arxiv:2009.05588 |
the analysis can improve the constraints on $ r $ and $ n _ s $. we further discuss the implications of our constraints on the test of inflation models. | arxiv:1207.6113 |
we consider jacobi matrices with eventually increasing sequences of diagonal and off - diagonal jacobi parameters. we describe the asymptotic behavior of the subordinate solution at the top of the essential spectrum, and the asymptotic behavior of the spectral density at the top of the essential spectrum. in particular... | arxiv:1705.09461 |
we consider convex sgd updates with a block - cyclic structure, i. e. where each cycle consists of a small number of blocks, each with many samples from a possibly different, block - specific, distribution. this situation arises, e. g., in federated learning where the mobile devices available for updates at different t... | arxiv:1904.10120 |
we show in this paper that the correspondence between $ 2 $ - term representations up to homotopy and $ \ mathcal { vb } $ - algebroids, established by gracia - saz and mehta, holds also at the level of morphisms. this correspondence is hence an equivalence of categories. as an application, we study foliations and dist... | arxiv:1302.3987 |
determining the nature - dirac or majorana - of massive neutrinos is one of the most pressing and challenging problems in the field of neutrino physics. we discuss how one can possibly extract information on the couplings, if any, which might be involved in neutrinoless double beta - decay using a multi - isotope appro... | arxiv:1510.05523 |
while the body of research directed towards constructing and generating clarifying questions in mixed - initiative conversational search systems is vast, research aimed at processing and comprehending users ' answers to such questions is scarce. to this end, we present a simple yet effective method for processing answe... | arxiv:2401.11463 |
we give the formula for the maximal systole of the surface admits the largest $ s ^ 3 $ - extendable abelian group symmetry. the result we get is $ 2 \ mathrm { arccosh } k $. here \ begin { eqnarray * } k & = & \ sqrt [ 3 ] { \ frac { 1 } { 216 } l ^ 3 + \ frac { 1 } { 8 } l ^ 2 + \ frac { 5 } { 8 } l - \ frac { 1 } {... | arxiv:1911.10474 |
in doped manganites, the strong electron - phonon coupling due to the jahn - teller effect localizes the conduction - band electrons as polarons. this results in polarons are carriers responsible for transport and ferromagnetic ordering rather than the bare eg electrons, and sequentially polaron exchange model is emerg... | arxiv:0812.2722 |
the capability of cosmic inflation to explain the latest cosmic microwave background and baryonic acoustic oscillation data is assessed by performing bayesian model comparison within the landscape of nearly three - hundred models of single - field slow - roll inflation. we present the first bayesian data analysis based... | arxiv:2404.10647 |
this paper develops a bayesian control chart for the percentiles of the weibull distribution, when both its in - control and out - of - control parameters are unknown. the bayesian approach enhances parameter estimates for small sample sizes that occur when monitoring rare events as in high - reliability applications o... | arxiv:1308.0691 |
a plethora of recent work has shown that convolutional networks are not robust to adversarial images : images that are created by perturbing a sample from the data distribution as to maximize the loss on the perturbed example. in this work, we hypothesize that adversarial perturbations move the image away from the imag... | arxiv:1903.01612 |
deep learning models often raise privacy concerns as they leak information about their training data. this enables an adversary to determine whether a data point was in a model ' s training set by conducting a membership inference attack ( mia ). prior work has conjectured that regularization techniques, which combat o... | arxiv:2006.05336 |
errors and inefficiencies. among the finding of meta - research is a low rates of reproducibility across a large number of fields. = = = replication crisis = = = = = = academic bias = = = = = = funding bias = = = = = = publication bias = = = = = = non - western methods = = = in many disciplines, western methods of cond... | https://en.wikipedia.org/wiki/Research |
for the spatial generalized $ n $ - centre problem $ $ \ ddot { x } = - \ sum _ { i = 1 } ^ { n } \ frac { m _ i ( x - c _ i ) } { \ vert x - c _ i \ vert ^ { \ alpha + 2 } }, \ qquad x \ in \ mathbb { r } ^ 3 \ setminus \ { c _ 1, \ dots, c _ n \ }, $ $ where $ m _ i > 0 $ and $ \ alpha \ in [ 1, 2 ) $, we prove the e... | arxiv:1710.00522 |
we study particle and chirality production from the vacuum in the presence of a slow strong parallel electromagnetic field superimposed by a fast weak perturbative electromagnetic field. we derive an analytical formula for the particle and chirality production number based on the perturbation theory in the furry pictur... | arxiv:2003.08948 |
non - relativistic interacting bosons at zero temperature, in two and three dimensions, are expected to exhibit a fascinating critical phase, famously known as condensate phase. even though a proof of bose - einstein condensation in the thermodynamic limit is still beyond reach of the current available methods, in the ... | arxiv:2209.11714 |
we present a combined experimental and theoretical study on copper pyrimidine dinitrate [ cupm ( no3 ) 2 ( h2o ) 2 ] n, a one - dimensional s = 1 / 2 antiferromagnet with alternating local symmetry. from the local susceptibility measured by nmr at the three inequivalent carbon sites in the pyrimidine molecule we deduce... | arxiv:cond-mat/0405147 |
light top superpartners play a key role in stabilizing the electroweak scale in supersymmetric theories. for $ r $ - parity conserved supersymmetric models, traditional searches are not sensitive to the compressed regions. in this paper, we propose a new method targeting this region, with stop and neutralino mass split... | arxiv:1506.00653 |
density estimation trees ( dets ) are decision trees trained on a multivariate dataset to estimate its probability density function. while not competitive with kernel techniques in terms of accuracy, they are incredibly fast, embarrassingly parallel and relatively small when stored to disk. these properties make dets a... | arxiv:1607.06635 |
we propose techniques for optimizing transmit beamforming in a full - duplex multiple - input - multiple - output ( mimo ) wireless - powered communication system, which consists of two phases. in the first phase, the wireless - powered mobile station ( ms ) harvests energy using signals from the base station ( bs ), w... | arxiv:1705.04014 |
let $ ( m, g ) $ be a closed riemannian manifold, where g is $ c ^ 1 $ - smooth metric. consider the sequence of eigenfunctions $ u _ k $ of the laplace operator on m. let $ b $ be a ball on $ m $. we prove a sharp estimate of the number of nodal domains of $ u _ k $ that intersect $ b $. the problem of local bounds fo... | arxiv:2008.00677 |
conjure is an automated modelling tool for constraint programming. in this documentation, you will find the following : a brief introduction to conjure, installation instructions, a description of how to use conjure through its command line user interface, a list of conjure ' s features, a description of conjure ' s in... | arxiv:1910.00475 |
we discuss gauge theories on d3 branes embedded in special non - tachyonic orientifolds of the 0b string theory. in general, they correspond to non - supersymmetric su ( n ) gauge theories with scalars in the adjoint representation and spinors in the ( anti - ) symmetric representation. we study these theories via the ... | arxiv:hep-th/9912257 |
let g be a lie group over a local field of positive characteristic which admits a contractive automorphism f ( i. e., the forward iterates f ^ n ( x ) of each group element x converge to the neutral element 1 ). we show that then g is a torsion group of finite exponent and nilpotent. we also obtain results concerning t... | arxiv:0704.3737 |
triply periodic minimal surfaces ( tpms ) possess locally minimized surface area under the constraint of periodic boundary conditions. different families of surfaces were obtained with different topologies satisfying such conditions. examples of such families include primitive ( p ), gyroid ( g ) and diamond ( d ) surf... | arxiv:2001.03430 |
in the disjoint paths problem, one is given a graph with a set of $ k $ vertex pairs $ ( s _ i, t _ i ) $ and the task is to connect each $ s _ i $ to $ t _ i $ with a path, so that the $ k $ paths are pairwise disjoint. in the optimization variant, max disjoint paths, the goal is to maximize the number of vertex pairs... | arxiv:2409.03596 |
we prove that the spectrum of the kirchhoff laplacian h0 of a finite simple barycentric refined graph and the spectrum of the connection laplacian l of g determine each other : we prove that l - l ^ ( - 1 ) is similar to the hodge laplacian h of g which is in one dimensions the direct sum of the kirchhoff laplacian h0 ... | arxiv:1802.01238 |
a recent submillimeter line survey of orion kl claimed detection of sih. this paper reports on gbt observations of the 5. 7 ghz lambda - doubling transitions of sih in orion. many recombination lines, including c164 - delta, are seen, but sih is not detected. the nondetection corresponds to an upper limit of 1. 5 x 10 ... | arxiv:astro-ph/0606495 |
we present new photometric observations of eclipsing binary systems v1241 tau and gq dra. we use the following methodology : initially, wd code is applied to the light curves, in order to determine the photometric elements of the systems. then the residuals are analysed using fourier transformation techniques. the resu... | arxiv:1309.3130 |
the sampling kaczmarz - motzkin ( skm ) method is a generalization of the randomized kaczmarz and motzkin methods. it first samples some rows of coefficient matrix randomly to build a set and then makes use of the maximum violation criterion within this set to determine a constraint. finally, it makes progress by enfor... | arxiv:2011.06688 |
we investigate the statistical properties of eigenvalues of pseudo - hermitian random matrices whose eigenvalues are real or complex conjugate. it is shown that when the spectrum splits into separated sets of real and complex conjugate eigenvalues, the real ones show characteristics of an intermediate incomplete spectr... | arxiv:2008.12088 |
multiprocessor task scheduling is an important and computationally difficult problem. this paper proposes a comparison study of genetic algorithm and list scheduling algorithm. both algorithms are naturally parallelizable but have heavy data dependencies. based on experimental results, this paper presents a detailed an... | arxiv:1002.1149 |
we present a new formula for all single trace tree amplitudes in four dimensional super yang - mills coupled to einstein supergravity. like the cachazo - he - yuan formula, our expression is supported on solutions of the scattering equations, but with momenta written in terms of spinor helicity variables. supersymmetry... | arxiv:1507.02207 |
here we propose an analytically tractable model of an entangled quantum state subject to random shocks and prove that disentanglement occurs asymptotically. the system consists of two identical, two level state systems, say two entangled qubits or two entangled two state molecules, and the heat bath consists of the occ... | arxiv:2502.20096 |
deep neural networks have demonstrated impressive success in no - reference image quality assessment ( nr - iqa ). however, recent researches highlight the vulnerability of nr - iqa models to subtle adversarial perturbations, leading to inconsistencies between model predictions and subjective ratings. current adversari... | arxiv:2404.13277 |
we study algorithms for spectral graph sparsification. the input is a graph $ g $ with $ n $ vertices and $ m $ edges, and the output is a sparse graph $ \ tilde { g } $ that approximates $ g $ in an algebraic sense. concretely, for all vectors $ x $ and any $ \ epsilon > 0 $, $ \ tilde { g } $ satisfies $ $ ( 1 - \ ep... | arxiv:1209.5821 |
a value of ( - 6. 1 + - 0. 9 _ { stat } + - 0. 5 _ { syst } ) * 10 ^ { - 3 } is obtained for the quadratic slope parameter h in the k _ l - > 3 \ pi ^ 0 decay dalitz plot at the na48 experiment at the cern sps. the result is based on 14. 7 * 10 ^ 6 fully reconstructed k _ l - > 3 \ pi ^ 0 - > 6 \ gamma decays. this is ... | arxiv:hep-ex/0106075 |
we use photometric and spectroscopic observations of the eclipsing binaries v65, v66 and v69 in the field of the globular cluster m4 to derive masses, radii, and luminosities of their components. the orbital periods of these systems are 2. 29, 8. 11 and 48. 19 d, respectively. the measured masses of the primary and sec... | arxiv:1301.2946 |
the final astrometric data from the gaia mission will transform our view of the stellar content of the galaxy, particularly when complemented with spectroscopic surveys providing stellar parameters, line - of - sight kinematics and elemental abundances. analyses with gaia dr1 are already demonstrating the insight gaine... | arxiv:1711.01517 |
we demonstrate quantum resonance ratchets created with bose - einstein condensates exposed to pulses of an off - resonant standing light wave. we show how some of the basic properties of the ratchets are controllable through the creation of different initial states of the system. in particular, our results prove that t... | arxiv:1608.09003 |
the search for weakly - interacting massive particle ( wimp ) dark matter is multi - pronged. ultimately, the wimp - dark - matter picture will only be confirmed if different classes of experiments see consistent signals and infer the same wimp properties. in this work, we review the ideas, methods, and status of direc... | arxiv:1310.7039 |
multiple object tracking ( mot ) in thermal imaging presents unique challenges due to the lack of visual features and the complexity of motion patterns. this paper introduces an innovative approach to improve mot in the thermal domain by developing a novel box association method that utilizes both thermal object identi... | arxiv:2411.12943 |
in bankruptcy prediction, the proportion of events is very low, which is often oversampled to eliminate this bias. in this paper, we study the influence of the event rate on discrimination abilities of bankruptcy prediction models. first the statistical association and significance of public records and firmographics i... | arxiv:1803.03756 |
in this paper we develop a dynamic form of bayesian optimization for machine learning models with the goal of rapidly finding good hyperparameter settings. our method uses the partial information gained during the training of a machine learning model in order to decide whether to pause training and start a new model, o... | arxiv:1406.3896 |
we study the emergence of phase - locking for winfree oscillators under the effect of inertia. it is known that in a large coupling regime, oscillators governed by the deterministic second - order winfree model with inertia converge to a unique equilibrium. in contrast, in this paper we show the asymptotic emergence of... | arxiv:2205.13844 |
successful smart services require seamless integration into existing corporate systems and an interdisciplinary approach that aligns the development of both business models and technical architectures. multi - disciplinarity and cocreating with customers add a layer of complexity but are essential collaboration schemes... | arxiv:2502.09270 |
pistons are elementary components of a wide variety of thermal engines, allowing to convert input fuel into rotational motion. here, we propose a single - piston engine where the rotational degree of freedom is effectively realized by the flux of a josephson loop - - a quantum rotor - - while the working volume corresp... | arxiv:1802.05486 |
powerful spectrum decision schemes enable cognitive radios ( crs ) to find transmission opportunities in spectral resources allocated exclusively to the primary users. one of the key effecting factor on the cr network throughput is the spectrum sensing sequence used by each secondary user. in this paper, secondary user... | arxiv:1111.4624 |
in the context of quantum gravity, we clarify entanglement calculations on spin networks : we distinguish the gauge - invariant entanglement between intertwiners located at the nodes and the entanglement between spin states located on the network ' s links. we compute explicitly these two notions of entanglement betwee... | arxiv:1709.08511 |
the status of coupling constant unification - - assuming the validity of the standard model or of its minimal supersymmetric extension at high energies - - and of relations between various yukawa couplings ( assuming the supersymmetri extension ) which are implied in certain grand - unified theories, are studied in det... | arxiv:hep-ph/9411378 |
synthetic data is a powerful tool in training data hungry deep learning algorithms. however, to date, camera - based physiological sensing has not taken full advantage of these techniques. in this work, we leverage a high - fidelity synthetics pipeline for generating videos of faces with faithful blood flow and breathi... | arxiv:2110.04902 |
drones as advanced cyber - physical systems are undergoing a transformative shift with the advent of vision - based learning, a field that is rapidly gaining prominence due to its profound impact on drone autonomy and functionality. different from existing task - specific surveys, this review offers a comprehensive ove... | arxiv:2312.05019 |
the dielectric properties of bi $ _ 2 $ te $ _ 3 $, a layered compound crystallizing in a rhombohedral structure, are investigated by means of first - principles calculations at the random phase approximation level. a special attention is devoted to the anisotropy in the dielectric function and to the local field effec... | arxiv:2306.15398 |
federated learning ( fl ) enables multiple clients to collaboratively train an accurate global model while protecting clients ' data privacy. however, fl is susceptible to byzantine attacks from malicious participants. although the problem has gained significant attention, existing defenses have several flaws : the ser... | arxiv:2204.13256 |
a highly pure and stable single - photon source is prepared that comprises a well - designed pillar array in which each pillar contains only a few inas quantum dots. a nano - pillar in this array is in direct contact with a fiber end surface and cooled in a liquid - he bath. auto - correlation measurement shows that th... | arxiv:1707.03131 |
we present a new flexible estimator for comparing theoretical templates for the predicted bispectrum of the cmb anisotropy to observations. this estimator, based on binning in harmonic space, generalizes the optimal estimator of komatsu, spergel, and wandelt by allowing an adjustable weighting scheme for masking possib... | arxiv:0911.1642 |
dems have been used to experimental studying the temporal evolution of the march maximum of fluxes of near - earth daemons. it is shown that part of objects from near - earth almost circular heliocentric orbits ( neachos ), from which a rather intense flux proceeds during only about four weeks, forms in the second half... | arxiv:1206.5758 |
this paper concerns some spectral properties of the scalar dynamical system defined by a linear delay - differential equation with two positive delays. more precisely, the existing links between the delays and the maximal multiplicity of the characteristic roots are explored, as well as the dominancy of such roots comp... | arxiv:2204.12821 |
external magnetic fields conventionally suppress superconductivity, both by orbital and paramagnetic effects. a recent experiment has shown that in a bernal stacked bilayer graphene system, the opposite occurs - - a finite critical magnetic field is necessary to observe superconducting features occurring in the vicinit... | arxiv:2303.04176 |
we give a general way of representing the crystal ( base ) corresponding to the intgrable highest weight modules of quantum kac - moody algebras, which is called polyhedral realizations. this is applied to describe explicitly the crystal bases of integrable highest weight modules for arbitrary rank 2 kac - moody algebr... | arxiv:math/9806085 |
we describe $ { \ rm forb } \ { k _ { 1, 3 }, \ bar { k _ { 1, 3 } } \ } $, the class of graphs $ g $ such that $ g $ and its complement $ \ bar { g } $ are claw - free. with few exceptions, it is made of graphs whose connected components consist of cycles of length at least 4, paths, and of the complements of these gr... | arxiv:1309.1835 |
the most well - known conjecture in the context of matroid secretary problems claims the existence of a constant - factor approximation applicable to any matroid. whereas this conjecture remains open, modified forms of it were shown to be true, when assuming that the assignment of weights to the secretaries is not adve... | arxiv:1207.1333 |
[ context ] the growing software development market has increased the demand for qualified professionals in software engineering ( se ). to this end, companies must enhance their recruitment and selection ( r & s ) processes to maintain high quality teams, including opening opportunities for beginners, such as trainees... | arxiv:2406.02487 |
quantitative descriptions of strongly correlated materials pose a considerable challenge in condensed matter physics and chemistry. a promising approach to address this problem is quantum embedding methods. in particular, the dynamical mean - field theory ( dmft ) maps the original system to an effective quantum impuri... | arxiv:2112.02764 |
the spectroscopic analysis of 117 serendipitous sources in the hellas2xmm 1df ( 1 degree field ) survey is described. of these, 106 sources, of which 86 % have a spectroscopic redshift, are used to evaluate the fraction of x - ray absorbed ( log nh > 22 ) active galactic nuclei ( agn ) in the 2 - - 10 kev flux range 0.... | arxiv:astro-ph/0404044 |
given a weak kac system with duality $ ( \ mathcal { h }, v, u ) $ arising from regular $ \ mathrm { c } ^ { * } $ - algebraic locally compact quantum group $ ( \ mathcal { g }, \ delta ) $, a $ \ mathrm { c } ^ { * } $ - algebra $ a $, and a sufficiently well - behaved coaction $ \ alpha $, we construct natural lattic... | arxiv:2504.11677 |
in the context of the modified becke - johnson ( mbj ) potential, we recently underlined that $ \ bar { g } $, the average of $ \ left \ vert \ nabla \ rho \ right \ vert / \ rho $ in the unit cell, has markedly different values in transition - metal oxides and pure transition metals [ tran et al., j. appl. phys. 126, ... | arxiv:2108.07687 |
wirelessly powered backscatter communication ( wpbc ) has been identified as a promising technology for low - power communication systems, which can reap the benefits of energy beamforming to improve energy transfer efficiency. however, existing studies on energy beamforming fail to simultaneously take energy supply an... | arxiv:2011.01533 |
the united rest mass and charge of a particle correspond to the two forms of the same regularity of the unified nature of its ultimate structure. each of them contains the electric, weak, strong and the gravitational contributions. as a consequence, the force of an attraction among the two neutrinos and force of their ... | arxiv:hep-ph/0401230 |
let $ \ mathbb f $ denote an algebraically closed field and assume that $ q \ in \ mathbb f $ is a primitive $ d ^ { \ rm \, th } $ root of unity with $ d \ not = 1, 2, 4 $. the universal askey - - wilson algebra $ \ triangle _ q $ is a unital associative $ \ mathbb f $ - algebra defined by generators and relations. th... | arxiv:1906.01776 |
we demonstrate that the true qcd axion that solves the strong cp problem can be found in all generality outside the customary standard qcd band, with qcd being the sole source of peccei - quinn breaking. the essential reason is that the basis of axion - gluon interactions does not need to coincide with the mass basis. ... | arxiv:2305.15465 |
golay complementary pairs ( gcps ) and complete complementary codes ( cccs ) have found a wide range of practical applications in coding, signal processing and wireless communication due to their ideal correlation properties. in fact, binary cccs have special advantages in spread spectrum communication due to their sim... | arxiv:2109.08567 |
this paper shows that one can be competitive with the k - means objective while operating online. in this model, the algorithm receives vectors v _ 1,..., v _ n one by one in an arbitrary order. for each vector the algorithm outputs a cluster identifier before receiving the next one. our online algorithm generates ~ o ... | arxiv:1412.5721 |
two key challenges within reinforcement learning involve improving ( a ) agent learning within environments with sparse extrinsic rewards and ( b ) the explainability of agent actions. we describe a curious subgoal focused agent to address both these challenges. we use a novel method for curiosity produced from a gener... | arxiv:2104.06630 |
a characterization of dynamically defined zeta functions is presented. it comprises a list of axioms, natural extension of the one which characterizes topological degree, and a uniqueness theorem. lefschetz zeta function is the main ( and proved unique ) example of such zeta functions. another interpretation of this fu... | arxiv:1605.08725 |
spin - charge conversion by inverse spin hall effect or inverse rashba - edelstein effect is prevalent in spintronics but dissipative. we propose a dissipationless spin - charge conversion mechanism by an excitonic pseudospin superfluid in an electron - hole double layer system. magnetic exchange fields lift singlet - ... | arxiv:2108.00409 |
we present here preliminary results concerning 32 stars identified as main gamma doradus candidates by the corot variable classifier ( cvc ) among the 4 first fields of the exoplanet ccds. | arxiv:0909.0140 |
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