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image reconstruction based on an edge - sparsity assumption has become popular in recent years. many methods of this type are capable of reconstructing nearly perfect edge - sparse images using limited data. in this paper, we present a method to improve the accuracy of a suboptimal image resulting from an edge - sparsi...
arxiv:1902.00092
this paper discusses the design and implementation of a python - based toolset to aid in assessing the response of the uk ' s advanced gas reactor nuclear power stations to earthquakes. the seismic analyses themselves are carried out with a commercial finite element solver, but understanding the raw model output this p...
arxiv:1412.6410
the iot market is diverse and characterized by a multitude of vendors that support different device functions ( e. g., speaker, camera, vacuum cleaner, etc. ). within this market, iot security and observability systems use real - time identification techniques to manage these devices effectively. most existing iot iden...
arxiv:2403.01586
building robust recognizers for arabic has always been challenging. we demonstrate the effectiveness of an end - to - end trainable cnn - rnn hybrid architecture in recognizing arabic text in videos and natural scenes. we outperform previous state - of - the - art on two publicly available video text datasets - alif an...
arxiv:1711.02396
the conventional approach for analyzing gene expression data involves clustering algorithms. cluster analyses provide partitioning of the set of genes that can predict biological classification based on its similarity in n - dimensional space. in this study, we investigate whether network analysis will provide an advan...
arxiv:2208.10119
i present a new model for the quark mass matrices, which uses four scalar doublets together with a horizontal symmetry s3 x z3. the model is inspired on a suggestion made a few years ago by ma, but it is different. the predictions | vts | \ approx ms / mb and | vub / vcb | > 0. 085 are obtained. flavour - changing neut...
arxiv:hep-ph/9907538
safeguarding privacy in sensitive training data is paramount, particularly in the context of generative modeling. this can be achieved through either differentially private stochastic gradient descent or a differentially private metric for training models or generators. in this paper, we introduce a novel differentiall...
arxiv:2312.08227
the well - posedness is established for mckean - vlasov sdes driven by $ \ alpha $ - stable noises ( $ 1 < \ alpha < 2 $ ). in this model, the drift is h \ " { o } lder continuous in space variable and lipschitz continuous in distribution variable with respect to the sum of wasserstein and weighted variation distances,...
arxiv:2306.10970
we consider dirichlet exterior value problems related to a class of non - local schr \ " odinger operators, whose kinetic terms are given in terms of bernstein functions of the laplacian. we prove elliptic and parabolic aleksandrov - bakelman - pucci type estimates, and as an application obtain existence and uniqueness...
arxiv:1711.09267
two - point correlators and self - correlators of primordial perturbations in quasi - de sitter spacetime backgrounds are considered. for large separations two - point correlators exhibit nearly scale invariance, while for short distances self - correlators need standard renormalization. we study the deformation of two...
arxiv:1401.6912
we demonstrate a " bottom up " approach to the computational design of a multifunctional chemical sensor. general techniques are employed for describing the adsorption coverage and resistance properties of the sensor based on density functional theory ( dft ) and non - equilibrium green ' s function methodologies ( neg...
arxiv:1004.5334
a representative but not exhaustive review of the schwinger - dyson equation ( sde ) approach to the nonperturbative study of qcd is presented. the main focus is the sde for the quark self energy but studies of the gluon propagator and quark - gluon vertex are also discussed insofar as they are important to the quark s...
arxiv:hep-ph/9303278
in this paper, we present our numerical simulation results on the stimulated brillouin scattering ( sbs ) with injection of an ordinary mode ( o - mode ) electromagnetic wave ( our pump wave ) with frequencies 70 ghz and 110 ghz. solving the fourier transformed vlasov equation in the velocity space, creates a profile f...
arxiv:1612.02214
this paper considers two point boundary value problems for conservative systems defined in multiple coordinate systems, and develops a flexible a - posteriori framework for computer assisted existence proofs. our framework is applied to the study collision and near collision orbits in the circular restricted three body...
arxiv:2205.03922
in this work we calculate neutron and proton energy gaps in neutron star matter, using the bonn meson - - exchange interactions and a model - - space approach to the gap equation. this approach allows a consistent calculation of energy gaps and single particle energies with the model - - space brueckner - - hartree - -...
arxiv:nucl-th/9602020
the coincidence cross - section and the interference structure function, r _ lt, were measured for the 12c ( e, e ' p ) 11b reaction at quasielastic kinematics and central momentum transfer of q = 400 mev / c. the measurement was at an opening angle of theta _ pq = 11 degrees, covering a range in missing energy of e _ ...
arxiv:nucl-ex/9709003
datasets are critical for scientific research, playing an important role in replication, reproducibility, and efficiency. researchers have recently shown that datasets are becoming more important for science to function properly, even serving as artifacts of study themselves. however, citing datasets is not a common or...
arxiv:2405.13135
we study central simple algebras in various ways, focusing on the role of $ p $ - central subspaces. the first part of my thesis is dedicated to the study of clifford algebras. the standard clifford algebra of a given form is the generic associative algebra containing a $ p $ - central subspace whose exponentiation for...
arxiv:1406.0069
we use the ( m, n ) phase diagram recently introduced in hep - th / 0309116 to investigate the phase structure of black holes and strings on cylinders. we first prove that any static neutral black object on a cylinder can be put into an ansatz for the metric originally proposed in hep - th / 0204047, generalizing a res...
arxiv:hep-th/0309230
we establish new hoelder and lipschitz estimates for viscosity solutions of a large class of elliptic and parabolic nonlinear integro - differential equations, by the classical ishii - lions ' s method. we thus extend the hoelder regularity results recently obtained by barles, chasseigne and imbert ( 2011 ). in additio...
arxiv:1107.3228
we establish a mathematical framework that formally validates the two - phase ` ` super - population viewpoint ' ' proposed by hartley and sielken [ biometrics 31 ( 1975 ) 411 - - 422 ] by defining a product probability space which includes both the design space and the model space. the methodology we develop combines ...
arxiv:math/0603078
we consider the interference of two photons with different colors in the context of a hong - ou - mandel experiment, in which single photons enter each of the input ports of a beam splitter, and exit in the same, albeit undetermined, output port. such interference is possible if one uses an active ( energy - non - cons...
arxiv:1002.0350
we consider the low energy description of five dimensional models of supergravity with boundaries comprising a vector multiplet and the universal hypermultiplet in the bulk. we analyse the spontaneous breaking of supersymmetry induced by the vacuum expectation value of superpotentials on the boundary branes. when super...
arxiv:hep-th/0405143
in the colliding - wind region of massive binaries, non - thermal radio emission occurs. this non - thermal radio emission ( due to synchrotron radiation ) has so far been observed at centimetre wavelengths. at millimetre wavelengths, the stellar winds and the colliding - wind region emit more thermal free - free radia...
arxiv:1708.04834
we present the extension of our previous results for three - loop yukawa coupling beta - functions to the case of complex yukawa matrices describing the flavour structure of the sm. the calculation is carried out in the context of unbroken phase of the sm with the help of the mincer program in a general linear gauge an...
arxiv:1406.7171
we investigate electromechanical properties of two - dimensional mos $ _ 2 $ monolayers in the 1h, 1t, and 1t $ ^ \ prime $ structures as a function of charge doping by using density functional theory. we find isotropic elastic moduli in the 1h and 1t structures, while the 1t $ ^ \ prime $ structure exhibits an anisotr...
arxiv:1711.00188
we present the coupling of two frameworks - - the pseudo - open boundary simulation method known as constant potential molecular dynamics simulations ( c $ \ mu $ md ), combined with qmmd calculations - - to describe the properties of graphene electrodes in contact with electrolytes. the resulting c $ \ mu $ qmmd model...
arxiv:2212.03990
real - time data collection and analysis in large experimental facilities present a great challenge across multiple domains, including high energy physics, nuclear physics, and cosmology. to address this, machine learning ( ml ) - based methods for real - time data compression have drawn significant attention. however,...
arxiv:2111.05423
we show that first order semilinear pdes by stochastic perturbation are well - posedness for globally holder continuous and bounded vector field, with an integrability condition on the divergence. this result extends the liner case presented in [ 2 ]. the proof is based on in the stochastic characteristics method and a...
arxiv:1310.7404
optical imaging polarimetry was conducted on the hydrogen poor superluminous supernova 2020znr during 3 phases after maximum light ( approximately + 34 days, + 288 days and + 289 days ). after instrumental and interstellar polarization correction, all measurements are consistent with null - polarization detection. mode...
arxiv:2201.03887
glass, a ubiquitous state of matter like a frozen liquid, is a seminal issue across fundamental and applied sciences and has long been investigated in the framework of classical mechanics. a challenge in glass physics is the exploration of the quantum - mechanical behaviour of glass. experimentally, however, the real q...
arxiv:2205.10795
this paper shows how particle hopping models fit into the context of traffic flow theory. connections between fluid - dynamical traffic flow models, which derive from the navier - stokes - equations, and particle hopping models are shown. in some cases, these connections are exact and have long been established, but ha...
arxiv:cond-mat/9509075
a microscopic configuration - interaction ( ci ) methodology is introduced to enable bottom - up schroedinger - equation emulation of unconventional superconductivity in ultracold optical traps. we illustrate the method by exploring the properties of lithium - 6 atoms in a single square plaquette in the hole - pairing ...
arxiv:1703.10128
stimulated emission depletion ( sted ) microscopy has become a powerful imaging and localized excitation method beating the diffraction barrier for improved lateral spatial resolution in cellular imaging, lithography, etc. due to specimen - induced aberrations and scattering distortion, it has been a great challenge fo...
arxiv:1510.04076
fairness - aware machine learning has garnered significant attention in recent years because of extensive use of machine learning in sensitive applications like judiciary systems. various heuristics, and optimization frameworks have been proposed to enforce fairness in classification \ cite { del2020review } where the ...
arxiv:2304.13950
in fiber reinforced composites ( frc ) fiber breakage is a common phenomenon resulting in stress concentration. this high stress gets transfer in the vicinity of the breakage which is quantified by stress transfer coefficient ( stc ). in this paper, an attempt is made to check the effect of fiber volume fraction and th...
arxiv:2209.09801
considering a charged black hole ( bh ) surrounded by a perfect fluid radiation field ( pfrf ) in rastall gravity, we investigate this bh shadow and photon sphere on different spherical accretions backgrounds. the effect of the pfrf parameter / bh charge on the critical impact parameter is studied by investigating the ...
arxiv:2205.07242
parallel i / o refers to the ability of scientific programs to concurrently read / write from / to a single file from multiple processes executing on distributed memory platforms like compute clusters. in the hpc world, i / o becomes a significant bottleneck for many real - world scientific applications. in the last tw...
arxiv:2305.07414
we use the holographic hardwall model to calculate the masses of light glueball states with odd spin and p = c = - 1 associated with odderons. considering dirichlet and neumann boundary conditions we obtain expressions for the odderon regge trajectories consistent with those calculated using other approaches.
arxiv:1301.4457
we study mazur rotations problem focusing on the metric aspects of the action of the isometry group and semitransitivity properties.
arxiv:2109.01906
we study the susceptible - infected - recovered model of epidemics in the vicinity of the threshold infectivity. we derive the distribution of total outbreak size in the limit of large population size $ n $. this is accomplished by mapping the problem to the first passage time of a random walker subject to a drift that...
arxiv:q-bio/0701024
in this paper, we introduce a new conception of pseudorandom phase ensemble to simulate a quantum ensemble. a pseudorandom sequence is inseparability and integral that are demonstrated only for a whole sequence not for a single phase unit, which is similar to that of quantum ensembles and a quantum particle. by using t...
arxiv:1604.07652
the search for an application of near - term quantum devices is widespread. quantum machine learning is touted as a potential utilisation of such devices, particularly those which are out of the reach of the simulation capabilities of classical computers. in this work, we propose a generative quantum machine learning m...
arxiv:1904.02214
solar magnetic activity follows regular cycles of about 11 years with an inversion of polarity in the poles every 22 years. this changing surface magnetism impacts the properties of the acoustic modes. the acoustic mode frequency shifts are a good proxy of the magnetic cycle. in this letter we investigate solar magneti...
arxiv:2410.23928
bcs theory has been widely successful at describing elemental bulk superconductors. yet, as the length scales of such superconductors approach the atomic limit, dimensionality as well as the environment of the superconductor can lead to drastically different and unpredictable superconducting behavior. here, we report a...
arxiv:2210.10645
the orbital period of the recurrent nova u sco has been observed to decrease during the 1999 outburst. in an outburst mass is ejected from the surface of the white dwarf. the separation of the binary system widens and the orbital period increases. we find that magnetic braking between outbursts, mass transfer to the co...
arxiv:1003.4207
we present a theoretical model and experimental demonstration of thin liquid film deformations due to a dielectric force distribution established by surface electrodes. we model the spatial electric field produced by a pair of parallel electrodes and use it to evaluate the stress on the interface through maxwell stress...
arxiv:2102.11019
the primary challenge of density - functional - theory exploration of alloy systems concerns the size of computational model. small alloy models can hardly exhibit the chemical disorder properly, while large models induce difficulty in sampling the alignments within the massive material space. we study this problem wit...
arxiv:2406.18013
we consider solutions to the linear wave equation on a ( maximally extended ) schwarzschild spacetime, assuming only that the solution decays suitably at spatial infinity on a complete cauchy hypersurface. ( in particular, we allow the support of the solution to contain the bifurcate event horizon. ) we prove uniform d...
arxiv:gr-qc/0512119
using the categorical description of supergeometry we give an explicit construction of the diffeomorphism supergroup of a compact finite - dimensional supermanifold. the construction provides the diffeomorphism supergroup with the structure of a frechet supermanifold. in addition, we derive results about the structure ...
arxiv:0904.2726
this paper proposes a definition of gravitational observables and of their path integral formula within the framework of adm foliation and the choice of unimodular gauge classes. the method enforces a brst invariant gauge fixing of the lapse and shift fields. it yields the quantum level extension of the known classical...
arxiv:2012.01116
extending our previous work ( rosu, mancas, chen, ann. phys. 343 ( 2014 ) 87 - 102 ), we define supersymmetric partner potentials through a particular riccati solution of the form f ( x ) = ( x - c ) ^ 2 - 1, where c is a real shift parameter, and work out the quartic double - well family of one - parameter isospectral...
arxiv:1311.6866
light scalar fields can naturally couple disformally to standard model fields without giving rise to the unacceptably large fifth forces usually associated with light scalars. we show that these scalar fields can still be studied and constrained through their interaction with photons, and focus particularly on changes ...
arxiv:1306.4168
there exists two distinct off - shell $ { \ mathcal { n } } = 2 $ supergravities in three dimensions. they are also referred to as $ { \ mathcal { n } } = ( 1, 1 ) $ and $ { \ mathcal { n } } = ( 2, 0 ) $ supergravities, and they arise from the coupling of the weyl multiplet to a compensating scalar or vector multiplet...
arxiv:1412.3118
deep reinforcement learning ( rl ) algorithms can solve complex sequential decision tasks successfully. however, they have a major drawback of having poor sample efficiency which can often be tackled by knowledge reuse. in multi - agent reinforcement learning ( marl ) this drawback becomes worse, but at the same time, ...
arxiv:1905.01357
entanglement appears in two different ways in quantum mechanics, namely as a property of states and as a property of measurement outcomes in joint measurements. by combining these two aspects of entanglement, it is possible to generate nonlocality between particles that never interacted, using the protocol of entanglem...
arxiv:1103.5058
in this paper we present a new bootstrap procedure for elliptic systems with two unknown functions. combining with the $ l ^ p $ - $ l ^ q $ - estimates, it yields the optimal $ l ^ \ infty $ - regularity conditions for the three well - known types of weak solutions : $ h _ 0 ^ 1 $ - solutions, $ l ^ 1 $ - solutions an...
arxiv:0805.4550
in this paper, we studied systematically the semileptonic decays $ b _ s \ to \ phi l ^ + l ^ - $ with $ l ^ - = ( e ^ -, \ mu ^ -, \ tau ^ - ) $ by using the perturbative qcd ( pqcd ) and the " pqcd + lattice " factorization approach, respectively. we first evaluated all relevant form factors $ f _ i ( q ^ 2 ) $ in th...
arxiv:2011.11409
glaucoma remains among the leading causes of blindness despite many treatment options available today. effective treatment requires early diagnosis, which is difficult to achieve with existing imaging technologies that detect the already inflicted irreversible posterior eye damage. one improved approach could be to det...
arxiv:2209.11803
in this article we show that the holevo capacity of a classical quantum channel, can be reached not only by a povm but by von neumann measurement too. furthermore we show two use of this fact 1 ) we can generalize the classical compound channel to quantum environment and with this new measure technique we can give an o...
arxiv:0704.2513
we derive the gravitational waveform from the collapse of a rapidly rotating supermassive star ( sms ) core leading directly to a seed of a supermassive black hole ( smbh ) in axisymmetric numerical - relativity simulations. we find that the peak strain amplitude of gravitational waves emitted during the black - hole f...
arxiv:1606.07147
it is pointed out that the " counter example " presented in the comment is a family of probe wave functions which are increasingly broad as the shift becomes large. furthermore, the author ' s variational calculation is not correct in the sense that we have to gauge fix the freedom of the phase translation. it is shown...
arxiv:1304.1352
this paper analyzes the suitability of a beamed propulsion concept having properties consistent with the impulse gravity generator described by podkletnov et al. [ physics / 0108005 ]. the use of this propulsion concept for orbital maneuver, earth - to - orbit, interplanetary, and interstellar applications based on pre...
arxiv:physics/0209023
some estimates for the transverse single spin asymmetry, a _ n, in the inclusive processes l p ( transv. pol. ) - - > h x, given in a previous paper, are expanded and compared with new experimental data. the predictions are based on the sivers distributions and the collins fragmentation functions which fit the azimutha...
arxiv:1404.6465
the initial mass function ( imf ) of the first pop iii stars remains a persistent mystery. their predicted massive nature implies the existence of stars exploding as pair - instability supernovae ( pisn ), but no observational evidence had been found. now, the lamost survey claims to have discovered a pure pisn descend...
arxiv:2312.05309
let $ \ mathcal { a } \ subseteq { [ n ] \ choose a } $ and $ \ mathcal { b } \ subseteq { [ n ] \ choose b } $ be two families of subsets of $ [ n ] $, we say $ \ mathcal { a } $ and $ \ mathcal { b } $ are cross - intersecting if $ a \ cap b \ neq \ emptyset $ for all $ a \ in \ mathcal { a } $, $ b \ in \ mathcal { ...
arxiv:1809.08756
we employ quantum molecular dynamic simulations to investigate the behavior of benzene under shock conditions. the principal hugoniot derived from the equation of state is determined. we compare our firs - principles results with available experimental data and provide predictions of chemical reactions for shocked benz...
arxiv:0912.5272
we present a full description of the n - probability density function of the galaxy number density fluctuations. this n - pdf is given in terms, on the one hand, of the cold dark matter correlations and, on the other hand, of the galaxy bias parameter. the method relies on the assumption commonly adopted that the dark ...
arxiv:1506.07794
we analyze the phemomenon of induced fermion number at finite temperature. at finite temperature, the induced fermion number $ < n > $ is a thermal expectation value, and we compute the finite temperature fluctuations, $ ( \ delta n ) ^ 2 = < n ^ 2 > - < n > ^ 2 $. while the zero temperature induced fermion number is t...
arxiv:hep-th/0103061
methods for the analysis of the control process. = = = industrial engineering = = = industrial engineering is a branch of engineering that concerns the development, improvement, implementation, and evaluation of integrated systems of people, money, knowledge, information, equipment, energy, material, and process. indus...
https://en.wikipedia.org/wiki/Systems_engineering
in this paper, we continue to develop aubry - mather and weak kam theories for contact hamiltonian systems $ h ( x, u, p ) $ with certain dependence on the contact variable $ u $. for the lipschitz dependence case, we obtain some properties of the ma \ ~ { n } \ ' { e } set. for the non - decreasing case, we provide so...
arxiv:2107.07088
this paper disproves a conjecture of wang, wu, yan and xie, and answers in negative a question in dvorak, pekarek and sereni. in return, we pose five open problems.
arxiv:2002.07998
we propose a novel algorithm for selection of dangerous n - 2 contingencies associated with line or generator failures. the algorithm is based on iterative filtering of the set of all possible double contingencies. it is certified to identify all the dangerous contingencies, and has the complexity comparable to the n -...
arxiv:1303.3938
this is a review of searches for supersymmetry ( susy ) with the atlas detector in proton - proton collisions at a center - of - mass energy of 7 tev at the large hadron collider at cern. the review covers results that have been published, or submitted for publication, up to september 2012, many of which cover the full...
arxiv:1209.1742
employing the data from orbital periods and masses of extra - solar planets in 166 multiple planetary systems, the period - ratio and mass - ratio of adjacent planet pairs are studied. the correlation between the period - ratio and mass - ratio is confirmed and found to have a correlation coefficient of 0. 5303 with a ...
arxiv:1501.03562
we present a multihistogram reweighting technique for nonequilibrium markov chains with discrete energies. the method generalizes the single histogram method of yin et al. [ phys. rev. e72, 036122 ( 2005 ) ], making it possible to calculate the time evolution of observables at a posteriori chosen couplings based on a s...
arxiv:1304.1656
we prove that fargues - scholze ' s semisimplified local langlands correspondence ( for quasisplit groups ) with $ \ overline { \ mathbb { f } } _ \ ell $ - coefficients is compatible with deligne and kazhdan ' s philosophy of close fields. from this, we deduce that the same holds with $ \ overline { \ mathbb { q } } _...
arxiv:2407.07063
a method of transitional automorphic mapping of the genome on itself ( tamgi ) is aimed at combining detection and reconstruction of correlational and quasi - periodic motifs in the viral genomic rna / dna sequences. the motifs reconstructed by tamgi are robust with respect to indels and point mutations and can be trie...
arxiv:2010.07006
in four dimensions there are 4 different types of extremal maxwell / scalar black holes characterized by a scalar coupling parameter $ a $ with $ a = 0, 1 / \ sqrt { 3 }, 1, \ sqrt { 3 } $. these black holes can be described as intersections of ten - - dimensional non - singular ramond - ramond objects, i. e. ~ $ d $ -...
arxiv:hep-th/9605216
the state of quantum systems, their energetics, and their time evolution is modeled by abstract operators. how can one visualize such operators for coupled spin systems? a general approach is presented which consists of several shapes representing linear combinations of spherical harmonics. it is applicable to an arbit...
arxiv:1409.5417
analog quantum simulators rely on programmable quantum devices to emulate hamiltonians describing various physical phenomenon. photonic coupled cavity arrays are a promising platform for realizing such devices. using a silicon photonic coupled cavity array made up of 8 high quality - factor resonators and equipped with...
arxiv:2210.05070
we study public goods games played on networks with possibly non - reciprocal relationships between players. examples for this type of interactions include one - sided relationships, mutual but unequal relationships, and parasitism. it is well known that many simple learning processes converge to a nash equilibrium if ...
arxiv:2101.03863
the recently - discovered, nearby young supernova remnant in the southeast corner of the older vela supernova remnant may have been seen in measurements of nitrate abundances in antarctic ice cores. such an interpretation of this twenty - year - old ice - core data would provide a more accurate dating of this supernova...
arxiv:astro-ph/9909010
remote sensing change captioning ( rsicc ) aims to describe changes between bitemporal images in natural language. existing methods often fail under challenges like illumination differences, viewpoint changes, blur effects, leading to inaccuracies, especially in no - change regions. moreover, the images acquired at dif...
arxiv:2501.10075
this paper addresses well - posedness issues for the initial value problem ( ivp ) associated with the generalized zakharov - kuznetsov equation, namely, \ { equation * } \ quad \ left \ { \ { array } { lll } { \ displaystyle u _ t + \ partial _ x \ delta u + u ^ ku _ x = 0, } \ qquad ( x, y ) \ in \ mathbb { r } ^ 2, ...
arxiv:1010.5404
bergman ' s ring $ e _ p $, parameterized by a prime number $ p $, is a ring with $ p ^ 5 $ elements that cannot be embedded in a ring of matrices over any commutative ring. this ring was discovered in 1974. in 2011, climent, navarro and tortosa described an efficient implementation of $ e _ p $ using simple modular ar...
arxiv:1206.1077
a model in which the soft collisions of the nucleon are described in terms of interactions of its two constituents ( a quark and a diquark ) is proposed. when adjusted to describe precisely the elastic proton - proton scattering data and supplemented with the idea of wounded constituents, the model accounts rather well...
arxiv:nucl-th/0611021
the anomalies of a very general class of non local dirac operators are computed using the $ \ zeta $ - function definition of the fermionic determinant and an asymmetric version of the wigner transformation. for the axial anomaly all new terms introduced by the non locality can be brought to the standard minimal bardee...
arxiv:hep-th/9910230
non - equilibrium dynamics in an interacting fe - c nanoparticle sample, exhibiting a low temperature spin glass like phase, has been studied by low frequency ac - susceptibility and magnetic relaxation experiments. the non - equilibrium behavior shows characteristic spin glass features, but some qualitative difference...
arxiv:cond-mat/9909123
let $ x $ be a ball quasi - banach function space on $ { \ mathbb r } ^ n $ satisfying some mild assumptions and let $ \ alpha \ in ( 0, n ) $ and $ \ beta \ in ( 1, \ infty ) $. in this article, when $ \ alpha \ in ( 0, 1 ) $, the authors first find a reasonable version $ \ widetilde { i } _ { \ alpha } $ of the fract...
arxiv:2206.06551
the present work deals with the study of structural, ferroelectric, dielectric and electro - caloric effects in lead free ferroelectric polycrystalline ba1 - xcaxti0. 95sn0. 05o3 ( x = 2, 5 and 10 % ) i. e., ca, sn co - doped batio3 ( bto ). phase purity of the samples is confirmed from x - ray data by using rietveld r...
arxiv:1704.05475
the paper has been withdrawn by the author.
arxiv:cond-mat/9810090
we study the conditions under which the majorana phase of the two flavor neutrino mixing matrix appears in the oscillation probabilities and causes $ cp $ violation. we find that the majorana phase remains in the neutrino evolution equation if the neutrino decay eigenstates are not aligned with the mass eigenstates. we...
arxiv:2207.09480
conversion rate optimization means designing web interfaces such that more visitors perform a desired action ( such as register or purchase ) on the site. one promising approach, implemented in sentient ascend, is to optimize the design using evolutionary algorithms, evaluating each candidate design online with actual ...
arxiv:1803.03737
semidefinite programming ( sdp ) with diagonal constraints arise in many optimization problems, such as max - cut, community detection and group synchronization. although sdps can be solved to arbitrary precision in polynomial time, generic convex solvers do not scale well with the dimension of the problem. in order to...
arxiv:1807.04428
context : the detailed chemical abundances of extremely metal - poor ( emp ) stars are key guides to understanding the early chemical evolution of the galaxy. most existing data are, however, for giant stars which may have experienced internal mixing later. aims : we aim to compare the results for giants with new, accu...
arxiv:0903.4174
we report on the extraction of $ \ sin ^ 2 \ theta ^ { \ rm lept } _ { \ rm eff } ( m _ z ) $ and an indirect measurement of the mass of the w boson from the forward - backward asymmetry of dilepton events in the $ z $ boson mass region at the tevatron. the data samples of $ e ^ + e ^ - $ and $ \ mu ^ + \ mu ^ - $ even...
arxiv:1512.08256
the hausdorff dimension of the set of points that are covered infinitely many times by a sequence of randomly distributed balls in the unit cube can be expressed in terms of the sizes of the balls. this note presents a new proof of the formula.
arxiv:1910.12319
recurrence quantification analysis ( rqa ) can help to detect significant events and phase transitions of a dynamical system, but choosing a suitable set of parameters is crucial for the success. from recurrence plots different rqa variables can be obtained and analysed. currently, most of the methods for rqa radius op...
arxiv:1807.02896
we consider the sum - of - squares hierarchy of approximations for the problem of minimizing a polynomial $ f $ over the boolean hypercube $ \ mathbb { b } ^ { n } = \ { 0, 1 \ } ^ n $. this hierarchy provides for each integer $ r \ in \ mathbb { n } $ a lower bound $ f _ { ( r ) } $ on the minimum $ f _ { \ min } $ of...
arxiv:2011.04027