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photoexcited organic chromophores appended to molecular qubits can serve as a source of spin initialization or multi - level qudit generation for quantum information applications. so far, this approach has been primarily investigated in chromophore / stable radical systems. here, we extend this concept to a meso - meso... | arxiv:2408.02104 |
let $ g $ be a graph of order $ n $ and let $ u, v $ be vertices of $ g $. let $ \ kappa _ g ( u, v ) $ denote the maximum number of internally disjoint $ u $ - $ v $ paths in $ g $. then the average connectivity $ \ overline { \ kappa } ( g ) $ of $ g $, is defined as $ \ overline { \ kappa } ( g ) = \ sum _ { \ { u, ... | arxiv:2106.04083 |
in this paper we study a distributed optimal control problem for a nonlocal convective cahn - - hilliard equation with degenerate mobility and singular potential in three dimensions of space. while the cost functional is of standard tracking type, the control problem under investigation cannot easily be treated via sta... | arxiv:1404.1765 |
after providing an explicit k - stability condition for a $ \ mathbb { q } $ - gorenstein log spherical cone, we prove the existence and uniqueness of an equivariant k - stable degeneration of the cone, and deduce uniqueness of the asymptotic cone of a given complete $ k $ - invariant calabi - yau metric in the trivial... | arxiv:2405.05833 |
accurate prediction of the water properties from a low - cost ab - initio method still a foremost problem for chemists and physicist. though density functional approaches starting from semilocal to hybrid functionals are tested, those are not efficiently performed for all the properties together, especially, considerin... | arxiv:1909.13207 |
this work builds a bridge between density functional theory ( dft ) and model interpretations of anderson ' s superexchange theory by constructing a $ f $ - $ d $ - $ p $ model with dft wannier functions to enable a direct quantum many - body solution within an embedding approach. when applied to long - range magnetic ... | arxiv:2011.00385 |
in 2020 the european space agency selected ariel as the next mission to join the space fleet of observatories to study planets outside our solar system. ariel will be devoted to the characterisation of a thousand planetary atmospheres, for understanding what exoplanets are made of, how they formed and how they evolve. ... | arxiv:2204.08825 |
the boundary value problems for linear and nonlinear singular degenerate differential - operator equations are studied. we prove a well - posedeness of linear problem and optimal regularity result for the nonlinear problem which occur in fluid mechanics, environmental engineering and in the atmospheric dispersion of po... | arxiv:1707.01376 |
this squib examines the role of limited attention in a theory of discourse structure and proposes a model of attentional state that relates current hierarchical theories of discourse structure to empirical evidence about human discourse processing capabilities. first, i present examples that are not predicted by grosz ... | arxiv:cmp-lg/9512003 |
in the present work, we construct the diquark - antidiquark type four - quark currents to investigate the mass spectrum of the ground state hidden - charm - hidden - strange tetraquark states with the quantum numbers $ j ^ { pc } = 0 ^ { + + } $, $ 1 ^ { + - } $, $ 1 ^ { + + } $ and $ 2 ^ { + + } $ via the traditional ... | arxiv:2407.08759 |
a belyi map $ \ beta : \ mathbb { p } ^ 1 ( \ mathbb { c } ) \ to \ mathbb { p } ^ 1 ( \ mathbb { c } ) $ is a rational function with at most three critical values ; we may assume these values are $ \ { 0, \, 1, \, \ infty \ } $. replacing $ \ mathbb { p } ^ 1 $ with an elliptic curve $ e : \ y ^ 2 = x ^ 3 + a \, x + b... | arxiv:2212.11373 |
the streaming instability is an efficient method for overcoming the barriers to planet formation in protoplanetary discs. the streaming instability has been extensively modelled by hydrodynamic simulations of gas and a single dust size. however, more recent studies considering a more realistic case of a particle size d... | arxiv:2502.01752 |
of the imo. the exact dates cited may also differ, because of leaders arriving before the students, and at more recent imos the imo advisory board arriving before the leaders. several students, such as lisa sauermann, peter scholze, reid w. barton, nicusor dan ( notably elected president of romania in 2025 ) and cipria... | https://en.wikipedia.org/wiki/International_Mathematical_Olympiad |
low - density parity - check ( ldpc ) codes received much attention recently due to their capacity - approaching performance. the iterative message - passing algorithm is a widely adopted decoding algorithm for ldpc codes \ cite { kschischang01 }. an important design issue for ldpc codes is designing codes with fast de... | arxiv:cs/0602081 |
motion of ferroelectric domain walls greatly contributes to the macroscopic dielectric and piezoelectric response of ferroelectric materials. the domain wall motion through the ferroelectric material is however hindered by pinning on crystal defects which substantially reduces these contributions. here, using thermodyn... | arxiv:1601.02116 |
learning dexterous locomotion policy for legged robots is becoming increasingly popular due to its ability to handle diverse terrains and resemble intelligent behaviors. however, joint manipulation of moving objects and locomotion with legs, such as playing soccer, receive scant attention in the learning community, alt... | arxiv:2403.14300 |
recurrent neural networks ( rnns ) in the brain and in silico excel at solving tasks with intricate temporal dependencies. long timescales required for solving such tasks can arise from properties of individual neurons ( single - neuron timescale, $ \ tau $, e. g., membrane time constant in biological neurons ) or recu... | arxiv:2309.12927 |
this paper examines impulsive non - autonomous systems with grazing periodic solutions. surfaces of discontinuity and impact functions of the systems are not depending on the time variable. that is, we can say that the impact conditions are stationary, and this makes necessity to study the problem in a new way. the mod... | arxiv:1608.07790 |
a combined neutron and x - ray diffraction study of tbbafe2o5 reveals a rare checkerboard to charge ordering transition. tbbafe2o5 is a mixed valent compound where fe2 + / fe3 + ions are known to arrange into a stripe charge - ordered state below tv = 291 k, that consists of alternating fe2 + / fe3 + stripes in the bas... | arxiv:1210.7228 |
we study the superconducting order in a two - dimensional square lattice hubbard model with weak repulsive interactions, subject to a zeeman field and weak rashba spin - orbit interactions. diagonalizing the non - interacting hamiltonian leads to two separate bands, and by deriving an effective low - energy interaction... | arxiv:1711.11047 |
we consider the minimal supergravity model with universality of scalar and gaugino masses plus an extra bilinear term in the superpotential which breaks r - parity and lepton number. we explicitly check the consistency of this model with the radiative breaking of the electroweak symmetry. a neutrino mass is radiatively... | arxiv:hep-ph/9712213 |
given a sample of size $ n $ from a population of individuals belonging to different species with unknown proportions, a popular problem of practical interest consists in making inference on the probability $ d _ { n } ( l ) $ that the $ ( n + 1 ) $ - th draw coincides with a species with frequency $ l $ in the sample,... | arxiv:1506.04915 |
the structure of the electroweak theory is suggested by classical geometrical ideas. a nonlinear map is constructed, from a 12 - dimensional linear space of three weyl spinors onto the 12 - dimensional tangent bundle of the stiefel manifold of orthonormal tetrads associated with the lorentz group - - except, inevitably... | arxiv:hep-th/0302048 |
two - dimensional ( 2d ) atom localization via the spontaneously generated coherence ( sgc ) and detunings associated with the probe and standing - wave driving fields in a three - level v - type atomic system are investigated. in the gain process, two equal and tunable peak maxima of position distribution in the plane... | arxiv:2403.12102 |
we have investigated the differences in apparent opening angles between the parsec - scale jets of the active galactic nuclei ( agn ) detected by the fermi large area telescope ( lat ) during its first 24 months of operations and those of non - lat - detected agn. we used 15. 4 ghz vlba observations of 215 sources from... | arxiv:1205.0659 |
studying the supersymmetry enhancement mechanism of aharony, bergman, jafferis and maldacena, we find a simple condition on the gauge group generators for the matter fields. we analyze all possible compact lie groups and their representations. the only allowed gauge groups leading to the manifest n = 6 supersymmetry ar... | arxiv:0807.1102 |
we briefly review the lepton flavor violating z - decays at gigaz as a probe of supersymmetry by focusing on $ z \ to \ ell _ i \ overline { \ ell } _ j $ in two representative supersymmetric models : the minimal supersymmetric model without r - parity and the supersymmetric seesaw model. we conclude that under the cur... | arxiv:1006.2594 |
##izations ), the proposed loss function ( defined as a nonlinear functional of the empirical distribution ) effectively trains the underlying kernel defined by the cnn beyond regressing the data with that kernel. | arxiv:2002.08335 |
we use a novel sample geometry to study non - local effects of edge excitations in the integer quantum hall effect regime. we find that the condition of local equilibrium at the quantum hall edge is affected by the diffusion of dynamically polarized nuclei. our analysis indicates, that the nuclear diffusion is effectiv... | arxiv:1002.4270 |
in a highly simplified view, a disease can be seen as the phenotype emerging from the interplay of genetic predisposition and fluctuating environmental stimuli. we formalize this situation in a minimal model, where a network ( representing cellular regulation ) serves as an interface between an input layer ( representi... | arxiv:2204.12178 |
we study the structure of the generator of a symmetric, conservative quantum dynamical semigroup with norm - bounded generator on a von neumann algebra equipped with a faithful semifinite trace. for von neumann algebras with abelian commutant ( i. e. type i von neumann algebras ), we give a necessary and sufficient alg... | arxiv:math-ph/0207047 |
we perform a three dimensional lattice simulation of the electroweak symmetry breaking process through a two - step phase transition, where one of the two steps is a first order phase transition. our results show that : 1 ) when the electroweak symmetry breaking is driven by the beyond standard model sector around $ \ ... | arxiv:2204.04427 |
time - domain interferometry is an important principle in fourier transform ( ft ) and nonlinear femto - to attosecond spectroscopy. to optimize the resolution and sensitivity of this approach, various interferometer stabilization schemes have been developed. among them, acousto - optical phase modulation ( aopm ) of t... | arxiv:2502.17256 |
estimation mainly for two classes of popular models, single - index and partially linear single - index models, is studied in this paper. such models feature nonstationarity. orthogonal series expansion is used to approximate the unknown integrable link functions in the models and a profile approach is used to derive t... | arxiv:1601.06003 |
predicting the state - of - health ( soh ) of lithium - ion batteries is a fundamental task of battery management systems on electric vehicles. it aims at estimating future soh based on historical aging data. most existing deep learning methods rely on filter - based feature extractors ( e. g., cnn or kalman filters ) ... | arxiv:2304.08502 |
lidar datasets now commonly reach billions of points and are very dense. using these point cloud becomes challenging, as the high number of points is intractable for most applications and for visualisation. in this work we propose a new paradigm to easily get a portable geometric level of details ( lod ) inside a point... | arxiv:1602.06920 |
we show that universally covariant cloning is not optimal for achieving joint measurements of noncommuting observables with minimum added noise. for such a purpose a cloning transformation that is covariant with respect to a restricted transformation group is needed. | arxiv:quant-ph/0009080 |
in doped two - leg spin ladder systems, holes are expected to form charged bosonic pairs. we study charge transport in this system in the temperature range where the bosons can be described as weakly interacting quasi - particles. we consider boson - phonon and boson - impurity scattering processes. we suggest that due... | arxiv:cond-mat/9712319 |
we investigate the injection spectrum of ultra - high - energy ( > 10 ^ { 15 } ev ) cosmic rays under the hypotheses that ( 1 ) these cosmic rays are protons and ( 2 ) the sources of these cosmic rays are extra - galactic and are homogeneously distributed in space. the most puzzling aspect of the observed ultra - high ... | arxiv:astro-ph/9506009 |
the ferrimagnetic spinels mnb2o4 ( b = mn, v ) exhibit a similar series of closely spaced magnetic and structural phase transitions at low temperatures, reflecting both magnetic frustration and a strong coupling between the spin and lattice degrees of freedom. careful studies of excitations in mnb2o4 ( b = mn, v ), and... | arxiv:1501.06897 |
we consider a novel setting where a set of items are matched to the same set of agents repeatedly over multiple rounds. each agent gets exactly one item per round, which brings interesting challenges to finding efficient and / or fair { \ em repeated matchings }. a particular feature of our model is that the value of a... | arxiv:2207.01589 |
we employed the vicca model to investigate the influence of step - edge potential on nucleation and pattern formation, aiming to gain deeper insights into island formation and growth. our study explores fractal structures governed by general cellular automaton ( ca ) rules, as well as compact structures shaped by densi... | arxiv:2504.02097 |
this paper considers mathematical programs, whose constraints are expressed by a parameterized vector equilibrium problem. the latter is a well recognized framework, which is able to cover multicriteria optimization, vector variational inequalities and complementarity problems. as the solutions to vector equilibrium pr... | arxiv:2210.08606 |
from ccd observations of a fixed and large star field that contained the binary tno orcus, we have been able to derive high - precision relative astrometry and photometry of the orcus system with respect to background stars. the ra residuals of an orbital fit to the astrometric data revealed a periodicity of 9. 7 + - 0... | arxiv:1010.6187 |
the oceanus procellarum region, characterized by its vast basaltic plains and pronounced volcanic activity, serves as a focal point for understanding the volcanic history of the moon. leveraging the gravity recovery and interior laboratory ( grail ) mission data, we imaged the magmatic structures beneath the oceanus pr... | arxiv:2405.07639 |
practitioners in medicine, business, political science, and other fields are increasingly aware that decisions should be personalized to each patient, customer, or voter. a given treatment ( e. g. a drug or advertisement ) should be administered only to those who will respond most positively, and certainly not to those... | arxiv:1804.05146 |
##ity " is obtained with $ b $ or $ \ rho $. the observed features diminish for the selections based on v0m and cl1. | arxiv:2407.07724 |
supervenience is an important philosophical concept. in this paper, inspired by the supervenience - determined consequence relation and the semantics of agreement operator, we introduce a modal logic of supervenience, which has a dyadic operator of supervenience as a sole modality. the semantics of supervenience modali... | arxiv:1611.04740 |
in this paper we consider the realization of de attractors by self - diffeomorphisms of manifolds. for any expanding self - map $ \ phi : m \ to m $ of a connected, closed $ p $ - dimensional manifold $ m $, one can always realize a $ ( p, q ) $ - type attractor derived from $ \ phi $ by a compactly - supported self - ... | arxiv:0811.4032 |
big - bang nucleosynthesis ( bbn ) describes the production of the lightest nuclides via a dynamic interplay among the four fundamental forces during the first seconds of cosmic time. we briefly overview the essentials of this physics, and present new calculations of light element abundances through li6 and li7, with u... | arxiv:1505.01076 |
cities are a big source of spatio - temporal data that is shared across entities to drive potential use cases. many of the spatio - temporal datasets are confidential and are selectively shared. to allow selective sharing, several access control models exist, however user cannot express arbitrary space and time constra... | arxiv:1711.03955 |
in this paper, we present the results of the study on the development of social network analysis ( sna ) discipline and its evolution over time, using the analysis of bibliographic networks. the dataset consists of articles from the web of science clarivate analytics database and those published in the main journals in... | arxiv:1812.05908 |
we demonstrate the possibility of probing for the first time the fully nonperturbative regime of quantum electrodynamics. by using tightly compressed and focused electron beams in a 100 gev - class particle collider, beamstrahlung radiation losses can be mitigated, allowing the particles to experience extreme electroma... | arxiv:1807.09271 |
we have measured the cooper pair transistor ( cpt ) in a tunable electromagnetic environment consisting of four one - dimensional squid arrays. the transport properties of the cpt in the high impedance limit, z _ env > > r _ q = 6. 45 ~ k \ omega, are studied for different ratios of the josephson coupling energy to the... | arxiv:cond-mat/0606407 |
with the approaching second quantum revolution, the study of quantum thermodynamics, particularly heat flow, has become even more relevant for two main reasons. first, understanding heat and other types of noise is essential for protecting quantum information and preventing decoherence. second, the ability to manufactu... | arxiv:2401.13292 |
unikernels are famous for providing excellent performance in terms of boot times, throughput and memory consumption, to name a few metrics. however, they are infamous for making it hard and extremely time consuming to extract such performance, and for needing significant engineering effort in order to port applications... | arxiv:2104.12721 |
we report the discovery of the first hyperluminous infrared galaxy ( hylig ) in the course of the european large area iso survey ( elais ). this object has been detected by iso at 6. 7, 15, and 90 microns, and is found to be a broad - line, radio - quiet quasar at a redshift : z = 1. 099. from a detailed multi - compon... | arxiv:astro-ph/0107148 |
for $ n $ positive numbers ( $ a _ k $, $ 1 \ leq k \ leq n $ ), enhanced inequalities about the arithmetic mean ( $ a _ n \ equiv \ frac { \ sum _ ka _ k } { n } $ ) and the geometric mean ( $ g _ n \ equiv \ sqrt [ n ] { \ pi _ ka _ k } $ ) are found if some numbers are known, namely, \ begin { equation } \ frac { g ... | arxiv:2008.04067 |
documents are 2 - dimensional carriers of written communication, and as such their interpretation requires a multi - modal approach where textual and visual information are efficiently combined. document visual question answering ( document vqa ), due to this multi - modal nature, has garnered significant interest from... | arxiv:2404.19024 |
imagine a map of your home with all of your connected devices ( computers, tvs, voice control devices, printers, security cameras, etc. ), in their location. you could then easily group devices into user - profiles, monitor wi - fi quality and activity in different areas of your home, and even locate a lost tablet in y... | arxiv:2202.04473 |
the vernier effect has seen extensive application in optical structures, serving to augment the free spectral range ( fsr ). a substantial fsr is vital in a myriad of applications including multiplexers, enabling a broad, clear band comparable to the c - band to accommodate a maximum number of channels. nevertheless, a... | arxiv:2305.17620 |
we study the force generation by a set of parallel actin filaments growing against an elastic membrane. the elastic membrane tries to stay flat and any deformation from this flat state, either caused by thermal fluctuations or due to protrusive polymerization force exerted by the filaments, costs energy. we study two l... | arxiv:1803.06493 |
we introduce a \ emph { gain function } viewpoint of information leakage by proposing \ emph { maximal $ g $ - leakage }, a rich class of operationally meaningful leakage measures that subsumes recently introduced leakage measures - - { maximal leakage } and { maximal $ \ alpha $ - leakage }. in maximal $ g $ - leakage... | arxiv:2209.13862 |
topological semimetals are some of the topological phases of matter most intensely - studied experimentally. the weyl semimetal phase, in particular, has garned tremendous, sustained interest given fascinating signatures such as the fermi arc surface states and the chiral anomaly, as well as the minimal requirements to... | arxiv:2409.05842 |
following the successful completion and testing of the sccu - type undulator with 28mm period, we have designed, prototyped, constructed and bench tested another sccu - type undulator with a much shorter 19mm - period magnetic structure. sccu - type undulators are compact variable - gap devices with hydraulic - assist ... | arxiv:2501.02391 |
this paper investigates the effect of cross - shareholding on stock price synchronicity, as a measure of price informativeness, of the listed firms in the chinese stock market. we gauge firms ' levels of cross - shareholdings in terms of centrality in the cross - shareholding network. it is confirmed that it is through... | arxiv:1903.01655 |
the azimuthal angle correlation of mueller - navelet jets at hadron colliders is studied in the nlo bfkl formalism. we highlight the need of collinear improvements in the kernel to obtain good convergence properties and we obtain better fits for the tevatron data than at lo accuracy. we also estimate these correlations... | arxiv:0707.0256 |
the cancellation of u ( 1 ) - gauge and u ( 1 ) - gravitational anomalies in certain d = 4 n = 1 type iib orientifolds is analyzed in detail, from a string theory point of view. we verify the proposal that these anomalies are cancelled by a green - schwarz mechanism involving only twisted ramond - ramond fields. by fac... | arxiv:hep-th/9912108 |
determining the most general, consistent scalar tensor theory of gravity is important for building models of inflation and dark energy. in this work we investigate the number of degrees of freedom present in the theory of beyond horndeski. we discuss how to construct the theory from the extrinsic curvature of the const... | arxiv:1601.04658 |
it is well known that the rotating inviscid accretion flows with adequate injection parameters around black holes could form shock waves close to the black holes, after the flow passes through the outer sonic point and can be virtually stopped by the centrifugal force. we examine numerically such shock waves in 1d and ... | arxiv:astro-ph/0403115 |
the low temperature properties of the kagome - type system co3v2o8 have been studied by powder neutron diffraction both in zero field and in applied magnetic field of up to 8 t. below 6 k, the zero - field ground state is ferromagnetic with the magnetic moments aligned along the a - axis. the size of the moment on one ... | arxiv:cond-mat/0610098 |
mechanisms of resistivity can be divided into two basic classes : one is dissipative ( like scattering on phonons ) and another is quasi - elastic ( like scattering on static impurities ). they are often treated by the empirical matthiessen rule, which says that total resistivity is just the sum of these two contributi... | arxiv:2407.16284 |
in remote estimation of cyber - physical systems ( cpss ), sensor measurements transmitted through network may be attacked by adversaries, leading to leakage risk of privacy ( e. g., the system state ), and / or failure of the remote estimator. to deal with this problem, a chaotic masking protocol is proposed in this p... | arxiv:2403.09076 |
we perform direct numerical simulations of a kerosene - water mixture in pipe flow under realistic experimental conditions by solving the cahn - hilliard - navier - stokes equations. we compute the linear stability of core - annular flow of kerosene and water in a vertical pipe and find that it is highly unstable. by p... | arxiv:2104.12600 |
phase separation of several different overall neutral polyampholyte species ( with zero net charge ) is studied in solution with two oppositely charged ion species that can form ion - pairs through an association reaction. a field theory description of the system, that treats polyampholyte charge sequence dependent ele... | arxiv:2201.11834 |
fractional vegetation coverage ( fvc ) and its spatio - temporal variations are critical indicators of regional ecological changes, which are of great significance to study the laws of surface variation and analyze regional ecosystem. under the development of rs and gis technology, this analysis employs landsat satelli... | arxiv:2502.01698 |
let $ e $ be a $ ( \ mathrm { iv } ) $ - polyhedral banach space. we show that, for each $ \ epsilon > 0 $, $ e $ admits an $ \ epsilon $ - equivalent $ \ mathrm { ( v ) } $ - polyhedral norm such that the corresponding closed unit ball is the closed convex hull of its extreme points. in particular, we obtain that ever... | arxiv:2303.10023 |
spectroscopy, energy - dispersive spectroscopy, chromatography, thermal analysis, electron microscope analysis, etc. structure is studied in the following levels. = = = = atomic structure = = = = atomic structure deals with the atoms of the materials, and how they are arranged to give rise to molecules, crystals, etc. ... | https://en.wikipedia.org/wiki/Materials_science |
we present a general framework in which we can accurately describe the non - equilibrium dynamics of trapped atomic gases. this is achieved by deriving a single fokker - planck equation for the gas. in this way we are able to discuss not only the dynamics of an interacting gas above and below the critical temperature a... | arxiv:cond-mat/9812424 |
we develop an alternative approach to degenerate complex monge - amp \ ` ere equations on compact k \ " ahler manifolds based on the concept of viscosity solutions and compare systematically viscosity concepts with pluripotential theoretic ones. we generalize to the k \ " ahler case a theorem due to dinew and zhang in ... | arxiv:1007.0076 |
we study the question of whether or not contractive representations of logmodular algebras are completely contractive. we prove that a 2 - contractive representation of a logmodular algebra extends to a positive map on the enveloping c * - algebra, which we show generalizes a result of foias and suciu on uniform logmod... | arxiv:0806.0284 |
let $ p ( g, q ) $ be the chromatic polynomial for coloring the $ n $ - vertex graph $ g $ with $ q $ colors, and define $ w = \ lim _ { n \ to \ infty } p ( g, q ) ^ { 1 / n } $. besides their mathematical interest, these functions are important in statistical physics. we give a comparative discussion of exact calcula... | arxiv:cond-mat/9908387 |
$ w $ - type entangled states can be used as quantum channels for, e. g., quantum teleportation, quantum dense coding, and quantum key distribution. in this work, we propose a way to generate a macroscopic $ w $ - type entangled coherent state using quantum memories in circuit qed. the memories considered here are nitr... | arxiv:1411.3102 |
bepposax observed the z = 3. 27 quasar pks2126 - 158 on 1999 may 24 - 28 when its 2 - 10kev and 0. 1 - 2. 5kev fluxes were 1. 1e - 11 and 4. 4e - 12 cgs respectively, a factor of 2 higher than in all previous rosat and asca observations and 40 % higher than in two more recent chandra and xmm - newton observations. the ... | arxiv:astro-ph/0306530 |
gamma ray bursts ( grbs ) are thought to originate from highly relativistic jets. the fireball model predicts internal shocks in the jets, causing magnetic field to be amplified and particles to be accelerated. we model the effects of an asymmetric density configuration for an internal plasma collision in a quasi - par... | arxiv:1112.5285 |
we consider general relativity with matter and radiation, one of these fluids being coupled to vacuum. we find that universe dynamics starts by an inflation phase if the coupled fluid has a negative energy density at early time. then, there is always a finite scale factor singularity but when vacuum and matter are coup... | arxiv:1404.3518 |
we demonstrate a microfabricated surface - electrode ion trap that is applicable as a nanofriction emulator and studies of many - body dynamics of interacting systems. the trap enables both single - well and double - well trapping potentials in the radial direction, where the distance between the two potential wells ca... | arxiv:2101.00459 |
the writing can be used as an important biometric modality which allows to unequivocally identify an individual. it happens because the writing of two different persons present differences that can be explored both in terms of graphometric properties or even by addressing the manuscript as a digital image, taking into ... | arxiv:2005.08424 |
in this paper, the application of ledley antecedence solutions in designing state feedback stabilizers of generic logic systems has been proposed. to make the method feasible, two modifications are made to the original ledley antecedence solution theory : ( i ) the preassigned logical functions have been extended from ... | arxiv:2011.13103 |
dielectrophoresis is a very promising technique for particle manipulation on a chip. in this study, we demonstrate a controlled mannuvering of polystryrene particles on a simple paper - and - pencil based device by exploiting the underlying electrokinetics with primary contribution from dielectrophoretic ( dep ) forces... | arxiv:1901.07325 |
we develop the theory of locally small spaces in a new simple language and apply this simplification to re - build the theory of locally definable spaces over structures with topologies. | arxiv:1903.00929 |
we report abundances of elements from 26fe to 34se in the cosmic radiation measured during fifty days of exposure of the trans - iron galactic element recorder ( tiger ) balloon - borne instrument. these observations add support to the concept that the bulk of cosmic - ray acceleration takes place in ob associations, a... | arxiv:0906.2021 |
this paper investigates an over - the - air federated learning ( ota - fl ) system that employs fluid antennas ( fas ) at an access point. the system enhances learning performance by leveraging the additional degrees of freedom provided by antenna mobility. we analyze the convergence of the ota - fl system and derive t... | arxiv:2407.03481 |
we study bihom - novikov - poisson algebras, which are twisted generalizations of novikov - poisson algebras and hom - novikov - poisson algebras, and find that bihom - novikov - poisson algebras are closed under tensor products and several kinds of perturbations. necessary and sufficient conditions are given under whi... | arxiv:2007.09016 |
software - defined networking ( sdn ) and the network function virtualization ( nfv ) led to great developments in software based control technology by decreasing expenditures. service function chaining ( sfc ) is an important technology to find efficient paths in network servers to process all of the requested virtual... | arxiv:2009.05240 |
runtime and scalability of large neural networks can be significantly affected by the placement of operations in their dataflow graphs on suitable devices. with increasingly complex neural network architectures and heterogeneous device characteristics, finding a reasonable placement is extremely challenging even for do... | arxiv:1910.01578 |
the study of the motion of photons around massive bodies is one of the most useful tools to know the geodesic structure associated with said gravitational source. in the present work, different possible paths projected in an invariant hyperplane are investigated, considering five - dimensional reissner - nordstr \ " om... | arxiv:2010.01442 |
shapes of relative emission sources can be accessed by expanding shapes of correlations at low relative velocities in pair center of mass in cartesian harmonics. coefficients of expansion for correlations are related to the respective coefficients of expansion for the sources through one dimensional integral transforms... | arxiv:0707.0377 |
grid topology and line parameters are essential for grid operation and planning, which may be missing or inaccurate in distribution grids. existing data - driven approaches for recovering such information usually suffer from ignoring 1 ) input measurement errors and 2 ) possible state changes among historical measureme... | arxiv:1812.06619 |
a group of experts, for instance climate scientists, is to choose among two policies $ f $ and $ g $. consider the following decision rule. if all experts agree that the expected utility of $ f $ is higher than the expected utility of $ g $, the unanimity rule applies, and $ f $ is chosen. otherwise the precautionary p... | arxiv:2004.12347 |
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