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spiking neural networks ( snns ) take inspiration from the brain to enable energy - efficient computations. since the advent of transformers, snns have struggled to compete with artificial networks on modern sequential tasks, as they inherit limitations from recurrent neural networks ( rnns ), with the added challenge ... | arxiv:2401.00955 |
van der waals ( vdw ) heterostructures consisting of bernal bilayer graphene ( blg ) and hexagonal boron nitride ( hbn ) are investigated. by performing first - principles calculations we capture the essential blg band structure features for several stacking and encapsulation scenarios. a low - energy model hamiltonian... | arxiv:2307.11697 |
magnetically controlled capsule endoscope ( mcce ) is an emerging tool for the diagnosis of gastric diseases with the advantages of comfort, safety, and no anesthesia. in this paper, we develop algorithms to detect and measure human gastric peristalsis ( contraction wave ) using video sequences acquired by mcce. we dev... | arxiv:2301.10218 |
a hamiltonian model is solved, which satisfies all requirements for a realistic ideal quantum measurement. the system s is a spin - $ \ half $, whose $ z $ - component is measured through coupling with an apparatus a = m + b, consisting of a magnet $ \ rm $ formed by a set of $ n \ gg 1 $ spins with quartic infinite - ... | arxiv:cond-mat/0203460 |
the possibility of kaon condensation in high - density symmetric nuclear matter is investigated including both s - and p - wave kaon - baryon interactions within the relativistic mean - field ( rmf ) theory. above a certain density, we have a collective $ { \ bar k } _ s $ state carrying the same quantum numbers as the... | arxiv:nucl-th/0502079 |
this paper introduces diffusion policy, a new way of generating robot behavior by representing a robot ' s visuomotor policy as a conditional denoising diffusion process. we benchmark diffusion policy across 12 different tasks from 4 different robot manipulation benchmarks and find that it consistently outperforms exis... | arxiv:2303.04137 |
we prove a variant of the titchmarsh convolution theorem for simply connected supersolvable lie groups, namely we show that the convolution algebras of compactly supported continuous functions and compactly supported finite measures on such groups do not contain zero divisors. this can be also viewed as a topological v... | arxiv:1110.3692 |
we determine the patterns of spontaneous symmetry breaking in strong - coupling lattice qcd in a fixed background baryon density. we employ a next - nearest - neighbor fermion formulation that possesses the su ( n _ f ) xsu ( n _ f ) chiral symmetry of the continuum theory. we find that the global symmetry of the groun... | arxiv:hep-lat/0310032 |
using first - principles calculations, we explore the electronic and magnetic properties of graphene nanomesh ( gnm ), a regular network of large vacancies, produced either by lithography or nanoimprint. when removing an equal number of a and b sites of the graphene bipartite lattice, the nanomesh made mostly of zigzag... | arxiv:1103.4188 |
we extend kuhn ' s theorem to games of the extensive form with unawareness. this extension is not obvious : first, games of the extensive form with non - trivial unawareness involve a forest of partially ordered game trees rather than just one game tree. an information set at a node in one tree may consist of nodes in ... | arxiv:2503.03788 |
time is implicitly embedded in classification process : classifiers are usually built on existing data while to be applied on future data whose distributions ( e. g., label and token ) may change. however, existing state - of - the - art classification models merely consider the temporal variations and primarily focus ... | arxiv:2502.08825 |
we report on a calculation of $ b _ c $ ground state and radial excitation energies, obtained from heavy - charm highly improved staggered quark ( hisq ) correlators computed on milc gauge ensembles, with lattice spacings down to $ a = 0. 044 $ fm. using hisq valence quarks on progressively finer lattices allows us to ... | arxiv:1811.09448 |
we consider optimal vaccination protocol where the vaccine is in short supply. in this case, disease extinction results from a large and rare fluctuation. we show that the probability of such fluctuation can be exponentially increased by vaccination. for periodic vaccination with fixed average rate, the optimal vaccina... | arxiv:1001.0170 |
in this contribution, we establish a model for multichannel cognitive radio networks ( crns ) using the theory of priority queues. this model enables us to conduct a performance analysis in the most general form by the derivation of the probability mass function ( pmf ) of queue length at the secondary users ( sus ). i... | arxiv:1401.6736 |
purpose : inter - scan motion is a substantial source of error in $ r _ 1 $ estimation, and can be expected to increase at 7t where $ b _ 1 $ fields are more inhomogeneous. the established correction scheme does not translate to 7t since it requires a body coil reference. here we introduce two alternatives that outperf... | arxiv:2108.10943 |
we study the work statistics of a periodically - driven integrable closed quantum system, addressing in particular the role played by the presence of a quantum critical point. taking the example of a one - dimensional transverse ising model in the presence of a spatially homogeneous but periodically time - varying tran... | arxiv:1505.02924 |
we simulate the assembly of dna copolymers from two types of short duplexes ( short double strands with a single - stranded overhang at each end ), as described by the oxdna model. we find that the statistics of chain lengths can be well reproduced by a simple theory that treats the association of particles into ideal ... | arxiv:2111.03978 |
we show how to construct in an elementary way the invariant of the khk discretisation of a cubic hamiltonian system in two dimensions. that is, we show that this invariant is expressible as the product of the ratios of affine polynomials defining the prolongation of the three parallel sides of a hexagon. on the vertice... | arxiv:2309.00799 |
we study the phenomenon of neutrino spin - flavor oscillations due to solar magnetic fields. this allows us to examine how significantly the electron neutrinos produced in the solar interior undergo a resonant spin - flavor conversion. we construct analytical models for the solar magnetic field in all the three regions... | arxiv:1906.09475 |
we follow the evolution of the black hole mass function in the assumption that mass accretion onto a massive bh is the powering mechanism of agn activity. with reasonable assumptions suggested by current knowledge, it is possible to reproduce the black hole mass function derived from local bulges. in particular it is f... | arxiv:astro-ph/0110698 |
we report the first axion dark matter search with toroidal geometry. exclusion limits of the axion - photon coupling $ g _ { a \ gamma \ gamma } $ over the axion mass range from 24. 7 to 29. 1 $ \ mu $ ev at the 95 \ % confidence level are set through this pioneering search. prospects for axion dark matter searches wit... | arxiv:1709.09437 |
we present a new compact trip representation ( ctr ) that allows us to manage users ' trips ( moving objects ) over networks. these could be public transportation networks ( buses, subway, trains, and so on ) where nodes are stations or stops, or road networks where nodes are intersections. ctr represents the sequences... | arxiv:1612.04209 |
we prove that for a discrete, countable, and amenable group $ g $, if the direct product $ g ^ 2 = g \ times g $ is finitely colored then $ \ { g \ in g : \ text { exists } ( x, y ) \ in g ^ 2 \ text { such that } \ { ( x, y ), ( xg, y ), ( xg, yg ) \ } \ text { is monochromatic } \ } $, is left ip $ ^ { \ ast } $. thi... | arxiv:2411.15987 |
melting of two dimensional ( 2d ) clusters of classical particles is studied using brownian dynamics and langevin molecular dynamics simulations. the particles are confined by a circular hard wall or a parabolic external potential and interact through a dipole or a screened coulomb potential. we found that with decreas... | arxiv:cond-mat/9912057 |
we study a singular nonlinear ordinary differential equation on intervals $ [ 0, r ) $ with $ r \ le + \ infty $, motivated by the ginzburg - landau models in superconductivity and landau - de gennes models in liquid crystals. we prove existence and uniqueness of positive solutions under general assumptions on the nonl... | arxiv:1404.1724 |
degenerate dowling and degenerate r - dowling polynomials were introduced earlier as degenerate versions and further generalizations of dowling and r - dowling polynomials. the aim of this paper is to show their connections with poisson degenerate central moments for a poisson random variable with a certain parameter a... | arxiv:2206.12184 |
in recent years, there were studies on the omnipresence and structures of filaments in star - forming regions, and the role of their fragmentation in the process of star formation. however, only a few studies analysed the evolution of filaments and their distribution with the galactic disk where filaments form self - c... | arxiv:1806.02286 |
it has been verified that deep learning methods, including convolutional neural networks ( cnns ), graph neural networks ( gnns ), and transformers, can accurately extract features from hyperspectral images ( hsis ). these algorithms perform exceptionally well on hsis change detection ( hsis - cd ). however, the downsi... | arxiv:2407.00949 |
in practical situations, calculating approximations of concepts is the central step for knowledge reduction of dynamic covering decision information system, which has received growing interests of researchers in recent years. in this paper, the second and sixth lower and upper approximations of sets in dynamic covering... | arxiv:1512.02723 |
we present a model of interacting quantum fields, formulated in a non - perturbative manner. one of the fields is treated semi - classically, the other is the photon field. the model has an interpretation of an electromagnetic field in a fluctuating spacetime. the model is equivalent with the quantization of electromag... | arxiv:hep-th/0210188 |
displaystyle \ tan ( \ phi \, \! ) }, where σ { \ displaystyle \ sigma \, \! } is the normal stress on the slip plane and { \ displaystyle \ phi \, \! } is the friction angle of the soil. by combining coulomb ' s theory with christian otto mohr ' s 2d stress state, the theory became known as mohr - coulomb theory. alth... | https://en.wikipedia.org/wiki/Geotechnical_engineering |
it is shown how to construct an infinite number of families of quasi - bi - hamiltonian ( qbh ) systems by means of the constrained flows of soliton equations. three explicit qbh structures are presented for the first three families of the constrained flows. the nijenhuis coordinates defined by the nijenhuis tensor for... | arxiv:solv-int/9906005 |
simplicial complexes have recently been in the limelight of higher - order network analysis, where a minority of simplices play crucial roles in structures and functions due to network heterogeneity. we find a significant inconsistency between identifying influential nodes and simplices. therefore, it remains elusive h... | arxiv:2307.05841 |
in the single degenerate ( sd ) scenario for type ia supernova ( sn ia ) progenitors, an accreting white dwarf ( wd ) is expected to undergo a supersoft x - ray source ( sss ) phase. recently, gilfanov & bogdan ( 2010, hereafter gb10 ) claimed that observed x - ray fluxes of early type galaxies would be too low to be c... | arxiv:1010.5860 |
general image completion and extrapolation methods often fail on portrait images where parts of the human body need to be recovered - a task that requires accurate human body structure and appearance synthesis. we present a two - stage deep learning framework for tacking this problem. in the first stage, given a portra... | arxiv:1808.07757 |
in this paper, we present a simple yet effective continual learning method for blind image quality assessment ( biqa ) with improved quality prediction accuracy, plasticity - stability trade - off, and task - order / - length robustness. the key step in our approach is to freeze all convolution filters of a pre - train... | arxiv:2107.13429 |
how passive galaxies form, and the physical mechanisms which prevent star formation over long timescales, are some of the most outstanding questions in understanding galaxy evolution. the properties of quiescent galaxies over cosmic time provide crucial information to identify the quenching mechanisms. passive galaxies... | arxiv:2207.13625 |
procyon a, a bright f5 iv - v sun - like star, is justifiably regarded as a prime asteroseismological target. this star was repeatedly observed by most, a specialized microsatellite providing long - term, non - interrupted broadband photometry of bright targets. so far, the widely anticipated p modes eluded direct phot... | arxiv:0710.5531 |
we obtain a bogomolov type of result for the additive group scheme in characteristic $ p $. our result is equivalent with a bogomolov theorem for drinfeld modules defined over a finite field. | arxiv:math/0505001 |
we investigate the fundamental problem of a small density of bosonic impurities immersed in a dilute bose gas at zero temperature. within the perturbative regime of weak interactions, we show that the presence of the surrounding medium can lead to an enhanced repulsion between dressed bosonic impurities ( polarons ) ra... | arxiv:2409.03406 |
recent research has shown that map raw pixels from a single front - facing camera directly to steering commands are surprisingly powerful. this paper presents a convolutional neural network ( cnn ) to playing the carracing - v0 using imitation learning in openai gym. the dataset is generated by playing the game manuall... | arxiv:2010.00717 |
context. high - contrast imaging is currently the only available technique for the study of the thermodynamical and compositional properties of exoplanets in long - period orbits. the spices project is a coronagraphic space telescope dedicated to the spectro - polarimetric analysis of gaseous and icy giant planets as w... | arxiv:1203.2826 |
let f be analytic in d = { z : | z | < 1 } with f ( 0 ) = 0 and f ' ( 0 ) = 1. we give sharp bounds for the second hankel determinant of f, when f is starlike of order alpha in d. | arxiv:1508.05839 |
= exponential growth = = = the exponential growth in computing technology suggested by moore ' s law is commonly cited as a reason to expect a singularity in the relatively near future, and a number of authors have proposed generalizations of moore ' s law. computer scientist and futurist hans moravec proposed in a 199... | https://en.wikipedia.org/wiki/Technological_singularity |
demosaicing and denoising of raw images are crucial steps in the processing pipeline of modern digital cameras. as only a third of the color information required to produce a digital image is captured by the camera sensor, the process of demosaicing is inherently ill - posed. the presence of noise further exacerbates t... | arxiv:2309.09426 |
the cold interstellar medium ( ism ) plays a central role in the galaxy evolution process. it is the reservoir that fuels galaxy growth via star formation, the repository of material formed by these stars, and a sensitive tracer of internal and external processes that affect entire galaxies. consequently, significant e... | arxiv:2202.00690 |
one of the key questions in understanding the formation and evolution of galaxies is how starbursts affect the assembly of stellar populations in galaxies over time. we define a burst indicator ( $ \ eta $ ), which compares a galaxy ' s star formation rates on short ( $ \ sim10 $ myr ) and long ( $ \ sim100 $ myr ) tim... | arxiv:1901.01192 |
complex system arises as a result of the nonlinear interactions between components. in particular, the evolutionary dynamics of a multivariate system encodes the ways in which different variables interact with each other individually or in groups. one fundamental question that remains unanswered is : how do two non - o... | arxiv:1907.01159 |
we present an innovative charge detector with high resolution and wide dynamic range designed to fulfill the requirements of a monitoring system for a high energy ion beam. the detector prototype, constructed using si photodiodes and a custom readout electronics, underwent extensive testing during herd and ams beam tes... | arxiv:2412.13934 |
solving the multi - agent path finding ( mapf ) problem optimally is known to be np - hard for both make - span and total arrival time minimization. while many algorithms have been developed to solve mapf problems, there is no dominating optimal mapf algorithm that works well in all types of problems and no standard gu... | arxiv:2102.12461 |
exoplanet transit and doppler surveys discover many binary stars during their operation that can be used to conduct a variety of ancillary science. specifically, eclipsing binary stars can be used to study the stellar mass - radius relationship and to test predictions of theoretical stellar evolution models. by cross -... | arxiv:1105.2027 |
we show that except in several cases conjugacy classes of classical weyl groups $ w ( b _ n ) $ and $ w ( d _ n ) $ are of type { \ rm d }. we prove that except in three cases nichols algebras of irreducible yetter - drinfeld ( { \ rm yd } in short ) modules over the classical weyl groups are infinite dimensional. we e... | arxiv:1307.8227 |
a fundamental question in systems biology is what combinations of mean and variance of the species present in a stochastic biochemical reaction network are attainable by perturbing the system with an external signal. to address this question, we show that the moments evolution in any generic network can be either appro... | arxiv:1705.00400 |
the brain uses contextual information and prior knowledge to anticipate upcoming content during language comprehension. recent research has shown predictive signals can be revealed in pre - onset ecog activity during naturalistic narrative listening, by building encoding models based on word embeddings from large langu... | arxiv:2412.19622 |
we study the flavor - changing couplings of the higgs - boson with the top - quark using the processes : ( a ) pp - - > tt, ( b ) pp - - > t _ bar j, and, ( c ) pp - - > t _ bar j h at the lhc in light of current discovery of a 126 gev higgs - boson. sensitivities for the flavor - changing couplings are estimated using... | arxiv:1305.2427 |
spatial geometry of charged thin rotating and non - rotating rings in a rotating frame is investigated. it is shown, on an example of interaction between a charged probe and two positive charged non - rotating and negative charged rotating rings that the spatial geometry of the rotating ring in the rotating frame has t... | arxiv:1602.05174 |
climate change is a far - reaching, global phenomenon that will impact many aspects of our society, including the global stock market \ cite { dietz2016climate }. in recent years, companies have increasingly been aiming to both mitigate their environmental impact and adapt to the changing climate context. this is repor... | arxiv:2011.08073 |
with the observational advance in recent years, primordial gravitational waves ( gws ), known as the tensor - mode cosmic perturbations, in the loop quantum cosmology ( lqc ) are becoming testable and thus require better framework through which to bridge between the observations and the theories. in this work we presen... | arxiv:1806.10508 |
we offer a systematic account of decomposition of quantum systems into parts. different decompositions ( structures ) are mutually linked via the proper linear canonical transformations. different kinds of structures, as well as their relations, are considered. emphasis is placed on mutually global and irreducible stru... | arxiv:1306.5471 |
uusing a five - hour adaptive - optics - assisted observation with muse, we have identified a doubly - imaged ly alpha source at redshift 5. 975 behind the z = 0. 222 lens galaxy j0946 + 1006 ( ' the jackpot ' ). the source separation implies an einstein radius of ~ 2. 5 arcsec. combined with the two previously - known... | arxiv:2004.00649 |
we present the results of a semicoherent search for continuous gravitational waves from the low - mass x - ray binary scorpius x - 1, using data from the first advanced ligo observing run. the search method uses details of the modelled, parametrized continuous signal to combine coherently data separated by less than a ... | arxiv:1706.03119 |
reconfigurable intelligent surface ( ris ) has recently emerged as a promising technology enabling next - generation wireless networks. in this letter, we develop an improved index modulation ( im ) scheme by utilizing ris to convey information. specifically, we study an ris - aided multiple - input single - output ( m... | arxiv:2207.09766 |
we present a new proof of the caloric smoothing related to the fractional gauss - weierstrass semi - group in triebel - lizorkin spaces. this property will be used to prove existence and uniqueness of mild and strong solutions of the cauchy problem for a fractional nonlinear heat equation. | arxiv:2402.06309 |
we give meaning to linear and semi - linear ( possibly degenerate ) parabolic partial differential equations with ( affine ) linear rough path noise and establish stability in a rough path metric. in the case of enhanced brownian motion ( brownian motion with its l \ ' evy area ) as rough path noise the solution coinci... | arxiv:1005.1781 |
in recent studies on wake stability, it has been observed that a simple linear stability analysis applied to the mean flow instead of the basic flow, could give an accurate prediction of the global mode selected frequency, although these phenomena are strongly non - linear. in this letter, we study the transient regime... | arxiv:1506.05948 |
this paper demonstrates how principle component analysis can be used to determine the distinct factors that house the terms that explain the variance among the co - dependent variables and how non - response analysis can be applied to model the non - functional relationship that exist in a dynamic system. moreover, the... | arxiv:1603.07948 |
any viable cosmological framework has to match the observed proportion of early - and late - type galaxies. in this contribution, we focus on the distribution of galaxy morphological types in the standard model of cosmology ( lambda cold dark matter, $ \ lambda $ cdm ). using the latest state - of - the - art cosmologi... | arxiv:2202.01221 |
the combination of monte - carlo tree search ( mcts ) with deep reinforcement learning has led to significant advances in artificial intelligence. however, alphazero, the current state - of - the - art mcts algorithm, still relies on handcrafted heuristics that are only partially understood. in this paper, we show that... | arxiv:2007.12509 |
we investigate the inhomogeneous chiral dynamics of the o ( 4 ) linear sigma model in 1 + 1 dimensions using the time dependent variational approach in the space spanned by the squeezed states. we compare two cases, with and without the gaussian approximation for the green ' s functions. we show that mode - mode correl... | arxiv:nucl-th/0310035 |
we investigate the rectification of thermal fluctuations in a mesoscopic on - chip heat engine. the engine consists of a hot chaotic cavity capacitively coupled to a cold cavity which rectifies the excess noise and generates a directed current. the fluctuation - induced directed current depends on the energy asymmetry ... | arxiv:1201.2796 |
the paper introduces a number of new techniques to handle minimal hyersurface singularities. in particular, they allow to extend the obstruction theory for postive scalr curvature to any dimension. | arxiv:math/0609338 |
krivitsky and handcock ( 2014 ) proposed a separable temporal ergm ( stergm ) framework for modeling social networks, which facilitates separable modeling of the tie duration distributions and the structural dynamics of tie formation. in this note, we explore the hazard structures achievable in this framework, with fir... | arxiv:2203.11817 |
the infinite - parent spatial lambda - fleming - viot ( slfv ) process is a model of random growth, in which a set evolves by the addition of balls according to points of an underlying poisson point process, and which was recently introduced to study genetic diversity in spatially expanding populations. in this article... | arxiv:2402.00601 |
we present a framework for pre - training of 3d hand pose estimation from in - the - wild hand images sharing with similar hand characteristics, dubbed simhand. pre - training with large - scale images achieves promising results in various tasks, but prior methods for 3d hand pose pre - training have not fully utilized... | arxiv:2502.15251 |
transport of material across liquid interfaces is ubiquitous for living cells and is also a crucial step in drug delivery and in many industrial processes. the fluids that are present on either side of the interfaces will usually have different viscosities. we present a physical model for the dynamics of microswimmers ... | arxiv:2212.05268 |
current gan - based art generation methods produce unoriginal artwork due to their dependence on conditional input. here, we propose sketch - and - paint gan ( sapgan ), the first model which generates chinese landscape paintings from end to end, without conditional input. sapgan is composed of two gans : sketchgan for... | arxiv:2011.05552 |
icecube is a large neutrino telescope of the next generation to be constructed in the antarctic ice sheet near the south pole. we present the conceptual design and the sensitivity of the icecube detector to predicted fluxes of neutrinos, both atmospheric and extra - terrestrial. a complete simulation of the detector de... | arxiv:astro-ph/0209556 |
the motion of spectator quarks in decay of a beauty hadron is a nonperturbative effect which can usually be neglected. we find that the motion in some decay channels, which contribute total decay widths of beauty hadrons, can not be neglected. the contributions from these decay channels to decay widths are proportional... | arxiv:hep-ph/0311234 |
we present rigorous mathematical analyses of a number of well - known mathematical models for genetic mutations. in these models, the genome is represented by a vertex of the $ n $ - dimensional binary hypercube, for some $ n $, a mutation involves the flipping of a single bit, and each vertex is assigned a real number... | arxiv:1210.4798 |
the fluka monte carlo code, presently used in cosmic ray physics, contains packages to sample soft hadronic processes which are built according to the dual parton model. this is a phenomenological model capable of reproducing many of the features of hadronic collisions in the non perturbative qcd regime. the basic prin... | arxiv:hep-ph/0412178 |
the formation of protostars and their disks has been understood as the result of the gravitational collapse phase of an accumulation of dense gas that determines the mass reservoir of the star - disk system. against this background, the broadly applied scenario of considering the formation of disks has been to model th... | arxiv:2406.10901 |
we build a general theory of microlocal ( homogeneous ) fourier integral operators in real - analytic regularity, following the general construction in the smooth case by h \ " ormander and duistermaat. in particular, we prove that the boutet - sj \ " ostrand parametrix for the szeg \ h { o } projector at the boundary ... | arxiv:2306.15382 |
data poisoning causes misclassification of test time target examples by injecting maliciously crafted samples in the training data. existing defenses are often effective only against a specific type of targeted attack, significantly degrade the generalization performance, or are prohibitive for standard deep learning p... | arxiv:2210.09671 |
we report near - infrared ( 2. 5 - - 5 micron ) long - slit ( ~ 30 arcsec ) spectroscopy of a young stellar object in the direction toward the galactic center with the infrared camera on board the akari satellite. the present target is suggested to be afgl 2006 based on its very red color and close location. the spectr... | arxiv:2212.11424 |
in this paper, a transmission strategy of fountain codes over cooperative relay networks is proposed. when more than one relay nodes are available, we apply network coding to fountain - coded packets. by doing this, partial information is made available to the destination node about the upcoming message block. it is th... | arxiv:1005.2443 |
the many worlds interpretation of quantum mechanics ( mwi ) states that the world we live in is just one among many parallel worlds. it is widely believed that because of this commitment to parallel worlds, the mwi violates common sense. some go so far as to reject the mwi on this basis. this is despite its myriad of a... | arxiv:2202.01438 |
precision measurements at low energy search for physics beyond the standard model in a way complementary to searches for new particles at colliders. in the weak sector the most general $ \ beta $ decay hamiltonian contains, besides vector and axial - vector terms, also scalar, tensor and pseudoscalar terms. current lim... | arxiv:1409.1824 |
this work presents a joint design of encoding and encryption procedures for public key encryptions ( pkes ) and key encapsulation mechanism ( kems ) such as kyber, without relying on the assumption of independent decoding noise components, achieving reductions in both communication overhead ( cer ) and decryption failu... | arxiv:2504.17185 |
the rauch - tung - striebel ( rts ) and the mayne - fraser ( mf ) algorithms are two of the most popular smoothing schemes to reconstruct the state of a dynamic linear system from measurements collected on a fixed interval. another ( less popular ) approach is the mayne ( m ) algorithm introduced in his original paper ... | arxiv:1303.5237 |
we use previously obtained experimental results by neutron interferometry to effectively constrain the parameter space of several prominent dark energy models. this investigation encompasses the environment - dependent dilaton field, a compelling contender for dark energy that emerges naturally within the strong coupli... | arxiv:2310.18109 |
we use three domain wall simulations from the radiation era to the late time dark energy domination era based on the prs algorithm to calculate the energy - momentum tensor components of domain wall networks in an expanding universe. unequal time correlators in the radiation, matter and cosmological constant epochs are... | arxiv:1505.03673 |
by using the multiple scale method with the simultaneous introduction of multiple times, we study the propagation of long surface - waves in a shallow inviscid fluid. as a consequence of the requirements of scale invariance and absence of secular terms in each order of the perturbative expansion, we show that the korte... | arxiv:patt-sol/9406001 |
in this note we characterize 1 + n doubly twisted spacetimes in terms of ` doubly torqued ' vector fields. they extend bang - yen chen ' s characterization of twisted and generalized robertson - walker spacetimes with torqued and concircular vector fields. the result is a simple classification of 1 + n doubly - twisted... | arxiv:2101.02208 |
we consider spacelike graphs $ \ gamma _ f $ of simple products $ ( m \ times n, g \ times - h ) $ where $ ( m, g ) $ and $ ( n, h ) $ are riemannian manifolds and $ f : m \ to n $ is a smooth map. under the condition of the cheeger constant of $ m $ to be zero and some condition on the second fundamental form at infin... | arxiv:math/0602410 |
the recent definition of slice regular function of several quaternionic variables suggests a new notion of quaternionic manifold. we give the definition of quaternionic regular manifold, as a space locally modeled on $ \ mathbb { h } ^ n $, in a slice regular sense. we exhibit some significant classes of examples, incl... | arxiv:1612.03685 |
planning safe paths in 3d workspace for high dof robotic systems, such as manipulators, is a challenging problem, especially when the environment is populated with the dynamic obstacles that need to be avoided. in this case the time dimension should be taken into account that further increases the complexity of plannin... | arxiv:2412.19567 |
we evaluate perturbatively the density matrix in the low - temperature limit and thus the ground - state wave function of the anharmonic oscillator up to second order in the coupling constant. we then employ kleinert ' s variational perturbation theory to determine the ground - state wave function for all coupling stre... | arxiv:quant-ph/0105095 |
the convex hull membership problem ( chmp ) consists in deciding whether a certain point belongs to the convex hull of a finite set of points, a decision problem with important applications in computational geometry and in foundations of linear programming. in this study, we review, compare and analyze first - order me... | arxiv:2111.07720 |
the decay widths of $ \ rho ' \ to \ pi \ pi, \ omega \ pi, \ rho \ eta $, $ \ omega ' \ to \ rho \ pi, \ omega \ eta $ and $ \ pi ' \ to \ rho \ pi $ are recalculated within the extended njl quark model. it is shown that the mass of $ \ rho ' ( 1450 ) $ meson in the derived in the njl model agrees with the one given i... | arxiv:2311.18338 |
since the development of efficient linear program solvers in the 80s, all major improvements for solving multi - commodity flows to high accuracy came from improvements to general linear program solvers. this differs from the single commodity problem ( e. g. ~ maximum flow ) where all recent improvements also rely on g... | arxiv:2304.12992 |
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