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results are reported from a search for physics beyond the standard model in proton - proton collision events with a charged lepton ( electron or muon ), two jets identified as originating from a bottom quark decay, and significant imbalance in the transverse momentum. the search was performed using a data sample corres... | arxiv:1706.09933 |
unconditional security of the bb84 quantum key distribution protocol has been proved by exploiting the fundamental laws of quantum mechanics, but the practical quantum key distribution system maybe hacked by considering the imperfect state preparation and measurement respectively. until now, different attacking schemes... | arxiv:1508.06396 |
this study proposes a novel coupled - mode theory for two - dimensional exterior helmholtz problems. the proposed approach is based on the separation of the entire space r2 into a fictitious disk and its exterior. the disk is allocated in such a way that it comprises all the inhomogeneity ; therefore, the exterior supp... | arxiv:2201.09502 |
recently, superconductivity at high temperatures has been observed in bulk la $ _ 3 $ ni $ _ 2 $ o $ _ { 7 - { \ delta } } $ under high pressure. however, the attainment of high - purity la $ _ 3 $ ni $ _ 2 $ o $ _ { 7 - { \ delta } } $ single crystals, exhibiting controlled and homogeneous stoichiometry through the po... | arxiv:2312.14251 |
we introduce ( n + 1 ) - preprojective algebras of algebras of global dimension n. we show that if an algebra is n - representation - finite then its ( n + 1 ) - preprojective algebra is self - injective. in this situation, we show that the stable module category of the ( n + 1 ) - preprojective algebra is ( n + 1 ) - ... | arxiv:0912.3412 |
the flux of low energy atmospheric neutrinos ( e _ nu ~ 4 gev ) has been studied with the macro detector at gran sasso by detecting nu _ mu interactions inside the apparatus, and by upward - going stopping muons. the updated analysis of the data collected until now with the complete apparatus will be presented. the res... | arxiv:hep-ex/9905028 |
vision language models excel in handling a wide range of complex tasks, including optical character recognition ( ocr ), visual question answering ( vqa ), and advanced geometric reasoning. however, these models fail to perform well on low - level basic visual tasks which are especially easy for humans. our goal in thi... | arxiv:2410.22029 |
cross sections are calculated for neutrino scattering off heavy nuclei at energies below 50 mev. the theory of fermi liquid is applied to estimate the rate of neutrino - nucleon elastic and inelastic scattering in a nuclear medium in terms of dynamic form factors. the cross sections, obtained here in a rather simple wa... | arxiv:nucl-th/0703036 |
we report measurements and searches for resonant $ b ^ { \ pm } \ to k ^ { \ pm } h \ to k ^ { \ pm } \ gamma \ gamma $ decays where $ h $ is a $ \ eta, \ eta ^ { \ prime }, \ eta _ { c }, \ eta _ { c } ( 2s ), \ chi _ { c0 }, \ chi _ { c2 }, j / \ psi $ meson or the x ( 3872 ) particle. | arxiv:hep-ex/0608037 |
we measure ejecta mass as a function of azimuthal and impact angle for 104 m / s oblique impacts into sand. we find that the ejecta mass distribution is strongly sensitive to azimuthal angle with as high as 8 times more mass in ejecta on the downrange side compared to the uprange side. crater radii, measured from the i... | arxiv:2404.16677 |
this paper considers the task of estimating the $ l _ 2 $ norm of a $ n $ - dimensional random gaussian vector from noisy measurements taken after many of the entries of the vector are \ emph { missed } and only $ k \ ( 0 \ le k \ le n ) $ entries are retained and others are set to $ 0 $. specifically, we evaluate the ... | arxiv:2010.08299 |
in this paper, we discuss the boundary behavior of bounded pluriharmonic functions on the teichm \ " uller space. we will show a version of the fatou theorem that every bounded pluriharmonic function admits the radial limits along the teichm \ " uller geodesic rays, and a version of the f. and m. riesz theorem that the... | arxiv:2312.13535 |
the gamma component of air radiation dose rates is a function of the amount and spread of radioactive nuclides in the environment. these radionuclides can be natural or anthropogenic in origin. the field of view describes the area of radionuclides on, or below, the ground that is responsible for determining the air dos... | arxiv:1509.09125 |
this paper introduces a computationally efficient technique for estimating high - resolution doppler blood flow from an ultrafast ultrasound image sequence. more precisely, it consists in a new fast alternating minimization algorithm that implements a blind deconvolution method based on robust principal component analy... | arxiv:2011.01811 |
with the rapid development of multimedia, the shift from unimodal textual sentiment analysis to multimodal image - text sentiment analysis has obtained academic and industrial attention in recent years. however, multimodal sentiment analysis is affected by unimodal data bias, e. g., text sentiment is misleading due to ... | arxiv:2412.07292 |
the notion of a real - valued function is central to mathematics, computer science, and many other scientific fields. despite this importance, there are hardly any positive results on decision procedures for predicate logical theories that reason about real - valued functions. this paper defines a first - order predica... | arxiv:2306.16505 |
argentina has a large yet little - known indigenous linguistic diversity, encompassing at least 40 different languages. the majority of these languages are at risk of disappearing, resulting in a significant loss of world heritage and cultural knowledge. currently, unified information on speakers and computational tool... | arxiv:2501.09943 |
the thick gas electron multiplier ( thgem ) is a robust high - gain gas - avalanche electron multiplier - a building block of a variety of radiation detectors. it can be manufactured economically by standard printed - circuit drilling and etching technology. we present a detailed review of the thgem and its derivatives... | arxiv:2303.01083 |
atomically thin mos2 / graphene heterostructures are promising candidates for nanoelectronic and optoelectronic technologies. among different graphene substrates, epitaxial graphene ( eg ) on sic provides several potential advantages for such heterostructures including high electronic quality, tunable substrate couplin... | arxiv:1604.00677 |
galaxy clusters are expected to form hierarchically in a lcdm universe, growing primarily through mergers with lower mass clusters and the continual accretion of group - mass halos. galaxy clusters assemble late, doubling their masses since z ~ 0. 5, and so the outer regions of clusters should be replete with infalling... | arxiv:1709.04945 |
in this work we extend the fourier - stieltjes transform of a vector measure and a continuous function defined on compact groups to locally compact groups. to do so, we consider a representation l of a normal compact subgroup k of a locally compact group g, and we use a representation of g induced by that of l. then, w... | arxiv:2202.07055 |
when answering a question, people often draw upon their rich world knowledge in addition to the particular context. while recent works retrieve supporting facts / evidence from commonsense knowledge bases to supply additional information to each question, there is still ample opportunity to advance it on the quality of... | arxiv:2012.13185 |
this paper proves continuity of value functions in discounted periodic - review single - commodity total - cost inventory control problems with \ revision { continuous inventory levels, } fixed ordering costs, possibly bounded inventory storage capacity, and possibly bounded order sizes for finite and infinite horizons... | arxiv:2112.14898 |
recently, the intrinsic magnetic topological insulator mnbi $ _ 2 $ te $ _ 4 $ has attracted great attention. it has an out - of - plane antiferromagnetic order, which is believed to open a sizable energy gap in the surface states. this gap, however, was not always observable in the latest angle - resolved photoemissio... | arxiv:2009.11026 |
presburger arithmetic $ \ mathop { \ mathbf { pra } } \ nolimits $ is the true theory of natural numbers with addition. we consider linear orderings interpretable in presburger arithmetic and establish various necessary and sufficient conditions for interpretability depending on dimension $ n $ of interpretation. we no... | arxiv:1911.07182 |
the bosonic content of string theory in curved background of multidimensional structure with p - branes has a systematic geometrical description as an effective sigma - model of gravity in lower dimension ( say 3 + 1 ) with additional interacting dilatonic and p - brane fields. if the target - space is locally symmetri... | arxiv:gr-qc/9912012 |
in 2001, zhongmin shen asked if it is possible for two projectively related finsler metrics to have the same riemann curvature tensor, [ 14, page 184 ]. in this paper, we provide an answer to this question, within the class of finsler metrics of scalar flag curvature. in theorem 3. 1, we show that the answer is negativ... | arxiv:1412.5282 |
the rapid expansion in the usage of social media networking sites leads to a huge amount of unprocessed user generated data which can be used for text mining. author profiling is the problem of automatically determining profiling aspects like the author ' s gender and age group through a text is gaining much popularity... | arxiv:1806.05600 |
it is known that, if a locally perturbed periodic self - adjoint operator on a combinatorial or quantum graph admits an eigenvalue embedded in the continuous spectrum, then the associated eigenfunction is compactly supported - - that is, if the fermi surface is irreducible, which occurs generically in dimension two or ... | arxiv:1307.6838 |
in this work we outline a simple and numerically inexpensive approach to describe the spectral features of the single - impurity anderson model. the method combines aspects of the density matrix embedding theory ( dmet ) approach with a spectral broadening approach inspired by those used in numerical renormalization gr... | arxiv:1611.04521 |
an important and widely neglected aspect of the interaction between an accretion disc and a massive companion with a coplanar orbit is the vertical component of the tidal force. as shown by lubow, the response of the disc to vertical forcing is resonant at certain radii, at which a localized torque is exerted, and from... | arxiv:astro-ph/0112443 |
##tated the infinitesimal approach to calculus, which had fallen into disrepute in favour of the theory of limits, by extending the field of real numbers to the hyperreal numbers which include infinitesimal and infinite quantities. an even larger number system, the surreal numbers were discovered by john horton conway ... | https://en.wikipedia.org/wiki/History_of_mathematics |
we construct a gr \ " obner - shirshov basis of the temperley - lieb algebra $ \ mathfrak { t } ( d, n ) $ of the complex reflection group $ g ( d, 1, n ) $, inducing the standard monomials expressed by the generators $ \ { e _ i \ } $ of $ \ mathfrak { t } ( d, n ) $. this result generalizes the one for the coxeter gr... | arxiv:1808.06523 |
, no patient, no matter, no illness, no one to heal, no substance, no person, no thing and no place that needs to be influenced. this is what the practitioner must first be clear about. christian scientists avoid almost all medical treatment, relying instead on christian science prayer. this consists of silently arguin... | https://en.wikipedia.org/wiki/Christian_Science |
given a hilbert space $ h $, the set $ p ( h ) $ of one - dimensional subspaces of $ h $ becomes an orthoset when equipped with the orthogonality relation $ \ perp $ induced by the inner product on $ h $. here, an \ emph { orthoset } is a pair $ ( x, \ perp ) $ of a set $ x $ and a symmetric, irreflexive binary relatio... | arxiv:2207.09148 |
in this study, we conclude the vertical, complete and horizontal lifts of frenet formulas given by ( 1 ) and defined on space r3 to its tangent space tr3 = r6. | arxiv:0902.3567 |
we demonstrate a universal mechanism for terminating spiral waves in excitable media using an established topological framework. this mechanism dictates whether high - or low - energy defibrillation shocks succeed or fail. furthermore, this mechanism allows for the design of a single minimal stimulus capable of defibri... | arxiv:2109.10850 |
the biham - middleton - levine ( bml ) traffic model is a simple two - dimensional, discrete cellular automaton ( ca ) that has been used to study self - organization and phase transitions arising in traffic flows. from the computational point of view, the bml model exhibits the usual features of discrete ca, where the... | arxiv:1804.07981 |
we establish the existence of a positive solution to the problem $ $ - \ delta u + v ( x ) u = f ( u ), \ qquad u \ in d ^ { 1, 2 } ( \ mathbb { r } ^ { n } ), $ $ for $ n \ geq3 $, when the nonlinearity $ f $ is subcritical at infinity and supercritical near the origin, and the potential $ v $ vanishes at infinity. ou... | arxiv:1711.04745 |
this contains part i of the book : congruence lattices of finite lattices, which covers about 80 years of research and more than 250 papers. | arxiv:2104.06539 |
we consider a spherically symmetric line element which admits either a black hole geometry or a wormhole geometry and show that in both cases the apparent horizon or the wormhole throat is partially characterized by the zero - set of a single curvature invariant. the detection of the apparent horizon by this invariant ... | arxiv:2104.08935 |
the main ingredient for local superconformal methods is the multiplet of gauge fields : the weyl multiplet. we construct the transformations of this multiplet for $ \ mathcal { n } = 3 $, $ d = 4 $. the construction is based on a supersymmetry truncation from the $ \ mathcal { n } = 4 $ weyl multiplet, on coupling with... | arxiv:1702.06442 |
measurements of di - jet production at hera provide an important test of nlo qcd calculations. it is also a source of information about partonic content of the photon, complementary to the measurements in e + e - experiments. in this article we review the status of the photon structutre studies with particular emphasis... | arxiv:hep-ex/0102019 |
we observe that the rector invariants classifying the genus of bs ^ 3 show up in ( orthogonal and unitary ) k - theory. we then use this knowledge to show purely algebraically how the k - theory of the spaces in the genus of bs ^ 3 differ. this provides new insights into a result of notbohm in the case of bs ^ 3. | arxiv:math/0501513 |
= = = founding = = = science saru was founded on february 4, 2013 by masaaki yuasa and eunyoung choi. yuasa and choi had previously worked together on numerous projects, and choi had prior experience leading ankama japan, a studio which utilized similar digital animation production techniques and employed a multination... | https://en.wikipedia.org/wiki/Science_Saru |
the search of high - order periodic orbits has been typically restricted to problems with symmetries that help to reduce the dimension of the search space. well - known examples include reversible maps with symmetry lines. the present work proposes a new method to compute high - order periodic orbits in twist maps with... | arxiv:2003.02788 |
the quasi - integrable kdv equation has been obtained from the corresponding deformation of the hamiltonian for the usual kdv system. following suitable gauge - fixing, it has been found that the quasi - conservation condition is satisfied and an infinite number of anomalous conservation laws are obtained, with some co... | arxiv:1612.07499 |
we predict that triangle singularities of hadron spectroscopy can be strongly affected in heavy ion collisions. to do it we examine various effects on the singularity - inducing triangle loop of finite temperature in the terminal hadron phase. it appears that peaks seen in central heavy ion collisions are more likely t... | arxiv:2008.12031 |
this paper aims to improve the accuracy of texture classification based on extracting texture features using five different texture methods and classifying the patterns using a naive bayesian classifier. three statistical - based and two model - based methods are used to extract texture features from eight different te... | arxiv:1512.08814 |
the $ \ lambda $ separation energy for $ \ lambda $ - hypernuclei, denoted $ b _ \ lambda $, measured in 1967, 1968, and 1973 are recalibrated using the current best mass estimates for particles and nuclei. the recalibrated $ b _ \ lambda $ are systematically larger ( except in the case of $ ^ 6 _ \ lambda $ he ) than ... | arxiv:1908.03134 |
standards of wired ethernet. wi - fi has become the de facto standard for access in private homes, within offices, and at public hotspots. some businesses charge customers a monthly fee for service, while others have begun offering it free in an effort to increase the sales of their goods. cellular data service offers ... | https://en.wikipedia.org/wiki/Wireless |
we report the highest - fidelity observations of the spiral galaxy m51 in co emission, revealing the evolution of giant molecular clouds ( gmcs ) vis - a - vis the large - scale galactic structure and dynamics. the most massive gmcs ( so - called gmas ) are first assembled and then broken up as the gas flow through the... | arxiv:0907.1656 |
we classify two - qubit commuting hamiltonians in terms of their computational complexity. suppose one has a two - qubit commuting hamiltonian h which one can apply to any pair of qubits, starting in a computational basis state. we prove a dichotomy theorem : either this model is efficiently classically simulable or it... | arxiv:1602.04145 |
in isolated nonlinear optical waveguide arrays with bounded energy spectrum, simultaneous conservation of energy and power of the optical modes enables study of coupled thermal and particle transport in the negative temperature regime. here, based on exact numerical simulation and rationale from landauer formalism, we ... | arxiv:2307.16529 |
we study nonlinear serial dependence tests for non - gaussian time series and residuals of dynamic models based on portmanteau statistics involving nonlinear autocovariances. a new test with an asymptotic $ \ chi ^ 2 $ distribution is introduced for testing nonlinear serial dependence ( nlsd ) in time series. this test... | arxiv:2312.05373 |
in high - temperature cuprate superconductors, stripe order refers broadly to a coupled spin and charge modulation with a commensuration of eight and four lattice units, respectively. how this stripe order evolves across optimal doping remains a controversial question. here we present a systematic resonant inelastic x ... | arxiv:2206.06695 |
the solar system includes two planets - - - mercury and mars - - - significantly less massive than earth, and all evidence indicates that planets of similar size orbit many stars. in fact, one of the first exoplanets to be discovered is a lunar - mass planet around a millisecond pulsar. novel classes of exoplanets have... | arxiv:1308.6308 |
we present a simple mechanism by which supersymmetry can be dynamically broken in intersecting brane models, naturally generating an exponentially small scale. rather than utilize either non - abelian gauge dynamics or d - instantons, our mechanism uses worldsheet instantons to generate the small scale in a hidden sect... | arxiv:0708.4116 |
dropout and other feature noising schemes control overfitting by artificially corrupting the training data. for generalized linear models, dropout performs a form of adaptive regularization. using this viewpoint, we show that the dropout regularizer is first - order equivalent to an l2 regularizer applied after scaling... | arxiv:1307.1493 |
understanding the collective behavior of a quantum many - body system, a system composed of a large number of interacting microscopic degrees of freedom, is a key aspect in many areas of contemporary physics. however, as a direct consequence of the difficultly of the so - called many - body problem, many exotic quantum... | arxiv:1109.5424 |
the crystal structure of bulk srtio $ _ 3 $ ( sto ) transitions from cubic to tetragonal at around 105k. recent local scanning probe measurements of laalo $ _ 3 $ / srtio $ _ 3 $ ( lao / sto ) interfaces indicated the existence of spatially inhomogeneous electrical current paths and electrostatic potential associated w... | arxiv:1703.07229 |
a large distance propagation in turbulent atmosphere results in disintegration of laser beam into speckles. we find that the most intense speckle approximately preserves both the gaussian shape and the diameter of the initial collimated beam while loosing energy during propagation. one per 1000 of atmospheric realizati... | arxiv:1711.02841 |
which matrices can be written as sums or products of square - zero matrices? this question is the central premise of this dissertation. over the past 25 years a significant body of research on products and linear combinations of square - zero matrices has developed, and it is the aim of this study to present this body ... | arxiv:1804.02140 |
we study the riemannian geometry of 3d axisymmetric ideal fluids. we prove that the $ l ^ 2 $ exponential map on the group of volume - preserving diffeomorphisms of a $ 3 $ - manifold is fredholm along axisymmetric flows with sufficiently small swirl. along the way, we define the notions of axisymmetric and swirl - fre... | arxiv:1911.10302 |
the recently introduced intelligent trial - and - error ( it & e ) algorithm showed that robots can adapt to damage in a matter of a few trials. the success of this algorithm relies on two components : prior knowledge acquired through simulation with an intact robot, and bayesian optimization ( bo ) that operates on - ... | arxiv:1611.09419 |
of information such as geographic data, property valuation and real estate advice being moved online. this has been successful, with companies like zillow ( us ), rightmove ( uk ), pricehubble ( ch ) and aurum proptech ( india ) being in the top listed companies in their respective markets. the rise of digital technolo... | https://en.wikipedia.org/wiki/Property_technology |
recent measurements showed that the period derivative of the ' high - b ' radio pulsar psr j1734 - 3333 is increasing with time. for neutron stars evolving with fallback disks, this rotational behavior is expected in certain phases of the long - term evolution. using the same model as employed earlier to explain the ev... | arxiv:1211.4689 |
in many real - world openflow - based sdn deployments, the ability to program heterogeneous forwarding elements built with different forwarding architectures is a desirable capability. in this paper, we discuss a data plane programming framework suitable for a flexible and protocol - oblivious data plane and show how o... | arxiv:1405.0060 |
the determination of the optical spectrum of single - wall carbon nanotubes ( swcnts ) is essential for the development of opto - electronic components and sensors with application in many fields. real swcnts are finite, but almost all the studies performed so far use infinite swcnts. however, the spectra of finite and... | arxiv:1712.04870 |
we make a spectral analysis of discrete schroedinger operators on the half - line, subject to complex robin - type boundary couplings and complex - valued potentials. first, optimal spectral enclosures are obtained for summable potentials. second, general smallness conditions on the potentials guaranteeing a spectral s... | arxiv:2111.08265 |
by using the exact solutions of the weyl equation in a constant magnetic field, the equal - time wigner function for magnetized chiral plasma is derived. it is found that the dependence of the wigner function on the component of momentum along the magnetic field is asymmetric and is correlated with the fermion chiralit... | arxiv:1707.01105 |
model atmospheres have been computed for m dwarfs that are strongly irradiated by nearby hot companions. a variety of primary and secondary spectral types are explored in addition to models specific to four known systems : gd 245, nn ser, aa dor, and uu sge. this work demonstrates that a dramatic temperature inversion ... | arxiv:astro-ph/0406599 |
we present predictions and projections for hadron - in - jet measurements and electron - jet azimuthal correlations at the future electron - ion collider ( eic ). these observables directly probe the three - dimensional ( 3d ) structure of hadrons, in particular, the quark transversity and sivers parton distributions a... | arxiv:2007.07281 |
error distribution analysis is an important assistant technology for the research of sins ( strapdown inertial navigation system ). error distribution result can provide the contribution of different errors to final navigation error, which is helpful for modifying and optimizing sins. to realize decomposing the navigat... | arxiv:2203.11810 |
we use twisted fourier - mukai transforms to study the relation between an abelian fibration on a holomorphic symplectic manifold and its dual fibration. our reasoning leads to an equivalence between the derived category of coherent sheaves on one space and the derived category of twisted sheaves on the other space. | arxiv:math/0404365 |
in this paper, we investigate the relations between the pitch, the angle of pitch and drall of parallel ruled surface of a closed curve in dual lorentzian space. | arxiv:1009.2625 |
genomic imprinting and maternal effects are two epigenetic factors that have been increasingly explored for their roles in the etiology of complex diseases. this is part of a concerted effort to find the " missing heritability. " accordingly, statistical methods have been proposed to detect imprinting and maternal effe... | arxiv:1304.4799 |
we introduce a mean field game for a family of filtering problems related to the classic sequential testing of the drift of a brownian motion. to the best of our knowledge this work presents the first treatment of mean field filtering games with stopping and an unobserved common noise in the literature. we show that th... | arxiv:2403.18297 |
we provide single - model estimates of aleatoric and epistemic uncertainty for deep neural networks. to estimate aleatoric uncertainty, we propose simultaneous quantile regression ( sqr ), a loss function to learn all the conditional quantiles of a given target variable. these quantiles can be used to compute well - ca... | arxiv:1811.00908 |
results are presented from a one - neutron knockout reaction at relativistic energies on 56ti using the gsi frs as a two - stage magnetic spectrometer and the miniball array for gamma - ray detection. inclusive and exclusive longitudinal momentum distributions and cross - sections were measured enabling the determinati... | arxiv:0810.3157 |
machine translation models have discrete vocabularies and commonly use subword segmentation techniques to achieve an ' open vocabulary. ' this approach relies on consistent and correct underlying unicode sequences, and makes models susceptible to degradation from common types of noise and variation. motivated by the ro... | arxiv:2104.08211 |
surface critical phenomena and the related onset of goldstone modes probe the fundamental properties of the confining flux in quantum chromodynamics. new ideas on surface roughening and their implications for lattice studies of quark confinement are presented. problems with the oversimplified string description of the ... | arxiv:hep-lat/9911007 |
the magnitude of binding energy used in the conventional nuclear theory to explain the emc experimental data, seems to be larger than the one expected. in this paper to get sufficient depletion in the binding energy, different oscillator - model parameters $ \ textit { $ h \ omega $ } $ for different shells and the pro... | arxiv:0802.1623 |
malaria is the one of the leading causes of morbidity and mortality in many developing countries. the development of a highly effective and readily deployable vaccine represents a major goal for world health. there has been recent progress in developing a clinically effective vaccine manufactured using plasmodium falci... | arxiv:1903.02532 |
bound states are stationary in time and interact continuously. even a first approximation of atomic wave functions in qed requires contributions of all orders in \ alpha. bound state perturbation theory depends on the choice of this first approximation, just as the taylor expansion of an ordinary function depends on th... | arxiv:1711.10851 |
we study uniform $ \ epsilon - $ bpb approximations of bounded linear operators between banach spaces from a geometric perspective. we show that for sufficiently small positive values of $ \ epsilon, $ many geometric properties like smoothness, norm attainment and extremality of operators are preserved under such appro... | arxiv:2407.07490 |
we study the $ sig $ dimension of trees under $ l _ { \ infty } $ metric and answer an open problem posed by michael and quint ( discrete applied mathematics : 127, pages 447 - 460, 2003 ). let $ t $ be a tree with atleast two vertices. for each $ v \ in v ( t ) $, let leaf - degree $ ( v ) $ denote the number of neigh... | arxiv:0910.5380 |
these lectures cover aspects of primordial cosmology with a focus on observational tests of physics beyond the standard model. the presentation is divided into two parts : in part i, we study the production of new light particles in the hot big bang and describe their effects on the anisotropies of the cosmic microwave... | arxiv:1807.03098 |
it is argued that important information on the emergence of space is hidden at the quark / hadron level. the arguments follow from the acceptance of the conception that space is an attribute of matter. they involve in particular the discussion of possibly relevant mass and distance scales, the generalization of the con... | arxiv:1809.05402 |
the coexistence of infinitely many attractors is called extreme multistability in dynamical systems. in coupled systems, this phenomenon is closely related to partial synchrony and characterized by the emergence of a conserved quantity. we propose a general design of coupling that leads to partial synchronization, whic... | arxiv:1505.02094 |
in causal inference, sensitivity analysis is important to assess the robustness of study conclusions to key assumptions. we perform sensitivity analysis of the assumption that missing outcomes are missing completely at random. we follow a bayesian approach, which is nonparametric for the outcome distribution and can be... | arxiv:2305.06816 |
multiphase ranking functions ( $ \ mathit { m { \ phi } rfs } $ ) were proposed as a means to prove the termination of a loop in which the computation progresses through a number of " phases ", and the progress of each phase is described by a different linear ranking function. our work provides new insights regarding s... | arxiv:1703.07547 |
deep learning has proven to be effective in a wide variety of loss minimization problems. however, many applications of interest, like minimizing projected bellman error and min - max optimization, cannot be modelled as minimizing a scalar loss function but instead correspond to solving a variational inequality ( vi ) ... | arxiv:2411.05228 |
message passing is a fundamental procedure for graph neural networks in the field of graph representation learning. based on the homophily assumption, the current message passing always aggregates features of connected nodes, such as the graph laplacian smoothing process. however, real - world graphs tend to be noisy a... | arxiv:2202.00423 |
clustering is one of the main tasks in exploratory data analysis and descriptive statistics where the main objective is partitioning observations in groups. clustering has a broad range of application in varied domains like climate, business, information retrieval, biology, psychology, to name a few. a variety of metho... | arxiv:1203.4157 |
this work provides a concrete implementation of e. fermi ' s model of particle acceleration in magnetohydrodynamic ( mhd ) turbulence, connecting the rate of energization to the gradients of the velocity of magnetic field lines, which it characterizes within a multifractal picture of turbulence intermittency. it then d... | arxiv:2210.01038 |
experimental studies of fission induced in relativistic nuclear collisions show a systematic enhancement of the excitation energy of the primary fragments by a factor of ~ 2, before their decay by fission and other secondary fragments. although it is widely accepted that by doubling the energies of the single - particl... | arxiv:1912.05468 |
multi - wavelength ( mw ) observations of fast radio bursts ( frbs ) is a key avenue to uncover the yet - unknown origin ( s ) of these extragalactic signals. in this proceeding, we discuss the need for precise localization to conduct mw studies. we present a number of theoretical predictions of mw counterparts and men... | arxiv:2311.02360 |
we report on a detailed spatial and spectral analysis of the large - scale x - ray emission from the merging cluster cygnus a. we use 2. 2 ms chandra and 40 ks xmm - newton archival datasets to determine the thermodynamic properties of the intracluster gas in the merger region between the two sub - clusters in the syst... | arxiv:2401.02912 |
context. inferring spectral parameters from x - ray data is one of the cornerstones of high - energy astrophysics, and is achieved using software stacks that have been developed over the last twenty years and more. however, as models get more complex and spectra reach higher resolutions, these established software solu... | arxiv:2409.05757 |
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