text stringlengths 1 3.65k | source stringlengths 15 79 |
|---|---|
##zabo, ed., north - holland, amsterdam, 1969. godel, kurt ( 1929 ). uber die vollstandigkeit des logikkalkuls [ completeness of the logical calculus ]. doctoral dissertation. university of vienna. godel, kurt ( 1930 ). " die vollstandigkeit der axiome des logischen funktionen - kalkuls " [ the completeness of the axio... | https://en.wikipedia.org/wiki/Mathematical_logic |
we prove a generalization of the hardy - littlewood - p \ ' olya rearrangement inequality to positive definite matrices. the inequality can be seen as a commutation principle in the sense of iusem and seeger. an important instrument in the proof is a first - order perturbation formula for a certain spectral function, w... | arxiv:2006.08144 |
the possibility to measure an electric dipole moment ( edm ) of nuclei in the range $ 10 ^ { - 27 } \ div 10 ^ { - 32 } $ $ e \ cdot cm $ in experiments for search of time - reversal violating generation of magnetic and electric fields is discussed. | arxiv:hep-ph/0402209 |
we classify all the $ 6 $ - dimensional unimodular lie algebras $ \ mathfrak { g } $ admitting a complex structure with non - zero closed $ ( 3, 0 ) $ - form. this gives rise to $ 6 $ - dimensional compact homogeneous spaces $ m = \ gamma \ backslash g $, where $ \ gamma $ is a lattice, admitting an invariant complex s... | arxiv:2305.02654 |
digital elevation models derived from interferometric synthetic aperture radar ( insar ) data over glacial and snow - covered regions often exhibit systematic elevation errors, commonly termed " penetration bias. " we leverage existing physics - based models and propose an integrated correction framework that combines ... | arxiv:2504.08909 |
we revisit the bose - mesner algebra of the perfect matching association scheme. our main results are : 1. an inductive algorithm, based on solving linear equations, to compute the eigenvalues of the orbital basis elements given the central characters of the symmetric groups. 2. universal formulas, as content evaluatio... | arxiv:1807.00481 |
there is analyzed a performance of optimal feedback communication systems with the analog transmitters in the forward channel ( afcs ). it is shown that measures and limit boundaries of afcs performance are similar but differ from those used in digital communications and information theory. the causes of the difference... | arxiv:1304.5670 |
the potential of using hydrogen as a sustainable energy carrier is attributed to its high energy density and its utilization without co $ _ 2 $ emissions. existing technologies mainly produce hydrogen thermochemically via natural gas reforming or electrochemically through water splitting. organic solid feedstocks rich ... | arxiv:2306.05643 |
it is shown that, in the infinite size limit, certain systems of globally coupled phase oscillators display low dimensional dynamics. in particular, we derive an explicit finite set of nonlinear ordinary differential equations for the macroscopic evolution of the systems considered. for example, an exact, closed form s... | arxiv:0806.0004 |
we consider the problem of minimizing a convex, separable, nonsmooth function subject to linear constraints. the numerical method we propose is a block - coordinate extension of the chambolle - pock primal - dual algorithm. we prove convergence of the method without resorting to assumptions like smoothness or strong co... | arxiv:1801.04782 |
this is the second in a series of papers which consider the orbifolds of permutation - type as candidates for new physical string systems at higher central charge. in the first paper, i worked out the extended actions of the twisted sectors of these orbifolds - - which exhibit new permutation - twisted world - sheet gr... | arxiv:hep-th/0703208 |
big data is transforming scientific progress by enabling the discovery of novel models, enhancing existing frameworks, and facilitating precise uncertainty quantification, while advancements in scientific machine learning complement this by providing powerful tools to solve inverse problems to identify the complex syst... | arxiv:2412.05133 |
the icarus collaboration employed the 760 - ton t600 detector in a successful three - year physics run at the underground lngs laboratory studying neutrino oscillations with the cern neutrino to gran sasso beam ( cngs ) and searching for atmospheric neutrino interactions. icarus performed a sensitive search for lsnd - ... | arxiv:2301.08634 |
we investigate how one can detect the dualizing property for a chain complex over a commutative local noetherian ring r. our focus is on homological properties of contracting endomorphisms of r, e. g., the frobenius endomorphism when r contains a field of positive characteristic. | arxiv:1210.2700 |
one of the key issues in mandarin chinese text - to - speech ( tts ) systems is polyphone disambiguation when doing grapheme - to - phoneme ( g2p ) conversion. in this paper, we introduce a novel method to solve the problem as a generation task. following the trending research of large language models ( llm ) and promp... | arxiv:2312.11920 |
multi - wavelength monitoring of sgr a * flaring activity confirms the presence of embedded structures within the disk on size scales commensurate with the innermost accretion region, matching size scales that are derived from observed light curves within a broad range of wavelengths. we explore here a few of the obser... | arxiv:1511.02657 |
we study magnetic phases of two - component mixtures of ultracold fermions with repulsive interactions in optical lattices in the presence of hopping imbalance. our analysis is based on dynamical mean - field theory ( dmft ) and its real - space generalization at finite temperature. we study the temperature dependence ... | arxiv:1203.4658 |
recommender systems ( rss ) have become an essential tool for mitigating information overload in a range of real - world applications. recent trends in rss have revealed a major paradigm shift, moving the spotlight from model - centric innovations to data - centric efforts ( e. g., improving data quality and quantity )... | arxiv:2401.17878 |
learning to derive subgoals reduces the gap between experts and students and makes students prepared for future problem solving. researchers have explored subgoal labeled instructional materials with explanations in traditional problem solving and within tutoring systems to help novices learn to subgoal. however, only ... | arxiv:2208.04696 |
we present a thorough literature study of the most - massive star, m _ max, in several young star clusters in order to assess whether or not star clusters are populated from the stellar initial mass function ( imf ) by random sampling over the mass range 0. 01 < m < 150 m _ sol without being constrained by the cluster ... | arxiv:0909.1555 |
we consider a spatially extended mesoscopic fitzhugh - nagumo model with strong local interactions and prove that its asymptotic limit converges towards the classical nonlocal reaction - diffusion fitzhugh - nagumo system. as the local interactions strongly dominate, the weak solution to the mesoscopic equation under c... | arxiv:2201.02363 |
the nonlinear dynamics of a quasi - 1d bec loaded in a double - well potential is studied. the beyond mean - field corrections to the energy in the form of the lee - huang - yang term are taken into account. one - dimensional geometry is considered. the problem is described in the scalar approximation by the extended g... | arxiv:2406.08895 |
the role of large amplitude whistler waves in the energization and scattering of solar wind electrons has long been an interesting problem in space physics. to study this wave - particle interaction, we developed a vectorized test particle simulation with a variational calculation of the lyapunov exponents. from using ... | arxiv:2105.02265 |
a generalised stochastic gross - pitaevskii equation describing a partially condensed trapped bose gas with rotating thermal component is presented. we elucidate the manner in which the rotation changes the role of the high energy cutoff and introduces centrifugal effects in the classical field evolution. the rotation ... | arxiv:cond-mat/0602162 |
ultracold atom research presents many avenues to study problems at the forefront of physics. due to their unprecedented controllability, these systems are ideally suited to explore new exotic states of matter, which is one of the key driving elements of the condensed matter research. one such topic of considerable impo... | arxiv:1201.1458 |
we introduce a new class of josephson arrays which have non - trivial topology and exhibit a novel state at low temperatures. this state is characterized by long range order in a two cooper pair condensate and by a discrete topological order parameter. these arrays have degenerate ground states with this degeneracy ' p... | arxiv:cond-mat/0205186 |
tip - extending soft robots that " grow " via pneumatic eversion of their body material have demonstrated applications in exploration of cluttered environments. during growth, the motion and force of the robot tip can be controlled in three degrees of freedom using actuators that direct the tip in combination with exte... | arxiv:1910.11863 |
ground state magnetic phase diagrams of the square and simple cubic lattices are investigated for the narrow band hubbard model within the slave - boson approach by kotliar and ruckenstein. the transitions between saturated ( half - metallic ) and non - saturated ferromagnetic phases as well as similar transition in an... | arxiv:1710.00712 |
observational and theoretical results indicate that low - redshift bl lacertae objects are the most likely extragalactic sources to be detectable at tev energies. in this paper we present the results of observations of 4 bl lacertae objects ( pks0521 - 365, exo0423. 4 - 0840, pks2005 - 489 and pks2316 - 423 ) made betw... | arxiv:astro-ph/9811260 |
we describe steps toward an interactive directory for the town of norfolk, nebraska for the years 1899 and 1900. this directory would extend the traditional city directory by including a wider range of entities being described, much richer information about the entities mentioned and linkages to mentions of the entitie... | arxiv:1308.5395 |
dormancy is a costly adaptive strategy that is widespread among living organisms inhabiting diverse environments. we explore mathematical models of predator - prey systems, in order to assess the impact of prey dormancy on the competition between two types of prey, a perennially active ( pa ) and capable of entering do... | arxiv:2106.13527 |
this study investigates the potential of large language models ( llms ) for reconstructing and constructing the physical world solely based on textual knowledge. it explores the impact of model performance on spatial understanding abilities. to enhance the comprehension of geometric and spatial relationships in the com... | arxiv:2410.17529 |
for those concerned with the long - term value of their accounts, it can be a challenge to plan in the present for inflation - adjusted economic growth over coming decades. here, i argue that there exists an economic constant that carries through time, and that this can help us to anticipate the more distant future : g... | arxiv:1211.3102 |
magic state cultivation is a newly proposed protocol that represents the state of the art in magic state generation. it uses the transversality of the $ \ text { h } _ { xy } $ gate on the 2d triangular color - code, together with a novel grafting mechanism to transform the color - code into a matchable code with minim... | arxiv:2502.01743 |
even after decades of research, the origin of multiple stellar populations in globular clusters remains enigmatic. the question as to whether the galaxy environment plays a role in their formation remains unanswered. to that extent, we analysed two classical ( > 10 gyr old ) large magellanic cloud globular clusters nam... | arxiv:2107.08560 |
the ap \ ' ery polynomials are given by $ $ a _ n ( x ) = \ sum _ { k = 0 } ^ n \ binom nk ^ 2 \ binom { n + k } k ^ 2x ^ k \ \ ( n = 0, 1, 2, \ ldots ). $ $ ( those $ a _ n = a _ n ( 1 ) $ are ap \ ' ery numbers. ) let $ p $ be an odd prime. we show that $ $ \ sum _ { k = 0 } ^ { p - 1 } ( - 1 ) ^ ka _ k ( x ) \ equiv... | arxiv:1101.1946 |
due to the equivalence of the statistical ensembles thermostatic properties of physical systems with short - range interactions can be calculated in different ensembles leading to the same physics. in particular, the ensemble equivalence holds for systems that undergo a continuous phase transition in the infinite volum... | arxiv:cond-mat/0509486 |
we study within the light - cone path integral approach the induced gluon emission from a fast quark passing through a finite - size qcd plasma. we show that the leading log approximation used in previous studies fails when the gluon formation length becomes of the order of the length of the medium traversed by the qua... | arxiv:hep-ph/0012360 |
organometal trihalide perovskite solar cells have been rapidly developed and attracted much attention in recent years due to their high photoelectric conversion efficiency and low cost. pulsed laser deposition ( pld ) is a widely adopted technology which is used in the preparation of thin films, especially oxide thin f... | arxiv:1807.00287 |
we determine from first - principles the curie temperature tc for bulk co in the hcp, fcc, bcc, and tetragonalized bct phases, for feco alloys, and for bcc and bct fe. for bcc - co, tc = 1420 k is predicted. this would be the highest curie temperature among the co phases, suggesting that bcc - co / mgo / bcc - co tunne... | arxiv:cond-mat/0612497 |
we introduce an automatic machine learning ( automl ) modeling architecture called autostacker, which combines an innovative hierarchical stacking architecture and an evolutionary algorithm ( ea ) to perform efficient parameter search. neither prior domain knowledge about the data nor feature preprocessing is needed. u... | arxiv:1803.00684 |
we study the goussarov - habiro finite type invariants theory for framed string links in homology balls. their degree 1 invariants are computed : they are given by milnor ' s triple linking numbers, the mod 2 reduction of the sato - levine invariant, arf and rochlin ' s $ \ mu $ invariant. these invariants are seen to ... | arxiv:math/0402035 |
due to the increasing deployment of deep neural networks ( dnns ) in real - world security - critical domains including autonomous vehicles and collision avoidance systems, formally checking security properties of dnns, especially under different attacker capabilities, is becoming crucial. most existing security testin... | arxiv:1804.10829 |
) { \ displaystyle o ( n ^ { 2 } ) } when it is given input that triggers suboptimal behavior. the term is often used pejoratively, as a way of dismissing such inputs as being specially designed to break a routine that is otherwise sound in practice ( compare with byzantine ). on the other hand, awareness of pathologic... | https://en.wikipedia.org/wiki/Pathological_(mathematics) |
we show here how density functional theory calculations can be used to predict the temperatureand orientation - dependence of the yield stress of body - centered cubic ( bcc ) metals in the thermallyactivated regime where plasticity is governed by the glide of screw dislocations with a 1 / 2 < 111 > burgers vector. our... | arxiv:2105.03188 |
the goal of face recognition ( fr ) can be viewed as a pair similarity optimization problem, maximizing a similarity set $ \ mathcal { s } ^ p $ over positive pairs, while minimizing similarity set $ \ mathcal { s } ^ n $ over negative pairs. ideally, it is expected that fr models form a well - discriminative feature s... | arxiv:2203.11593 |
van der waals ( vdw ) forces play a fundamental role in the structure and behavior of diverse systems. thanks to development of functionals that include non - local correlation, it is possible to study the effects of vdw interactions in systems of industrial and tribological interest. here we simulated within the frame... | arxiv:1405.2208 |
transfer learning has emerged as a powerful methodology for adapting pre - trained deep neural networks on image recognition tasks to new domains. this process consists of taking a neural network pre - trained on a large feature - rich source dataset, freezing the early layers that encode essential generic image proper... | arxiv:2007.05869 |
we study the cokernel of the application given by the cartan matrix $ c _ \ lambda $ of a finite dimensional $ k $ - algebra $ \ lambda. $ this produces a finitely generated abelian group, the cartan group $ g _ \ lambda, $ which is invariant under derived equivalences. we are interested in the case when $ g _ \ lambda... | arxiv:1804.01168 |
political scientists are increasingly interested in assessing causal mechanisms, or determining not just if a causal effect exists but also why it occurs. even so, many researchers avoid formal causal mediation analyses due to their stringent assumptions, instead opting to explore causal mechanisms through what we call... | arxiv:2407.07072 |
previous studies have revealed a population of galaxies in galaxy clusters with ram pressure stripped ( rps ) tails of gas and embedded young stars. we observed 1. 4 ghz continuum and hi emission with the very large array in its b - configuration in two fields of the coma cluster to study the radio properties of rps ga... | arxiv:2004.06743 |
in this paper we have calculated the effect of lyalpha photons emitted by the first stars on the evolution of the igm temperature. we have considered both a standard salpeter imf and a delta - function imf for very massive stars with mass 300 m _ sun. we find that the lyalpha photons produced by the stellar populations... | arxiv:0707.3520 |
the co knight shift was measured in an aligned powder sample of na _ xcoo _ 2yh _ 2o, which shows superconductivity at t _ c \ sim 4. 6 k. the knight - shift components parallel ( k _ c ) and perpendicular to the c - axis ( along the ab plane k _ { ab } ) were measured in both the normal and superconducting ( sc ) stat... | arxiv:cond-mat/0511436 |
we report on experimental evidence of the berry phase accumulated by the charge carrier wave function in single - domain nanowires made from a ( ga, mn ) ( as, p ) diluted ferromagnetic semiconductor layer. its signature on the mesoscopic transport measurements is revealed as unusual patterns in the magnetoconductance,... | arxiv:1506.04044 |
in this chapter we review the young stars and molecular clouds found at high galactic latitudes $ ( | b | \ ge 30 ^ \ circ ) $. these are mostly associated with two large - scale structures on the sky, the gould belt and the taurus star formation region, and a handful of molecular clouds including mbm 12 and mbm 20 whi... | arxiv:0811.3440 |
we collect the yields of charged pions ( $ \ pi ^ - $ and $ \ pi ^ + $ ), charged kaons ( $ k ^ - $ and $ k ^ + $ ), anti - protons ( $ \ bar p $ ), and protons ( $ p $ ) produced in mid - rapidity interval ( in most cases ) in central gold - gold ( au - au ), central lead - lead ( pb - pb ), and inelastic or non - sin... | arxiv:1806.04309 |
we find that the function that describes the surface of spherical aberration free lenses can be used for both positive and negative refractive index media. with the inclusion of negative index, this function assumes the form of all the conic sections and expands the theory of aplanatic optical surfaces. there are two d... | arxiv:physics/0307088 |
before solar eruptions, a short - term slow - rise phase is often observed, during which the pre - eruption structure ascends at speeds much greater than the photospheric motions but much less than those of the eruption phase. numerical magnetohydrodynamic ( mhd ) simulations of the coronal evolution driven by photosph... | arxiv:2504.07353 |
we have used public jwst / nirspec and jwst / nircam observations from the ceers and jades surveys in order to analyze the star - forming main sequence ( sfms ) over the redshift range $ 1. 4 \ leq z < 7 $. we calculate the star - formation rates ( sfrs ) of the galaxy sample using three approaches : balmer line lumino... | arxiv:2406.05178 |
a description is given of the image of the weil representation of the symplectic group in the schwartz space and in the space of tempered distributions under the gaussian integral transform. we also discuss the problem of infinite dimensional generalization of the weil representation in the schwartz space, in order to ... | arxiv:math-ph/0601029 |
we report extensive theoretical calculations on the rotation - inversion excitation of interstellar ammonia ( nh3 ) due to collisions with atomic and molecular hydrogen ( both para - and ortho - h2 ). close - coupling calculations are performed for total energies in the range 1 - 2000 cm - 1 and rotational cross sectio... | arxiv:1706.00732 |
we show that the $ qq $ - character of the irreducible highest weight module for finite - type and affine quivers is obtained by higgsing, specialization of the equivariant parameters of the associated framing space in the quiver variety. | arxiv:2205.08312 |
graph search planning algorithms for navigation typically rely heavily on heuristics to efficiently plan paths. as a result, while such approaches require no training phase and can directly plan long horizon paths, they often require careful hand designing of informative heuristic functions. recent works have started b... | arxiv:2303.09477 |
we propose simple nonparametric estimators for mediated and time - varying dose response curves based on kernel ridge regression. by embedding pearl ' s mediation formula and robins ' g - formula with kernels, we allow treatments, mediators, and covariates to be continuous in general spaces, and also allow for nonlinea... | arxiv:2111.03950 |
based on the work of okounkov, kaveh - khovanskii and lazarsfeld - mustata independently associated a convex body, called the okounkov body, to a big divisor on a normal projective variety with respect to an admissible flag. although the okounkov bodies carry rich positivity data of big divisors, they only provide info... | arxiv:1710.04351 |
in this paper, we provide a geometric analysis of a new hysteresis model that is based upon singular perturbations. here hysteresis refers to a type of regularization of piecewise smooth differential equations where the past of a trajectory, in a small neighborhood of the discontinuity set, determines the vector - fiel... | arxiv:2202.05027 |
the work extractable from correlated bipartite quantum systems can be used to distinguish entanglement from classical correlation. a natural question is now whether it can be generalised to multipartite systems. in this paper, we devise a protocol to distinguish the ghz, the w, and separable states in terms of the ther... | arxiv:quant-ph/0504148 |
great successes of deep neural networks have been witnessed in various real applications. many algorithmic and implementation techniques have been developed, however, theoretical understanding of many aspects of deep neural networks is far from clear. a particular interesting issue is the usefulness of dropout, which w... | arxiv:1402.3811 |
we have carried out model calculations of the photoionized intergalactic medium ( igm ) to determine the effects on the predicted ionic column densities due to uncertainties in the published dielectronic recombination ( dr ) rate coefficients. based on our previous experimental work and a comparison of published theore... | arxiv:astro-ph/9910567 |
human vision is often adversely affected by complex environmental factors, especially in night vision scenarios. thus, infrared cameras are often leveraged to help enhance the visual effects via detecting infrared radiation in the surrounding environment, but the infrared videos are undesirable due to the lack of detai... | arxiv:2108.00913 |
this manuscript reviews recent results of large scale shell model calculations on n = z nuclei. the topics discussed include the role proton - neutron pairing on the binding energies of pf - shell nuclei and his influence on backbending rotors ; coulomb energy differences and their relationship with alignment. proton -... | arxiv:nucl-th/0105018 |
we consider a few thought experiments of radial motion of massive particles in the gravitational fields outside and inside various celestial bodies : earth, sun, black hole. all other interactions except gravity are disregarded. for the outside motion there exists a critical value of coordinate velocity $ { \ rm v } _ ... | arxiv:gr-qc/0310020 |
federated learning ( fl ) is a promising approach that enables distributed clients to collaboratively train a global model while preserving their data privacy. however, fl often suffers from data heterogeneity problems, which can significantly affect its performance. to address this, clustered federated learning ( cfl ... | arxiv:2311.16535 |
aspects of superstring theory on deformed btz black holes, formed near $ k $ ~ ns5 branes by $ p $ ~ fundamental strings, and single - trace $ t \ bar t $ holography, are presented. the excitation energy of a singly wound long string plus its contribution to the energy of the black hole, $ 1 / p $ fraction of the black... | arxiv:2402.05776 |
we present colour transformations for the conversion of the wide - field survey explorer ( wise ) w1, w2, and w3 magnitudes to the johnson - cousins ( bvic ), sloan digital sky survey ( gri ), and two micron all sky survey jhks photometric systems, for red clump ( rc ) stars. rc stars were selected from the third radia... | arxiv:1202.0388 |
huge built - in electric fields have been predicted to exist in wurtzite iii - v nitrides thin films and multilayers. such fields originate from heterointerface discontinuities of the macroscopic bulk polarization of the nitrides. here we discuss the background theory, the role of spontaneous polarization in this conte... | arxiv:cond-mat/9808098 |
a key aim of this paper is to explore how our professional tasks as geoscientists and petroleum engineers can be completed more effectively making use of tools powered by artificial intelligence ( ai ), offered in commercial platforms now readily available to individual users. this paper intends to provide some guidanc... | arxiv:2306.02882 |
an in - plane magnetic field applied to an ising superconductor converts spin - singlet cooper pairs to spin - triplet ones. in this work, we study a josephson junction formed by two ising superconductors that are proximitized by ferromagnetic layers. this leads to highly tunable spin - triplet pairing correlations whi... | arxiv:2107.14259 |
the qcd higher order effects to the polarized structure function $ g _ 2 ( x, q ^ 2 ) $ are reanalyzed for massive quarks in the context of the operator product expansion. we confirm that the lowest moment of $ g _ 2 ( x, q ^ 2 ) $ which corresponds to the burkhardt - cottingham sum rule does { \ sl not } suffer from r... | arxiv:hep-ph/9408353 |
recently, machine learning, particularly message - passing graph neural networks ( mpnns ), has gained traction in enhancing exact optimization algorithms. for example, mpnns speed up solving mixed - integer optimization problems by imitating computational intensive heuristics like strong branching, which entails solvi... | arxiv:2310.10603 |
density functional theory ( dft ) and dft corrected for on - site coulomb interactions ( dft + u ) calculations are presented on aluminium doping in bulk tio $ _ 2 $ and the anatase ( 101 ) surface. particular attention is paid to the mobility of oxygen vacancies throughout the doped tio $ _ 2 $ lattice, as a means by ... | arxiv:1403.4787 |
explanatory inference is the creation and evaluation of hypotheses that provide explanations, and is sometimes known as abduction or abductive inference. generative ai is a new set of artificial intelligence models based on novel algorithms for generating text, images, and sounds. this paper proposes a set of benchmark... | arxiv:2404.18982 |
this work investigates observational properties, namely the shadow and photon ring structure, of emission profiles originated near compact objects. in particular, we consider a distorted and deformed compact object characterized by quadrupoles and surrounded by an optically thin and geometrically thin accretion disk wi... | arxiv:2403.02597 |
we investigate structural complexity measures on digraphs, in particular the cycle rank. this concept is intimately related to a classical topic in formal language theory, namely the star height of regular languages. we explore this connection, and obtain several new algorithmic insights regarding both cycle rank and s... | arxiv:1111.5357 |
we present a lattice study of the momentum broadening experienced by a hard parton in the quark - gluon plasma. in particular, the contributions to this real - time phenomenon from soft modes are extracted from a set of gauge - invariant operators in a dimensionally reduced effective theory ( electrostatic qcd ), which... | arxiv:1407.2963 |
the mass distributions of dense cores in star - forming regions are measured to have a shape similar to the initial mass function of stars. this has been generally interpreted to mean that the constituent cores will form individual stars or stellar systems at a nearly constant star formation efficiency. this article pr... | arxiv:0802.2099 |
we report current - direction dependent or unidirectional magnetoresistance ( umr ) in magnetic / nonmagnetic topological insulator ( ti ) heterostructures, cr $ _ x $ ( bi $ _ { 1 - y } $ sb $ _ y $ ) $ _ { 2 - x } $ te $ _ 3 $ / ( bi $ _ { 1 - y } $ sb $ _ y $ ) $ _ 2 $ te $ _ 3 $, that is several orders of magnitude... | arxiv:1609.05906 |
international human resources in developing third world countries led to a massive migration of software development activities from corporations in north america and europe to india and later : china, russia, and other developing countries. this approach had some flaws, mainly the distance / time zone difference that ... | https://en.wikipedia.org/wiki/Software_engineering |
a graph is \ emph { $ ( \ mathcal { i }, \ mathcal { f } ) $ - partitionable } if its vertex set can be partitioned into two parts such that one part $ \ mathcal { i } $ is an independent set, and the other $ \ mathcal { f } $ induces a forest. a graph is \ emph { $ k $ - degenerate } if every subgraph $ h $ contains a... | arxiv:2502.18797 |
drift - pair bursts are an unusual type of solar low - frequency radio emission, which appear in the dynamic spectra as two parallel drifting bright stripes separated in time. recent imaging spectroscopy observations allowed for the quantitative characterization of the drifting pairs in terms of source size, position, ... | arxiv:2007.14648 |
measuring gene expression simultaneously in both hosts and symbionts offers a powerful approach to explore the biology underlying species interactions. such dual or simultaneous rnaseq approaches have primarily been used to gain insight into gene function in model systems, but there is opportunity to expand and apply t... | arxiv:2206.12711 |
how to introduce thermodynamics to quantum mechanics? among from numerous possibilities of solving this task, the simple choice is here : the conventional von neumann equation deals with a density operator whose probability weights are time independent. because there is no reason apart from the reversible quantum mecha... | arxiv:1907.12467 |
fast radio bursts ( frbs ) are energetic millisecond radio bursts at cosmological distances, whose underlying engine is not identified. among a sub - population that emit repeated radio bursts, a handful were associated with a persistent radio source ( prs ) whose origin is unknown. here we report the discovery of a co... | arxiv:2501.14247 |
we study the manifestation of the $ \ delta ^ { + + } - \ delta ^ - $ component of the deuteron wave function in the exclusive reaction $ \ bar p d \ to \ pi ^ - \ pi ^ - \ delta ^ { + + } $. due to the large binding energy the internal motion in the $ \ delta - \ delta $ system is relativistic. we take this into accou... | arxiv:1807.05105 |
functional connectivity, as estimated using resting state fmri, has shown potential in bridging the gap between pathophysiology and cognition. however, clinical use of functional connectivity biomarkers is impeded by unreliable estimates of individual functional connectomes and lack of generalizability of models predic... | arxiv:1908.06197 |
among sub - optimal multi - agent path finding ( mapf ) solvers, rule - based algorithms are particularly appealing since they are complete. even in crowded scenarios, they allow finding a feasible solution that brings each agent to its target, preventing deadlock situations. however, generally, rule - based algorithms... | arxiv:2410.07954 |
although the ( varying power ) - law modified gravity toy model has the attractive feature of unifying the early and late - time expansions of the universe, thanks to the peculiar dependence of the scalar field ' s potential on the scalar curvature, the model still suffers from the fine - tuning problem when used to ex... | arxiv:1505.06023 |
surface temperature distribution of horizontal - branch ( hb ) stars is very sensitive to age in old stellar systems, which makes it an attractive age indicator. in this paper, we present the recent revision of our model calculations for the hb morphology of globular clusters. the result is more updated version of our ... | arxiv:astro-ph/9906303 |
in the standard model, the electroweak z - string can end on a nambu monopole, whose mass is calculated to be 689 gev from the current precise experimental data assuming the new particle with mass 125 gev to be the higgs boson. we study an extension of the standard model with additional singlet and triplet higgs fields... | arxiv:1211.2971 |
keldysh representation of the functional integral for the interacting electron system with disorder is used to derive microscopically an effective action for dirty superconductors. in the most general case this action is a functional of the 8 x 8 matrix q ( t, t ' ) which depends on two time variables, and on the fluct... | arxiv:cond-mat/9907358 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.