text stringlengths 1 3.65k | source stringlengths 15 79 |
|---|---|
in the classical prophet inequality, a gambler faces a sequence of items, whose values are drawn independently from known distributions. upon the arrival of each item, its value is realized and the gambler either accepts it and the game ends, or irrevocably rejects it and continues to the next item. the goal is to maxi... | arxiv:2204.01425 |
in order to explain the origin of skewness in the gamma - ray burst ( grb ) duration distribution, a statistical model, based on the cosmological time dilation and taking into account the grb formation rate and instrumental effects, is examined. it is concluded that the considered effects are able to account for only a... | arxiv:2004.13623 |
the paper computes the witt - sheaf cohomology rings of partial flag varieties in type a in terms of the pontryagin classes of the subquotient bundles. the proof is based on a leray - hirsch - type theorem for witt - sheaf cohomology for the maximal rank cases, and a detailed study of cohomology ring presentations and ... | arxiv:2302.11003 |
a class of sufficient conditions of local regularity for suitable weak solutions to the nonstationary three - dimensional navier - stokes equations are discussed. the corresponding results are formulated in terms of functionals which are invariant with respect to the navier - stokes equations scaling. the famous caffar... | arxiv:math/0607537 |
tech - leading organizations are embracing the forthcoming artificial intelligence revolution. intelligent systems are replacing and cooperating with traditional software components. thus, the same development processes and standards in software engineering ought to be complied in artificial intelligence systems. this ... | arxiv:2010.02716 |
an $ ( s, t ) $ - spread in a finite vector space $ v = v ( n, q ) $ is a collection $ \ mathcal f $ of $ t $ - dimensional subspaces of $ v $ with the property that every $ s $ - dimensional subspace of $ v $ is contained in exactly one member of $ \ mathcal f $. it is remarkable that no $ ( s, t ) $ - spreads has bee... | arxiv:1101.5336 |
we consider a status update system consisting of two independent sources and one server in which packets of each source are generated according to the poisson process and packets are served according to an exponentially distributed service time. we derive the moment generating function ( mgf ) of the age of information... | arxiv:2009.14439 |
sun et al. provided an insightful comment arxiv : 1108. 5739v1 on our manuscript entitled " controllability of complex networks with nonlinear dynamics " on arxiv. we agree on their main point that linearization about locally desired states can be violated in general by the breakdown of local control of the linearized ... | arxiv:1107.2177 |
the availability of satellite optical information is often hampered by the natural presence of clouds, which can be problematic for many applications. persistent clouds over agricultural fields can mask key stages of crop growth, leading to unreliable yield predictions. synthetic aperture radar ( sar ) provides all - w... | arxiv:2012.02998 |
the combination of machine learning and physical laws has shown immense potential for solving scientific problems driven by partial differential equations ( pdes ) with the promise of fast inference, zero - shot generalisation, and the ability to discover new physics. examples include the use of fundamental physical la... | arxiv:2409.06085 |
field, including computer engineering, communication / communication systems engineering, information technology, electrical engineering, electronics engineering, microelectronic engineering, microelectronics, nanotechnology, mechatronics, software engineering, systems, wireless and telecommunications, photovoltaic and... | https://en.wikipedia.org/wiki/Bachelor_of_Engineering |
the production of an intense, high energy and low emittance muon beam is interesting for a possible muon collider. the low emittance muon accelerator ( lemma ) team at the istituto nazionale di fisica nucleare ( infn ), in italy, is studying the production of a 22. 5 gev low emittance muon beam from a high energy posit... | arxiv:2011.11701 |
it has been recently shown ( fouxon et al. 2007 ) that, in the framework of ideal granular hydrodynamics ( ighd ), an initially smooth hydrodynamic flow of a granular gas can produce an infinite gas density in a finite time. exact solutions that exhibit this property have been derived. close to the singularity, the gra... | arxiv:0709.3433 |
machine learning offers promising methods for processing signals recorded with wearable devices such as surface electromyography ( semg ) and electroencephalography ( eeg ). however, in these applications, despite high within - session performance, intersession performance is hindered by electrode shift, a known issue ... | arxiv:2409.08058 |
most graphs in real life keep changing with time. these changes can be in the form of insertion or deletion of edges or vertices. such rapidly changing graphs motivate us to study dynamic graph algorithms. however, three important graph problems that are perhaps not sufficiently addressed in the literature include inde... | arxiv:1804.01823 |
we investigate the accuracy of the recently proposed nonclassical transport equation. this equation contains an extra independent variable compared to the classical transport equation ( the path - length $ s $ ), and models particle transport taking place in homogenized random media in which a particle ' s distance - t... | arxiv:1602.00825 |
the fulde - ferrell - larkin - ovchinnikov ( fflo ) phase was first predicted in 2d superconductors about 50 years ago, but so far unambiguous experimental evidences are still lacked. the recently experimentally realized spin - imbalanced fermi gases may potentially unveil this elusive state, but require very stringent... | arxiv:1208.2029 |
the collider experiments at the tevatron and the lhc provide us the possibility of probing the existence of a light charged higgs boson. in this paper we study semi - leptonic decay of a polarized top quark via the charged higgs boson ( $ t ( \ uparrow ) \ to h ^ { + } b \ to l ^ { + } \ nu _ { l } b $ ). it is shown t... | arxiv:hep-ph/0610363 |
we define the grassmannians of an infinite - dimensional vector space $ v $ as the orbits of the action of the general linear group $ { \ rm gl } ( v ) $ on the set of all subspaces. let $ { \ mathcal g } $ be one of these grassmannians. an apartment in $ { \ mathcal g } $ is the set of all elements of $ { \ mathcal g ... | arxiv:1701.03054 |
we present an analytic $ \ mathcal o ( \ alpha _ s ) $ calculation of cross sections in deep inelastic scattering ( dis ) dependent on an event shape, 1 - jettiness, that probes final states with one jet plus initial state radiation. this is the first entirely analytic calculation for a dis event shape cross section at... | arxiv:1407.6706 |
we study the low - energy properties of a truncated haldane pseudopotential with maximal half filling, which describes a strongly correlated system of spinless bosons in a cylinder geometry. for this hamiltonian with either open or periodic boundary conditions, we prove a spectral gap above the highly degenerate ground... | arxiv:2108.10794 |
traditional aerial vehicles are usually custom - designed for specific tasks. although they offer an efficient solution, they are not always able to adapt to changes in the task specification, e. g., increasing the payload. this applies to quadrotors, having a maximum payload and only four controllable degrees of freed... | arxiv:2106.04048 |
the goal of the present paper is to study the asymptotic behavior of solutions for the viscoelastic wave equation with variable exponents \ [ u _ { tt } - \ delta u + \ int _ 0 ^ tg ( t - s ) \ delta u ( s ) ds + a | u _ t | ^ { m ( x ) - 2 } u _ t = b | u | ^ { p ( x ) - 2 } u \ ] under initial - boundary condition, w... | arxiv:2011.11185 |
this paper studies spherical whittaker functions for central extensions of reductive groups over local fields. we follow the development of chinta and offen to produce a metaplectic casselman - shalika formula for tame covers of all unramified groups. | arxiv:1103.4653 |
evaluating the ability of large language models ( llms ) to follow complex human - written instructions is essential for their deployment in real - world applications. while benchmarks like chatbot arena use human judges to assess model performance, they are resource - intensive and time - consuming. alternative method... | arxiv:2410.06089 |
in this paper, we focus on online representation learning in non - stationary environments which may require continuous adaptation of model architecture. we propose a novel online dictionary - learning ( sparse - coding ) framework which incorporates the addition and deletion of hidden units ( dictionary elements ), an... | arxiv:1701.06106 |
we discuss a scheme for generation of single - mode photon states associated with the two - photon realization of the su ( 1, 1 ) algebra. this scheme is based on the process of non - degenerate down - conversion with the signal prepared initially in the squeezed vacuum state and with a measurement of the photon number... | arxiv:quant-ph/9707009 |
this study introduces a method based on link analysis to investigate the structure of the r & d support infrastructure associated with science parks in order to determine whether this webometric approach gives plausible results. three science parks from yorkshire and the humber in the uk were analysed with webometric a... | arxiv:1301.4933 |
bubbles at a free surface surface usually burst in ejecting myriads of droplets. focusing on the bubble bursting jet, prelude for these aerosols, we propose a simple scaling for the jet velocity and we unravel experimentally the intricate roles of bubble shape, capillary waves, gravity and liquid properties. we demonst... | arxiv:1407.0560 |
independently from the government but may still coordinate or collaborate with them. for example, in 2008, civic hacker william entriken created an open - source web application that publicly displayed a comparison of the actual arrival times of philadelphia ’ s local septa trains to their scheduled times. it also auto... | https://en.wikipedia.org/wiki/Civic_technology |
this paper presents escape, an informed moving target defense mechanism for cloud containers. escape models the interaction between attackers and their target containers as a " predator searching for a prey " search game. live migration of linux - containers ( prey ) is used to avoid attacks ( predator ) and failures. ... | arxiv:1611.03065 |
rise to a certain concept of duality. a topological vector space x { \ displaystyle x } that is canonically isomorphic to its bidual x ″ { \ displaystyle x ' ' } is called a reflexive space : x x ″. { \ displaystyle x \ cong x ' '. } examples : as in the finite - dimensional case, on each hilbert space h its inner prod... | https://en.wikipedia.org/wiki/Duality_(mathematics) |
we used the apex telescope to observe spectral lines occurring at about 170 ghz frequency towards 14 positions along the full extent of the filamentary seahorse infrared dark cloud. six spectral line transitions were detected ( $ \ geq3 \ sigma $ ) altogether, namely, so $ ( n _ j = 4 _ 4 - 3 _ 3 ) $, h $ ^ { 13 } $ cn... | arxiv:2005.08250 |
we prove new bounds for ramsey numbers for book graphs $ b _ n $. in particular, we show that $ r ( b _ { n - 1 }, b _ n ) = 4n - 1 $ for an infinite family of $ n $ using a block - circulant construction similar to paley graphs. we obtain improved bounds for several other values of $ r ( b _ r, b _ s ) $ using differe... | arxiv:2410.03625 |
we present measurements of thermalized collisional rate coefficients for ultra - cold $ ^ 7 $ li and $ ^ { 87 } $ rb colliding with room - temperature he, ne, n $ _ 2 $, ar, kr, and xe. in our experiments, a combined flowmeter and dynamic expansion system, a vacuum metrology standard, is used to set a known number dens... | arxiv:2302.12143 |
in massive connectivity scenarios with short packets, of interest is the regime where users share wireless resources in a non - orthogonal fashion. small payloads combined with sporadic user activation call for approaches that jointly address the users access to the shared resources and the design of the channel code. ... | arxiv:2007.11467 |
the van der waal ' s equation of state for a ( slightly ) non - ideal classical gas is usually derived in the context of classical statistical mechanics by using the canonical ensemble. we use the hard sphere potential with no short range interaction and derive van der waal ' s equation of state in microcanonical ensem... | arxiv:1802.01963 |
a double ore extension was introduced by james zhang and jun zhang [ 26 ] to study a class of artin - schelter regular algebras. here we give a definition of poisson double extension which may be considered as an analogue of double ore extension and show that algebras in a class of double ore extensions are deformation... | arxiv:1606.02410 |
we set up a general framework for calder \ ' on projectors ( and their generalization to non - compact manifolds ), associated with complex laplacians e. g. obtained by wick rotation of a lorentzian metric. in the analytic case, we use this to show that the laplacian ' s green ' s functions have analytic continuations ... | arxiv:1808.03859 |
the superradiant instabilities of kerr - newman black holes with charged or uncharged massive spin - 0 fields are calculated analytically to the next - to - leading order in the limit of $ \ alpha \ sim r _ g \ mu \ ll 1 $. a missing factor of $ 1 / 2 $ in the previous leading - order result is identified. the next - t... | arxiv:2301.05317 |
we discuss several proposals for astrophysical and cosmological tests of quantum theory. the tests are motivated by deterministic hidden - variables theories, and in particular by the view that quantum physics is merely an effective theory of an equilibrium state. the proposed tests involve searching for nonequilibrium... | arxiv:hep-th/0610032 |
recent numerical and analytical work has shown that for the square - lattice heisenberg model the boundary can induce dimer correlations near the edge which are absent in spin - wave theories and non - linear sigma model approaches. here, we calculate the nearest - neighbor spin correlations parallel and perpendicular ... | arxiv:0901.0894 |
polymer translocation through a nanopore in a membrane investigated theoretically. recent experiments on voltage - driven dna and rna translocations through a nanopore indicate that the size and geometry of the pore are important factors in polymer dynamics. a theoretical approach is presented which explicitly takes in... | arxiv:cond-mat/0209116 |
machine learning, satellites or local sensors are key factors for a sustainable and resource - saving optimisation of agriculture and proved its values for the management of agricultural land. up to now, the main focus was on the enlargement of data which were evaluated by means of supervised learning methods. neverthe... | arxiv:2204.02100 |
we present a modal analysis of instabilities of counter - rotating, self - gravitating collisionless stellar discs, using the recently introduced modified wkb formulation of spiral density waves for collisionless systems ( gulati \ & saini ). the discs are assumed to be axisymmetric and in coplanar orbits around a mass... | arxiv:1602.07169 |
just as exactly marginal operators allow to deform a conformal field theory along the space of theories known as the conformal manifold, appropriate operators on conformal defects allow for deformations of the defects. when a defect breaks a global symmetry, there is a contact term in the conservation equation with an ... | arxiv:2203.17157 |
we provide a complete local well - posedness theory in $ h ^ s $ based sobolev spaces for the free boundary incompressible euler equations with zero surface tension on a connected fluid domain. our well - posedness theory includes : ( i ) local well - posedness in the hadamard sense, i. e., local existence, uniqueness,... | arxiv:2309.05625 |
in this work, we report the results of \ emph { ab initio } calculations of thermochemical properties of several compounds in the fe - nd, b - nd and b - fe - nd systems. we have performed dft + u calculations to compute the enthalpy of formation of the compounds ndb $ _ 6 $, ndb $ _ 4 $, nd $ _ 2 $ b $ _ 5 $, nd $ _ 2... | arxiv:1811.06744 |
transients of upconverted photoluminescence ( upl ) from molecular beam epitaxy ( mbe ) grown inas quantum structures have been obtained. the results indicate the importance of spatial energy transfer cross section in the upconversion processes. the time constants determined suggest that several monolayer ( ml ) thick ... | arxiv:1112.1164 |
for an irrational number $ \ alpha \ in \ mathbb { r } $ we consider its irrationality measure function $ $ \ psi _ \ alpha ( x ) = \ min _ { 1 \ le q \ le x, \, q \ in \ mathbb { z } } \ | q \ alpha \ |. $ $ it is known for all irrational numbers $ \ alpha $ and $ \ beta $ satisfying $ \ alpha \ pm \ beta \ not \ in \... | arxiv:2305.10264 |
the isospin splitting of the nucleon mean field is derived from the brueckner theory extended to asymmetric nuclear matter. the argonne v18 has been adopted as bare interaction in combination with a microscopic three body force. the isospin splitting of the effective mass is determined from the brueckner - hartree - fo... | arxiv:nucl-th/0506003 |
we focus on a paradigmatic two - dimensional model of a nanoscale heat engine, - the so - called brownian gyrator - whose stochastic dynamics is described by a pair of coupled langevin equations with different temperature noise terms. this model is known to produce a curl - carrying non - equilibrium steady - state wit... | arxiv:1810.02580 |
we explore the deliberate infusion of ambiguity into the design of contracts. we show that when the agent is ambiguity - averse and hence chooses an action that maximizes their minimum utility, the principal can strictly gain from using an ambiguous contract, and this gain can be arbitrarily high. we characterize the s... | arxiv:2302.07621 |
over the last twenty years, there have seen several outbreaks of different coronavirus diseases across the world. these outbreaks often led to respiratory tract diseases and have proved to be fatal sometimes. currently, we are facing an elusive health crisis with the emergence of covid - 19 disease of the coronavirus f... | arxiv:2104.08997 |
the last decade has seen apparent dramatic progress in large spectroscopic datasets aimed at the study of the galactic bulge. we consider remaining problems that appear to be intractable with the existing data, including important issues such as whether the bulge and thick disk actually show distinct chemistry, and app... | arxiv:1904.04393 |
an oscillation with a period of around 500 kb in guanine and cytosine content ( gc % ) is observed in the dna sequence of human chromosome 21. this oscillation is localized in the rightmost one - eighth region of the chromosome, from 43. 5 mb to 46. 5 mb. five cycles of oscillation are observed in this region with six ... | arxiv:q-bio/0411015 |
in the last decade, autonomous navigation for roboticshas been leveraged by deep learning and other approachesbased on machine learning. these approaches have demon - strated significant advantages in robotics performance. butthey have the disadvantage that they require a lot of data toinfer knowledge. in this paper, w... | arxiv:2110.13242 |
a neighborhood - prime labeling of a graph is a variation of a prime labeling in which the vertices are assigned labels from $ 1 $ to $ | v ( g ) | $ such that the $ \ gcd $ of the labels in the neighborhood of each non - degree $ 1 $ vertex is equal to $ 1 $. in this paper, we examine neighborhood - prime labelings of... | arxiv:1801.01802 |
recent progress on the development of very low noise high purity germanium ionization spectrometers has produced an instrument of 1. 2 kg mass and excellent noise performance. the detector was installed in a low - background cryostat intended for use in a direct detection search for low mass, wimp dark matter. this tra... | arxiv:1603.01584 |
in this paper, we complete the global qualitative analysis of the well - known fitzhugh - nagumo neuronal model. in particular, studying global limit cycle bifurcations and applying the wintner - perko termination principle for multiple limit cycles, we prove that the corresponding dynamical system has at most two limi... | arxiv:1104.3019 |
we explore the applicability of the exact renormalization group to the study of tunnelling phenomena. we investigate quantum - mechanical systems whose energy eigenstates are affected significantly by tunnelling through a barrier in the potential. within the approximation of the derivative expansion, we find that the e... | arxiv:hep-th/0010180 |
over a field of characteristic p > 2, firstly, the structure of kac modules of lie superalgebra $ \ tilde { p } ( 2 ) $ and the weight space decompositions are given. secondly, the weight - derivations of $ \ tilde { p } ( 2 ) $ to its kac modules are computed. finally, the first cohomology of $ \ tilde { p } ( 2 ) $ w... | arxiv:2211.02907 |
wilf partitions are partitions of an integer $ n $ in which all nonzero multiplicities are distinct. on his webpage, the late herbert wilf posed the problem to find " any interesting theorems " about the number f ( n ) of those partitions. recently, fill, janson and ward ( and independently kane and rhoades ) determine... | arxiv:1307.6391 |
the formation of astrophysical structures, such as stars, compact objects but also galaxies, entail an, enhancement of densities by many orders of magnitude which occurs through gravitational collapse. the role played by turbulence during this process is important. turbulence generates density fluctuations, exerts a su... | arxiv:2109.01858 |
we introduce two infinite sequences of entanglement monotones, which are constructed from expectation values of polynomials in the modular hamiltonian. these monotones yield infinite sequences of inequalities that must be satisfied in majorizing state transitions. we demonstrate this for information erasure, deriving a... | arxiv:2301.01053 |
we present a finite - difference micromagnetic approach for determining the normal modes of spin - waves propagating in extended magnetic films and strips, which is based on the linearized landau - lifshitz equation and uses the dynamic matrix method. the model takes into account both short range exchange interactions ... | arxiv:1611.06153 |
how fast a state of a system converges to a stationary state is one of the fundamental questions in science. some markov chains and random walks on finite groups are known to exhibit the non - asymptotic convergence to a stationary distribution, called the cutoff phenomenon. here, we examine how quickly a random quantu... | arxiv:2305.12078 |
this paper proves that the maximum number of rational points on a smooth, absolutely irreducible genus 4 curve over the field of 8 elements is 25. the body of the paper shows that 27 points is not possible using techniques from algebraic geometry. the appendix shows that 26 points is not possible by examining the zeta ... | arxiv:math/0201226 |
two years of kepler data of kic 8054146 ( delta sct / gamma dor hybrid ) revealed 349 statistically significant frequencies between 0. 54 and 191. 36 c / d ( 6. 3 microhz to 2. 21 mhz ). the 117 low frequencies cluster in specific frequency bands, but do not show the equidistant period spacings predicted for gravity mo... | arxiv:1209.4836 |
updfevolv2 is a software package designed for evolving collinear and transverse momentum dependent ( tmd ) parton densities using the dglap evolution equation. a comprehensive description of both the theoretical framework and technical implementation is given, accompanied by a detailed guide on program usage, focusing ... | arxiv:2405.20185 |
safety is a critical property for control systems in medicine, transportation, manufacturing, and other applications, and can be defined as ensuring positive invariance of a predefined safe set. this paper investigates the problems of verifying positive invariance of a semi - algebraic set as well as synthesizing sets ... | arxiv:2209.00081 |
we show how observations of the perturbation spectra produced during inflation may be used to constrain the parameters of general scalar - tensor theories of gravity, which include both an inflaton and dilaton field. an interesting feature of these models is the possibility that the curvature perturbations on super - h... | arxiv:gr-qc/9506050 |
the exponential rise in mobile traffic originating from mobile devices highlights the need for making mobility management in future networks even more efficient and seamless than ever before. ultra - dense cellular network vision consisting of cells of varying sizes with conventional and mmwave bands is being perceived... | arxiv:2009.13922 |
in our opinion the exuberance surrounding the relative success of data - driven large language models ( llms ) is slightly misguided and for several reasons ( i ) llms cannot be relied upon for factual information since for llms all ingested text ( factual or non - factual ) was created equal ; ( ii ) due to their subs... | arxiv:2309.05918 |
slow magnetic relaxation and two level fluctuations measurements under high current injection is performed in single - contacted ferromagnetic nanostructures. the magnetic configurations of the samples are described by two metastable states of the uniform magnetization. the current - dependent effective energy barrier ... | arxiv:cond-mat/0306103 |
the ultra - strong light - matter coupling regime has been demonstrated in a novel three - dimensional inductor - capacitor ( lc ) circuit resonator, embedding a semiconductor two - dimensional electron gas in the capacitive part. the fundamental resonance of the lc circuit interacts with the intersubband plasmon excit... | arxiv:1904.06670 |
we synthesize and sharpen various observations about sub - ads holography in the literature to associate a central charge to sub - ads scales of ads x $ x $ geometries. a key ingredient in our proposal is the idea that the ads length is the length of the long string in a stack of $ n $ $ backreacted $ d - branes. this ... | arxiv:2412.15201 |
we present a numerical study of mixed boson - fermion systems at zero temperature in isotropic and anisotropic harmonic traps. we investigate the phenomenon of component separation as function of the strength of the inter - particle interaction. while solving a gross - pitaevskii mean field equation for the boson distr... | arxiv:cond-mat/9901160 |
v2 : a few typos corrected, a few formulations improved. on $ x $ projective smooth over an algebraically closed field of characteristic $ p > 0 $, we show that irreducible stratified bundles have rank 1 if and only if the commutator $ [ \ pi _ 1 ^ { { \ rm \ acute { e } t } }, \ pi _ 1 ^ { { \ rm \ acute { e } t } } ]... | arxiv:1012.5381 |
in this paper novel classes of 2 - d vector - valued spatial domain wavelets are defined, and their properties given. the wavelets are 2 - d generalizations of 1 - d analytic wavelets, developed from the generalized cauchy - riemann equations and represented as quaternionic functions. higher dimensionality complicates ... | arxiv:math/0605623 |
let s be a connected orientable surface with finitely many punctures, finitely many boundary components, and genus at least 6. then any c ^ 1 action of the mapping class group of s on the circle is trivial. the techniques used in the proof of this result permit us to show that products of kazhdan groups and certain lat... | arxiv:0803.4281 |
mean field games ( mfgs ) provide a mathematically tractable framework for modelling large - scale multi - agent systems by leveraging mean field theory to simplify interactions among agents. it enables applying inverse reinforcement learning ( irl ) to predict behaviours of large populations by recovering reward signa... | arxiv:2104.14654 |
we show that a random concave function having a periodic hessian on an equilateral lattice has a quadratic scaling limit, if the average hessian of the function satisfies certain conditions. we consider the set of all concave functions $ g $ on an equilateral lattice $ \ mathbb l $ that when shifted by an element of $ ... | arxiv:1909.08586 |
understanding object and its context are very important for robots when dealing with objects for completion of a mission. in this paper, an affordance - based ontology ( abo ) is proposed for easy robot dealing with substantive and non - substantive objects. an abo is a machine - understandable representation of object... | arxiv:1205.1190 |
control structures have critical influences on converter - interfaced distributed generations ( dg ) under unbalanced conditions. most of previous works focus on suppressing active power oscillations and ripples of dc bus voltage. in this paper, the relationship between amplitudes of the active power oscillations and t... | arxiv:1808.06602 |
magnetic doping of semiconductor nanostructures is actively pursued for applications in magnetic memory and spin - based electronics. central to these efforts is a drive to control the interaction strength between carriers ( electrons and holes ) and the embedded magnetic atoms. in this respect, colloidal nanocrystal h... | arxiv:0811.1036 |
the path probability method ( ppm ) in the tetrahedron - cactus approximation is applied to the slater - takagi model with dipole - dipole interaction for kh2po4 - type hydrogen - bonded ferroelectric crystals in order to derive a small dip structure in the real part of dynamical susceptibility observed at the transiti... | arxiv:cond-mat/0205391 |
we use the deep ground - based optical photometry of the lyman break galaxy ( lbg ) survey to derive robust measurements of the faint - end slope ( alpha ) of the uv lf at redshifts 1. 9 < z < 3. 4. our sample includes > 2000 spectroscopic redshifts and ~ 31000 lbgs in 31 spatially - independent fields over a total are... | arxiv:0810.2788 |
open quantum systems that interact with structured reservoirs exhibit non - markovian dynamics. we present a quantum jump method for treating the dynamics of such systems. this approach is a generalization of the standard monte carlo wave function ( mcwf ) method for markovian dynamics. the mcwf method identifies decay... | arxiv:0706.4438 |
uncertainty quantification, once a singular task, has evolved into a spectrum of tasks, including abstained prediction, out - of - distribution detection, and aleatoric uncertainty quantification. the latest goal is disentanglement : the construction of multiple estimators that are each tailored to one and only one sou... | arxiv:2402.19460 |
charmonium ( - like ) or bottomonium ( - like ) states, which are incompatible with predictions from a static quark anti - quark potential model, are often refered to as xyz states. in this lecture, some peculiar properties of states such as the x ( 3872 ), the y ( 4260 ), or the zc ( 3900 ) are explained. such propert... | arxiv:1311.7594 |
we define fully coupled forward - backward stochastic differential equations on spaces related to continuous time, finite state markov chains. existence and uniqueness results of the fully coupled forward - backward stochastic differential equations on markov chains are obtained. | arxiv:1504.07368 |
we introduce a novel approach to text classification by combining doc2vec embeddings with advanced clustering techniques to improve the analysis of specialized, high - dimensional textual data. we integrate unsupervised methods such as louvain, k - means, and spectral clustering with doc2vec to enhance the detection of... | arxiv:2410.11573 |
this paper explores the physical - layer security in a small cell network ( scn ) with cooperative cache - enabled small base stations ( sbss ) in the presence of randomly distributed eavesdroppers. we propose a joint design on the caching placement and the physical - layer transmission to improve the secure content de... | arxiv:1806.08027 |
we studied carefully the comment by s. g. karshenboim, v. g. ivanov and j. chluba to our paper " two - photon approximation in the theory of the electron recombination in hydrogen " and found this comment erroneous. | arxiv:1105.3094 |
spatial understanding is a critical aspect of most robotic tasks, particularly when generalization is important. despite the impressive results of deep generative models in complex manipulation tasks, the absence of a representation that encodes intricate spatial relationships between observations and actions often lim... | arxiv:2409.04576 |
the existence and properties of low mach - number ( $ m \ gtrsim 1 $ ) electrostatic collisionless shocks are investigated with a semi - analytical solution for the shock structure. we show that the properties of the shock obtained in the semi - analytical model can be well reproduced in fully kinetic eulerian vlasov -... | arxiv:1709.00356 |
a triangle center such as the incenter, barycenter, etc., is specified by a function thrice - and cyclically applied on sidelengths and / or angles. consider the 1d family of 3 - periodics in the elliptic billiard, and the loci of its triangle centers. some will sweep ellipses, and others higher - degree algebraic curv... | arxiv:2001.08041 |
in this work, we propose two novel ( groups of ) methods for unsupervised feature ranking and selection. the first group includes feature ranking scores ( genie3 score, randomforest score ) that are computed from ensembles of predictive clustering trees. the second method is urelief, the unsupervised extension of the r... | arxiv:2011.11679 |
instructors in introductory physics courses often use labs and demonstrations to reinforce that the physics equations introduced in lectures and textbooks describe what actually happens in the real world. the surface features and instructional learning goals of such labs and demonstrations may seem quite similar ( pred... | arxiv:1712.03174 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.