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the non - divergent diagrams describing two - gluon exchange and annihilation between quarks and antiquarks are calculated in the feynman gauge, based on quantum chromodynamics in a spherical cavity. using the experimental $ n $, $ \ delta $, $ \ omega $, and $ \ rho $ masses to fit the free parameters of the m. i. t. ... | arxiv:hep-ph/9907263 |
wave mechanics of a particle in an impenetrable spherical cavity with and without a hard core scattering potential of size $ \ epsilon $ ( $ \ epsilon $ $ \ to $ 0 ) at its center is critically analyzed. it makes marginal but important modifications in our present understanding of the energy eigenvalues of such particl... | arxiv:1002.4308 |
in this paper, we first provide an explicit procedure to glue together hereditary exact model structures for the recollement of exact categories. to that end, we use the notion of cotorsion pairs and we investigate the gluing of complete hereditary cotorsion pairs along the recollement of exact categories. moreover, we... | arxiv:2012.06067 |
a new formula for elastic bending modulus of monolayer graphene is derived analytically from an empirical potential for solid - state carbon - carbon bonds. two physical origins are identified for the non - vanishing bending modulus of the atomically thin graphene sheet, one due to the bond angle effect and the other r... | arxiv:0901.4370 |
this paper investigates the influence of earth ' s dipole tilt angle on the reverse convection cells ( sometimes referred to as lobe cells ) in the northern hemisphere ionosphere during northward imf, which we relate to high - latitude reconnection. super dual auroral radar network plasma drift observations in 2010 - 2... | arxiv:2009.06947 |
we analyse the transport of cosmic rays ( cr ) in magnetic fields that are structured on scales greater than the cr larmor radius. we solve the vlasov - fokker - planck ( vfp ) equation for various mixes of mirroring and small - angle scattering and show that relatively small deviations from a uniform magnetic field ca... | arxiv:2504.06140 |
the aim of this paper is to introduce the notion of $ a $ - locally closed set by utilizing $ a $ - open sets defined by ekici and to study some properties of this new notion. also, some characterizations and many fundamental results regarding this new concept are obtained. moreover, the relationships between the conce... | arxiv:2408.03169 |
charged carriers in solids diffuse from hot to cold sides under temperature gradient to induce the thermoelectric voltage. carrier filtering effect, which only passes either electrons or holes for the conduction process, is an efficient method to enhance such voltage, although it is challenging to experimentally realiz... | arxiv:2309.05313 |
in this article, we study the brezis - nirenberg type problem of nonlinear choquard equation involving a fractional laplacian \ [ ( - \ de ) ^ s u = \ left ( \ int _ { \ om } \ frac { | u | ^ { 2 ^ * _ { \ mu, s } } } { | x - y | ^ { \ mu } } \ mathrm { d } y \ right ) | u | ^ { 2 ^ * _ { \ mu, s } - 2 } u + \ la u \ ;... | arxiv:1605.06805 |
we determine the effective conductivity of a two - dimensional composite consisting of a doubly periodic array of identical circular cylinders within a homogeneous matrix. we obtain an exact analytic expression for the effective conductivity tensor as well as its expansion in terms of volume fraction of the cylinders. ... | arxiv:1201.1419 |
we report in - plane cu ( 63 ) nuclear magnetic resonance measurements for a series of fully enriched ca ( 0. 1 ) la ( 0. 9 ) ba ( 1. 65 ) la ( 0. 35 ) cu ( 3 ) o ( y ) powder samples, which belong to the ybco family, but the doping could vary from very underdoped to extremely overdoped. from these measurements we dete... | arxiv:cond-mat/0606475 |
deep learning - based recommender systems have become an integral part of several online platforms. however, their black - box nature emphasizes the need for explainable artificial intelligence ( xai ) approaches to provide human - understandable reasons why a specific item gets recommended to a given user. one such me... | arxiv:2305.00574 |
in this paper we propose a method of solving a nonlinear diophantine equation by converting it into a system of diophantine linear equations. | arxiv:0910.2246 |
we prove that for any constant $ k \ geq1 $, the value functions for time homogeneous stochastic differential games in the whole space can be approximated up to a constant over $ k $ by value functions whose second - order derivatives are bounded by a constant times $ k $. on the way of proving this result we prove tha... | arxiv:1207.3758 |
we present a 2d lattice model of self - propelled spins that can only change direction upon collision with another spin. we show that even with ballistic motion and minimal cooperativity, these spins display robust flocking behavior at nearly all densities, forming long bands of stripes. the structural transition in th... | arxiv:1309.1408 |
a full nexus between newtonian and relativistic mechanics is set. contrarily to what is commonly thought, newtonian mechanics can be amended to suit all speeds up to c. it is demonstrated that when introducing the fact that the pulse of oscillators, i. e. emitters and clocks, is sensitive to speed, the newtonian framew... | arxiv:0806.0171 |
in this paper, mathematical models for cuff - tissue - artery system are developed and simplified into an axisymmetric problem in space. it is nonlinear properties of cuff and artery wall that make it difficult to solve elastic equations directly with the finite element method, hence a new iteration algorithm derived f... | arxiv:2007.06322 |
observations of structure in circumstellar debris discs provide circumstantial evidence for the presence of massive planets at large ( several tens of au ) orbital radii, where the timescale for planet formation via core accretion is prohibitively long. here, we investigate whether a population of distant planets can b... | arxiv:astro-ph/0310161 |
in the last years there has been a growing interest in the applications of diffusion tractography for target identification in neurofunctional disorders for an increasingly tailored approach. the growing diffusion of well - established neurosurgical procedures as deep brain stimulation ( dbs ) and trans - cranial magne... | arxiv:2312.15462 |
the neutron star maximum mass and the radius are investigated within the framework of the relativistic mean - field ( rmf ) model. the variation in the radius at the canonical mass, $ r _ { 1. 4 } $, using different inner crust equation of state ( eos ) with different symmetry energy slope parameter is studied. it is f... | arxiv:2009.12613 |
motivated by experiments on atomically smooth layers of latio $ _ 3 $, a mott insulator, sandwiched between layers of srtio $ _ 3 $, a band insulator, a simple model for such heterostructures is studied using quasi one - dimensional lattices and the lanczos method. taking both the local and long - range coulomb interac... | arxiv:cond-mat/0606621 |
in earlier papers ( roshi & anantharamaiah 2000, 2001a ), we presented extensive surveys ( angular resolution - - 2 \ deg $ \ times $ 2 \ deg & 2 \ deg $ \ times $ 6 \ arcmin ) of radio recombination lines ( rrls ) near 327 mhz in the longitude range $ l = $ 332 \ deg $ \ to $ 89 \ deg using the ooty radio telescope. t... | arxiv:astro-ph/0206279 |
direct near field electrospinning is used to produce very long helical polystyrene microfibers in water. the pitch length of helices can be controlled by changing the applied voltage, allowing to produce both micro springs and microchannels. using a novel high frequency variable voltage electrospinning method we found ... | arxiv:1109.2432 |
we study the mean value of sixth power of some exponential sums following an idea due to bombieri and iwaniec. the result applies to weyl ' s inequality, following an idea due to heath - brown | arxiv:2307.03554 |
we present light curves and spectra of the tidal disruption event ( tde ) asassn - 18pg / at 2018dyb spanning a period of one year. the event shows a plethora of strong emission lines, including the balmer series, he ii, he i and metal lines of o iii $ \ lambda $ 3760 and n iii $ \ lambda \ lambda $ 4100, 4640 ( blende... | arxiv:1903.03120 |
for a flat $ \ lambda $ cdm ( standard ) cosmology, a small sample of gravitationally lensed quasars with measured time delays has recently provided a value of the hubble constant $ h _ 0 $ in tension with the $ planck $ flat $ \ lambda $ cdm result. trying to check if this tension is real or not, we used basic observa... | arxiv:2201.01271 |
this paper deals with the numerical modeling of flow around and through a porous obstacle by a reduced order model ( rom ) obtained by galerkin projection of the navier - stokes equations onto a proper orthogonal decomposition ( pod ) reduced basis. in the few existing works dealing with model reduction techniques appl... | arxiv:2307.11419 |
we study the feshbach resonance assisted stimulated adiabatic passage of an effective coupling field for creating stable molecules from atomic bose condensate. by exploring the properties of the coherent population trapping state, we show that, contrary to the previous belief, mean - field shifts need not to limit the ... | arxiv:cond-mat/0411281 |
the radius $ r _ { 1. 4 } $ of neutron stars ( nss ) with a mass of 1. 4 m $ _ { \ odot } $ has been extracted consistently in many recent studies in the literature. using representative $ r _ { 1. 4 } $ data, we infer high - density nuclear symmetry energy $ e _ { \ rm { sym } } ( \ rho ) $ and the associated nucleon ... | arxiv:1907.10741 |
we establish the phase diagram of the one - dimensional anisotropic kondo lattice model at t = 0 using a generalized two - dimensional classical coulomb gas description. we analyze the problem by means of a renormalization group ( rg ) treatment. we find that the phase diagram contains regions of paramagnetism, partial... | arxiv:cond-mat/0105444 |
very small mean curvature is a robust prediction of inflation worth rigorous checking. since current constraints are derived from determinations of the angular - diameter distance to the cmb last - scattering surface, which is also affected by dark energy, they are limited by our understanding of the dark energy. measu... | arxiv:astro-ph/0503405 |
the 12c + 12c sub - barrier fusion cross section is calculated within the framework of a time dependent hartree - fock ( tdhf ) based classical model using the feynman path integral method. the modified astrophysical s * - factor is compared to direct and indirect experimental results. a good agreement with the direct ... | arxiv:2011.05130 |
we investigate the quantum speed limit ( qsl ) during the time evolution of neutrino - antineutrino system under the influence of the gravitational field of a spinning primordial black hole ( pbh ). we derive an analytical expression for the four - vector gravitational potential in the underlying hermitian dirac hamilt... | arxiv:2411.18604 |
a map graph is a graph admitting a representation in which vertices are nations on a spherical map and edges are shared curve segments or points between nations. we present an explicit fixed - parameter tractable algorithm for recognizing map graphs parameterized by treewidth. the algorithm has time complexity that is ... | arxiv:2206.14898 |
recently, a fully covariant version of the theory of $ f ( t ) $ torsion gravity has been introduced ( arxiv : 1510. 08432v2 [ gr - qc ] ). in covariant $ f ( t ) $ gravity the schwarzschild solution is not a vacuum solution for $ f ( t ) \ neq t $ and therefore determining the spherically symmetric vacuum is an import... | arxiv:1609.07465 |
digital twins ( dts ) constitute a critical link between the real - world and the metaverse. to guarantee a robust connection between these two worlds, dts should maintain accurate representations of the physical applications, while preserving synchronization between real and digital entities. in this paper, a novel ed... | arxiv:2204.04795 |
we investigate theoretically the slow group velocity of a pulse probe laser propagating through a cold sample and interacting with atoms in a three - level $ \ lambda $ configuration having losses towards external states. the eit phenomenon produces very small group velocities for the probe pulse in presence of a stron... | arxiv:quant-ph/0102045 |
we study spin - hall effects in time - reversal symmetry ( trs ) broken systems such as triplet chiral superconductors and trs preserved ones such as graphene. for chiral triplet superconductors, we show that the edge states carry a quantized spin - hall current in response to an applied zeeman magnetic field $ b $ alo... | arxiv:cond-mat/0604217 |
several dimerization products of fullerene c60 are presented and thoroughly characterized with a quantum chemical dft model augmented by dispersion. we reanalyze and expand significantly the number of known dimers from 12 to 41. many of the novel bonding schemes were found by analyzing more than 2 nanoseconds of high e... | arxiv:2302.06901 |
photoproduction in ultra - peripheral relativistic heavy - ion collisions displays many unique features, often involving quantum mechanical coherence and two - source interference between photon emission from the two ions. we review the recent experimental results from rhic and the lhc and theoretical studies of cohere... | arxiv:2504.18342 |
environmental management and restoration should be designed such that the risk and uncertainty owing to nonlinear stochastic systems can be successfully addressed. we apply the robustified dynamic orlicz risk to the modeling and analysis of environmental management and restoration to consider both the risk and uncertai... | arxiv:2306.01998 |
n ( 1 ), x _ n ( 2 ) ) } ( \ tau < \ infty ) $ approximates $ p _ { x _ n } ( \ tau _ n < \ tau _ 0 ) $ with exponentially vanishing relative error. let $ r = ( \ lambda _ 1 + \ lambda _ 2 ) / ( \ mu _ 1 + \ mu _ 2 ) $ ; for $ r ^ 2 < \ rho _ 2 $ and $ \ rho _ 1 \ neq \ rho _ 2 $, we construct a class of harmonic funct... | arxiv:1806.00686 |
in this paper, we study the task of improving the cohesion and coherence of long - form text generated by language models. to this end, we propose rstgen, a framework that utilises rhetorical structure theory ( rst ), a classical language theory, to control the discourse structure, semantics and topics of generated tex... | arxiv:2205.12590 |
the application of artificial intelligence has become a powerful approach to detecting software vulnerabilities. however, effective vulnerability detection relies on accurately capturing the semantic structure of code and its contextual relationships. given that the same functionality can be implemented in various form... | arxiv:2505.05600 |
the metric of a nonrotating black hole deformed by a tidal interaction is calculated and expressed as an expansion in the strength of the tidal coupling. the expansion parameter is the inverse length scale r ^ { - 1 }, where r is the radius of curvature of the external spacetime in which the black hole moves. the expan... | arxiv:0910.4311 |
a pronounced spike at low energy in the strength function for magnetic radiation ( lemar ) is found by means of shell model calculations, which explains the experimentally observed enhancement of the dipole strength. lemar originates from statistical low - energy m1 - transitions between many excited complex states. re... | arxiv:1407.1721 |
the first optical spectrum of an isolated polycyclic aromatic hydrocarbon large enough to survive the photophysical conditions of the interstellar medium is reported. vibronic bands of the first electronic transition of the all benzenoid polycyclic aromatic hydrocarbon hexa - peri - hexabenzocoronene were observed in t... | arxiv:0806.1888 |
obvious view of distribution function of markovian random evolution is found in terms of bessel functions of n + 1 - th order. | arxiv:0911.0165 |
we study three representations of hierarchies of partitions : dendrograms ( direct representations ), saliency maps, and minimum spanning trees. we provide a new bijection between saliency maps and hierarchies based on quasi - flat zones as used in image processing and characterize saliency maps and minimum spanning tr... | arxiv:1505.07203 |
the superfluid to one - dimensional mott - insulator transition of a 87rb bose - einstein condensate is demonstrated. in the experiment, we apply a one - dimensional optical lattice, formed by two laser beams with a wavelength of 852 nm, to a three dimensional bec in a shallow trap. we use kapitza - dirac scattering to... | arxiv:0805.0247 |
data over non - euclidean manifolds, often discretized as surface meshes, naturally arise in computer graphics and biological and physical systems. in particular, solutions to partial differential equations ( pdes ) over manifolds depend critically on the underlying geometry. while graph neural networks have been succe... | arxiv:2310.19589 |
we present a catalogue of 12. 2 - ghz methanol masers detected towards 6. 7 - ghz methanol masers observed in the unbiased methanol multibeam ( mmb ) survey in the longitude range 330 \ circ ( through 360 \ circ ) to 10 \ circ. this is the first portion of the catalogue which, when complete, will encompass all of the m... | arxiv:1201.1330 |
we propose a conceptual distinction between hard and soft realizations of deconfinement from nuclear to quark matter. in the high density region of hard deconfinement the repulsive hard cores of baryons overlap each other and bulk thermodynamics is dominated by the core properties that can be experimentally accessed in... | arxiv:2008.08436 |
experimentally the charmonium hyperfine splitting is $ m _ { j / \ psi } - m _ { \ eta _ c } = 117 $ mev and current lattice results are generally below this value. the difference could be due to the effects of the disconnected flavor singlet diagrams which have not been included in these calculations. previous attempt... | arxiv:0710.1322 |
we consider the multi - unit random assignment problem in which agents express preferences over objects and objects are allocated to agents randomly based on the preferences. the most well - established preference relation to compare random allocations of objects is stochastic dominance ( sd ) which also leads to corre... | arxiv:1401.7700 |
we study a dynamic traffic assignment model, where agents base their instantaneous routing decisions on real - time delay predictions. we formulate a mathematically concise model and define dynamic prediction equilibrium ( dpe ) in which no agent can at any point during their journey improve their predicted travel time... | arxiv:2109.06713 |
we describe a systematic framework for computing the conservative potential of a compact binary system using modern tools from scattering amplitudes and effective field theory. our approach combines methods for integration and matching adapted from effective field theory, generalized unitarity, and the double - copy co... | arxiv:1908.01493 |
using mainly the 1600 angstrom continuum channel, and also the 1216 angstrom lyman - alpha channel ( which includes some uv continuum and c iv emission ), aboard the trace satellite, we observed the complete lifetime of a transient, bright chromospheric loop. simultaneous observations with the sumer instrument aboard t... | arxiv:1010.4814 |
it is shown for a class of random, time - independent, square - integrable, three - dimensional magnetic fields that the one - loop effective fermion action of four - dimensional qed increases faster than a quadratic in b in the strong coupling limit. the limit is universal. the result relies on the paramagnetism of ch... | arxiv:1108.4345 |
microblogs have become a social platform for people to express their emotions in real - time, and it is a trend to analyze user emotional tendencies from the information on microblogs. the dynamic features of emojis can affect the sentiment polarity of microblog texts. since existing models seldom consider the diversit... | arxiv:2206.12262 |
suitable langevin thermostats are introduced which are able to control both the temperature and the chemical potential of a one - dimensional lattice of nonlinear schr \ " odinger oscillators. the resulting non - equilibrium stationary states are then investigated in two limit cases ( low temperatures and large particl... | arxiv:1304.5071 |
a new, radical cnn design approach is presented in this paper, considering the reduction of the total computational load during inference. this is achieved by a new holistic intervention on both the cnn architecture and the training procedure, which targets to the parsimonious inference by learning to exploit or remove... | arxiv:1701.05221 |
we present experimental and theoretical evidence that an interesting quantum many - body effect - - quasi - particle breakdown - - occurs in the quasi - one - dimensional spin - 1 / 2 ising - like ferromagnet conb $ _ 2 $ o $ _ 6 $ in its paramagnetic phase at high transverse field as a result of explicit breaking of s... | arxiv:1407.2794 |
we obtain an analytical expression for the hall conductivity in aaa - stacked trilayer graphene ( tlg ) within the linear response kubo formalism. interestingly, we find that the quantization of the hall conductivity is severely dependent on the value of the chemical potential and the magnetic field. the origin of this... | arxiv:1912.00823 |
in this work, we extend the recent study of entropy dynamics induced by an external impulse in open quantum systems, where the entropy response follows the page curve. for small system - bath coupling $ \ kappa $, we expect that the entropy first increases exponentially $ \ kappa ^ 2 e ^ { \ varkappa t } $ in the early... | arxiv:2305.18329 |
device - free human tracking is an essential ingredient for ubiquitous wireless sensing. recent passive wifi tracking systems face the challenges of inaccurate separation of dynamic human components and time - consuming estimation of multi - dimensional signal parameters. in this work, we present a scheme named wifi do... | arxiv:2109.06006 |
we introduce the concept of a prenormed model of a particular kind of finitary single - sorted first - order theories, interpreted over a category with finite products. these are referred to as prealgebraic theories, for the fact that their signature comprises, together with arbitrary function symbols ( of finite ariet... | arxiv:1205.2988 |
we bound the number of electromagnetic signals which may be observed over a frequency range $ 2w $ for a time $ t $ within a region of space enclosed by a radius $ r $. our result implies that broadband fields in space cannot be arbitrarily complex : there is a finite amount of information which may be extracted from a... | arxiv:cs/0701055 |
with the incorporation of high - j molecular lines, we aim to constrain the physical conditions of the dense gas in the central region of the seyfert 2 galaxy ngc 1068 and to determine signatures of the agn or the starburst contribution. we used the james clerk maxwell telescope to observe the j = 4 - 3 transition of h... | arxiv:0906.5154 |
background : vaccination programs are effective only when a significant percentage of people are vaccinated. however, vaccine acceptance varies among communities around the world. social media usage is arguably one of the factors affecting public attitudes towards vaccines. objective : this study aims to identify if th... | arxiv:2201.08336 |
reconfigurable intelligent surface ( ris ) is a novel meta - material which can form a smart radio environment by dynamically altering reflection directions of the impinging electromagnetic waves. in the prior literature, the inter - ris links which also contribute to the performance of the whole system are usually neg... | arxiv:2403.07274 |
we consider $ m $ - divisible non - crossing partitions of $ \ { 1, 2, \ ldots, mn \ } $ with the property that for some $ t \ leq n $ no block contains more than one of the first $ t $ integers. we give a closed formula for the number of multi - chains of such non - crossing partitions with prescribed number of blocks... | arxiv:1910.13244 |
a new type of simplified cloaks with matched exterior boundaries is proposed. the cloak uses non - magnetic material for the tm polarization and can function with a relatively thin thickness. it is shown that the $ zero ^ { th } $ order scattering of such cloak is dominant among all cylindrical scattering terms. a gap ... | arxiv:0806.3226 |
bitei is a polar semiconductor with strong spin - orbit coupling ( soc ) that produces large rashba spin splitting. due to its potential utility in spintronics and magnetoelectrics, it is essential to understand how defects impact the spin transport in this material. using scanning tunneling microscopy and spectroscopy... | arxiv:2402.18779 |
there is a growing interest in developing data - driven reduced - order models for atmospheric and oceanic flows that are trained on data obtained either from high - resolution simulations or satellite observations. the data - driven models are non - intrusive in nature and offer significant computational savings compa... | arxiv:2205.13410 |
application of nai ( tl ) detectors in the search for galactic dark matter particles through their elastic scattering off the target nuclei is well motivated because of the long standing dama / libra highly significant positive result on annual modulation, still requiring confirmation. for such a goal, it is mandatory ... | arxiv:1703.01262 |
bike usage in smart cities becomes paramount for sustainable urban development. cycling provides tremendous opportunities for a more healthy lifestyle, lower energy consumption and carbon emissions as well as reduction of traffic jams. while the number of cyclists increase along with the expansion of bike sharing initi... | arxiv:1905.08775 |
several attempts to solve the cosmological constant problem, which concerns the value of the cosmological constant being extremely smaller than the standard model mass scales, have introduced a scalar field with a very flat potential that can be approximated as linear around any given position. the scalar field scans t... | arxiv:2404.06444 |
deepwater horizon spill, which killed a number of the company ' s workers and released large amounts of crude oil into the water. furthermore, throughout this century, much of the world has been ravaged by widespread wildfires and water scarcity, prompting regulations on the sustainable use of natural resources as dete... | https://en.wikipedia.org/wiki/Environmental_science |
in this paper, we consider the existence of static solutions to the nonlinear chern - simons - schr \ " odinger system \ begin { equation } \ label { eqabstr } \ left \ { \ begin { array } { ll } - ihd _ 0 \ psi - h ^ 2 ( d _ 1d _ 1 + d _ 2d _ 2 ) \ psi + v \ psi = | \ psi | ^ { p - 2 } \ psi, \ \ \ partial _ 0a _ 1 - ... | arxiv:2007.02499 |
we discuss marginal deformations of string vacua with massive boson - fermion degeneracy symmetry ( msds ), in connection to the cosmological evolution of the universe from an early non - geometrical era. in particular, we discuss recent results on the stringy mechanism that resolves both hagedorn divergences and the i... | arxiv:1010.5126 |
s. ramanujan introduced a technique in 1913 for providing analytic expressions for certain mellin - type integrals which is now known as ramanujan ' s master theorem. this technique was communicated through his " quarterly reports " and has a wide range of applicability in calculating the values of certain definite int... | arxiv:2105.12947 |
the nuclear spin fluctuations ( nsf ) as well as the dynamic nuclear polarization ( dnp ) and their effects on the electron spins in negatively charged ( in, ga ) as / gaas quantum dots have been studied by polarized pump - probe and photoluminescence spectroscopy techniques. the effective magnetic field of the nsf is ... | arxiv:0805.3247 |
new criterion of regularity for representation of canonical commutation relations algebra is given on the basis of concept of an analytical vector. | arxiv:1102.2417 |
the thermal conductivity of pionic medium has been evaluated with the help of its standard expression from the relaxation time approximation, where inverse of pion relaxation time or pion thermal width has been obtained from the imaginary part of pion self - energy. in the real - time formalism of thermal field theory,... | arxiv:1507.01713 |
we discuss the problem of heat conduction in quantum spin chain models. to investigate this problem it is necessary to consider the finite open system connected to heat baths. we describe two different procedures to couple the system with the reservoirs : a model of stochastic heat baths and the quantum trajectories so... | arxiv:0709.1412 |
the klm approach to defeasible reasoning introduces a weakened form of implication into classical logic. this allows one to incorporate exceptions to general rules into a logical system, and for old conclusions to be withdrawn upon learning new contradictory information. standpoint logics are a group of logics, introdu... | arxiv:2410.04245 |
prototype scintilator + wls strips with sipm readout for a muon system at future colliders were tested for light yield, time resolution and position resolution. depending on the configuration, light yield of up to 36 photoelectrons per muon per sipm has been observed, as well as time resolution of 0. 45 ns and position... | arxiv:1512.06729 |
given a graph $ g $ and two vertices $ s $ and $ t $ in it, { \ em graph reachability } is the problem of checking whether there exists a path from $ s $ to $ t $ in $ g $. we show that reachability in directed layered planar graphs can be decided in polynomial time and $ o ( n ^ \ epsilon ) $ space, for any $ \ epsilo... | arxiv:1501.05828 |
the multiplicity fluctuations in a + a collisions at sps and rhic energies are studied within the hsd transport approach. we find a dominant role of the fluctuations in the nucleon participant number for the final fluctuations. in order to extract physical fluctuations one should decrease the fluctuations in the partic... | arxiv:0912.5158 |
in the context of decision making under explorable uncertainty, scheduling with testing is a powerful technique used in the management of computer systems to improve performance via better job - dispatching decisions. upon job arrival, a scheduler may run some \ emph { testing algorithm } against the job to extract som... | arxiv:2304.00899 |
we study transport of a weakly diffusive pollutant ( a passive scalar ) by thermoconvective flow in a fluid - saturated horizontal porous layer heated from below under frozen parametric disorder. in the presence of disorder ( random frozen inhomogeneities of the heating or of macroscopic properties of the porous matrix... | arxiv:0805.1518 |
we classify galois actions on picard lattices of del pezzo surfaces of degrees 1, 2, and 3 giving rise to minimal surfaces with no cohomological obstructions to stable rationality. | arxiv:1808.09061 |
we present a systematic search for potential dark matter subhalos in our galaxy among the 630 unassociated sources included in the first fermi - lat source catalog. assuming a hypothetical dark matter particle that could generate observable gamma - ray photons beyond the fermi energy range through self - annihilation, ... | arxiv:1110.4744 |
this paper proposes a supervised training algorithm for learning stochastic resource allocation policies with generative diffusion models ( gdms ). we formulate the allocation problem as the maximization of an ergodic utility function subject to ergodic quality of service ( qos ) constraints. given samples from a stoch... | arxiv:2504.20277 |
we study heavy - flavor hadron production in high - energy pp collisions, assuming the formation of a small, deconfined and expanding fireball where charm quarks can undergo rescattering and hadronization. we adopt the same in - medium hadronization mechanism developed for heavy - ion collisions, which involves local c... | arxiv:2401.01360 |
in this paper, we consider the multichannel rendezvous problem in cognitive radio networks ( crns ) where the probability that two users hopping on the same channel have a successful rendezvous is a function of channel states. the channel states are modeled by stochastic processes with joint distributions known to user... | arxiv:1906.10424 |
we prove that the distribution of second degrees in the bollob \ ' as - - riordan random graph model obeys the power law. we consider the model with parameter m = 1 ( the number of edges equals the number of nodes ). | arxiv:1108.5585 |
to mitigate atfm delay, different approaches have been proposed so far which can be categorized into strategic and tactical domains. the strategical techniques mainly concern airport slot allocation and for the tactical domain, the atfm function has several solutions available that range from the ground and air holding... | arxiv:2002.03806 |
we report the discovery of radio afterglow emission from the gamma - ray burst grb 090423, which exploded at a redshift of 8. 3, making it the object with the highest known redshift in the universe. by combining our radio measurements with existing x - ray and infrared observations, we estimate the kinetic energy of th... | arxiv:0910.4367 |
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