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single crystals of ca $ _ 3 $ ( ir $ _ { 1 - x } $ rh $ _ x $ ) $ _ 4 $ sn $ _ { 13 } $ ( 3 - 4 - 13 ) were synthesized by flux growth and characterized by x - ray diffraction, edx, magnetization, resistivity and radio frequency magnetic susceptibility tunnel diode resonator ( tdr ) techniques. compositional variation ... | arxiv:2308.08679 |
four quantum code constructions generating several new families of good nonbinary quantum nonprimitive non - narrow - sense bose - chaudhuri - hocquenghem ( bch ) codes are presented in this paper. the first two ones are based on calderbank - shor - steane ( css ) construction derived from two nonprimitive bch codes, n... | arxiv:1212.5687 |
smart speakers and robots become ever more prevalent in our daily lives. these agents are able to execute a wide range of tasks and actions and, therefore, need systems to control their execution. current state - of - the - art such as ( deep ) reinforcement learning, however, requires vast amounts of data for training... | arxiv:1909.06174 |
cell migration is frequently modelled using on - lattice agent - based models ( abms ) that employ the excluded volume interaction. however, cells are also capable of exhibiting more complex cell - cell interactions, such as adhesion, repulsion, pulling, pushing and swapping. although the first four of these have alrea... | arxiv:2109.14093 |
the contribution of this short note, contains the following two parts : in the first part, we are able to show that the federate learning ( fl ) procedure presented by kairouz et al. \ cite { kairouz1901 }, is a random processing. namely, an $ m $ - ary functionality for the fl procedure can be defined in the context o... | arxiv:2008.02609 |
##er condition. for instance, we show that there are some classes of $ ( m, \ nabla, \ langle \ ;, \ ; \ rangle ) $ such that, for any $ k \ geq1 $, $ ( t ^ km, j _ k, g _ k ) $ is balanced non - k \ " ahler and calabi - yau with torsion. by carefully studying the geometry of $ ( m, \ nabla, \ langle \ ;, \ ; \ rangle ... | arxiv:2106.12246 |
we investigate a reformulation of the dynamics of interacting fermion systems in terms of a stochastic extension of time dependent hartree - fock equations. the noise is found from a path - integral representation of the evolution operator and allows to interpret the exact n - body state as a coherent average over slat... | arxiv:nucl-th/0104085 |
end - to - end task - oriented dialog ( tod ) systems typically require extensive training datasets to perform well. in contrast, large language model ( llm ) based tod systems can excel even with limited data due to their ability to learn tasks through in - context exemplars. however, these models lack alignment with ... | arxiv:2405.15585 |
protein subcellular localization is an important factor in normal cellular processes and disease. while many protein localization resources treat it as static, protein localization is dynamic and heavily influenced by biological context. biological pathways are graphs that represent a specific biological context and ca... | arxiv:2212.05991 |
by using the existing sharp estimates of density function for rotationally invariant symmetric $ \ alpha $ - stable l \ ' { e } vy processes and rotationally invariant symmetric truncated $ \ alpha $ - stable l \ ' { e } vy processes, we obtain that harnack inequalities hold for rotationally invariant symmetric $ \ alp... | arxiv:1105.2958 |
the recent years have seen remarkable success in the use of deep neural networks on text summarization. however, there is no clear understanding of \ textit { why } they perform so well, or \ textit { how } they might be improved. in this paper, we seek to better understand how neural extractive summarization systems c... | arxiv:1907.03491 |
it is well known that point - contact andreev reflection spectroscopy provides reliable measurements of the energy gap ( s ) in a superconductor when the contact is in the ballistic or nearly - ballistic regime. however, especially when the mean free path of the material under study is small, obtaining ballistic contac... | arxiv:2303.15968 |
we use magnetization measurements under pressure along with \ textit { ab initio } and cluster many - body calculations to investigate magnetism of the kitaev candidate li $ _ 2 $ rho $ _ 3 $. hydrostatic compression leads to a decrease in the magnitude of the nearest - neighbor ferromagnetic kitaev coupling $ k _ 1 $ ... | arxiv:2409.14077 |
realizing the industrial internet of things, more andmore mobile use cases will emerge in the industrial landscape, requiring both novel concepts and smooth integration into legacydeployments. since accurate time synchronization is particularly challengingfor wireless devices, we propose a concept for simple but accura... | arxiv:2106.03732 |
we prove a categorified version of the poincar \ ' e lemma. the natural setting for our result is that of $ \ infty $ - local systems. more precisely, we show that any smooth homotopy between maps $ f $ and $ g $ induces an $ \ mathsf { a } _ \ infty $ - natural transformation between the corresponding pullback functor... | arxiv:1808.06682 |
the paper is a contribution to intuitionistic reverse mathematics. we introduce a formal system called basic intuitionistic mathematics bim, and then search for statements that are, over bim, equivalent to brouwer ' s fan theorem or to its positive denial, kleene ' s alternative to the fan theorem. the fan theorem is t... | arxiv:1106.2738 |
we apply text analysis approaches for a specialized search engine for 3d cad models and associated products. the main goals are to distinguish between actual product descriptions and other text on a website, as well as to decide whether a given text is or contains a product name. for this we use paragraph vectors for t... | arxiv:1904.12587 |
at vertex i. then we can associate to the vertex i the projective k γ - module k γei consisting of linear combinations of paths which have starting vertex i. this corresponds to the representation of γ obtained by putting a copy of k at each vertex which lies on a path starting at i and 0 on each other vertex. to each ... | https://en.wikipedia.org/wiki/Quiver_(mathematics) |
we report the growth of electrically - resistive vanadium - doped beta - ga2o3 single crystals via the optical floating zone technique. by carefully controlling the growth parameters v - doped crystals with very high electrical resistivity compared to the usual n - type v - doped beta - ga2o3 ( ne ~ 10 ^ ( 18 ) / cm ^ ... | arxiv:2203.04941 |
i suggest a left - right mirror symmetric particle model as the natural and aesthetic extension of the sm. as the left - right mirror symmetry breaking, the tiny neutrino mass is generated by the radiative mechanism, the baryon asymmetry through the leptogenesis arises from the characteristic decay of the tev - scale m... | arxiv:1910.03414 |
a common approach to distributed control design is to impose sparsity constraints on the controller structure. such constraints, however, may greatly complicate the control design procedure. this paper puts forward an alternative structure, which is not sparse yet might nevertheless be well suited for distributed contr... | arxiv:1310.1025 |
nanowires play a pivotal role across a spectrum of disciplines such as nanoelectromechanical systems, nanoelectronics, and energy applications. as nanowires continue to diminish in dimensions, their mechanical characteristics are increasingly influenced by surface attributes. this research delves into the elastic prope... | arxiv:2308.13610 |
in the elts era, where the need for versatile and innovative solutions to produce very high spatial resolution images has become a major issue, the search of synergies with other science fields seems a logic step. one of the considered alternatives to reach high - resolution images is the use of several frames of the s... | arxiv:1811.05606 |
in the recent article [ jentzen, a., m \ " uller - gronbach, t., and yaroslavtseva, l., commun. math. sci., 14 ( 6 ), 1477 - - 1500, 2016 ] it has been established that for every arbitrarily slow convergence speed and every natural number $ d \ in \ { 4, 5, \ ldots \ } $ there exist $ d $ - dimensional stochastic diffe... | arxiv:1702.03229 |
effective spectral functions of the $ \ rho $ meson are reconstructed by considering the lifetimes inside different media using the hadronic transport smash ( simulating many accelerated strongly - interacting hadrons ). due to inelastic scatterings, resonance lifetimes are dynamically shortened ( collisional broadenin... | arxiv:2206.15166 |
in this paper, we show the surprisingly good properties of plain vision transformers for body pose estimation from various aspects, namely simplicity in model structure, scalability in model size, flexibility in training paradigm, and transferability of knowledge between models, through a simple baseline model dubbed v... | arxiv:2212.04246 |
who studied in stem programs, with 21. 2 %, a number higher than the united states, but lower than france, germany, and austria. the peer country with the greatest proportion of stem graduates, finland, has over 30 % of its university graduates coming from science, mathematics, computer science, and engineering program... | https://en.wikipedia.org/wiki/Science,_technology,_engineering,_and_mathematics |
ownership verification is currently the most critical and widely adopted post - hoc method to safeguard model copyright. in general, model owners exploit it to identify whether a given suspicious third - party model is stolen from them by examining whether it has particular properties ` inherited ' from their released ... | arxiv:2405.04825 |
we apply the theory of " peculiar modules " for the floer homology of 4 - ended tangles developed by zibrowius ( specifically, the immersed curve interpretation of the tangle invariants ) to compute the knot floer homology ( $ \ widehat { hfk } $ ) of 3 - stranded pretzel knots of the form $ { p ( 2a, - 2b - 1, \ pm ( ... | arxiv:2103.04171 |
it is discussed that zeeman ' s theorem can be directly obtained from liouville ' s theorem if we assume sufficient differentiability. | arxiv:1311.1523 |
a patterned si nanobeam is formed which supports co - localized acoustic and optical resonances that are coupled via radiation pressure. starting from a bath temperature of t = 20k, the 3. 68ghz nanomechanical mode is cooled into its quantum mechanical ground state utilizing optical radiation pressure. the mechanical m... | arxiv:1106.3614 |
let $ \ phi $ be a linear map from the $ n \ times n $ matrices $ { \ mathcal m } _ n $ to the $ m \ times m $ matrices $ { \ mathcal m } _ m $. it is known that $ \ phi $ is $ 2 $ - positive if and only if for all $ k \ in { \ mathcal m } _ n $ and all strictly positive $ x \ in { \ mathcal m } _ n $, $ \ phi ( k ^ * ... | arxiv:2203.03433 |
for many nonlinear control systems, the chosen equilibrium determines both the steady - state efficiency and the dynamic performance. this paper addresses the issue of obtaining an optimal equilibrium in terms of some steady - state operation criteria for a lur ' e - type system and such an equilibrium can also guarant... | arxiv:1709.05048 |
we show that every graph with pathwidth strictly less than $ a $ that contains no path on $ 2 ^ b $ vertices as a subgraph has treedepth at most $ 10ab $. the bound is best possible up to a constant factor. | arxiv:2302.02995 |
and transported throughout the plant in the xylem. most of the elements required for plant nutrition come from the chemical breakdown of soil minerals. sucrose produced by photosynthesis is transported from the leaves to other parts of the plant in the phloem and plant hormones are transported by a variety of processes... | https://en.wikipedia.org/wiki/Botany |
multi - layer graphs can capture qualitatively different types of connection between entities, and networks of this kind are prevalent in biological and social systems : for example, a social contact network typically involves both virtual and face - to - face interactions between individuals. since each layer is likel... | arxiv:1710.08758 |
large language models ( llms ) are increasingly used in business dialogue systems but they pose security and ethical risks. multi - turn conversations, where context influences the model ' s behavior, can be exploited to produce undesired responses. in this paper, we examine the effectiveness of utilizing off - the - s... | arxiv:2409.04822 |
synthetic aperture imaging ( sai ) is able to achieve the see through effect by blurring out the off - focus foreground occlusions and reconstructing the in - focus occluded targets from multi - view images. however, very dense occlusions and extreme lighting conditions may bring significant disturbances to the sai bas... | arxiv:2103.02376 |
the interaction of two identical three - level atoms of the types $ v $, $ \ xi $ and $ \ lambda $ with a quantized cavity field as well as a driving external classical field is studied. under two certain unitary transformations, the system is converted to a typical form of the jaynes - cummings model for two three - l... | arxiv:1509.00577 |
accurate long - term trajectory prediction in complex scenes, where multiple agents ( e. g., pedestrians or vehicles ) interact with each other and the environment while attempting to accomplish diverse and often unknown goals, is a challenging stochastic forecasting problem. in this work, we propose muse, a new probab... | arxiv:2201.07189 |
we compute the generic correlator with l untwisted operators and n ( excited ) twist fields for branes at angles on t ^ 2 and show that it is given by a generalization of the wick theorem. we give also the recipe to compute efficiently the generic ope between an untwisted operator and an excited twisted state. | arxiv:1401.6797 |
we propose a method for increasing purity of interacting quantum systems that takes advantage of correlations present due to the internal interaction. in particular we show that by using the system ' s quantum correlations one can achieve cooling beyond established limits of previous conventional algorithmic cooling pr... | arxiv:1703.03816 |
as the powerhouse of our solar system, the sun ' s electromagnetic planetary influences appear contradictory. on the one hand, the sun for aeons emitted radiation which was " just right " for life to evolve in our terrestrial goldilocks zone, even for such complex organisms as ourselves. on the other, in the dawn of ea... | arxiv:2205.03498 |
= = = involved non - example = = = = measures that are not semifinite are very wild when restricted to certain sets. every measure is, in a sense, semifinite once its 0 − ∞ { \ displaystyle 0 - \ infty } part ( the wild part ) is taken away. we say the 0 − ∞ { \ displaystyle \ mathbf { 0 - \ infty } } part of μ { \ dis... | https://en.wikipedia.org/wiki/Measure_(mathematics) |
the inferred effective temperatures ( t $ _ { \ rm eff } $ ) and surface gravities of t tauri stars ( tts ) are usually contaminated by the presence of a non stellar continuum emission ( veiling ) and the strong chromospheric activity characteristic of these objects. in this work, we develop a method to determine t $ _... | arxiv:astro-ph/9502009 |
this article aims at quantifying the long time behavior of solutions of mean field pde systems arising in the theory of mean field games and mckean - vlasov control. our main contribution is to show well - posedness of the ergodic problem and the exponential turnpike property of dynamic optimizers, which implies expone... | arxiv:2409.09193 |
digitalization efforts are rapidly spreading across societies, challenging new and important ethical issues that arise from technological development. software developers, designers and managerial decision - makers are ever more expected to consider ethical values and conduct normative evaluations when building digital... | arxiv:2203.13494 |
the results of follow - up observations of the tev gamma - ray source hessj 1640 - 465 from 2004 to 2011 with the high energy stereoscopic system ( h. e. s. s. ) are reported in this work. the spectrum is well described by an exponential cut - off power law with photon index gamma = 2. 11 + / - 0. 09 _ stat + / - 0. 10... | arxiv:1401.4388 |
we introduce lagtran, a novel framework that utilizes text supervision to guide robust transfer of discriminative knowledge from labeled source to unlabeled target data with domain gaps. while unsupervised adaptation methods have been established to address this problem, they show limitations in handling challenging do... | arxiv:2403.05535 |
the jacobi matrices with bounded elements whose spectrum of multiplicity 2 is separated from its simple spectrum and contains an interval of absolutely continuous spectrum are considered. a new type of spectral data, which are analogous for scattering data, is introduced for this matrix. an integral equation that allow... | arxiv:math/0110276 |
we propose a new way of studying the higgs potential at extremely high energies. the standard model ( sm ) higgs boson, as a light spectator field during inflation in the early universe, can acquire large field values from its quantum fluctuations which vary among different causal ( hubble ) patches. such a space depen... | arxiv:2011.11649 |
a generalized dispersion equation is derived featuring coupled mode theory, parity - time symmetry, and leaky wave antennas of arbitrary periodic modulation. it can be specialized to each of these cases individually or can describe a structure containing all three electromagnetic phenomena simultaneously in a single an... | arxiv:2408.02779 |
since the emergence of research on improving the length extrapolation capabilities of large language models in 2021, some studies have made modifications to the scaling factor in the scaled dot - product attention mechanism as part of their proposed methods without rigorous theoretical justifications. to fill this gap,... | arxiv:2501.08570 |
to study composite fermions around an even denominator fraction, we adapt the phase space single - particle path integral technique for interacting electrons in zero magnetic field developed recently by d. s. golubev and a. d. zaikin, phys. rev. b { \ bf 59 }, 9195 ( 1999 ). this path integral description gives an intu... | arxiv:cond-mat/0101107 |
thermoresponsive hydrogels have been studied intensively for creating smart drug carriers and controlled drug delivery. understanding the drug release kinetics and corresponding transport mechanisms of nanoparticles ( nps ) in a thermoresponsive hydrogel network is the key to the successful design of a smart drug deliv... | arxiv:2002.01361 |
this paper addresses an interesting security problem in wireless ad hoc networks : the dynamic group key agreement key establishment. for secure group communication in an ad hoc network, a group key shared by all group members is required. this group key should be updated when there are membership changes ( when the ne... | arxiv:1007.0087 |
a universal process of a process calculus is one that, given the g \ " { o } del index of a process of a certain type, produces a process equivalent to the encoded process. this paper demonstrates how universal processes can be formally defined and how a universal process of the value - passing calculus can be construc... | arxiv:1708.06010 |
in - context learning ( icl ) is an emerging few - shot learning paradigm on language models ( lms ) with inner mechanisms un - explored. there are already existing works describing the inner processing of icl, while they struggle to capture all the inference phenomena in large language models. therefore, this paper pr... | arxiv:2410.04468 |
exponential random graph models ( ergms ) are flexible probability models allowing edge dependency. however, it is known that, to a first - order approximation, many ergms behave like erd \ " os - r \ ' enyi random graphs, where edges are independent. in this paper, to distinguish ergms from erd \ " os - r \ ' enyi ran... | arxiv:2401.01467 |
in this paper, we consider an unipolar degenerated drift - diffusion system where the relation between the concentration of the charged species $ c $ and the chemical potential $ h $ is $ h ( c ) = \ log \ frac { c } { 1 - c } $. we design four different finite volume schemes based on four different formulations of the... | arxiv:1907.11126 |
we show that the normalization of the nash blow - up of order n of the toric surface singularity an can be factorized by the minimal resolution of an. the result is obtained using the combinatorial description of these objects. | arxiv:2106.11206 |
the phonon dispersion curve of sms under pressure was studied by inelastic x - ray scattering around the pressure - induced valence transition. a significant softening of the longitudinal acoustic modes propagating along the [ 111 ] direction was observed spanning a wide $ q $ region from ( $ \ frac { 2 \ pi } { 3a }, ... | arxiv:cond-mat/0204429 |
an outstanding challenge of theoretical electronic structure is the description of van der waals ( vdw ) interactions in molecules and solids. renewed interest in resolving this is in part motivated by the technological promise of layered systems including graphite, transition metal dichalcogenides, and more recently, ... | arxiv:1508.04788 |
we consider the phenomenon of bose - einstein condensation in a random growing directed network. the network grows by the addition of vertices and edges. at each time step the network gains a vertex with probabilty $ p $ and an edge with probability $ 1 - p $. the new vertex has a fitness $ ( a, b ) $ with probability ... | arxiv:cond-mat/0306622 |
two nights of phase - resolved medium resolution vlt spectroscopy of the extra - galactic low mass x - ray binary lmc x - 2 have revealed a 0. 32 + / - 0. 02 day spectroscopic period in the radial velocity curve of the heii lambda4686 emission line that we interpret as the orbital period. however, similar to previous f... | arxiv:0707.2018 |
i study the entanglement entropy ( ee ) across a deformed sphere in conformal field theories ( cfts ). i show that the sphere ( locally ) minimizes the universal term in ee among all shapes. in arxiv : 1407. 7249 it was derived that the sphere is a local extremum, by showing that the contribution linear in the deformat... | arxiv:1411.7011 |
we study the anomalous dynamical scaling of equilibrium correlations in one dimensional systems. two different models are compared : the fermi - pasta - ulam chain with cubic and quartic nonlinearity and a gas of point particles interacting stochastically through the multiparticle collision dynamics. for both models - ... | arxiv:1509.08796 |
the pentaquark state recently discovered has been discussed based on various quark model calculations. odd parity for the state can not be ruled out theoretically because contributions related to non - trivial color structures have not been studied completely. other multiquark states, especially dibaryons, have been di... | arxiv:nucl-th/0406036 |
the structure of a bipartite interaction network can be described by providing a clustering for each of the two types of nodes. such clusterings are outputted by fitting a latent block model ( lbm ) on an observed network that comes from a sampling of species interactions in the field. however, the sampling is limited ... | arxiv:2211.16364 |
warm inflation in the non minimal derivative coupling model with a general dissipation coefficient is considered. we investigate conditions for the existence of the slow roll approximation and study cosmological perturbations. the spectral index, and the power spectrum are calculated and the temperature of the universe... | arxiv:1409.5119 |
unsteady heat transfer in a harmonic chain is analyzed. two types of thermal perturbations are considered : 1 ) initial instant temperature perturbation, 2 ) external heat supply. closed equations describing the heat propagation are obtained and their analytical solution is constructed. | arxiv:1709.07924 |
accurate information from gravitational wave signals from coalescing binary neutron stars provides essential input to downstream interpretations, including inference of the neutron star population and equation of state. however, even adopting the currently most accurate and physically motivated models available for par... | arxiv:2404.16599 |
using data from the focus experiment we analyze the $ d ^ + \ pi ^ - $ and $ d ^ 0 \ pi ^ + $ invariant mass distributions. we measure the $ d _ 2 ^ { * 0 } $ mass $ m _ { d _ 2 ^ { * 0 } } = ( 2464. 5 \ pm 1. 1 \ pm 1. 9 ) \ mev $ and width $ \ gamma _ { d _ 2 ^ { * 0 } } = ( 38. 7 \ pm 5. 3 \ pm 2. 9 ) \ mev $, and t... | arxiv:hep-ex/0312060 |
we analyze the gauge symmetry of a topological mass generating action in four dimensions which contains both a vector and a second rank antisymmetric tensor fields. in the abelian case, this system induces an effective mass for the vector gauge field via a topological coupling $ b \ wedge f $ in the presence of a kinet... | arxiv:hep-th/9709020 |
in the context of two particularly interesting non - hermitian models in quantum mechanics we explore the relationship between the original hamiltonian h and its hermitian counterpart h, obtained from h by a similarity transformation, as pointed out by mostafazadeh. in the first model, due to swanson, h turns out to be... | arxiv:quant-ph/0411171 |
we propose an unsupervised approach for training separation models from scratch using remixit and self - remixing, which are recently proposed self - supervised learning methods for refining pre - trained models. they first separate mixtures with a teacher model and create pseudo - mixtures by shuffling and remixing th... | arxiv:2309.00376 |
let $ owrn = \ left \ langle w _ x, w _ y \ right \ rangle $ be a one way road network where $ w _ x $ and $ w _ y $ are the sets of directed horizontal and vertical roads respectively. $ owrn $ can be considered as a variation of directed grid graph. the intersections of the horizontal and vertical roads are the verti... | arxiv:1606.04334 |
high - resolution patterning of periodic structures over large areas has several applications in science and technology. one such method, based on the long - known talbot effect observed with diffraction gratings, is achromatic talbot lithography ( atl ). this method offers many advantages over other techniques, such a... | arxiv:1810.05406 |
online social networks such as twitter and facebook have gained tremendous popularity for information exchange. the availability of unprecedented amounts of digital data has accelerated research on information diffusion in online social networks. however, the mechanism of information spreading in online social networks... | arxiv:1310.0505 |
we present a measurement of the branching ratios from the 6p3 / 2 state of baii into all dipoleallowed decay channels ( 6s1 / 2, 5d3 / 2 and 5d5 / 2 ). measurements were performed on single 138ba + ions in a linear paul trap with a frequency - doubled mode - locked ti : sapphire laser resonant with the 6s1 / 2 - > 6p3 ... | arxiv:0804.4173 |
we present results on 12 x - ray bright clusters observed at 1. 4 ghz with the green bank telescope. after subtraction of point sources, we reach a median ( best ) 1 - sigma noise level of 0. 01 ( 0. 006 ) microjy / sq. arcsec, and find a significant excess of diffuse, low surface brightness emission in 11 of 12 cluste... | arxiv:1311.3313 |
in the bulk reconstruction program, one constructs boundary representations of bulk fields. we investigate the relation between the global / poincare and ads - rindler representations for ads $ _ 2 $. we obtain the ads - rindler smearing function for massive and massless fields and show that the global and ads - rindle... | arxiv:2106.07304 |
finetuned large language models ( llms ) have shown remarkable performance in financial tasks, such as sentiment analysis and information retrieval. due to privacy concerns, finetuning and deploying financial llms ( finllms ) locally are crucial for institutions. however, finetuning finllms poses challenges including g... | arxiv:2412.11378 |
rydberg - aided atomic electrometry using alkali - metal atoms is gaining increased research interest for detecting external electric fields. however, the inability of rydberg probes to detect phase is a serious impediment to their realistic deployment. in this paper, we derive a novel phase retrieval algorithm for use... | arxiv:2302.02400 |
we study mixed anomaly between $ g _ 1 $ and $ g _ 2 $ of one - form finite symmetry $ g _ 1 \ times g _ 2 $ in $ 3d $ chern - simons theories. we assign a quantum entanglement structure to two linked $ g $ - symmetry lines ( wilson loops ) and compute the entanglement entropy $ s [ g ] $. we find a measure of the mixe... | arxiv:1904.06924 |
in this paper we derive a generic expression, which is valid for scales larger than hubble radius and contains only the local terms, for the second order curvature perturbations for more than one field, provided the expansion is sourced by the energy density of a single field. as an application, motivated by our previo... | arxiv:astro-ph/0512368 |
in this paper, we proved that, for a semi - stable fibration of a proper smooth surface to a proper smooth curve over a filed of positive characteristic, if the p - rank of the generic fiber is 0, then the base change of the fibration by a sufficiently many iterative frobenius morphism of the base curve violates the se... | arxiv:0805.3997 |
we present near - ir sinfoni observations of three galactic hii regions : rvw79, rcw82 and rcw120. we identify the ionizing stars of each region : they are early to late o stars, close to the main sequence. we derive their stellar and wind properties using atmosphere models computed with the code cmfgen. the cluster io... | arxiv:0911.2637 |
neural implicit fields have recently emerged as a useful representation for 3d shapes. these fields are commonly represented as neural networks which map latent descriptors and 3d coordinates to implicit function values. the latent descriptor of a neural field acts as a deformation handle for the 3d shape it represents... | arxiv:2202.08345 |
as cyber threats endanger everyone, from regular users to computing professionals, spreading cybersecurity awareness becomes increasingly critical. therefore, our university designed an innovative cybersecurity awareness course that is freely available online for students, employees, and the general public. the course ... | arxiv:2307.07608 |
lofar offers the unique capability of observing pulsars across the 10 - 240 mhz frequency range with a fractional bandwidth of roughly 50 %. this spectral range is well - suited for studying the frequency evolution of pulse profile morphology caused by both intrinsic and extrinsic effects : such as changing emission al... | arxiv:1509.06396 |
we study the refractive - index sensing properties of plasmonic nanotubes with a dielectric core and ultra - thin metal shell. the few - nm thin metal shell is described by both the usual drude model and the nonlocal hydrodynamic model to investigate the effects of nonlocality. we derive an analytical expression for th... | arxiv:1203.0575 |
socio - economic constructs and urban topology are crucial drivers of human mobility patterns. during the coronavirus disease 2019 pandemic, these patterns were reshaped in their components : the spatial dimension represented by the daily travelled distance, and the temporal dimension expressed as the synchronization t... | arxiv:2201.06527 |
we analyze the driven - dissipative dynamics of subwavelength periodic atomic arrays in free space, where atoms interact via light - induced dipole - dipole interactions. we find that depending on the system parameters, the underlying mean - field model allows four different types of dynamics at late times : a single m... | arxiv:2406.19168 |
we report observation of a large - amplitude filament oscillation followed by an eruption. this is used to probe the pre - eruption condition and the trigger mechanism of solar eruptions. we used the euv images from the extreme - ultraviolet imaging telescope on board soho satellite and the h - alpha images from the fl... | arxiv:astro-ph/0602432 |
phoswich detectors ( rt - 2 / s & rt - 2 / g ) are major scientific payloads of the rt - 2 experiment onboard the coronas - photon mission, which was launched into a polar low earth orbit of around 550 km on 2009 january 30. these rt - 2 instruments are designed and developed to observe solar flares in hard x - rays an... | arxiv:1011.3326 |
we use the properties of the matuszewska indices to show asymptotic inequalities for hazard rates. we discuss the relation between membership in the classes of dominatedly or extended rapidly varying tail distributions and corresponding hazard rate conditions. convolution closure is established for the class of distrib... | arxiv:1102.1554 |
we propose unified distributed environment ( ude ), an environment virtualization toolkit for reinforcement learning research. ude is designed to integrate environments built on any simulation platform such as gazebo, unity, unreal, and openai gym. through environment virtualization, ude enables offloading the environm... | arxiv:2205.06946 |
we illustrate how the group of symmetry transformations, which preserve the form of the n - - dimensional flat friedmann - - robertson - - walker cosmologies satisfying einstein equations, acts in any dimension. this group relates the energy density and the isotropic pressure of the cosmic fluid to the expansion rate. ... | arxiv:gr-qc/0506090 |
we prove that a compact log symplectic manifold has a class in the second cohomology group whose powers, except maybe for the top, are nontrivial. this result gives cohomological obstructions for the existence of b - log symplectic structures similar to those in symplectic geometry. | arxiv:1303.6246 |
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