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in this paper we survey the notion and basic results on multivariate hasse - - schmidt derivations over arbitrary commutative algebras and we associate to such an object a family of classical derivations. we study the behavior of these derivations under the action of substitution maps and we prove that, in characterist... | arxiv:1810.08075 |
the recent technological advances in controlling and manipulating fluids have enabled the experimental realization of acoustic analogues of gravitational black holes. a flowing fluid provides an effective curved spacetime on which sound waves can propagate, allowing the simulation of gravitational geometries and relate... | arxiv:2402.16136 |
we study the inverse problem of tuning interaction parameters between charged colloidal particles interacting with a hard - core repulsive yukawa potential, so that they assemble into specified crystal structures. here, we target the body - centered - cubic ( bcc ) structure which is only stable in a small region in th... | arxiv:1905.11061 |
in this paper, we mainly consider the speed selection problem for the classical lotka - volterra competition system. for the first time, we propose a sufficient and necessary condition for this long - standing problem from a new point of view. moreover, our results can also reveal the essence of the linearly selected p... | arxiv:2207.03371 |
in a real hilbert space $ \ mathcal { h } $. given any function $ f $ convex differentiable whose solution set $ \ argmin _ { \ mathcal { h } } \, f $ is nonempty, by considering the proximal algorithm $ x _ { k + 1 } = \ text { prox } _ { \ b _ k f } ( d x _ k ) $, where $ 0 < d < 1 $ and $ ( \ b _ k ) $ is nondecreas... | arxiv:2309.13200 |
current absolute branching fractions of $ \ lambda _ c ^ + $ and $ d _ s ^ + $ mesons are limiting the determination of important measurements. they have only been measured at $ e ^ + e ^ - $ colliders. here techniques for measuring them at hadron colliders are discussed. the precision determination of $ \ lambda _ c ^... | arxiv:1901.01593 |
we establish a general relation between the statistics of the local green ' s function for systems with chaotic wave scattering and a uniform energy loss ( absorption ) and its two - point correlation function for the same system without absorption. within the random matrix approach this kind of a fluctuation dissipati... | arxiv:cond-mat/0502359 |
the atmospheres within our solar system can be categorized into four distinct climate regimes : " terrestrial ", " jovian ", " condensable ", and " exosphere ". beyond the three terrestrial planets ( excluding mercury ) and the four giant planets, collisional atmospheres are also found on smaller celestial bodies such ... | arxiv:2410.04595 |
high energy cosmic neutrino observations provide a sensitive test of lorentz invariance violation, which may be a consequence of quantum gravity theories. we consider a class of non - renormalizable, lorentz invariance violating operators that arise in an effective field theory description of lorentz invariance violati... | arxiv:1411.5889 |
this paper builds upon j. nilsson ' s classification of rank one $ \ mathcal { u } ( \ mathfrak { h } ) $ - free modules by extending the analysis to modules without rank restrictions, focusing on the category $ \ mathfrak { a } $ of $ \ mathcal { u } ( \ mathfrak { h } ) $ - finite $ \ mathfrak { g } $ - modules. a de... | arxiv:2411.18390 |
in type iib superstring compactifications, incorporating log - loop corrections and higher - derivative $ { ( \ alpha ^ \ prime ) } ^ 3 $ - corrections can stabilize the overall volume of the compact internal space at exponentially large values. this mechanism forms the basis of the perturbative large volume scenario (... | arxiv:2505.01246 |
the construction of optimal template banks for matched - filtering searches is an example of the sphere covering problem. for parameter spaces with constant - coefficient metrics a ( near - ) optimal template bank is achieved by the a _ n * lattice, which is the best lattice - covering in dimensions n < = 5, and is clo... | arxiv:0707.0428 |
in this paper, we dive into the reliability concerns of integrated gradients ( ig ), a prevalent feature attribution method for black - box deep learning models. we particularly address two predominant challenges associated with ig : the generation of noisy feature visualizations for vision models and the vulnerability... | arxiv:2405.09800 |
tracking and identifying athletes on the pitch holds a central role in collecting essential insights from the game, such as estimating the total distance covered by players or understanding team tactics. this tracking and identification process is crucial for reconstructing the game state, defined by the athletes ' pos... | arxiv:2404.11335 |
in this paper we describe a deep learning system that has been designed and built for the wassa 2017 emotion intensity shared task. we introduce a representation learning approach based on inner attention on top of an rnn. results show that our model offers good capabilities and is able to successfully identify emotion... | arxiv:1708.05521 |
we construct smooth symplectic resolutions of the quotient of r ^ 2 under some infinite discrete sub - group of gl _ 2 ( r ) preserving a log - symplectic structure. this extends from algebraic geometry to smooth real differential geometry the du val symplectic resolution of c ^ 2 / g, with g \ subset sl _ 2 ( c ) a fi... | arxiv:2104.01348 |
context. the prototypical low - mass young stellar object, t tauri, is a well - studied multiple system with at least three components. aims. we aim to explore the t tau system with the highest spatial resolution, study the time evolution of the known components, and re - determine the orbital parameters of the stars. ... | arxiv:1505.05722 |
we theoretically propose a scheme to synthesize photonic non - abelian electric field and spin - orbit coupling ( soc ) in the synthetic frequency dimension based on a polarization - multiplexed time - modulated ring resonator. inside the ring resonator, the cascade of polarization - dependent phase modulation, polariz... | arxiv:2412.01841 |
skyrmions are localized, topologically non - trivial spin structures which have raised high hopes for future spintronic applications. a key issue is skyrmion stability with respect to annihilation into the ferromagnetic state. energy barriers for this collapse have been calculated taking only nearest neighbor exchange ... | arxiv:1705.08122 |
flexible pcb quench antennas have been very useful in providing high - quality high - resolution data in low temperature superconducting magnet tests. similar multi - sensor arrays have been employed recently to cover a high temperature superconductor magnet tested at fnal. in the present work, data taking conditions a... | arxiv:2502.03176 |
we consider generating post - hoc explanations of clusters generated from various datasets using auxiliary information which was not used by clustering algorithms. following terminology used in previous work, we refer to the auxiliary information as tags. our focus is on two forms of explanations, namely disjunctive fo... | arxiv:2504.20846 |
we report on ' slow ' pulsing dynamics in a silica resonator - based laser system : by nesting a high - q rod - resonator inside an amplifying fiber cavity, we demonstrate that trains of microsecond pulses can be generated with repetition rates in the hundreds of kilohertz. we show that such pulses are produced with a ... | arxiv:1903.09095 |
game theory on graphs is a basic tool in computer science. in this paper, we propose a new game - theoretic framework for studying the privacy protection of a user who interactively uses a software service. our framework is based on the idea that an objective of a user using software services should not be known to an ... | arxiv:2307.00334 |
the problem of how staple yarns transmit tension is addressed within abstract models in which the amontons - coulomb friction laws yield a linear programming ( lp ) problem for the tensions in the fiber elements. we find there is a percolation transition such that above the percolation threshold the transmitted tension... | arxiv:1804.07606 |
we develop a method for transmission stabilization and robust dynamic switching for colliding optical soliton sequences in broadband waveguide systems with nonlinear gain and loss. the method is based on employing hybrid waveguides, consisting of spans with linear gain and cubic loss, and spans with linear loss, cubic ... | arxiv:1405.7071 |
simulations of field theories on noisy quantum computers must contend with errors introduced by that noise. for gauge theories, a large class of errors violate gauge symmetry, and thus may result in unphysical processes occurring in the simulation. we present a method, applicable to non - abelian gauge theories, for su... | arxiv:2005.12688 |
in this brief, we consider the constrained optimization problem underpinning model predictive control ( mpc ). we show that this problem can be decomposed into an unconstrained optimization problem with the same cost function as the original problem and a constrained optimization problem with a modified cost function a... | arxiv:2005.01296 |
chandran et al. ( siam j. comput. ' 14 ) formally introduced the cryptographic task of position verification, where they also showed that it cannot be achieved by classical protocols. in this work, we initiate the study of position verification protocols with classical verifiers. we identify that proofs of quantumness ... | arxiv:2109.07517 |
we present an absolute $ ^ 3 $ he polarimetry method based on thermal neutron transmission for a double - chambered cell. this method utilizes the fact that a $ ^ 3 $ he nucleus has a large absorption cross section and a spin dependence for thermal neutrons. the cell had a pumping chamber and a target chamber. polarize... | arxiv:2209.12484 |
we have fabricated a high - quality monolayer wse2 film on bilayer graphene by epitaxial growth, and revealed the electronic states by spin - and angle - resolved photoemission spectroscopy. we observed a direct energy gap at the brillounin - zone corner in contrast to the indirect nature of gap in bulk wse2, which is ... | arxiv:1508.01249 |
the identification of an unknown quantum gate is a significant issue in quantum technology. in this paper, we propose a quantum gate identification method within the framework of quantum process tomography. in this method, a series of pure states are inputted to the gate and then a fast state tomography on the output s... | arxiv:1707.06039 |
a direct search for the standard model higgs boson, h, produced in association with a vector boson, v ( w or z ), and decaying to a charm quark pair is presented. the search uses a data set of proton - proton collisions corresponding to an integrated luminosity of 35. 9 fb $ ^ { - 1 } $, collected by the cms experiment... | arxiv:1912.01662 |
bm orionis, eclipsing binary system that located in the center of orion nebula cluster posses several enigmatic problems. its intrinsic nature and nebular environment make it harder to measure the physical parameters of the system, but it is believed as algol type binary where secondary component is pre - main sequence... | arxiv:1312.2737 |
we present a formalism for calculating the probability distribution of the most massive primordial black holes ( pbhs ) expected within an observational volume. we show how current observational upper bounds on the fraction of pbhs in dark matter translate to constraints on extreme masses of primordial black holes. we ... | arxiv:1910.12311 |
we investigate the possible effects of the supernova ejecta hitting the companion star in iptf 13bvn, focusing on the observable features when it becomes visible. iptf 13bvn is a type ib supernova that may become the first case that its progenitor is identified as a binary by near future observations. according to calc... | arxiv:1504.01845 |
we investigate the geometric picture of the level surfaces of quantum entanglement and geometric measure of quantum discord ( gmqd ) of a class of x - states, respectively. this pictorial approach provides us a direct understanding of the structure of entanglement and gmqd. the dynamic evolution of gmqd under two typic... | arxiv:1112.4318 |
variational inference with a factorized gaussian posterior estimate is a widely used approach for learning parameters and hidden variables. empirically, a regularizing effect can be observed that is poorly understood. in this work, we show how mean field inference improves generalization by limiting mutual information ... | arxiv:1902.04340 |
this report presents a framework called segment and track anything ( samtrack ) that allows users to precisely and effectively segment and track any object in a video. additionally, sam - track employs multimodal interaction methods that enable users to select multiple objects in videos for tracking, corresponding to t... | arxiv:2305.06558 |
in the chirally - invariant context of the $ u _ { em } ( 1 ) $ gauge interaction and four - fermion interactions for ordinary and mirror fermions, the schwinger - dyson equation for the fermion self - energy function is studied on a lattice. we find that a sensible infrared limit can be defined on a critical surface, ... | arxiv:hep-lat/9402015 |
3d point cloud semantic and instance segmentation is crucial and fundamental for 3d scene understanding. due to the complex structure, point sets are distributed off balance and diversely, which appears as both category imbalance and pattern imbalance. as a result, deep networks can easily forget the non - dominant cas... | arxiv:2001.01349 |
massive multiple input multiple output ( m - mimo ) technology plays a pivotal role in fifth - generation ( 5g ) and beyond communication systems, offering a wide range of benefits, from increased spectral efficiency ( se ) to enhanced energy efficiency and higher reliability. however, these advantages are contingent u... | arxiv:2404.19238 |
light propagation through an ensemble of ultra - cold rydberg atoms in electromagnetically induced transparency ( eit ) configuration is studied. in strongly interacting rydberg eit media, non - linear optical effects lead to a non - trivial dependence of the degree of probe beam attenuation on the medium density and o... | arxiv:1305.1458 |
we express one - loop string amplitudes involving both open and closed strings as sum over pure open string amplitudes. these findings generalize the analogous tree - level result to higher loops and extend the tree - level observation that in gravitational amplitudes a graviton can be traded for two gluons. our result... | arxiv:2105.06888 |
we discuss the relation between the highest energy cosmic rays ( uhecr ) and uhe neutrinos. the neutrinos produced in the sources of optically thin astrophysical sources have been linked to the uhecr emissivity of the universe. the fluxes of cosmogenic neutrinos, generated in propagation by uhecr, also reflect the acce... | arxiv:0711.1872 |
classification systems are normally trained by minimizing the cross - entropy between system outputs and reference labels, which makes the kullback - leibler divergence a natural choice for measuring how closely the system can follow the data. precision and recall provide another perspective for measuring the performan... | arxiv:2309.13938 |
a key goal in developing molecular microrobots that mimic real - world animal dynamic behavior is to understand better the self - continuous progressive motion resulting from collective molecular transformation. this study reports, for the first time, the experimental realization of directional swimming of a microcryst... | arxiv:2108.13667 |
hateful rhetoric is plaguing online discourse, fostering extreme societal movements and possibly giving rise to real - world violence. a potential solution to this growing global problem is citizen - generated counter speech where citizens actively engage in hate - filled conversations to attempt to restore civil non -... | arxiv:2006.01974 |
the recent trend in 2d multiple object tracking ( mot ) is jointly solving detection and tracking, where object detection and appearance feature ( or motion ) are learned simultaneously. despite competitive performance, in crowded scenes, joint detection and tracking usually fail to find accurate object associations du... | arxiv:2212.05861 |
fixed point iterations are known to generate chaos, for some values in their parameter range. it is an established fact that turing machines are fixed point iterations. however, as these machines operate in integer space, the standard notions of a chaotic system is not readily applicable for them. changing the state sp... | arxiv:1111.4949 |
given a biquandle $ ( x, s ) $, a function $ \ tau $ with certain compatibility and a pair of { \ em non commutative cocyles } $ f, h : x \ times x \ to g $ with values in a non necessarily commutative group $ g $, we give an invariant for singular knots / links. given $ ( x, s, \ tau ) $, we also define a universal gr... | arxiv:1910.04042 |
the importance of incorporating flavor constraints, when providing bounds on new physics is stressed. as is well known it is very difficult for models of new physics to have scales lighter than about 10 tev once flavor constraints are built in. although, in the conventional sense, this higher scale means more tuning, i... | arxiv:1511.09090 |
matrix factorization methods are extensively employed to understand complex data. in this paper, we introduce the cross - product penalized component analysis ( xcan ), a sparse matrix factorization based on the optimization of a loss function that allows a trade - off between variance maximization and structural prese... | arxiv:1907.00032 |
plasmonic nanostructures provide local field enhancement to be used as efficiency - boosting tools in fluorescence - based applications. for photostable quantum dots ( qds ) to have enhanced emission, their size and exact location in the proximity of plasmonic nanostructure become key parameters while constructing ligh... | arxiv:2504.11541 |
generative conversational interfaces powered by large language models ( llms ) typically stream output token - by - token at a rate determined by computational budget, often neglecting actual human reading speeds and the cognitive load associated with the content. this mismatch frequently leads to inefficient use of co... | arxiv:2504.17999 |
we analyze the quantum dynamics of a scalar field in a spacetime incorporating dual topological defects, specifically a cosmic string and a global monopole. utilizing a generalized metric that encapsulates the combined geometric effects of both defects, we solve the klein - - gordon equation through separation of varia... | arxiv:2504.07191 |
solving np - hard constrained combinatorial optimization problems using quantum algorithms remains a challenging yet promising avenue toward quantum advantage. variational quantum algorithms ( vqas ), such as the variational quantum eigensolver ( vqe ), typically require constrained problems to be reformulated as uncon... | arxiv:2504.12611 |
the dynamic magnetic behaviors of the spin - 1 blume - capel ising bilayer system ( bcis ) are studied in an oscillating external magnetic field on a two - layer square lattice by utilizing the mean field theory based on glauber - type stochastic dynamics ( dmft ). the dynamic equations describing the time - dependenci... | arxiv:1411.7146 |
we investigate f ( t ) cosmology in both the background, as well as in the perturbation level, and we present the general formalism for reconstructing the equivalent one - parameter family of f ( t ) models for any given dynamical dark energy scenario. despite the completely indistinguishable background behavior, the p... | arxiv:1010.2215 |
we derive a new constraint on the expansion history of the universe by applying the cosmic chronometers method, studying the age evolution of high - redshift galaxies with a full - spectral - fitting approach. we select a sample of 39 massive ( $ log ( m / m _ \ odot ) > 10. 8 $ ) and passive ( $ log ( ssfr / yr ^ { - ... | arxiv:2305.16387 |
we present time - series linear - polarization observations of the bright o4 supergiant $ \ zeta $ puppis. the star is found to show polarization variation on timescales of around an hour and longer. many of the observations were obtained contemporaneously with transiting exoplanet survey satellite ( tess ) photometry.... | arxiv:2402.13383 |
i construct a quantum field theory model with discrete scale invariance at tree level. the model has some unusual mathematical properties ( such as the appearance of $ q $ - hypergeometric series ) and may possibly have some interesting physical properties as well. in this note, i explore some possible physics that cou... | arxiv:1606.03405 |
let $ m _ { \ beta } $ denote the moduli space of stable one - dimensional sheaves on a del pezzo surface $ s $, supported on curves of class $ \ beta $ with euler characteristic one. we show that the divisibility property of the poincar \ ' e polynomial of $ m _ { \ beta } $, proposed by choi - van garrel - katz - tak... | arxiv:2501.05622 |
reversible cellular automata ( rca ) are a physics - like model of computation consisting of an array of identical cells, evolving in discrete time steps by iterating a global evolution g. further, g is required to be shift - invariant ( it acts the same everywhere ), causal ( information cannot be transmitted faster t... | arxiv:1201.5529 |
we numerically simulate, in both the forced and decay regimes, a fourth - order nonlinear diffusion equation derived from the kinetic equation of gravitational wave turbulence in the limit of strongly local quartic interactions. when a forcing is applied to an intermediate wavenumber $ k _ i $, we observe a dual cascad... | arxiv:2501.17023 |
this paper proposes a non - parallel many - to - many voice conversion ( vc ) method using a variant of the conditional variational autoencoder ( vae ) called an auxiliary classifier vae ( acvae ). the proposed method has three key features. first, it adopts fully convolutional architectures to construct the encoder an... | arxiv:1808.05092 |
artefacts compromise clinical decision - making in the use of medical time series. pulsatile waveforms offer probabilities for accurate artefact detection, yet most approaches rely on supervised manners and overlook patient - level distribution shifts. to address these issues, we introduce a generalised label - free fr... | arxiv:2504.21209 |
convolutional pose machine is a popular neural network architecture for articulated pose estimation. in this work we explore its empirical receptive field and realize, that it can be enhanced with integration of a global context. to do so u - shaped context module is proposed and compared with the pyramid pooling and a... | arxiv:1906.04104 |
three - coupled chains of quarter - filled hubbard model with dimerization have been studied for periodic boundary conditions. by use of a renormalization group method, it is found that the interchain hopping is renormalized to zero leading to confinement when charge gap becomes larger than the effective interchain hop... | arxiv:cond-mat/0005138 |
in the rapidly evolving landscape of artificial intelligence, multi - modal large language models are emerging as a significant area of interest. these models, which combine various forms of data input, are becoming increasingly popular. however, understanding their internal mechanisms remains a complex task. numerous ... | arxiv:2404.03118 |
divergence - free lie algebras ( also known as the special lie algebras of cartan type ) are lie algebras of volume - preserving transformation groups. they are simple in generic case. dokovic and zhao found a certain graded generalization of them. in this paper, we classify all the irreducible and indecomposable multi... | arxiv:1012.3626 |
this paper is devoted to investigate $ f ( r ) $ gravity using noether symmetry approach. for this purpose, we consider friedmann robertson - walker ( frw ) universe and spherically symmetric spacetimes. the noether symmetry generators are evaluated for some specific choice of $ f ( r ) $ models in the presence of gaug... | arxiv:1207.1008 |
red supergiants ( rsgs ) are cool and evolved massive stars exhibiting enhanced mass loss compared to their main sequence phase, affecting their evolution and fate. however, the theory of the wind - driving mechanism is not well - established and the metallicity dependence has not been determined. we aim to uniformly m... | arxiv:2503.05876 |
recall that a triangular hopf algebra a is said to have the chevalley property if the tensor product of any two simple a - modules is semisimple, or, equivalently, if the radical of a is a hopf ideal. there are two reasons to study this class of triangular hopf algebras : first, it contains all known examples of finite... | arxiv:math/0101049 |
we modify a stellar structure code to estimate the effect upon the main sequence of the accretion of weakly interacting dark matter onto stars and its subsequent annihilation. the effect upon the stars depends upon whether the energy generation rate from dark matter annihilation is large enough to shut off the nuclear ... | arxiv:0710.3396 |
january 2021 report in melbourne ' s herald sun noted an increased number of reports for dumped rubbish. = = europe = = = = = denmark = = = = = = = government - led initiatives = = = = in 2002, mindlab an innovation public sector service design group was established by the danish ministries of business and growth, empl... | https://en.wikipedia.org/wiki/Civic_technology |
localization and mapping are key capabilities for self - driving vehicles. in this paper, we build on kimera and extend it to use multiple cameras as well as external ( eg wheel ) odometry sensors, to obtain accurate and robust odometry estimates in real - world problems. additionally, we propose an effective scheme fo... | arxiv:2304.13182 |
in this work, we explore a change of paradigm to build precomputed radiance transfer ( prt ) methods in a data - driven way. this paradigm shift allows us to alleviate the difficulties of building traditional prt methods such as defining a reconstruction basis, coding a dedicated path tracer to compute a transfer funct... | arxiv:2206.13112 |
quantum information technologies provide promising applications in communication and computation, while machine learning has become a powerful technique for extracting meaningful structures in ' big data '. a crossover between quantum information and machine learning represents a new interdisciplinary area stimulating ... | arxiv:1712.00456 |
we discuss the first results from two successful simulations of galaxy formation within a cosmological volume. with over 2000 large objects forming in each we have sufficient numbers to reliably produce both galaxy correlation and luminosity functions. we find that the observed galaxy counts are well fitted by these mo... | arxiv:astro-ph/9906032 |
from the quark confinement idea, we conjecture that the quarks compose colorless particles ( uud and udd - the lee particles ) and then the lee particles construct a body center cubic lattice in the vacuum. in terms of the energy band theory, from the symmetries of the body center cubic periodic field, we deduce the ba... | arxiv:hep-ph/0012239 |
this paper investigates how secure information sharing with external vendors can be achieved in an industrial internet of things ( iiot ). it also identifies necessary security requirements for secure information sharing based on identified security challenges stated by the industry. the paper then proposes a roadmap f... | arxiv:1601.04301 |
we consider equally - weighted cantor measures $ \ mu _ { q, b } $ arising from iterated function systems of the form $ { b ^ { - 1 } ( x + i ) } $, $ i = 0, 1,..., q - 1 $, where $ q < b $. we classify the $ ( q, b ) $ so that they have infinitely many mutually orthogonal exponentials in $ l ^ 2 ( \ mu _ { q, b } ) $.... | arxiv:1209.4386 |
an approach to use the method of laplace transform for the perturbative solution of the schr \ " { o } dinger equation at any order of the perturbation for a system of $ n $ qubits coupled to a cavity with $ n $ photons is suggested. we investigate the dynamics of a system of $ n $ superconducting qubits coupled to a c... | arxiv:1809.02881 |
exotic spin - multipolar ordering in spin transition metal insulators has so far eluded unambiguous experimental observation. a less studied, but perhaps more feasible fingerprint of multipole character emerges in the excitation spectrum in the form of quadrupolar transitions. such multipolar excitations are desirable ... | arxiv:1702.04158 |
we discuss the lagrangian - eulerian framework for hydrodynamic models and provide a proof of lipschitz dependence of solutions on initial data in path space. the paper presents a corrected version of the result in \ cite { c1 }. | arxiv:1812.00039 |
estimating the direction of arrival ( doa ) of sources is an important problem in aerospace and vehicular communication, localization and radar. in this paper, we consider a challenging multi - source doa estimation task, where the receiving antenna array is composed of non - coherent sub - arrays, i. e., sub - arrays ... | arxiv:2202.07781 |
the ability to partially oxidize methane at low temperatures and pressures would have important environmental and economic applications. although methane oxidation on gold nanoparticles has been observed experimentally, our density functional theory ( dft ) calculations indicate neither ch4, ch3, nor h adsorb on a neut... | arxiv:1308.5266 |
we measured temperatures, gravities, and masses for a large sample of blue horizontal branch stars in omega centauri, comparing the results with theoretical expectations for canonical and he - enriched stars, and with previous measurements in three other clusters. the measured gravities of omega cen stars are systemati... | arxiv:1107.5601 |
two - dimensional ( 2d ) semiconductors have demonstrated great potential for next - generation electronics and optoelectronics. however, the current 2d semiconductors suffer from intrinsically low carrier mobility at room temperature, which significantly limits its applications. here we discover a variety of new 2d se... | arxiv:2208.10663 |
many types of pairwise interaction take the form of a fixed set of nodes with edges that appear and disappear over time. in the case of discrete - time evolution, the resulting evolving network may be represented by a time - ordered sequence of adjacency matrices. we consider here the issue of representing the system a... | arxiv:1511.07305 |
in a recent paper, hod proved that spherically symmetric dirichlet reflecting compact stars cannot support static nonminimally coupled scalar fields. in the present paper, we study the validity of no hair theorems for compact stars with neumann surface boundary conditions. we find that neumann compact stars cannot supp... | arxiv:1903.01713 |
we revisit sidewise dispersion relations as a method to relate the nucleon off - shell form factor to observable quantities, namely the meson - nucleon scattering phase shifts. it is shown how for meson - nucleon scattering a redefinition of the intermediate fields leaves the scattering amplitude invariant, but changes... | arxiv:nucl-th/9603031 |
we establish convergence of spectra of neumann laplacian in a thin neighborhood of a branching 2d structure in 3d to the spectrum of an appropriately defined operator on the structure itself. this operator is a 2d analog of the well known by now quantum graphs. as in the latter case, such considerations are triggered b... | arxiv:1908.06222 |
simultaneous strong coherent pumping of the two transitions of a v - level atom with very differentdecay rates has been predicted to create almost perfect inversion on the narrower transition. usingthe example of the blue and red transitions in strontium we show that for suitable operatingconditions the corresponding r... | arxiv:2007.12522 |
in two articles by barthel, brasselet, fieseler and kaup, and, bressler and lunts, a combinatorial theory of intersection cohomology and perverse sheaves has been developed on fans. in the first one, one tried to present everything on an elementary level, using only some commutative algebra and no derived categories. t... | arxiv:math/0306344 |
in this paper the experimental demonstration of a silicon - on - insulator reflective arrayed waveguide grating ( r - awg ) is reported. the device employs one sagnac loop mirror per arm in the array, built with a 1x2 input / outputs, 50 : 50 splitting ratio, multimode interference coupler, for total reflection. the sp... | arxiv:1403.7706 |
we review important ideas on nuclear and quark matter description on the basis of high - temperature field theory concepts, like resummation, dimensional reduction, interaction scale separation and spectral function modification in media. statistical and thermodynamical concepts are spotted in the light of these method... | arxiv:1610.09973 |
there are various quantum chemical approaches for an ab initio description of transfer integrals within the framework of marcus theory in the context of electron transfer reactions. in our article we aim to calculate transfer integrals in redox - active single molecule junctions, where we focus on the coherent tunnelin... | arxiv:1312.5607 |
we explore the thermodynamics and the underlying kinetics of the van der waals type phase transition of reissner - nordstr \ " { o } m anti - de sitter ( rnads ) black holes based on the free energy landscape. we show that the thermodynamic stabilities of the three branches of the rnads black holes are determined by th... | arxiv:2008.00495 |
it is well known that many open - released foundational diffusion models have difficulty in generating images that substantially depart from average brightness, despite such images being present in the training data. this is due to an inconsistency : while denoising starts from pure gaussian noise during inference, the... | arxiv:2311.15744 |
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