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explaining the predictions of opaque machine learning algorithms is an important and challenging task, especially as complex models are increasingly used to assist in high - stakes decisions such as those arising in healthcare and finance. most popular tools for post - hoc explainable artificial intelligence ( xai ) ar...
arxiv:2106.10191
the electronic structure of la0. 7ce0. 3mno3 ( lcemo ) thin film has been investigated using photoemission spectroscopy ( pes ) and x - ray absorption spectroscopy ( xas ). the ce 3d core - level pes and xas spectra of lcemo are very similar to those of ceo2, indicating that ce ions are far from being trivalent. a very...
arxiv:cond-mat/0309182
we prove that any ( real or complex ) analytic horizontally conformal submersion from a three - dimensional conformal manifold m to a two - dimensional conformal manifold n can be, locally, ` extended ' to a unique harmonic morphism from the heaven space of m to n.
arxiv:0709.0672
we study how active - region - scale flux tubes rise buoyantly from the base of the convection zone to near the solar surface by embedding a thin flux tube model in a rotating spherical shell of solar - like turbulent convection. these toroidal flux tubes that we simulate range in magnetic field strength from 15 kg to ...
arxiv:1208.1292
primordial black holes are considered to be pair created quantum - mechanically during inflation. in the context of general relativity ( gr ), it has been shown that the pair creation rate is exponentially decreasing during inflation. specifically, tiny black holes are favored in the early universe, but they can grow w...
arxiv:1712.10177
a practical and scalable multicast beamformer design in multi - input multi - output ~ ( mimo ) coded caching ~ ( cc ) systems is introduced in this paper. the proposed approach allows multicast transmission to multiple groups with partially overlapping user sets using receiver dimensions to distinguish between differe...
arxiv:2312.02839
the anais ( annual modulation with nai ( tl ) scintillators ) experiment aims at the confirmation of the dama / libra signal using the same target and technique at the canfranc underground laboratory. 250 kg of ultrapure nai ( tl ) crystals will be used as a target, divided into 20 modules, each coupled to two photomul...
arxiv:1308.3478
we experimentally investigate the dielectric response of the low - dimensional gapped quantum magnet cu $ _ 2 $ cl $ _ { 4 } \ cdot $ h $ _ 8 $ c $ _ 4 $ so $ _ 2 $ near a magnetic field - induced quantum critical point, which separates the quantum - disordered and helimagnetic ground states. the observed magnetocapaci...
arxiv:1503.08173
the fermilab top quark analysis is heavily dependent on the assumption of standard model backgrounds only. in the light gluino scenario, the stop quarks lie near the top in mass and their decays can influence the resulting top quark mass by an amount that is not small relative to the currently quoted errors. several sl...
arxiv:hep-ph/9708405
quantum simulation provides a computationally - feasible approach to model and study many problems in chemistry, condensed - matter physics, or high - energy physics where quantum phenomenon define the systems behaviour. in high - energy physics, quite a few possible applications are investigated in the context of gaug...
arxiv:2305.13923
aims. we use the kepler data accumulated on the pulsating db white dwarf kic 08626021 to explore in detail the stability of its oscillation modes, searching in particular for evidences of nonlinear behaviors. methods. we analyse nearly two years of uninterrupted short cadence data, concentrating in particular on identi...
arxiv:1510.06884
in unconstrained thermal equilibrium a local potential for total or fermionic hypercharge does not bias electroweak anomalous processes. we consider two proposed mechanisms for electroweak baryogenesis in this light. in ` spontaneous ' baryogenesis, which was argued to apply in the ` adiabatic ' limit of thick, slow wa...
arxiv:hep-ph/9401351
given an anticanonical divisor in a projective variety, one naturally obtains a monotone k \ " ahler manifold. in this paper, for divisors in a certain class ( larger than normal crossings ), we construct smoothing families of contact hypersurfaces with controlled reeb dynamics. we use these to obtain subsets of the di...
arxiv:2408.13187
matrix models have been shown to be equivalent to noncommutative field theories. in this work we study noncommutative x - y model and try to understand kosterlitz thouless transition in it by analysing the equivalent matrix model. we consider the cases of a finite lattice and infinite lattice separately. we show that t...
arxiv:hep-th/0105051
in this paper, we address a simplified version of a problem arising from volcanology. specifically, as reduced form of the boundary value problem for the lam \ ' e system, we consider a neumann problem for harmonic functions in the half - space with a cavity $ c $. zero normal derivative is assumed at the boundary of t...
arxiv:1508.02051
grace / susy - loop is a program package for the automatic calculation of the mssm amplitudes in one - loop order. we present features of grace / susy - loop, processes calculated using grace / susy - loop and an extension of the non - linear gauge formalism applied to grace / susy - loop.
arxiv:1006.3491
probabilistic topic models are popular unsupervised learning methods, including probabilistic latent semantic indexing ( plsi ) and latent dirichlet allocation ( lda ). by now, their training is implemented on general purpose computers ( gpcs ), which are flexible in programming but energy - consuming. towards low - en...
arxiv:1804.03578
i derive unidirectional wave equations for fields propagating in materials with both electric and magnetic dispersion and nonlinearity. the derivation imposes no conditions on the pulse profile except that the material modulates the propagation slowly, that is, that loss, dispersion, and nonlinearity have only a small ...
arxiv:0909.3407
two recent developments have accelerated progress in image reconstruction from human brain activity : large datasets that offer samples of brain activity in response to many thousands of natural scenes, and the open - sourcing of powerful stochastic image - generators that accept both low - and high - level guidance. m...
arxiv:2306.00927
we study the behavior of bipartite entanglement at fixed von neumann entropy. we look at the distribution of the entanglement spectrum, that is the eigenvalues of the reduced density matrix of a quantum system in a pure state. we report the presence of two continuous phase transitions, characterized by different entang...
arxiv:1302.3383
little research has explored how information engagement ( ie ), the degree to which individuals interact with and use information in a manner that manifests cognitively, behaviorally, and affectively. this study explored the impact of phrasing, specifically word choice, on ie and decision making. synthesizing two theor...
arxiv:2305.09798
what would happen if temperatures were subdued and result in a cool summer? one can easily imagine that air conditioner, ice cream or beer sales would be suppressed as a result of this. less obvious is that agricultural shipments might be delayed, or that sound proofing material sales might decrease. the ability to ext...
arxiv:2408.01748
of soil will slip relative to the base of soil and lead to slope failure. if the interface between the mass and the base of a slope has a complex geometry, slope stability analysis is difficult and numerical solution methods are required. typically, the interface ' s exact geometry is unknown, and a simplified interfac...
https://en.wikipedia.org/wiki/Geotechnical_engineering
motivated by the very recent work of gao, y., chen, j., wang, j., zou, h. [ comm. algebra, 49 ( 8 ) ( 2021 ) 3241 - 3254 ; mr4283143 ], we introduce two new generalized inverses named weak drazin ( wd ) and weak drazin moore - penrose ( wdmp ) inverses for elements in rings. a few of their properties are then provided,...
arxiv:2303.06651
we define here an analogue, for the n \ ' eron model of a semi - stable abelian variety defined over a number field, of m. j. taylor ' s class - invariant homomorphism ( defined for abelian schemes ). then we extend an annulation result ( in the case of an elliptic curve ), and an injectivity result regarding an arakel...
arxiv:math/0401445
hierarchical clustering is a critical task in numerous domains. many approaches are based on heuristics and the properties of the resulting clusterings are studied post hoc. however, in several applications, there is a natural cost function that can be used to characterize the quality of the clustering. in those cases,...
arxiv:2104.07061
in multimedia applications, the text and image components in a web document form a pairwise constraint that potentially indicates the same semantic concept. this paper studies cross - modal learning via the pairwise constraint, and aims to find the common structure hidden in different modalities. we first propose a com...
arxiv:1411.7798
we study radiation pressure due to lyman alpha line photons, obtaining and exploring analytical expressions for the force - multiplier, $ m _ f ( n _ h, z ) = f _ \ alpha / ( l _ \ alpha / c ) $, as a function of gas column density, $ n _ h $, and metallicity, $ z $, for both dust - free and dusty media, employing a wk...
arxiv:2103.14655
motivated by recent results of kapron and steinberg ( lics 2018 ) we introduce new forms of iteration on length in the setting of applied lambda - calculi for higher - type poly - time computability. in particular, in a type - two setting, we consider functionals which capture iteration on input length which bound inte...
arxiv:1908.04923
3d scene graphs ( 3dsgs ) are an emerging description ; unifying symbolic, topological, and metric scene representations. however, typical 3dsgs contain hundreds of objects and symbols even for small environments ; rendering task planning on the full graph impractical. we construct taskography, the first large - scale ...
arxiv:2207.05006
the shallow water equations ( swe ) are a commonly used model to study tsunamis, tides, and coastal ocean circulation. however, there exist various approaches to discretize and solve them efficiently. which of them is best for a certain scenario is often not known and, in addition, depends heavily on the used hpc platf...
arxiv:1904.08684
as algorithms increasingly inform and influence decisions made about individuals, it becomes increasingly important to address concerns that these algorithms might be discriminatory. the output of an algorithm can be discriminatory for many reasons, most notably : ( 1 ) the data used to train the algorithm might be bia...
arxiv:1711.08513
polymer - air multilayer ( pam ) was developed to decrease the heat loss through window glass panes. a pam consists of a few polymer films separated from each other by air gaps. thanks to the excellent optical properties of the polymer films, the visual transmittance of pam is higher than 70 %, and the haze is less tha...
arxiv:2005.14395
most recommender systems optimize the model on observed interaction data, which is affected by the previous exposure mechanism and exhibits many biases like popularity bias. the loss functions, such as the mostly used pointwise binary cross - entropy and pairwise bayesian personalized ranking, are not designed to consi...
arxiv:2204.12176
environmental disturbances, such as sensor data noises, various lighting conditions, challenging weathers and external adversarial perturbations, are inevitable in real self - driving applications. existing researches and testings have shown that they can severely influence the vehicles perception ability and performan...
arxiv:2203.09952
this is a short ( and personal ) introduction in german to the connections between artificial intelligence, philosophy, and logic, and to the author ' s work. dies ist eine kurze ( und persoenliche ) einfuehrung in die zusammenhaenge zwischen kuenstlicher intelligenz, philosophie, und logik, und in die arbeiten des aut...
arxiv:1901.00365
we measure the full distribution of current fluctuations in a single - electron transistor with a controllable bistability. the conductance switches randomly between two levels due to the tunneling of single electrons in a separate single - electron box. the electrical fluctuations are detected over a wide range of tim...
arxiv:1606.06839
as new experimental data arrive from the lhc the prospect of indirectly detecting new physics through precision tests of the standard model grows more exciting. precise experimental and theoretical inputs are required to test the unitarity of the ckm matrix and to search for new physics effects in rare decays. lattice ...
arxiv:1210.7266
the phase - space description of bosonic quantum systems has numerous applications in such fields as quantum optics, trapped ultracold atoms, and transport phenomena. extension of this description to the case of fermionic systems leads to formal grassmann phase - space quasiprobability distributions and master equation...
arxiv:1609.06360
for exchangeable data, mixture models are an extremely useful tool for density estimation due to their attractive balance between smoothness and flexibility. when additional covariate information is present, mixture models can be extended for flexible regression by modeling the mixture parameters, namely the weights an...
arxiv:2307.16298
hijing + + ( heavy ion jet interaction generator ) is the successor of the widely used original hijing, developed almost three decades ago. while the old versions ( 1. x and 2. x ) were written in fortran, hijing + + was completely rewritten in c + +. during the development we keep in mind the requirements of the high ...
arxiv:1811.02131
in this paper, we study homothetic tube model predictive control ( mpc ) of discrete - time linear systems subject to bounded additive disturbance and mixed constraints on the state and input. different from most existing work on robust mpc, we assume that the true disturbance set is unknown but a conservative surrogat...
arxiv:2505.03482
for efficient and high - fidelity local facial attribute editing, most existing editing methods either require additional fine - tuning for different editing effects or tend to affect beyond the editing regions. alternatively, inpainting methods can edit the target image region while preserving external areas. however,...
arxiv:2412.13565
fine granularity is an essential requirement for controllable text generation, which has seen rapid growth with the ability of llms. however, existing methods focus mainly on a small set of attributes like 3 to 5, and their performance degrades significantly when the number of attributes increases to the next order of ...
arxiv:2502.12375
consider the problem of a government that wants to reduce the debt - to - gdp ( gross domestic product ) ratio of a country. the government aims at choosing a debt reduction policy which minimises the total expected cost of having debt, plus the total expected cost of interventions on the debt ratio. we model this prob...
arxiv:1607.04153
we compare the first results on searches for supersymmetry with the large hadron collider ( lhc ) to the current and near - term performance of experiments sensitive to neutralino dark matter. we limit our study to the particular slices of parameter space of the constrained minimal supersymmetric extension to the stand...
arxiv:1105.5162
i share some memories and offer a personal perspective on jacob bekenstein ' s legacy, focussing on black hole entropy and the bekenstein bound. i summarize a number of fascinating recent developments that grew out of bekenstein ' s pioneering contributions, from the ryu - takayanagi proposal to the quantum null energy...
arxiv:1810.01880
a grand challenge of the 21st century cosmology is to accurately estimate the cosmological parameters of our universe. a major approach to estimating the cosmological parameters is to use the large - scale matter distribution of the universe. galaxy surveys provide the means to map out cosmic large - scale structure in...
arxiv:1711.02033
designers of millimeter wave ( mmwave ) cellular systems need to evaluate line - of - sight ( los ) maps to provide good service to users in urban scenarios. in this letter, we derive estimators to obtain los maps in scenarios with potential blocking elements. applying previous stochastic geometry results, we formulate...
arxiv:2411.07193
the gas giant planets in the solar system have a retinue of icy moons, and we expect giant exoplanets to have similar satellite systems. if a jupiter - like planet were to migrate toward its parent star the icy moons orbiting it would evaporate, creating atmospheres and possible habitable surface oceans. here, we exami...
arxiv:1703.06936
we study the generalized hankel transform of the family of sequences satisfying the recurrence relation $ a _ { n + 1 } = \ bigl ( \ alpha + \ frac { \ beta } { n + \ gamma } \ bigr ) a _ n $. we apply the obtained formula to several particular important sequences. incidentally, we find a connection between some well k...
arxiv:0912.0684
a quantum computer is proposed in which information is stored in the two lowest electronic states of doped quantum dots ( qds ). many qds are located in a microcavity. a pair of gates controls the energy levels in each qd. a controlled not ( cnot ) operation involving any pair of qds can be effected by a sequence of ga...
arxiv:quant-ph/9903065
we investigate the vortex lattice and vortex bound states in csfe $ _ 2 $ as $ _ 2 $ single crystals by scanning tunneling microscopy / spectroscopy ( stm / sts ) under various magnetic fields. a possible structural transition or crossover of vortex lattice is observed with the increase of magnetic field, i. e., the vo...
arxiv:1801.02348
the fubini - study metric of quantum state manifold generated by the operators which satisfy the heisenberg lie algebra is calculated. the similar problem is studied for the manifold generated by the so ( 3 ) lie algebra operators. using these results we calculate the fubini - study metrics of state manifolds generated...
arxiv:1706.00250
the spin - statistics connection is obtained for a simple formulation of a classical field theory containing even and odd grassmann variables. to that end, the construction of irreducible canonical realizations of the rotation group corresponding to general causal fields is reviewed. the connection is obtained by impos...
arxiv:physics/0601014
drumming belongs to a family of musical instruments whose practice, whether as an amateur or at a high level, is associated with an increased risk of musculoskeletal disorders ( msd ), particularly of the upper limbs and lumbar spine. the vast majority of drummers learn to play on acoustic instruments, the sound intens...
arxiv:2505.08571
a centrosymmetric permutation is one which is invariant under the reverse - complement operation, or equivalently one whose associated standard young tableaux under the robinson - schensted algorithm are both invariant under the schutzenberger involution. in this paper, we characterize the set of permutations avoiding ...
arxiv:1002.1229
we introduce the notion of t - restricted doubling dimension of a point set in euclidean space as the local intrinsic dimension up to scale t. in many applications information is only relevant for a fixed range of scales. we present an algorithm to construct a hierarchical net - tree up to scale t which we denote as th...
arxiv:1406.4822
we discuss a new scenario for the formation of intermediate mass black holes in dense star clusters. in this scenario, intermediate mass black holes are formed as a result of dynamical interactions of hard binaries containing a stellar mass black hole, with other stars and binaries. we discuss the necessary conditions ...
arxiv:1506.05234
non - maxwellian electron velocity space distribution functions ( evdf ) are useful signatures of plasma conditions and non - local consequences of collisionless magnetic reconnection. in the past, evdfs were obtained mainly for antiparallel reconnection and under the influence of weak guide - fields in the direction p...
arxiv:1608.03110
theoretical studying of the very inner structure of faint satellite galaxy requires very high - resolution hydro - dynamical simulations with realistic models for star formation, which are beginning to emerge recently. in this work we present an analytical description to model the inner kinematic of satellites in the m...
arxiv:1911.05257
we predict superconductivity for the carbon - boron clathrate srb3c3 at 27 - 43 k for coulomb pseudopotential ( mu * ) values between 0. 17 and 0. 10 using first - principles calculations with conventional electron - phonon coupling. electrical transport measurements, facilitated by a novel in situ experimental design ...
arxiv:1708.03483
while language models store a massive amount of world knowledge implicitly in their parameters, even very large models often fail to encode information about rare entities and events, while incurring huge computational costs. recently, retrieval - augmented models, such as realm, rag, and retro, have incorporated world...
arxiv:2210.02928
having precise perception of the environment is crucial for ensuring the secure and reliable functioning of autonomous driving systems. radar object detection networks are one fundamental part of such systems. cnn - based object detectors showed good performance in this context, but they require large compute resources...
arxiv:2308.07748
we provide a complete picture to the self - gravitating non - relativistic gas at thermal equilibrium using monte carlo simulations, analytic mean field methods ( mf ) and low density expansions. the system is shown to possess an infinite volume limit in the grand canonical ( gce ), canonical ( ce ) and microcanonical ...
arxiv:astro-ph/0505561
we establish a mod 2 index theorem for real vector bundles over 8k + 2 dimensional compact pin $ ^ - $ manifolds. the analytic index is the reduced $ \ eta $ invariant of ( twisted ) dirac operators and the topological index is defined through $ ko $ - theory. our main result extends the mod 2 index theorem of atiyan a...
arxiv:1508.02619
recently, it was demonstrated that field - free switching could be achieved by combining spin - orbit torque ( sot ) and dzyaloshinskii - moriya interaction ( dmi ). however, this mechanism only occurs under certain conditions which have not been well discussed. in this letter, it is found that the ratio of domain wall...
arxiv:2009.09446
collective phenomena with universal properties have been observed in many complex systems with a large number of components. here we present a microscopic model of the emergence of scaling behavior in such systems, where the interaction dynamics between individual components is mediated by a global variable making the ...
arxiv:1006.0628
understanding the emergence of biological structures and their changes is a complex problem. on a biochemical level, it is based on gene regulatory networks ( grn ) consisting on interactions between the genes responsible for cell differentiation and coupled in a greater scale with external factors. in this work we pro...
arxiv:1802.04347
recovered from the disease. those in this category are not able to be infected again or to transmit the infection to others. the flow of this model may be considered as follows : s → i → r { \ displaystyle { \ mathcal { s } } \ rightarrow { \ mathcal { i } } \ rightarrow { \ mathcal { r } } } using a fixed population, ...
https://en.wikipedia.org/wiki/Network_science
although word - level prosody modeling in neural text - to - speech ( tts ) has been investigated in recent research for diverse speech synthesis, it is still challenging to control speech synthesis manually without a specific reference. this is largely due to lack of word - level prosody tags. in this work, we propose...
arxiv:2202.07200
several models of dark matter motivate the concept of hidden sectors consisting of su ( 3 ) _ c x su ( 2 ) _ l x u ( 1 ) _ y singlet fields. the interaction between our and hidden matter could be transmitted by new abelian u ' ( 1 ) gauge bosons a ' mixing with ordinary photons. if such a ' s with the mass in the sub -...
arxiv:1204.3583
in this paper we discuss the possible usage of the compressive sampling based wavelet analysis for the efficient measurement and for the early detection of one dimensional ( 1d ) vibrational rogue waves. we study the construction of the triangular ( v - shaped ) wavelet spectra using compressive samples of rogue waves ...
arxiv:1706.01972
by all measures, wireless networking has seen explosive growth over the past decade. fourth generation long term evolution ( 4g lte ) cellular technology has increased the bandwidth available for smartphones, in essence, delivering broadband speeds to mobile devices. the most recent 5g technology is further enhancing t...
arxiv:2101.01279
a generalized formalism of the so - called non - adiabatic quantum molecular dynamics is presented, which applies for atomic many - body systems in external laser fields. the theory treats the nuclear dynamics and electronic transitions simultaneously in a mixed classical - quantum approach. exact, self - consistent eq...
arxiv:physics/0112064
efficiently controlling the trapping process, especially the trapping efficiency, is central in the study of trap problem in complex systems, since it is a fundamental mechanism for diverse other dynamic processes. thus, it is of theoretical and practical significance to study the control technique for trapping problem...
arxiv:1307.0901
we consider quantum systems with causal dynamics in discrete spacetimes, also known as quantum cellular automata ( qca ). due to time - discreteness this type of dynamics is not characterized by a hamiltonian but by a one - time - step unitary. this can be written as the exponential of a hamiltonian but in a highly non...
arxiv:2006.10707
tur \ ' an, mitrinovi \ ' c - adamovi \ ' c and wilker type inequalities are deduced for regular coulomb wave functions. the proofs are based on a mittag - leffler expansion for the regular coulomb wave function, which may be of independent interest. moreover, some complete monotonicity results concerning the coulomb z...
arxiv:1504.06448
the prompt gamma ray emission was investigated in the 16a mev energy region by means of the 36, 40ar + 96, 92zr fusion reactions leading to a compound nucleus in the vicinity of 132ce. we show that the prompt radiation, which appears to be still effective at such a high beam energy, has an angular distribution pattern ...
arxiv:0710.1512
the kinetic inductance ( ki ) of superconducting devices can be exploited for reducing the footprint of linear elements as well as for introducing nonlinearity to the circuit. we characterize the linear and nonlinear properties of a multimode resonator fabricated from amorphous tungsten silicide ( wsi ) with a fundamen...
arxiv:2107.13264
in recent years, continual learning with pre - training ( clpt ) has received widespread interest, instead of its traditional focus of training from scratch. the use of strong pre - trained models ( ptms ) can greatly facilitate knowledge transfer and alleviate catastrophic forgetting, but also suffers from progressive...
arxiv:2408.08295
the functional renormalization group ( frg ) approach for spin models relying on a pseudo - fermionic description has proven to be a powerful technique in simulating ground state properties of strongly frustrated magnetic lattices. a drawback of the frg framework is that it is formulated in the imaginary - time matsuba...
arxiv:2503.11596
it was recently shown that the homogeneous and isotropic cosmology of a massless scalar field coupled to general relativity exhibits a new hidden conformal invariance under mobius transformation of the proper time, additionally to the invariance under time - reparamterization. the resulting noether charges form a $ sl ...
arxiv:2001.11807
dense high - energy monoenergetic proton beams are vital for wide applications, thus modern laser - plasma - based ion acceleration methods are aiming to obtain high - energy proton beams with energy spread as low as possible. in this work, we put forward a quantum radiative compression method to post - compress a high...
arxiv:2104.14239
let $ \ mathcal { h } $ denote an ariki - koike algebra over a field of characteristic $ p \ geq 0 $. for each $ r $ - multipartition $ { \ bf \ lambda } $ of $ n $, we define a $ \ mathcal { h } $ - module $ s ^ { { \ bf \ lambda } } $ and for each kleshchev $ r $ - multipartition $ { \ bf \ mu } $ of $ n $, we define...
arxiv:2303.04668
we provide a simple and short proof of a multidimensional borg - levinson type theorem. precisely, we prove that the spectral boundary data determine uniquely the corresponding potential appearing in the sch \ " odinger operator on an admissible riemannian manifold. we also sketch the proof of the case of incomplete sp...
arxiv:1912.03055
emission from blazar jets in the ultraviolet, optical, and infrared is polarized. if these low - energy photons were inverse - compton scattered, the upscattered high - energy photons retain a fraction of the polarization. current and future x - ray and gamma - ray polarimeters such as integral - spi, pogolite, x - cal...
arxiv:1502.00453
gravitational wave observations can provide unprecedented insight into the fundamental nature of gravity and allow for novel tests of modifications to general relativity. one proposed modification suggests that gravity may undergo a phase transition in the strong - field regime ; the detection of such a new phase would...
arxiv:1906.08161
the spiral galaxy ngc 6503 exhibits a regular kinematical structure except for a remarkable drop of the stellar velocity dispersion values in the central region. to investigate the dynamics of the disc a theoretical framework has been described. this includes a mass decomposition of the galaxy into a family of disc / h...
arxiv:astro-ph/9704190
a schematic two - level model consisting of a " collective " bosonic state and an " elementary " meson is constructed that provides interpolation from a hadronic description ( a la rapp / wambach ) to b / r scaling for the description of properties of vector mesons in dense medium. the development is based on a close a...
arxiv:nucl-th/9902009
extracting information from raw data is probably one of the central activities of experimental scientific enterprises. this work is about a pipeline in which a specific model is trained to provide a compact, essential representation of the training data, useful as a starting point for visualization and analyses aimed a...
arxiv:2204.13933
the kibble zurek mechanism in a relativistic $ \ phi ^ { 4 } $ scalar field theory in $ d = ( 1 + 1 ) $ is studied using uniform matrix product states. the equal time two point function in momentum space $ g _ { 2 } ( k ) $ is approximated as the system is driven through a quantum phase transition at a variety of diffe...
arxiv:1711.10452
we compute all planar two - loop six - point feynman integrals entering scattering observables in massless gauge theories such as qcd. a central result of this paper is the formulation of the differential - equations method under the algebraic constraints stemming from four - dimensional kinematics, which in this case ...
arxiv:2412.19884
we propose a single chunk model of long - term memory that combines the basic features of the act - r theory and the multiple trace memory architecture. the pivot point of the developed theory is a mathematical description of the creation of new memory traces caused by learning a certain fragment of information pattern...
arxiv:1402.4058
generative modeling is a flavor of machine learning with applications ranging from computer vision to chemical design. it is expected to be one of the techniques most suited to take advantage of the additional resources provided by near - term quantum computers. we implement a data - driven quantum circuit training alg...
arxiv:1812.08862
we study the eigenvector mass distribution of an $ n \ times n $ wigner matrix on a set of coordinates $ i $ satisfying $ | i | \ ge c n $ for some constant $ c > 0 $. for eigenvectors corresponding to eigenvalues at the spectral edge, we show that the sum of the mass on these coordinates converges to a gaussian in the...
arxiv:2303.11142
the hyperfine transition of $ ^ 3 $ he $ ^ + $ at 3. 5cm has been thought as a probe of the high - z igm since it offers a unique insight into the evolution of the helium component of the gas, as well as potentially give an independent constraint on the 21cm signal from neutral hydrogen. in this paper, we use radiative...
arxiv:2007.00934
rx j1301. 9 + 2747 is a unique active galaxy with supersoft x - ray spectrum that lacks significant emission at energies above 2 kev. in addition, it is one of few galaxies displaying quasi - periodic x - ray eruptions that recur on a timescale of 13 - 20 ks. we present multi - epoch radio observations of rx j1301. 9 +...
arxiv:2207.06585
we examine the fraction of massive ( $ m _ { * } > 10 ^ { 10 } m _ { \ odot } $ ), compact star - forming galaxies ( csfgs ) that host an active galactic nucleus ( agn ) at $ z \ sim2 $. these csfgs are likely the direct progenitors of the compact quiescent galaxies observed at this epoch, which are the first populatio...
arxiv:1710.05921
we investigate the quantum geometry of $ 2d $ surface $ s $ bounding the cauchy slices of 4d gravitational system. we investigate in detail and for the first time the symplectic current that naturally arises boundary term in the first order formulation of general relativity in terms of the ashtekar - barbero connection...
arxiv:1507.02573