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we study the $ l _ 1 $ - regularized maximum likelihood estimator / estimation ( mle ) problem for discrete markov random fields ( mrfs ), where efficient and scalable learning requires both sparse regularization and approximate inference. to address these challenges, we consider a stochastic learning framework called ...
arxiv:2005.06083
we lift the recently proposed theories of higher - spin self - dual yang - mills ( sdym ) and gravity ( sdgr ) to the twistor space. we find that the most natural room for the twistor formulation of these theories is not in the projective, but in the full twistor space, which is the total space of the spinor bundle ove...
arxiv:2210.06209
the exo - uv program is an international, interdisciplinary collaboration between astrophysicists and biologists aimed at expanding the characterization of ultraviolet radiation ( uvr ) environments on exoplanets. this approach combines astrophysical studies with biological experiments to better understand the potentia...
arxiv:2502.08752
a qcd analysis of the world data on polarized deep inelastic scattering is presented in leading and next - to - leading order. new parameterizations are derived for the quark and gluon distributions for the kinematic range $ x \ epsilon [ 10 ^ { - 9 }, 1 ], q ^ 2 \ epsilon [ 1, 10 ^ 6 ] \ gev ^ 2 $. the extrapolation f...
arxiv:hep-ph/0203155
future virtualized radio access network ( vran ) infrastructure providers ( and today ' s experimental wireless testbed providers ) may be simultaneously uncertain what signals are being transmitted by their base stations and legally responsible for their violations. these providers must monitor the spectrum of transmi...
arxiv:2212.08179
we study sequential decision making in environments where rewards are only partially observed, but can be modeled as a function of observed contexts and the chosen action by the decision maker. this setting, known as contextual bandits, encompasses a wide variety of applications such as health care, content recommendat...
arxiv:1503.02834
we define $ z $ - signable correspondence assignments on multigraphs, which generalize good correspondence assignments as introduced by kaul and mudrock. we introduce an auxiliary digraph that allows us to prove an alon - tarsi style theorem for dp - colorings from $ z $ - signable correspondence assignments on multigr...
arxiv:2308.12706
many bacterial species are helical in form, including the widespread pathogen h. pylori. motivated by recent experiments on h. pylori showing that cell wall synthesis is not uniform, we investigate the possible formation of helical cell shape induced by elastic heterogeneity. we show, experimentally and theoretically, ...
arxiv:2205.09688
we consider the characteristics of nonlinear energy conditions and of quantum extensions of these and the usual energy conditions. we show that they are satisfied by some quantum vacuum states that violate the usual energy conditions.
arxiv:1510.00158
science projects are data publishers. the scale and complexity of current and future science data changes the nature of the publication process. publication is becoming a major project component. at a minimum, a project must preserve the ephemeral data it gathers. derived data can be reconstructed from metadata, but me...
arxiv:cs/0208012
this is the second in a series of papers devoted to open string field theory in two dimensions. in this paper we aim to clarify the origin and the role of discrete physical states in the theory. to this end, we study interactions of discrete states and generic tachyons. in particular, we discuss at length four point am...
arxiv:hep-th/9308050
we present optical spectrophotometric and near - infrared ( nir ) photometric observations of the nova v2676 oph covering the period from 2012 march 29 through 2015 may 8. the optical spectra and photometry of the nova have been taken from smarts and asiago ; the near - infrared photometry was obtained from smarts and ...
arxiv:1612.07906
this letter aims at deriving a semiparametric slepian - bangs ( ssb ) formula for complex elliptically symmetric ( ces ) distributed data vectors. the semiparametric cram \ ' { e } r - rao bound ( scrb ), related to the proposed ssb formula, provides a lower bound on the mean square error ( mse ) of \ textit { any } ro...
arxiv:1807.08936
in this paper, we employ a continuous ginzburg - landau model to study the behaviors of the parallel upper critical field of an intrinsically - layered superconductor. near $ t _ c $ where the order parameter is nearly homogeneous, the parallel upper critical field is found to vary as $ ( 1 - t / t _ c ) ^ { 1 / 2 } $....
arxiv:cond-mat/0201322
radio observations of tidal disruption events ( tdes ) - when a star is tidally disrupted by a supermassive black hole ( smbh ) - provide a unique laboratory for studying outflows in the vicinity of smbhs and their connection to accretion onto the smbh. radio emission has been detected in only a handful of tdes so far....
arxiv:2102.11290
in this paper, we present a global - to - local task - aware fault detection and identification algorithm to detect failures in a multi - spacecraft system performing a collaborative inspection ( referred to as global ) task. the inspection task is encoded as a cost functional $ \ costh $ that informs global ( task all...
arxiv:2505.03088
we derive constraints on dark matter ( dm ) annihilation cross section and decay lifetime from cross - correlation analyses of the data from fermi - lat and weak lensing surveys that cover a wide area of $ \ sim660 $ squared degrees in total. we improve upon our previous analyses by using an updated extragalactic $ \ g...
arxiv:1607.02187
recently, non - sos positivstellens \ " atze for polynomials on compact semialgebraic sets, following the general form of schm \ " { u } dgen ' s positivstellensatz, have been derived by appropriately replacing the sos polynomials with other classes of polynomials. an open question in the literature is how to obtain si...
arxiv:2110.10079
recent type ia supernovae data seem to favor a dark energy model whose equation of state $ w ( z ) $ crosses - 1, which is a much more amazing problem than the acceleration of the universe. either the case that $ w ( z ) $ evolves from above - 1 to below - 1 or the case that $ w ( z ) $ runs from below - 1 to above - 1...
arxiv:astro-ph/0611834
we discuss the renormalized free energy of a heavy quark anti - quark pair in the color singlet channel for quenched and full qcd at finite temperature. the temperature and mass dependence, as well as its short distance behavior is analyzed. using the free energies we calculate the heavy quark potential and entropy in ...
arxiv:hep-lat/0309121
knowledge graph entity typing ( kget ) aims to infer missing entity type instances in knowledge graphs. previous research has predominantly centered around leveraging contextual information associated with entities, which provides valuable clues for inference. however, they have long ignored the dual nature of informat...
arxiv:2405.13602
in multiple instance multiple label learning, each sample, a bag, consists of multiple instances. to alleviate labeling complexity, each sample is associated with a set of bag - level labels leaving instances within the bag unlabeled. this setting is more convenient and natural for representing complicated objects, whi...
arxiv:2107.10804
we prove that for every convex body $ k $ with the center of mass at the origin and every $ \ varepsilon \ in \ left ( 0, \ frac { 1 } { 2 } \ right ) $, there exists a convex polytope $ p $ with at most $ e ^ { o ( d ) } \ varepsilon ^ { - \ frac { d - 1 } { 2 } } $ vertices such that $ ( 1 - \ varepsilon ) k \ subset...
arxiv:1705.01867
the use of modern effective field theory techniques has sparked significant developments in many areas of physics, including the study of gravity. case in point, such techniques have recently been used to show that binary black holes can amplify incident, low - frequency radiation due to an interplay between absorption...
arxiv:2004.03570
interpretability of neural networks and their underlying theoretical behavior remain an open field of study even after the great success of their practical applications, particularly with the emergence of deep learning. in this work, nn2poly is proposed : a theoretical approach to obtain an explicit polynomial model th...
arxiv:2112.11397
for a graph $ g = ( v, e ) $ and a set $ s \ subseteq v ( g ) $ of size at least $ 2 $, a path in $ g $ is said to be an $ s $ - path if it connects all vertices of $ s $. two $ s $ - paths $ p _ 1 $ and $ p _ 2 $ are said to be internally disjoint if $ e ( p _ 1 ) \ cap e ( p _ 2 ) = \ emptyset $ and $ v ( p _ 1 ) \ c...
arxiv:2008.04051
we present an analysis of the nature of the rapidly rotating, apparently single giant based on rotational and radial velocity measurements carried out by the coravel spectrometers. from the analyzed sample, composed of 2010 spectroscopic, apparently single, evolved stars of luminosity classes iv, iii, ii, and ib with s...
arxiv:1503.03447
bose - einstein correlations of identical charged - pion pairs produced in hadronic z decays are analyzed in terms of various parametrizations. the tau - model with a one - sided l \ ' evy proper - time distribution provides a good description, enabling the source function to be reconstructed.
arxiv:0901.3957
systems of hard shapes crystallize due to entropy. how is entropy distributed among translational and rotational microscopic contributions? we answer this question by decomposing thermal fluctuation of crystals of hard hexagons into collective modes, a generalization and quantification of the onsager picture of hard ro...
arxiv:1803.05936
we study the temperature regimes of the 1d interacting gas to determine when the matter wave ( c - field ) theory is, in fact, correct and usable. the judgment is made by investigating the level of discrepancy in many observables at once in comparison to the exact yang - yang theory. we also determine what cutoff maxim...
arxiv:1808.10251
to achieve security in wireless networks, it is important to be able to encrypt and authenticate messages sent among sensor nodes. due to resource constraints, achieving such key agreement in wireless sensor networks in nontrivial. blom ' s scheme is a symmetric key exchange protocol used in cryptography. in this paper...
arxiv:1303.7457
peppers, saying " when people do try and compare us, it ' s usually with those two bands. " in addition to these influences, the band became interested in emerging electronic genres like drum and bass around the making of s. c. i. e. n. c. e., with their previous full - length album fungus amongus having no influence f...
https://en.wikipedia.org/wiki/S.C.I.E.N.C.E.
multifractal analysis and extensive statistical tests are performed upon intraday minutely data within individual trading days for four stock market indexes ( including hsi, szsc, s & p500, and nasdaq ) to check whether the indexes ( instead of the returns ) possess multifractality. we find that the mass exponent $ \ t...
arxiv:0706.2140
training deep neural networks using simulations typically requires very large numbers of simulated events. this can be a large computational burden and a limitation in the performance of the deep learning algorithm when insufficient numbers of events can be produced. we investigate the use of transfer learning, where a...
arxiv:2207.03139
we study the problem of disentangling locked processes via code refactoring. we identify and characterise a class of processes that is not lock - free ; then we formalise an algorithm that statically detects potential locks and propose refactoring procedures that disentangle detected locks. our development is cast with...
arxiv:1508.03901
we consider quantum wave propagation in one - dimensional quasiperiodic lattices. we propose an iterative construction of quasiperiodic potentials from sequences of potentials with increasing spatial period. at each finite iteration step the eigenstates reflect the properties of the limiting quasiperiodic potential pro...
arxiv:1405.1694
kirillov ' s orbit theory provides a powerful tool for the investigation of irreducible unitary representations of many classes of lie groups. in a previous paper we used a modification hereof, called monomial linearisation, to construct a monomial basis of the regular representation of $ p $ - sylow subgroups $ u $ of...
arxiv:1802.08344
active nematics, in their pure form, have demonstrated a plethora of dynamic and steady state behaviors, including large - scale dynamic structures, collective flows, and intricate multi - spatial temporal dynamics. this complexity further increases in the presence of external polar agents. we investigate active nemati...
arxiv:2407.05861
we propose a randomised subspace gauss - newton ( r - sgn ) algorithm for solving nonlinear least - squares optimization problems, that uses a sketched jacobian of the residual in the variable domain and solves a reduced linear least - squares on each iteration. a sublinear global rate of convergence result is presente...
arxiv:2211.05727
the goal of the paper is to develop the theory of finite state mean field games with major and minor players when the state space of the game is finite. we introduce the finite player games and derive a mean field game formulation in the limit when the number of minor players tends to infinity. in this limit, we prove ...
arxiv:1610.05408
we present analysis of a homogeneous, optically selected, volume - limited ( $ 0. 2 < z < 0. 3 $ ) sample of 128 radio - quiet quasi - stellar objects ( qsos ) recently observed at 6 ghz with the very large array ( vla ) in a - configuration ( $ \ sim0. 33 ' ' $ resolution ). we compare these new results to earlier ( 2...
arxiv:2207.13792
despite a rapid rise in the quality of built - in smartphone cameras, their physical limitations - small sensor size, compact lenses and the lack of specific hardware, - impede them to achieve the quality results of dslr cameras. in this work we present an end - to - end deep learning approach that bridges this gap by ...
arxiv:1704.02470
the effect of the surface curvature on the magnetic moment and persistent currents in two - dimensional ( 2d ) quantum rings and dots is investigated. it is shown that the surface curvature decreases the spacing between neighboring maxima of de haas - - van alphen ( dhva ) type oscillations of the magnetic moment of a ...
arxiv:cond-mat/0308500
we present a computer simulation study on crystal nucleation and growth in supersaturated suspensions of mono - disperse hard spheres induced by a triangular lattice substrate. the main result is that compressed substrates are wet by the crystalline phase ( the crystalline phase directly appears without any induction t...
arxiv:1108.5440
radiation detection is vital for space, medical imaging, homeland security, and environmental monitoring applications. in the past, the monte carlo radiation transport toolkit, geant4, has been employed to enable the effective development of emerging technologies in these fields. radiation detectors utilising scintilla...
arxiv:2403.02668
the discrepancy between the values of the hubble constant $ h _ 0 $ derived from the local distance ladder and the cosmic microwave background provides a tantalising hint of new physics. we explore a potential resolution involving screened fifth forces in the local universe, which alter the cepheid calibration of super...
arxiv:1907.03778
traditionally, on - demand, rigid, and malleable applications have been scheduled and executed on separate systems. the ever - growing workload demands and rapidly developing hpc infrastructure trigger the interest of converging these applications on a single hpc system. although allocating the hybrid workloads within ...
arxiv:2109.05412
ultradense dark matter halos ( udmhs ) are high concentrations of dark matter, assumed to have formed deep in the radiation - dominated era from amplified primordial perturbations. in this work we improve the previous works for the calculation of udmh abundance by elaborating on the formation process of these halos by ...
arxiv:2311.15307
connecting the composition of planet - forming disks with that of gas giant exoplanet atmospheres, in particular through c / o ratios, is one of the key goals of disk chemistry. small hydrocarbons like $ \ rm c _ 2h $ and $ \ rm c _ 3h _ 2 $ have been identified as tracers of c / o, as they form abundantly under high c...
arxiv:2102.09577
surface parameterization plays a fundamental role in many science and engineering problems. in particular, as genus - 0 closed surfaces are topologically equivalent to a sphere, many spherical parameterization methods have been developed over the past few decades. however, in practice, mapping a genus - 0 closed surfac...
arxiv:2311.01788
we report on deep multi - color imaging ( r _ 5 - sigma = 26 ) of the chandra deep field south, obtained with the wide field imager ( wfi ) at the mpg / eso 2. 2 m telescope on la silla as part of the combo - 17 survey. as a result we present a catalog of 63501 objects in a field measuring 31. 5 ' x 30 ' with astrometr...
arxiv:astro-ph/0012474
we investigate the reach of the ligo / virgo / kagra detectors in the search for signatures of first - order phase transitions in the early universe. utilising data from the first three observing runs, we derive constraints on the parameters of the underlying gravitational - wave background, focusing on transitions cha...
arxiv:2209.14707
considering the results from ho \ v { r } ava - lifshitz ( hl ) theory, a more precise relation between the number of bits and area in the holographic system is proposed. with this corrected relation and debye model, two modified friedmann equations are derived from the hawking temperature and the unruh temperature sep...
arxiv:1007.2985
we report temperature dependent magnetization and neutron diffraction measurements on the corundum related magnetoelectric antiferromagnet mn $ _ { 4 } $ ta $ _ { 2 } $ o $ _ { 9 } $. measurements performed on a single crystalline specimen reveal that the magnetization is anisotropic, and a weak ferromagnetic component...
arxiv:1904.10671
a nonlinear rlc resonator is investigated experimentally and numerically using bifurcation analysis. the nonlinearity is due to the parallel combination of a semiconductor rectifier diode and a fixed capacitor. the diode ' s junction capacitance, diffusion capacitance, and dc current - voltage relation each contribute ...
arxiv:2403.17947
we reconsider the extrinsic and possible intrinsic cpt violation in neutrino oscillations, and point out an identity, i. e., $ a ^ { \ rm cp } _ { \ alpha \ beta } = a ^ { \ rm cpt } _ { \ beta \ alpha } + a ^ { \ rm t } _ { \ alpha \ beta } $, among the cp, t, and cpt asymmetries in oscillations. for three - flavor os...
arxiv:1408.4722
we present evidence that the accretion of warm gas onto the galaxy today is at least as important as cold gas accretion. for more than a decade, the source of the bright h - alpha emission ( up to 750 mr ) along the magellanic stream has remained a mystery. we present a hydrodynamical model that explains the known prop...
arxiv:0811.2467
we consider a nonlocal parabolic equation describing the dynamics of a population structured by a spatial position and a phenotypic trait, submitted to dispersion, mutations and growth. the growth term may be of the fisher - kpp type but may also be subject to an allee effect which can be weak ( non - kpp monostable no...
arxiv:2009.09657
heterogeneous hardware like gaudi processor has been developed to enhance computations, especially matrix operations for transformer - based large language models ( llms ) for generative ai tasks. however, our analysis indicates that transformers are not fully optimized on such emerging hardware, primarily due to inade...
arxiv:2412.19829
in this paper, we investigate the resource allocation algorithm design for full - duplex simultaneous wireless information and power transfer ( fd - swipt ) systems. the considered system comprises a fd radio base station, multiple single - antenna half - duplex ( hd ) users, and multiple energy harvesters equipped wit...
arxiv:1510.01434
recent advances in large language models ( llms ) have propelled conversational ai from traditional dialogue systems into sophisticated agents capable of autonomous actions, contextual awareness, and multi - turn interactions with users. yet, fundamental questions about their capabilities, limitations, and paths forwar...
arxiv:2504.16939
emerging universal computational aberration correction ( cac ) paradigms provide an inspiring solution to light - weight and high - quality imaging without repeated data preparation and model training to accommodate new lens designs. however, the training databases in these approaches, i. e., the lens libraries ( lensl...
arxiv:2409.05809
one efficient method to probe the direct vicinity of smbhs in nearby galaxies is to make use of the detection of flares from tidally disrupted stars ( e. g., lidskii & ozernoi 1979, rees 1988 ). the first few excellent candidates for the occurrence of this process in non - active galaxies have emerged recently. here, w...
arxiv:astro-ph/0001264
an abstract $ n $ - polytope $ \ mathcal { p } $ is a partially - ordered set which captures important properties of a geometric polytope, for any dimension $ n $. for even $ n \ ge 2 $, the incidences between elements in the middle two layers of the hasse diagram of $ \ mathcal { p } $ give rise to the medial layer gr...
arxiv:2406.13848
we define fractional derivatives $ \ pppa $ in sobolev spaces based on $ l ^ p ( 0, t ) $ by an operator theory, and characterize the domain of $ \ pppa $ in subspaces of the sobolev - slobodecki spaces $ w ^ { \ alpha, p } ( 0, t ) $. moreover we define $ \ pppa u $ for $ u \ in l ^ p ( 0, t ) $ in a sense of distribu...
arxiv:2201.07094
the first goal of this paper is to show that discreteness, locality, and relativistic covariance can peacefully coexist if the ordinary spacetime ( ost ) is replaced with phase spacetime ( pst ) as a geometric background of a poisson process, where pst is a spacetime generalization of a notion of phase space ( this is ...
arxiv:0910.2498
the design of widespread vision - and - language datasets and pre - trained encoders directly adopts, or draws inspiration from, the concepts and images of imagenet. while one can hardly overestimate how much this benchmark contributed to progress in computer vision, it is mostly derived from lexical databases and imag...
arxiv:2109.13238
the symmetries of the minimal $ \ phi ^ 4 $ theory on the lattice are systematically analyzed. we find that symmetry can restrict trajectories to subspaces, while their motions are still chaotic. the chaotic dynamics of autonomous hamiltonian systems are discussed, in relation to the thermodynamic laws. possibilities o...
arxiv:1801.02865
we study how observationally to distinguish between a cosmological constant ( cc ) and an evolving dark energy with equation of state $ \ omega ( z ) $. we focus on the value of redshift z * at which the cosmic late time acceleration begins and $ \ ddot { a } ( z ^ { * } ) = 0 $. four $ \ omega ( z ) $ are studied, inc...
arxiv:1103.2480
in this paper we introduce cue - net, a novel architecture designed for automated violence detection in video surveillance. as surveillance systems become more prevalent due to technological advances and decreasing costs, the challenge of efficiently monitoring vast amounts of video data has intensified. cue - net addr...
arxiv:2404.18952
ecological communities exhibit pervasive patterns and inter - relationships between size, abundance, and the availability of resources. we use scaling ideas to develop a unified, model - independent framework for understanding the distribution of tree sizes, their energy use and spatial distribution in tropical forests...
arxiv:1005.1265
we provide a complete study of existence and uniqueness of solutions to the lichnerowicz equation in general relativity with arbitrary mean curvature.
arxiv:1911.06381
scanning tunneling microscopy images of hydrogen - terminated si ( 110 ) surfaces are studied using first - principles calculations. our results show that the calculated filled - state images and local density of states are consistent with recent experimental results, and the empty - state images appear significantly d...
arxiv:cond-mat/0502381
it is shown that the cubic derivative nonlinear schr \ " odinger equation is locally well - posed in besov spaces $ b ^ { s } _ { 2, \ infty } ( \ mathbb x ) $, $ s \ ge \ tfrac12 $, where we treat the non - periodic setting $ \ mathbb x = \ mathbb r $ and the periodic setting $ \ mathbb x = \ mathbb t $ simultaneously...
arxiv:1611.05628
we apply the hurst exponent idea for investigation of djia index time - series data. the behavior of the local hurst exponent prior to drastic changes in financial series signal is analyzed. the optimal length of the time - window over which this exponent can be calculated in order to make some meaningful predictions i...
arxiv:cond-mat/0311627
a costas array of order $ n $ is an arrangement of dots and blanks into $ n $ rows and $ n $ columns, with exactly one dot in each row and each column, the arrangement satisfying certain specified conditions. a dot occurring in such an array is even / even if it occurs in the $ i $ - th row and $ j $ - th column, where...
arxiv:0706.3313
the magnetostructural transitions and magnetoelectric effects reported in tbmn2o5 are described theoretically and shown to correspond to two essentially different mechanisms for the induced ferroelectricity. the incommensurate and commensurate phases observed between 38 and 24 k exhibit a hybrid pseudoproper ferroelect...
arxiv:1001.3794
continuous variable quantum key distribution bears the promise of simple quantum key distribution directly compatible with commercial off the shelf equipment. however, for a long time its performance was hindered by the absence of good classical postprocessing capable of distilling secret - keys in the noisy regime. ad...
arxiv:2501.11009
we study the asymptotic spatial behavior of the vorticity field, $ \ omega ( x, t ) $, associated to a time - periodic navier - stokes flow past a body, $ \ mathscr b $, in the class of weak solutions satisfying a serrin - like condition. we show that, outside the wake region, $ \ mathcal r $, $ \ omega $ decays pointw...
arxiv:2011.12579
it is shown using three series of rayleigh number simulations of varying aspect ratio ar and prandtl number pr that the normalized dissipation at the wall, while significantly greater than 1, approaches a constant dependent upon ar and pr. it is also found that the peak velocity, not the mean square velocity, obeys the...
arxiv:nlin/0012061
transition metal dichalcogenides exhibit many unexpected properties including two - dimensional ( 2d ) superconductivity as the interlayer coupling being weakened upon either layer - number reduction or chemical intercalation. here we report the realization of 2d superconductivity in the newly - synthesized niobium dic...
arxiv:2411.12231
we show that the only way of changing the framing of a link by ambient isotopy in an oriented $ 3 $ - manifold is when the manifold has a properly embedded non - separating $ s ^ 2 $. this change of framing is given by the dirac trick, also known as the light bulb trick. the main tool we use is based on mccullough ' s ...
arxiv:2001.07782
we present a model - independent method to reconstruct the impact parameter distributions of experimental data for intermediate energy heavy ion collisions, adapted from a recently proposed approach for ultra - relativistic heavy ion collisions. the method takes into account the fluctuations which are inherent to the r...
arxiv:2011.04496
we calculate the critical exponents $ \ omega _ \ pm $ in the $ d $ - dimensional gross - neveu model in $ 1 / n $ expansion with $ 1 / n ^ 2 $ accuracy. these exponents are related to the slopes of the $ \ beta $ - functions at the critical point in the gross - neveu - yukawa model. they have been computed recently to...
arxiv:1711.02493
this paper deepens into the relations between coarse spaces and compactifications, by defining a $ c _ 0 $ coarse structure attached to a family of pseudometrics. this definition allow us to give a more topological point of view on the relations between coarse structures and compactifications - - - like the higson - ro...
arxiv:1410.2756
despite the progress made by multimodal large language models ( mllms ) in computational pathology, they remain limited by a predominant focus on patch - level analysis, missing essential contextual information at the whole - slide level. the lack of large - scale instruction datasets and the gigapixel scale of whole s...
arxiv:2410.11761
sorting is a fundamental operation in computer science and is a bottleneck in many important fields. sorting is critical to database applications, online search and indexing, biomedical computing, and many other applications. the explosive growth in computational power and availability of gpu coprocessors has allowed s...
arxiv:1709.02520
it is known that unconfined dust explosions consist of a relatively weak primary ( turbulent ) deflagrations followed by a devastating secondary explosion. the secondary explosion may propagate with a speed of up to 1000 m / s producing overpressures of over 8 - 10 atm. since detonation is the only established theory t...
arxiv:1710.02843
diversity plays a crucial role in multiple contexts such as team formation, representation of minority groups and generally when allocating resources fairly. given a community composed by individuals of different types, we study the problem of partitioning this community such that the global diversity is preserved as m...
arxiv:2107.04674
given a graph $ g $ with vertex set $ v $, an outer independent roman dominating function ( oirdf ) is a function $ f $ from $ v ( g ) $ to $ \ { 0, 1, 2 \ } $ for which every vertex with label $ 0 $ under $ f $ is adjacent to at least a vertex with label $ 2 $ but not adjacent to another vertex with label $ 0 $. the w...
arxiv:2410.06486
we describe the design and implementation of a 2d optical lattice of double wells suitable for isolating and manipulating an array of individual pairs of atoms in an optical lattice. atoms in the square lattice can be placed in a double well with any of their four nearest neighbors. the properties of the double well ( ...
arxiv:cond-mat/0602103
we consider reaction - diffusion equations on the planar square lattice that admit spectrally stable planar travelling wave solutions. we show that these solutions can be continued into a branch of travelling corners. as an example, we consider the monochromatic and bichromatic nagumo lattice differential equation and ...
arxiv:1901.02319
the ability to learn compact, high - quality, and easy - to - optimize representations for visual data is paramount to many applications such as novel view synthesis and 3d reconstruction. recent work has shown substantial success in using tensor networks to design such compact and high - quality representations. howev...
arxiv:2406.04332
we first recall the connection, going back to a. thue, between rational approximation to algebraic numbers and integer solutions of some diophantine equations. next we recall the equivalence between several finiteness results on various diophantine equations. we also give many equivalent statements of mahler ' s genera...
arxiv:1312.7200
humans acquire and accumulate knowledge through language usage and eagerly exchange their knowledge for advancement. although geographical barriers had previously limited communication, the emergence of information technology has opened new avenues for knowledge exchange. however, it is unclear which communication path...
arxiv:2202.01466
hayden and preskill proposed a thought experiment that bob can recover the information alice throws into a black hole if he has a quantum computer entangled with the black hole, and yoshida and kitaev recently proposed a concrete decoding scheme. the parallel question is that after a small system is thermalized with a ...
arxiv:1909.12568
we study medium - modifications of the gluon splitting into a quark and anti - quark pair. applying the baier - dokshitzer - mueller - peign \ ' e - schiff and zakharov ( bdmps - z ) formalism, we derive a path - integral formula for the in - medium $ g \ to q \ bar { q } $ splitting function in the close - to - eikona...
arxiv:2209.15433
hh 211 is a nearby young protostellar system with a highly collimated jet. we have mapped it in 352 ghz continuum, sio ( j = 8 - 7 ), and hco + ( j = 4 - 3 ) emission at up to ~ 0. 2 " resolution with the submillimeter array ( sma ). the continuum source is now resolved into two sources, smm1 and smm2, with a separatio...
arxiv:0905.1747
in this paper we consider a classical model of gasless combustion in a one dimensional formulation under the assumption of ignition temperature kinetics. we study the propagation of flame fronts in this model when the initial distribution of the solid fuel is a spatially periodic function that varies on a large scale. ...
arxiv:2403.03144
i introduce a temporal belief - network representation of causal independence that a knowledge engineer can use to elicit probabilistic models. like the current, atemporal belief - network representation of causal independence, the new representation makes knowledge acquisition tractable. unlike the atemproal represent...
arxiv:1303.1468