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quantum categories have been recently studied because of their relation to bialgebroids, small categories, and skew monoidales. this is the first of a series of papers based on the author ' s phd thesis in which we examine the theory of quantum categories developed by day, lack, and street. a quantum category is an opm... | arxiv:1802.01827 |
we have considered a system of a metallic ring coupled to two electron reservoirs. we show that in the presence of a transport current, the persistent current can flow in a ring, even in the absence of magnetic field. this is purely a quantum effect and is related to the current magnification in the loop. these persist... | arxiv:cond-mat/9501103 |
dislocations in single - phase concentrated random alloys, including high - entropy alloys ( heas ), repeatedly encounter pinning during glide, resulting in jerky dislocation motion. while solute - dislocation interaction is well understood in conventional alloys, the origin of individual pinning points in concentrated... | arxiv:2007.11489 |
given the strong dependence of material structure and properties on the length and strength of constituent bonds and the fact that surface adsorption and chemical reactions are initiated by the formation of bonds between two systems, bonding parameters are of key importance for material design and industrial processes.... | arxiv:2104.08103 |
a consensus is emerging that interacting galaxies show depressed nuclear gas metallicities compared to isolated star - forming galaxies. simulations suggest that this nuclear underabundance is caused by interaction - induced inflow of metal - poor gas, and that this inflow concurrently flattens the radial metallicity g... | arxiv:1009.0761 |
the atlas roman pot system is designed to determine the total proton - proton cross - section as well as the luminosity at the large hadron collider ( lhc ) by measuring elastic proton scattering at very small angles. the system is made of four roman pot stations, located in the lhc tunnel in a distance of about 240 ~ ... | arxiv:1609.00249 |
state - of - the - art algorithms successfully localize and recognize traffic signs over existing datasets, which are limited in terms of challenging condition type and severity. therefore, it is not possible to estimate the performance of traffic sign detection algorithms under overlooked challenging conditions. anoth... | arxiv:1902.06857 |
the efficient conversion of thermal energy to mechanical work by a heat engine is an ongoing technological challenge. since the pioneering work of carnot, it is known that the efficiency of heat engines is bounded by a fundamental upper limit, the carnot limit. theoretical studies suggest that heat engines may be opera... | arxiv:1703.10024 |
we consider a generalization of the jarzynski relation to the case where the system interacts with a bath for which the temperature is not kept constant but can vary during the transformation. we suggest to use this relation as a replacement to the thermodynamic perturbation method or the bennett method for the estimat... | arxiv:cond-mat/0702044 |
this paper presents a complete algebraic analysis of the renormalizability of the $ d = 4 $ operator $ f ^ 2 _ { \ mu \ nu } $ in the gribov - zwanziger ( gz ) formalism as well as in the refined gribov - zwanziger ( rgz ) version. the gz formalism offers a way to deal with gauge copies in the landau gauge. we explicit... | arxiv:0906.4257 |
we consider the heat equation in a domain that has a hole in its interior. we impose a neumann condition on the exterior boundary and a nonlinear robin condition on the boundary of the hole. the shape of the hole is determined by a suitable diffeomorphism $ \ phi $ defined on the boundary of a reference domain. assumin... | arxiv:2406.11365 |
by means of a simple scaling transformation any asymptotically flat papapetrou - majumdar solution of the einstein - maxwell equations corresponding to a localized regular distribution of electrically counterpoised dust can be reformulated as a one - parameter family of solutions admitting a black hole limit. in the li... | arxiv:1105.3807 |
new experimental data from hera explore the region of very small x and small and moderate $ q ^ 2 $. we study the role of unitarity corrections in the description of these data. for that, we propose a model separating the small and large components of the $ q \ bar q $ fluctuation. this model gives a unified descriptio... | arxiv:hep-ph/0106118 |
rapidly growing numerical instabilities routinely occur in multidimensional particle - in - cell computer simulations of plasma - based particle accelerators, astrophysical phenomena, and relativistic charged particle beams. reducing instability growth to acceptable levels has necessitated higher resolution grids, high... | arxiv:1211.0232 |
we give a new proof of a result due to breuil and emerton which relates the splitting behavior at p of the p - adic galois representation attached to a p - ordinary modular form to the existence of an overconvergent p - adic companion form for f. | arxiv:1210.0165 |
automated segmentation can assist radiotherapy treatment planning by saving manual contouring efforts and reducing intra - observer and inter - observer variations. the recent development of deep learning approaches has revoluted medical data processing, including semantic segmentation, by dramatically improving perfor... | arxiv:2009.09571 |
we describe a generalization of the tensorial slip boundary condition, originally justified for a thick ( compared to texture period ) channel, to any channel thickness. the eigenvalues of the effective slip length tensor, however, in general case become dependent on the gap and cannot be viewed as a local property of ... | arxiv:1109.0438 |
we present an implicit - explicit finite volume scheme for the euler equations. we start from the non - dimensionalised euler equations where we split the pressure in a slow and a fast acoustic part. we use a suliciu type relaxation model which we split in an explicit part, solved using a godunov - type scheme based on... | arxiv:1907.08398 |
this is the third of a series of papers on three - loop computation of renormalization constants for lattice qcd. our main point of interest are results for the regularization defined by iwasaki gauge action and n _ f = 4 wilson fermions. our results for quark bilinears renormalized according to the ri ' - mom scheme c... | arxiv:1402.6581 |
multi - view learning methods leverage multiple data sources to enhance perception by mining correlations across views, typically relying on predefined categories. however, deploying these models in real - world scenarios presents two primary openness challenges. 1 ) lack of interpretability : the integration mechanism... | arxiv:2412.12596 |
let $ u : \ r \ times \ r ^ n \ to \ c $ be the solution of the linear schr \ " odinger equation $ iu _ t + \ delta u = 0 $ with initial data $ u ( 0, x ) = f ( x ) $. in the first part of this paper we obtain a sharp inequality for the strichartz norm $ \ | u ( t, x ) \ | _ { l ^ { 2k } _ tl ^ { 2k } _ x ( \ r \ times... | arxiv:0809.4054 |
we propose a novel approach to achieve giant ahe in materials with flat bands ( fbs ). fbs are accompanied by small electronic bandwidths, which consequently increases the momentum separation ( $ k $ ) within pair of weyl points and thus the integrated berry curvature. starting from a simple model with a single pair of... | arxiv:2009.12890 |
we show that for any polynomial $ f ( x, y _ 0, y _ 1, y _ 2 ) \ in \ mathbb { c } [ x, y _ 0, y _ 1, y _ 2 ] $, the equation $ f ( z, j ( z ), j ' ( z ), j ' ' ( z ) ) = 0 $ has a zariski dense set of solutions in the hypersurface $ f ( x, y _ 0, y _ 1, y _ 2 ) = 0 $, unless $ f $ is in $ \ mathbb { c } [ x ] $ or it ... | arxiv:2312.09974 |
this paper introduces conformal thresholded intervals ( cti ), a novel conformal regression method that aims to produce the smallest possible prediction set with guaranteed coverage. unlike existing methods that rely on nested conformal frameworks and full conditional distribution estimation, cti estimates the conditio... | arxiv:2407.14495 |
in this paper, we extend the hake - mcshane and hake - henstock - kurzweil integrals of banach space valued functions from m - dimensional open and bounded sets to m - dimensional sets g such that | g \ go | = 0. we will prove the full descriptive characterizations of new integrals in terms of the locally mcshane and l... | arxiv:1809.08119 |
we investigate accretion of dark matter onto a moving schwarzschild black hole. the dark matter is modeled by the collisionless vlasov gas, assumed to be in thermal equilibrium at infinity. we derive an exact stationary solution and provide a compact formula for the mass accretion rate. in general, the mass accretion r... | arxiv:2103.03595 |
given an oriented rational homology 3 - sphere m, it is known how to associate to any spin ^ c - structure \ sigma on m two quadratic functions over the linking pairing. one quadratic function is derived from the reduction modulo 1 of the reidemeister - turaev torsion of ( m, \ sigma ), while the other one can be defin... | arxiv:math/0301041 |
observations of co isotopologue emission from protoplanetary disks at millimeter wavelengths are a powerful tool for probing the co snowline, an important marker for disk chemistry, and also for estimating total disk gas mass, a key quantity for planet formation. we use simple models to demonstrate that the vertical th... | arxiv:2410.23036 |
the riemann - rock theorem plays a central role in the theory of riemann surfaces with applications to several branches in mathematics and physics. suppose $ x $ ia a compact riemann surface of genus $ g $ and $ p \ in x $. by the riemann - roch theorem there exists a meromorphic function on $ x $ having a pole at $ p ... | arxiv:2407.18286 |
in quantum mechanics, the probability distribution function ( pdf ) and full counting statistics ( fcs ) play a fundamental role in characterizing the fluctuations of quantum observables, as they encode the complete information about these fluctuations. in this letter, we measure these two quantities in a trapped - ion... | arxiv:2501.14424 |
we show that if $ x $ is an $ m $ - dimensional definable set in $ \ mathbb { r } ^ \ text { pow } _ \ text { an } $, the structure of real subanalytic sets with real power maps added, then for any positive integer r there exists a $ c ^ r $ - parameterization of x consisting of $ cr ^ { m ^ 3 } $ maps for some constan... | arxiv:1905.06408 |
securing safe driving for connected and autonomous vehicles ( cavs ) continues to be a widespread concern, despite various sophisticated functions delivered by artificial intelligence for in - vehicle devices. diverse malicious network attacks are ubiquitous, along with the worldwide implementation of the internet of v... | arxiv:2104.04572 |
efficiently modeling sequences with infinite context length has long been a challenging problem. previous approaches have either suffered from quadratic computational complexity or limited extrapolation ability in length generalization. in this work, we present samba, a simple hybrid architecture that layer - wise comb... | arxiv:2406.07522 |
in a banach space $ x $ the linear difference equation with constant coefficients $ x _ { n + p } = a _ 1x _ { n + p - 1 } + \ ldots + a _ px _ n, $ is ulam stable if and only if the roots $ r _ k, $ $ 1 \ leq k \ leq p, $ of its characteristic equation do not belong to the unit circle. if $ | r _ k | > 1, $ $ 1 \ leq ... | arxiv:2007.04654 |
we investigate the propagation characteristics of cauchy - riemann beams in gradient - index media. our study reveals two key findings : a ) the preservation of their form during propagation, and b ) surprisingly, the feasibility of obtaining the fractional fourier transform for any arbitrary entire function. we provid... | arxiv:2311.09541 |
in computer science, thrashing occurs in a system with virtual memory when a computer ' s real storage resources are overcommitted, leading to a constant state of paging and page faults, slowing most application - level processing. this causes the performance of the computer to degrade or even collapse. the situation c... | https://en.wikipedia.org/wiki/Thrashing_(computer_science) |
the ground states of topological orders condense extended objects and support topological excitations. this nontrivial property leads to nonzero topological entanglement entropy $ s _ { topo } $ for conventional topological orders. fracton topological order is an exotic class of models which is beyond the description o... | arxiv:1705.09300 |
this paper is withdrawn because it was already known in the literature that the single function metric ansatz invalidates the effective action method. ( refs : gr - qc / 0306114, gr - qc / 0408067, gr - qc / 0404120, gr - qc / 0506014, 0705. 1669, thanks to s. deser for providing the information. ) | arxiv:1105.4838 |
let $ r $ be a ring, let $ g $ be an amenable group and let $ r \ ast g $ be a crossed product. the goal of this paper is to construct, starting with a suitable additive function $ l $ on the category of left modules over $ r $, an additive function on a subcategory of the category of left modules over $ r \ ast g $, w... | arxiv:1410.8306 |
model binarization has made significant progress in enabling real - time and energy - efficient computation for convolutional neural networks ( cnn ), offering a potential solution to the deployment challenges faced by vision transformers ( vits ) on edge devices. however, due to the structural differences between cnn ... | arxiv:2503.02394 |
the intent of this paper is to describe the large scale asymptotic geometry of iteration stable ( stit ) tessellations in $ \ mathbb { r } ^ d $, which form a rather new, rich and flexible class of random tessellations considered in stochastic geometry. for this purpose, martingale tools are combined with second - orde... | arxiv:1103.3960 |
a hybridized discontinuous galerkin method is proposed for solving 2d fractional convection - diffusion equations containing derivatives of fractional order in space on a finite domain. the riemann - liouville derivative is used for the spatial derivative. combining the characteristic method and the hybridized disconti... | arxiv:1511.06509 |
using the fermionic basis we conjecture exact expressions for diagonal finite volume matrix elements of exponential operators and their descendants in the sinh - gordon theory. our expressions sum up the leclair - mussardo type infinite series generalized by pozsgay for excited state expectation values. we checked our ... | arxiv:1903.06990 |
we prove that any isotropic positive definite function on the sphere can be written as the spherical self - convolution of an isotropic real - valued function. it is known that isotropic positive definite functions on d - dimensional euclidean space admit a continuous derivative of order [ ( d - 1 ) / 2 ]. we show that... | arxiv:1201.5833 |
large language models ( llms ) have shown great potential to solve varieties of natural language processing ( nlp ) tasks, including mathematical reasoning. in this work, we present skymath, a large language model for mathematics with 13 billion parameters. by applying self - compare fine - tuning, we have enhanced mat... | arxiv:2310.16713 |
identifying feature requests and bug reports in user comments holds great potential for development teams. however, automated mining of re - related information from social media and app stores is challenging since ( 1 ) about 70 % of user comments contain noisy, irrelevant information, ( 2 ) the amount of user comment... | arxiv:2108.00663 |
the goal of this paper is, on the one hand, to make available a set of tools and methods to deal with relaxation and 3d - 2d passage with determinant type constraints, and, on the other hand, to give a complete proof of the 3d - 2d passage by gamma - convergence under the constraint determinant positive. | arxiv:0901.3688 |
we introduce a new methodology to study marine heat waves, extreme events in the sea surface temperature ( sst ) of the global ocean. motivated by previously large and impactful marine heat waves and by theoretical expectation that the dominant heating processes coherently affect large regions of the ocean, we introduc... | arxiv:2304.07436 |
we investigate salt crystallization in porous media that can lead to their disintegration. for sodium sulfate we show for the first time experimentally that when anhydrous crystals are wetted with water, there is very rapid growth of the hydrated form of sulfate in clusters that nucleate on anhydrous salt micro crystal... | arxiv:0906.2502 |
in many applications, researchers seek to identify overlapping entities across multiple data files. record linkage algorithms facilitate this task, in the absence of unique identifiers. as these algorithms rely on semi - identifying information, they may miss records that represent the same entity, or incorrectly link ... | arxiv:2406.14717 |
we show that an r - parity violating supersymmetric scenario which can account for the atmospheric nu ( mu ) deficit has testable signals at the fermilab tevatron with upgraded energy and luminosity. the explanation of neutrino masses and maximal nu ( mu ) - nu ( tau ) oscillation in terms of bilinear r - violating ter... | arxiv:hep-ph/9910296 |
diffusion - based image generators can now produce high - quality and diverse samples, but their success has yet to fully translate to 3d generation : existing diffusion methods can either generate low - resolution but 3d consistent outputs, or detailed 2d views of 3d objects but with potential structural defects and l... | arxiv:2308.14244 |
in this paper, we address a distributed control problem for a system of partial differential equations describing the evolution of a tumor that takes the biological mechanism of chemotaxis into account. the system describing the evolution is obtained as a nontrivial combination of a cahn - hilliard type system accounti... | arxiv:2309.09052 |
a general nonautonomous mackey - glass equation for the regulation of the hematopoiesis with several non - constant delays is studied. using topological degree methods, we prove the existence and multiplicity of positive periodic solutions. | arxiv:1503.04087 |
parametric timed automata extend the standard timed automata with the possibility to use parameters in the clock guards. in general, if the parameters are real - valued, the problem of language emptiness of such automata is undecidable even for various restricted subclasses. we thus focus on the case where parameters a... | arxiv:1504.07838 |
bayesian inference is applied to the level fluctuations of two coupled microwave billiards in order to extract the coupling strength. the coupled resonators provide a model of a chaotic quantum system containing two coupled symmetry classes of levels. the number variance is used to quantify the level fluctuations as a ... | arxiv:physics/9910035 |
there are strong reasons from dc and pulsed - current measurements, and from thermal conductivity results, for thinking that narrow channels through films of oxidised atatic polypropylene ( oapp ) are superconducting at room temperature. it is thought that the conducting channels, with diameters less than or of the ord... | arxiv:cond-mat/0410503 |
most communication networks are complex. in this paper, we address one of the fundamental problems we are facing nowadays, namely, how we can efficiently protect these networks. to this end, we study an immunization strategy and found that it works as good as targeted immunization, but using only local information abou... | arxiv:physics/0508091 |
we derive the steady state properties of a general directed ` ` sandpile ' ' model in one dimension. using a central limit theorem for dependent random variables we find the precise conditions for the model to belong to the universality class of the totally asymmetric oslo model, thereby identifying a large universalit... | arxiv:cond-mat/0512622 |
with the advent of public access to small gate - based quantum processors, it becomes necessary to develop a benchmarking methodology such that independent researchers can validate the operation of these processors. we explore the usefulness of a number of simple quantum circuits as benchmarks for gate - based quantum ... | arxiv:1706.04341 |
we investigate the smith - purcell emission produced by electron - or ion - beam - driven coherent excitation of nuclei arranged in periodic crystal lattices. the excitation and subsequent radiative decay of the nuclei can leave the target in the initial ground state after $ \ gamma $ - ray emission, thus generating a ... | arxiv:2203.05990 |
planar parts of conformal dimensions of primary operators in $ u _ k ( n ) \ times u _ { - k } ( n ) $ abjm theory are controlled by integrability. strong coupling asymptotics of planar dimensions of operators with large spins can be found from the energy of semiclassical strings in ads $ _ { 4 } \ times $ cp $ ^ 3 $ b... | arxiv:2503.09360 |
practically, we are often in the dilemma that the labeled data at hand are inadequate to train a reliable classifier, and more seriously, some of these labeled data may be mistakenly labeled due to the various human factors. therefore, this paper proposes a novel semi - supervised learning paradigm that can handle both... | arxiv:1902.07429 |
in this note, we prove $ p ^ 2 $ is a morley pseudoprime ( of order 2 ) iff $ p ^ 2 $ is a wolstenholme pseudoprime ( of order 2 ) iff $ p $ is a wolstenholme prime iff $ p $ is a morley prime. concerning pseudoprimes of order 1 that are not powers of primes, only 3 are known of wolstenholme ' s type and absolutely non... | arxiv:1306.2005 |
we discuss the cosmological evolution of a scalar field with non standard kinetic term in terms of a renormalization group equation ( rge ). in this framework inflation corresponds to the slow evolution in a neighborhood of a fixed point and universality classes for inflationary models naturally arise. using some examp... | arxiv:1611.07019 |
a curve shortening equation related to the evolution of grain boundaries is presented. this equation is derived from the grain boundary energy by applying the maximum dissipation principle. gradient estimates and large time asymptotic behavior of solutions are considered. in the proof of these results, one key ingredie... | arxiv:2002.01617 |
##rn dettwiler founded macdonald, dettwiler and associates. 1993 : mda sells its electro - optical division ( eop ) based in richmond canada to a swiss private equity firm which merges with cymbolic sciences based in california. 1995 : mda was acquired by orbital sciences for $ 67 million in stock 1996 : acquired iotek... | https://en.wikipedia.org/wiki/Maxar_Technologies |
within the context of the usual semi classical investigation of planck scale schwarzchild black holes, as in quantum gravity, and later attempts at a full quantum mechanical description in terms of a kerr - newman metric including the spinorial behaviour, we attempt to present a formulation that extends from the planck... | arxiv:quant-ph/9809032 |
we investigate the diffraction of a slow symmetric tm mode by an open - ended corrugated cylindrical waveguide with a flange. this mode can be generated, in particular, by a charged particle bunch moving along the waveguide axis. we analyze the so - called ' ' longwave ' ' range when the wavelengths and the waveguide r... | arxiv:2305.04371 |
the spectrum of singly - ionized iron ( fe ii ) has been recorded using high - resolution fourier transform and grating spectroscopy over the wavelength range 900 { \ aa } to 5. 5 { \ mu } m. the spectra were observed in high - current continuous and pulsed hollow cathode discharges using fourier transform ( ft ) spect... | arxiv:1210.4773 |
a theory for studying the dynamic scaling properties of branes and relativistic topological defect networks is presented. the theory, based on a relativistic version of the level set method, well - known in other contexts, possesses self - similar ` ` scaling ' ' solutions, for which one can calculate many quantities o... | arxiv:hep-ph/0207267 |
we present a new dataset for 6 - dof pose estimation of known objects, with a focus on robotic manipulation research. we propose a set of toy grocery objects, whose physical instantiations are readily available for purchase and are appropriately sized for robotic grasping and manipulation. we provide 3d scanned texture... | arxiv:2203.05701 |
we study the categories of discrete modules for topological rings arising as the rings of operations in various kinds of topological k - theory. we prove that for these rings the discrete modules coincide with those modules which are locally finitely generated over the ground ring. | arxiv:1010.4668 |
for integers $ d \ geq 1 $ and $ k \ geq d + 1 $, the \ textsc { distance coloring } problem asks if a given graph $ g $ has a $ ( d, k ) $ - coloring, i. e., a coloring of the vertices of $ g $ by $ k $ colors such that any two vertices within distance $ d $ from each other have different colors. in particular, the we... | arxiv:2402.12705 |
in many natural language processing ( nlp ) tasks the same input ( e. g. source sentence ) can have multiple possible outputs ( e. g. translations ). to analyze how this ambiguity ( also known as intrinsic uncertainty ) shapes the distribution learned by neural sequence models we measure sentence - level uncertainty by... | arxiv:2204.00471 |
the detection of spectral bands at 3. 06 um by micromega, combined with the chemical identification of other nh - containing organic molecules in ryugu samples, suggests the presence of potential nh - bearing compounds. however, the chemical forms of these nh - rich compounds, whether associated with n - rich organics,... | arxiv:2503.11471 |
in [ 10 ], the existence of $ \ mathbb { f } _ q $ - linear mrd - codes of $ \ mathbb { f } _ q ^ { 6 \ times 6 } $, with dimension $ 12 $, minimum distance $ 5 $ and left idealiser isomorphic to $ \ mathbb { f } _ { q ^ 6 } $, defined by a trinomial of $ \ mathbb { f } _ { q ^ 6 } [ x ] $, when $ q $ is odd and $ q \ ... | arxiv:1907.08122 |
stein variational gradient descent ( svgd ), a popular sampling algorithm, is often described as the kernelized gradient flow for the kullback - leibler divergence in the geometry of optimal transport. we introduce a new perspective on svgd that instead views svgd as the ( kernelized ) gradient flow of the chi - square... | arxiv:2006.02509 |
evaluation of counterfactual queries ( e. g., " if a were true, would c have been true? " ) is important to fault diagnosis, planning, and determination of liability. in this paper we present methods for computing the probabilities of such queries using the formulation proposed in [ balke and pearl, 1994 ], where the a... | arxiv:1302.6784 |
the use of crowdworkers in nlp research is growing rapidly, in tandem with the exponential increase in research production in machine learning and ai. ethical discussion regarding the use of crowdworkers within the nlp research community is typically confined in scope to issues related to labor conditions such as fair ... | arxiv:2104.10097 |
measuring the built and natural environment at a fine - grained scale is now possible with low - cost urban environmental sensor networks. however, fine - grained city - scale data analysis is complicated by tedious data cleaning including removing outliers and imputing missing data. while many methods exist to automat... | arxiv:2109.00596 |
bulk rhombohedral bismuth ( bi ) at ambient pressure is a semimetal and it remains in the normal state down to 10 ~ mk. the superconductivity ( sc ) in bulk bi is thought to be very unlikely due to extremely low carrier density. the question of sc in bi has remained unsolved both theoretically and experimentally. here,... | arxiv:1603.04310 |
aquaporins ( aqps ) are a family of transmembrane channels that are found from archaea, eubacteria, and fungi kingdoms to plants and animals. these proteins play a major role in water and small solutes transport across biological cell membranes and maintain the osmotic balance of living cells. in this sense, many works... | arxiv:2302.12145 |
in this paper we present the quantity, which is an entanglement parameter. its origin is very intriguing, because its construction is motivated by separability criteria based on uncertainty relation. we show that this quantity is asymptotically continuous. we also find the lower and upper bounds for it. our entanglemen... | arxiv:quant-ph/0608201 |
using the well - known olami - feder - christensen model as our paradigm, we show how to modify uniform driven self - organized critical models to generate $ 1 / f ^ \ alpha $ noise. our model can reproduce all the main features of $ 1 / f ^ \ alpha $ noise : ( 1 ) $ \ alpha $ is close to one and does not depend on the... | arxiv:cond-mat/0010158 |
we determine the sub - collections of the dyadic intervals that are able to detect the haar type of a banach space. the underlying dichotomy is expressed in terms of the carleson packing condition. | arxiv:0902.1955 |
we show that an internal localization mobility edge can appear around the fermi energy in graphene by introducing impurities in the split - band regimen, or by producing vacancies in the lattice. the edge appears at the center of the spectrum and not at the band edges, in contrast with the usual picture of localization... | arxiv:0707.1013 |
graph neural networks ( gnns ) have emerged as fundamental tools for a wide range of prediction tasks on graph - structured data. recent studies have drawn analogies between gnn feature propagation and diffusion processes, which can be interpreted as dynamical systems. in this paper, we delve deeper into this perspecti... | arxiv:2410.05593 |
milestone for both civil engineering and geological engineering = = = geological engineering as a discipline = = = although projects that applied geological engineering principles in their design and construction have been around for thousands of years, these were included within the civil engineering discipline for mo... | https://en.wikipedia.org/wiki/Geological_engineering |
we present a novel cooling method that uses the phase separation and evaporative cooling of 3he to reach and continuously maintain sub - kelvin temperatures. while less complex than a dilution refrigerator, the system performs similarly to a continuous 3he cryostat but with a simpler design, a more efficient cooldown p... | arxiv:2503.10754 |
we prove that, generically, magnetic geodesics on surfaces will turn away from points with lightlike tangent planes, and we motivate our result with numerical solutions for closed magnetic geodesics. | arxiv:1604.02009 |
dynamic item response models extend the standard item response theory ( irt ) to capture temporal dynamics in learner ability. while these models have the potential to allow instructional systems to actively monitor the evolution of learner proficiency in real time, existing dynamic item response models rely on expensi... | arxiv:2311.08594 |
for a fixed simple digraph $ h $ without isolated vertices, we consider the problem of deleting arcs from a given tournament to get a digraph which does not contain $ h $ as an immersion. we prove that for every $ h $, this problem admits a polynomial kernel when parameterized by the number of deleted arcs. the degree ... | arxiv:2208.07789 |
for magnetic materials containing many lattice imperfections ( e. g., nanocrystalline magnets ), the relativistic dzyaloshinski - moriya ( dm ) interaction may result in nonuniform spin textures due to the lack of inversion symmetry at interfaces. within the framework of the continuum theory of micromagnetics, we explo... | arxiv:1605.08586 |
starting from the idea of tsallis on non - extensive statistical mechanics and the { \ it q - entropy } notion, we recall the theil index $ th $ and transform it into the $ th _ q $ index. both indices can be used to map onto themselves any time series in a non linear way. we develop an application of the $ th _ q $ to... | arxiv:0812.1018 |
we exploit the inherent entanglement of the ground state of a spin chain with dimerized xx or xxz hamiltonian to investigate the entanglement generation between the ends of the chain. we follow the strategy has been introduced in ref. [ 14 ] to encode the information in the entangled ground state of the system by local... | arxiv:1210.7245 |
unsupervised approaches to learning in neural networks are of substantial interest for furthering artificial intelligence, both because they would enable the training of networks without the need for large numbers of expensive annotations, and because they would be better models of the kind of general - purpose learnin... | arxiv:1903.12355 |
we show that for fields that are of characteristic 0 or algebraically closed of characteristic greater than 5, that certain classes of leibniz algebras are 2 - recognizeable. these classes are solvable, strongly solvable and super solvable. these results hold in lie algebras and in general for groups. | arxiv:1407.8227 |
the paper formulates maxwell ' s equations in 4 - dimensional euclidean space by embedding the electromagnetic vector potential in the frame vector $ g _ 0 $. relativistic electrodynamics is the first problem tackled ; in spite of using a geometry radically different from that of special relativity, the paper derives r... | arxiv:physics/0403058 |
we introduce the tournament rank probability score ( trps ) as a measure to evaluate and compare pre - tournament predictions, where predictions of the full tournament results are required to be available before the tournament begins. the trps handles partial ranking of teams, gives credit to predictions that are only ... | arxiv:1912.07364 |
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