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this paper introduces new solvers for the computation of low - rank approximate solutions to large - scale linear problems, with a particular focus on the regularization of linear inverse problems. although krylov methods incorporating explicit projections onto low - rank subspaces are already used for well - posed sys... | arxiv:1910.10664 |
we show that, in a holographic or gauge - gravity approach to the study of the quark - gluon plasma, the specific entropy density of the plasma produced in a peripheral heavy - ion collision can be strongly suppressed relative to its value for central collisions at the same impact energy ; this is connected with the st... | arxiv:1812.07146 |
phd students have also classes with undergraduate students ( bsc, msc ). graduate of doctorate studies of technical university holds scientific degree of doktor nauk technicznych, dr inz., ( literally : " doctor of technical sciences " ) or other e. g. doktor nauk chemicznych ( lit. " doctor of chemical sciences " ). =... | https://en.wikipedia.org/wiki/Engineering_education |
upon commissioning on gemini south, flamingos - 2 will be one of the most powerful wide - field near - infrared imagers and multi - object spectrographs ever built for use on 8 - meter - class telescopes. in order to take best advantage of the strengths of flamingos - 2 early in its life cycle, the instrument team has ... | arxiv:0803.3084 |
magneto - electric fet ( mefet ) is a recently developed post - cmos fet, which offers intriguing characteristics for high speed and low - power design in both logic and memory applications. in this paper, for the first time, we propose a non - volatile 2t - 1mefet memory bit - cell with separate read and write paths. ... | arxiv:2009.06119 |
in this work, we study a new quintessence model associated with non - abelian gauge fields, minimally coupled to einstein gravity. this gauge theory has been recently introduced and studied as an inflationary model, called gauge - flation. here, however, we are interested in the late time cosmology of the model in the ... | arxiv:1510.00838 |
the predicted thermal flash from sn shock breakout might have been detected for the first time by swift in grb 060218 / sn 2006aj. the detected thermal x - ray emission in this event implies emergence of a trans - relativistic ( tr ) sn shock with kinetic energy of e _ k > 1e49 erg. during trsn shock breakout, the ther... | arxiv:0705.3958 |
optimising a ranking - based metric, such as average precision ( ap ), is notoriously challenging due to the fact that it is non - differentiable, and hence cannot be optimised directly using gradient - descent methods. to this end, we introduce an objective that optimises instead a smoothed approximation of ap, coined... | arxiv:2007.12163 |
the proponents of aspect oriented software development ( aosd ) methodology have done a tremendous amount of work to bring out the positive effects of its adoption using quantitative assessment. a structured assessment of the methodology requires a well - defined quality model. in this paper, an ai agent based quality ... | arxiv:2010.07529 |
network embedding which encodes all vertices in a network as a set of numerical vectors in accordance with it ' s local and global structures, has drawn widespread attention. network embedding not only learns significant features of a network, such as the clustering and linking prediction but also learns the latent vec... | arxiv:1704.05743 |
the hamiltonian cycle problem ( hcp ) is an important combinatorial problem with applications in many areas. it is among the first problems used for studying intrinsic properties, including phase transitions, of combinatorial problems. while thorough theoretical and experimental analyses have been made on the hcp in un... | arxiv:1401.3863 |
let $ \ mathcal { f } $ and $ \ mathcal { k } $ be commuting $ c ^ \ infty $ diffeomorphisms of the cylinder $ \ mathbb { t } \ times \ mathbb { r } $ that are, respectively, close to $ \ mathcal { f } _ 0 ( x, y ) = ( x + \ omega ( y ), y ) $ and $ t _ \ alpha ( x, y ) = ( x + \ alpha, y ) $, where $ \ omega ( y ) $ i... | arxiv:2106.16077 |
we theoretically study operations with a four - level superconducting circuit as a two - qubit system. using a mapping on a two - qubit system, we show how to implement iswap gates and hadamard gates through pulses on transitions between particular pairs of energy levels. our approach allows one to prepare pure two - q... | arxiv:1411.0157 |
perovskite nanocrystal light - emitting diodes ( leds ) employing architecture comprising a zno nanoparticles electron - transport layer and a conjugated polymer hole - transport layer have been fabricated. the obtained leds demonstrate a maximum external - quantum - efficiency of 6. 04 %, luminance of 12998 cd / m2 an... | arxiv:1901.10304 |
we introduce ava, an automatic evaluation approach for question answering, which given a set of questions associated with gold standard answers, can estimate system accuracy. ava uses transformer - based language models to encode question, answer, and reference text. this allows for effectively measuring the similarity... | arxiv:2005.00705 |
we construct solutions to the constraint equations in general relativity using the limit equation criterion introduced by dahl, humbert and the first author. we focus on solutions over compact 3 - manifolds admitting a $ \ bs ^ 1 $ - symmetry group. when the quotient manifold has genus greater than 2, we obtain strong ... | arxiv:1409.3477 |
link prediction in unmanned aerial vehicle ( uav ) ad hoc networks ( uanets ) aims to predict the potential formation of future links between uavs. in adversarial environments where the route information of uavs is unavailable, predicting future links must rely solely on the observed historical topological information ... | arxiv:2505.09331 |
robust control design is mainly devoted to guarantee closed - loop stability of a model - based control law in presence of parametric and structural uncertainties. the control law is usually a complex feedback law which is derived from a ( nonlinear ) model, possibly complemented with some mathematical envelope of the ... | arxiv:1108.2338 |
we have investigated the fluorine - doping dependence of lattice constants, transports and specific heat for polycrystalline lafepo1 - xfx. f doping slightly and monotonically decreases the in - plane lattice parameter. in the normal state, electrical resistivity at low temperature is proportional to the square of temp... | arxiv:0910.1711 |
it is widely accepted that the progenitors of core collapse sne are young massive stars and therefore their host galaxies are mostly spiral or irregular galaxies dominated by a young stellar population. surprisingly, among morphologically classified hosts of core collapse sne, we find 22 cases where the host has been c... | arxiv:0806.4269 |
applies only to sufficiently large ( constant ) values of $ k $. in this paper we prove a tight lower bound for any constant $ k $ : for any fixed $ \ epsilon > 0 $, any $ ( 1 + \ epsilon ) $ - spanner for the uniform line metric with hop - diameter at most $ k $ must have at least $ \ omega ( n \ alpha _ k ( n ) ) $ e... | arxiv:2112.09124 |
in this paper we construct a family of hamilton - jacobi separable non - linear $ \ mathbb { s } ^ 1 \ times \ mathbb { s } ^ 1 $ sigma models for which the kink variety can be analytically identified and for which the linear stability of the emerging kinks is ensured. furthermore, a model with only one vacuum point is... | arxiv:2305.03434 |
we consider accelerated and rotating media of weakly interacting fermions in local thermodynamic equilibrium. kinetic properties of this media are described by covariant wigner function calculated on the basis of relativistic distribution function of particles with spin. we obtain the formulae for axial current beyond ... | arxiv:1707.02491 |
##s to zero in $ w _ v ^ { s, n / s } ( \ mathbb { r } ^ n ) $ as $ \ lambda \ rightarrow \ infty $. then, using the ekeland variational principle, a nonnegative nontrivial solution is obtained when $ \ lambda $ is small enough, and we show that the solution converges to zero in $ w _ v ^ { s, n / s } ( \ mathbb { r } ... | arxiv:1906.07943 |
we currently observe a disconcerting phenomenon in machine learning studies in psychiatry : while we would expect larger samples to yield better results due to the availability of more data, larger machine learning studies consistently show much weaker performance than the numerous small - scale studies. here, we syste... | arxiv:1912.06686 |
we study asymptotically flat space - times in 3 dimensions for einstein gravity near future null infinity and show that the boundary is described by carrollian geometry. this is used to add sources to the bms gauge corresponding to a non - trivial boundary metric in the sense of carrollian geometry. we then solve the e... | arxiv:1511.01387 |
prompt photons produced in a hard reaction are not accompanied with any final state interaction, either energy loss or absorption. therefore, besides the cronin enhancement at medium transverse momenta pt and small isotopic corrections at larger pt, one should not expect any nuclear effects. however, data from phenix e... | arxiv:1106.0146 |
data mining is also being useful to give solutions for invasion finding and auditing. while data mining has several applications in protection, there are also serious privacy fears. because of email mining, even inexperienced users can connect data and make responsive associations. therefore we must to implement the pr... | arxiv:1405.0787 |
rapid changes in earth ' s cryosphere caused by human activity can lead to significant environmental impacts. computer models provide a useful tool for understanding the behavior and projecting the future of arctic and antarctic ice sheets. however, these models are typically subject to large parametric uncertainties d... | arxiv:1907.13554 |
we establish necessary and sufficient conditions for consistency of estimators of mixing distribution in linear latent structure analysis. | arxiv:math/0508297 |
the energy spectrum of cosmic rays in the range 10 ^ 15 ev to 6 * 10 ^ 19 ev has been studied using the air cherenkov light detectors of the yakutsk array. the total flux of photons produced by relativistic electrons ( including positrons as well, hereafter ) of extensive air showers in the atmosphere is used as the en... | arxiv:0902.1016 |
which ads should we display in sponsored search in order to maximize our revenue? how should we dynamically rank information sources to maximize the value of the ranking? these applications exhibit strong diminishing returns : redundancy decreases the marginal utility of each ad or information source. we show that thes... | arxiv:1407.1082 |
of the w and z particles, two of the most fundamental constituents of matter. elie metchnikoff ( 1845 – 1916 ) : russian biologist, zoologist and protozoologist. he is best known for his research into the immune system. mechnikov received the nobel prize in medicine in 1908, shared with paul ehrlich. marvin minsky ( 19... | https://en.wikipedia.org/wiki/List_of_atheists_in_science_and_technology |
machine learning has been successfully applied to identify phases and phase transitions in condensed matter systems. however, quantitative characterization of the critical fluctuations near phase transitions is lacking. in this study we propose a finite - size scaling approach based on a convolutional neural network an... | arxiv:1711.04252 |
with increasing interest in mmwave and thz communication systems, an unmanned aerial vehicle ( uav ) - mounted intelligent reflecting surface ( irs ) has been suggested as a key enabling technology to establish robust line - of - sight ( los ) connections with ground nodes owing to their free mobility and high altitude... | arxiv:2309.17008 |
in this paper, we explained the observed $ \ gamma _ { \ rm 2 - 10kev } - l _ { \ rm bol } / l _ { \ rm edd } $ correlation in luminous active galactic nuclei within the framework of the condensation of the corona around a supermassive black hole ( liu et al. 2015 ; qiao & liu 2017 ). specifically, we systemically test... | arxiv:1803.03375 |
this paper addresses the problem of safe and efficient navigation in remotely controlled robots operating in hazardous and unstructured environments ; or conducting other remote robotic tasks. a shared control method is presented which blends the commands from a vfh + obstacle avoidance navigation module with the teleo... | arxiv:2011.05228 |
the construction and classification of crystalline symmetry protected topological ( spt ) phases in interacting bosonic and fermionic systems have been intensively studied in the past few years. crystalline spt phases are not only of conceptual importance, but also provide great opportunities towards experimental reali... | arxiv:2012.15657 |
the theory of representations of clifford algebras is extended to employ the division algebra of the octonions or cayley numbers. in particular, questions that arise from the non - associativity and non - commutativity of this division algebra are answered. octonionic representations for clifford algebras lead to a not... | arxiv:hep-th/9407179 |
the well - behaved representations of the coordinate algebra of a 2 - dimensional quantum complex plane are classified and a c * - algebra is defined which can be viewed as the algebra of continuous functions on the 2 - dimensional quantum complex plane vanishing at infinity. | arxiv:1802.06144 |
we consider a thin - film normal metal / superconductor junction in the presence of an externally applied in - plane magnetic field for several symmetries of the superconducting order parameter. for p - wave superconductors, a strongly spin - polarized current emerges due to an interplay between the nodal structure of ... | arxiv:0807.0005 |
the ability to perceive and comprehend a traffic situation and to estimate the state of the vehicles and road - users in the surrounding of the ego - vehicle is known as situational awareness. situational awareness for a heavy - duty autonomous vehicle is a critical part of the automation platform and depends on the eg... | arxiv:2302.05224 |
in this paper, two new subspace minimization conjugate gradient methods based on $ p - $ regularization models are proposed, where a special scaled norm in $ p - $ regularization model is analyzed. different choices for special scaled norm lead to different solutions to the $ p - $ regularized subproblem. based on the ... | arxiv:2004.01455 |
across the empirical sciences, few statistical procedures rival the popularity of the frequentist t - test. in contrast, the bayesian versions of the t - test have languished in obscurity. in recent years, however, the theoretical and practical advantages of the bayesian t - test have become increasingly apparent and v... | arxiv:1704.02479 |
given a linear semi - bounded symmetric operator $ s \ ge - \ omega $, we explicitly define, and provide their nonlinear resolvents, nonlinear maximal monotone operators $ a _ \ theta $ of type $ \ lambda > \ omega $ ( i. e. generators of one - parameter continuous nonlinear semi - groups of contractions of type $ \ la... | arxiv:1404.2480 |
the radiative b - > k * gamma mode is caused by a penguin operator which is a quantum correction. thus this mode may be useful in the search for physics beyond the standard model. in this paper, we compute the branching ratio, direct cp asymmetry, and isospin breaking effects within the standard model in the framework ... | arxiv:hep-ph/0406055 |
virtual try - on is a promising computer vision topic with a high commercial value wherein a new garment is visually worn on a person with a photo - realistic effect. previous studies conduct their shape and content inference at one stage, employing a single - scale warping mechanism and a relatively unsophisticated co... | arxiv:2304.08956 |
diffusion models ( dms ) have revolutionized data generation, particularly in text - to - image ( t2i ) synthesis. however, the widespread use of personalized generative models raises significant concerns regarding privacy violations and copyright infringement. to address these issues, researchers have proposed adversa... | arxiv:2502.16167 |
we present observations of the o vi system at z _ abs = 0. 495096 toward pks 0405 - 123 ( z _ em = 0. 5726 ) obtained with fuse and stis. in addition to strong o vi, with log n ( o vi ) = 14. 47 + / - 0. 02, and moderate h i this absorber shows c iii, n iv, o iv, and o v, with upper limits for another seven ions. the l... | arxiv:0903.3963 |
a straight - line drawing $ \ gamma $ of a graph $ g = ( v, e ) $ is a drawing of $ g $ in the euclidean plane, where every vertex in $ g $ is mapped to a distinct point, and every edge in $ g $ is mapped to a straight line segment between their endpoints. a path $ p $ in $ \ gamma $ is called increasing - chord if for... | arxiv:1702.08380 |
what is a rose, visually? a rose comprises its intrinsics, including the distribution of geometry, texture, and material specific to its object category. with knowledge of these intrinsic properties, we may render roses of different sizes and shapes, in different poses, and under different lighting conditions. in this ... | arxiv:2212.04965 |
trust is arguably the most important challenge for critical services both deployed as well as accessed remotely over the network. these systems are exposed to a wide diversity of threats, ranging from bugs to exploits, active attacks, rogue operators, or simply careless administrators. to protect such applications, one... | arxiv:2003.14099 |
transformers have become one of the most important architectural innovations in deep learning and have enabled many breakthroughs over the past few years. here we propose a simple network architecture, gmlp, based on mlps with gating, and show that it can perform as well as transformers in key language and vision appli... | arxiv:2105.08050 |
low - resource african languages have not fully benefited from the progress in neural machine translation because of a lack of data. motivated by this challenge we compare zero - shot learning, transfer learning and multilingual learning on three bantu languages ( shona, isixhosa and isizulu ) and english. our main tar... | arxiv:2104.00366 |
in this paper a cmos two stage operational amplifier has been presented which operates at 1. 8 v power supply at 0. 18 micron ( i. e., 180 nm ) technology and whose input is depended on bias current. the op - amp provides a gain of 63db and a bandwidth of 140 khz for a load of 1 pf. this op - amp has a common mode gain... | arxiv:2012.15737 |
flat panel computed tomography is used intraoperatively to assess the result of surgery. due to workflow issues, the acquisition typically cannot be carried out in such a way that the axis aligned multiplanar reconstructions ( mpr ) of the volume match the anatomically aligned mprs. this needs to be performed manually,... | arxiv:2007.03525 |
large scale - free graphs are famously difficult to process efficiently : the skewed vertex degree distribution makes it difficult to obtain balanced partitioning. our research instead aims to turn this into an advantage by partitioning the workload to match the strength of the individual computing elements in a hybrid... | arxiv:1503.04359 |
underlying any theory of physics is a layer of conceptual frames. they connect the mathematical structures used in theoretical models with physical phenomena, but they also constitute our fundamental assumptions about reality. many of the discrepancies between quantum physics and classical physics ( including maxwell '... | arxiv:0907.5242 |
we study non - equilibrium analogues of surface phase transitions in a minimal model of active particles in contact with a purely repulsive potential barrier that mimics a thin porous membrane. under conditions of bulk motility - induced phase separation, the interaction strength $ \ varepsilon _ w $ of the barrier con... | arxiv:2111.02492 |
neural network pruning is a highly effective technique aimed at reducing the computational and memory demands of large neural networks. in this research paper, we present a novel approach to pruning neural networks utilizing bayesian inference, which can seamlessly integrate into the training procedure. our proposed me... | arxiv:2308.02451 |
we review the basic theory of super $ g $ - spaces. we prove a theorem relating the action of a super harish - chandra pair $ ( g _ 0, \ mathfrak { g } ) $ on a supermanifold to the action of the corresponding super lie group $ g $. the theorem was stated in [ dm99 ] without proof. the proof given here does not use fro... | arxiv:0809.3870 |
continuing our recent work we study polynomial masks of multivariate tight wavelet frames from two additional and complementary points of view : convexity and system theory. we consider such polynomial masks that are derived by means of the unitary extension principle from a single polynomial. we show that the set of s... | arxiv:1403.2184 |
we introduce a recursive bosonic quantization technique for generating classical pt photonic structures that possess hidden symmetries and higher order exceptional points. we study light transport in these geometries and we demonstrate that perfect state transfer is possible only for certain initial conditions. moreove... | arxiv:1408.1561 |
we extend the work of an, guan and kleinbock on bounded orbits of diagonalizable flows on $ \ mathrm { sl } _ 3 ( \ mathbb { r } ) / \ mathrm { sl } _ 3 ( \ mathbb { z } ) $ to $ \ mathrm { sl } _ 3 ( \ mathbb { c } ) / \ mathrm { sl } _ 3 ( \ mathcal { o } _ { \ mathbb { k } } ) $, where $ \ mathbb { k } $ is an imagi... | arxiv:2310.16671 |
in the perovskite ti oxide rtio3 ( r = rare - earth ions ), the ti t2g orbitals and spins in the 3d ^ 1 state couple each other through the strong electron correlations, resulting in a rich variety of orbital - spin phases. the origin and nature of orbital - spin states of these mott insulators have been intensively st... | arxiv:cond-mat/0410650 |
we measured the latency of a 100 km fibre link using a correlation otdr. improvements over previous results were achieved by increasing the probe signal rate to 10 gbit / s, using dispersion compensation gratings, and coupling the receiver time base to an external pps signal. | arxiv:2011.10325 |
the outer solar system exhibits an anomalous pattern of orbital clustering, characterized by an approximate alignment of the apsidal lines and angular momentum vectors of distant, long - term stable kuiper belt objects. one explanation for this dynamical confinement is the existence of a yet - undetected planetary - ma... | arxiv:2104.05799 |
we study high harmonic generation in altermagnetic metals with and without spin - orbit coupling. the altermagnetism manifests itself in the magnetic field dependence of the low harmonics associated with intra - band dynamics. spin - orbit coupling leads to additional higher energy peaks and plateau structures originat... | arxiv:2407.07752 |
this paper introduces a new discrete fracture model accounting for non - isothermal compositional multiphase darcy flows and complex networks of fractures with intersecting, immersed and non immersed fractures. the so called hybrid - dimensional model using a 2d model in the fractures coupled with a 3d model in the mat... | arxiv:1612.07501 |
it has been shown that 5 - dimensional general relativity action extended by appropriate quadratic terms admits a singular superconducting cosmic string solution. we search for cosmic strings endowed with similar and extended physical properties by directly integrating the non - linear matrix field equations thus avoid... | arxiv:0802.3263 |
braided embeddings are embeddings to a product disc bundle so the projection to the first factor is a branched cover. in this paper, we study which branched covers lift to braided embeddings, which is a generalization of the borsuk - ulam problem. we determine when a braided embedding in the complement of branch locus ... | arxiv:2104.03885 |
under natural energy and decay assumptions, we derive a priori estimates for solutions of a schrodinger - newton type of equation with critical exponent. on one hand, such an equation generalizes the traditional schrodinger - newton and choquard equations, while, on the other hand, it is naturally related to problems i... | arxiv:1302.3780 |
spatial and spectral approaches are two major approaches for image processing tasks such as image classification and object recognition. among many such algorithms, convolutional neural networks ( cnns ) have recently achieved significant performance improvement in many challenging tasks. since cnns process images dire... | arxiv:1805.08620 |
the polarized antiquark distributions in the proton can be measured by studying spin asymmetries in vector boson production in longitudinally polarized proton - proton collisions. the star and phenix experiments at bnl rhic have reported first observations of single spin asymmetries in $ w ^ \ pm $ - production most re... | arxiv:1103.1465 |
we study topological string amplitudes for the fhsv model using various techniques. this model has a type ii realization involving a calabi - yau threefold with enriques fibres, which we call the enriques calabi - yau. by applying heterotic / type iia duality, we compute the topological amplitudes in the fibre to all g... | arxiv:hep-th/0512227 |
we consider the origins of higher tannaka duality, as well as it consequences. in a first time we review the work of j. wallbridge on that subject, which shows in particular that hopf algebras are essential to generating tannakian infinity - categories. while doing so we provide an analysis of what it means for higher ... | arxiv:1303.3076 |
the spectrum of doubly heavy baryons, hadrons made up of two heavy quarks and one light quark, is computed through a potential model with relativistic kinematics. the expression for the $ q \ bar q $ potential comes from the ads / qcd correspondence. | arxiv:0909.2525 |
we study the range of time - frequency localization operators acting on modulation spaces and prove a lifting theorem. as an application we also characterize the range of gabor multipliers, and, in the realm of complex analysis, we characterize the range of certain toeplitz operators on weighted bargmann - fock spaces.... | arxiv:1010.0513 |
excited quark production at future $ \ gamma p $ colliders is studied. namely, $ \ gamma p \ to q ^ { * } x $ with subsequent $ q ^ { * } \ to gq $ and $ \ gamma q $ decay channels are considered. signatures for discovery of the excited quark and corresponding standard model backgrounds are discussed in detail. discove... | arxiv:0803.2372 |
in the present work, we investigate the electronic transport through a t - shape double quantum dot system coupled to two normal leads and to one superconducting lead. we explore the interplay between kondo and andreev states due to proximity effects. we find that kondo resonance is modified by the andreev bound states... | arxiv:1610.06557 |
the celebrated erd \ h { o } s - ko - rado theorem shows that for $ n \ ge 2k $ the largest intersecting $ k $ - uniform set family on $ [ n ] $ has size $ \ binom { n - 1 } { k - 1 } $. it is natural to ask how far from intersecting larger set families must be. katona, katona and katona introduced the notion of most p... | arxiv:1312.0840 |
a microscopic theory of cooper - pair fluctuations ( cpfs ) in a 2d electron system with strong spin - orbit scatterings is presented to account for the observation, at low temperatures, of large magnetoresistance ( mr ) above a crossover field to superconductivity in electron - doped srtio $ _ { 3 } $ / laalo $ _ { 3 ... | arxiv:2403.02117 |
we present compact integrated speckle spectrometers based on monofractal and multifractal scattering media in a silicon - on - insulator platform. through both numerical and experimental studies we demonstrate enhanced optical throughput, and hence signal - to - noise ratio, for a number of random structures with tailo... | arxiv:2311.02796 |
we present pcach, a smartphone - based approach for relieving the congestion in cellular network resulting from the exponential growth in mobile data traffic. the basic idea underlying pcach is simple : use wifi to proactively cache content on the smartphone ' s memory, which otherwise would have been delivered through... | arxiv:1807.10051 |
we study the $ k ^ 0 _ s - k ^ 0 _ l $ asymmetries and $ cp $ violations in charm - baryon decays with neutral kaons in the final state. the $ k ^ 0 _ s - k ^ 0 _ l $ asymmetry can be used to search for two - body doubly cabibbo - suppressed amplitudes of charm - baryon decays, with the one in $ \ lambda ^ + _ c \ to p... | arxiv:1709.09873 |
other monsters in battle. 1968 ' s 2001 : a space odyssey, directed by stanley kubrick and based on the work of arthur c. clarke, rose above the mostly b - movie offerings up to that time both in scope and quality, and influenced later science fiction films. that same year, planet of the apes ( the original ), directed... | https://en.wikipedia.org/wiki/Science_fiction |
model predictive control ( mpc ) is a powerful control method that handles dynamical systems with constraints. however, solving mpc iteratively in real time, i. e., implicit mpc, remains a computational challenge. to address this, common solutions include explicit mpc and function approximation. both methods, whenever ... | arxiv:2112.07238 |
the focus is on critical problems in nlp related to linguistic diversity and variation across the african continent, specifically with regards to african local dialects and arabic dialects that have received little attention. we evaluated our various approaches, demonstrating their effectiveness while highlighting the ... | arxiv:2305.01427 |
anatomical landmark detection in medical images is essential for various clinical and research applications, including disease diagnosis and surgical planning. however, manual landmark annotation is time - consuming and requires significant expertise. existing deep learning ( dl ) methods often require large amounts of... | arxiv:2411.17845 |
dewetting of ultra - thin polymer films near the glass transition exhibits unexpected front morphologies [ g. reiter, phys. rev. lett., 87, 186101 ( 2001 ) ]. we present here the first theoretical attempt to understand these features, focusing on the shear - thinning behaviour of these films. we analyse the profile of ... | arxiv:cond-mat/0201528 |
k - nearest neighbor classifier ( k - nnc ) is simple to use and has little design time like finding k values in k - nearest neighbor classifier, hence these are suitable to work with dynamically varying data - sets. there exists some fundamental improvements over the basic k - nnc, like weighted k - nearest neighbors ... | arxiv:1301.6324 |
question is what counts as a good scientific explanation. in addition to providing predictions about future events, society often takes scientific theories to provide explanations for events that occur regularly or have already occurred. philosophers have investigated the criteria by which a scientific theory can be sa... | https://en.wikipedia.org/wiki/Philosophy_of_science |
we investigate the structural, kinematical, and spectrophotometric properties of ` ` e + a ' ' galaxies - - those with strong balmer absorption lines but no significant [ oii ] emission - - using numerical simulations combined with stellar population synthesis codes. we particularly focus on the two - dimensional ( 2d ... | arxiv:astro-ph/0503588 |
we consider distributed estimation of a random source in a hierarchical power constrained wireless sensor network. sensors within each cluster send their measurements to a cluster head ( ch ). chs optimally fuse the received signals and transmit to the fusion center ( fc ) over orthogonal fading channels. to enable cha... | arxiv:1906.08330 |
we present a novel approach to reconstruct rgb - d indoor scene with plane primitives. our approach takes as input a rgb - d sequence and a dense coarse mesh reconstructed by some 3d reconstruction method on the sequence, and generate a lightweight, low - polygonal mesh with clear face textures and sharp features witho... | arxiv:1905.09829 |
we report epitaxial growth of a - plane ( 11 - 20 ) alinn layers nearly - lattice - matched to gan. unlike for c - plane oriented epilayers, a - plane al _ { 1 - x } in _ { x } n cannot be simultaneously lattice - matched to gan in both in - plane directions. we study the influence of temperature on indium incorporatio... | arxiv:1003.4341 |
we study the inverse problem of determining the conductivity matrix of an electrical network from the prescribed knowledge of the magnitude of the induced current along the edges coupled with the imposed voltage or injected current on the boundary nodes. this problem leads to a weighted $ l ^ 1 $ minimization problem f... | arxiv:1703.02252 |
hierarchical temporal memory ( htm ) tries to mimic the computing in cerebral - neocortex. it identifies spatial and temporal patterns in the input for making inferences. this may require large number of computationally expensive tasks like, dot - product evaluations. nano - devices that can provide direct mapping for ... | arxiv:1402.2902 |
the spinor bose - einstein condensate of atomic gases has been experimentally realized by a number of groups. further, theoretical proposals of the possible vortex states have been sugessted. this paper studies the effects of the quadratic zeeman energy on the vortex states. this energy was ignored in previous theoreti... | arxiv:cond-mat/0607630 |
modern virtual reality headsets demand significant computational resources to render high - resolution content in real - time. therefore, prioritizing power efficiency becomes crucial, particularly for portable versions reliant on batteries. a significant portion of the energy consumed by these systems is attributed to... | arxiv:2501.14853 |
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