cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
NeuRegenerate: A Framework for Visualizing Neurodegeneration
Creators: name: Boorboor, Saeed
name: Mathew, Shawn
name: Ananth, Mala
name: Talmage, David
name: Role, Lorna W.
name: Kaufman, Arie E.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Machine Learning (cs.LG)
subject: Graphics (cs.GR)
subject: Human-Computer Interaction (cs.HC)
subject: Image and Video Processing (eess.IV)
subject: Neurons and Cognition (q-bio.NC)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Biological sciences

description: Recent advances in high-resolution microscopy have allowed scientists to better understand the underlying brain connectivity. However, due to the limitation that biological specimens can only be imaged at a single timepoint, studying changes to neural projections is limited to general observations using population analysis. In this paper, we introduce NeuRegenerate, a novel end-to-end framework for the prediction and visualization of changes in neural fiber morphology within a subject, for specified age-timepoints.To predict projections, we present neuReGANerator, a deep-learning network based on cycle-consistent generative adversarial network (cycleGAN) that translates features of neuronal structures in a region, across age-timepoints, for large brain microscopy volumes. We improve the reconstruction quality of neuronal structures by implementing a density multiplier and a new loss function, called the hallucination loss.Moreover, to alleviate artifacts that occur due to tiling of large input volumes, we introduce a spatial-consistency module in the training pipeline of neuReGANerator. We show that neuReGANerator has a reconstruction accuracy of 94% in predicting neuronal structures. Finally, to visualize the predicted change in projections, NeuRegenerate offers two modes: (1) neuroCompare to simultaneously visualize the difference in the structures of the neuronal projections, across the age timepoints, and (2) neuroMorph, a vesselness-based morphing technique to interactively visualize the transformation of the structures from one age-timepoint to the other. Our framework is designed specifically for volumes acquired using wide-field microscopy. We demonstrate our framework by visualizing the structural changes in neuronal fibers within the cholinergic system of the mouse brain between a young and old specimen.
description: Accepted for publication in IEEE Transactions on Visualization and Computer Graphics
Gluon Scattering Amplitudes in Finite Temperature Gauge/Gravity Dualities
Creators: name: Georgiou, George
name: Giataganas, Dimitrios
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We examine the gluon scattering amplitude in N=4 super Yang-Mills at finite temperature with nonzero R-charge densities, and in Non-Commutative gauge theory at finite temperature. The gluon scattering amplitude is defined as a light-like Wilson loop which lives at the horizon of the T-dual black holes of the backgrounds we consider. We study in detail a special amplitude, which corresponds to forward scattering of a low energy gluon off a high energy one. For this kinematic configuration in the considered backgrounds, we find the corresponding minimal surface which is directly related to the gluon scattering amplitude. We find that for increasing the chemical potential or the non-commutative parameter, the on-shell action corresponding to our Wilson loop in the T-dual space decreases. For all of our solutions the length of the short side of the Wilson loop is constrained by an upper bound which depends on the temperature, the R-charge density and the non-commutative parameter. Due to this constraint, in the limit of zeroth temperature our approach breaks down since the upper bound goes to zero, while by keeping the temperature finite and letting the chemical potential or the non-commutative parameter to approach to zero the limit is smooth.
description: 30 pages, 16 figures, minor corrections (plus improved numerical computation for the non-commutative case)
title: ÐÑÐ°Ð²Ð¾Ð²Ð¾Ðµ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ½ÐºÐ¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Legal regulation of energy markets
Creators: name: ÐÑÑÐºÐ°ÑÐµÐ²Ð°, ÐÐ°Ð»ÐµÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: Ð¿ÑÐ°Ð²Ð¾Ð²Ð¾Ðµ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ½ÐºÐ¾Ð²
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Ð¾Ð±ÑÐµÑÑÐ²ÐµÐ½Ð½ÑÐµ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ñ
ÑÐ¾Ð²Ð°ÑÐ½ÑÐ¹ ÑÑÐ½Ð¾Ðº

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¼Ð°Ð³Ð¸ÑÑÑÐ° Ð¸Ð·ÑÑÐµÐ½Ð° Ð¾Ð±ÑÐ°Ñ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ° Ð¿ÑÐ°Ð²Ð¾Ð²Ð¾Ð³Ð¾ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ½ÐºÐ¾Ð². ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð¿ÑÐ°Ð²Ð¾Ð²Ð¾Ð¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ½ÐºÐ¾Ð². ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ Ð¸ Ð¿ÐµÑÑÐ¿ÐµÐºÑÐ¸Ð²Ñ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð·Ð°ÐºÐ¾Ð½Ð¾Ð´Ð°ÑÐµÐ»ÑÑÑÐ²Ð° Ð² ÑÑÐµÑÐµ Ð¿ÑÐ°Ð²Ð¾Ð²Ð¾Ð³Ð¾ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ½ÐºÐ¾Ð² Ð² Ð Ð¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð¹ Ð¤ÐµÐ´ÐµÑÐ°ÑÐ¸Ð¸. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ ÐºÐ¾Ð½ÐºÑÐµÑÐ½ÑÐµ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ñ Ð¿Ð¾ ÑÐ¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ñ Ð·Ð°ÐºÐ¾Ð½Ð¾Ð´Ð°ÑÐµÐ»ÑÑÑÐ²Ð° Ð² Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ð¿ÑÐ°Ð²Ð¾Ð²Ð¾Ð³Ð¾ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ½ÐºÐ¾Ð².
description: In this master's final qualification work, the general characteristics of the legal regulation of energy markets are studied. A legal analysis of the elements of energy markets is carried out. The problems and prospects for the development of legislation in the field of legal regulation of energy markets in the Russian Federation are investigated. Specific proposals have been developed to improve legislation in the field of legal regulation of energy markets.
Language Models Explain Word Reading Times Better Than Empirical Predictability
Creators: name: Hofmann, Markus J.
name: Remus, Steffen
name: Biemann, Chris
name: Radach, Ralph
name: Kuchinke, Lars
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computation and Language (cs.CL)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Though there is a strong consensus that word length and frequency are the most important single-word features determining visual-orthographic access to the mental lexicon, there is less agreement as how to best capture syntactic and semantic factors. The traditional approach in cognitive reading research assumes that word predictability from sentence context is best captured by cloze completion probability (CCP) derived from human performance data. We review recent research suggesting that probabilistic language models provide deeper explanations for syntactic and semantic effects than CCP. Then we compare CCP with (1) Symbolic n-gram models consolidate syntactic and semantic short-range relations by computing the probability of a word to occur, given two preceding words. (2) Topic models rely on subsymbolic representations to capture long-range semantic similarity by word co-occurrence counts in documents. (3) In recurrent neural networks (RNNs), the subsymbolic units are trained to predict the next word, given all preceding words in the sentences. To examine lexical retrieval, these models were used to predict single fixation durations and gaze durations to capture rapidly successful and standard lexical access, and total viewing time to capture late semantic integration. The linear item-level analyses showed greater correlations of all language models with all eye-movement measures than CCP. Then we examined non-linear relations between the different types of predictability and the reading times using generalized additive models. N-gram and RNN probabilities of the present word more consistently predicted reading performance compared with topic models or CCP.
Coulomb breakup of $^6\rm{Li}$ into $α\,+\,\rm{d}$ in the field of ion $^{208}\rm{Pb}$
Creators: name: Irgaziev, B. F.
name: Nabi, Jameel-Un
name: Khan, Darwish
Publisher: name: arXiv
Year: 2011
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The triple differential cross section of $^{208}\rm{Pb}(^6\rm{Li};α,\rm{d})^{208}\rm{Pb}$ elastic Coulomb breakup is calculated using the semiclassical method. We fit the parameters of the Woods-Saxon potential using the experimental $α-\rm{d}$ phase shifts for different states to describe the relative motion of $α$-particle and deuteron. In order to check the validity of the two particle approach for $α-d$ system we apply a potential model to describe the $^2\rm{H}(α,γ)^6\rm{Li}$ radiative capture. Our results for the Coulomb breakup of $^6\rm{Li}$ show large value of the forward-backward asymmetry of the $α$-particle and deuteron emission around zero energy in the $^6\rm{Li}$ center-of-mass (c.m.) system. Comparison of the results of our calculation with experimental data gives evidence for the dominance of the Coulomb dissociation mechanism at the $α-d$ relative energy larger than $E_{α\,d}>300\,\rm{keV}$ and sufficiently big contribution of nuclear distortion at $E_{α\,d}$ near zero energy, but essentially smaller than the value reported in Ref.[F. Hammache et al. Phys.Rev. C82, 065802 (2010)].
description: 11 pages, 5 figures (one figure removed), added the results of new calculations and performed the audit of the text
Closed manifolds with transcendental L2-Betti numbers
Creators: name: Pichot, Mikaël
name: Schick, Thomas
name: Zuk, Andrzej
Publisher: name: arXiv
Year: 2010
Subjects: subject: K-Theory and Homology (math.KT)
subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics

description: In this paper, we show how to construct examples of closed manifolds with explicitly computed irrational, even transcendental L2 Betti numbers, defined via the universal covering. We show that every non-negative real number shows up as an L2-Betti number of some covering of a compact manifold, and that many computable real numbers appear as an L2-Betti number of a universal covering of a compact manifold (with a precise meaning of computable given below). In algebraic terms, for many given computable real numbers (in particular for many transcendental numbers) we show how to construct a finitely presented group and an element in the integral group ring such that the L2-dimension of the kernel is the given number. We follow the method pioneered by Austin in "Rational group ring elements with kernels having irrational dimension" arXiv:0909.2360) but refine it to get very explicit calculations which make the above statements possible.
description: 25 pages; v2: small corrections and improvements of the presentation. Final version to appear in Journal of the London Mathematical Society
Modeling the Radial Velocities of HD 240210 with the Genetic Algorithms
Creators: name: Rozenkiewicz, A.
name: Gozdziewski, K.
name: Migaszewski, C.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: More than 450 extrasolar planets are known to date. To detect these intriguing objects, many photometric and radial velocity (RV) surveys are in progress. We developed the Keplerian FITting (KFIT) code, to model published and available RV data. KFIT is based on a hybrid, quasi-global optimization technique relying on the Genetic Algorithms and simplex algorithm. Here, we re-analyse the RV data of evolved K3III star HD 240210. We confirm three equally good solutions which might be interpreted as signals of 2-planet systems. Remarkably, one of these best-fits describes the long-term stable two-planet system, involved in the 2:1~mean motion resonance (MMR). It may be the first instance of this strong MMR in a multi-planet system hosted by evolved star, as the 2:1 MMR configurations are already found around a few solar dwarfs.
description: 4 pages, submitted to the Proceedings of the 17'th Young Scientists' Conference on Astronomy and Space Physics (April 26 - May 1, 2010 Kyiv, Ukraine)
Essays on dynamics of household and firm choices
Creators: name: Mitra, Aruni
Publisher: name: University of British Columbia
Year: 2020

description: For nearly four decades in the post-War United States, productivity rose during economic booms and fell in recessions. The first chapter of this thesis studies how increased labour market flexibility because of rapid de-unionization since the early 1980s can explain the sudden vanishing of this procyclicality of productivity, the so-called 'productivity puzzle'. Falling costs of hiring and firing workers, due to the decline in union power, prompted by firms to rely more on employment adjustment (extensive margin) instead of changing workers' effort through labour hoarding (intensive margin). High dependence on labour hoarding explains productivity's historical procyclicality, and its reduced importance in recent decades explains why productivity is now less procyclical. Increased hiring and firing of workers also imply a rise in the relative volatility of employment. I show that U.S. states and industries with a larger drop in union density experienced a deeper fall in the procyclicality of productivity and a larger increase in the relative volatility of employment. Simultaneous to the productivity puzzle in the mid-1980s, there were other important structural changes in the U.S. economy, namely, the rise of the service sector, increased use of intangible capital, more accommodative monetary policy, and the decline in the volatility of shocks during Great Moderation. The second chapter shows that none of these structural changes can explain the productivity puzzle. However, allowing the hiring cost to decline between pre- and post-1980s in an otherwise standard New Keynesian model with endogenous effort can match almost all the fall in cyclical productivity correlations and the rise in the relative volatility of employment. The third chapter characterizes the joint evolution of cross-sectional inequality in permanent income and consumption among parents and children in the U.S. We use a model of intra-family persistence across generations to estimate the parameters determining inequality of consumption and income within a generation. In accounting for cross-sectional dispersion, we find that idiosyncratic heterogeneity is quantitatively more important than inequality arising from family factors. This suggests that parents provide limited insurance against idiosyncratic life-cycle risk, even though the levels of permanent income and consumption exhibit significant persistence across generations.
Anisotropies in the gamma-ray sky from millisecond pulsars
Creators: name: Siegal-Gaskins, Jennifer M.
name: Reesman, Rebecca
name: Pavlidou, Vasiliki
name: Profumo, Stefano
name: Walker, Terry P.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Pulsars emerge in the Fermi era as a sizable population of gamma-ray sources. Millisecond pulsars (MSPs) constitute an older subpopulation whose sky distribution extends to high Galactic latitudes, and it has been suggested that unresolved members of this class may contribute a significant fraction of the measured large-scale isotropic gamma-ray background (IGRB). We investigate the possible energy-dependent contribution of unresolved MSPs to the anisotropy of the Fermi-measured IGRB. For observationally-motivated MSP population models, we show that the preliminary Fermi anisotropy measurement places an interesting constraint on the abundance of MSPs in the Galaxy and the typical MSP flux, about an order of magnitude stronger than constraints on this population derived from the intensity of the IGRB alone. We also examine the possibility of a MSP component in the IGRB mimicking a dark matter signal in anisotropy-based searches, and conclude that the energy dependence of an anisotropy signature would distinguish MSPs from all but very light dark matter candidates.
description: 10 pages, 7 figures; minor revisions; matches version accepted to MNRAS
Supplementary document. from A semi-parametric, state-space compartmental model with time-dependent parameters for forecasting COVID-19 cases, hospitalizations and deaths
Creators: name: O’Dea, Eamon B.
name: Drake, John M.
Publisher: name: The Royal Society
Year: 2022
Subjects: subject: 10202 Biological Mathematics
subject: FOS: Mathematics

description: Description of log likelihood calculation, supplementary figures.
Corners in M-theory
Creators: name: Sati, Hisham
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: M-theory can be defined on closed manifolds as well as on manifolds with boundary. As an extension, we show that manifolds with corners appear naturally in M-theory. We illustrate this with four situations: The lift to bounding twelve dimensions of M-theory on Anti de Sitter spaces, ten-dimensional heterotic string theory in relation to twelve dimensions, and the two M-branes within M-theory in the presence of a boundary. The M2-brane is taken with (or as) a boundary and the worldvolume of the M5-brane is viewed as a tubular neighborhood. We then concentrate on (variant) of the heterotic theory as a corner and explore analytical and geometric consequences. In particular, we formulate and study the phase of the partition function in this setting and identify the corrections due to the corner(s). The analysis involves considering M-theory on disconnected manifolds, and makes use of the extension of the Atiyah-Patodi-Singer index theorem to manifolds with corners and the b-calculus of Melrose.
description: 20 pages
Technoableism & New Media: Presentation
Creators: name: Donabella, Micaela
Publisher: name: Zenodo
Year: 2023
Subjects: disability, technology, ableism, tiktok, twitter, futurity

description: The file attached is the PowerPoint version of a recent talk I delivered at The Humanities Center at Texas Tech Annual Conference 2023: “Health." My talk was entitled "Dreaming the Cyborg: Technoableism, Biohacking, & Disabled Futures," and it explored both online manifestations of technoableism and subsequent forms of resistance by disabled creators.
Diffusive propagation of cosmic rays from supernova remnants in the Galaxy. II: anisotropy
Creators: name: Blasi, Pasquale
name: Amato, Elena
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We investigate the effects of stochasticity in the spatial and temporal distribution of supernova remnants on the anisotropy of cosmic rays observed at Earth. The calculations are carried out for different choices of the diffusion coefficient D(E) for propagation in the Galaxy. The propagation and spallation of nuclei are taken into account. At high energies we assume that $D(E)\sim(E/Z)^δ$, with $δ=1/3$ and $δ=0.6$ being the reference scenarios. The large scale distribution of supernova remnants in the Galaxy is modeled following the distribution of pulsars with and without accounting for the spiral structure of the Galaxy. Our calculations allow us to determine the contribution to anisotropy resulting from both the large scale distribution of SNRs in the Galaxy and the random distribution of the nearest remnants. The naive expectation that the anisotropy amplitude scales as D(E) is shown to be an oversimplification which does not reflect in the predicted anisotropy for any realistic distribution of the sources. The fluctuations in the anisotropy pattern are dominated by nearby sources, so that predicting or explaining the observed anisotropy amplitude and phase becomes close to impossible. We find however that the very weak energy dependence of the anisotropy amplitude below $10^{5}$ GeV and the rise at higher energies, can best be explained if the diffusion coefficient is $D(E)\sim E^{1/3}$. Faster diffusion, for instance with $δ=0.6$, leads in general to an exceedingly large anisotropy amplitude. The spiral structure introduces interesting trends in the energy dependence of the anisotropy pattern, which qualitatively reflect the trend seen in the data. For large values of the halo size we find that the anisotropy becomes dominated by the large scale regular structure of the source distribution, leading indeed to a monotonic increase of $δ_A$ with energy.
description: 21 Pages, to appear in JCAP
Surrogate Modeling for Physical Systems with Preserved Properties and Adjustable Tradeoffs
Creators: name: Wang, Randi
name: Behandish, Morad
Publisher: name: arXiv
Year: 2022
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Dynamical Systems (math.DS)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: Determining the proper level of details to develop and solve physical models is usually difficult when one encounters new engineering problems. Such difficulty comes from how to balance the time (simulation cost) and accuracy for the physical model simulation afterwards. We propose a framework for automatic development of a family of surrogate models of physical systems that provide flexible cost-accuracy tradeoffs to assist making such determinations. We present both a model-based and a data-driven strategy to generate surrogate models. The former starts from a high-fidelity model generated from first principles and applies a bottom-up model order reduction (MOR) that preserves stability and convergence while providing a priori error bounds, although the resulting reduced-order model may lose its interpretability. The latter generates interpretable surrogate models by fitting artificial constitutive relations to a presupposed topological structure using experimental or simulation data. For the latter, we use Tonti diagrams to systematically produce differential equations from the assumed topological structure using algebraic topological semantics that are common to various lumped-parameter models (LPM). The parameter for the constitutive relations are estimated using standard system identification algorithms. Our framework is compatible with various spatial discretization schemes for distributed parameter models (DPM), and can supports solving engineering problems in different domains of physics.
description: Paper #202
title: ÐÐ·Ð¼ÐµÑÐ¸ÑÐµÐ»ÑÐ½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð° Ð´Ð»Ñ ÐºÐ°Ð»Ð¸Ð±ÑÐ¾Ð²ÐºÐ¸ Ð¸ Ð¿Ð¾Ð²ÐµÑÐºÐ¸ ÑÐ¸ÑÑÐ¾Ð²ÑÑ Ð´Ð°ÑÑÐ¸ÐºÐ¾Ð² ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Measuring system for calibration and testing of digital temperature sensors
Creators: name: ÐÐ°Ð·Ð°ÑÐ¾Ð², ÐÐ°Ð²ÐµÐ»
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ðµ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ
ÐºÐ°Ð»Ð¸Ð±ÑÐ¾Ð²ÐºÐ° Ð´Ð°ÑÑÐ¸ÐºÐ° ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ
Ð¸Ð·Ð¼ÐµÑÐ¸ÑÐµÐ»ÑÐ½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð°
temperature measurement
temperature sensor calibration
measuring system

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½ Ð¿ÑÐ¾ÐµÐºÑ Ð¸Ð·Ð¼ÐµÑÐ¸ÑÐµÐ»ÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð´Ð»Ñ ÐºÐ°Ð»Ð¸Ð±ÑÐ¾Ð²ÐºÐ¸ Ð¸ Ð¿Ð¾Ð²ÐµÑÐºÐ¸ ÑÐ¸ÑÑÐ¾Ð²ÑÑ Ð´Ð°ÑÑÐ¸ÐºÐ¾Ð² ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ.
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description: This paper presents a design of a measuring system for calibrating and calibrating digital temperature sensors.
The selected temperature sensor with the highest accuracy and lowest price.
A device has been developed for calibrating and calibrating such temperature sensors, and flowcharts of algorithms have been drawn up.
Assembled layout to demonstrate the parts of the device.
title: ÐÐ¸Ð±Ð»Ð¸Ð¾ÑÐµÐºÐ° ÐºÐ»Ð°ÑÑÐ¾Ð² Ð´Ð»Ñ Ð¼ÐµÑÑÐ¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸ Ð·Ð½Ð°ÑÐ¸Ð¼Ð¾Ð¹ ÑÐ°ÑÑÐ¸ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ, Ð¿ÑÐµÐ¿ÑÑÑÑÐ²ÑÑÑÐ°Ñ Ð¿ÑÐµÐ´Ð½Ð°Ð¼ÐµÑÐµÐ½Ð½ÑÐ¼ Ð¸Ð·Ð¼ÐµÐ½ÐµÐ½Ð¸ÑÐ¼ Ð´Ð°Ð½Ð½ÑÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Class library for prevention intentional changes of the metrologically significant part of the software
Creators: name: Ð®ÑÐºÐ¸Ð½Ð°, ÐÐºÐ°ÑÐµÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: IT-ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¸
Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ðµ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ðµ
Ð¼ÐµÑÑÐ¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸ Ð·Ð½Ð°ÑÐ¸Ð¼Ð°Ñ ÑÐ°ÑÑÑ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ
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Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÐºÐ¾Ð´Ð° Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ
IT technologies
software
metrological significant part of software
static analysis of program code
dynamic analysis of program code

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ, ÑÐ²ÑÐ·Ð°Ð½Ð½ÑÐµ Ñ Ð½ÐµÑÐ°Ð½ÐºÑÐ¸Ð¾Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÐ¼ ÑÑÐµÐ½Ð¸ÐµÐ¼, Ð°Ð½Ð°Ð»Ð¸Ð·Ð¾Ð¼, Ð¸Ð·Ð¼ÐµÐ½ÐµÐ½Ð¸ÐµÐ¼ Ð¸ ÑÐ´Ð°Ð»ÐµÐ½Ð¸ÐµÐ¼ Ð¸Ð· ÑÐ°Ð¹Ð»Ð¾Ð² Ð¸ Ð¾Ð¿ÐµÑÐ°ÑÐ¸Ð²Ð½Ð¾Ð¹ Ð¿Ð°Ð¼ÑÑÐ¸ Ð´Ð°Ð½Ð½ÑÑ, Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÐµÐ¼ÑÑ Ð´Ð»Ñ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½ÑÐ¼ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸ÐµÐ¼. ÐÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð¾Ð¿ÑÐ¸Ð¼Ð°Ð»ÑÐ½ÑÐµ Ð¿Ð¾Ð´ÑÐ¾Ð´Ñ Ð´Ð»Ñ Ð·Ð°ÑÐ¸ÑÑ Ð¸Ð·Ð¼ÐµÑÐ¸ÑÐµÐ»ÑÐ½ÑÑ Ð´Ð°Ð½Ð½ÑÑ. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° Ð±Ð¸Ð±Ð»Ð¸Ð¾ÑÐµÐºÐ° Ð´Ð»Ñ Ð¼ÐµÑÑÐ¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸ Ð·Ð½Ð°ÑÐ¸Ð¼Ð¾Ð¹ ÑÐ°ÑÑÐ¸ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ, Ð¿ÑÐµÐ¿ÑÑÑÑÐ²ÑÑÑÐ°Ñ Ð¿ÑÐµÐ´Ð½Ð°Ð¼ÐµÑÐµÐ½Ð½ÑÐ¼ Ð¸Ð·Ð¼ÐµÐ½ÐµÐ½Ð¸ÑÐ¼ Ð¿ÐµÑÐµÐ¼ÐµÐ½Ð½ÑÑ Ð²ÑÐ»ÐµÐ´ÑÑÐ²Ð¸Ðµ ÑÑÐ°ÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¸ Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° ÐºÐ¾Ð´Ð° Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ.
description: The thesis is devoted to prevention of unauthorized reading, analysis, modification and deletion of software processing data from both RAM and static files. The thesis contains a details description for existing approaches for protection of measurement data are presented in accordance with the requirements given in GOST R 8.654 - 2015. A library for prevention intentional changes of variables via static and dynamic analysis of the source code has been developed for the metrologically significant part of the software realization.
Cosmological concordance or chemical coincidence? Deuterated molecular hydrogen abundances at high redshift
Creators: name: Tumlinson, J.
name: Malec, A. L.
name: Carswell, R. F.
name: Murphy, M. T.
name: Buning, R.
name: Milutinovic, N.
name: Ellison, S. L.
name: Prochaska, J. X.
name: Jorgenson, R. A.
name: Ubachs, W.
name: Wolfe, A. M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We report two detections of deuterated molecular hydrogen (HD) in QSO absorption-line systems at $z > 2$. Toward J2123-0500, we find $N$(HD) $= 13.84 \pm 0.2$ for a sub-DLA with metallicity $\simeq 0.5Z_{\odot}$ and $N$(H$_2$) = $17.64 \pm 0.15$ at $z = 2.0594$. Toward FJ0812+32, we find $N$(HD) $= 15.38 \pm 0.3$ for a solar-metallicity DLA with $N$(H$_2$) = $19.88 \pm 0.2$ at $z = 2.6265$. These systems have ratios of HD to H$_2$ above that observed in dense clouds within the Milky Way disk and apparently consistent with a simple conversion from the cosmological ratio of D/H. These ratios are not readily explained by any available model of HD chemistry and there are no obvious trends with metallicity or molecular content. Taken together, these two systems and the two published $z > 2$ HD-bearing DLAs indicate that HD is either less effectively dissociated or more efficiently produced in high-redshift interstellar gas, even at low molecular fraction and/or solar metallicity. It is puzzling that such diverse systems should show such consistent HD/H$_2$ ratios. Without clear knowledge of all the aspects of HD chemistry that may help determine the ratio HD/H$_2$, we conclude that these systems are potentially more revealing of gas chemistry than of D/H itself and that it is premature to use such systems to constrain D/H at high-redshift.
description: accepted for publication in ApJ Letters, 5 pages emulate ApJ text
Investigating the detectability of hydrocarbons in exoplanet atmospheres with JWST
Creators: name: Gasman, Danny
name: Min, Michiel
name: Chubb, Katy L.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We investigate at what abundances various hydrocarbon molecules (e.g. acetylene (C$_2$H$_2$), ethylene (C$_2$H$_4$), and methane (CH$_4$)) become detectable when observing the atmospheres of various planets using JWST. We focused on atmospheric models based on the parameters of a small sample of planets: HD 189733b, HD 209458b, HD 97658b, and Kepler-30c. We computed model transmission spectra using the Bayesian retrieval package ARCiS. We simulated observed spectra using the PandExo package. We subsequently ran retrievals on these spectra to determine whether the molecular abundances can be accurately retrieved from these simulated spectra. We find that generally we can detect and retrieve abundances of the hydrocarbon species as long as they have a VMR above approximately 1x10$^{-7}$-1x10$^{-6}$, at least for the brighter targets. There are variations based on planet type and instrument(s) used, and these limits will likely change depending on the abundance of other strong absorbers. We also find scenarios where the presence of one hydrocarbon is confused with another; this is often improved when two instruments are combined. C$_2$H$_2$, CH$_4$, and C$_2$H$_4$ will all be detectable with JWST, provided they are present in high enough abundances, and that the optimal instruments are chosen. A combination of two instruments, either NIRSpec G395M and MIRI LRS, or NIRCam F322W2 and MIRI LRS, is best for observing these species in bright exoplanet systems, with NIRSpec G395M and MIRI LRS the best option for the HD 189733b-like atmosphere with clouds included. The use of NIRSpec Prism is tentatively found to be best for fainter targets, potentially in combination with the MIRI LRS slit mode, although the target we test is too faint to draw any strong conclusions. Instrument sensitivity, noise, and wavelength range are all thought to play a role in being able to distinguish spectral features.
description: accepted A&A
Microcanonical Analysis of Spin Glasses Using Gauge Symmetry
Creators: name: Nishimori, Hidetoshi
Publisher: name: arXiv
Year: 2011
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We apply the method of gauge transformation to spin glasses under the microcanonical ensemble to study the possibility of ensemble inequivalence in systems with long-range interactions and quenched disorder. It is proved that all the results derived under the canonical ensemble on the Nishimori line (NL) can be reproduced by the microcanonical ensemble irrespective of the range of interactions. This establishes that ensemble inequivalence should take place away from the NL if it happens in spin glasses. It is also proved on the NL that the microcanonical configurational average of the energy as a function of temperature is exactly equal to the average energy in the canonical ensemble for any finite-size systems with Gaussian disorder. In this sense, ensembles are equivalent even for finite systems.
Diffusive propagation of cosmic rays from supernova remnants in the Galaxy. I: spectrum and chemical composition
Creators: name: Blasi, Pasquale
name: Amato, Elena
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In this paper we investigate the effect of stochasticity in the spatial and temporal distribution of supernova remnants on the spectrum and chemical composition of cosmic rays observed at Earth. The calculations are carried out for different choices of the diffusion coefficient D(E) experienced by cosmic rays during propagation in the Galaxy. In particular, at high energies we assume that D(E)\sim E^δ, with $δ=1/3$ and $δ=0.6$ being the reference scenarios. The large scale distribution of supernova remnants in the Galaxy is modeled following the distribution of pulsars, with and without accounting for the spiral structure of the Galaxy. We find that the stochastic fluctuations induced by the spatial and temporal distribution of supernovae, together with the effect of spallation of nuclei, lead to mild but sensible violations of the simple, leaky-box-inspired rule that the spectrum observed at Earth is $N(E)\propto E^{-α}$ with $α=γ+δ$, where $γ$ is the slope of the cosmic ray injection spectrum at the sources. Spallation of nuclei, even with the small rates appropriate for He, may account for slight differences in spectral slopes between different nuclei, providing a possible explanation for the recent CREAM observations. For $δ=1/3$ we find that the slope of the proton and helium spectra are $\sim 2.67$ and $\sim 2.6$ respectively at energies above 1 TeV (to be compared with the measured values of $2.66\pm 0.02$ and $2.58\pm 0.02$). For $δ=0.6$ the hardening of the He spectra is not observed. We also comment on the effect of time dependence of the escape of cosmic rays from supernova remnants, and of a possible clustering of the sources in superbubbles. In a second paper we will discuss the implications of these different scenarios for the anisotropy of cosmic rays.
description: 28 pages, To appear in JCAP
title: ÐÐ½Ð°Ð»Ð¸Ð· Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐµÐ¹ Ð¸ Ð¾ÑÐµÐ½ÐºÐ° ÑÐµÑ Ð½Ð¾Ð³ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÐ¸ÑÐºÐ° Ð½Ð° Ð¾Ð¿Ð°ÑÐ½Ð¾Ð¼ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¼ Ð¾Ð±ÑÐµÐºÑÐµ (Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ Ð½ÐµÑÑÐµÐ±Ð°Ð·Ñ Ð ÑÑÑÐ¸)
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: The analysis of dangers and assessment of technogenic risk on hazardous production facility (on the example of oil depot Ruchi)
Creators: name: ÐÐ¸ÑÐ¸ÑÐºÐ¸Ð¹, ÐÐ°ÑÐ¸Ð»Ð¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: Ð°Ð½Ð°Ð»Ð¸Ð· Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐµÐ¹
Ð¾ÑÐµÐ½ÐºÐ° ÑÐ¸ÑÐºÐ¾Ð²
Ð¾Ð¿Ð°ÑÐ½ÑÐ¹ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½ÑÐ¹ Ð¾Ð±ÑÐµÐºÑ
Ð¿ÑÐ¸ÐµÐ¼
Ñ ÑÐ°Ð½ÐµÐ½Ð¸Ðµ
ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ¸ÑÐ¾Ð²ÐºÐ° ÑÐ²ÐµÑÐ»ÑÑ Ð½ÐµÑÑÐµÐ¿ÑÐ¾Ð´ÑÐºÑÐ¾Ð²
Ð¼ÐµÑÐ¾Ð´Ñ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐµÐ¹
ÑÐµÑ Ð½Ð¾Ð³ÐµÐ½Ð½ÑÐ¹ ÑÐ¸ÑÐº
analysis of dangers
risk assessment
hazardous production facility
reception
storage
transportation of light oil products
methods of the analysis of dangers and risk assessment
technogenic risk

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐµÐ¹ Ð¸ Ð¾ÑÐµÐ½ÐºÐ° ÑÐµÑÐ½Ð¾Ð³ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÐ¸ÑÐºÐ° Ð½Ð° Ð½ÐµÑÑÐµÐ±Ð°Ð·Ðµ Ð ÑÑÑÐ¸. ÐÐ°Ð½Ñ Ð¾Ð±ÑÐ¸Ðµ Ð¿Ð¾Ð½ÑÑÐ¸Ðµ Ð¸ ÐºÐ»Ð°ÑÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ Ð¾Ð¿Ð°ÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÑÐµÐºÑÐ°. ÐÐ·ÑÑÐµÐ½Ñ Ð¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ñ Ð¼ÐµÑÐ¾Ð´Ñ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐµÐ¹ Ð¸ Ð¾ÑÐµÐ½ÐºÐ¸ ÑÐ¸ÑÐºÐ° Ð¿ÑÐ¸ÐµÐ¼Ð°, ÑÑÐ°Ð½ÐµÐ½Ð¸Ñ Ð¸ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ¸ÑÐ¾Ð²ÐºÐ¸ ÑÐ²ÐµÑÐ»ÑÑ Ð½ÐµÑÑÐµÐ¿ÑÐ¾Ð´ÑÐºÑÐ¾Ð². Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð¿Ð¾ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÑÑÐ¾Ð²Ð½Ñ Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐ¸.
description: In this work the analysis of dangers and assessment of technogenic risk on oil depot Ruchi is made. The general are given a concept and classification of hazardous production facility. Methods of the analysis of dangers and assessment of risk of reception, storage and transportation of light oil products are studied and applied. Actions for increased security are developed.
Stability of the puncture method with a generalized BSSN formulation
Creators: name: Witek, Helvi
name: Hilditch, David
name: Sperhake, Ulrich
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The puncture method for dealing with black holes in the numerical simulation of vacuum spacetimes is remarkably successful when combined with the BSSN formulation of the Einstein equations. We examine a generalized class of formulations modeled along the lines of the Laguna-Shoemaker system, including BSSN as a special case. The formulation is a two parameter generalization of the choice of variables used in standard BSSN evolutions. Numerical stability of the standard finite difference methods is proven for the formulation in the linear regime around flat space, a special case of which is the numerical stability of BSSN. Numerical evolutions are presented and compared with a standard BSSN implementation. We find that a significant portion of the parameter space leads to stable evolutions and that standard BSSN is located near the edge of the stability region. Non-standard parameter choices typically result in smoother behaviour of the evolution variables close to the puncture and thus hold promise for improved accuracy in, e.g., long-term BH binary inspirals, and for overcoming (numerical) stability problems still encountered in some types of black-hole simulations, e.g., in $D \ge 6$ dimensions.
description: 16 pages, 7 figures, 3 tables, matched to published version
Epidemic Dreams: Dreaming about health during the COVID-19 pandemic
Creators: name: Šćepanović, Sanja
name: Aiello, Luca Maria
name: Barrett, Deirdre
name: Quercia, Daniele
Publisher: name: arXiv
Year: 2022
Subjects: subject: Social and Information Networks (cs.SI)
subject: Computation and Language (cs.CL)
subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: The continuity hypothesis of dreams suggests that the content of dreams is continuous with the dreamer's waking experiences. Given the unprecedented nature of the experiences during COVID-19, we studied the continuity hypothesis in the context of the pandemic. We implemented a deep-learning algorithm that can extract mentions of medical conditions from text and applied it to two datasets collected during the pandemic: 2,888 dream reports (dreaming life experiences), and 57M tweets mentioning the pandemic (waking life experiences). The health expressions common to both sets were typical COVID-19 symptoms (e.g., cough, fever, and anxiety), suggesting that dreams reflected people's real-world experiences. The health expressions that distinguished the two sets reflected differences in thought processes: expressions in waking life reflected a linear and logical thought process and, as such, described realistic symptoms or related disorders (e.g., nasal pain, SARS, H1N1); those in dreaming life reflected a thought process closer to the visual and emotional spheres and, as such, described either conditions unrelated to the virus (e.g., maggots, deformities, snakebites), or conditions of surreal nature (e.g., teeth falling out, body crumbling into sand). Our results confirm that dream reports represent an understudied yet valuable source of people's health experiences in the real world.
Discrete conformal maps and ideal hyperbolic polyhedra
Creators: name: Bobenko, Alexander
name: Pinkall, Ulrich
name: Springborn, Boris
Publisher: name: arXiv
Year: 2010
Subjects: subject: Geometric Topology (math.GT)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 52C26, 51M20

description: We establish a connection between two previously unrelated topics: a particular discrete version of conformal geometry for triangulated surfaces, and the geometry of ideal polyhedra in hyperbolic three-space. Two triangulated surfaces are considered discretely conformally equivalent if the edge lengths are related by scale factors associated with the vertices. This simple definition leads to a surprisingly rich theory featuring Möbius invariance, the definition of discrete conformal maps as circumcircle preserving piecewise projective maps, and two variational principles. We show how literally the same theory can be reinterpreted to addresses the problem of constructing an ideal hyperbolic polyhedron with prescribed intrinsic metric. This synthesis enables us to derive a companion theory of discrete conformal maps for hyperbolic triangulations. It also shows how the definitions of discrete conformality considered here are closely related to the established definition of discrete conformality in terms of circle packings.
description: 62 pages, 22 figures. v2: typos corrected, references added and updated, minor changes in exposition. v3, final version: typos corrected, improved exposition, some material moved to appendices
Supplementary Material for 'Evolutionary ecology of host competence after a chytrid outbreak in a naïve amphibian community'
Creators: name: Longo, Ana V.
name: Lips, Karen R.
name: Zamudio, Kelly R.
Publisher: name: The Royal Society
Year: 2023
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology

description: Naive multi-host communities include species that may differentially maintain, transmit and amplify novel pathogens; therefore, we expect species to fill distinct roles during infectious disease emergence. Characterizing these roles in wildlife communities is challenging because most disease emergence events are unpredictable. Here we used field-collected data to investigate how species-specific attributes influenced the degree of exposure, probability of infection, and pathogen intensity, during the emergence of the fungal pathogen Batrachochytrium dendrobatidis (Bd) in a highly diverse tropical amphibian community. Our findings confirmed that ecological traits commonly evaluated as correlates of decline were positively associated with infection prevalence and intensity at the species-level during the outbreak. We identified key hosts that disproportionally contributed to transmission dynamics in this community and found a signature of phylogenetic history in disease responses associated with increased pathogen exposure via shared life-history traits. Our findings establish a framework that could be applied in conservation efforts to identify key species driving disease dynamics under enzootics before reintroducing amphibians back into their original communities. Reintroductions of supersensitive hosts that are unable to overcome infections will limit the success of conservation programs by amplifying the disease at the community-level.This article is part of the theme issue ‘Amphibian immunity: stress, disease and ecoimmunology’.
Directionality of the strain aging effect in ultra low carbon steel
Creators: name: Melo, Wendel
Publisher: name: University of British Columbia
Year: 2020

description: This thesis contributes to the understanding of strain aging in ultra-low carbon (ULC) steels. Three studies (chapters 5, 6 and 7) were performed to achieve the end results. First, the kinetics of strain aging following monotonic tensile tests were measured and compared to an analytical model that can be used to predict the upper and lower yield strength for different aging temperatures and times. Next, the stress-strain behavior was evaluated. Lüders band formation was investigated using a model coupled to simulations using the finite element method (FEM). Digital image correlation (DIC) experiments were performed for comparison with the FEM simulations. Results showed many similarities between both methods, which increases the credibility of the FEM application. Good agreement between experiments and simulations was found. Finally, the directionality of strain aging was studied. Samples were taken from rolled sheet at 0˚, 45˚ and 90˚ to the rolling direction (RD). These were reloaded in tension following aging, the results being very different to those obtained from monotonic tensile tests. In particular, the strain path change was found to result in a large change in work hardening rate and a small effect on the yield strength. This was discussed in terms of a physically based model for strain aging.
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð°ÑÐ´Ð¸Ð¾Ð¿Ð»ÐµÐµÑÐ° Ð¸Ð½ÑÐµÐ³ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾ Ñ Ð²Ð¸Ð´ÐµÐ¾Ñ Ð¾ÑÑÐ¸Ð½Ð³Ð¾Ð¼ YouTube
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of audio player integrated with YouTube video hosting
Creators: name: Ð ÑÐ´Ð½ÑÑ, Ð¡ÐµÑÐ³ÐµÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: Ð¾Ð±Ð»Ð°ÐºÐ¾
Ð°ÑÐ´Ð¸Ð¾Ð¿Ð»ÐµÐµÑ
Ð¼ÑÐ·ÑÐºÐ°
Ð²Ð¸Ð´ÐµÐ¾Ñ Ð¾ÑÑÐ¸Ð½Ð³
YouTube
ÐºÐ¾Ð½ÑÐµÐ½Ñ
java
javafx
API
cloud
audio player
music
video hosting
content
javaFX

description: Ð Ð°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÐµÐ¼Ð°Ñ ÑÐµÐ¼Ð° Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ: Â«Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð°ÑÐ´Ð¸Ð¾Ð¿Ð»ÐµÐµÑÐ° Ð¸Ð½ÑÐµÐ³ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾ Ñ Ð²Ð¸Ð´ÐµÐ¾ÑÐ¾ÑÑÐ¸Ð½Ð³Ð¾Ð¼ YouTubeÂ». Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð²Ð¾Ð´Ð¸ÑÑÑ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¿ÑÐµÐ´Ð¼ÐµÑÐ½Ð¾Ð¹ Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ð¾Ð±Ð»Ð°ÑÐ½ÑÑ Ð°ÑÐ´Ð¸Ð¾Ð¿Ð»ÐµÐµÑÐ¾Ð², Ð²ÑÐ²Ð¾Ð´Ñ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸Ñ Ðº ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸. ÐÐ¿Ð¸ÑÑÐ²Ð°ÑÑÑÑ Ð¿ÑÐµÐ¸Ð¼ÑÑÐµÑÑÐ²Ð° Ð²ÑÐ±Ð¾ÑÐ° Ð²Ð¸Ð´ÐµÐ¾ÑÐ¾ÑÑÐ¸Ð½Ð³Ð° ÐºÐ°Ðº Ð¾Ð±Ð»Ð°ÐºÐ°, Ð¿ÑÐ¸Ð²Ð¾Ð´Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½ÑÐ¹ ÑÐ¿Ð¸ÑÐ¾Ðº ÐºÐ¾Ð½ÑÐµÐ½ÑÐ°, Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÐµÐ¼Ð¾Ð³Ð¾ Ð´Ð»Ñ Ð¿ÑÐ¾ÑÐ»ÑÑÐ¸Ð²Ð°Ð½Ð¸Ñ. ÐÐ½Ð°Ð»Ð¸Ð·Ð¸ÑÑÑÑÑÑ Ð»Ð¸Ð´ÐµÑÑ Ð² Ð´Ð°Ð½Ð½Ð¾Ð¼ ÑÐµÐ³Ð¼ÐµÐ½ÑÐµ ÑÑÐ½ÐºÐ° Ð¸ Ð²ÑÐ¿Ð¾Ð»Ð½ÑÐµÑÑÑ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ðµ Ð¸Ñ Ñ ÑÐ°Ð·ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÐµÐ¼Ð¾Ð¹ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð¾Ð¹ Ð² ÑÐ°Ð¼ÐºÐ°Ñ Ð¾Ð±Ð»Ð°ÑÐ½ÑÑ Ð°ÑÐ´Ð¸Ð¾Ð¿Ð»ÐµÐµÑÐ¾Ð². ÐÐ¿Ð¸ÑÐ°ÑÑÑÑ Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼Ñ Ð¸ ÑÐµÑÐµÐ½Ð¸Ñ, Ð¿ÑÐ¸Ð½ÑÑÑÐµ Ð¿ÑÐ¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐµ Ð¸ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ Ñ Ð²Ð¸Ð´ÐµÐ¾ÑÐ¾ÑÑÐ¸Ð½Ð³Ð¾Ð¼ YouTube. ÐÐµÐ¼Ð¾Ð½ÑÑÑÐ¸ÑÑÐµÑÑÑ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð²ÑÐ±ÑÐ°Ð½Ð½Ð¾Ð³Ð¾ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ñ Ð¸ YouTube DATE API v3 Ñ ÑÐºÐ°Ð·Ð°Ð½Ð¸ÐµÐ¼ ÐºÐ²Ð¾Ñ Ð½Ð° Ð·Ð°Ð¿ÑÐ¾ÑÑ. ÐÐ¿Ð¸ÑÐ°Ð½ Ð¸Ð½ÑÐµÑÑÐµÐ¹Ñ Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð½ÑÐ¹ Ð½Ð° JavaFX. ÐÑÐ¾Ð´ÐµÐ¼Ð¾Ð½ÑÑÑÐ¸ÑÐ¾Ð²Ð°Ð½ ÑÐ¸Ð½Ð°Ð»ÑÐ½ÑÐ¹ ÑÐµÐ·ÑÐ»ÑÑÐ°Ñ Ð¾Ð±Ð»Ð°ÑÐ½Ð¾Ð³Ð¾ Ð°ÑÐ´Ð¸Ð¾Ð¿Ð»ÐµÐµÑÐ°, Ð²ÑÐ¿Ð¾Ð»Ð½Ð¸Ð² Ð²ÑÐµ Ð¿Ð¾ÑÑÐ°Ð²Ð»ÐµÐ½Ð½ÑÐµ Ð·Ð°Ð´Ð°ÑÐ¸ Ð¸ ÑÐµÐ»Ð¸.
description: The subject of the final qualification work: âDevelopment of an audio player integrated with YouTube video hostingâ. In this paper, we analyze the domain of cloud audio players, deriving implementation requirements. The advantages of choosing a video hosting as a cloud are described, listing a possible list of content used for listening. The leaders in this market segment are analyzed and compared with the developed program in the framework of cloud audio players. Describes the mechanisms and decisions made during the development and implementation of interaction with YouTube video hosting. Demonstrates the use of selected tools and YouTube DATE API v3 with quotas for requests. An interface built on JavaFX is described. The final result of the cloud audio player is demonstrated, having completed all the tasks and goals.