cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Conditional mutual information and self-commutator
Creators: name: Zhang, Lin
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: Functional Analysis (math.FA)
subject: Operator Algebras (math.OA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: A simpler approach to the characterization of vanishing conditional mutual information is presented. Some remarks are given as well. More specifically, relating the conditional mutual information to a commutator is a very promising approach towards the approximate version of SSA. That is, it is conjectured that small conditional mutual information implies small perturbation of quantum Markov chain.
description: LaTex, 9 pages. Minor modifications are made. Any comments are welcome!
Crystal structure and properties of barium thorate BaThO$_3$ from first principles
Creators: name: Lebedev, Alexander I.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The phonon spectrum of cubic BaThO$_3$ with the perovskite structure is calculated from first principles within the density functional theory. The analysis of unstable modes in the phonon spectrum enables to determine the symmetry of all possible distorted phases, calculate their energies, and show that the ground-state structure of barium thorate is $Pbnm$. For this structure, the static and optical dielectric constants, elastic moduli, heat capacity, Raman spectra, and the energy band gap in the LDA and $GW$ approximations are calculated. The possibility of the structural phase transitions in BaThO$_3$ is also discussed.
description: 4 pages, 3 figures
Ulysses Kay at Bellagio Study and Conference Center
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2018
Subjects: Composers
African American composers

description: Among the many tributes extended to Ulysses Kay was his serving as composer-in-residence at the Bellagio Study and Conference Center in Bellagio, Italy in 1982, where this photograph was taken. He received six honorary doctorates during his life, and attended a number of special "All-Ulysses Kay Concerts" and "Ulysses Kay Days" held at many colleges and universities including Lehman College, and even a "Ulysses Kay Week" held in the Boston area in 1988 when Harvard, Tufts, Northeastern, and the University of Massachusetts (Harbor campus) presented a series of all-Kay concerts from March 9 to 14.
Correspondence Heuristic and Filter-Empowerment Heuristic: Investigating the Reversed Gender Achievement Gap in a Sample of Secondary School Students in Saudi Arabia within the Framework of Educational and Learning Capital
Creators: name: Stoeger, Heidrun
name: Almulhim, Norah
name: Ziegler, Albert
Publisher: name: Universität Regensburg
Year: 2022
Subjects: subject: equity gap; gender; reversed gender achievement gap; learning and educational capital; Saudi Arabia; secondary school
subject: 370 Erziehung, Schul- und Bildungswesen

description: The reversed gender achievement gap in the Kingdom of Saudi Arabia (KSA) in favor of girls developed in a societal environment that still predominantly favors men. The finding illustrates how equity gaps at higher systemic levels may not translate seamlessly to lower systemic levels. We propose that this lack of correspondence between systemic levels regarding equity gaps can be explained by the fact that more exogenous learning resources (educational capital) selectively reach girls’ actiotopes, enabling them to build more effective endogenous learning resources (learning capital) and, in particular, effective action repertoires. To investigate this assumption, we introduce a filter-empowerment heuristic and contrast it with a simpler correspondence heuristic. We employ the filter-empowerment heuristic and the education and learning capital approach to investigate the reversed gender achievement gap in a sample of secondary school students in the KSA. We test four hypotheses: (a) Girls have higher academic achievement than boys. (b) Girls have more educational capital and (c) more learning capital than boys. (d) Educational and learning capital mediate the relationship between gender and academic achievement. The hypotheses were tested with a sample of 2541 ninth-grade students from 55 KSA schools. The four hypotheses were confirmed and support a filter-empowerment heuristic rather than a correspondence heuristic.
Научные труды,Выпуск №1 (№1, том 25, 2023, 1-50cтр.) 2023
Creators: name: Национальная Академия Авиации Азербайджана
Publisher: name: Национальная Академия Авиации Азербайджана
Year: 2023

description: Научные труды,Выпуск №1 (№1, том 25, 2023, 1-50cтр.) 2023
The VLA 1.4GHz Survey of the Extended Chandra Deep Field South: Second Data Release
Creators: name: Miller, N. A.
name: Bonzini, M.
name: Fomalont, E. B.
name: Kellermann, K. I.
name: Mainieri, V.
name: Padovani, P.
name: Rosati, P.
name: Tozzi, P.
name: Vattakunnel, S.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Deep radio observations at 1.4GHz for the Extended Chandra Deep Field South were performed in June through September of 2007 and presented in a first data release (Miller et al. 2008). The survey was made using six separate pointings of the Very Large Array (VLA) with over 40 hours of observation per pointing. In the current paper, we improve on the data reduction to produce a second data release (DR2) mosaic image. This DR2 image covers an area of about a third of a square degree and reaches a best rms sensitivity of 6 uJy and has a typical sensitivity of 7.4 uJy per 2.8" by 1.6" beam. We also present a more comprehensive catalog, including sources down to peak flux densities of five or more times the local rms noise along with information on source sizes and relevant pointing data. We discuss in some detail the consideration of whether sources are resolved under the complication of a radio image created as a mosaic of separate pointings each suffering some degree of bandwidth smearing, and the accurate evaluation of the flux densities of such sources. Finally, the radio morphologies and optical/near-IR counterpart identifications (Bonzini et al. 2012) are used to identify 17 likely multiple-component sources and arrive at a catalog of 883 radio sources, which is roughly double the number of sources contained in the first data release.
description: to appear in the Astrophysical Journal Supplement Series; 41 pages
Does Learning Geography Increase Climate Change Awareness? A Comparison of School Subjects’ Influence on Climate Change Awareness
Creators: name: Onuoha, Joseph
name: Eze, Emmanuel
name: Ezeaputa, Chidiebere Mary-Cynthia
name: Okpabi, Jacob Ugbada
name: Onyia, Jennifer Chioma
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Space Science
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified

description: School subjects’ curricula, including geography, are infused with contents to improve climate change literacy. This study sampled 420 public secondary school students in Enugu State, Nigeria. Mean differences and multinomial logistic regression results show geography students possess the highest climate change awareness level. Besides, students’ gender, location, age and class are variables significantly influencing climate change awareness. Students who took geography had an increased probability of being moderately or highly aware of climate change. The scope of climate change contents infused in other school subjects ought to be expanded, with explicit specifications of methods and materials for delivery.
Turbulence In the Outer Regions of Protoplanetary Disks. II. Strong Accretion Driven by a Vertical Magnetic Field
Creators: name: Simon, Jacob B.
name: Bai, Xue-Ning
name: Armitage, Philip J.
name: Stone, James M.
name: Beckwith, Kris
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We carry out a series of local, vertically stratified shearing box simulations of protoplanetary disks that include ambipolar diffusion and a net vertical magnetic field. The ambipolar diffusion profiles we employ correspond to 30AU and 100AU in a minimum mass solar nebula (MMSN) disk model, which consists of a far-UV-ionized surface layer and low-ionization disk interior. These simulations serve as a follow up to Simon et al. (2013), in which we found that without a net vertical field, the turbulent stresses that result from the magnetorotational instability (MRI) are too weak to account for observed accretion rates. The simulations in this work show a very strong dependence of the accretion stresses on the strength of the background vertical field; as the field strength increases, the stress amplitude increases. For gas to magnetic pressure ratios of 1e4 and 1e5, we find accretion rates between 1e-8 and 1e-7 solar masses per year. These accretion rates agree with observational constraints, suggesting a vertical magnetic field strength between 60 and 200 microgauss at 30AU and 10 and 30 microgauss at 100AU in a MMSN disk. Furthermore, the stress has a non-negligible component due to a magnetic wind. For sufficiently strong vertical field strengths, MRI turbulence is quenched, and the flow becomes largely laminar, with accretion proceeding through large scale correlations in the radial and toroidal field components as well as through the magnetic wind. In all simulations, the presence of a low ionization region near the disk mid-plane, which we call the ambipolar damping zone, results in reduced stresses there.
description: accepted to ApJ after very minor revisions
$π^+ π^-$ and $π^0 π^0$ pair production in photon-photon and in ultraperipheral ultrarelativistic heavy ion collisions
Creators: name: Kłusek-Gawenda, Mariola
name: Szczurek, Antoni
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss $γγ\to ππ$ reactions, starting from the two-pion threshold up to about $\sqrt{s_{γγ}}$ = 6 GeV. We include the dipion continuum due to pion exchange (for $π^+π^-$) and $ρ^\pm$ exchange (for $π^0π^0$) as well as the dipion $σ(600)$, $f_0(980)$ and $f_2(1270)$ s-channel resonances. We discuss also a possible contribution of less pronounced scalar resonances $f_0(1500)$ and $f_0(1710)$ as well as the tensor resonances $f'_2(1525)$, $f_2(1565)$ and $f_2(1950)$. We find that the inclusion of the spin-four $f_4(2050)$ resonant state improves the situation at $\sqrt{s_{γγ}} \approx$ 2 GeV. We estimate the relevant diphoton partial decay width to be $Γ_{f_4 \to γγ} \approx$ 0.7 keV. At higher energies, Brodsky-Lepage and hand-bag mechanisms are included in addition. We nicely describe the world data for $γγ\to ππ$ for the first time both for the total cross section and angular distributions. The cross section for the production of two-pions in ultraperipheral ultrarelativistic heavy ion collisions is calculated in the impact parameter space Equivalent Photon Approximation (EPA). We obtain the nuclear cross section of 46.7 mb for $π^+π^-$ and 8.7 mb for $π^0π^0$ at the LHC energy $\sqrt{s_{NN}} =$ 3.5 TeV and minimal cut on pion transverse momentum $p_t>$ 0.2 GeV. Differential distributions in impact parameter, dipion invariant mass, single pion and dipion rapidity, pion transverse momentum as well as pion pseudorapidity are shown. The $γγ\to π^+ π^-$ subprocess constitutes a background to $A A \to A ρ^0 (\to π^+ π^-) A$ process.
description: 29 pages, 22 figures, two references added
Pretending to factor large numbers on a quantum computer
Creators: name: Smolin, John A.
name: Smith, Graeme
name: Vargo, Alex
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Shor's algorithm for factoring in polynomial time on a quantum computer\cite{Shor} gives an enormous advantage over all known classical factoring algorithm. We demonstrate how to factor products of large prime numbers using a compiled version of Shor's quantum factoring algorithm. Our technique can factor all products of $p,q$ such that $p,q$ are unequal primes greater than two, runs in constant time, and requires only two coherent qubits. This illustrates that the correct measure of difficulty when implementing Shor's algorithm is not the size of number factored, but the length of the period found.
description: 15 pages including 3 figures and supplementary material
RRING Global Interviews support materials (WP3)
Creators: name: Foulds, Chris
name: Sule, Obehi
Publisher: name: Zenodo
Year: 2019
Subjects: RRING, RRI, WP3, Interview

description: The RRING Work Package 3 (WP3) objective was to clarify how organisations undertaking visible RRI-like activities operated within region-specific research and innovation environments. It explored how they navigated the governance and regulatory frameworks for Responsible Research and Innovation (RRI), alongside which they offered their perspectives on the entities responsible for RRI-related policy and action in their locales. WP3 carried out global interviews through and from researchers and innovators working within these RRI-practicing organisations, with a focus on investigating the perspectives and experiences of researchers and innovators. The focus was on collecting data (i.e. ascertaining bottom-up views), providing insights on how and why research and innovation are supplied from those who are actually conducting it. In doing this, we paid particular attention to: key RRI-related platforms, spaces and players operating in this region; interactions between different stakeholder types (Research organisation, Research funding organisation, Industry and business, Civil society organisation, Policy body); domain-specific lessons related to Digital (ICT), Energy, Bioeconomy and Waste Management; as well as region-specific insights on what is shaping day-to-day research and innovation practice. Our sampling focused on the following geographical regions: African states; Arab states; Asian and Pacific states; European and North American States; and Latin American and Caribbean states. Across these regions, 113+ interviews were conducted; the key supporting materials used in collecting the interview data are: interview protocol guidelines; and, the reflective fieldnote questions for interviewers.
Quasi-Local Conserved Charges in Covariant Theory of Gravity
Creators: name: Kim, Wontae
name: Kulkarni, Shailesh
name: Yi, Sang-Heon
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In any generally covariant theory of gravity, we show the relationship between the linearized asymptotically conserved current and its non-linear completion through the identically conserved current. Our formulation for conserved charges is based on the Lagrangian description, and so completely covariant. By using this result, we give a prescription to define quasi-local conserved charges in any higher derivative gravity. As applications of our approach, we demonstrate the angular momentum invariance along the radial direction of black holes and reproduce more efficiently the linearized potential on the asymptotic AdS space.
description: 4 pages, minor changes. To appear in Physical Review Letters
title: ТРАВМЫ МОЧЕВОГО ПУЗЫРЯ У РОЖЕНИЦ
Creators: name: Наджафли, Ш.
name: Таубин-Андреева, Л.
name: Середенко, А.
name: Исаева, Д.
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2022

description: Опасность травм мочевого пузыря при акушерских и гинекологических манипуляциях не имеет тенденции к снижению и остается на высоком уровне в настоящее время. Если на основе данных медицинской литературы и практики рассматривать этиологию данного патологического состояния, то можно отметить, что ранее выделяли только осложнения, связанные с лапаротомическими операциями, а за последние десятилетия появились травмы, которые связаны с эндоскопическими методами лечения. При этом невозможно узнать информацию о ятрогенных повреждениях мочевого пузыря при родах, что позволило бы врачу отличить такие повреждения от осложнений, и, соответственно, своевременно принять необходимые меры, которые снимут угрозу жизни роженицы.
FAIR Data in Energy Systems Analysis
Creators: name: Hoyer-Klick, Carsten
name: von Bremen, Lüder
name: Frey, Johannes
name: Frey, Ulrich
name: Gainnousakis, Anastasis
name: Hülk, Ludwig
name: Kronshage, Stefan
name: Kuckertz, Patrick
name: Lohmann, Gerald
name: Muschner, Christoph
name: Pehl, Michaja
name: Schroedter-Homscheidt, Marion
Publisher: name: Forschungzentrum Jülich
Year: 2023

description: International Conference on Energy Meteorology (ICEM) 2023, Padua, Italy, 27 Jun 2023 - 29 Jun 2023
description: See attached file
Bifurcations and exceptional points in dipolar Bose-Einstein condensates
Creators: name: Gutöhrlein, Robin
name: Main, Jörg
name: Cartarius, Holger
name: Wunner, Günter
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: Bose-Einstein condensates are described in a mean-field approach by the nonlinear Gross-Pitaevskii equation and exhibit phenomena of nonlinear dynamics. The eigenstates can undergo bifurcations in such a way that two or more eigenvalues and the corresponding wave functions coalesce at critical values of external parameters. E.g. in condensates without long-range interactions a stable and an unstable state are created in a tangent bifurcation when the scattering length of the contact interaction is varied. At the critical point the coalescing states show the properties of an exceptional point. In dipolar condensates fingerprints of a pitchfork bifurcation have been discovered by Rau et al. [Phys. Rev. A, 81:031605(R), 2010]. We present a method to uncover all states participating in a pitchfork bifurcation, and investigate in detail the signatures of exceptional points related to bifurcations in dipolar condensates. For the perturbation by two parameters, viz. the scattering length and a parameter breaking the cylindrical symmetry of the harmonic trap, two cases leading to different characteristic eigenvalue and eigenvector patterns under cyclic variations of the parameters need to be distinguished. The observed structures resemble those of three coalescing eigenfunctions obtained by Demange and Graefe [J. Phys. A, 45:025303, 2012] using perturbation theory for non-Hermitian operators in a linear model. Furthermore, the splitting of the exceptional point under symmetry breaking in either two or three branching singularities is examined. Characteristic features are observed when one, two, or three exceptional points are encircled simultaneously.
description: 20 pages, 5 figures
Double-slit vacuum polarisation effects in ultra-intense laser fields
Creators: name: King, B.
name: Di Piazza, A.
name: Keitel, C. H.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Optics (physics.optics)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The influence of the strong laser-driven vacuum on a propagating electromagnetic probe wave has been studied in detail. We investigate two scenarios comprising a focused probe laser beam passing through a region of vacuum polarised by an ultra-intense laser field. By splitting this strong field into two, separated, monochromatic Gaussian pulses counter-propagating in a plane perpendicular to the probe field axis, we demonstrate a leading order light-by-light diffraction effect that generates an interference pattern reminiscent of the classic double-slit experiment. We calculate the total number of probe photons diffracted as well as the number diffracted into regions where the vacuum polarisation signal is higher than the probe background. In addition, we calculate the induced ellipticity and polarisation rotation in the probe beam and show how, in the realistic situation in which the centres of the two strong fields are not exactly aligned, certain ranges of beam separation and observation distance may actually lead to an increase over the idealised case of a single strong laser beam.
description: Originally submitted on 15th April 2010 and published on 17th September 2010
title: Connecting exports of Brazilian soy to deforestation
Creators: name: Reis, Tiago
name: Prada Moro, Yan
Publisher: name: Trase
Year: 2022
Subjects: subject: FOS: Earth and related environmental sciences
valueUri: http://www.oecd.org/science/inno/38235147.pdf
subject: FOS: Agriculture, forestry, and fisheries
valueUri: http://www.oecd.org/science/inno/38235147.pdf
subject: FOS: Economics and business
valueUri: http://www.oecd.org/science/inno/38235147.pdf

description: While the rate of deforestation driven by the expansion of soy production in Brazil has slowed, the Amazon and Cerrado continue to be cleared despite zero-deforestation commitments made by soy traders, according to Trase data for 2019-2020. Land clearance in the Pampas grasslands is accelerating to meet growing demand for soy, including from China.
Quantum Decoherence of Charge Qubit coupled to Nonlinear Nanomechanical Resonator
Creators: name: Cheng, C.
name: Gao, Y. B.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: When the nonlinearity of nanomechanical resonator is not negligible, the quantum decoherence of charge qubit is studied analytically. Using nonlinear Jaynes-Cummings model, one explores the possibility of being quantum data bus for nonlinear nanomechanical resonator, the nonlinearity destroys the dynamical quantum information-storage and maintains the revival of quantum coherence of charge qubit. With the calculation of decoherence factor, we demonstrate the influence of the nonlinearity of nanomechanical resonator on engineered decoherence of charge qubit.
description: 4 pages, 1 figure
FreeMe project - Magazine #1
Creators: name: EXELISISPC
Publisher: name: Zenodo
Year: 2023
Subjects: dissemination
magazine
FreeMe
Horizon Europe
plating
plastics
plating on plastics
nickel
chromium
safe
sustainable
SSbD
DST
automotive
aerospace
home appliances
coating

description: 1st Magazine of the EU-funded Horizon Europe FreeMe project - Toxic Free metallization process for plastic surfaces:
1 - The FreeMe Project in a nutshell
2 - Interview with Cnano's CEO
3 - Events
4 - Clustering Activities
5 - MOZART project
6 - FreeMe consortium meetings
7 - Project progress
8 - FreeMe consortium
Crystallographic, Electronic, Thermal and Magnetic Properties of Single-Crystal SrCo2As2
Creators: name: Pandey, Abhishek
name: Quirinale, D. G.
name: Jayasekara, W.
name: Sapkota, A.
name: Kim, M. G.
name: Dhaka, R. S.
name: Lee, Y.
name: Heitmann, T. W.
name: Stephens, P. W.
name: Ogloblichev, V.
name: Kreyssig, A.
name: McQueeney, R. J.
name: Goldman, A. I.
name: Kaminski, Adam
name: Harmon, B. N.
name: Furukawa, Y.
name: Johnston, D. C.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In tetragonal SrCo2As2 single crystals, inelastic neutron scattering measurements demonstrated that strong stripe-type antiferromagnetic (AFM) correlations occur at a temperature T = 5 K [W. Jayasekara et al., arXiv:1306.5174] that are the same as in the isostructural AFe2As2 (A = Ca, Sr, Ba) parent compounds of high-Tc superconductors. This surprising discovery suggests that SrCo2As2 may also be a good parent compound for high-Tc superconductivity. Here, structural and thermal expansion, electrical resistivity rho, angle-resolved photoemission spectroscopy (ARPES), heat capacity Cp, magnetic susceptibility chi, 75As NMR and neutron diffraction measurements of SrCo2As2 crystals are reported together with LDA band structure calculations that shed further light on this fascinating material. The c-axis thermal expansion coefficient alpha_c is negative from 7 to 300 K, whereas alpha_a is positive over this T range. The rho(T) shows metallic character. The ARPES measurements and band theory confirm the metallic character and in addition show the presence of a flat band near the Fermi energy E_F. The band calculations exhibit an extremely sharp peak in the density of states D(E_F) arising from a flat d_{x^2 - y^2} band. A comparison of the Sommerfeld coefficient of the electronic specific heat with chi(T = 0) suggests the presence of strong ferromagnetic itinerant spin correlations which on the basis of the Stoner criterion predicts that SrCo2As2 should be an itinerant ferromagnet, in conflict with the magnetization data. The chi(T) does have a large magnitude, but also exhibits a broad maximum at 115 K suggestive of dynamic short-range AFM spin correlations, in agreement with the neutron scattering data. The measurements show no evidence for any type of phase transition between 1.3 and 300 K and we propose that metallic SrCo2As2 has a gapless quantum spin-liquid ground state.
description: 24 pages, 18 figures, 4 tables, 97 references; v2: updated Ref. 23 and corrected several typos; v3: minor revisions, published version. This is a companion paper to arXiv:1306.5174
Analysis of Determinations of the Distance between the Sun and the Galactic Center
Creators: name: Malkin, Zinovy
Publisher: name: arXiv
Year: 2013
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: The paper investigates the question of whether or not determinations of the distance between the Sun and the Galactic center R0 are affected by the so-called "bandwagon effect", leading to selection effects in published data that tend to be close to expected values, as was suggested by some authors. It is difficult to estimate numerically a systematic uncertainty in R0 due to the bandwagon effect; however, it is highly probable that, even if widely accepted values differ appreciably from the true value, the published results should eventually approach the true value despite the bandwagon effect. This should be manifest as a trend in the published R0 data: if this trend is statistically significant, the presence of the bandwagon effect can be suspected in the data. Fifty two determinations of R0 published over the last 20 years were analyzed. These data reveal no statistically significant trend, suggesting they are unlikely to involve any systematic uncertainty due to the bandwagon effect. At the same time, the published data show a gradual and statistically significant decrease in the uncertainties in the R0 determinations with time.
description: extended part of arXiv:1202.6128
The Ethics of Writing at High Rates for Fashion Papers: Virginia Woolf's Short Stories for Harper's Bazaar
Creators: name: Federici, Annalisa
Publisher: name: mediAzioni
Year: 2022

description: In the mid 1920s, Virginia Woolf was engaged in a dispute with the American critic Logan Pearsall Smith on “the ethics of writing articles at high rates for fashion papers”. Harper’s Bazaar, a commercial magazine to which Woolf contributed four short stories between 1930 and 1939, was a feminine periodical that exploited modernism’s distinction and high cultural capital to captivate a sophisticated, but essentially middle-class, readership by selling the illusion of upward cultural mobility. Although Woolf referred to her high-quality contributions to Harper’s Bazaar as “pot boiling stories for America” written “to make money”, it seems clear that her own engagement with a middlebrow publishing venue did not in the least affect her reputation as a highbrow intellectual and was indeed typical of the multifaceted, reciprocal relationship between the magazine and high modernism in a context in which mobility also meant redrawing the boundaries between intellectual and popular culture. The publication of modernist content within the glossy pages of Harper’s Bazaar was advantageous to both modernists seeking to maintain their celebrity status and the periodical itself, which attempted to cultivate and sustain a refined audience. Much in line with her work of the 1930s, Woolf’s short stories engaged with social and ethical issues such as the righteousness of penetrating other people’s lives and innermost truths (“In the Looking Glass”), violence and decay (“The Shooting Party”), capitalism and antisemitism (“The Duchess and the Jeweler”), human and non-human worlds (“Lappin and Lapinova”). Though often considered as non-canonical in terms of both their rather prosaic plot as well as characterisation, and the commercial venue in which they appeared, the stories Woolf wrote for Harper’s Bazaar reflect the preoccupations of the last decade of her career and are indicative of the tensions between high and low in modernist culture.
description: mediAzioni, V. 33 (2022)
From data towards knowledge: Revealing the architecture of signaling systems by unifying knowledge mining and data mining of systematic perturbation data
Creators: name: Lu, Songjian
name: Jin, Bo
name: Cowart, Ashley
name: Lu, Xinghua
Publisher: name: arXiv
Year: 2013
Subjects: subject: Molecular Networks (q-bio.MN)
subject: Genomics (q-bio.GN)
subject: FOS: Biological sciences

description: Genetic and pharmacological perturbation experiments, such as deleting a gene and monitoring gene expression responses, are powerful tools for studying cellular signal transduction pathways. However, it remains a challenge to automatically derive knowledge of a cellular signaling system at a conceptual level from systematic perturbation-response data. In this study, we explored a framework that unifies knowledge mining and data mining approaches towards the goal. The framework consists of the following automated processes: 1) applying an ontology-driven knowledge mining approach to identify functional modules among the genes responding to a perturbation in order to reveal potential signals affected by the perturbation; 2) applying a graph-based data mining approach to search for perturbations that affect a common signal with respect to a functional module, and 3) revealing the architecture of a signaling system organize signaling units into a hierarchy based on their relationships. Applying this framework to a compendium of yeast perturbation-response data, we have successfully recovered many well-known signal transduction pathways; in addition, our analysis have led to many hypotheses regarding the yeast signal transduction system; finally, our analysis automatically organized perturbed genes as a graph reflecting the architect of the yeast signaling system. Importantly, this framework transformed molecular findings from a gene level to a conceptual level, which readily can be translated into computable knowledge in the form of rules regarding the yeast signaling system, such as "if genes involved in MAPK signaling are perturbed, genes involved in pheromone responses will be differentially expressed".
title: РАССТРОЙСТВА ПАМЯТИ ПРИ COVID-19
Creators: name: Никифорова, А.
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2022

description:  Пандемия COVID-19, вызванная вирусом SARC-CoV-2, зародилась в декабре 2019 года и продолжается по сей день. Заболевание имеет разнообразный патогенез, влияет на все системы организма и поражает легкие, сердце, почки, ЦНС. Кроме того, коронавирус влияет на когнитивные способности человека.
Modal Interface Automata
Creators: name: Lüttgen, Gerald
name: Vogler, Walter
Publisher: name: arXiv
Year: 2013
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Formal Languages and Automata Theory (cs.FL)
subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: De Alfaro and Henzinger's Interface Automata (IA) and Nyman et al.'s recent combination IOMTS of IA and Larsen's Modal Transition Systems (MTS) are established frameworks for specifying interfaces of system components. However, neither IA nor IOMTS consider conjunction that is needed in practice when a component shall satisfy multiple interfaces, while Larsen's MTS-conjunction is not closed and Beneš et al.'s conjunction on disjunctive MTS does not treat internal transitions. In addition, IOMTS-parallel composition exhibits a compositionality defect. This article defines conjunction (and also disjunction) on IA and disjunctive MTS and proves the operators to be 'correct', i.e., the greatest lower bounds (least upper bounds) wrt. IA- and resp. MTS-refinement. As its main contribution, a novel interface theory called Modal Interface Automata (MIA) is introduced: MIA is a rich subset of IOMTS featuring explicit output-must-transitions while input-transitions are always allowed implicitly, is equipped with compositional parallel, conjunction and disjunction operators, and allows a simpler embedding of IA than Nyman's. Thus, it fixes the shortcomings of related work, without restricting designers to deterministic interfaces as Raclet et al.'s modal interface theory does.
description: 28 pages
The Force-Free Magnetosphere of a Rotating Black Hole
Creators: name: Contopoulos, Ioannis
name: Kazanas, Demosthenes
name: Papadopoulos, Demetrios B.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We revisit the Blandford & Znajek (1977) process and solve the fundamental equation that governs the structure of the steady-state force-free magnetosphere around a Kerr black hole. The solution depends on the distributions of the magnetic field angular velocity omega and the poloidal electric current I. These are not arbitrary. They are determined self-consistently by requiring that magnetic field lines cross smoothly the two singular surfaces of the problem, the inner `light surface' located inside the ergosphere, and the outer `light surface' which is the generalization of the pulsar light cylinder. We find the solution for the simplest possible magnetic field configuration, the split monopole, through a numerical iterative relaxation method analogous to the one that yields the structure of the steady-state axisymmetric force-free pulsar magnetosphere (Contopoulos, Kazanas & Fendt 1999). We obtain the rate of electromagnetic extraction of energy and confirm the results of Blandford and Znajek and of previous time dependent simulations. Furthermore, we discuss the physical applicability of magnetic field configurations that do not cross both `light surfaces'.
description: 7 pages, 2 figures, accepted for publication in the Astrophysical Journal
title: ПОРАЖЕНИЕ ПЕЧЕНИ ПРИ CОVID-19: ПРИЧИНЫ И СЛЕДСТВИЯ
Creators: name: Партанский, Д.
name: Решетова, Д.
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2022

description: Пандемия коронавируca (СОVID-19) начaлaсь в декaбре 2019 г. в Китaе и предcтавляет cерьёзную проблему для нacеления всего земного шара. Одним из важных вопроcов является выбор тактики ведения больных дaнной инфекцией с различными вариaнтами течения зaболевания. В ряде работ были опиcaны эпидемиология, лабораторноинcтрументaльные и клиничеcкие признaки зaболевания, а тaкже методы лечения. Однако в нacтоящее время в доcтупной литературе недостаточно обзоров, опиcывaющих тaктики ведения больных новой коронавирусной инфекцией при различных печёночных осложнениях. В нашей cтaтье представлен обзор различных клинических cлучaев с тaктикой ведения пациентов c СОVID-19 и различными печёночными осложнениями/
Spontaneously Broken Conformal Symmetry: Dealing with the Trace Anomaly
Creators: name: Armillis, Roberta
name: Monin, Alexander
name: Shaposhnikov, Mikhail
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The majority of renormalizable field theories possessing the scale invariance at the classical level exhibits the trace anomaly once quantum corrections are taken into account. This leads to the breaking of scale and conformal invariance. At the same time any realistic theory must contain gravity and is thus non-renormalizable. We show that discarding the renormalizability it is possible to construct viable models allowing to preserve the scale invariance at the quantum level. We present explicit one-loop computations for two toy models to demonstrate the main idea of the approach. Constructing the renormalized energy momentum tensor we show that it is traceless, meaning that the conformal invariance is also preserved.
description: 20 pages, 5 figures
RKHS regularization of singular local stochastic volatility McKean--Vlasov models
Creators: name: Bayer, Christian
name: Belomestny, Denis
name: Butkovsky, Oleg
name: Schoenmakers, John G. M.
Publisher: name: Weierstrass Institute
Year: 2022
Subjects: subject: Stochastic volatility models
subject: singular McKean--Vlasov equations
subject: reproducing kernel Hilbert spaces
subject: 91G20
subject: 65C30
subject: 46E22

description: Motivated by the challenges related to the calibration of financial models, we consider the problem of solving numerically a singular McKean-Vlasov equation, which represents a singular local stochastic volatility model. Whilst such models are quite popular among practitioners, unfortunately, its well-posedness has not been fully understood yet and, in general, is possibly not guaranteed at all. We develop a novel regularization approach based on the reproducing kernel Hilbert space (RKHS) technique and show that the regularized model is well-posed. Furthermore, we prove propagation of chaos. We demonstrate numerically that a thus regularized model is able to perfectly replicate option prices due to typical local volatility models. Our results are also applicable to more general McKean--Vlasov equations.
More properties of almost Cohen-Macaulay rings
Creators: name: Ionescu, Cristodor
Publisher: name: arXiv
Year: 2013
Subjects: subject: Commutative Algebra (math.AC)
subject: FOS: Mathematics

description: Some interesting properties of almost Cohen-Macaulay rings are investigated and a Serre type property connected with this class of rings is studied.
Buried and accessible surface area control intrinsic protein flexibility
Creators: name: Marsh, Joseph A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Biomolecules (q-bio.BM)
subject: FOS: Biological sciences

description: Proteins experience a wide variety of conformational dynamics that can be crucial for facilitating their diverse functions. How is the intrinsic flexibility required for these motions encoded in their three-dimensional structures? Here, the overall flexibility of a protein is demonstrated to be tightly coupled to the total amount of surface area buried within its fold. A simple proxy for this, the relative solvent accessible surface area (Arel), therefore shows excellent agreement with independent measures of global protein flexibility derived from various experimental and computational methods. Application of Arel on a large scale demonstrates its utility by revealing unique sequence and structural properties associated with intrinsic flexibility. In particular, flexibility as measured by Arel shows little correspondence with intrinsic disorder, but instead tends to be associated with multiple domains and increased α- helical structure. Furthermore, the apparent flexibility of monomeric proteins is found to be useful for identifying quaternary structure errors in published crystal structures. There is also a strong tendency for the crystal structures of more flexible proteins to be solved to lower resolutions. Finally, local solvent accessibility is shown to be a primary determinant of local residue flexibility. Overall this work provides both fundamental mechanistic insight into the origin of protein flexibility and a simple, practical method for predicting flexibility from protein structures.
description: 36 pages, 11 figures, author's manuscript, accepted for publication in Journal of Molecular Biology
Regularized Transformation-Optics Cloaking for the Helmholtz Equation: From Partial Cloak to Full Cloak
Creators: name: Li, Jingzhi
name: Liu, Hongyu
name: Rondi, Luca
name: Uhlmann, Gunther
Publisher: name: arXiv
Year: 2013
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35Q60, 35J05, 31B10, 35R30, 78A40

description: We develop a very general theory on the regularized approximate invisibility cloaking for the wave scattering governed by the Helmholtz equation in any space dimensions via the approach of transformation optics.
description: 47 pages, 12 figures
Weak error rates for option pricing under linear rough volatility
Creators: name: Bayer, Christian
name: Hall, Eric
name: Tempone, Raúl F.
Publisher: name: Weierstrass Institute
Year: 2022
Subjects: subject: Rough volatility
subject: option pricing
subject: weak error
subject: Euler--Maruyama
subject: non-Markovian dynamics
subject: rough Stein--Stein model
subject: 91G60
subject: 91G20
subject: 65C20

description: In quantitative finance, modeling the volatility structure of underlying assets is vital to pricing options. Rough stochastic volatility models, such as the rough Bergomi model [Bayer, Friz, Gatheral, Quantitative Finance 16(6), 887-904, 2016], seek to fit observed market data based on the observation that the log-realized variance behaves like a fractional Brownian motion with small Hurst parameter, H < 1/2, over reasonable timescales. Both time series of asset prices and option-derived price data indicate that H often takes values close to 0.1 or less, i.e., rougher than Brownian motion. This change improves the fit to both option prices and time series of underlying asset prices while maintaining parsimoniousness. However, the non-Markovian nature of the driving fractional Brownian motion in rough volatility models poses severe challenges for theoretical and numerical analyses and for computational practice. While the explicit Euler method is known to converge to the solution of the rough Bergomi and similar models, its strong rate of convergence is only H. We prove rate H + 1/2 for the weak convergence of the Euler method for the rough Stein--Stein model, which treats the volatility as a linear function of the driving fractional Brownian motion, and, surprisingly, we prove rate one for the case of quadratic payoff functions. Indeed, the problem of weak convergence for rough volatility models is very subtle; we provide examples demonstrating the rate of convergence for payoff functions that are well approximated by second-order polynomials, as weighted by the law of the fractional Brownian motion, may be hard to distinguish from rate one empirically. Our proof uses Talay--Tubaro expansions and an affine Markovian representation of the underlying and is further supported by numerical experiments. These convergence results provide a first step toward deriving weak rates for the rough Bergomi model, which treats the volatility as a nonlinear function of the driving fractional Brownian motion.
OD-Characterization of Some Linear Groups Over Binary Field and Their Automorphism
Creators: name: Moghaddamfar, A. R.
name: Rahbariyan, S.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20D05, 20D06, 20D08

description: The Gruenberg-Kegel graph ${\rm GK}(G)=(V_G, E_G)$ of a finite group $G$ is a simple graph with vertex set $V_G=π(G)$, the set of all primes dividing the order of $G$, and such that two distinct vertices $p$ and $q$ are joined by an edge, $\{p, q\}\in E_G$, if $G$ contains an element of order $pq$. The degree ${\rm deg}_G(p)$ of a vertex $p\in V_G$ is the number of edges incident on $p$. In the case when $π(G)=\{p_1, p_2,..., p_h\}$ with $p_1< p_2< ... < p_h$, we consider the $h$-tuple $D(G)=({\rm deg}_G(p_1), {\rm deg}_G(p_2),..., {\rm deg}_G(p_h))$, which is called the degree pattern of $G$. The group $G$ is called $k$-fold OD-characterizable if there exist exactly $k$ non-isomorphic groups $H$ satisfying condition $(|H|, D(H))=(|G|, D(G))$. Especially, a 1-fold OD-characterizable group is simply called OD-characterizable. In this paper, we first find the degree pattern of the projevtive special linear groups over binary field $L_n(2)$ and among other results we prove that the simple groups $L_{10}(2)$ and $L_{11}(2)$ are OD-characterizable (Theorem \ref{10-11}). It is also shown that automorphism groups ${\rm Aut}(L_p(2))$ and ${\rm Aut}(L_{p+1}(2))$, where $2^p-1$ is a Mersenne prime, are OD-characterizable (Theorem \ref{auto}).
description: 31 pages
Climbing, falling and jamming during ant locomotion in confined environments
Creators: name: Gravish, Nick
name: Monaenkova, Daria
name: Goodisman, Michael A. D.
name: Goldman, Daniel I.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: Locomotion emerges from effective interactions of an individual with its environment. Principles of biological terrestrial locomotion have been discovered on unconfined vertical and horizontal substrates. However a diversity of organisms construct, inhabit, and move within confined spaces. Such animals are faced with locomotor challenges including limited limb range of motion, crowding, and visual sensory deprivation. Little is known about how these organisms accomplish their locomotor tasks, and such environments challenge human-made devices. To gain greater insight into how animals move within confined spaces we study the confined locomotion of the fire ant {\em Solenopsis invicta}, which constructs subterranean tunnel networks (nests). Laboratory experiments reveal that ants construct tunnels with diameter, D, comparable to bodylength, L=3.5 $\pm$ 0.5 mm. Ants can move rapidly (> 9 bodylengths/sec) within these environments; their tunnels allow for effective limb, body, and antennae interaction with walls which facilitate rapid slip-recovery during ascending and descending climbs. To examine the limits of slip-recovery in artificial tunnels we perform perturbations consisting of rapid downward accelerations of the tunnels, which induce falls. Below a critical tunnel diameter, $D_s = 1.31 \pm 0.02$ L, falls are always arrested through rapid interaction of appendages and antennae with tunnel walls to jam the falls. $D_s$ is comparable to the size of incipient nest tunnels (D = 1.06 $\pm$ 0.23 L) supporting our hypothesis that fire ants construct environments which simplify their control task when moving through the nest, likely without need for rapid nervous system intervention.
description: Paper published in PNAS
title: НОВЫЕ ПОДХОДЫ К ЛЕЧЕНИЮ АНКИЛОЗИРУЮЩЕГО СПОНДИЛИТА ИНГИБИТОРАМИ ЯНУС-КИНАЗ. КЛИНИЧЕСКИЙ СЛУЧАЙ
Creators: name: Петрашова, И.
name: Холодова, М.
name: Иванова, А.
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2022

description: Анкилозирующий спондилит (АС) – хроническое, постепенно прогрессирующее воспалительное заболевание позвоночника, у ряда больных протекает одновременно с поражением энтезов, периферических суставов и с внеаксиальными проявлениями (двусторонний коксит), с внескелетными проявлениями, например неспецифический язвенный колит (НЯК). Отмечена тенденция роста заболеваемости АС у женщин. В статье
представлен обзор литературы по диагностике, критериям активности АС, особенностям течения болезни у женщин, современные подходы к лечению заболевания, в частности, ингибиторами Янус-киназ с учетом механизма действия и преимущества их применения. Представлен клинический случай с трудностью в диагностике и подборе терапии, быстрый терапевтический эффект на фоне приема ингибитора янус-киназ тофацетиниба.