cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The environments of Ly$α$ blobs I: Wide-field Ly$α$ imaging of TN J1338-1942, a powerful radio galaxy at $z\simeq 4.1$ associated with a giant Ly$α$ nebula
Creators: name: Saito, Tomoki
name: Matsuda, Yuichi
name: Lacey, Cedric G.
name: Smail, Ian
name: Orsi, Alvaro
name: Baugh, Carlton M.
name: Inoue, Akio K.
name: Tanaka, Ichi
name: Yamada, Toru
name: Ohta, Kouji
name: De Breuck, Carlos
name: Kodama, Tadayuki
name: Taniguchi, Yoshiaki
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We exploit wide-field Ly$alpha$ imaging with Subaru to probe the environment around TN J1338-1942, a powerful radio galaxy with a >100 kpc Ly$α$ halo at z=4.11. We used a sample of Ly$α$ emitters (LAEs) down to $\log(L_{\rm Lyα} [erg\, s^{-1}])\sim 42.8$ to measure the galaxy density around TNJ1338, compared to a control sample from a blank field taken with the same instrument. We found that TNJ1338 resides in a region with a peak overdensity of $δ_{\rm LAE}=2.8\pm 0.5$ on scales of $8\, h^{-1}\rm Mpc$ (on the sky) and $112\, h^{-1}\rm Mpc$ (line of sight) in comoving coordinates. Adjacent to this overdensity, we found a strong underdensity where virtually no LAEs are detected. We used a semi-analytical model of LAEs derived from the Millennium Simulation to compare our results with theoretical predictions. While the theoretical density distribution is consistent with the blank field, overdense regions such as that around TNJ1338 are very rare, with a number density of $6.4\times 10^{-8}\rm Mpc^{-3}$ (comoving), corresponding to the densest < 0.4 percentile at $z\simeq 4.1$. We also found that the Ly$α$ luminosity function in the TNJ1338 field differs from that in the blank field: the number of bright LAEs ($\log(L_{\rm Lyα}[erg\,s^{-1}]) \gtrsim 43.3$) is enhanced, while the number of fainter LAEs is relatively suppressed. These results suggest that some powerful radio galaxies associated with Ly$α$ nebulae reside in extreme overdensities on $\sim 3$--$6\, \rm Mpc$ scales, where star-formation and AGN activity may be enhanced via frequent galaxy mergers or high rates of gas accretion from the surroundings.
description: 20 papges, 9 figures (incl. appendix), accepted for publication in MNRAS
Abelianization of Fuchsian Systems on a 4-punctured sphere and applications
Creators: name: Heller, Lynn
name: Heller, Sebastian
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics
subject: 14H60, 32G13, 53D30

description: In this paper we consider special linear Fuchsian systems of rank $2$ on a $4-$punctured sphere and the corresponding parabolic structures. Through an explicit abelianization procedure we obtain a $2-$to$-1$ correspondence between flat line bundle connections on a torus and these Fuchsian systems. This naturally equips the moduli space of flat $SL(2,\mathbb C)-$connections on a $4-$punctured sphere with a new set of Darboux coordinates. Furthermore, we apply our theory to give a complex analytic proof of Witten's formula for the symplectic volume of the moduli space of unitary flat connections on the $4-$punctured sphere.
description: 23 pages, comments are welcome
MPEC 2023-V48 : 2017 XG2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Network histograms and universality of blockmodel approximation
Creators: name: Olhede, Sofia C.
name: Wolfe, Patrick J.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Methodology (stat.ME)
subject: Social and Information Networks (cs.SI)
subject: Combinatorics (math.CO)
subject: Statistics Theory (math.ST)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: In this article we introduce the network histogram: a statistical summary of network interactions, to be used as a tool for exploratory data analysis. A network histogram is obtained by fitting a stochastic blockmodel to a single observation of a network dataset. Blocks of edges play the role of histogram bins, and community sizes that of histogram bandwidths or bin sizes. Just as standard histograms allow for varying bandwidths, different blockmodel estimates can all be considered valid representations of an underlying probability model, subject to bandwidth constraints. Here we provide methods for automatic bandwidth selection, by which the network histogram approximates the generating mechanism that gives rise to exchangeable random graphs. This makes the blockmodel a universal network representation for unlabeled graphs. With this insight, we discuss the interpretation of network communities in light of the fact that many different community assignments can all give an equally valid representation of such a network. To demonstrate the fidelity-versus-interpretability tradeoff inherent in considering different numbers and sizes of communities, we analyze two publicly available networks - political weblogs and student friendships - and discuss how to interpret the network histogram when additional information related to node and edge labeling is present.
description: 27 pages, 4 figures; revised version with link to software
Remarks on the collapsing of torus fibered Calabi-Yau manifolds
Creators: name: Hein, Hans-Joachim
name: Tosatti, Valentino
Publisher: name: arXiv
Year: 2014
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 32Q25, 14J32, 32W20

description: One of the main results of the paper arXiv:1108.0967 by Gross-Tosatti-Zhang establishes estimates on the collapsing of Ricci-flat Kahler metrics on holomorphic torus fibrations. We remove a projectivity assumption from these estimates and simplify some of the underlying analysis.
description: 6 pages; final version to appear in Bull. Lond. Math. Soc
Avant-propos
Creators: name: Floquet, Oreste
name: Giannini, Gabriele
Publisher: name: Classiques Garnier
Year: 2023
Subjects: subject: Philologie romane
subject: Linguistique romane
subject: Édition critique
subject: Littérature française
subject: Littérature espagnole
subject: Littérature occitane

description: L’éditeur de textes médiévaux est toujours confronté à des questions qui relèvent de niveaux d’analyse disparates et ne dispose que rarement d’études dégageant des lignes de force qui lui permettraient de s’orienter dans la multiplicité des variables. Peut-on dépasser une méthode forgée sur le cas par cas pour atteindre un degré de généralisation comparable à celui des autres sciences humaines ? C’est l’effort de fournir une réponse à ces questions qui anime les contributions de ce volume.
The NIST compilation of ionization potentials revisited (I): From He-like to Xe-like ions
Creators: name: Gil, Gabriel
name: Gonzalez, Augusto
Publisher: name: arXiv
Year: 2014
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The National Institute of Standards and Technology (NIST) database on ionization potentials for neutral atoms and ions is examined. For each isoelectronic sequence, we construct a regularized perturbative series that exactly matches the large-$Z$ and $Z\approx N-1$ regions. Comparison of the NIST data with this series allows the identification of problematic values in the reported data.
description: 19 pages, 43 figures
Corporate Governance and Reporting in Context of Social Justice and Equity, Deconstructing the Case of Historically Disadvantaged Universities in South Africa
Creators: name: Dwayi, Valindawo Valile
Publisher: name: Walter Sisulu University
Year: 2022
Subjects: Corporate governance
Leadership
Strategy
Strategy, management and organisational behaviour not elsewhere classified

description: A chapter in Corporate Governance - Recent Advances and Perspectives from IntechOpen Abstract: Historically disadvantaged universities in South Africa seem to grapple with corporate governance reporting issues, which continue to engender a state of perpetual crisis for them. In response, the National Department of Higher Education and Training has had to come up with interventions such as replacing university councils by administration regimes. The objective of this study was to examine and critique the underlying conditions that allow for the governance crisis to continue unabated while the government interventions seem to be in place. I adopted a mixed method approach to structure the study coherently and logically. Data sources were predominantly institutional reports about the selected cases, which remain as public records. By employing a critical realist lens and its positions about deep ontology, stratified reality, emergence and multi-causation, I could deconstruct the concept of corporate governance as generally written about in the mainstream literature. Results suggest that the source of the crisis derives from the complexity about corporate governance and reporting in relation to not only roles and responsibilities but also in terms of the ideas, beliefs, and values thereof, which therefore constitute the contradictions of position and practice. The discussion highlights the value of understanding transformative agency as the practical alternative to what should be advances in corporate governance and reporting.
Mash sketched databases for: Mash Sketched Reference Dataset for Genome-Based Taxonomy and Comparative Genomics
Creators: name: Sánchez-Reyes, Ayixon
name: Fernández-López, Maikel Gilberto
Publisher: name: figshare
Year: 2021
Subjects: Bioinformatics and computational biology not elsewhere classified
Genomics
Microbiology not elsewhere classified
Mycology
Bacteriology

description: Accessible Reference Data for Genome-Based Taxonomy and Comparative Genomics is a set of mash sketched genomic data (*.msh)
To use it, you only have to download the dataset of your choice, and with the mash tool you can run genomic comparisons. Last update September 2021

Bacteria_Archaea_type_assembly_set.msh contain 17,442 type genomes from NCBIBacteria_Archaea_type_proteome_set.msh contain 12,767 type predicted proteomes from NCBIGTDB_r202_assembly_set.msh contain 47,894 genomes from GTDB Fungi_type_assembly_set.msh contain 801 type genomes from NCBIFungi_type_proteome_set.msh contain 248 type predicted proteomes from NCBIVirus_Sept21_GenBank_assembly_set.msh contain 44,916 viral assemblies from NCBISoil_Metgenome_assembly_set.msh contain 479 soil metagenomes from NCBIFreshwater_Metagenome_assembly_set.msh contain 611 freswater metagenomes from NCBI
Non-Markovianity of a quantum emitter in front of a mirror
Creators: name: Tufarelli, Tommaso
name: Kim, M. S.
name: Ciccarello, Francesco
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider a quantum emitter ("atom") radiating in a one-dimensional (1D) photonic waveguide in the presence of a single mirror, resulting in a delay differential equation for the atomic amplitude. We carry out a systematic analysis of the non-Markovian (NM) character of the atomic dynamics in terms of refined, recently developed notions of quantum non-Markovianity such as indivisibility and information back-flow. NM effects are quantified as a function of the round-trip time and phase shift associated with the atom-mirror optical path. We find, in particular, that unless an atom-photon bound state is formed a finite time delay is always required in order for NM effects to be exhibited. This identifies a finite threshold in the parameter space, which separates the Markovian and non-Markovian regimes.
description: 7 pages, 4 figures. Fig. 3 featured in Phys. Rev. A Kaleidoscope Images: July 2014
title: Phytophthora chrysanthemi (Naher, Hi. Watan., Chikuo & Kageyama)
Creators: name: Werres, Sabine
name: Götz, Monika
name: Tomić, Želkoj
name: Ivić, Dario
name: Peduto Hand, Francesca
name: Gabriel, Colette
name: McCann, David
name: Tooley, Paul W.
Publisher: name: Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Quedlinburg
Year: 2018

description: JKI Data Shetts - Plant Diseases and Diagnosis, 2017.2
The geometry of kernelized spectral clustering
Creators: name: Schiebinger, Geoffrey
name: Wainwright, Martin J.
name: Yu, Bin
Publisher: name: arXiv
Year: 2014
Subjects: subject: Statistics Theory (math.ST)
subject: Machine Learning (stat.ML)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Clustering of data sets is a standard problem in many areas of science and engineering. The method of spectral clustering is based on embedding the data set using a kernel function, and using the top eigenvectors of the normalized Laplacian to recover the connected components. We study the performance of spectral clustering in recovering the latent labels of i.i.d. samples from a finite mixture of nonparametric distributions. The difficulty of this label recovery problem depends on the overlap between mixture components and how easily a mixture component is divided into two nonoverlapping components. When the overlap is small compared to the indivisibility of the mixture components, the principal eigenspace of the population-level normalized Laplacian operator is approximately spanned by the square-root kernelized component densities. In the finite sample setting, and under the same assumption, embedded samples from different components are approximately orthogonal with high probability when the sample size is large. As a corollary we control the fraction of samples mislabeled by spectral clustering under finite mixtures with nonparametric components.
description: Published at http://dx.doi.org/10.1214/14-AOS1283 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Revealing hidden text in rolled and folded papyri
Creators: name: Baum, Daniel
name: Lindow, Norbert
name: Hege, Hans-Christian
name: Lepper, Verena
name: Siopi, Tzulia
name: Kutz, Frank
name: Mahlow, Kristin
name: Mahnke, Heinz-Eberhard
Publisher: name: Humboldt-Universität zu Berlin
Year: 2017
Subjects: subject: 530 Physik

description: Ancient Egyptian papyri are often folded, rolled up or kept as small packages, sometimes even sealed. Physically unrolling or unfolding these packages might severely damage them. We demonstrate a way to get access to the hidden script without physical unfolding by employing computed tomography and mathematical algorithms for virtual unrolling and unfolding. Our algorithmic approaches are combined with manual interaction. This provides the necessary flexibility to enable the unfolding of even complicated and partly damaged papyrus packages. In addition, it allows us to cope with challenges posed by the structure of ancient papyrus, which is rather irregular, compared to other writing substrates like metallic foils or parchment. Unfolding of packages is done in two stages. In the first stage, we virtually invert the physical folding process step by step until the partially unfolded package is topologically equivalent to a scroll or a papyrus sheet folded only along one fold line. To minimize distortions at this stage, we apply the method of moving least squares. In the second stage, the papyrus is flattened, which requires the definition of a medial surface. We have applied our software framework to several papyri. In this work, we present the results of applying our approaches to mockup papyri that were either rolled or folded along perpendicular fold lines. In the case of the folded papyrus, our approach represents the first attempt to address the unfolding of such complicated folds.
Research data on plug-flow fermentation and bioaugmentation with Paenibacillus spp.
Creators: name: Menzel, Theresa
Publisher: name: Technische Universität Berlin
Year: 2023
Subjects: subject: 500 Naturwissenschaften und Mathematik::570 Biowissenschaften; Biologie::570 Biowissenschaften; Biologie
subject: Microbial hydrolysis
subject: Bioaugmentation
subject: Plug-flow reactor
subject: Anaerobic digestion
subject: Recirculation

description: Open Access funding enabled and organized by Projekt DEAL. This work was funded by the Fachagentur für Nachhaltige Rohstoffe e.V. (FNR, Agency of Renewable Resources)-22039818.
description: This research data belongs to the publication "Effect of bioaugmentation with Paenibacillus spp. and thin slurry recirculation on microbial hydrolysis of maize silage and bedding straw in a plug‑flow reactor" first published in Biomass Conversion and Biorefinery (Springer), available at https://doi.org/10.1007/s13399-023-03958-8 Original abstract: In this work, the effect of bioaugmentation on the hydrolysis and acidogenesis efficiency of bedding straw mixed with maize silage is examined. A plug-flow bioreactor was operated for 70 weeks with maize silage as a reference feedstock and subsequently with an increasing straw content of 30% and 66% (w/w). Bioaugmentation with two Paenibacillus species was conducted at each process condition to investigate the impact on hydrolysis of the recalcitrant lignocellulosic feedstock. A stable acidogenic digestion of the substrates was achieved, during which acetic and butyric acid were accumulated as main byproducts. Specific hydrolysis rates between 258 and 264 gO2 kg−1VS were determined for pure maize silage and maize silage mixed with 30% of straw, while the specific hydrolysis rate decreased to 195 gO2 kg−1VS when a mixture with 66% of straw was applied. Bioaugmentation with Paenibacillus spp. increased the specific hydrolysis rate by up to 41–63% for pure maize silage and the mixture with 30% of straw, while no increase was observed with a mixture of 66% of straw. Acid production, however, was enhanced by 21 to 42% following bioaugmentation for all substrate mixtures. A positive effect on the physiological state of cultures, as recorded with frequency-dispersed polarizability, was seen after bioaugmentation, which remained for two retention times during the continuous fermentation mode. Recirculation of the thin sludge further prolonged the positive effects of bioaugmentation. The results of this work provide a basis to optimize the amount of the bioaugmented microorganisms and hydrolysis of biogenic material with respect to sustainable effects on process performance and costs.
Early event of sexual induction in Volvox: Chemical modification of the extracellular matrix
Creators: name: Wenzl, Stephan
name: Sumper, Manfred
Publisher: name: Universität Regensburg
Year: 1986
Subjects: subject: 570 Biowissenschaften, Biologie
subject: 610 Medizin

description: The sexual pheromone of Volvox carteri elicits drastic changes in the synthesis of extracellular sulfated glycoproteins. Synthesis of at least two sulfated glycoproteins is turned on. Induction of this synthetic capacity is as sensitive to the pheromone (not, vert, similar10−16 M) as the overall process of sexual induction. The earliest response, detectable a few minutes after the application of the pheromone, is the synthesis of a tyrosine sulfate-containing glycoprotein (SG 70). SG 70 is a short-lived molecule (half-life not, vert, similar 20 min) and serves as a precursor for an insoluble extracellular matrix structure. The pheromone-induced sulfated glycoproteins described are exclusively synthesized by somatic cells, rather than by reproductive cells, the ultimate recipients of the pheromone's message. Contrary to earlier reports in the literature, it is demonstrated that isolated reproductive cells remain responsive to the sexual pheromone and develop to sexual spheroids. In the light of this finding together with the site of their synthesis the role of these pheromone-induced glycoproteins is discussed.
Fast Numerical Nonlinear Fourier Transforms
Creators: name: Wahls, Sander
name: Poor, H. Vincent
Publisher: name: arXiv
Year: 2014
Subjects: subject: Information Theory (cs.IT)
subject: Numerical Analysis (math.NA)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: The nonlinear Fourier transform, which is also known as the forward scattering transform, decomposes a periodic signal into nonlinearly interacting waves. In contrast to the common Fourier transform, these waves no longer have to be sinusoidal. Physically relevant waveforms are often available for the analysis instead. The details of the transform depend on the waveforms underlying the analysis, which in turn are specified through the implicit assumption that the signal is governed by a certain evolution equation. For example, water waves generated by the Korteweg-de Vries equation can be expressed in terms of cnoidal waves. Light waves in optical fiber governed by the nonlinear Schrödinger equation (NSE) are another example. Nonlinear analogs of classic problems such as spectral analysis and filtering arise in many applications, with information transmission in optical fiber, as proposed by Yousefi and Kschischang, being a very recent one. The nonlinear Fourier transform is eminently suited to address them -- at least from a theoretical point of view. Although numerical algorithms are available for computing the transform, a "fast" nonlinear Fourier transform that is similarly effective as the fast Fourier transform is for computing the common Fourier transform has not been available so far. The goal of this paper is to address this problem. Two fast numerical methods for computing the nonlinear Fourier transform with respect to the NSE are presented. The first method achieves a runtime of $O(D^2)$ floating point operations, where $D$ is the number of sample points. The second method applies only to the case where the NSE is defocusing, but it achieves an $O(D\log^2D)$ runtime. Extensions of the results to other evolution equations are discussed as well.
description: Minor changes
Exploring the cosmic dawn and epoch of reionization with 21cm line
Creators: name: Shimabukuro, Hayato
name: Hasegawa, Kenji
name: Kuchinomachi, Akira
name: Yajima, Hidenobu
name: Yoshiura, Shintaro
Publisher: name: arXiv
Year: 2023
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The dark age of the universe, when no luminous object had existed, ended with the birth of the first stars, galaxies, and blackholes. This epoch is called cosmic dawn. Cosmic reionization is the major transition of the intergalactic medium (IGM) in the universe driven by ionizing photons emitted from luminous objects. Although the epoch through the dark age to reionization is a milestone in the universe, our knowledge of this epoch has not been sufficient yet. Cosmic 21cm signal, which is emitted from neutral hydrogen, is expected to open a new window for this epoch. In this review paper, we first introduce the basic physics of the 21cm line and how first stars impact on the 21cm line signal. Next, we briefly summarize how we extract astrophysical information from the 21cm line signal by means of statistical and machine learning approaches. We also discuss the synergy between the 21cm line signal and other emission lines. Finally, we summarize the current status of 21cm experiments.
description: 30 pages, 19 figures. Published in PASJ as Special Issue "Metre and Centimetre Radio Astronomy in the Next Decade"
title: 'Not a Prophet' versus 'Foreign Fads' : two scenarios for conceptualising social pedagogy dissemination
Creators: name: Kornbeck, Jacob
Publisher: name: Strathprints - University of Strathclyde
Year: 2013

description: Against the backdrop of current Scottish and British efforts to establish social pedagogy in higher education and professional practice, these efforts may be met with enthusiasm or reticence. Because Scotland and the UK have no explicit social pedagogy tradition, social pedagogy needs to be imported from countries with such a tradition, which usually means Continental Europe and the Nordic countries. As a framework for understanding how social pedagogy may be seen, the paper develops two scenarios, 'Not a Prophet' (exemplified through the gradual disappearance of social pedagogy in Germany, where it originated) and 'Foreign Fads' (discussed by drawing on an exemplary debate in the magazine Community Care, showing English/British unease with social pedagogy on account of its German and Nordic connotations). The paper insists on the need to adapt social pedagogy to the local context.
On Hodge Theory of Singular Plane Curves
Creators: name: Abdallah, Nancy
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: The dimensions of the graded quotients of the cohomology of a plane curve complement with respect to the Hodge filtration are described in terms of simple geometrical invariants. The case of curves with ordinary singularities is discussed in detail.
title: Static and Dynamic Disorder of Charge Transfer States Probed by Optical Spectroscopy
Creators: name: Kahle, Frank-Julian
name: Rudnick, Alexander
name: Wedler, Stefan
name: Saxena, Rishabh
name: Ammenhäuser, Robin
name: Scherf, Ullrich
name: Bagnich, Sergey
name: Bässler, Heinz
name: Köhler, Anna
Publisher: name: University of Bayreuth
Year: 2022
Subjects: subject: donor–acceptor blends
subject: inhomogeneous line broadening
subject: non-fullerene acceptors
subject: photoluminescence-linewidth
subject: spectral diffusion
subject: 530

description: Since the key role of charge transfers (CT) states has been identified for organic solar cells (OSCs), research into their properties is a timely topic. Conventionally, their absorption and emission spectra are described in terms of Marcus’ electron transfer theory. This is a single site approach with the essential parameter being the reorganization energy. Thus, it ignores ensemble effects, notably the role of static disorder that is inevitably present in a spin-coated OSC film. Here time dependent photoluminescence spectroscopy is applied on blends of the polymeric donor MeLPPP with either the non-fullerene acceptor SF-PDI2 or with PC61BM within a temperature range from 295 to 5 K. The authors monitor how initially excited singlet states are converted to emissive CT states. Concomitantly, emission from residual singlets on the acceptor is observed rather than hybrid CT-states. The role of spectral diffusion in this process is discussed. From the temperature and time dependent linewidths of absorption, fluorescence, and CT emission, the static and dynamic contributions to the total disorder are inferred. In both blends, at 295 K, the contribution of static disorder is comparable to the dynamic disorder.
Thresholds of Large N Factorization in CFT4 : Exploring bulk spacetime in AdS5
Creators: name: Garner, David
name: Ramgoolam, Sanjaye
name: Wen, Congkao
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Large $N$ factorization ensures that, for low-dimension gauge-invariant operators in the half-BPS sector of ${\cal N}=4$ SYM, products of holomorphic traces have vanishing correlators with single anti-holomorphic traces. This vanishing is necessary to consistently map trace operators in the CFT$_4$ to a Fock space of graviton oscillations in the dual AdS$_5$. We investigate the regimes at which the CFT correlators do not vanish but become of order one in the large $N$ limit, which we call a factorization threshold. Quite generally, we find the threshold to be when the product of the two holomorphic operator dimensions is of order $N\log N$. Our analysis considers extremal and non-extremal correlators and correlators in states dual to LLM backgrounds, and we observe intriguing similarities between the the energy-dependent running coupling of non-abelian gauge theories and our threshold equations. Finally, we discuss some interpretations of the threshold within the bulk AdS spacetime.
description: 52 pages, 6 figures
Quantum Coherent Transport in SnTe Topological Crystalline Insulator Thin Films
Creators: name: Assaf, Badih A.
name: Katmis, Ferhat
name: Wei, Peng
name: Satpati, Biswarup
name: Zhang, Zhan
name: Bennett, Steven P.
name: Harris, Vincent G.
name: Moodera, Jagadeesh S.
name: Heiman, Don
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Topological crystalline insulators (TCI) are unique systems where a band inversion that is protected by crystalline mirror symmetry leads to a multiplicity of topological surface states. Binary SnTe is an attractive lead-free TCI compound; the present work on high-quality thin films provides a route for increasing the mobility and reducing the carrier density of SnTe without chemical doping. Results of quantum coherent magnetotransport measurements reveal a multiplicity of Dirac surface states that are unique to TCI. Modeling of the weak antilocalization shows variations in the extracted number of carrier valleys that reflect the role of coherent intervalley scattering in coupling different Dirac states on the degenerate TCI surface.
description: Updated abstract to published version
Nesting Induced Large Magnetoelasticity in the Iron Arsenide Systems
Creators: name: Paul, I.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: A novel feature of the iron arsenides is the magnetoelastic coupling between the long wavelength in-plane strains of the lattice and the collective spin fluctuations of the electrons near the magnetic ordering wavevectors. Here, we study its microscopic origin from an electronic model with nested Fermi pockets and a nominal interaction. We find the couplings diverge with a power-law as the system is tuned to perfect nesting. Furthermore, the theory reveals how nematicity is boosted by nesting. These results are relevant for other systems with nesting driven density wave transitions.
description: minor content changes from v2; 9 pages, 6 figures
Saviour or Stigmatized? A Malaysia Perspective on COVID-19 Frontliners
Creators: name: Ating, Rashid
Publisher: name: Zenodo
Year: 2023
Subjects: frontliner's, Malaysia, COVID-19

description: This op-ed explores the backstory of the frontliners lives when COVID-19 first struck Malaysia. They put themselves at a much higher risk than normal people because they had to care for patients who had positive infections. They also have families and their own lives, and every day they gamble with their lives, running the risk of getting infected and infecting their loved ones too. There are unsung heroes, and this op-ed is dedicated to them
Beanspruchte Berufsbeiständinnen und Berufsbeistände
Creators: name: Menn, Daniel
Publisher: name: Berner Fachhochschule - Soziale Arbeit
Year: 2023
Subjects: Beistand
Kinder und Jugendliche

description: Berufsbeiständinnen und Berufsbeistände des zivilrechtlichen Kindes- und Jugendschutzes werden in ihrer Funktion durch ein komplexes Netz von Erwartungen beansprucht. Im Kern umfasst ihr Auftrag, die psychophysiologische Gesundheit von Kindern und Jugendlichen zu schützen. Den Beistandspersonen obliegt dabei die Aufgabe, Entscheide auch gegen Widerstände zu vertreten, ohne das gesamte Spektrum an Folgen für das Leben der Kinder und Jugendlichen abschätzen zu können. Die vorliegende Studie unterliegt der These, dass Beistandspersonen ihr arbeitsbedingtes Belastungserleben aktiv beeinflussen können, um ihre Gesundheit zu wahren und verfolgt die Fragestellung, wie Mandatsträger:innen Belastungen steuern, die in ihrer Arbeitswelt entstehen. Die Studie umfasst neun problemzentrierte Interviews mit Beistandspersonen der Region Nordwestschweiz, die mit der inhaltlich strukturierenden qualitativen Inhaltsanalyse ausgewertet wurden. Als Resultat der Forschungsarbeit wurde ein Prozessmodell der Belastungssteuerung entwickelt, das vier Verhaltenstypologien im Umgang mit arbeitsbedingter Belastung differenziert. Die Studie zeigt strukturbedingt, dass der personellen Stabilität sowie der Qualität der interdisziplinären Vernetzung im Rahmen der Belastungssteuerung eine hohe Bedeutung beizumessen ist. Intersubjektiv steht die Orientierung über Verantwortlichkeiten der Mandatsträger:innen und die damit verbundene Delegation von Verantwortung im Zentrum, die sich an die eigene Person, an die Organisation, an die Klientel, an die auftraggebende Behörde sowie an weitere prozessbeteiligte Institutionen richtet.
Das Erleben von Jugendlichen während der Zeit in der geschlossenen Unterbringung
Creators: name: Ambiel, Amanda Rachel
Publisher: name: Berner Fachhochschule - Soziale Arbeit
Year: 2023
Subjects: Geschlossene Unterbringung
Jugendliche

description: Die Schweiz bietet viele divers ausgerichtete Institutionstypen für Kinder und Jugendliche, welche jedoch – aufgrund ihres föderalistischen Systems – weder systematisch festgehalten, noch grossflächig untersucht sind. Es gab und gibt Bemühungen, das Leben und das Arbeiten in Heimen zu untersuchen. Aus der Heimforschung geht jedoch hervor, dass die Sicht der Adressat:innenschaft während der Heimunterbringung bisher kaum explizit aufgegriffen wurde – weder in offenen, noch in geschlossenen Settings. Vor diesem Hintergrund wird in der vorliegenden Masterarbeit genau dieser Frage nachgegangen. In diesem Zusammenhang werden elf leitfadenorientierte Interviews mit Jugendlichen durchgeführt und sechs davon, orientiert an der Auswertungsmethode der inhaltlichen Strukturierung, analysiert. Das Ziel der Analyse ist es, entsprechend den zentralen Fragestellungen der Erhebung Erkenntnisse darüber zu gewinnen, wie Jugendliche die geschlossene Unterbringung erleben, welche Strategien sie während der Zeit der Platzierung entwickeln und welche Schlussfolgerungen daraus resultierend für die Weiterentwicklung der Begleitung und des Kontextes gezogen werden können. Im Rahmen der Ergebnisdarstellung erkennt die Verfasserin, dass die Jugendlichen meist negativ der geschlossenen Unterbringung gegenüberstehen und während der Unterbringung mit etlichen Herausforderungen und auch negativem Erleben konfrontiert werden. Neben dem negativen Erleben zeigt sich auch positives; meist in Bezug auf die Gruppe der Jugendlichen oder in Bezug auf die Beziehung zu den Fachpersonen. Die Jugendlichen entwickeln im Setting Strategien, um den Alltag zu überstehen und können Hinweise darauf geben, wie sich der Kontext und die Begleitung der darin arbeitenden Fachpersonen weiterentwickeln können
Auswirkungen des bedingungslosen Grundeinkommens und der wirtschaftlichen Sozialhilfe auf die soziale und berufliche Integration
Creators: name: Bühlmann, Anita
Publisher: name: Hochschule Luzern - Soziale Arbeit
Year: 2023
Subjects: Berufliche Integration
Sozialhilfe
Bedingungsloses Grundeinkommen

description: In der vorliegenden Arbeit «Auswirkungen des bedingungslosen Grundeinkommens und der wirtschaftlichen Sozialhilfe auf die soziale und berufliche Integration» befasst sich die Autorin Anita Bühlmann mit der sozialen und beruflichen Integration sowie den beiden Systemen der sozialen Sicherheit: bedingungsloses Grundeinkommen und wirtschaftliche Sozialhilfe. Dabei geht sie den Fragen nach, welche Auswirkungen ein bedingungsloses Grundeinkommen und die wirtschaftliche Sozialhilfe auf die Integration haben und welche Schlussfolgerungen sich daraus für die Soziale Arbeit ableiten lassen. Dafür hat die Autorin fünf Projekte über das bedingungslose Grundeinkommen im Ausland sowie vier Studien über Integrationsmassnahmen in der wirtschaftlichen Sozialhilfe untersucht. Die Ergebnisse werden anhand von Theorien eingeordnet und aus Sicht der Sozialen Arbeit bewertet. Diese Einordnung und Bewertung zeigen, dass die Integration von persönlichen Bedürfnissen wie auch von vorhandenen Kapitalsorten abhängig ist. Bezahlte und unbezahlte Tätigkeiten wie auch die Teilnahme an Integrationsprogrammen fördern die Integration und wirken der sozialen Isolation entgegen. Dies bedeutet, dass die individuelle Situation der betroffenen Person zu berücksichtigen ist und bedürfnisgerechte Leistungen zu finanzieren sind. Die nach der Auseinandersetzung resultierenden Schlussfolgerungen sollen in künftige Überlegungen der Sozialen Arbeit einfliessen.
A novel glycosphingolipid that may participate in embryo inversion in Volvox carteri
Creators: name: Wenzl, Stephan
name: Sumper, Manfred
Publisher: name: Universität Regensburg
Year: 1986
Subjects: subject: 570 Biowissenschaften, Biologie
subject: 610 Medizin
subject: Algae, Green/ultrastructure
subject: Antibodies, Monoclonal/diagnostic use
subject: Cell Membrane/physiology
subject: Fluorescent Antibody Technique
subject: Glycosphingolipids/physiology
subject: Morphogenesis

description: Mouse monoclonal antibody 4-I-244 detects a developmentally regulated antigen in embryos of Volvox carteri and inhibits specifically the morphogenetic process of inversion (the process by which the embryo turns inside out). Antigen 4-I-244 was chemically characterized as a complex phytosphingolipid containing the neutral sugars xylose, galactose, and glucose as well as inositol and phosphate.
Quantum Spectral Curve at Work: From Small Spin to Strong Coupling in N=4 SYM
Creators: name: Gromov, Nikolay
name: Levkovich-Maslyuk, Fedor
name: Sizov, Grigory
name: Valatka, Saulius
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We apply the recently proposed quantum spectral curve technique to the study of twist operators in planar N=4 SYM theory. We focus on the small spin expansion of anomalous dimensions in the sl(2) sector and compute its first two orders exactly for any value of the 't Hooft coupling. At leading order in the spin S we reproduced Basso's slope function. The next term of order S^2 structurally resembles the Beisert-Eden-Staudacher dressing phase and takes into account wrapping contributions. This expansion contains rich information about the spectrum of local operators at strong coupling. In particular, we found a new coefficient in the strong coupling expansion of the Konishi operator dimension and confirmed several previously known terms. We also obtained several new orders of the strong coupling expansion of the BFKL pomeron intercept. As a by-product we formulated a prescription for the correct analytical continuation in S which opens a way for deriving the BFKL regime of twist two anomalous dimensions from AdS/CFT integrability.
description: 53 pages, references added; v3: due to a typo in the coefficients C_2 and D_2 on page 29 we corrected the rational part of the strong coupling predictions in equations (1.5-6), (6.22-24), (6.27-30) and in Table 1
European small-town Renewable Energy Communities: Participatory design of supporting tools as a vehicle to engage and understand local communities and their energy related concerns
Creators: name: Blanke, Julia
name: González, Alberto
name: D’Oca, Simona
name: Niederkofler, Michael
name: Nordlund, Edvard
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Social and Behavioral Sciences

description: This data set was collected in the context of the EU Horizon 2020 project LocalRes focusing on the energy transition and the involvement of citizens. Co-design workshops were held with citizens in four different demonstration sites in Europe to develop Renewable Energy Communities and introducing support tools like an application to foster this process. The aim was to gather the information regarding the interests, needs and concerns of citizens regarding the support tools and the Renewable Energy Community itself. The presented data is based on a questionnaire which was handed out during the workshops.
Integrationserfahrungen von Migrant*innen im Schweizer Arbeitsmarkt
Creators: name: Bühler, Solveig
name: Zumoberhaus, Nora
Publisher: name: Hochschule Luzern - Soziale Arbeit
Year: 2023
Subjects: Arbeitsintegration
Migration

description: In der vorliegenden Bachelorarbeit befassen sich die beiden Autorinnen Solveig Bühler und Nora Zumoberhaus mit der subjektiven Wahrnehmung von Migrant*innen auf ihre Integration in den Schweizer Arbeitsmarkt. Sie interessieren sich für die individuell wahrgenommenen förderlichen und hinderlichen Aspekte, welche sie anhand narrativen Interviews erfassten. Die Autorinnen gehen in der Arbeit drei Fragestellungen nach: zum bestehenden Forschungs- und Wissenstand, zu den subjektiven Erfahrungen der Interviewgruppe sowie zur Rolle und Relevanz der Sozialen Arbeit. Die Forschungsergebnisse wurden anschliessend mit dem Wissensstand der Literatur diskutiert und daraus Handlungsempfehlungen für die Soziale Arbeit aufgestellt. Es wurde ersichtlich, dass die aktivierende Arbeitsmarktpolitik das Ziel verfolgt, die Eingliederung in die Arbeitswelt möglichst schnell zu gestalten und dabei die Begeisterung und Sinnhaftigkeit für eine Arbeitsstelle unter Umständen unbeachtet bleibt. Eine weitere Erkenntnis stellt die grosse Motivation der befragten Personen dar, die als Ressource genutzt werden kann, sofern diese als solche anerkannt wird. Netzwerke wurden nicht nur während der Interviews als sehr bedeutender, förderlicher Faktor genannt; Auch die Autorinnen erkannten in solchen sozialen Gefügen und Beziehungen einen hohen Stellenwert für migrierte Personen, da die befragten Personen im Prozess der Integration in den Schweizer Arbeitsmarkt nie zur Zielgruppe von Programmen der Arbeitsintegration gehörten, sondern ihren Zugang oftmals selbständig durch Netzwerke geschaffen haben.
title: Understanding the broader impacts of firearm violence trauma in the United States: A scoping review
Creators: name: Kaufman, Elinore
name: Jacoby, Sara
name: Giraldi, Deanna Marie
name: Melendez-Torres, G.J.
name: Kirk, David
name: Humphreys, David K.
Publisher: name: OSF Registries
Year: 2023
Subjects: subject: Community-based Research
subject: Criminology
subject: FOS: Law
subject: Social Psychology and Interaction
subject: Social and Behavioral Sciences
subject: Sociology
subject: FOS: Sociology
subject: burden
subject: exposure
subject: firearm violence
subject: guns
subject: non-fatal
subject: survivors
subject: trauma

description: There has been a gradual increase in research and public debate examining the burden of firearm violence on mortality and morbidity in the United States. While public attention tends to be focused on the aftermath of mass shooting events, the broader social impact of exposure to everyday interpersonal firearm violence is under researched. The aim of this scoping review is three-fold: (1) to describe how the current literature conceptualizes impacts of firearm violence (e.g. mental health, physical health, community health, quality of life, etc.); (2) to explore the social and developmental harms of exposure to firearm violence for survivors, families, and their communities, and (3) to identify gaps to set a research agenda moving forward. This review will systematically search articles describing impacts of both lethal and non-lethal firearm violence, including but not limited to interpersonal violence, unintentional shootings, and mass shootings. Anatomical wound evaluations and surgical interventions, suicide and self-harm tragedies, shooting events outside of the United States, and articles not written in English will be excluded. Using PRISMA-ScR guidelines, we will conduct a scoping review of 7 databases (PubMed (MEDLINE), Embase, Scopus, PsycINFO, CINAHL, Proquest Social Science Premium (ASSIA, NCJRS, and ERIC) and Web of Science) for articles published after the April 1999 mass shooting at Columbine High School (a major turning point in U.S. firearm violence discourse) describing the acute, long-term, and cumulative impacts of exposure to firearm violence. Keywords firearm violence, trauma, exposure, survivors, burden, guns, non-fatal
VR-Technologie in der stationären Altersarbeit
Creators: name: Krenger, Pia
Publisher: name: Berner Fachhochschule - Soziale Arbeit
Year: 2023
Subjects: Soziale Arbeit
Virtual Reality
Demenz

description: Die hohe Anzahl von Menschen im 3. und 4. Lebensalter stellt für die Gesellschaft eine Herausforderung dar. Der wachsende Anteil von Menschen mit Demenz in Altersinstitutionen erfordert geragogische Massnahmen, um Menschen darin zu unterstützen, bis ins hohe Alter lernen zu können. Die Masterthesis setzt sich daher mit dem geragogischen Einsatz von VR-Technologie bei alten, an Demenz erkrankten Menschen auseinander, um Chancen und Risiken zu erkennen. Anhand von Praxisbeispielen aus Deutschland wird der Einsatz von VR-Head-Mounted Displays vorgestellt. Eine kleine qualitative Untersuchung mit alten, an Demenz erkrankten Menschen in einem Alters- und Pflegeheim zeigt exemplarisch die Möglichkeiten im konkreten Einsatz von VRTechnologie auf. Trotz Alter und damit einhergehender Krankheit oder Gebrechlichkeit können Seniorinnen und Senioren mithilfe von 360-Grad-Videos in der virtuellen Realität hautnah Ausflüge unternehmen und Erinnerungen wachrufen. Die Anwendungen helfen, gemäss dem geragogischen Lernverständnis, im Lebensalltag neue Impulse zu geben. Durch solche Impulse können alte Menschen ihre Situation als zufriedenstellender empfinden. Dies scheint sich positiv auf die Gesundheit auszuwirken. Um Risiken zu minimieren, ist Begleitung nötig, die darin geschult ist, gemeinsam mit alten Menschen für sie passende Anwendungen/Inhalte auszuwählen und eine Situation zu gestalten, in der das Bedürfnis nach Autonomie, Eingebunden-Sein, Verstehen, Selbstwirksamkeit, Sinn und Sicherheit gewährleistet ist. VR-Technologie kann so Teilhabe und Lernen unterstützen.
Perceptions of People at Workplace
Creators: name: Guo, Yingchi
name: Schmader, Toni
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Social Psychology
subject: Psychology
subject: FOS: Psychology
subject: Social and Behavioral Sciences
subject: Allyship
subject: Diversity
subject: Gender
subject: Inclusive

description: This document pre-registers the formal study 3 of this project, which utilizes the selected stimuli from the previous studies to test men's expected evaluation from other people when imagining themselves taking actions to help women.
The effect of dance on physical health and cognition in community dwelling older adults: a systematic review and meta-analysis
Creators: name: CLIFFORD, AMANDA
name: Shanahan, Joanne
name: McGee, Jennifer
name: Cleary, Triona
name: O'Neill, Aoife
name: O'Gorman, Marie
name: Low, Quinette
name: NI BHRIAIN, ORFHLAITH
Publisher: name: University of Limerick
Year: 2022
Subjects: subject: Health sciences
subject: FOS: Health sciences

description: Background: Dancing is an attractive form of exercise among older adults and may positively influence physical and psychosocial health. The aim of this systematic review was to synthesize the evidence examining the dance prescription and effectiveness of dance in community dwelling older adults. Methods: Eight databases were searched to identify randomized controlled trials that evaluated the effectiveness of dance programs on community-dwelling older adults from 2007 to December 2020. Data regarding participants, dance programs and outcomes of interest were extracted and narratively synthesized. A meta-analysis was performed on the outcome data where possible. Results: Twenty-two studies met the inclusion criteria, of those 15 were deemed to be fair quality and 7 high quality using the PEDro scale. Nineteen studies included in the meta-analysis found that dancing can improve mobility and endurance compared to no intervention and afforded equivalent outcomes compared to other exercise programs. Conclusion: The findings suggest that dance is an effective, safe and viable activity for community-dwelling older adults..