cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
MHD Simulation of the Inner-Heliospheric Magnetic Field
Creators: name: Wiengarten, T.
name: Kleimann, J.
name: Fichtner, H.
name: Cameron, R.
name: Jiang, J.
name: Kissmann, R.
name: Scherer, K.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Space Physics (physics.space-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Maps of the radial magnetic field at a heliocentric distance of ten solar radii are used as boundary conditions in the MHD code CRONOS to simulate a 3D inner-heliospheric solar wind emanating from the rotating Sun out to 1 AU. The input data for the magnetic field are the result of solar surface flux transport modelling using observational data of sunspot groups coupled with a current sheet source surface model. Amongst several advancements, this allows for higher angular resolution than that of comparable observational data from synoptic magnetograms. The required initial conditions for the other MHD quantities are obtained following an empirical approach using an inverse relation between flux tube expansion and radial solar wind speed. The computations are performed for representative solar minimum and maximum conditions, and the corresponding state of the solar wind up to the Earths orbit is obtained. After a successful comparison of the latter with observational data, they can be used to drive outer-heliospheric models.
description: for associated wmv movie files accompanying Figure 7, see http://www.tp4.rub.de/~tow/max.wmv and http://www.tp4.rub.de/~tow/min.wmv
Effect of rhythmic auditory cueing on parkinsonian gait: A systematic review and meta-analysis
Creators: name: Ghai, Shashank
name: Ghai, Ishan
name: Schmitz, Gerd
name: Effenberg, Alfred O.
Publisher: name: London : Nature Publishing Group
Year: 2018
Subjects: subject: Parkinson’s disease
subject: rhythmic auditory cueing
subject: PRISMA guidelines
subject: Dewey Decimal Classification::500 | Naturwissenschaften

description: The use of rhythmic auditory cueing to enhance gait performance in parkinsonian patients' is an emerging area of interest. Different theories and underlying neurophysiological mechanisms have been suggested for ascertaining the enhancement in motor performance. However, a consensus as to its effects based on characteristics of effective stimuli, and training dosage is still not reached. A systematic review and meta-analysis was carried out to analyze the effects of different auditory feedbacks on gait and postural performance in patients affected by Parkinson's disease. Systematic identification of published literature was performed adhering to PRISMA guidelines, from inception until May 2017, on online databases; Web of science, PEDro, EBSCO, MEDLINE, Cochrane, EMBASE and PROQUEST. Of 4204 records, 50 studies, involving 1892 participants met our inclusion criteria. The analysis revealed an overall positive effect on gait velocity, stride length, and a negative effect on cadence with application of auditory cueing. Neurophysiological mechanisms, training dosage, effects of higher information processing constraints, and use of cueing as an adjunct with medications are thoroughly discussed. This present review bridges the gaps in literature by suggesting application of rhythmic auditory cueing in conventional rehabilitation approaches to enhance motor performance and quality of life in the parkinsonian community. © 2018 The Author(s).
Replication package for: "Economic Preferences and Personality Traits Among Finance Professionals and the General Population".
Creators: name: Holmen, Martin
name: Holzmeister, Felix
name: Kirchler, Michael
name: Stefan, Matthias
name: Wengström, Erik
Publisher: name: Zenodo
Year: 2023

description: Replication Package for: Holmen, M., Holzmeister, F., Kirchler, M., Stefan, M., Wengström, E. (2023), Economic Preferences and Personality Traits Among Finance Professionals and the General Population, Economic Journal.
Movement Sonification: Effects on Motor Learning beyond Rhythmic Adjustments
Creators: name: Effenberg, Alfred O.
name: Fehse, Ursula
name: Schmitz, Gerd
name: Krueger, Bjoern
name: Mechling, Heinz
Publisher: name: Lausanne : Frontiers Media S.A.
Year: 2016
Subjects: subject: audiovisual information
subject: motor learning
subject: motor perception
subject: motor rehabilitation
subject: movement sonification
subject: multisensory integration
subject: Dewey Decimal Classification::300 | Sozialwissenschaften, Soziologie, Anthropologie::370 | Erziehung, Schul- und Bildungswesen

description: Motor learning is based on motor perception and emergent perceptual-motor representations. A lot of behavioral research is related to single perceptual modalities but during last two decades the contribution of multimodal perception on motor behavior was discovered more and more. A growing number of studies indicates an enhanced impact of multimodal stimuli on motor perception, motor control and motor learning in terms of better precision and higher reliability of the related actions. Behavioral research is supported by neurophysiological data, revealing that multisensory integration supports motor control and learning. But the overwhelming part of both research lines is dedicated to basic research. Besides research in the domains of music, dance and motor rehabilitation, there is almost no evidence for enhanced effectiveness of multisensory information on learning of gross motor skills. To reduce this gap, movement sonification is used here in applied research on motor learning in sports. Based on the current knowledge on the multimodal organization of the perceptual system, we generate additional real-time movement information being suitable for integration with perceptual feedback streams of visual and proprioceptive modality. With ongoing training, synchronously processed auditory information should be initially integrated into the emerging internal models, enhancing the efficacy of motor learning. This is achieved by a direct mapping of kinematic and dynamic motion parameters to electronic sounds, resulting in continuous auditory and convergent audiovisual or audio-proprioceptive stimulus arrays. In sharp contrast to other approaches using acoustic information as error-feedback in motor learning settings, we try to generate additional movement information suitable for acceleration and enhancement of adequate sensorimotor representations and processible below the level of consciousness. In the experimental setting, participants were asked to learn a closed motor skill (technique acquisition of indoor rowing). One group was treated with visual information and two groups with audiovisual information (sonification vs. natural sounds). For all three groups learning became evident and remained stable. Participants treated with additional movement sonification showed better performance compared to both other groups. Results indicate that movement sonification enhances motor learning of a complex gross motor skill-even exceeding usually expected acoustic rhythmic effects on motor learning.
Replication package for: "Economic Preferences and Personality Traits Among Finance Professionals and the General Population".
Creators: name: Holmen, Martin
name: Holzmeister, Felix
name: Kirchler, Michael
name: Stefan, Matthias
name: Wengström, Erik
Publisher: name: Zenodo
Year: 2023

description: Replication Package for: Holmen, M., Holzmeister, F., Kirchler, M., Stefan, M., Wengström, E. (2023), Economic Preferences and Personality Traits Among Finance Professionals and the General Population, Economic Journal.
title: Kreatywne miejsca pracy w przemyśle 4.0
Creators: name: Pieczara, Marta
Publisher: name: Publishing House of Poznan University of Technology
Year: 2023

description: Zeszyty Naukowe Politechniki Poznańskiej. Architektura, Urbanistyka, Architektura Wnętrz, 14, 29-46
Saturation of gluon density and soft p-p collisions at LHC
Creators: name: Lykasov, G. I.
name: Grinyuk, A. A.
name: Bednyakov, V. A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate the unintegrated gluon distribution at low intrinsic transverse momenta and its parameters are found from the best description of the SPS and LHC data on the $pp$ collision in the soft kinematical region. It allows us to study the saturation of the gluon density at low $Q^2$ more carefully and find the saturation scale.
description: 11 pages, 8 figures. Contributed to the 4th International Workshop MPI@LHC 2012, 3-7 December 2012 CERN and to the Conference HSQCD-2012, Gatchina, Russia, 4-8 July, 2012
A simple stochastic parameterization for reduced models of multiscale dynamics
Creators: name: Abramov, Rafail V.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Dynamical Systems (math.DS)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 37M, 37N, 60G

description: Multiscale dynamics are frequently present in real-world processes, such as the atmosphere-ocean and climate science. Because of time scale separation between a small set of slowly evolving variables and much larger set of rapidly changing variables, direct numerical simulations of such systems are difficult to carry out due to many dynamical variables and the need for an extremely small time discretization step to resolve fast dynamics. One of the common remedies for that is to approximate a multiscale dynamical systems by a closed approximate model for slow variables alone, which reduces the total effective dimension of the phase space of dynamics, as well as allows for a longer time discretization step. Recently we developed a new method for constructing a deterministic reduced model of multiscale dynamics where coupling terms were parameterized via the Fluctuation-Dissipation theorem. In this work we further improve this previously developed method for deterministic reduced models of multiscale dynamics by introducing a new method for parameterizing slow-fast interactions through additive stochastic noise in a systematic fashion. For the two-scale Lorenz 96 system with linear coupling, we demonstrate that the new method is able to recover additional features of multiscale dynamics in a stochastically forced reduced model, which the previously developed deterministic method could not reproduce.
Streng biomimetische Modellsysteme für die Biomineralisation von Siliciumdioxid auf der Basis von Polyaminen oder Alkylglycosiden
Creators: name: Cordes, Petra
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2006
Subjects: subject: Biomineralisation
subject: Silica
subject: Modellsysteme
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: [no abstract]
Observation of in-gap surface states in the Kondo insulator SmB6 by photoemission
Creators: name: Jiang, J.
name: Li, S.
name: Zhang, T.
name: Sun, Z.
name: Chen, F.
name: Ye, Z. R.
name: Xu, M.
name: Ge, Q. Q.
name: Tan, S. Y.
name: Niu, X. H.
name: Xia, M.
name: Xie, B. P.
name: Li, Y. F.
name: Chen, X. H.
name: Wen, H. H.
name: Feng, D. L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Kondo insulators (KIs) are strongly correlated materials in which the interactions between 4f and conduction electrons lead to a hybridization gap opening at low temperature 1-2. SmB6 is a typical KI, but its resistivity does not diverge at low temperatures, which was attributed to some in-gap states 3-10. However after several decades of research, the nature and origin of the in-gap states remain unclear. Recent band calculation and transport measurements suggest that the in-gap states could actually be ascribed to topological surface states. SmB6 thus might be the first realization of topological Kondo insulator (TKI) 13, the strongly correlated version of topological insulator (TI) 11,12. Here by performing angle-resolved photoemission spectroscopy (ARPES), we directly observed several dispersive states within the hybridization gap of SmB6, which cross the Fermi level and show negligible kz dependence, indicative of their surface origin. Furthermore, the circular dichroism (CD) ARPES results of the in-gap states suggest the chirality of orbital momentum, and temperature dependent measurements have shown that the in-gap states vanish simultaneously with the hybridization gap around 150 K. These strongly suggest their possible topological origin.
description: 18 pages, 8 figures
Micronutrient status of recreational runners with vegetarian or non-vegetarian dietary patterns
Creators: name: Nebl, Josefine
name: Schuchardt, Jan Philipp
name: Ströhle, Alexander
name: Wasserfurth, Paulina
name: Haufe, Sven
name: Eigendorf, Julian
name: Tegtbur, Uwe
name: Hahn, Andreas
Publisher: name: Basel : MDPI AG
Year: 2019
Subjects: subject: Nutrient status
subject: Nutrient supply
subject: Recreational athletes
subject: Veganism
subject: Vegetarianism
subject: Dewey Decimal Classification::600 | Technik::610 | Medizin, Gesundheit

description: Vegetarian diets have gained popularity in sports. However, few data exist on the status of micronutrients and related biomarkers for vegetarian and vegan athletes. The aim of this cross-sectional study was to compare the micronutrient status of omnivorous (OMN, n = 27), lacto-ovo-vegetarian (LOV, n = 26), and vegan (VEG, n = 28) recreational runners. Biomarkers of vitamin B12, folate, vitamin D, and iron were assessed. Additionally, serum levels of calcium, magnesium, and zinc were examined. Lifestyle factors and supplement intake were recorded via questionnaires. About 80% of each group showed vitamin B12 adequacy with higher levels in supplement users. Mean red blood cell folate exceeded the reference range (>340 nmol/L) in all three groups (OMN: 2213 ± 444, LOV: 2236 ± 596, and VEG: 2354 ± 639 nmol/L; not significant, n.s.). Furthermore, vitamin D levels were comparable (OMN: 90.6 ± 32.1, LOV: 76.8 ± 33.7, and VEG: 86.2 ± 39.5 nmol/L; n.s.), and we found low prevalence (<20%) of vitamin D inadequacy in all three groups. Less than 30% of each group had depleted iron stores, however, iron deficiency anemia was not found in any subject. Our findings suggest that a well-planned, health-conscious lacto-ovo-vegetarian and vegan diet, including supplements, can meet the athlete’s requirements of vitamin B12, vitamin D and iron.
Uncovering the Lagrangian from Observations of Trajectories
Creators: name: Berchenko-Kogan, Yakov Ilich
Publisher: name: California Institute of Technology
Year: 2011
Subjects: subject: Mathematics
subject: FOS: Mathematics
subject: control and dynamical systems
subject: Lagrangian

description: We approach the problem of automatically modeling a mechanical system from data about its dynamics, using a method motivated by variational integrators. We write the discrete Lagrangian as a quadratic polynomial with varying coefficients, and then use the discrete Euler-Lagrange equations to numerically solve for the values of these coefficients near the data points. This method correctly modeled the Lagrangian of a simple harmonic oscillator and a simple pendulum, even with significant measurement noise added to the trajectories.
An efficient decomposition technique to solve angle-dependent Hanle scattering problems
Creators: name: Supriya, H. D.
name: Sampoorna, M.
name: Nagendra, K. N.
name: Ravindra, B.
name: Anusha, L. S.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Hanle scattering is an important diagnostic tool to study weak solar magnetic fields. Partial frequency redistribution (PRD) is necessary to interpret the linear polarization observed in strong resonance lines. Usually angle-averaged PRD functions are used to analyze linear polarization. However it is established that angle-dependent PRD functions are often necessary to interpret polarization profiles formed in the presence of weak magnetic fields. Our aim is to present an efficient decomposition technique, and the numerical method to solve the concerned angle-dependent line transfer problem. Together with the standard Stokes decomposition technique we employ Fourier expansion over the outgoing azimuth angle to express in a more convenient form, the angle-dependent PRD function for the Hanle effect. It allows the use of angle-dependent frequency domains of Bommier to solve the Hanle transfer problem. Such an approach is self-consistent and accurate compared to a recent approach where angle-averaged frequency domains were used to solve the same problem. We show that it is necessary to incorporate angle-dependent frequency domains instead of angle-averaged frequency domains to solve the Hanle transfer problem accurately, especially for the Stokes U parameter. The importance of using angle-dependent domains has been highlighted by taking the example of Hanle effect in the case of line transfer with vertical magnetic fields in a slab atmosphere. We have also studied the case of polarized line formation when micro-turbulent magnetic fields are present. The difference between angle-averaged and angle-dependent solutions is enhanced by the presence of micro-turbulent fields.
description: 18 pages, 5 figures
String field theory : methods and solutions
Creators: name: Uhlmann, Sebastian
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2003
Subjects: subject: String field theory
subject: Tachyon condensation
subject: D-branes
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: [no abstract]
Dineutron formation and breaking in $^8$He
Creators: name: Kobayashi, Fumiharu
name: Kanada-En'yo, Yoshiko
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We discuss the correlation of the spin-singlet two-neutron pair, the dineutron correlation, in the ground and excited $0^+$ states of $^8$He by using a method to describe the dineutron correlation in neutron-rich nuclei, the dineutron condensate wave function. The shell-model configuration and the dineutron configuration compete with each other in the ground state of $^8$He. We compare the ground state structure of $^8$He with that of $^6$He and suggest that the dineutron correlation is weaker in the ground state of $^8$He than $^6$He. We also suggest the possibility of the dineutron condensation in an excited $0^+$ state of $^8$He. In addition, we investigate the formation mechanism of the dineutron condensation in $^8$He by using a newly developed framework, $α$ and dineutron condensate wave function, and conclude that the attraction from the core is essential for the formation of the dineutron condensation.
description: 17 pages, 7 figures
Ultra-relativistic, neutrino driven flows in GRBs: A double transonic flow solution in Schwarzschild spacetime
Creators: name: Levinson, Amir
name: Globus, Noemie
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The structure of a hydrodynamic, double transonic flow driven by neutrino annihilation in the polar region of a Schwarzschild black hole is computed for different energy deposition profiles. The requirement that both, the inflow into the black hole and the outflow to infinity pass smoothly through their sonic points fixes the stagnation radius and stagnation pressure. The asymptotic power of the outflow is shown to be the integral of the energy deposition rate above the stagnation radius. The outflow production efficiency depends on the energy deposition profile, and is generally higher for shallower profiles. Using recent calculations of the neutrino annihilation rate, we estimate that over 50 percents of the total energy deposited above the horizon can emerge in the form of a relativistic outflow at infinity. The continuous creation of plasma during the expansion of the outflow leads to generation of a large specific entropy. This has important implications for the prompt photospheric emission in GRBs.
description: 12 pages, 3 figures
The Abundance and Behavior of Viruses in Ancient Seawater and Modern Iron-rich Environments
Creators: name: Liu, Hanna Ken-Yuin
Publisher: name: California Institute of Technology
Year: 2011
Subjects: Geobiology
virus
viral adsorption by silica
banded iron formations

description: The proclivity of silica for ferric hydroxide sorption sites allows for an Archean iron cycle involving iron-silica co-precipitation and deposition of banded iron formations (BIF). Considering the tendency of viruses to also sorb iron, here we investigate the possibility that viruses were involved in the iron cycle and potentially deposited in BIFs. A known concentration of Syn33a cyanophages was introduced into each media and the viral particles remaining in solution after a short centrifugation were enumerated using epifluorescence microscopy. The number of particles sequestered on the siliceous ferric oxide precipitate was estimated by difference. Similar to previous experiments, we observed a strong affinity of viral particles for iron oxides in the absence of silica. However, we also observe competitive inhibition of viral adsorption by silica, though only when silica is raised to concentrations of 670 μM. Ultimately, our data reveal that interactions between iron, silica, and viruses would have affected virus dynamics and corresponding biogeochemistry in the Archean ocean. Similar dynamics are predicted to occur in iron-rich environments today.
Die Martinskirche in Neckartailfingen
Creators: name: Bleyer, Hans-Jürgen
name: Knapp, Ulrich
name: Marstaller, Tilmann
Publisher: name: Südwestdeutsche Beiträge zur historischen Bauforschung
Year: 2016

description: [nicht vorhanden / not available]
description: Südwestdeutsche Beiträge zur historischen Bauforschung, Bd. 4 (1999)
Dynamik des Transports in Quantenpunktsystemen
Creators: name: Ubbelohde, Niels
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Quantum dot
subject: shot noise
subject: counting statistics
subject: Quantenpunkt
subject: Schrotrauschen
subject: Zählstatistik
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: [no abstract]
Static triplet correlations in glass-forming liquids: A molecular dynamics study
Creators: name: Coslovich, Daniele
Publisher: name: arXiv
Year: 2012
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We present a numerical evaluation of the three-point static correlations functions of the Kob-Andersen Lennard-Jones binary mixture and of its purely repulsive, Weeks-Chandler-Andersen variant. In the glassy regime, the two models possess a similar pair structure, yet their dynamics differ markedly. The static triplet correlation functions S^(3) indicate that the local ordering is more pronounced in the Lennard-Jones model, an observation consistent with its slower dynamics. A comparison of the direct triplet correlation functions c^(3) reveals that these structural differences are due, to a good extent, to an amplification of the small discrepancies observed at the pair level. We demonstrate the existence of a broad, positive peak at small wave-vectors and angles in c^(3). In this portion of k-space, slight, systematic differences between the models are observed, revealing "genuine" three-body contributions to the triplet structure. The possible role of the low-k features of c^(3) and the implications of our results for dynamic theories of the glass transition are discussed.
description: 9 pages, 8 figures, contribution to the JCP Special Issue on the Glass Transition
Einfluss von Fruchtwachstum, Kutikulaentwicklung und Wassertransport auf das Platzen von Weinbeeren als Grundlage für die Verringerung des Befalls durch Traubenfäulen
Creators: name: Becker, Tobias Christian
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2012
Subjects: subject: Cracking
subject: uptake
subject: microcracks
subject: Platzen
subject: Wassertransport
subject: Mikrorisse
subject: Dewey Decimal Classification::600 | Technik::630 | Landwirtschaft, Veterinärmedizin
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: [no abstract]
Multi-field nanoindentation apparatus for measuring local mechanical properties of materials in external magnetic and electric fields
Creators: name: Zhou, Hao
name: Pei, Yongmao
name: Huang, Hu
name: Zhao, Hongwei
name: Li, Faxin
name: Fang, Daining
Publisher: name: arXiv
Year: 2013
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Nano/micro-scale mechanical properties of multiferroic materials can be controlled by the external magnetic or electric field due to the coupling interaction. For the first time, a modularized multi-field nanoindentation apparatus for carrying out testing on materials in external magnetostatic/electrostatic field is constructed. Technical issues, such as the application of magnetic/electric field and the processes to diminish the interference between external fields and the other parts of the apparatus, are addressed. Tests on calibration specimen indicate the feasibility of the apparatus. The load-displacement curves of ferromagnetic, ferroelectric and magnetoelectric materials in the presence/absence of external fields reveal the small-scale magnetomechanical and electromechanical coupling, showing as the Delta-E and Delta-H effects, i.e. the magnetic/electric field induced changes in the apparent elastic modulus and indentation hardness.
description: 17 pages, 7 figures
Inverse learning in Hilbert scales
Creators: name: Rastogi, Abhishake
name: Mathé, Peter
Publisher: name: Springer Science and Business Media LLC
Year: 2023
Subjects: subject: 500 Naturwissenschaften und Mathematik::510 Mathematik::510 Mathematik
subject: statistical inverse problem
subject: spectral regularization
subject: Hilbert Scales
subject: reproducing kernel Hilbert space
subject: minimax convergence rates

description: We study linear ill-posed inverse problems with noisy data in the framework of statistical learning. The corresponding linear operator equation is assumed to fit a given Hilbert scale, generated by some unbounded self-adjoint operator. Approximate reconstructions from random noisy data are obtained with general regularization schemes in such a way that these belong to the domain of the generator. The analysis has thus to distinguish two cases, the regular one, when the true solution also belongs to the domain of the generator, and the ‘oversmoothing’ one, when this is not the case. Rates of convergence for the regularized solutions will be expressed in terms of certain distance functions. For solutions with smoothness given in terms of source conditions with respect to the scale generating operator, then the error bounds can then be made explicit in terms of the sample size.
International collaboration clusters in Africa
Creators: name: Adams, Jonathan
name: Gurney, Karen
name: Hook, Daniel
name: Leydesdorff, Loet
Publisher: name: arXiv
Year: 2013
Subjects: subject: Digital Libraries (cs.DL)
subject: Social and Information Networks (cs.SI)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: Recent discussion about the increase in international research collaboration suggests a comprehensive global network centred around a group of core countries and driven by generic socio-economic factors where the global system influences all national and institutional outcomes. In counterpoint, we demonstrate that the collaboration pattern for countries in Africa is far from universal. Instead, it exhibits layers of internal clusters and external links that are explained not by monotypic global influences but by regional geography and, perhaps even more strongly, by history, culture and language. Analysis of these bottom-up, subjective, human factors is required in order to provide the fuller explanation useful for policy and management purposes.
description: 12 pp, 5 Figs including map links to viewer
Einsatz von Data Mining in der verhaltenswissenschaftlichen Marketingforschung : theoretische Herleitung und empirische Bestimmung der kausalanalytischen Wirkungsbeziehungen von Brand Heritage auf zentrale Markenkonstrukte für ein wissensgetriebenes Markenmanagement
Creators: name: Schmidt, Steffen
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Structural equation modeling
subject: brand heritage
subject: Strukturgleichungsmodelle
subject: partial least squares
subject: Markentradition
subject: Dewey Decimal Classification::600 | Technik::650 | Management

description: [no abstract]
Altertümliche Holzverbindung immer wieder jung. Späte Blattanschlüsse in der Region um Schwäbisch Hall
Creators: name: Bedal, Albrecht
Publisher: name: Südwestdeutsche Beiträge zur historischen Bauforschung
Year: 2016

description: [nicht vorhanden / not available]
description: Südwestdeutsche Beiträge zur historischen Bauforschung, Bd. 4 (1999)
title: How to choose your perfect Biobank Information Management System
title: Distinguish between a LIMS and a BIMS for your processes/ requirements
titleType: Subtitle
Creators: name: Engels, Cäcilia
name: Brucker, Daniel Peer
name: Neumann, Michael
Publisher: name: Zenodo
Year: 2023
Subjects: Biobank
Biobank Information Management System
Biosamples storage
Biorepositories
Laboratory Information Managment System,
Biosamples
evaluation gide

description: In the dynamic landscape of modern biobanking, the efficient and secure management of biological samples and associated data is paramount. As the importance of biobanks in advancing scientific research, personalized medicine, and drug development continues to grow, selecting the right Biobank Information Management System (BIMS) becomes a critical decision. A well-suited BIMS can streamline operations, ensure data integrity, and enable seamless collaboration across research teams. In this guide, we will explore the essential considerations and best practices for choosing the perfect Biobank Information Management System to meet the unique needs and goals of your biobank.
Modern Biobank Information Management Systems (BIMS) are designed to efficiently manage the entire life cycle of biological samples and their associated data. They play a crucial role in improving biobank operations by standardizing data collection, optimizing sample information, and ensuring compliance with rigorous standards and regulations. These systems represent a significant shift from traditional Laboratory Information Management Systems (LIMS) that focused solely on specimen and freezer management. Instead, BIMS is more patient-centric, capable of handling complex tasks such as managing patient clinical information, consent records, analytical results, batch work, and seamless integration with robotics and medical software. This evolution empowers biobanks to navigate the intricate landscape of biological sample management while enhancing data integrity, research efficiency, and the potential for groundbreaking discoveries.
Distinguishing properties of weak slice conditions II
Creators: name: Buckley, Stephen M.
name: Diatta, Andre
name: Stanoyevitch, Alexander
Publisher: name: arXiv
Year: 2012
Subjects: subject: Metric Geometry (math.MG)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 51M15, 46E35

description: The slice condition and the more general weak slice conditions are geometric conditions on Euclidean space domains which have evolved over the last several years as a tool in various areas of analysis. This paper examines some of their finer distinctive properties.
description: 16 pages, 3 enclosed latex figures. Key Words and Phrases: slice conditions, quasihyperbolic metric. The final version appeared at International Journal of Pure and Applied Mathematics, Volume 71, No. 1, pp 83-98 (2011)
Mischreibung und Verschleiß in Hydraulikdichtsystemen : Modellbildung, Simulation und experimentelle Analyse
Creators: name: Schmidt, Timo
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Hydraulic seals
subject: finite-element-analysis
subject: mixed lubrication
subject: wear
subject: Hydraulikdichtungen
subject: Finite-Elemente-Analyse
subject: Mischreibung
subject: Verschleiß
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau

description: [no abstract]
Linaria spuria
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: L. spuria (L.) Miller (Kickxia spuria Dumortier) Cat. 269. l: St-Maurice (Marietan). - 2: Conthey (J.); Grimisuat (Christ); Valençon (idem).
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
Effects of composition and chemical disorder on the magnetocrystalline anisotropy of Fe_{x}Pt_{1-x} alloys
Creators: name: Aas, C. J.
name: Szunyogh, L.
name: Chantrell, R. W.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We perform first principles calculations of the magnetocrystalline anisotropy energy (MAE) of the L1_{0}-like Fe_{x}Pt_{1-x} samples studied experimentally by Barmak and co-workers in [J. Appl. Phys. 98 (2005) 033904]. The variation of composition and long-range chemical order in the samples was studied in terms of the coherent potential approximation. In accordance with experimental observations, we find that, in the presence of long-range chemical disorder, Fe-rich samples exhibit a larger MAE than stoichiometric FePt. By considering the site- and species-resolved contributions to the MAE, we infer that the MAE is primarily a function of the degree of completeness of the nominal Fe layers in the L1_{0} FePt structure.
description: 4 pages, 4 figures
MMTF Discovery of Giant Ionization Cones in MR 2251-178: Implications for Quasar Radiative Feedback
Creators: name: Kreimeyer, Kory
name: Veilleux, Sylvain
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We report the discovery of giant ionization cones in the 140-kpc nebula around quasar MR 2251-178 based on deep [O III] 5007/H-beta and [N II] 6583/H-alpha flux ratio maps obtained with the Maryland-Magellan Tunable Filter (MMTF) on the Baade-Magellan 6.5m telescope. These cones are aligned with the weak double-lobed radio source observed on smaller scale <30 kpc). They have an opening angle ~120deg +/- 10deg and subtend ~65-90% of 4pi steradians, where the large uncertainty takes into account possible projection effects. The material in the outer ionization cones is matter-bounded, indicating that all ionizing photons emitted through the cones escape from the system. The quasar ionizing flux is ~2-3 times fainter outside of these cones, despite the largely symmetric geometry of the nebula in [O III]. Overall, adding up the contributions from both inside and outside the cones, we find that ~65-95% of the quasar ionizing radiation makes its way out of the system. These results emphasize the need for line ratio maps to quantify the escape fraction of ionizing radiation from quasars and the importance of quasar radiative feedback on the intergalactic medium.
description: 9 pages, 4 figures, 1 table. Accepted for publication in ApJ Letters
Many-body correlations in Semiclassical Molecular Dynamics and Skyrme interaction
Creators: name: Papa, Massimo
Publisher: name: arXiv
Year: 2012
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Constraint Molecular dynamics CoMD calculations have been performed for asymmetric nuclear matter (NM) by using a simple effective interactions of the Skyrme type. The set of parameter values reproducing common accepted saturation properties of nuclear matter have been obtained for different degree of stiffness characterizing the iso-vectorial potential density dependence. A comparison with results obtained in the limit of the Semi-Classical Mean Field approximation using the same kind of interaction put in evidence the role played by the many-body correlations in to explain the noticeable differences obtained in the parameter values in the two cases. Even if from a numerical point of view the obtained results are strictly valid for the CoMD model, some rather general feature of the discussed correlations can give a wider meaning to the obtained differences being strongly related to the spacial correlations generated in the semiclassical wave packets dynamics.
description: To be published on Phys. Rev. C
title: How to choose your perfect Biobank Information Management System
title: Distinguish between a LIMS and a BIMS for your processes/ requirements
titleType: Subtitle
Creators: name: Engels
Publisher: name: Zenodo
Year: 2023
Subjects: Biobank
Biobank Information Management System
Biosamples storage
Biorepositories
Laboratory Information Managment System,
Biosamples
evaluation gide

description: In the dynamic landscape of modern biobanking, the efficient and secure management of biological samples and associated data is paramount. As the importance of biobanks in advancing scientific research, personalized medicine, and drug development continues to grow, selecting the right Biobank Information Management System (BIMS) becomes a critical decision. A well-suited BIMS can streamline operations, ensure data integrity, and enable seamless collaboration across research teams. In this guide, we will explore the essential considerations and best practices for choosing the perfect Biobank Information Management System to meet the unique needs and goals of your biobank.
Modern Biobank Information Management Systems (BIMS) are designed to efficiently manage the entire life cycle of biological samples and their associated data. They play a crucial role in improving biobank operations by standardizing data collection, optimizing sample information, and ensuring compliance with rigorous standards and regulations. These systems represent a significant shift from traditional Laboratory Information Management Systems (LIMS) that focused solely on specimen and freezer management. Instead, BIMS is more patient-centric, capable of handling complex tasks such as managing patient clinical information, consent records, analytical results, batch work, and seamless integration with robotics and medical software. This evolution empowers biobanks to navigate the intricate landscape of biological sample management while enhancing data integrity, research efficiency, and the potential for groundbreaking discoveries.
Josephson vortex coupled to a flux qubit
Creators: name: Fedorov, Kirill G.
name: Shcherbakova, Anastasia V.
name: Schäfer, Roland
name: Ustinov, Alexey V.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Experiments towards realizing a readout of superconducting qubits by using ballistic Josephson vortices are reported. We measured the microwave radiation induced by a fluxon moving in an annular Josephson junction. By coupling a flux qubit as a current dipole to the annular junction, we detect periodic variations of the fluxon's oscillation frequency versus magnetic flux through the qubit. We found that the scattering of a fluxon on a current dipole can lead to the acceleration of a fluxon regardless of a dipole polarity. We use the perturbation theory and numerical simulations of the perturbed sine-Gordon equation to analyze our results.
Posttranslationale Regulation des Glucosesensorenzyms Glucokinase durch Interaktion mit dem bifunktionellen Enzym 6-Phosphofructo-2-kinase/Fructose-2,6-bisphosphatase
Creators: name: Langer, Sara
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2010
Subjects: subject: Diabetes mellitus
subject: Glucokinase
subject: 6-Phosphofructo-2-kinase/Fructose-2,6- bisphosphatase oder PFK-2/FBPase-2
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: [no abstract]
A 5-Engel associative algebra whose group of units is not 5-Engel
Creators: name: Deryabina, Galina
name: Krasilnikov, Alexei
Publisher: name: arXiv
Year: 2013
Subjects: subject: Rings and Algebras (math.RA)
subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 16R40, 16L30, 16N20, 17B30, 20F45

description: Let R be an associative ring with unity and let [R] and U(R) denote the associated Lie ring (with [a,b]=ab-ba) and the group of units of R, respectively. In 1983 Gupta and Levin proved that if [R] is a nilpotent Lie ring of class c then U(R) is a nilpotent group of class at most c. The aim of the present note is to show that, in general, a similar statement does not hold if [R] is n-Engel. We construct an algebra R over a field of characteristic different from 2 and 3 such that the Lie algebra [R] is 5-Engel but U(R) is not a 5-Engel group.
description: 9 pages, Corollary 1.4 and some references added
Das sogenannte Schleglerschloß. Ein spätmittelalterlicher Adelssitz in Heimsheim
Creators: name: Gromer, Johannes
name: Krämer, Anja
Publisher: name: Südwestdeutsche Beiträge zur historischen Bauforschung
Year: 2016

description: [nicht vorhanden / not available]
description: Südwestdeutsche Beiträge zur historischen Bauforschung, Bd. 4 (1999)
Controlled Li Alloying of CZTSSe Absorbers by Electrochemical Treatment
Creators: name: Moser, Simon
name: Aribia, Abdessalem
name: Gilshtein, Evgeniia
name: Tiwari, Ayodhya N.
name: Carron, Romain
Publisher: name: Zenodo
Year: 2023

description: Oral presentation at 2023 MRS Spring Meeting
Entwicklung von Zinkoxid-Photokatalysatoren für den Abbau von Luftschadstoffen
Creators: name: Bloh, Jonathan Zacharias
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2012
Subjects: subject: zinc oxide
subject: photocatalysis
subject: air pollutants
subject: visible light
subject: modelling
subject: Zinkoxid
subject: Photokatalyse
subject: Luftschadstoffe
subject: sichtbares Licht
subject: ISO 22197-1
subject: ISO 22197-2
subject: Modellierung
subject: Dewey Decimal Classification::600 | Technik::660 | Technische Chemie

description: [no abstract]
Gapped phase in AA stacked bilayer graphene
Creators: name: Brey, L.
name: Fertig, H. A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: AA-stacked bilayer graphene supports Fermi circles in its bonding and antibonding bands which coincide exactly, leading to symmetry-breaking in the presence of electron-electron interactions. We analyze a continuum model of this system in the Hartree-Fock approximation, using a self-consistently screened interaction that accounts for the gap in the spectrum in the broken symmetry state. The order parameter in the groundstate is shown to be of the Ising type, involving transfer of charge between the layers in opposite directions for different sublattices. We analyze the Ising phase transition for the system, and argue that it continuously evolves into a Kosterlitz-Thouless transition in the limit of vanishing interlayer separation $d$. The transition temperature is shown to depend only on the effective spin stiffness of the system even for $d>0$, and an estimate its value suggests the transition temperature is of order a few degrees Kelvin.
Untersuchungen zum regulatorischen Wechselspiel zwischen SUMOylierung und anderen Proteinmodifikationen am Beispiel der STAT-Proteine und MAPKAP Kinase 2
Creators: name: Schwede, Susan
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: SUMO (Small ubiquitin-related modifier)
subject: STAT1 (Signal transducer and activator of transcription 1)
subject: MAPKAP Kinase 2 (Mitogen-activated protein kinase-activated protein kinase 2)
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: [no abstract]
Linaria elatine
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: L. Elatine (L.) Miller (K. Elatine Dumortier) Cat. 269 und 429. 2: Conthey (J.); Arbaz (Wolf).
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
Quantum Annealing for Dirichlet Process Mixture Models with Applications to Network Clustering
Creators: name: Sato, Issei
name: Tanaka, Shu
name: Kurihara, Kenichi
name: Miyashita, Seiji
name: Nakagawa, Hiroshi
Publisher: name: arXiv
Year: 2013
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: Machine Learning (stat.ML)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: We developed a new quantum annealing (QA) algorithm for Dirichlet process mixture (DPM) models based on the Chinese restaurant process (CRP). QA is a parallelized extension of simulated annealing (SA), i.e., it is a parallel stochastic optimization technique. Existing approaches [Kurihara et al. UAI2009, Sato et al. UAI2009] and cannot be applied to the CRP because their QA framework is formulated using a fixed number of mixture components. The proposed QA algorithm can handle an unfixed number of classes in mixture models. We applied QA to a DPM model for clustering vertices in a network where a CRP seating arrangement indicates a network partition. A multi core processor was used for running QA in experiments, the results of which show that QA is better than SA, Markov chain Monte Carlo inference, and beam search at finding a maximum a posteriori estimation of a seating arrangement in the CRP. Since our QA algorithm is as easy as to implement the SA algorithm, it is suitable for a wide range of applications.
description: 12 pages, 6 figures, accepted in Neurocomputing