cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Decay of correlations for maps with uniformly contracting fibers and logarithm law for singular hyperbolic attractors
Creators: name: Araujo, Vitor
name: Galatolo, Stefano
name: Pacifico, Maria Jose
Publisher: name: arXiv
Year: 2012
Subjects: subject: Dynamical Systems (math.DS)
subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: Primary: 37C10, 37C45, Secondary: 37C40, 37D30, 37D25

description: We consider two dimensional maps preserving a foliation which is uniformly contracting and a one dimensional associated quotient map having exponential convergence to equilibrium (iterates of Lebesgue measure converge exponentially fast to physical measure). We prove that these maps have exponential decay of correlations over a large class of observables. We use this result to deduce exponential decay of correlations for the Poincare maps of a large class of singular hyperbolic flows. From this we deduce logarithm laws for these flows.
description: 39 pages; 03 figures; proof of Theorem 1 corrected; many typos corrected; improvements on the statements and comments suggested by a referee. Keywords: singular flows, singular-hyperbolic attractor, exponential decay of correlations, exact dimensionality, logarithm law
The Composite Higgs and Light Resonance Connection
Creators: name: Pomarol, Alex
name: Riva, Francesco
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Weinberg sum-rules have been used in the past to successfully predict the electromagnetic contribution to the charged-pion mass as a function of the meson masses. Following the same approach we calculate in the minimal composite Higgs model (MCHM) the Higgs mass as a function of the fermionic resonance masses. The simplicity of the method allows us to study several versions of the MCHM and show that a Higgs with a mass around 125 GeV requires, quite generically, fermionic resonances below the TeV, and therefore accessible at the LHC. We also examine the couplings of the Higgs to the SM fermions and calculate their deviation from the SM value.
description: Version to be published in JHEP
An Exploratory Study of Student, Parent, and Teacher Perspectives of Bullying
Creators: name: Cecen Celik, Hatice
Publisher: name: University of Leicester
Year: 2021
Subjects: Uncategorized

description: Bullying is a significant problem encountered by children and young people, to the extent that it is now a global concern. Understanding the perspectives of individuals involved in bullying is important in enacting prevention and intervention efforts towards both traditional and cyber forms of bullying. The study’s objective is to understand the context of bullying and to determine which factors can contribute to preventative measures and policies capable of tackling such bullying. The study has consisted of two phases. The main study (Phase One) was conducted in relation to Turkey and pertained to the perspectives of teachers, parents, and students towards bullying and its prevention. Semistructured interviews were conducted with fifty-seven Turkish participants (students: 20, Parents: 20, Teachers: 17). The respondents were asked to explain their understanding of what defines bullying and different forms of bullying, alongside their perspectives on possible strategies through which to decrease bullying behaviour in schools. The second section (Phase Two) focused specifically on the issue of bullying awareness and prevention, and to complement the data collected in Turkey derived its data from social media to gain an overview of the perspectives of native English-speaking individuals. This social media data related specifically to bullying prevention to facilitate meeting of the project’s primary objectives. A qualitative design, using Reflexive Thematic Analysis, was employed to explore the research participants’ perceptions of bullying and anti-bullying strategies and mechanisms within school settings. Six main themes were identified through the process of analysis: (1) Definitions of Bullying and Differentiated Bullying Types, (2) Characteristics of Bullies, (3) Characteristics of Victims and Bully-Victims, (4) Reasons for Bullying Involvement, (5) Bullying Interventions and (6) Prevention Strategies. The study highlighted that there is limited knowledge and awareness as to the problem of bullying in the Turkish context, with difficulty being encountered by the participants in defining bullying. The results show that a desire for power, a personality of the person and the role of the family are the primary reasons for bullying involvement. Finally, it is recommended that there is a need for education among students, their parents and teachers as to the issue of bullying in Turkey, that utilises the wider evidence on bullying, but also has culturally specific aspects to account for the local context.
title: Den Ausbau der Netze für Strom, Gas und Wärme zusammen planen: Interview
Creators: name: Holz, Franziska
name: Wittenberg, Erich
Publisher: name: DIW - Deutsches Institut für Wirtschaftsforschung
Year: 2023

description: DIW Wochenbericht, 90 (2023), 49, S. 694
title: Beyond the Symptoms. Image Assessment of Anterior Cruciate Ligament Reconstruction Complications.
Creators: name: Montes Figueroa, Enrique
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Transplantation
subject: Grafts
subject: Complications
subject: MR
subject: Trauma
subject: Musculoskeletal joint
subject: Extremities

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: 1. To review the main causes of anterior cruciate ligament (ACL) injuries and how the surgical reconstruction techniques are performed. 2. To analyze the main symptoms derived from an ACL graft reconstruction failure and how to assess...
BINGO: A code for the efficient computation of the scalar bi-spectrum
Creators: name: Hazra, Dhiraj Kumar
name: Sriramkumar, L.
name: Martin, Jerome
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present a new and accurate Fortran code, the BI-spectra and Non-Gaussianity Operator (BINGO), for the efficient numerical computation of the scalar bi-spectrum and the non-Gaussianity parameter f_{NL} in single field inflationary models involving the canonical scalar field. The code can calculate all the different contributions to the bi-spectrum and the parameter f_{NL} for an arbitrary triangular configuration of the wavevectors. Focusing firstly on the equilateral limit, we illustrate the accuracy of BINGO by comparing the results from the code with the spectral dependence of the bi-spectrum expected in power law inflation. Then, considering an arbitrary triangular configuration, we contrast the numerical results with the analytical expression available in the slow roll limit, for, say, the case of the conventional quadratic potential. Considering a non-trivial scenario involving deviations from slow roll, we compare the results from the code with the analytical results that have recently been obtained in the case of the Starobinsky model in the equilateral limit. As an immediate application, we utilize BINGO to examine of the power of the non-Gaussianity parameter f_{NL} to discriminate between various inflationary models that admit departures from slow roll and lead to similar features in the scalar power spectrum. We close with a summary and discussion on the implications of the results we obtain.
description: v1: 5 pages, 5 figures; v2: 35 pages, 11 figures, title changed, extensively revised; v3: 36 pages, 11 figures, to appear in JCAP. The BINGO code is available online at http://www.physics.iitm.ac.in/~sriram/bingo/bingo.html
title: Embolization of Intracranial Arteriovenous Malformations. Is it the answer?
Creators: name: Montes Figueroa, Enrique
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Fistula
subject: Arteriovenous malformations
subject: Treatment effects
subject: Arterial access
subject: CT-Angiography
subject: Catheter venography
subject: Catheter arteriography
subject: Vascular
subject: Neuroradiology brain
subject: Interventional vascular

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: 1. To describe the epidemiology and characteristics of the intracranial arteriovenous malformations and their clinical evolution over the years of the patients treated with embolization in our hospital. 2. To describe the principals techniques and...
title: Wärmewende in Berlin: Versorgungssicherheit nach dem Erdgas mit erneuerbaren Energien gewährleisten
Creators: name: Herpich, Philipp
name: Holz, Franziska
name: Löffler, Konstantin
Publisher: name: DIW - Deutsches Institut für Wirtschaftsforschung
Year: 2023
Subjects: subject: L97 Utilities: General
subject: Q42 Alternative Energy Sources
subject: Q48 Energy: Government Policy
subject: L94 Electric Utilities
subject: heat supply
subject: gas
subject: energy system modeling
subject: de-carbonization

description: Das Land Berlin hat sich verpflichtet, bis 2045 Klimaneutralität zu erreichen. Die Wärmeerzeugung ist der größte Treiber der Energienachfrage und verursacht fast die Hälfte der CO2-Emissionen in Berlin. Derzeit beruht die Wärmeversorgung überwiegend auf Erdgas, sowohl in der dezentralen Wärme- als auch in der Fernwärmeerzeugung. Berlin steht vor der Herausforderung, die Wärmeversorgung inklusive der Fernwärme zu dekarbonisieren. Bestehende Pläne sehen den Einsatz von Wasserstoff in der Wärmeerzeugung vor, jedoch ist dieser absehbar knapp und die Nutzung ineffizient. Diese Studie untersucht anhand von Modellrechnungen, wie die zukünftige klimafreundliche Wärmeversorgung in Berlin dargestellt werden kann, ohne auf große Mengen Wasserstoff angewiesen zu sein. In der Wärmeerzeugung stehen mit (Groß-)Wärmepumpen effiziente Technologien zur Verfügung, da sie verschiedene Umweltwärmequellen wie Luft, Flusswasser, Abwasser oder Industrieabwärme nutzen. In Kombination mit erneuerbarem Strom können sie emissionsfrei betrieben werden. Zusätzliche Möglichkeiten, den Wasserstoffeinsatz zu beschränken, sind der großflächige Ausbau von Photovoltaik auf Dächern, die Steigerung der Energieeffizienz bei Gebäuden und der Ausbau der Stromverteilnetze, um ausreichend Strom für neue Anwendungen in der E-Mobilität oder Wärmepumpen bereitstellen zu können.
description: DIW Wochenbericht, 90 (2023), 49, S. 685-693
title: Pilot study 4D CT of elbow: a possible helpful tool in preoperative planning
Creators: name: Hellund, Johan Castberg
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Musculoskeletal joint
subject: CT
subject: Experimental
subject: Diagnostic procedure
subject: Trauma

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Post traumatic osteoarthritis (OA) is a known complication after trauma to the elbow. Bony deposits at joint edges or loose bodies might hamper range of movement (ROM) due to bony collision. Thus, the patient can experience reduced quality of life....
Socioeconomic hardships, religiosity, and radicalization: A non-linear exploration
Creators: name: Nawaz, Fahim
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Neuroscience
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Science Policy
subject: Mental Health

description: Socioeconomic hardships are often advocated as the drivers of radicalization, but the existing research shows mixed evidence for this relationship. This study argues that socioeconomic hardships should increase the likelihood of radicalization only for sufficiently religious people, thereby implying a non-linear relationship. The study suggests that as a result of the lower opportunity costs of extreme acts during socioeconomic hardships, the likelihood of committing or supporting such acts for obtaining religiously inspired mental rewards should be the highest for the economically disadvantaged, religious individuals. The study tests this hypothesis through the non-linear threshold regression method developed by Hansen (2000), using survey data from the Khyber Pakhtunkhwa province of Pakistan. Results indicate that radicalization has a statistically significant positive relationship with indicators of the individual level socioeconomic conditions such as the perceptions of poor economic prospects, individual relative deprivation, injustice, and inequality only above the religiosity threshold. These findings support the hypothesis that socioeconomic hardships (or the perception of these) drive radicalization only in sufficiently religious people. This implies that apart from security-centric approaches, radicalization can also be deterred by increasing the opportunity costs of political violence through socioeconomic improvements. Moreover, promoting balanced/diverse religious views may also help check radicalization.
title: Clustered breast microcysts dilemma: What should the radiologyst do?
Creators: name: Fernández López, Ángela
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Breast
subject: Mammography
subject: Diagnostic procedure
subject: Cysts

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: To determine if patients with breast clustered mycrocysts detected by ultrasonography examinations associates with certain mammographic findings require biopsy. Expose histological correlation in clustered breast microcysts, according to...
Nonlinear elliptic problems with dynamical boundary conditions of reactive and reactive-diffusive type
Creators: name: Gal, Ciprian G.
name: Meyries, Martin
Publisher: name: arXiv
Year: 2012
Subjects: subject: Analysis of PDEs (math.AP)
subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 35J60, 35K58, 35K59, 37L30

description: We investigate classical solutions of nonlinear elliptic equations with two classes of dynamical boundary conditions, of reactive and reactive-diffusive type. In the latter case it is shown that well-posedness is to a large extent independent of the coupling with the elliptic equation. For both types of boundary conditions we consider blow-up, global existence, global attractors and convergence to single equilibria.
description: 31 pages
title: Wie die Arbeitsanreize für Geringverdienende erhöht werden könnten: Kommentar
Creators: name: Haan, Peter
name: Geyer, Johannes
Publisher: name: DIW - Deutsches Institut für Wirtschaftsforschung
Year: 2023

description: DIW Wochenbericht, 90 (2023), 48, S. 682
title: Utility of conventional Dixon method for assessing fat deposition in the liver in a group of NASH patients, compared with PDFF analysis.
Creators: name: Miranda, Thiago
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Liver
subject: Gastrointestinal tract
subject: Abdomen
subject: MR
subject: Diagnostic procedure
subject: Imaging sequences

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Thequantification of hepatic steatosis in recent years showed a great improvement, especially by magnetic resonance imaging (MRI), initially by the use ofspectroscopy techniques and finally with proton densityfat fraction(PDFF) sequence. This last...
title: Εναλλακτικές πηγές πρωτεΐνης που συνεισφέρουν σε μια βιώσιμη διατροφή
title: Alternative proteins sources that contribute to a sustainable diet
titleType: AlternativeTitle
Creators: name: Τράσιας, Χρήστος
Publisher: name: Πανεπιστήμιο Δυτικής Αττικής
Year: 2023
Subjects: Φυτική προέλευση
Βιωσιμότητα
Πηγές πρωτεΐνης
Εναλλακτικά συστήματα τροφίμων
Περιβάλλον και κτηνοτροφία

description: Οι εναλλακτικές πηγές πρωτεΐνης γίνονται όλο και πιο δημοφιλείς, καθώς όλο και περισσότεροι άνθρωποι προσπαθούν να μειώσουν την εξάρτησή τους από τη διατροφή με βάση το κρέας και να υιοθετήσουν πιο βιώσιμες διατροφικές συνήθειες. Οι πρωτεΐνες φυτικής προέλευσης, όπως τα φασόλια, οι φακές, το τόφου και η κινόα, είναι εξαιρετικές επιλογές που προσφέρουν μια ποικιλία βασικών θρεπτικών συστατικών και είναι συχνά πιο φιλικές προς το περιβάλλον από τις παραδοσιακές ζωικές πρωτεΐνες. Άλλες εναλλακτικές πηγές πρωτεϊνών περιλαμβάνουν τροφές με βάση τα έντομα, όπως το αλεύρι γρύλου, το οποίο είναι πλούσιο σε πρωτεΐνες και απαιτοεί σημαντικά λιγότερη γη, νερό και ζωοτροφές για την παραγωγή τους σε σύγκριση με την παραδοσιακή κτηνοτροφία. Επιπλέον, τα κρέατα με βάση τα κύτταρα, γνωστά και ως κρέατα που καλλιεργούνται στο εργαστήριο, αναδύονται ως μια πολλά υποσχόμενη νέα εναλλακτική πηγή πρωτεΐνης που θα μπορούσε να συμβάλει στη μείωση των περιβαλλοντικών επιπτώσεων της παραγωγής κρέατος. Συνολικά, η ενσωμάτωση εναλλακτικών πηγών πρωτεΐνης στη διατροφή μας μπορεί να μας βοηθήσει να οικοδομήσουμε ένα πιο βιώσιμο διατροφικό σύστημα, ενώ παράλληλα θα εξακολουθεί να καλύπτει τις διατροφικές μας ανάγκες.
Producing Acoustic 'Frozen Waves': Simulated experiments
Creators: name: Prego, Jose' L.
name: Zamboni-Rached, Michel
name: Recami, Erasmo
name: Hernandez-Figueroa, Hugo E.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Classical Physics (physics.class-ph)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: In this paper we show how appropriate superpositions of Bessel beams can be successfully used to obtain arbitrary longitudinal intensity patterns of nondiffracting ultrasonic wavefields with very high transverse localization. More precisely, the method here described allows generating longitudinal acoustic pressure fields, whose longitudinal intensity patterns can assume, in principle, any desired shape within a freely chosen interval 0 < z < L of the propagation axis, and that can be endowed in particular with a s t a t i c envelope (within which only the carrier wave propagates). Indeed, it is here demonstrated by computer evaluations that these very special beams of non-attenuated ultrasonic field can be generated in water-like media by means of annular transducers. Such fields "at rest" have been called by us << Acoustic Frozen Waves >> (FW). The paper presents various cases of FWs in water, and investigates their aperture characteristics, such as minimum required size and ring dimensioning, as well as the influence they have on the proper generation of the desired FW patterns. The FWs are particular Localized Solutions to the wave equation that can be used in many applications, like new kinds of devices, such as, e.g., acoustic tweezers or scalpels, and especially various ultrasound medical apparatus; e.g. for attempting the destruction of tumor cells without affecting the preceding and subsequent (and surrounding) tissues. Keywords: Ultrasound; Frozen Waves; Bessel beam superpositions; Non-diffractive waves; Localized Waves; Annular transducers.
description: Latex source file (IEEE-style). Ten pages, with 15 Figures. Replaced with extended improvements. Ms submitted to IEEE TUFFC
title: General population knowledge about ionising radiation
Creators: name: Mestre, Diogo
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Radioprotection / Radiation dose
subject: Radiographers
subject: Professional issues
subject: Digital radiography
subject: CT
subject: MR
subject: Education
subject: Safety
subject: Radiation effects
subject: Occupational / Environmental hazards
subject: Education and training

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: By definition, ionizing radiation is radiation with enough energy so that during an interaction with na atom, it can remove tightly bound electrons from the orbit of an atom, causing the atom to become charged or ionized. It can be considered as the...
title: Arbeitsmarktintegration von Geflüchteten sollte stärker gefördert werden: Interview
Creators: name: Kristen, Cornelia
name: Wittenberg, Erich
Publisher: name: DIW - Deutsches Institut für Wirtschaftsforschung
Year: 2023

description: DIW Wochenbericht, 90 (2023), 48, S. 680
title: Positron emission tomography and diffusion-weighted imaging in volume-dependent comparative analysis of non-small cell lung carcinoma metabolism and tissue cellularity
Creators: name: Lucic, Silvija
Publisher: name: European Congress of Radiology
Year: 2019
Subjects: subject: Lung
subject: Oncology
subject: Hybrid Imaging
subject: PET-CT
subject: MR-Diffusion/Perfusion
subject: Comparative studies
subject: Cancer

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: To assess non-small cell lung carcinoma (NSCLC) metabolism and tissue cellularity and correlate potential tumour volume-dependent interconnection between apparent diffusion coefficient (ADC mean ) values, obtained by diffusion weighted imaging...
N >= 4 Supergravity Amplitudes from Gauge Theory at Two Loops
Creators: name: Boucher-Veronneau, C.
name: Dixon, L. J.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present the full two-loop four-graviton amplitudes in N=4,5,6 supergravity. These results were obtained using the double-copy structure of gravity, which follows from the recently conjectured color-kinematics duality in gauge theory. The two-loop four-gluon scattering amplitudes in N=0,1,2 supersymmetric gauge theory are a second essential ingredient. The gravity amplitudes have the expected infrared behavior: the two-loop divergences are given in terms of the squares of the corresponding one-loop amplitudes. The finite remainders are presented in a compact form. The finite remainder for N=8 supergravity is also presented, in a form that utilizes a pure function with a very simple symbol.
description: 31 pages, 2 figures, 1 table. v2: minor corrections, and references added
Mass, gauge conditions and spectral properties of the Sen-Witten and 3-surface twistor operators in closed universes
Creators: name: Szabados, László B.
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A non-negative expression, built from the norm of the 3-surface twistor operator and the energy-momentum tensor of the matter fields on a spacelike hypersurface, is found which, in the asymptotically flat/hyperboloidal case, provides a lower bound for the ADM/Bondi--Sachs mass, while on closed hypersurfaces it gives the first eigenvalue of the Sen--Witten operator. Also in the closed case, its vanishing is equivalent to the existence of non-trivial solutions of Witten's gauge condition. Moreover, it is vanishing if and only if the closed data set is in a flat spacetime with toroidal spatial topology. Thus it provides a positive definite measure of the strength of the gravitational field (with physical dimension mass) on closed hypersurfaces, i.e. some sort of the total mass of closed universes.
description: 34 pages, final version, appearing in Class. Quantum Grav
title: J. G. Beeck
title: An entry in the LCA Online Dictionary of Leibniz’s Correspondents and Acquaintances
titleType: Subtitle
Creators: name: (:Tba)
Publisher: name: LCA Project
Year: 2018

description: J. G. Beeck as a personal relation of Leibniz’s: The resource presents biographical information on a correspondent of Leibniz's
title: Auch bei Geflüchteten: Aufteilung von unbezahlter Sorgearbeit variiert stark mit Erwerbstätigkeit der Frau
Creators: name: Gauer, Miriam
Publisher: name: DIW - Deutsches Institut für Wirtschaftsforschung
Year: 2023
Subjects: subject: J15 Economics of Minorities, Races, and Immigrants; Non-labor Discrimination
subject: J16 Economics of Gender; Non-labor Discrimination
subject: J22 Time Allocation and Labor Supply
subject: integration
subject: refugees
subject: gender care gap
subject: employment

description: Die Frage, wie sich Frauen und Männer in Partnerschaften die unbezahlte Sorgearbeit aufteilen, entscheidet mit über die Gleichberechtigung der Geschlechter. Eine große Rolle spielt in diesem Zusammenhang die Erwerbstätigkeit von Frauen. Vor diesem Hintergrund analysiert dieser Bericht mit einem Fokus auf Paare, die in den Jahren 2013 bis 2020 – meist 2015 und 2016 – nach Deutschland geflüchtet sind, die Aufteilung von Tätigkeiten wie Hausarbeit und Kinderbetreuung in Abhängigkeit verschiedener Erwerbskonstellationen. Auf Basis des Sozio-oekonomischen Panels (SOEP) werden geflüchtete Paare sowie solche mit und ohne Migrationshintergrund miteinander verglichen. Demnach verringert sich insbesondere bei geflüchteten Paaren der Gender Care Gap, wenn sowohl der Mann als auch die Frau erwerbstätig sind. Ist die Frau gleich viele Stunden erwerbstätig wie der Mann oder sogar mehr und hat sie eine höhere berufliche Positionierung, trägt dies ebenfalls dazu bei, den Gender Care Gap zu reduzieren. Die Ergebnisse unterstreichen die Bedeutung gezielter Weiterbildungs- und Qualifizierungsmaßnahmen zur Integration geflüchteter Frauen auf dem Arbeitsmarkt. Entsprechende Angebote sollte die Politik aufrechterhalten und weiterentwickeln.
description: DIW Wochenbericht, 90 (2023), 48, S. 671-679
Cosmic Microwave Background Trispectrum and Primordial Magnetic Field Limits
Creators: name: Trivedi, Pranjal
name: Seshadri, T. R.
name: Subramanian, Kandaswamy
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Primordial magnetic fields will generate non-Gaussian signals in the cosmic microwave background (CMB) as magnetic stresses and the temperature anisotropy they induce depend quadratically on the magnetic field. We compute a new measure of magnetic non-Gaussianity, the CMB trispectrum, on large angular scales, sourced via the Sachs-Wolfe effect. The trispectra induced by magnetic energy density and by magnetic scalar anisotropic stress are found to have typical magnitudes of approximately a few times 10^{-29} and 10^{-19}, respectively. Observational limits on CMB non-Gaussianity from WMAP data allow us to conservatively set upper limits of a nG, and plausibly sub-nG, on the present value of the primordial cosmic magnetic field. This represents the tightest limit so far on the strength of primordial magnetic fields, on Mpc scales, and is better than limits from the CMB bispectrum and all modes in the CMB power spectrum. Thus, the CMB trispectrum is a new and more sensitive probe of primordial magnetic fields on large scales.
description: Published in Physical Review Letters on 5 June 2012
La metáfora de la penetración: Irrepresentabilidad de sujetos de sexo/género/deseo en El beso de la mujer araña (1976), de Manuel Puig.
Creators: name: Martínez Bossio, Louie
Publisher: name: Universidad de Cartagena
Year: 2023
Subjects: subject: Investigación educativa
subject: Género - Análisis
subject: Novela - Crítica e interpretación

description: Esta tesis tiene como objeto determinar el funcionamiento de una matriz de inteligibilidad que posibilita la irrepresentabilidad de sujetos de sexo/género/deseo en el marco de procesos políticos dictatoriales en la Argentina de los ‗70. Este fue uno de los periodos más críticos del país, ya que la administración política imposibilitó el reconocimiento de saberes culturales que posibilitaran la comprensión de prácticas sexuales alternativas, que fueron relegadas a la ―irrepresentabilidad‖. Para su estudio, esta investigación se desarrolla bajo la perspectiva teórica de los estudios de género y de la teoría literaria latinoamericana, y utiliza la metáfora de la ―penetración‖ como eje simbólico de las relaciones de dominancia puestas en marcha en la matriz como sistema, con el objetivo de evidenciar las incidencias que esta matriz tiene en la censura de saberes culturales.
Thick Brane Isotropization in a Generalized 5D Anisotropic Standing Wave Braneworld Model
Creators: name: Gogberashvili, Merab
name: Herrera-Aguilar, Alfredo
name: Malagon-Morejon, Dagoberto
name: Mora-Luna, Refugio Rigel
name: Nucamendi, Ulises
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study a smooth cosmological solution within a generalized 5D standing wave braneworld modeled by gravity and a phantom scalar field. In this model the 3-brane is anisotropically warped along its spatial dimensions and contains a novel time-dependent scale factor that multiplies the anisotropic spatial interval of the 5D metric, a fact that allows us to study cosmological effects. By explicitly solving the bulk field equations we found a natural mechanism which isotropizes the braneworld for a wide class of natural initial conditions. We are able to give a physical interpretation of the anisotropic dissipation: as the anisotropic energy of the 3-brane rapidly leaks into the bulk through the nontrivial components of the projected to the brane non-local Weyl tensor, the bulk becomes less isotropic. At the same time, under the action of the 4D cosmological constant, the anisotropic braneworld super-exponentially isotropizes by itself, rendering a 3-brane with de Sitter symmetry embedded in a 5D de Sitter space-time, while the phantom scalar field exponentially vanishes.
description: 9 pages in latex, title changed, physical discussion added
Tracing KAM tori in presymplectic dynamical systems
Creators: name: Alishah, Hassan Najafi
name: de la Llave, Rafael
Publisher: name: arXiv
Year: 2012
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 70K43, 70K20, 34D35

description: We present a KAM theorem for presymplectic dynamical systems. The theorem has a " a posteriori " format. We show that given a Diophantine frequency $ω$ and a family of presymplectic mappings, if we find an embedded torus which is approximately invariant with rotation $ω$ such that the torus and the family of mappings satisfy some explicit non-degeneracy condition, then we can find an embedded torus and a value of the parameter close to to the original ones so that the torus is invariant under the map associated to the value of the parameter. Furthermore, we show that the dimension of the parameter space is reduced if we assume that the systems are exact.
description: 33 pages and one figure
title: Η σημασία των Social Media στη διαμόρφωση του Branding των Εθνικών Αθλητικών Κέντρων της Ελλάδος
title: The importance of Social Media in shaping the brandind of the Netional Sports Venues of Greece
titleType: AlternativeTitle
Creators: name: Σπανέα, Σπυριδούλα
Publisher: name: Πανεπιστήμιο Πελοποννήσου
Year: 2023
Subjects: subject: Μέσα μαζικής ενημέρωσης και αθλητισμός
subject: Μέσα κοινωνικής δικτύωσης
subject: Επικοινωνία
subject: Ηλεκτρονικά κοινωνικά δίκτυα
subject: Αθλητικές εγκαταστάσεις
subject: Αθλητικά κέντρα φυσικής κατάστασης
subject: Mass media and sports
subject: Social media
subject: Communication
subject: Online social networks
subject: Sports facilities
subject: Physical fitness centers
subject: Branding
subject: Social Media
subject: Μέσα Κοινωνικής Δικτύωσης
subject: Αθλητικά Κέντρα
subject: Sports venue

description: Η γιγάντωση του διαδικτύου και η εξέλιξη των Μέσων Κοινωνικής Δικτύωσης έχουν φέρει σαρωτικές αλλαγές στις στρατηγικές επικοινωνίας σε ό,τι αφορά τη διαχείριση και την προβολή μια εταιρικής ταυτότητας. Στον χώρο του αθλητισμού, οι νέες τεχνολογίες ενισχύουν τις δυνατότητες μίας αθλητικής εγκατάστασης να διευρύνει και να προβάλει την εταιρική ταυτότητά της, κάτι που θα ενίσχυε τη βιωσιμότητά της. Η συγκεκριμένη μεταπτυχιακή εργασία μελετά σε βάθος τις δυνατότητες που δίνει το διαδίκτυο και ιδιαίτερα τα Social Media σε ό,τι αφορά τη διαμόρφωση branding στα Εθνικά Αθλητικά Κέντρα της Ελλάδος αλλά και για την προβολή τους. Μελέτη περίπτωσης αποτελούν όλοι οι Αθλητικοί Οργανισμοί – Κέντρα που ανήκουν στο Υπουργείο Παιδείας, Θρησκευμάτων και Αθλητισμού. Ως ερευνητικό εργαλείο έχει χρησιμοποιηθεί μία σειρά επίσημων ημιδομημένων συνεντεύξεων με 14 ανώτατα στελέχη, 14 διαφορετικών αθλητικών εγκαταστάσεων της Ελλάδας, τεσσάρων διευθυντών αθλητικών τμημάτων, διαφορετικών Μέσων Μαζικής Επικοινωνίας και μίας καθηγήτριας αμερικανικού Πανεπιστημίου. Μέσα από τη μέθοδο της ανάλυσης περιεχομένου των απαντήσεων αναδείχθηκαν ενδιαφέροντα αποτελέσματα για τις προοπτικές που δίνουν τα Social Media ως προς αυτόν τον τομέα αλλά και για ελλείψεις των ελληνικών αθλητικών εγκαταστάσεων σε ό,τι αφορά την κοινωνική δικτύωση.
On vacuum-energy decay from particle production
Creators: name: Klinkhamer, F. R.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A simplified (but consistent) description of particle-production backreaction effects in de Sitter spacetime is given.
description: 10 pages, v6: published version with Note Added in Proof
Entre ruina y palabra: metaficción e imaginario apocalíptico en The night (2016), de Rodrigo Blanco Calderón.
Creators: name: Anillo Costa, Elisaura Fernanda
Publisher: name: Universidad de Cartagena
Year: 2023
Subjects: subject: Análisis de discurso
subject: Novela - Crítica e interpretación
subject: Textos - Producción - Enseñanza

description: Este proyecto tiene como objeto analizar cómo se tejen los principios constructivos de The Night (2016) de Rodrigo Blanco Calderón, con relación a tres modalidades de metaficción: la autorreferencialidad, la autorreflexividad, y la autoconciencia a través de la hermenéutica textual. Para ello, tendré en cuenta las propuestas críticas de Lois Parkinson Zamora (1989) en su texto Narrar el apocalipsis. La visión histórica en la literatura estadounidense y latinoamericana contemporánea; Geneviève Fabry, Ilse Logie y Pablo Decock (2010) con su texto Imaginarios apocalípticos en la literatura hispanoamericana contemporánea, y, por último, los aportes de Clemencia Ardila (2009) con su texto Metaficción. Revisión histórica del concepto en la crítica literaria colombiana. De modo que, el análisis sugiere que la apuesta estética se sirve del recurso metaficcional en varios niveles para refractar el contexto sociohistórico, así mismo, para formular una reflexión estética sobre el subgénero del realismo gótico.
title: Geflüchtete in Deutschland arbeiten zunehmend – auch als Fachkräfte
Creators: name: Liebau, Elisabeth
Publisher: name: DIW - Deutsches Institut für Wirtschaftsforschung
Year: 2023
Subjects: subject: J15 Economics of Minorities, Races, and Immigrants; Non-labor Discrimination
subject: J61 Geographic Labor Mobility; Immigrant Workers
subject: integration
subject: refugees
subject: labor market mobility

description: Die Bundesregierung will Geflüchtete noch schneller in Arbeit bringen – auch dies könnte mit zur Lösung des Arbeits- und Fachkräftemangels beitragen. Der Wochenbericht untersucht, wie Geflüchtete über die Zeit in den Arbeitsmarkt in Deutschland finden, in welcher beruflichen Position sie dort beschäftigt sind und welche Faktoren eine Fach- gegenüber einer Hilfskrafttätigkeit beeinflussen. Die Analyse zeigt: Die Erwerbsbeteiligung von Geflüchteten – vor allem im Hilfs- und Fachkrafttätigkeitsfeld – nahm von 2016 bis 2020 zu. Geflüchtete steigen zum einen über die Zeit zunehmend als Fachkräfte ein und wechseln zum anderen auch von Hilfs-zu Fachkrafttätigkeiten. So arbeiteten 2020 die meisten erwerbstätigen Geflüchteten als Fachkraft. Triebfedern für eine Platzierung als Fachkraft und einen Aufstieg in eine solche Position sind Qualifikationen, wie mitgebrachte Bildungsabschlüsse, der deutsche Spracherwerb und das Erlangen deutscher Bildungsabschlüsse. Schlüssel für eine gelungene Integration sind also die bekannten Faktoren. Das vielfältige Angebot an Sprachlernmöglichkeiten und beruflicher Aus- und Weiterbildung sollte daher aufrechterhalten und von den Geflüchteten effizient genutzt werden, denn es zahlt sich in Form höherer beruflicher Positionierung aus.
description: DIW Wochenbericht, 90 (2023), 48, S. 663-670
Additional file 4 of DNA methylation-based profiling reveals distinct clusters with survival heterogeneity in high-grade serous ovarian cancer
Creators: name: Wang, Jieyu
name: Li, Jun
name: Chen, Ruifang
name: Yue, Huiran
name: Li, Wenzhi
name: Wu, Beibei
name: Bai, Yang
name: Zhu, Guohua
name: Lu, Xin
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biological Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Hematology

description: Additional file 4: Table S3. The top 20 statistically significant molecular functions based on corresponding genes derived from the differentially methylated probe (Table S1).
Local monotonicity of Riemannian and Finsler volume with respect to boundary distances
Creators: name: Ivanov, Sergei
Publisher: name: arXiv
Year: 2011
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C60, 53C20, 44A12

description: We show that the volume of a simple Riemannian metric on $D^n$ is locally monotone with respect to its boundary distance function. Namely if $g$ is a simple metric on $D^n$ and $g'$ is sufficiently close to $g$ and induces boundary distances greater or equal to those of $g$, then $vol(D^n,g')\ge vol(D^n,g)$. Furthermore, the same holds for Finsler metrics and the Holmes--Thompson definition of volume. As an application, we give a new proof of the injectivity of the geodesic ray transform for a simple Finsler metric.
description: 13 pages, v3: minor corrections and clarifications, to appear in Geometriae Dedicata
title: Conrad Barthold Behrens
title: An entry in the LCA Online Dictionary of Leibniz’s Correspondents and Acquaintances
titleType: Subtitle
Creators: name: (:Tba)
Publisher: name: LCA Project
Year: 2018

description: Conrad Barthold Behrens as a personal relation of Leibniz’s: The resource presents biographical information on a correspondent of Leibniz's
title: Zwischen Erwerbs- und Sorgearbeit: Nach Deutschland Geflüchtete der Jahre 2015 und 2016: Editorial
Creators: name: Kristen, Cornelia
name: Gauer, Miriam
name: Liebau, Elisabeth
Publisher: name: DIW - Deutsches Institut für Wirtschaftsforschung
Year: 2023

description: DIW Wochenbericht, 90 (2023), 48, S. 661-662
Análisis de la transitividad en la revista colombiana brujas: las mujeres escriben (1982-1987). Un análisis positivo del discurso.
Creators: name: Ruiz Padilla, Elizabeth
Publisher: name: Universidad de Cartagena
Year: 2023
Subjects: subject: Análisis de discurso
subject: Revistas
subject: Mujeres - Investigaciones

description: Este proyecto tiene como objeto analizar algunas conferencias, comunicados y artículos publicados en la revista colombiana Brujas: las mujeres escriben (1982-1987), a través de un análisis positivo del discurso basado en la lingüística sistémico funcional (LSF), para develar la representación discursiva de los actores sociales que subyace en ese discurso periodístico y, así, contribuir a la comprensión del posicionamiento ideológico de dicha revista. El análisis de la transitividad reveló que se le da un rol protagónico y positivo a la mujer, pues tiende a representarse como actor de procesos materiales, perceptor de procesos mentales, portador (identificado o poseedor) de procesos relacionales y emisor de procesos verbales. Se concluye que, ante el discurso hegemónico patriarcal del contexto histórico, político y sociocultural de Colombia que ha invisibilizado y excluido sistemáticamente a la mujer, la revista Brujas construye un discurso de resistencia en el que, mediante el recurso lingüístico de la transitividad, le otorga un rol protagónico a lo femenino, no se representa como víctima, sino con agencialidad; lo cual ofrece una interpretación alternativa a los tradicionales estereotipos de género. Mientras que los hombres, la izquierda y la cultura son representados como villanos que han creado un sistema que margina activamente a las mujeres
title: Elieser Lef(f)man(n) Be(h)rens Cohen
title: An entry in the LCA Online Dictionary of Leibniz’s Correspondents and Acquaintances
titleType: Subtitle
Creators: name: (:Tba)
Publisher: name: LCA Project
Year: 2018

description: Elieser Lef(f)man(n) Be(h)rens Cohen as a personal relation of Leibniz’s: The resource presents biographical information on a correspondent of Leibniz's
title: Wolf Dietrich Beichling(en)
title: An entry in the LCA Online Dictionary of Leibniz’s Correspondents and Acquaintances
titleType: Subtitle
Creators: name: (:Tba)
Publisher: name: LCA Project
Year: 2018

description: Wolf Dietrich Beichling(en) as a personal relation of Leibniz’s: The resource presents biographical information on a correspondent of Leibniz's
Conditions for low-redshift positive apparent acceleration in smooth inhomogeneous models
Creators: name: Romano, Antonio Enea
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: It is known that a smooth LTB model cannot have a positive apparent central acceleration. Using a local Taylor expansion method we study the low-redshift conditions to obtain an apparent negative deceleration parameter $q^{app}(z)$ derived from the luminosity distance $D_L(z)$ for a central observer in a LTB space, confirming that central smoothness implies a positive central deceleration. Since observational data is only available at redshift greater than zero we find the critical values of the parameters defining a centrally smooth LTB model which give a positive apparent acceleration at $z>0$, providing a graphical representation of the conditions in the $q_0^{app},q_1^{app}$ plane, which are respectively the zero and first order terms of the central Taylor expansion of $q^{app}(z)$. We finally derive a coordinate independent expression for the apparent deceleration parameter based on the expansion of the relevant functions in red-shift rather than in the radial coordinate. We calculate $q^{app}(z)$ with two different methods to solve the null geodesic equations, one based on a local central expansion of the solution in terms of cosmic time and the other one using the exact analytical solution in terms of generalized conformal time. %The expansion of the solution in terms of cosmic time is quite useful also for other applications requiring foliation %of space-time in space-like hyper-surfaces, such as spatial averaging, which is much more difficult to study using the %analytical solution in terms of the generalized conformal time coordinate.
description: 18 pages, 3 figures, abstract, added section with coordinate independent conditions, version accepted for publication in GRG
Additional file 5 of DNA methylation-based profiling reveals distinct clusters with survival heterogeneity in high-grade serous ovarian cancer
Creators: name: Wang, Jieyu
name: Li, Jun
name: Chen, Ruifang
name: Yue, Huiran
name: Li, Wenzhi
name: Wu, Beibei
name: Bai, Yang
name: Zhu, Guohua
name: Lu, Xin
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biological Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Hematology

description: Additional file 5: Table S4. The top 20 statistically significant pathways according to Kyoto Encyclopedia of Genes and Genomes pathway analysis(Table S1).
A Simple Proof of Vitali's Theorem for Signed Measures
Creators: name: Samuel, Tony
Publisher: name: arXiv
Year: 2012
Subjects: subject: Dynamical Systems (math.DS)
subject: Metric Geometry (math.MG)
subject: FOS: Mathematics
subject: 28Axx

description: There are several theorems named after the Italian mathematician Vitali. In this note we provide a simple proof of an extension of Vitali's Theorem on the existence of non-measurable sets. Specifically, we show, without using any decomposition theorems, that there does not exist a non-trivial, atom-less, $σ$-additive and translation invariant set function $\mathcal{L}$ from the power set of the real line to the extended real numbers with $\mathcal{L}([0,1]) = 1$. (Note that $\mathcal{L}$ is not assumed to be non-negative.)
Sabiduría popular e interculturalidad: análisis discursivo de refranes como estrategia para desarrollar la competencia intercultural en clase de Ele.
Creators: name: Sierra Muentes, Gabriela
Publisher: name: Universidad de Cartagena
Year: 2023
Subjects: subject: Análisis de discurso
subject: Lenguaje y cultura - Enseñanza
subject: Comunicación - Aprendizaje

description: Este proyecto tiene como objeto realizar un análisis discursivo de algunos refranes colombianos, que desentraña las interconexiones entre los recursos lingüísticos y los saberes y comportamientos sociales de los habitantes de Colombia, para orientar al profesor de español lengua extranjera (ELE) en el desarrollo de la competencia intercultural de sus estudiantes extranjeros en los niveles B1-B2, desde un enfoque comunicativo y pragmático. Los resultados muestran que los refranes analizados apelan indirectamente a voces de la memoria social, cultural y familiar (sentir y pensar colectivo). Expresan instrucciones éticas sin circunscripción temporal (carácter arcaico, impersonalización, verbos en presente de indicativo e imperativo). Se construyen con una estructura bimembre en la que se usan oposiciones léxicas, mediante antónimos que enfatizan el contraste entre significados (bipolaridad temática) para reforzar una enseñanza o prescripción de tipo axiológico o moral. Además, con similicadencia garantizan que la moraleja o enseñanza didáctica llegue al receptor
Entire large solutions for semilinear elliptic equations
Creators: name: Dupaigne, Louis
name: Ghergu, Marius
name: Goubet, Olivier
name: Warnault, Guillaume
Publisher: name: arXiv
Year: 2011
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We analyze the semilinear elliptic equation $Δu=ρ(x) f(u)$, $u>0$ in ${\mathbf R}^D$ $(D\ge3)$, with a particular emphasis put on the qualitative study of entire large solutions, that is, solutions $u$ such that $\lim_{|x|\rightarrow +\infty}u(x)=+\infty$. Assuming that $f$ satisfies the Keller-Osserman growth assumption and that $ρ$ decays at infinity in a suitable sense, we prove the existence of entire large solutions. We then discuss the more delicate questions of asymptotic behavior at infinity, uniqueness and symmetry of solutions.
description: Journal of Differential Equations 2012, 28 pages