cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Hyper-paramteres for the models used for the experiments in the paper "Multimodal analysis of the predictabilityof hand-gesture properties"
Creators: name: Kucherenko, Taras
Publisher: name: figshare
Year: 2021
Subjects: subject: Artificial Intelligence and Image Processing
subject: FOS: Computer and information sciences
subject: 80103 Computer Graphics
subject: 80602 Computer-Human Interaction
subject: FOS: Psychology

description: Those files contain the complete list of hyper-parameters of the different models used for the gesture-properties prediction experiments in the paper "Multimodal analysis of the predictabilityof hand-gesture properties".
White matter regions with low microstructure in young adults spatially coincide with white matter hyperintensities in older adults
Creators: name: Lao, Patrick J.
name: Vorburger, Robert S.
name: Narkhede, Atul
name: Gazes, Yunglin
name: Igwe, Kay C.
name: Colón, Juliet
name: Amarante, Erica
name: Guzman, Vanessa A.
name: Last, Briana S.
name: Habeck, Christian G.
name: Stern, Yaakov
name: Brickman, Adam M.
Publisher: name: Columbia University
Year: 2019
Subjects: Brain--Aging
White matter
Neurology

description: Microstructural and macrostructural white matter damage occurs frequently with aging, is associated with negative health outcomes, and can be imaged non-invasively as fractional anisotropy (FA) and white matter hyperintensities (WMH), respectively. The extent to which diminished microstructure precedes or results from macrostructural white matter damage is poorly understood. This study evaluated the hypothesis that white matter areas with normatively lower microstructure in young adults are most susceptible to develop WMH in older adults. Forty-nine younger participants (age = 25.8 ± 2.8 years) underwent diffusion-weighted imaging (DWI), and 557 older participants (age = 73.9 ± 5.7 years) underwent DWI and T2-weighted magnetic resonance imaging (MRI). In older adults, WMH had a mostly periventricular distribution with higher frequency in frontal regions. We found lower FA in areas of frank WMH compared to normal-appearing white matter (NAWM) in older adults. Then, to determine if areas of normatively lower white matter microstructure spatially overlap with areas that frequently develop macrostructural damage in older age, we created a WMH frequency map in which each voxel represented the percentage of older adults with a WMH in that voxel. We found lower normative FA in young adults with regions frequently segmented as WMH in older adults. We conclude that low white matter microstructure is observed in areas of white matter macrostructural damage, but white matter microstructure is also normatively low (i.e., at ages 20–30) in regions with high WMH frequency, prior to white matter macrostructural damage.
Sex moderates the effect of aerobic exercise on some aspects of cognition in cognitively intact younger and middle-age adults
Creators: name: Stern, Yaakov
name: Lee, Seonjoo
name: Predovan, David
name: Sloan, Richard P.
Publisher: name: Columbia University
Year: 2019
Subjects: Cognition
Aerobic exercises
Sex
Body mass index

description: We recently reported the results of a randomized, parallel-group, observer-masked, community-based clinical trial of 132 cognitively normal individuals aged 20–67 with below median aerobic capacity who were randomly assigned to one of two 6-month, four-times-weekly conditions: aerobic exercise and stretching/toning. We now assessed potential sex moderation on exercise-related changes in aerobic capacity, BMI and cognitive function. There was no sex moderation of the effect of aerobic exercise on aerobic capacity or BMI. We had previously reported an effect of aerobic exercise on executive function that was moderated by age. We found additional moderation by sex, such that in any age range men improved more than women. Processing speed showed significant sex moderation but not significant age moderation. In men, processing speed significantly improved by week 12 (b = 0.35, p = 0.0051), but the effect was diminished relative to week 12 at week 24 (b = 0.24, p = 0.0578). In women, there was no exercise effect at either time point (week 12: b = −0.06, p = 0.4156; week 24: b = −0.11, p = 0.1841). Men benefited cognitively more than women from aerobic exercise. This study highlights the importance of using sex-disaggregated analyses when assessing the impact of physical exercise intervention, and the need to ascertain the underlying mechanisms for differential cognitive benefit by sex.
TESS Experiments: Mechanical Asians and Animalistic Blacks: The Political Implications of the Symmetry of Two Forms of Dehumanization in Racial Perceptions
Creators: name: Bai, Hui
Publisher: name: Roper Center for Public Opinion Research
Year: 2023

description: Time-sharing Experiments for the Social Sciences (TESS) offers researchers the opportunity to capture the internal validity of experiments. Investigators submit proposals, and TESS fields successful proposals for free on a representative sample of adults in the United States. This experiment was conducted to test whether Black and Asian political candidates are differentially undermined by the animalistic and mechanical dehumanization, respectively. Respondents were randomly assigned to evaluate one of four pairs of gubernatorial candidates consisting of an Asian candidate (Mayor Qiming Zhao) and a Black candidate (Mayor Maurice Johnson). Respondents were presented with counterbalanced accomplishments for both candidates (public school funding/healthcare/jobs accomplishments vs. legislation authored/economic/intergovernmental relations accomplishments) and a visual of traits required in the governor position and traits to be avoided (human-animalistic vs. human-mechanical). A total of 1,501 respondents participated. This allowed for comparison of candidate evaluations across treatments.
Dimensional analysis of the inflation process of parachute canopies
Creators: name: Kaplun, Saul
Publisher: name: California Institute of Technology
Year: 1951
Subjects: Aeronautics

description: The possibility of an experimental approach based on dimensional analysis is considered.  Dimensional analysis of the filling of a parachute tied to a fixed support is given.  The physical variables of the problem are discussed, and an attempt is made to retain for subsequent analysis of all those variables for which the a priori assumption of negligibility is not warranted.  The variables are reduced to dimensionless form, leading to tables of model rules which must be obeyed for various purposes.  The possibility of a rigorous experimental procedure and, especially, of separating the effects of the several parameters is discussed in light of the model rules.
Die Götter Griechenlands im Museum: Eine Ausstellung im Haus der Kunst in München
Creators: name: Cornelius, Peter
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: Im Münchener Haus der Kunst läuft seit dem 10. September die bemerkenswerte Ausstellung "Peter Cornelius: Die Götter Griechenlands. Die Kartons für die Fresken der Glyptothek in München", auf die wir unsere Leser genauer hinweisen wollen.
description: Pegasus-Onlinezeitschrift, Bd. 4, Nr. 2 (2004): Pegasus-Onlinezeitschrift
Cäsar oder Erasmus? Zum Tod von Manfred Fuhrmann
Creators: name: Fritsch, Andreas
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: [nicht vorhanden / not available]
description: Pegasus-Onlinezeitschrift, Bd. 4, Nr. 3 (2004): Pegasus-Onlinezeitschrift
Friedrich Immanuel Niethammer und der bildungspolitische Streit des Philanthropinismus und Humanismus um 1800
Creators: name: Schauer, Markus
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: Um 1800 hatten die alten Sprachen mit Legitimationsproblemen zu kämpfen, die den heutigen in mancher Hinsicht vergleichbar sind. Eine der Schlüsselfiguren des damaligen bildungspolitischen Disputs war Niethammer, der für das gesamte bayerische Schulwesen ein Reformprogramm durchführte. Niethammers Rolle in Bayern entspricht der Wilhelm von Humboldts in Preußen: Beide hatten etwa dieselbe ministeriale Stellung inne, beide initiierten eine Reform des Schulwesens, beide entwarfen bildungstheoretische Konzepte. In seiner Schrift Der Streit des Philanthropinismus und Humanismus legt Niethammer die theoretische Grundlage für seine Reformen vor. Der folgende Beitrag ist dem Reformer und Bildungspolitiker Niethammer gewidmet, der ein wenig im Schatten seines 'großen Bruders' Humboldt steht, obwohl seine Bildungstheorie gerade in heutiger Zeit wichtige Anregungen geben könnte.
description: Pegasus-Onlinezeitschrift, Bd. 5, Nr. 1 (2005): Pegasus-Onlinezeitschrift
title: Ovid
Creators: name: Ward, Ian
Publisher: name: University of Muenster, Institutional Repository MIAMI
Year: 2022
Subjects: subject: 340 Law
subject: 871 Latin poetry
subject: 930 History of ancient world to ca. 499

description: Der Artikel stellt den römischen Juristen Ovid als Vorhut eines römischen Vorstoßes in die Landschaft der Recht und Literatur-Forschung dar. Sein Frühwerk – die Liebeselegien, die Ars amatoria, die "Heilmittel gegen die Liebe" – behandelt u.a. Themen wie Ehebruch und Prostitution und muss im Verhältnis zur Sittenpolitik und den Ehegesetzen des Augustus gelesen werden. Auch die in Ovids "Metamorphosen" vorgestellten Fallgeschichten betreffen häufig Sexualvergehen. Näher untersucht werden hier die Fälle des Tiresias, der Philomela und der Myrrha. Erörtert wird zudem Ovids eigener Fall: seine Verbannung aus Rom und die ‚Berufung‘ dagegen, die er in seinem lyrischen Spätwerk vorträgt. Auch wenn seine Appelle ohne unmittelbaren Erfolg blieben, war Ovid immerhin darin erfolgreich, das Interesse der Nachwelt an seiner Dichtung und seinem Fall nachhaltig wachzuhalten.
description: The focus of this article is on Ovid the jurist. In order to establish a necessary context, Ovid the poet, his writing and what he had to say, or insinuate, about the law will be surveyed. The early love-elegies, which deal with themes such as adultery and prostitution, will be related to Augustus’ strict moral politics and laws. Many of the cases presented in the Metamorphoses likewise deal with topics of sexual nature, three of which will be examined more closely: Tiresias, Philomela, Myrrha. Finally, this article contemplates Ovids personal case, his banishment from Rome and his lyrical appeal brough forward in his later works. Although his appeal to Rome failed, his ultimate success as a poet is proven by his ongoing reception. In particular, Ovid can be discerned at the vanguard of a Roman advance across the landscape of the law and literature-movement.
Universal slow growth of entanglement in interacting strongly disordered systems
Creators: name: Serbyn, Maksym
name: Papić, Z.
name: Abanin, Dmitry A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Recent numerical work by Bardarson et. al. [Phys. Rev. Lett. 109, 017202 (2012)] revealed a slow, logarithmic in time, growth of entanglement entropy for initial product states in a putative many-body localized phase. We show that this surprising phenomenon results from the dephasing due to exponentially small interaction-induced corrections to the eigenenergies of different states. For weak interactions, we find that the entanglement entropy grows as ξln (Vt/\hbar), where V is the interaction strength, and ξis the single-particle localization length. The saturated value of the entanglement entropy at long times is determined by the participation ratios of the initial state over the eigenstates of the subsystem. The proposed mechanism is illustrated with numerical simulations of small systems. Our work shows that the logarithmic entanglement growth is a universal phenomenon characteristic of the many-body localized phase in any number of spatial dimensions, and reveals a broad hierarchy of dephasing time scales present in such a phase.
description: 5 pages, 3 figures; v2: minor changes, few typos corrected, new references added; v3: published version
Habent sua fata libelli. Ein Besuch des Leistungskurses Latein der Paulsen Oberschule Berlin-Steglitz im Seminar für Mittellateinische Philologie der Freien Universität Berlin
Creators: name: Freese-Rieck, Regina
name: Lozar, Angelika
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: In einem gemeinsamen Projekt zwischen Schule und Universität erhalten Schüler einen Einblick in die Grundlagen und Probleme der Überlieferungsgeschichte lateinischer Texte von der Antike über das Mittelalter bis in die Neuzeit.
description: Pegasus-Onlinezeitschrift, Bd. 5, Nr. 1 (2005): Pegasus-Onlinezeitschrift
Das Auftreten des Pompejus in Jerusalem in Texten jüdischer Autoren. Ergänzungstexte zum Thema ‚Die Ausdehnung des römischen Herrschaftsanspruches‘
Creators: name: Schwillus, Harald
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: Harald Schwillus stellt zwei Zusatztexte für den Lateinunterricht vor, die dem Leser einen lebendigen Eindruck davon verschaffen, wie die Ausdehnung des römischen Imperiums von einem unterworfenen Volk wahrgenommen wurde.
description: Pegasus-Onlinezeitschrift, Bd. 5, Nr. 1 (2005): Pegasus-Onlinezeitschrift
Intensivierungsstunden am achtjährigen Gymnasium in Bayern. Ziele, Organisation und ihre Umsetzung im Lateinunterricht
Creators: name: Hotz, Michael
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: Mit der Einführung von Intensivierungsstunden am achtjährigen Gymnasium in Bayern wurde ein völlig neuer Weg in der (bayerischen) Schulpolitik beschritten. Der vorliegende Artikel will in einem kurzen Überblick die Ziele und Organisation dieser neuen Unterrichtsform, aber auch die Möglichkeiten ihrer praktischen Umsetzung im Lateinunterricht vorstellen.
description: Pegasus-Onlinezeitschrift, Bd. 5, Nr. 2+3 (2005): Pegasus-Onlinezeitschrift
A study of methods to increase the lift of supersonic airfoils at low speeds
Creators: name: Pollock, Albert David
name: Reck, Floyd Francis
Publisher: name: California Institute of Technology
Year: 1947
Subjects: Aeronautical Engineering
Aeronautics

description: This thesis presents a study of the problem of improving the lift characteristics of a supersonic wing at low speeds. Trailing edge split flaps, nose flaps, and boundary layer control were investigated singularly and together using the optimum configuration of each.

Results indicate that the nose flap has an appreciable effect on preventing separation and thus increasing the lift. Split flaps give an increment of lift as would be expected. The boundary layer control consisted of blowing a sheet of high velocity air back over the top surface of the wing with very definite improvements of the lift and drag characteristics.

The work on the blowing technique, it is suggested, indicates sufficient promise to warrant much further study. The relatively large increment of lift that can be attributed to the prevention of flow separation at high angles of attack suggests that such boundary layer control could be used to improve controlability and to delay the stall, particularly tip stall, of high speed aircraft with very large sweep back angles.
Medicaid Contributes Substantial Costs to Dementia Care in an Ethnically Diverse Community
Creators: name: Zhu, Carolyn W.
name: Ornstein, Katherine A.
name: Cosentino, Stephanie
name: Gu, Yian
name: Andrews, Howard F.
name: Stern, Yaakov
Publisher: name: Columbia University
Year: 2020
Subjects: Dementia
Medicare
Medicaid
Medical care, Cost of--Evaluation

description: Objectives: The main objective of this study was to estimate effects of dementia on Medicaid expenditures in an ethnically diverse community. Methods: The sample included 1,211 Medicare beneficiaries who did not have any Medicaid coverage and 568 who additionally had full Medicaid coverage enrolled in the Washington Heights-Inwood Columbia Aging Project (WHICAP), a multiethnic, population-based, prospective study of cognitive aging in northern Manhattan (1999–2010). Individuals’ dementia status was determined using a rigorous clinical protocol. Relationship between dementia and Medicaid coverage and expenditures were estimated using a two-part model. Results: In participants who had full Medicaid coverage, average annual Medicaid expenditures were substantially higher for those with dementia than those without dementia ($50,270 vs. $21,966, p < .001), but Medicare expenditures did not differ by dementia status ($8,458 vs. $9,324, p = .19). In participants who did not have any Medicaid coverage, average annual Medicare expenditures were substantially higher for those with dementia than those without dementia ($12,408 vs. $8,113, p = .02). In adjusted models, dementia was associated with a $6,278 increase in annual Medicaid spending per person after controlling for other characteristics. Discussion: Results highlight Medicaid’s contribution to covering the cost of dementia care in addition to Medicare. Studies that do not include Medicaid are unlikely to accurately reflect the true cost of dementia.
Between-network functional connectivity is modified by age and cognitive task domain
Creators: name: Varangis Burns, Eleanna Martha
name: Razlighi, Qolamreza R.
name: Habeck, Christian G.
name: Fisher, Zachary
name: Stern, Yaakov
Publisher: name: Columbia University
Year: 2019
Subjects: Cognition
Brain--Aging
Neural networks (Neurobiology)

description: Research on the cognitive neuroscience of aging has identified myriad neurocognitive processes that are affected by the aging process, with a focus on identifying neural correlates of cognitive function in aging. This study aimed to test whether internetwork connectivity among six cognitive networks is sensitive to age-related changes in neural efficiency and cognitive functioning. A factor analytic connectivity approach was used to model network interactions during 11 cognitive tasks grouped into four primary cognitive domains: vocabulary, perceptual speed, fluid reasoning, and episodic memory. Results showed that both age and task domain were related to internetwork connectivity and that some of the connections among the networks were associated with performance on the in-scanner tasks. These findings demonstrate that internetwork connectivity among several cognitive networks is not only affected by aging and task demands but also shows a relationship with task performance. As such, future studies examining internetwork connectivity in aging should consider multiple networks and multiple task conditions to better measure dynamic patterns of network flexibility over the course of cognitive aging.
Towards an ontology of cognitive processes and their neural substrates: a structural equation modeling approach
Creators: name: Eich, Teal
name: Parker, David
name: Gazes, Yunglin
name: Razlighi, Qolamreza R.
name: Habeck, Christian G.
name: Stern, Yaakov
Publisher: name: Columbia University
Year: 2020
Subjects: Cognition
Neural networks (Neurobiology)
Magnetic resonance imaging
Brain mapping

description: A key challenge in the field of cognitive neuroscience is to identify discriminable cognitive functions, and then map these functions to brain activity. In the current study, we set out to explore the relationships between performance arising from different cognitive tasks thought to tap different domains of cognition, and then to test whether these distinct latent cognitive abilities also are subserved by corresponding “latent” brain substrates. To this end, we tested a large sample of adults under the age of 40 on twelve cognitive tasks as they underwent fMRI scanning. Exploratory factor analysis revealed 4-factor model, dissociating tasks into processes corresponding to episodic memory retrieval, reasoning, speed of processing and vocabulary. An analysis of the topographic covariance patterns of the BOLD-response acquired during each task similarity also converged on four neural networks that corresponded to the 4 latent factors. These results suggest that distinct ontologies of cognition are subserved by corresponding distinct neural networks.
A task-invariant cognitive reserve network
Creators: name: Stern, Yaakov
name: Gazes, Yunglin
name: Razlighi, Qolamreza R.
name: Steffener, Jason
name: Habeck, Christian G.
Publisher: name: Columbia University
Year: 2018
Subjects: Cognition
Brain--Aging
Magnetic resonance imaging
Neurology

description: The concept of cognitive reserve (CR) can explain individual differences in susceptibility to cognitive or functional impairment in the presence of age or disease-related brain changes. Epidemiologic evidence indicates that CR helps maintain performance in the face of pathology across multiple cognitive domains. We therefore tried to identify a single, “task-invariant” CR network that is active during the performance of many disparate tasks. In imaging data acquired from 255 individuals age 20–80 while performing 12 different cognitive tasks, we used an iterative approach to derive a multivariate network that was expressed during the performance of all tasks, and whose degree of expression correlated with IQ, a proxy for CR. When applied to held out data or forward applied to fMRI data from an entirely different activation task, network expression correlated with IQ. Expression of the CR pattern accounted for additional variance in fluid reasoning performance over and above the influence of cortical thickness, and also moderated between cortical thickness and reasoning performance, consistent with the behavior of a CR network. The identification of a task-invariant CR network supports the idea that life experiences may result in brain processing differences that might provide reserve against age- or disease-related changes across multiple tasks.
Effect of aerobic exercise on cognition in younger adults: a randomized clinical trial
Creators: name: Stern, Yaakov
name: MacKay-Brandt, Anna
name: Lee, Seonjoo
name: McKinley, Paula
name: McIntyre, Kathleen M.
name: Razlighi, Qolamreza R.
name: Agarunov, Emil
name: Bartels, Matthew
name: Sloan, Richard P.
Publisher: name: Columbia University
Year: 2019
Subjects: Cognition
Aerobic exercises

description: Objective To determine efficacy of aerobic exercise for cognitive function in younger healthy adults. Methods In a randomized, parallel-group, observer-masked, community-based clinical trial, 132 cognitively normal individuals aged 20–67 with below median aerobic capacity were randomly assigned to one of two 6-month, 4-times-weekly conditions: aerobic exercise and stretching/toning. Efficacy measures included aerobic capacity; cognitive function in several domains (executive function, episodic memory, processing speed, language, and attention), everyday function, body mass index (BMI), and cortical thickness. Results Aerobic capacity increased significantly (β = 2.718; p = 0.003), and BMI decreased significantly (β = −0.596; p = 0.013) in the aerobic exercise but not in the stretching/toning condition. Executive function improved significantly in the aerobic exercise condition; this effect was moderated by age (β = 0.018 SD/y; p = 0.028). At age 40, the executive function measure increased by 0.228 SD (95% confidence interval [CI] 0.007–0.448), and by 0.596 SD (95% CI 0.219–0.973) at age 60. Cortical thickness increased significantly in the aerobic exercise group in a left frontal region and did not interact with age. Controlling for age and baseline performance, individuals with at least one APOE ε4 allele showed less improvement in executive function with aerobic exercise (β = 0.5129, 95% CI 0.0381–0.988; p = 0.0346). Conclusions This randomized clinical trial demonstrates the efficacy of aerobic exercise for cognition in adults age 20–67. The effect of aerobic exercise on executive function was more pronounced as age increased, suggesting that it may mitigate age-related declines. Increased cortical thickness suggests that aerobic exercise contributes to brain health in individuals as young as age 20. Clinicaltrials.gov identifier NCT01179958. Classification of evidence This study provides Class II evidence that for adults age 20–67 with below median aerobic capacity, aerobic exercise significantly improves executive function but not other measures of cognitive function.
Brain arterial diameters and cognitive performance: the Northern Manhattan Study
Creators: name: Gutierrez Contreras, Jose
name: Kulick, Erin
name: Park Moon, Yeseon
name: Dong, Chuanhui
name: Cheung, Ken
name: Ahmet, Bagci
name: Stern, Yaakov
name: Alperin, Noam
name: Rundek, Tatjana
name: Sacco, Ralph L.
name: Wright, Clinton B.
name: Elkind, Mitchell S.
Publisher: name: Columbia University
Year: 2018
Subjects: Vascular dementia
Cognition
Brain--Aging
Arteries--Dilatation

description: Objectives: To test the hypothesis that brain arterial diameters are associated with cognitive performance, particularly in arteries supplying domain-specific territories. Methods: Stroke-free participants in the Northern Manhattan Study were invited to have a brain MRI from 2003–2008. The luminal diameters of 13 intracranial arterial segments were obtained using time-of-flight magnetic resonance angiogram (MRA), and then averaged and normalized into a global score and region-specific arterial diameters. Z-Scores for executive function, semantic memory, episodic memory and processing speed were obtained at MRI and during follow-up. Adjusted generalized additive models were used to assess for associations. Results: Among the 1034 participants with neurocognitive testing and brain MRI, there were non-linear relationships between left anterior (ACA) and middle cerebral artery (MCA) diameter and semantic memory Z-scores (χ2=10.00; DF=3; p=.019), and left posterior cerebral artery (PCA) and posterior communicating artery (Pcomm) mean diameter and episodic memory Z-scores (χ2=9.88; DF=3; p=.020). Among the 745 participants who returned for 2nd neuropsychological testing, on average 5.0±0.4 years after their MRI, semantic memory change was associated non-linearly with the left PCA/Pcomm mean diameter (χ2=13.09; DF=3; p=.004) and with the right MCA/ACA mean diameter (χ2=8.43; DF=3; p=.03). In both cross-sectional and longitudinal analyses, participants with the larger brain arterial diameters had more consistently lower Z-scores and greater decline than the rest of the participants. Conclusions: Brain arterial diameters may have downstream effects in brain function presenting as poorer cognition. Identifying the mechanisms and the directionality of such interactions may increase the understanding of the vascular contribution to cognitive impairment and dementia.
Striped phases from holography
Creators: name: Donos, Aristomenis
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We discuss new types of second order phase transitions in holography by constructing striped black holes in D=4 with $AdS_{4}$ asymptotics. In the context of $AdS/CFT$, they provide the gravity duals to field theory phases in which translational symmetry is spontaneously broken due to the formation of current density waves. These black holes are associated to three dimensional CFTs at finite temperature and deformed by a uniform chemical potential. We numerically solve a non-linear system of PDEs in order to construct the black hole geometries and extract some of their thermodynamic properties.
description: 18 pages, 5 figures
Catull und Caesar
Creators: name: Stratenwerth, Dietrich
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: Dietrich Stratenwerth stellt wieder Material für sinnvollen Computereinsatz im Unterricht vor: Diesmal geht es um die Beziehung zwischen Catull und Caesar. Anhand ausgewählter Catull-Gedichte werden dabei die Fragen erörtert, ob Catull ein politischer Dichter oder ein Kritiker des römischen Imperialismus sei und wie die Homosexualität in der Antike bewertet wurde. Zur Erarbeitung der komplexen Gedichte wie der Ausschnitte aus Suetons Caesar-Biographie werden Hypertexte vorgestellt, die die „Kofferpack-Methode“ (gradatim) nutzen, um den Schülerinnen und Schülern die selbstständige Texterarbeitung am Computer unter Inanspruchnahme der jeweils benötigten Hilfen zu ermöglichen.

Anhang 1 - 5
description: Pegasus-Onlinezeitschrift, Bd. 5, Nr. 2+3 (2005): Pegasus-Onlinezeitschrift
Martial - didaktisch Plädoyer für die schulische Nutzanwendung eines 'unerwarteten Klassikers'
Creators: name: Habermehl, Peter
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: Peter Habermehl präsentiert eine interessante Auswahl aus dem Werks Martials, das sich recht deutlich von bisherigen Textarrangements unterscheidet. Er bietet u.a. Texte zu den Themen Die Stadt Rom, Auf Roms Straßen, Typische Zeitgenossen, In der Arena, Triebleben und Der Dichter.
description: Pegasus-Onlinezeitschrift, Bd. 6, Nr. 2+3 (2006): Pegasus-Onlinezeitschrift
Von Hippozentauren, Silenen und Pedanten. Lukian, Giordano Bruno und dessen Cena de le ceneri
Creators: name: Hufnagel, Henning
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: Giordano Bruno vermischt in seiner Cena de le ceneri die Gattungen Dialog und Komödie miteinander, um sich darin mit satirischen Mitteln als philosophische Autorität zu inszenieren. Der Aufsatz zeichnet nach, wie Bruno dabei auf die Dialogformen Lukians von Samosata zurückgreift und die Gattungsmischung in Anlehnung an Erasmus poetologisch theoretisiert, um abschließend vorzuführen, wie Bruno die Figur des Pedanten in seinem Dialog handhabt.
description: Pegasus-Onlinezeitschrift, Bd. 6, Nr. 1 (2006): Pegasus-Onlinezeitschrift
Horaz im Gespräch - Ein Interview mit einem Einzigartigen. Teil 2: Zur Poesie
Creators: name: Kytzler, Bernhard
Publisher: name: Pegasus-Onlinezeitschrift
Year: 2017

description: In seinen Werken spricht Horaz immer wieder gern von sich, seinem Leben und Werk. So hat er sich gerade mit der Poesie nicht nur in der Ars Poetica beschäftigt. In diesem Artikel sind Ausschnitte aus seinen Werken zusammengestellt, die wie konkrete Antworten auf moderne Interviewfragen wirken. Diese Form ist besonders geeignet, uns Horaz als Person sehr lebendig entgegentreten zu lassen. Diese Interviews könnten auch eine Anregung für Schüler darstellen, in welcher Weise man sich einem antiken Autor und seinem Werk nähern und kreativ damit auseinandersetzen kann.
description: Pegasus-Onlinezeitschrift, Bd. 6, Nr. 1 (2006): Pegasus-Onlinezeitschrift
Michael Wolgemuts Tätigkeit für die Nürnberger Glasmalerei. Dargestellt an der Bildnisscheibe des Dr. Lorenz Tucher von 1485
Creators: name: Ursula, Frenzel
Publisher: name: Anzeiger des Germanischen Nationalmuseums
Year: 2017

description: Anzeiger des Germanischen Nationalmuseums, 1970: Anzeiger des Germanischen Nationalmuseums
Cortical thickness and its associations with age, total cognition and education across the adult lifespan
Creators: name: Habeck, Christian G.
name: Gazes, Yunglin
name: Razlighi, Qolamreza R.
name: Stern, Yaakov
Publisher: name: Columbia University
Year: 2020
Subjects: Cognition
Brain--Aging
Educational attainment
Dementia

description: Early-life education (years of schooling) has been investigated in regards to cognition, health outcomes and mortality. It has been shown to confer cognitive reserve that might lessen the impact of brain pathology and its impact on cognitive and motor functioning in a variety of neurodegenerative diseases and, for instance, to influence electrical activity [Begum, T., Reza, F., Ahmed, I., & Abdullah, J. M. (2014). Influence of education level on design-induced N170 and P300 components of event related potentials in the human brain. J Integr Neurosci, 13(1), 71–88. doi:10.1142/S0219635214500058]. On the other hand, demonstrations of a direct association between education and brain-structural measures have been more equivocal and scant. The current study sought to identify univariate cortical-thickness patterns underlying education and general intelligence after adjusting for age, gender and possible in-scanner movement in 353 individuals aged 40 to 80. We followed up this idea with multivariate analyses as well. For univariate analyses, our analyses yielded no robust associations between education and general intelligence beyond confounding effects of gender, age and extraneous in-scanner movement. A subsequent multivariate analyses showed a relationship between education and regional cortical thickness with a robust pattern of negative as well as positive loadings in several right-sided brain areas, speaking to a subtle but robust distributed effect of education on cortical thickness. Cortical thickness variance that is the residual of this education-related pattern was shown to be positively associated with age and extraneous in-scanner movement. Our study thus presents a complex picture of the association of education with regional cortical thickness: education was associated with a distributed brain-wide pattern of positive as well as negative loadings with unaccounted residuals being larger for older participants. Focal regional associations beyond demographic and age covariates were not identified.
Standard Model-like corrections to Dilatonic Dynamics
Creators: name: Antipin, Oleg
name: Krog, Jens
name: Mølgaard, Esben
name: Sannino, Francesco
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We examine the effects of standard model-like interactions on the near-conformal dynamics of a theory featuring a dilatonic state identified with the standard model-like Higgs. As template for near-conformal dynamics we use a gauge theory with fermionic matter and elementary mesons possessing the same non-abelian global symmetries as a technicolor-like theory with matter in a complex representation of the gauge group. We then embed the electroweak gauge group within the global flavor structure and add also ordinary quark-like states to mimic the effects of the top. We find that the standard model-like induced corrections modify the original phase diagram and the details of the dilatonic spectrum. In particular, we show that the corrected theory exhibits near-conformal behavior for a smaller range of flavors and colors. For this range of values, however, our results suggest that near conformal dynamics could accommodate the observed Higgs-like properties.
description: 15 pages, 8 figures
Microglial activation, but not tau pathology, is independently associated with amyloid positivity and memory impairment
Creators: name: Zou, James Shiyang
name: Tao, Sha
name: Johnson, Aubrey S.
name: Tomljanovic, Zeljko
name: Polly, Krista
name: Klein, Julia
name: Razlighi, Qolamreza R.
name: Brickman, Adam M.
name: Lee, Seonjoo
name: Stern, Yaakov
name: Kreisl, William Charles
Publisher: name: Columbia University
Year: 2020
Subjects: Alzheimer's disease
Amyloid beta-protein
Microglia
Inflammation

description: We sought to determine if upstream amyloid accumulation and downstream cognitive impairment have independent relationships with microglial activation and tau pathology. Fifty-eight older adults were stratified by amyloid and cognitive status based on 18F-florbetaben PET, history, and neuropsychological testing. Of these, 57 had 11C-PBR28 PET to measure microglial activation and 43 had 18F-MK-6240 PET to measure tau pathology. Amyloid and cognitive status were associated with increased overall binding for both 11C-PBR28 and 18F-MK-6240 (p’s < 0.01). While there was no interaction between amyloid and cognitive status in their association with 11C-PBR28 binding (p = 0.6722), there was an interaction in their association with 18F-MK-6240 binding (p = 0.0115). Binding of both radioligands was greater in amyloid-positive controls than in amyloid-negative controls; however, this difference was seen in neocortical regions for 11C-PBR28 and only in medial temporal cortex for 18F-MK-6240. We conclude that, in the absence of cognitive symptoms, amyloid deposition has a greater association with microglial activation than with tau pathology.
Identifying a task-invariant cognitive reserve network using task potency
Creators: name: Van Loenhoud, A. C.
name: Habeck, Christian G.
name: Van Der Flier, W. M.
name: Ossenkoppele, R.
name: Stern, Yaakov
Publisher: name: Columbia University
Year: 2020
Subjects: Brain--Aging
Cognition
Magnetic resonance imaging

description: Cognitive reserve (CR) is thought to protect against the consequence of age- or disease-related structural brain changes across multiple cognitive domains. The neural basis of CR may therefore comprise a functional network that is actively involved in many different cognitive processes. To investigate the existence of such a “task-invariant” CR network, we measured functional connectivity in a cognitively normal sample between 20 and 80 years old (N ​= ​265), both at rest and during the performance of 11 separate tasks that aim to capture four latent cognitive abilities (i.e. vocabulary, episodic memory, processing speed, and fluid reasoning). For each individual, we determined the change in functional connectivity from the resting state to each task state, which is referred to as “task potency” (Chauvin et al., 2018, 2019). Task potency was calculated for each pair among 264 nodes (Power et al., 2012) and then summarized across tasks reflecting the same cognitive ability. Subsequently, we established the correlation between task potency and IQ or education (i.e. CR factors). We identified a set of 57 pairs in which task potency showed significant correlations with IQ, but not education, across all four cognitive abilities. These pairs were included in a principal component analysis, from which we extracted the first component to obtain a latent variable reflecting task potency in this task-invariant CR network. This task potency variable was associated with better episodic memory (β ​= ​0.19, p ​< ​.01) and fluid reasoning performance (β ​= ​0.17, p ​< ​.01) above and beyond the effects of cortical thickness (range [absolute] β ​= ​0.28-0.32, p ​< ​.001). Our identification of this task-invariant network contributes to a better understanding of the mechanism underlying CR, which may facilitate the development of CR-enhancing treatments. Our work also offers a useful alternative operational measure of CR for future studies.
Charged particle geodesics and closed timelike curves in an electromagnetic universe
Creators: name: Halilsoy, M.
name: Memari, V.
Publisher: name: arXiv
Year: 2024
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The spinning electromagnetic universe, known also as the Rotating Bertotti-Robinson(RBR) spacetime is considered as a model to represent our cosmos. The model derives from different physical considerations, such as colliding waves, throat region, and near horizon geometry of the Kerr-Newman black hole. Our interest is whether such a singularity-free spinning cosmology gives rise to a natural direction of flow, a 'chirality' for charged particles. Homochiral structures are known to be crucial for biology to start. Our concern here is cosmology rather than biology, but as in biology, the stable structures in cosmology may also rely on homochiral elements. We show the occurrence of closed timelike curves a 'la' G{ö}del. Such curves, however, seem possible only at localized cell structures, not at large scales, but according to our prescription of near horizon geometry, they arise in the vicinity of any charged, spinning black hole.
description: 13 pages, 5 figures
The Higgs Mass and the Emergence of New Physics
Creators: name: Aydemir, Ufuk
name: Minic, Djordje
name: Takeuchi, Tatsu
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the physical implications of formulating the electroweak (EW) part of the Standard Model (SM) in terms of a superconnection involving the supergroup SU(2/1). In particular, we relate the observed Higgs mass to new physics at around 4 TeV. The ultraviolet incompleteness of the superconnection approach points to its emergent nature. The new physics beyond the SM is associated with the emergent supergroup SU(2/2), which is natural from the point of view of the Pati-Salam model. Given that the Pati-Salam group is robust in certain constructions of string vacua, these results suggest a deeper connection between low energy (4 TeV) and high energy (Planck scale) physics via the violation of decoupling in the Higgs sector.
description: 6 pages, 1 figure. Minor additions (text and references). Version to appear in PLB
Multiple pathways of reserve simultaneously present in cognitively normal older adults
Creators: name: Oh, Hwamee
name: Razlighi, Qolamreza R.
name: Stern, Yaakov
Publisher: name: Columbia University
Year: 2018
Subjects: Cognition
Brain--Aging
Alzheimer's disease
Magnetic resonance imaging

description: Objective To examine neural correlates of intellectual activity underlying multiple pathways imparting reserve by testing that higher intellectual activity is associated with lower brain amyloid pathology, greater gray matter (GM) volume, and differential task-evoked brain activation levels as a function of amyloid positivity status among clinically intact older adults. Methods Eighty-two cognitively normal older adults and 46 healthy young participants underwent fMRI during task switching. All older participants completed 18F-florbetaben-PET and an individual's amyloid positivity status was determined. To assess GM volume, T1-weighted high-resolution structural images were processed using voxel-based morphometry. As lifestyle factors, intellectual activity was estimated by a composite score of vocabulary, reading ability, and years of education. Results Across all older participants, intellectual activity was associated with lower amyloid deposition in lateral and medial frontoparietal and temporal lobes but higher amyloid deposition in superior frontal and parietal cortices, larger GM volume across widespread brain regions, and reduced brain activation during task switching. These patterns of associations, however, differed by amyloid positivity status. While the patterns of associations remained similar among amyloid-negative older adults, among amyloid-positive older adults, intellectual activity was associated with increased amyloid deposition in frontoparietal cortices and increased activation during task. Conclusions Intellectual activity simultaneously exerts both neuroprotective and compensatory effects via multiple neural pathways that promote optimal brain aging and help maintain normal cognition during amyloid accumulation.
title: Ovid (en)
Creators: name: Ward, Ian
Publisher: name: University of Muenster, Institutional Repository MIAMI
Year: 2022
Subjects: subject: 340 Law
subject: 871 Latin poetry

description: The focus of this article is on Ovid the jurist. In order to establish a necessary context, Ovid the poet, his writing and what he had to say, or insinuate, about the law will be surveyed. The early love-elegies, which deal with themes such as adultery and prostitution, will be related to Augustus' strict moral politics and laws. Many of the cases presented in the Metamorphoses likewise deal with topics of sexual nature, three of which will be examined more closely: Tiresias, Philomela, Myrrha. Finally, this article contemplates Ovids personal case, his banishment from Rome and his lyrical appeal brough forward in his later works. Although his appeal to Rome failed, his ultimate success as a poet is proven by his ongoing reception. In particular, Ovid can be discerned at the vanguard of a Roman advance across the landscape of the law and literature-movement.
description: Der Artikel stellt den römischen Juristen Ovid als Vorhut eines römischen Vorstoßes in die Landschaft der Recht und Literatur-Forschung dar. Sein Frühwerk – die Liebeselegien, die Ars amatoria, die "Heilmittel gegen die Liebe" – behandelt u.a. Themen wie Ehebruch und Prostitution und muss im Verhältnis zur Sittenpolitik und den Ehegesetzen des Augustus gelesen werden. Auch die in Ovids "Metamorphosen" vorgestellten Fallgeschichten betreffen häufig Sexualvergehen. Näher untersucht werden hier die Fälle des Tiresias, der Philomela und der Myrrha. Erörtert wird zudem Ovids eigener Fall: seine Verbannung aus Rom und die 'Berufung' dagegen, die er in seinem lyrischen Spätwerk vorträgt. Auch wenn seine Appelle ohne unmittelbaren Erfolg blieben, war Ovid immerhin darin erfolgreich, das Interesse der Nachwelt an seiner Dichtung und seinem Fall nachhaltig wachzuhalten.
Single-particle and many-body analyses of a quasiperiodic integrable system after a quench
Creators: name: He, Kai
name: Santos, Lea F.
name: Wright, Tod M.
name: Rigol, Marcos
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In general, isolated integrable quantum systems have been found to relax to an apparent equilibrium state in which the expectation values of few-body observables are described by the generalized Gibbs ensemble. However, recent work has shown that relaxation to such a generalized statistical ensemble can be precluded by localization in a quasiperiodic lattice system. Here we undertake complementary single-particle and many-body analyses of noninteracting spinless fermions and hard-core bosons within the Aubry-Andre model to gain insight into this phenomenon. Our investigations span both the localized and delocalized regimes of the quasiperiodic system, as well as the critical point separating the two. Considering first the case of spinless fermions, we study the dynamics of the momentum distribution function and characterize the effects of real-space and momentum-space localization on the relevant single-particle wave functions and correlation functions. We show that although some observables do not relax in the delocalized and localized regimes, the observables that do relax in these regimes do so in a manner consistent with a recently proposed Gaussian equilibration scenario, whereas relaxation at the critical point has a more exotic character. We also construct various statistical ensembles from the many-body eigenstates of the fermionic and bosonic Hamiltonians and study the effect of localization on their properties.
description: 14 pages, 14 figures, as published