cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Consider the following: A pilot study of the effects of an educational television program on viewer perceptions of anthropogenic climate change and ocean acidification
Creators: name: Anderson, Brendan M.
name: Herleman, Katherine C.
name: Ebey, Chris
name: Haas, Don
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Climate change portends significant harms to humans and biodiversity but public knowledge of relevant scientific information remains limited. As societal changes and investment are essential to addressing anthropogenic climate change, efforts to better promote both civic science literacy and public awareness of climate change impacts are urgently required. Popular scientific television programming provides one avenue for broad climate change communication efforts. Our pilot study seeks to evaluate the effects viewing a popular scientific television program, “Bill Nye Saves the World: The Earth is a hot mess” on both fact recall and personal perceptions. We surveyed undergraduate students enrolled in non-majors courses at two institutions of higher education, one large selective private university, and one community college with open enrollment before and after viewing this program. The survey contained both open-response questions and Likert-like ordinal responses intended to evaluate both fact recall and beliefs related to climate change. After viewing the program, student awareness of climate change impacts was improved, especially for topics emphasized by the program such as sea level rise. Student awareness of ocean acidification was extremely low prior to viewing the program, and improved dramatically, with most respondents aware that ocean acidification is already impacting marine life after viewing. Our pilot study suggests that scientific television programs may successfully promote awareness of climate change impacts and increase perceived personal relevance of climate change, but additional data from a larger and demographically broad population is required to test whether this result is more broadly applicable. Supplemental data for this article is available online at https://doi.org/10.1080/10899995.2021.1949693
Biophysical Characterization of Cell-Penetrating Peptides for Cargo Delivery or Lipid-Sensing
Creators: name: Menon, Vinay K.
Publisher: name: Purdue University Graduate School
Year: 2023
Subjects: Biochemistry and cell biology not elsewhere classified
Receptors and membrane biology
Proteins and peptides

description: Peptides, specifically cell-penetrating peptides (CPP), have become wonderful research tools due to their enhanced stability, solubility, and ease of synthesis. They have been used for a wide range of biomedical applications, from insecticides to biosensors and drug-delivery scaffolds. The work presented in this dissertation characterizes the biophysical properties of two different CPPs. The first is the cationic amphiphilic polyproline helix (CAPH) peptide, P14LRR. In addition to cell penetration, this CPP has demonstrated broad spectrum antibacterial properties. Fluorescence polarization (FP) and SEC-MALS were conducted to understand the dissociation constant (KD) and oligomerization effects of P14LRR with respect to its putative molecular target in Staphylococcus aureus (S. aureus). A biotinylated derivative of this peptide was also used as a drug-delivery scaffold to transport fluorescently conjugated streptavidin into mammalian cells. A second CPP, DAN13, was also developed as a biosensor for phosphoinositide lipids, specifically PI(4,5)P2. This was effected through careful calibration using stacked supported lipid bilayers (SSLB) in combination with total internal reflection fluorescence (TIRF) microscopy. This was then used to determine the absolute densities and spatial distribution of PIP2 in live KRas mutant cells.
A comparison of adolescent sexual offenders and non-sexually offending juvenile delinquents on familial, sexual and social variables
Creators: name: Nagel, Heidi Elizabeth
Publisher: name: University of Nevada, Las Vegas
Year: 1996

description: Adolescent sexual offenders (n = 27) were compared to non-sexually offending juvenile delinquents (n = 23) on familial, sexual and social variables. The two groups were demographically similar and did not differ significantly on a measure of perceived family environment. It was hypothesized that the two groups would be similar on familial and social variables; that is, both displaying similar levels of perceived dysfunction. It was further hypothesized that the two groups would differ significantly on measured behavioral and cognitive constructs defined as sexual deviance. Non-sexually offending juveniles obtained significantly higher levels of delinquent behaviors whereas the sexual offenders obtained higher levels of internalizing behaviors on the social measure. The sexual offenders correctly indicated their sexually deviant preferences for child victims whereas the non-sexually offending delinquents indicated significant interests in bondage/discipline and Sado-masochism.
Josephson Effect in Coherent Roton Aggregates
Creators: name: Melnikovsky, Lev A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: A microwave electromagnetic field can excite a coherent roton aggregate in liquid helium around a dielectric resonator. We show that multiple coherent aggregates are excited simultaneously and predict a Josephson effect between them. The superfluid velocity acts as a "voltage across the weak link" in superconducting Josephson junctions. A comparison with existing experimental data is made.
description: 2 pages
Modeling international tourism to Israel
Creators: name: Regev, Sharon
Publisher: name: University of Nevada, Las Vegas
Year: 1996

description: This research is based on a survey conducted by the Israeli Ministry of Tourism. Using econometric methods that allow inferences from the sample to a population that is not included in the sample, the following model was estimated. The model is based on two simultaneous decisions--the decision to visit Israel and the decision on how much money to spend on the visit. The estimates permit the computations to be made on the likelihood that a certain individual, from the general population, will choose to visit Israel; The main conclusion of this study is that the promotion of Israel in different market segments should emphasize different elements. For instance, tourists whose main interests are religious (pilgrimage), visit Israel in very high proportions. Therefore, it is important to find ways to increase their expenditures. Alternatively, among other groups of potential tourists, whose probability of visiting Israel is low, Israel's attractiveness as a possible destination should be advertised.
Comparing climate science misconceptions with worldview and cognitive reflection suggests poor understanding and motivated reasoning among undergraduates
Creators: name: da Rosa, Jennifer A.
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Sociology
subject: FOS: Sociology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: This survey study evaluated the relationship between cultural worldview and the occurrence of climate science misconceptions among 688 undergraduates at five colleges in the United States. The Worldview, Misconceptions, and Cognitive Reflection instrument was employed to measure respondents’ cultural worldview, climate science misconceptions using a three-tiered diagnostic test, and cognitive reflection ability. Binary logistic regression was used to test the extent to which hierarchy-egalitarianism, individualism-communitarianism, and cognitive reflection ability impacted the occurrence of ten common climate science misconceptions. Analysis revealed that the understanding of climate change science was low, while certainty of response was high. Misconceptions of climate-weather confusion and the magnitude of global warming were related to learners’ worldview. Motivated reasoning was suggested in hierarchist-leaning learners holding the misconception that recent climate changes are the result of natural cycles. Certain climate science misconceptions were related to learners’ cognitive reflection ability such as the misconception that sudden changes in weather are evidence of climate change, the misconception that global warming is caused by ozone layer depletion, and the misconception that global warming can be reduced by setting limitations on chemical waste released into rivers or by not building nuclear power plants. This investigation yielded an emergent finding and area of future research: respondents in this study differed significantly by gender in their worldview, cognitive reflection, and climate science misconceptions. Recommendations include using an intervention approach to boost numerical skills and quantitative self-efficacy in the climate science classroom, and addressing misconceptions with a refutation text.
Entanglement Entropy as a Portal to the Physics of Quantum Spin Liquids
Creators: name: Grover, Tarun
name: Zhang, Yi
name: Vishwanath, Ashvin
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum Spin Liquids (QSLs) are phases of interacting spins that do not order even at the absolute zero temperature, making it impossible to characterize them by a local order parameter. In this article, we review the unique view provided by the quantum entanglement on QSLs. We illustrate the crucial role of Topological Entanglement Entropy in diagnosing the non-local order in QSLs, using specific examples such as the Chiral Spin Liquid. We also demonstrate the detection of anyonic quasiparticles and their braiding statistics using quantum entanglement. In the context of gapless QSLs, we discuss the detection of emergent fermionic spinons in a bosonic wavefunction, by studying the size dependence of entanglement entropy.
description: Review article; 13 pages, 10 figures
GBM Volumetry using the 3D Slicer Medical Image Computing Platform
Creators: name: Egger, Jan
name: Kapur, Tina
name: Fedorov, Andriy
name: Pieper, Steve
name: Miller, James V.
name: Veeraraghavan, Harini
name: Freisleben, Bernd
name: Golby, Alexandra
name: Nimsky, Christopher
name: Kikinis, Ron
Publisher: name: arXiv
Year: 2013
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Volumetric change in glioblastoma multiforme (GBM) over time is a critical factor in treatment decisions. Typically, the tumor volume is computed on a slice-by-slice basis using MRI scans obtained at regular intervals. (3D)Slicer - a free platform for biomedical research - provides an alternative to this manual slice-by-slice segmentation process, which is significantly faster and requires less user interaction. In this study, 4 physicians segmented GBMs in 10 patients, once using the competitive region-growing based GrowCut segmentation module of Slicer, and once purely by drawing boundaries completely manually on a slice-by-slice basis. Furthermore, we provide a variability analysis for three physicians for 12 GBMs. The time required for GrowCut segmentation was on an average 61% of the time required for a pure manual segmentation. A comparison of Slicer-based segmentation with manual slice-by-slice segmentation resulted in a Dice Similarity Coefficient of 88.43 +/- 5.23% and a Hausdorff Distance of 2.32 +/- 5.23 mm.
description: 7 pages, 6 figures, 2 tables, 1 equation, 43 references
Land and self in a Mayan universe
Creators: name: Rusie, Robert Charles
Publisher: name: University of Nevada, Las Vegas
Year: 1996

description: This paper explores the linkages between Mayan religious beliefs as presented in, The Popol Vuh and The Book of Chilam Balam, myth, and modern ethnographic material for clues to Mayan economic behavior. It presents the argument that the "closed corporate system" and the reliance on the municipio as the focus of identity is a function of World-view, and that Mayans see land as a symbol of self and community. The ensuing economic behavior and the strong attachment to "milpa production" is more than an adaptive strategy to the vicissitudes of economic insecurity, but a route to maintaining balance and harmony in their cognitive universe.
THE LONG SHADOW: LITERARY AND CINEMATIC REPRESENTATION AND RE-IMAGINATION OF CHINESE FEMALE TRAUMAS IN THE SECOND SINO-JAPANESE WAR
Creators: name: Zhang, Shiyu
Publisher: name: Purdue University Graduate School
Year: 2023
Subjects: Comparative and transnational literature

description: This dissertation enriches the field of Comparative Literature by examining the trauma narratives of Chinese women in wartime through a cross-cultural and cross-medium lens. It focuses on their experiences as they are articulated in a variety of texts and visual media, in the process offering an exploration of the intersection between gender, trauma, and war. By incorporating theoretical frameworks from Western trauma studies into an analysis of Chinese and Asian contexts, the study further contributes to Comparative Literature by fostering an intercultural dialogue. This unique approach uncovers shared patterns of human suffering and resilience, providing new insights into the universality and particularity of trauma representation. The dissertation extends the boundaries of Comparative Literature by examining the influence of gender on the construction and reception of trauma narratives. It also gives a novel contribution by addressing broader social and political issues both in the context of China, Asia, and globally. The four chapters examine the portrayal of women’s experiences produced generations after the war, focusing on the following topics, respectively: the witness of sexual violence, the challenges of representing feminine pain, repetition of traumatic memory, and the complexity of individual and collective experiences in relation to wartime traumas. By analyzing mostly novels, as well as films and testimonies, the dissertation emphasizes the importance of considering both historical records and shared personal memories, as well as the role of artistic expression in fostering empathy and understanding. This research offers a valuable contribution by illuminating the enduring and complex impact of war on women’s lives. Furthermore, it provides a strong foundation for future studies, ultimately contributing to a more nuanced understanding of the representation of traumatic experiences of individuals and communities affected by trauma.
Secondary science teachers’ implementation of a curricular intervention when teaching with global climate models
Creators: name: Steward, Kimberly Carroll
name: Bhattacharya, Devarati
name: Chandler, Mark
name: Forbes, Cory T.
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: In the past decade, emphasis on promoting “climate literacy” in K-16 science classrooms has increased. Teachers play a critical role in cultivating these opportunities, especially in secondary science classrooms. However, most prior climate education research has focused on students and student learning; little is known about how teachers implement climate-focused curricular interventions. Here, we report findings from a concurrent mixed methods, multiple-case study of four secondary science teachers’ implementation of a new, NGSS-aligned, model-centric climate curriculum module grounded in the use of a data-driven, computer-based climate modeling tool—Easy Global Climate Model (EzGCM). We employ multiple data sources, including video-recorded classroom observations, interviews, and instructional artifacts, and both qualitative and quantitative analyses, to investigate how teachers implemented the curriculum. Findings show that, overall, teachers implemented the curriculum in ways that were less model-centric than designed, placing greater emphasis on EzGCM itself rather than using the model to investigate Earth’s changing climate. Additionally, we present detailed single-case studies of each participant teacher that highlight differences in teachers’ implementation of the curriculum module and their reasoning for making observed instructional decisions. This research sheds light on the design of secondary science learning environments by illustrating the varied ways teachers implement a climate-focused curriculum to support students’ developing climate literacy. This has important implications for the design of climate-focused curriculum and supports for teachers.
The F2 Cohomology of Sol^3-Manifolds
Creators: name: Hillman, Jonathan A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: We compute the rings $H^*(N;\mathbb{F}_2)$ for $N$ a closed $\mathbb{S}ol^3$-manifold and then determine the Borsuk-Ulam indices $BU(N,ϕ)$ with $ϕ\not=0$ in $H^1(N;\mathbb{F}_2)$.
A bridge across the gender gap: The role of men in feminist discourse
Creators: name: Renshaw, Gabrielle Kenton
Publisher: name: University of Nevada, Las Vegas
Year: 1996

description: The ongoing discourse about meanings and impacts of feminism is a dynamic process of ideas influencing ideas. The process directs the course of the development of feminist theory. Most of the discourse is directed at women by women, but many men have also contributed to the dialectic. This study is an examination of those contributions by men as well as an attempt to understand the impact they have on the women's movement.
Some properties of the nematic radial hedgehog in Landau-de Gennes' theory
Creators: name: Lamy, Xavier
Publisher: name: arXiv
Year: 2012
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: In the Landau-de Gennes theoretical framework of a $Q -tensor description of nematic liquid crystals, we consider a radial hedgehog defect with strong anchoring conditions in a ball $B \subset \mathbb{R}^3$ . We show that the scalar order parameter is monotonic, and we prove uniqueness of the minimizing hedgehog below the spinodal temperature $T^\ast$ .
description: 14 pages
Implementation of Machine Learning and Internal Temperature Sensors in Nail Penetration Testing of Lithium-ion Batteries
Creators: name: Jones, Casey M
Publisher: name: Purdue University Graduate School
Year: 2023
Subjects: Aerospace materials
Aerospace structures
Electrical energy storage
Energy generation, conversion and storage (excl. chemical and electrical)

description: This work focuses on the collection and analysis of Lithium-ion battery operational and temperature data during nail penetration testing through two different experimental approaches. Raman spectroscopy, machine learning, and internal temperature sensors are used to collect and analyze data to further investigate the effects on cell operation during and after nail penetrations, and the feasibility of using this data to predict future performance.
 The first section of this work analyzes the effects on continued operation of a small Lithium-ion prismatic cell after nail penetration. Raman spectroscopy is used to examine the effects on the anode and cathode materials of cells that are cycled for different amounts of time after a nail puncture. Incremental capacity analysis is then used to corroborate the findings from the Raman analysis. The study finds that the operational capacity and lifetime of cells is greatly reduced due to the accelerated degradation caused by loss of material, uneven current distribution, and exposure to atmosphere. This leads into the study of using the magnitude and corresponding voltage of incremental capacity peaks after nail puncture to forecast the operation of damaged cells. A Gaussian process regression is used to predict discharge capacity of different cells that experience the same type of nail puncture. The results from this study show that the method is capable of making accurate predictions of cell discharge capacity even with the higher rate of variance in operation after nail puncture, showing the method of prediction has the potential to be implemented in devices such as battery management systems.
 The second section of this work proposes a method of inserting temperature sensors into commercially-available cylindrical cells to directly obtain internal temperature readings. Characterization tests are used to determine the effect on the operability of the modified cells after the sensors are inserted, and lifetime cycle testing is implemented to determine the long-term effects on cell performance. The results show the sensor insertion causes a small reduction in operational performance, and lifetime cycle testing shows the cells can operate near their optimal output for approximately 100-150 cycles. Modified cells are then used to monitor internal temperatures during nail penetration tests and how the amount of aging affects the temperature response. The results show that more aging in a cell causes higher temperatures during nail puncture, as well as a larger difference between internal and external temperatures, due mostly to the larger contribution of Joule heating caused by increased internal resistance.
Investigation of Visual System Involvement in Spinocerebellar Ataxia Type 14
Creators: name: Ihl, Thomas
name: Kadas, Ella M.
name: Oberwahrenbrock, Timm
name: Endres, Matthias
name: Klockgether, Thomas
name: Schroeter, Jan
name: Brandt, Alexander U.
name: Paul, Friedemann
name: Minnerop, Martina
name: Doss, Sarah
name: Schmitz-Hübsch, Tanja
name: Zimmermann, Hanna G.
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2020
Subjects: subject: Spinocerebellar ataxias
subject: Protein kinase C gamma
subject: Optical coherence tomography
subject: Vision disorders
subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit::610 Medizin und Gesundheit

description: Spinocerebellar ataxia type 14 (SCA-PRKCG, formerly SCA14) is a rare, slowly progressive disorder caused by conventional mutations in protein kinase Cγ (PKCγ). The disease usually manifests with ataxia, but previous reports suggested PRKCG variants in retinal pathology. To systematically investigate for the first time visual function and retinal morphology in patients with SCA-PRKCG. Seventeen patients with PRKCG variants and 17 healthy controls were prospectively recruited, of which 12 genetically confirmed SCA-PRKCG patients and 14 matched controls were analyzed. We enquired a structured history for visual symptoms. Vision-related quality of life was obtained with the National Eye Institute Visual Function Questionnaire (NEI-VFQ) including the Neuro-Ophthalmic Supplement (NOS). Participants underwent testing of visual acuity, contrast sensitivity, visual fields, and retinal morphology with optical coherence tomography (OCT). Measurements of the SCA-PRKCG group were analyzed for their association with clinical parameters (ataxia rating and disease duration). SCA-PRKCG patients rate their vision-related quality of life in NEI-VFQ significantly worse than controls. Furthermore, binocular visual acuity and contrast sensitivity were worse in SCA-PRKCG patients compared with controls. Despite this, none of the OCT measurements differed between groups. NEI-VFQ and NOS composite scores were related to ataxia severity. Additionally, we describe one patient with a genetic variant of uncertain significance in the catalytic domain of PKCγ who, unlike all confirmed SCA-PRKCG, presented with a clinically silent epitheliopathy. SCA-PRKCG patients had reduced binocular vision and vision-related quality of life. Since no structural retinal damage was found, the pathomechanism of these findings remains unclear.
On the validity of the method of reduction of dimensionality: area of contact, average interfacial separation and contact stiffness
Creators: name: Lyashenko, I. A.
name: Pastewka, Lars
name: Persson, Bo N. J.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: It has recently been suggested that many contact mechanics problems between solids can be accurately studied by mapping the problem on an effective one dimensional (1D) elastic foundation model. Using this 1D mapping we calculate the contact area and the average interfacial separation between elastic solids with nominally flat but randomly rough surfaces. We show, by comparison to exact numerical results, that the 1D mapping method fails even qualitatively. We also calculate the normal interfacial stiffness $K$ and compare it with the result of an analytical study. We attribute the failure of the elastic foundation model to the neglect of the long-range elastic coupling between the asperity contact regions.
description: 5 pages, 4 figures, 29 references
Neurochemical Differences in Spinocerebellar Ataxia Type 14 and 1
Creators: name: Grosch, Anne Sophie
name: Rinnenthal, Jan Leo
name: Rönnefarth, Maria
name: Lux, Silke
name: Scheel, Michael
name: Endres, Matthias
name: Brandt, Alexander U.
name: Paul, Friedemann
name: Schmitz-Hübsch, Tanja
name: Minnerop, Martina
name: Doss, Sarah
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2020
Subjects: subject: Spinocerebellar ataxia
subject: 1H magnetic resonance spectroscopy
subject: SCA1
subject: SCA14
subject: Neurochemical profile
subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit::610 Medizin und Gesundheit

description: Autosomal-dominant spinocerebellar ataxias (SCA) are neurodegenerative diseases characterized by progressive ataxia. Here, we report on neurometabolic alterations in spinocerebellar ataxia type 1 (SCA1; SCA-ATXN1) and 14 (SCA14; SCA-PRKCG) assessed by non-invasive 1H magnetic resonance spectroscopy. Three Tesla 1H magnetic resonance spectroscopy was performed in 17 SCA14, 14 SCA1 patients, and in 31 healthy volunteers. We assessed metabolites in the cerebellar vermis, right cerebellar hemisphere, pons, prefrontal, and motor cortex. Additionally, clinical characteristics were obtained for each patient to correlate them with metabolites. In SCA14, metabolic changes were restricted to the cerebellar vermis compared with widespread neurochemical alterations in SCA1. In SCA14, total N-acetylaspartate (tNAA) was reduced in the vermis by 34%. In SCA1, tNAA was reduced in the vermis (24%), cerebellar hemisphere (26%), and pons (25%). SCA14 patients showed 24% lower glutamate+glutamine (Glx) and 46% lower γ-aminobutyric acid (GABA) in the vermis, while SCA1 patients showed no alterations in Glx and GABA. SCA1 revealed a decrease of aspartate (Asp) in the vermis (62%) and an elevation in the prefrontal cortex (130%) as well as an elevation of myo-inositol (Ins) in the cerebellar hemisphere (51%) and pons (46%). No changes of Asp and Ins were detected in SCA14. Beyond, glucose (Glc) was increased in the vermis of both SCA14 (155%) and SCA1 (247%). 1H magnetic resonance spectroscopy revealed differing neurochemical profiles in SCA1 and SCA14 and confirmed metabolic changes that may be indicative for neuronal loss and dysfunctional energy metabolism. Therefore, 1H magnetic resonance spectroscopy represents a helpful tool for in-vivo tracking of disease-specific pathophysiology.
Initial value problem for the linearized mean field Kramers equation with long-range interactions
Creators: name: Chavanis, Pierre-Henri
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We solve the initial value problem for the linearized mean field Kramers equation describing Brownian particles with long-range interactions in the $N\rightarrow +\infty$ limit. We show that the dielectric function can be expressed in terms of incomplete Gamma functions. The dielectric functions associated with the linearized Vlasov equation and with the linearized mean field Smoluchowski equation are recovered as special cases corresponding to the no friction limit or to the strong friction limit respectively. Although the stability of the Maxwell-Boltzmann distribution is independent on the friction parameter, the evolution of the perturbation depends on it in a non-trivial manner. For illustration, we apply our results to self-gravitating systems, plasmas, and to the attractive and repulsive BMF models.
description: arXiv admin note: text overlap with arXiv:1306.1203
Separation anxiety disorder in toddlers
Creators: name: Sims, Karen Elizabeth
Publisher: name: University of Nevada, Las Vegas
Year: 1996

description: The present study examined differences in families with a child with no symptoms of separation anxiety, subclinical separation anxiety (1-2 symptoms), and Separation Anxiety Disorder (3 or more symptoms). Specifically, an initial attempt was made to identify variables that may contribute to the development of Separation Anxiety Disorder (SAD) in toddlers. Parents of 60 toddlers were administered the SAD portion of the Anxiety Disorders Interview Schedule to determine if their child met the DSM-IV diagnostic criteria for SAD. Thirty percent of parents had children with no SAD, 43% had children with subclinical separation anxiety, and 27% of parents had children who met criteria for SAD. Parents completed the Family Environment Scale, the Conners' Parent Rating Scale, and the Social Support Questionnaire-Short Form. Teachers of each child also completed the Conners' Teacher Rating Scale. Results indicated that children with SAD displayed significantly more internalizing behaviors than children with subclinical SAD and children with subclinical SAD displayed significantly higher levels of internalizing behaviors than children without SAD. In general, families of a child with SAD reported higher levels of cohesion than families with a child without SAD, though differences were not significant. Additionally, families of children with SAD did not differ significantly from families of children without SAD with respect to levels of independence, conflict, and number of social supports. Results are discussed with respect to implications for etiology and treatment of SAD in toddlers.
A Review on the Scalar Field/ Bose-Einstein Condensate Dark Matter Model
Creators: name: Suárez, Abril
name: Robles, Victor
name: Matos, Tonatiuh
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We review the work done so far aimed at modeling in an alternative way the dark matter in the Universe: the scalar field/ Bose-Einstein condensate dark matter (SFDM/BEC) model. We discuss a number of important achievements and characteristics of the model. We also describe some of our most recent results and predictions of the model compared to those of the standard model of $Λ$CDM.
description: To be published in the Proceedings of the IV International Meeting on Gravitation and Cosmology, 32 pages, 7 figures
Coherent-Potential approximation for diffusion and wave propagation in topologically disordered systems
Creators: name: Köhler, S.
name: Ruocco, G.
name: Schirmacher, W.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: Using Gaussian integral transform techniques borrowed from functional-integral field theory and the replica trick we derive a version of the coherent-potential approximation (CPA) suited for describing ($i$) the diffusive (hopping) motion of classical particles in a random environment and ($ii$) the vibrational properties of materials with spatially fluctuating elastic coefficients in topologically disordered materials. The effective medium in the present version of the CPA is not a lattice but a homogeneous and isotropic medium, representing an amorphous material on a mesoscopic scale. The transition from a frequency-independent to a frequency-dependent diffusivity (conductivity) is shown to correspond to the boson peak in the vibrational model. The anomalous regimes above the crossover are governed by a complex, frequency-dependent self energy. The boson peak is shown to be stronger for non-Gaussian disorder than for Gaussian disorder. We demonstrate that the low-frequency non-analyticity of the off-lattice version of the CPA leads to the correct long-time tails of the velocity autocorrelation function in the hopping problem and to low-frequency Rayleigh scattering in the wave problem. Furthermore we show that the present version of the CPA is capable to treat the percolative aspects of hopping transport adequately.
A Dynamical Signature of Multiple Stellar Populations in 47 Tucanae
Creators: name: Richer, Harvey B.
name: Heyl, Jeremy
name: Anderson, Jay
name: Kalirai, Jason S.
name: Shara, Michael M.
name: Dotter, Aaron
name: Fahlman, Gregory G.
name: Rich, R. Michael
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Based on the width of its main sequence, and an actual observed split when viewed through particular filters, it is widely accepted that 47 Tucanae contains multiple stellar populations. In this contribution, we divide the main-sequence of 47 Tuc into four color groups, which presumably represent stars of various chemical compositions. The kinematic properties of each of these groups is explored via proper-motions, and a strong signal emerges of differing proper-motion anisotropies with differing main-sequence color; the bluest main-sequence stars exhibit the largest proper-motion anisotropy which becomes undetectable for the reddest stars. In addition, the bluest stars are also the most centrally concentrated. A simiilar analysis for SMC stars, which are located in the background of 47 Tuc on our frames, yields none of the anisotropy exhibited by the 47 Tuc stars. We discuss implications of these results for possible formation scenarios of the various populations.
description: Accepted for publication in the Astrophysical Journal Letters, 5 pages, 4 figures
Characterization of microorganisms from the deep subsurface that produce antimicrobial substances
Creators: name: Staudaher, Michael Victor
Publisher: name: University of Nevada, Las Vegas
Year: 1996

description: A group of 95 actinomycete-like bacterial isolates were obtained from the deep subsurface at the Nevada Test Site. These isolates were screened for the ability to inhibit the growth of selected challenge organisms. A subset of 12 isolates were found to produce antibacterial substances during their growth and were termed bioactive. It was hypothesized that because the isolation source was solid rock, some of the bioactive isolates would require the presence of a surface in order to make antibiotic substances, and that some of these isolates would fail to produce antibiotics when grown in broth culture alone. It was further hypothesized that the addition of an exogenous surface to broth cultures of liquid medium-deficient antibiotic producers would restore the lost antibiotic production in some isolates; Nine of the 12 bioactive isolates failed to produce antibiotics when grown in liquid medium and 6 of those 9 liquid medium-deficient isolates could be induced to manufacture antibiotics with the addition of an exogenous surface to the broth cultures; Characterization and profiling studies performed on the bioactive isolates revealed that each was a unique isolate and that they were all capable of cross inhibiting each other to varying degRees The bioactive isolates also appeared to be different from similar non-bioactive isolates obtained from the same sample sites; The deep subsurface at the Nevada Test Site has provided a rich and novel source of bacterial isolates, some of which possess unusual properties. The ability of the bioactive isolates to produce antibiotic substances may be a means by which they increase their evolutionary fitness under conditions of limited nutrient availability, however the true purpose of the observed bioactivity is not known.
Clusters of galaxies and variation of the fine structure constant
Creators: name: Galli, Silvia
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose a new method to probe for variations in the fine structure constant alpha using clusters of galaxies, opening up a window on a new redshift range for such constraints. Hot clusters shine in the X-ray mainly due to bremsstrahlung, while they leave an imprint on the CMB frequency spectrum through the Sunyaev-Zel'dovich effect. These two physical processes can be characterized by the integrated Comptonization parameter Y_SZ DA^2 and its X-ray counterpart, the Y_X parameter. The ratio of these two quantities is expected to be constant from numerical simulations and current observations. We show that this fact can be exploited to constrain alpha, as the ratio of the two parameters depends on the fine structure constant as alpha^{3.5}. We determine current constraints from a combination of Planck SZ and XMM-Newton data, testing different models of variation of alpha. When fitting for a constant value of alpha, we find that current constraints are at the 1% level, comparable with current CMB constraints. We discuss strategies for further improving these constraints by almost an order of magnitude.
description: 7 pages, 3 figures
The $β$ angle as the CP violating phase in the CKM matrix
Creators: name: Li, Guan-Nan
name: Lin, Hsiu-Hsien
name: Xu, Dong
name: He, Xiao-Gang
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The CKM matrix describing quark mixing with three generations can be parameterized by three Euler mixing angles and one CP violating phase. In most of the parameterizations, the CP violating phase chosen is not a directly measurable quantity and is parametrization dependent. In this work, we propose to use the most accurately measured CP violating angle $β$ in the unitarity triangleas the phase in the CKM matrix, and construct an explicit $β$ parameterization. We also derive an approximate Wolfenstein-like expression for this parameterization.
description: RevTex 7 pages with one figure. Version to be published in Phys. Lett. B. arXiv admin note: substantial text overlap with arXiv:1204.1230
Data integration with data warehousing and data mining in database environments
Creators: name: White, Gary Leon
Publisher: name: University of Nevada, Las Vegas
Year: 1996

description: The topics of data warehousing and data mining encompasses architectures, algorithms and tools for bringing together selected data from multiple databases or other information sources into a single repository called a data warehouse which is suitable for direct querying or analysis. The querying and analysis can be implemented with any of the data mining tools being developed. Data mining is the non-trivial extraction of implicit, previously unknown and potentially useful information from information sources; In this thesis, we will define a specific data warehousing architecture, its components and give an explanation of the responsibilities of the components in the data warehousing system are defined. The new data warehousing system and it components will also provide suitable topics for exploratory research into their implementation. We will also explain how data mining techniques will be used to extract data from multiple information sources to place data into the central data warehouse of the system and how data mining tools will be used to query and analysis the data warehouse system.
Collapsing cores in the Hierarchical Gravitational Collapse scenario.
Creators: name: Romero, Raul Naranjo
Publisher: name: Zenodo
Year: 2017
Subjects: GRAVITATION
COLLAPSE
UNSTABLE

description: The Hierarchical Gravitational Fragmentation scenario is investigated through numerical simulations of the prestellar
 stages of the collapse of a marginally gravitationally unstable isothermal sphere immersed in a strongly gravitationally
 unstable, uniform background medium. The core developes a Bonnor–Ebert (BE)-like density profile, while at the time of
 singularity (the protostar) formation the envelope approaches a singular-isothermal sphere (SIS)-like r−2 density profile.
 However, these structures are never hydrostatic. In this case, the central flat region is characterized by an infall speed
 linear with radius, while the envelope is characterized by a uniform infall speed. This implies that the hydrostatic SIS
 initial condition leading to Shu's classical inside-out solution is not expected to occur, and therefore neither should the
 inside-out solution. Instead, the solution collapses from the outside-in, naturally explaining the observation of extended
 infall velocities. The core, defined by the radius at which it merges with the background, has time-variable mass and
 radius, and evolves along the locus of the ensemble of observed prestellar cores in a plot of M /M versus M ,
 core BE core, spanning the range from the “stable” to the “unstable” regimes, even though it is collapsing at all times. We conclude that the presence of an unstable background allows a core to evolve dynamically from the time when it first appears, even
 when it resembles a pressure-confined, stable BE-sphere. The core can be thought of as a ram-pressure confined BE-
 sphere, with an increasing mass due to the accretion from the unstable background.
description: Fast talk and poster presentation
A correlation between star formation rate and average black hole accretion in star forming galaxies
Creators: name: Chen, Chien-Ting J.
name: Hickox, Ryan C.
name: Alberts, Stacey
name: Brodwin, Mark
name: Jones, Christine
name: Murray, Stephen S.
name: Alexander, David M.
name: Assef, Roberto J.
name: Brown, Michael J.
name: Dey, Arjun
name: Forman, William R.
name: Gorjian, Varoujan
name: Goulding, Andrew D.
name: Floc'h, Emeric Le
name: Jannuzi, Buell T.
name: Mullaney, James R.
name: Pope, Alexandra
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present a measurement of the average supermassive black hole accretion rate (BHAR) as a function of star formation rate (SFR) for galaxies in the redshift range 0.25
description: 9 pages, 4 figures, accepted for publication in ApJ
title: Ein Nürnberger in Kuppenheim. Zur Rezeption der Brunnenmaske vom Unschlitthaus
Creators: name: Kammel, Frank Matthias
Publisher: name: University Library Heidelberg
Year: 2015

description: KulturGut : aus der Forschung des Germanischen Nationalmuseums, Nr. 3 (2004): KulturGut : aus der Forschung des Germanischen Nationalmuseums, Beginn und Erscheinungsfrequenz: Jahr: 2004
Dynamical Local Chirality and Chiral Symmetry Breaking
Creators: name: Alexandru, Andrei
name: Horváth, Ivan
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We present some of the reasoning and results substantiating the notion that spontaneous chiral symmetry breaking (SChSB) in QCD is encoded in local chiral properties of Dirac eigenmodes. Such association is possible when viewing chirality as a dynamical effect, measured with respect to the benchmark of statistically independent left-right components. Following this rationale leads to describing local chiral behavior by a taylor-made correlation, namely the recently introduced correlation coefficient of polarization C_A. In this language, correlated modes (C_A>0) show dynamical preference for local chirality while anti-correlated modes (C_A<0) favor anti-chirality. Our conclusion is that SChSB in QCD can be viewed as dominance of low-energy correlation (chirality) over anti-correlation (anti-chirality) of Dirac sea. The spectral range of local chirality, chiral polarization scale Lambda_ch, is a dynamically generated scale in the theory associated with SChSB. One implication of these findings is briefly discussed.
description: 8 pages, 4 figures. Talk given at "Quark Confinement and the Hadron Spectrum X", Munich, Germany, Oct. 8-12, 2012
title: „...ein kleiner See, goldsonnig übergossen...“. Andenken an den Wasserhof des Germanischen Nationalmuseums
Creators: name: Peters, Ursula
Publisher: name: University Library Heidelberg
Year: 2015

description: KulturGut : aus der Forschung des Germanischen Nationalmuseums, Nr. 6 (2005): KulturGut : aus der Forschung des Germanischen Nationalmuseums, Beginn und Erscheinungsfrequenz: Jahr: 2004
title: Acht wachsbleiche Köpfe
Creators: name: Prügel, Roland
Publisher: name: University Library Heidelberg
Year: 2015

description: KulturGut : aus der Forschung des Germanischen Nationalmuseums, Nr. 10 (2006): KulturGut : aus der Forschung des Germanischen Nationalmuseums, Beginn und Erscheinungsfrequenz: Jahr: 2004
Repräsentationsebenen von Eigenvektoren als Teil von Studierendenbearbeitungen in der linearen Algebra
Creators: name: Fleischmann, Yael
name: Lyse-Olsen, Emilie
Publisher: name: Gesellschaft für Didaktik der Mathematik
Year: 2023
Subjects: subject: Lineare Algebra
subject: Eigenvektoren
subject: Eigentheorie
subject: Repräsentationsebenen
subject: Deskriptionen
subject: Hochschule
subject: Algebra
subject: Geometrie
subject: Darstellen
subject: 510

description: Die lineare Algebra ist ein zentraler Teil des universitären Mathematikstudiums, der in den letzten Jahrzehnten zunehmend in die Aufmerksamkeit der didaktischen Forschung gerückt ist (Wawro et al. 2019). Die Eigentheorie, und damit das Studium von Eigenvektoren, Eigenwerten und Eigenräumen, stellt einen zentralen Lerninhalt in der linearen Algebra dar, ist jedoch konzeptionell komplex und konfrontiert Studierende mit mehreren neuen mathematischen Definitionen und Konzepten. Eigenvektoren haben dabei sowohl algebraische als auch geometrische Interpretationen, die insbesondere in niedrigen Dimensionen gut veranschaulicht werden können, sodass das Arbeiten auf unterschiedlichen Beschreibungsebenen und mit verschiedenen Repräsentationen integraler Teil des Wissenserwerbs ist (Hillel, 2000, S. 199; Wawro et al., 2019, S. 1111). Laut Wawro et al. (2018, S. 275) ist die Forschung zum Lehren und Lernen der Eigentheorie „ein relativ junges Unterfangen und noch lange nicht erschöpft“. Nach Hillel (2000) wendet ein typischer Anfänger*innenkurs in der linearen Algebra mehrere Beschreibungsmodi auf Objekte und Operationen sowie die Übertragungen zwischen ihnen an. Dazu gehören der abstrakte, der algebraische und der geometrische Modus, die jeweils ihre eigenen charakteristischen Sprachen und Konzepte haben, und mit unterschiedlicher Terminologie, Notation und Repräsentationen verbunden sind. Für den abstrakten Beschreibungsmodus ist die Sprache formal und verwendet Konzepte aus dem verallgemeinerten n-dimensionalen Raum, wie Vektorraum, Dimension und Kern. Der algebraische Modus hingegen ist spezifischer und arbeitet mit Konzepten wie Matrizen und Rang, sowie der Lösung linearer Systeme. Der geometrische Beschreibungsmodus schließlich bezieht sich typischerweise auf 2- und 3-dimensionale Räume und arbeitet mit Vektoren, deren linearen Kombinationen und mit Transformationen, die die Vektoren skalieren oder unverändert lassen. Der Wechsel zwischen verschiedenen Modi ist eine der großen Herausforderungen, mit denen die Schüler*innen beim Erlernen der linearen Algebra konfrontiert sind (z. B. Sierpinska, 2000), und wird daher in der hier vorgestellten Studie adressiert.