cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Political Powers of Remittances: The Effect of Inward Remittances on Electoral Participation and Political Ideology within Latin America and the Caribbean
Creators: name: Forte, Evely
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: This project seeks to determine political effects of international migration by analyzing the impact that the receipt of remittances has on individual electoral participation and political ideology within developing democracies. To study these relationships, I analyze survey data from a merged dataset of AmericaBarometers surveys that spans waves of responses from 2004/05 to 2018/19. The results of my study show that the receipt of remittances does predict a decrease in individual electoral participation rates; however, I also find that remittance recipients tend to be less right-leaning in terms of political ideology compared to those who had not received remittances. The results of this study have implications for how political behavior and ideology of individuals within developing democracies may change as migration and remittance inflows continue to increase in the future.
Accurate asteroseismic envelope rotation rates for evolved red giants
Creators: name: Ahlborn, Felix
name: Hekker, Saskia
name: Basu, Sarbani
name: Bellinger, Earl P.
Publisher: name: Zenodo
Year: 2024

description: All stars rotate, and the rotation rate becomes more internally concentrated as a star evolves. However, there is evidence that current models of the evolution of stellar rotation are not able to reproduce the observed internal rotation rates of red-giant stars. Here, we focus on examining how best to determine the internal rotation profile in red giants in order to provide good constraints on the angular momentum transport mechanisms at play. We have developed a new asteroseismic inversion method to measure accurate core and envelope rotation rates. We show that reproducing the mixed-mode character of the observed oscillation modes is crucial to estimate accurate rotation rates using the rotational inversion method. Finally, we construct an ensemble of stellar reference models reproducing the mixed-mode character of the observations to obtain a statistically robust estimate of the internal rotation rates and the systematic errors. This will be an important probe to follow the evolution of angular momentum along the red-giant branch.
(502495) ____ ? Griffith
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Quantum simulations of dissipative dynamics: time-dependence instead of size
Creators: name: Dive, Benjamin
name: Mintert, Florian
name: Burgarth, Daniel
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The simulation of quantum systems has been a key aim of quantum technologies for decades, and the generalisation to open systems is necessary to include physically realistic systems. We introduce an approach for quantum simulations of open system dynamics in terms of an environment of minimal size and a time-dependent Hamiltonian. This enables the implementation of a continuous-time simulation with a finite environment, whereas state of the art methods require an infinite environment or only match the simulation at discrete times. We find necessary and sufficient conditions for this Hamiltonian to be well behaved and, when these are not met, we show that there exists an approximate Hamiltonian that is, and look into its applications.
description: 9 pages, 4 figures
Technical Letter: Astrogeology 28, Task Analysis Of Shirtsleeve Geologic Methods For The Apollo Applications Program Test AAP-8
Creators: name: Edmonds, K. V.
Publisher: name: U.S. Geological Survey
Year: 1967
Subjects: Apollo, Astronaut Training

description: A shirtsleeve test of geologic reconnaissance methods applicable to lunar surface exploration was conducted using astronauts as subjects. The task analysis objective was to determine the efficiency of a 2-man traverse. A table summarizes the full-day traverse, and a process chart (time line) is included in the report. It was concluded that two astronauts can complement each other's work with little or no time lost by one waiting for the other.
Tracking or Trending: The Overrepresentation of Students of Color in Career and Technical Education (CTE) Programs in North Carolina
Creators: name: Boutte, Marilyn
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: This thesis seeks to answer the question: Are students of color more likely to be enrolled in Career and Technical Education (CTE) programs in North Carolina high schools than their White peers? Using a descriptive approach to determine the overrepresentation of students of color in CTE courses, the researcher analyzed publicly available data from the Perkins IV and Perkins V databases. Historically, educational institutions relegated students of color to CTE tracks, and more recently, pushed students of color out of courses that would prepare them for high-paying jobs. However, CTE has positive impacts such as higher graduation rates and higher rates of attending college. This descriptive study provides policymakers with the foundation to conduct further research with causal findings, it also examines the North Carolina CTE landscape to determine if there is room for improvement in racial differences in course enrollment. Results showed that from 2015-2016 through the 2018-2019 school year, Black and Hispanic students were overrepresented in CTE courses, while their White and Asian peers were underrepresented. While this would normally be cause for concern, Black and Hispanic students were overrepresented in career pathways that lead to high-paying jobs, like STEM (science, technology, engineering, and math) or Business Management, suggesting that students in North Carolina may not be pushed into CTE courses, but rather may be selecting courses that are interesting to them. Future research should take an intersectional approach and focus on county or district-level data to get a clearer idea of any heterogeneous effects. To improve CTE in North Carolina, policymakers should focus on increasing the representation of Asian students and implement non-financial supports like mentors to help students of all races succeed in their CTE programs.
(502502) William Frederick Holroyde
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
The build-up of the cD halo of M87 - evidence for accretion in the last Gyr
Creators: name: Longobardi, A.
name: Arnaboldi, M.
name: Gerhard, O.
name: Mihos, J. C.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present kinematic and photometric evidence for an accretion event in the halo of the cD galaxy M87 in the last Gyr. Using velocities for ~300 planetary nebulas (PNs) in the M87 halo, we identify a chevron-like substructure in the PN phase-space. We implement a probabilistic Gaussian mixture model to identify the PNs that belong to the chevron. From analysis of deep V-band images of M87, we find that the region with the highest density of PNs associated to the chevron, is a crown-shaped substructure in the optical light. We assign a total of N_(PN,sub)=54 to the substructure, which extends over ~50 kpc along the major axis where we also observe radial variations of the ellipticity profile and a colour gradient. The substructure has highest surface brightness in a 20kpc x 60kpc region around 70 kpc in radius. In this region, it causes an increase in surface brightness by >60%. The accretion event is consistent with a progenitor galaxy with a V-band luminosity of L=2.8\pm1.0 x 10^9 L_(sun,V), a colour of (B-V)=0.76\pm0.05, and a stellar mass of M=6.4\pm2.3 x 10^9 M_sun. The accretion of this progenitor galaxy has caused an important modification of the outer halo of M87 in the last Gyr. By itself it is strong evidence that the galaxy's cD halo is growing through the accretion of smaller galaxies as predicted by hierarchical galaxy evolution models.
description: 4 pages, 2 figures, in press, A&A
Specsync: Enhancing Privacy-Preserving Hand Tracking: An Indirect Sensing Approach Exploration for Wearables
Creators: name: Mao, Hongyu
Publisher: name: Carnegie Mellon University
Year: 2023
Subjects: Engineering Systems Design

description: In recent years, the focus on wrist-worn devices for hand gesture and hand pose prediction and estimation has increased in the realm of research. Despite their remarkable accuracy, these devices have raised various concerns, particularly regarding user privacy. My thesis aims to address these concerns by exploring a system that utilizes a privacy-preserving approach to achieve hand tracking. To mitigate privacy risks, the proposed system employs Electrical Impedance Tomography (EIT) as its primary sensing technique. EIT is a non-vision-based sensing method that acquires valuable data while ensuring data minimization, thus avoiding unnecessary information capture. This approach allows the device to function independently as a reliable hand pose estimation device. With the incorporation of EIT, this research aims to enhance both the privacy and usability of wrist-worn devices for hand tracking applications. The proposed system holds large potential for addressing privacy concerns related to existing methods by employing the principles of data minimization through sensing technologies. The results contribute to the development of more secure and privacy preserving technologies for hand pose estimation.
(502503) Hannah Pontifex
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
(502488) George William Nevill
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
The two-loop helicity amplitudes for $q \bar q' \to V_1 V_2 \to 4~\mathrm{leptons}$
Creators: name: Gehrmann, Thomas
name: von Manteuffel, Andreas
name: Tancredi, Lorenzo
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We compute the two-loop massless QCD corrections to the helicity amplitudes for the production of two massive vector bosons in quark-antiquark annihilation, allowing for an arbitrary virtuality of the vector bosons: $q \bar q' \to V_1V_2$. Combining with the leptonic decay currents, we obtain the full two-loop QCD description of the corresponding electroweak four-lepton production processes. The calculation is performed by projecting the two-loop diagrams onto an appropriate basis of Lorentz structures. All two-loop Feynman integrals are reduced to a basis of master integrals, which are then computed using the differential equations method and optimised for numerical performance. We provide a public C++ code which allows for fast and precise numerical evaluations of the amplitudes.
description: 34 pages, 3 figures, results available in computer readable format on HepForge at http://vvamp.hepforge.org ; fixed typos in electroweak coupling definitions, version accepted for publication in JHEP
The Association of Pregnancy and Lactation on Maternal Weight Change in Cebu, Philippines
Creators: name: Garba, Saratu
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: Several studies have looked at the relationship between maternal weight and pregnancy; however, the additive effects of breastfeeding on maternal weight remains uncertain. This longitudinal study utilizes information from the Cebu Longitudinal Health and Nutrition Survey (CLHNS) in order to determine the association between maternal weight gain with pregnancy and lactation. Filipino women in metropolitan Cebu, from rural and urban settings were followed from ages 18 to 35, respectively, and a detailed reproductive history was obtained. Women who had 4 or more pregnancies were found to gain significantly more weight than those without pregnancies; furthermore, when cumulative months spent breastfeeding was considered, women were found to gain less weight than those who did not breastfeed. Weight gain in relationship to pregnancies provides insight on the potential contributing factors towards the rising rates of obesity amongst women in the Philippines. This affords public health professionals the opportunity to develop targeted interventions aimed at reducing the risk of maternal overweight/obesity, which in returns reduces the likelihood of complications on the infant.
MELANGE-3: A mini-Pleiades harboring two transiting planets in the Kepler field
Creators: name: Barber, Madyson
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: We describe a young association (MELANGE-3) in the Kepler field harboring two transiting planetary systems (KOI-3876 and Kepler-970). We initially identified MELANGE-3 by searching for kinematic and spatial overdensities around stars with high levels of lithium (in this case, KOI-3876). To better determine the age and membership of MELANGE-3, we combine archival light curves, velocities, and astrometry, with new high-resolution spectra of stars nearest KOI-3876 spatially and kinematically. The resulting rotation sequence, lithium levels, and color-magnitude diagram of members are all consistent with the Pleiades, confirming the population is co-eval and providing an age estimate of 105±10 Myr. MELANGE-3 may be one edge of the recently identified Theia 316 stream, also estimated to be  ~108 Myr. For the two exoplanet systems, we revise the stellar and planetary parameters, taking into account the newly-determined age. We fit the 4.5 yr Kepler light curves and find that KOI-3876.01 is a 2.0 ±0.1R⊕ planet that orbits its star every 19.58 days, while Kepler-970 is a 2.8±0.2R⊕ planet that orbits its star every 16.73 days. KOI-3876 was previously flagged as an eclipsing binary, but we rule this out using radial velocities from APOGEE and statistically validate the signal as planetary in origin. Given its overlap with the Kepler field, MELANGE-3 is valuable for studies of spot evolution on timescales of years, and both planets contribute to the growing work on transiting planets in young stellar associations.
First results with twisted mass fermions towards the computation of parton distribution functions on the lattice
Creators: name: Alexandrou, Constantia
name: Cichy, Krzysztof
name: Drach, Vincent
name: Garcia-Ramos, Elena
name: Hadjiyiannakou, Kyriakos
name: Jansen, Karl
name: Steffens, Fernanda
name: Wiese, Christian
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We report on our exploratory study for the evaluation of the parton distribution functions from lattice QCD, based on a new method proposed in Ref.~arXiv:1305.1539. Using the example of the nucleon, we compare two different methods to compute the matrix elements needed, and investigate the application of gauge link smearing. We also present first results from a large production ensemble and discuss the future challenges related to this method.
description: 7 pages, 4 figures, talk given at the 32nd International Symposium on Lattice Field Theory (Lattice 2014), June 23-28 2014, New York, USA
(502489) Harriet Louisa Nevill
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
(502493) [Mrs] Acheson Gray
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
A Rare Case of Eosinophilic Ureteritis in a Woman with Reccuring Bilateral Ureteric Strictures causing Hydroureteronephrosis : Supplemental CT Scan Data
Creators: name: Matondang, Sahat BRE
Publisher: name: Zenodo
Year: 2023
Subjects: CT Scan
DICOM file

description: DICOM File for CT scan of the patient in the above mentioned case report.
(502494) Hannah Nevill
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Measurement of the Formation Rate of Muonic Hydrogen Molecules
Creators: name: MuCap Collaboration
name: Andreev, V. A.
name: Banks, T. I.
name: Carey, R. M.
name: Case, T. A.
name: Clayton, S. M.
name: Crowe, K. M.
name: Deutsch, J.
name: Egger, J.
name: Freedman, S. J.
name: Ganzha, V. A.
name: Gorringe, T.
name: Gray, F. E.
name: Hertzog, D. W.
name: Hildebrandt, M.
name: Kammel, P.
name: Kiburg, B.
name: Knaack, S.
name: Kravtsov, P. A.
name: Krivshich, A. G.
name: Lauss, B.
name: Lynch, K. R.
name: Maev, E. M.
name: Maev, O. E.
name: Mulhauser, F.
name: Petitjean, C.
name: Petrov, G. E.
name: Prieels, R.
name: Schapkin, G. N.
name: Semenchuk, G. G.
name: Soroka, M. A.
name: Tishchenko, V.
name: Vasilyev, A. A.
name: Vorobyov, A. A.
name: Vznuzdaev, M. E.
name: Winter, P.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: High Energy Physics - Experiment (hep-ex)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Background: The rate λ_ppμ characterizes the formation of ppμ molecules in collisions of muonic pμ atoms with hydrogen. In measurements of the basic weak muon capture reaction on the proton to determine the pseudoscalar coupling g_P, capture occurs from both atomic and molecular states. Thus knowledge of λ_ppμ is required for a correct interpretation of these experiments. Purpose: Recently the MuCap experiment has measured the capture rate Λ_S from the singlet pμ atom, employing a low density active target to suppress ppμ formation (PRL 110, 12504 (2013)). Nevertheless, given the unprecedented precision of this experiment, the existing experimental knowledge in λ_ppμ had to be improved. Method: The MuCap experiment derived the weak capture rate from the muon disappearance rate in ultra-pure hydrogen. By doping the hydrogen with 20 ppm of argon, a competing process to ppμ formation was introduced, which allowed the extraction of λ_ppμ from the observed time distribution of decay electrons. Results: The ppμ formation rate was measured as λ_ppμ= (2.01 +- 0.06(stat) +- 0.03(sys)) 10^6 s^-1. This result updates the λ_ppμ value used in the above mentioned MuCap publication. Conclusions: The 2.5x higher precision compared to earlier experiments and the fact that the measurement was performed at nearly identical conditions to the main data taking, reduces the uncertainty induced by λ_ppμ to a minor contribution to the overall uncertainty of Λ_S and g_P, as determined in MuCap. Our final value for λ_ppμ shifts Λ_S and g_P by less than one tenth of their respective uncertainties compared to our results published earlier.
description: 12 pages, 6 figures, to be submitted to Phys. Rev. C
Analysis and Design of Composite Columns
Creators: name: Zarringol, Mohammadreza
Publisher: name: La Trobe
Year: 2022
Subjects: subject: 91202 Composite and Hybrid Materials
subject: FOS: Materials engineering
subject: 90506 Structural Engineering
subject: FOS: Civil engineering
subject: Applied Computer Science

description: Submitted in total fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Computing, Engineering and Mathematical Sciences. La Trobe University, Victoria.
(502485) Harriet Catherina Bower
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
The Historical Legacy of Education Policy: A Case Study of the Modern-day Segregation in Charlotte-Mecklenburg Schools
Creators: name: Msambichaka, Jessica
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: This thesis examines the association between resegregation and the post-secondary enrollment rates of Black students. A case study analysis was employed on Charlotte- Mecklenburg Schools as it was once the face of successful school integration efforts. Specifically, Phillip O. Berry High School, a magnet school, and West Charlotte High School, a public school, were used as case study instances. Quantitative and qualitative data, in the form of interviews with previous students, were used to explore the research question. In this thesis, it is hypothesized that school quality, not proximity to whiteness, improves Black student post- secondary enrollment. Overall, respondents from both schools believed their quality of education to be appropriate, based on the resources available to them. Students repeatedly stated that their high school experience was shaped by their teachers, college advisors, and community. However, with segregated schooling in CMS, there is still a lack of resources available at West Charlotte and Phillip O. Berry which in turn influences the post-secondary enrollment rates of Black students. I recommend that Charlotte-Mecklenburg School district implement the following policies: limit the creation of charter schools, reallocate school funding to low-income and minority-serving schools, and adopt inclusionary zoning policies.
Concurrent multiple modalities: a practical and theoretical exploration of polytonal principles through improvisation and composition
Creators: name: Lewis, Mark
Publisher: name: Macquarie University
Year: 2023
Subjects: Other education not elsewhere classified

description: This thesis, which is supported by a creative folio of performances and compositions, reexamines and re-evaluates polytonal principles within a newly framed compositional and improvisational approach that emphasises modal structures and Jazz practice. Though polytonal practice was explored at some length within the Western Art Music tradition during the mid-twentieth century, few of these ideas were adopted or practiced by jazz performers. Consequently, this thesis breaks new ground by presenting a formal compositional approach for the expression of polytonal principles particularly as they impact on modal jazz practices. These principles inspire the exploration of various polytonal scenarios and provide a system for the identification of distinctions between concurrently unfolding tonal centres at a localised level. They also explore the more generalised effect of conglomerate sonority created by the coalescent synchronicity of tonal centres. Ultimately, different combinations of tonal centres are achieved through a range of scenarios leading to a variety of possible polytonal effects. The selected polytonal scenarios show some of the ways that modal syntax might be used to create or interpret changing relationships between concurrent tonal centres and conglomerate sonorities. Hence, this thesis presents a compositional approach that is based on a theory for concurrent modulation that is designed to syntactically map specific conglomerate and concurrent tonal centre relationships. A further extension of this syntactic theory into the creative practice outcome focuses on the way that performers interpret, extend or expand upon polytonal parameters in the improvisation process over a number of different musical forms and instrument combinations.
Fresh Evidence: Reevaluating Alexander’s Battle at the Granicus
Creators: name: Register, Phillip
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: In May 334 BCE, at a river valley in northwestern Anatolia called the Granicus, Alexander the Great defeated a Persian army for the first time. For more than two thousand years afterwards, the details of how, when, and why that battle unfolded have remained heavily debated by ancient and modern scholars alike, with profound consequences for how we understand Alexander and his Asiatic campaign. Utilizing fresh evidence and clarifying through the 3D recreation, we may attempt to construct a new outlook. A few consequences are immediately evident. The battle at the Granicus was in fact far less complicated and far more logical than both ancient historians and modern scholars often believe, both in regards to the choice of the valley itself, the choice of the Persian defense, and the exact events of the battle.
(502483) Henry Cranmer Nevil
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Debates in Standardized Testing and its Effects on Diversity in Medicine: Understanding the Experience of Premedical Students Through Bourdieu’s Forms of Capital
Creators: name: Fletcher, Christina Ruth
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: Debates about gatekeeping for medical training have expanded in recent years around whether measures like the medical college admission test (MCAT) are keeping out those who lack the aptitude for academic success, or are discriminatory measures hindering people from certain demographics from becoming doctors. The history of the MCAT and debates around standardized testing show repeatedly that students of racialized communities, minority genders, and economically disadvantaged communities persistently score lower on the MCAT in its various versions.  This study examines the ways students’ access to preparatory resources for the MCAT affects their experiences and scores on the exam and acceptance to medical school. 
Students whose parents are doctors, or whose parents are wealthy, are more likely to have access to connections, mentorships, and academic resources, like tutoring, that cost thousands of dollars. This thesis seeks to understand how students from different backgrounds prepare themselves for the medical school application process. Methodologically, I interviewed three medical students and one premedical student in order to understand their personal narratives about their decision to pursue medicine, their process of preparing for the MCAT, their experiences taking the test, and their admission process to medical school.  Additionally, I interviewed one pre-medical advisor to understand their views and reflections on different preparation strategies among students who have familial and social ties with physicians and those who approach the process without close networks and the advantages these can provide. The literature and the interviews were analyzed using Pierre Bourdieu’s concepts about capital and gave greater meaning to the necessity of understanding barriers to Medical Education.
Population biology of the Common Bluetail damselfly in Cyprus
Creators: name: Willink, Beatriz
name: Blow, Rachel
name: Sparrow, David J.
name: Sparrow, Rosalyn
name: Svensson, Erik I.
Publisher: name: figshare
Year: 2020
Subjects: subject: 60808 Invertebrate Biology
subject: FOS: Biological sciences

description: Data on colour morph frequencies, mating rates, body size, and flight season of the Common Bluetail damselfly in Cyprus. The R script and environment to reproduce all analysis and figures are also included.
(502484) Christopher Nevill
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
(502486) Charles Nevill
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Limit cycle phase in driven-dissipative spin systems
Creators: name: Chan, Ching-Kit
name: Lee, Tony E.
name: Gopalakrishnan, Sarang
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Pattern Formation and Solitons (nlin.PS)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We explore the phase diagram of interacting spin-$1/2$ systems in the presence of anisotropic interactions, spontaneous decay and driving. We find a rich phase diagram featuring a limit cycle phase in which the magnetization oscillates in time. We analyze the spatio-temporal fluctuations of this limit cycle phase at the Gaussian level, and show that spatial fluctuations lead to quasi-long-range limit cycle ordering for dimension $d = 2$. This result can be interpreted in terms of a spatio-temporal Goldstone mode corresponding to phase fluctuations of the limit cycle. We also demonstrate that the limit-cycle phase exhibits an asymmetric power spectrum measurable in fluorescence experiments.
description: 9 pages, 6 figures
Energy invariant for shallow water waves and the Korteweg -- de Vries equation. Is energy always an invariant?
Creators: name: Karczewska, Anna
name: Rozmej, Piotr
name: Infeld, Eryk
Publisher: name: arXiv
Year: 2015
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: It is well known that the KdV equation has an infinite set of conserved quantities. The first three are often considered to represent mass, momentum and energy. Here we try to answer the question of how this comes about, and also how these KdV quantities relate to those of the Euler shallow water equations. Here Luke's Lagrangian is helpful. We also consider higher order extensions of KdV. Though in general not integrable, in some sense they are almost so.
description: Section VIII on extended KdV equation added with 3 new figures
Nonlinear fluorescence spectroscopy of layered perovskite quantum wells
Creators: name: Gao, Ran
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: Renewed interest in layered hybrid perovskite quantum wells is motivated by optoelectronic applications including photovoltaic devices, light-emitting diodes5, and microcavity lasers. Charges and energy can transfer between quantum wells with different levels, which is closely related to energy efficiency of the optical devices that include perovskites. In this paper, we fabricated a perovskite layered film that contained n=3 and n=4 quantum wells at a ratio of 1:1. We used the newly developed nonlinear fluorescence spectroscopy (NLFL) to determine that energy can simultaneously transfer from n=3 quantum wells to n=4 quantum wells, finally reaching the big quantum wells and detected as fluorescence emission by NLFL.
CS Track project description template
Creators: name: Golumbic, Yaela
name: Oesterheld, Marius
Publisher: name: Zenodo
Year: 2022
Subjects: citizen science
H2020

description: Project descriptions, often found on citizen science platforms, are the gateway for citizen scientists to engage with projects. They provide the first glimpse into what a selected project is about, how it operates and how participants can contribute to its efforts. As such, project descriptions play a key role in attracting volunteers to citizen science projects. For this reason, the importance of an engaging, clear and concise project description really cannot be overstated. In this document you will find a 10-step template to help you write an attractive project description. It will guide you regarding the main topics and types of information to include in your description, offer explanations and suggestions for items to consider in each step and provide examples from two hypothetical project descriptions we prepared. This template is an output of our research in CS Track, which involved analyzing citizen science project descriptions to find out what can be learnt and understood from them. In the course of this work, we discovered that many project descriptions do not clearly articulate their project goals or the impact it may have on the scientific community, on the individuals participating in it, and on societal issues (such as public administration, policy-making or conservation efforts). We also noticed that often project descriptions do not explain which tasks citizen scientists will be asked to perform, what the time commitment may be and what prior knowledge or skills are required of them.
 In short, we pooled our findings to design an evidence-based template for writing citizen science project descriptions. Enjoy!
Chemical Mixtures in Household Environments:  In Silico Predictions and In Vitro Testing of Potential Joint Toxicities in Human Liver Cells
Creators: name: Toby Turla
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: There are thousands of chemicals that humans can be exposed to in their everyday environments, the majority of which remain understudied and lack substantial testing for potential exposure and toxicity. This study aimed to implement in silico methods to characterize chemicals that co-occur across chemical and product uses in our everyday household environments that also target a common molecular mediator, thus representing understudied mixtures that may exacerbate toxicity in humans. To detail, the Chemical and Products Database (CPDat) was queried to identify which chemicals co-occur across common exposure sources. Chemicals were pre-selected to include those that target an important mediator of cell health and toxicity, the peroxisome proliferator activated receptor gamma (PPARγ), in liver cells identified through query of the ToxCast/Tox21 database. These co-occurring chemicals were thus hypothesized to exert joint effects on PPARγ expression. To test this critical hypothesis, five commonly co-occurring chemicals, namely benzyl cinnamate, butyl paraben, decanoic acid, eugenol, and sodium dodecyl sulfate, were tested individually and in combination for cytotoxicity and PPARγ gene expression in human liver HepG2 cells. Findings support the potential joint action of these chemicals on PPARγ expression, highlighting mixtures-induced changes that were increased in comparison to individual chemical-induced changes, even when tested at lower respective doses in mixture form. Together, this study demonstrates the utility of in silico-based methods to identify chemicals that co-occur in the environment for mixtures toxicity testing, and highlights relationships between understudied chemicals and changes in PPARγ-associated signaling.
The role of trust and data management for better educational system - VEO project
Creators: name: Schiller, David H.
Publisher: name: Zenodo
Year: 2023

description: Data on education and learning plays a crucial role in societies. It enables research for a better and more equally educated population as well as an efficient monitoring of the educational system. Main sources for those data are statistical data collections and surveys on theoretical topics. On the other hand, educational data is data on individuals and therefore connected to privacy issues. Thereby, it is not only important to follow the legal rules. Ethical issues are also relevant; but the most important measurement is the trust of the individuals involved into the educational system. It is their trust into the usage of their data and into the benefits of providing their data for research and monitoring purposes. This trust into the system and into the benefits for individuals as well as for the whole population is the key to an efficient educational system based on data driven decisions. The Swiss project Virtual Educational Observatory (VEO) aims on giving a better overview about sources of data for research on education in Switzerland and tries to connect those sources in a meaningful way. To do so, a few different topics need to be addressed. One of them is privacy and ethics in research. The talk will discuss the role of data management for a better understanding of the usage of data and therefore, for more solid trust between the individual participants in the educational system and the research community as well as the political monitoring of the educational system.
Analysis of hematological parameters in rheumatoid arthritis patients receiving biological therapy: contribution to prevention of avoidable hematological complications
Creators: name: Pereckova, Jana
name: Martiniakova, Silvia
name: Payer, Juraj
name: Falk, Martin
name: Killinger, Zdenko
name: Perecko, Tomas
Publisher: name: IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund
Year: 2022
Subjects: biological therapy
rheumatoid arthritis
IL-6
TNFα
hematologic parameters

description: Administration of biological therapy (BT) in rheumatoid arthritis (RA) patients is often associated with hematological complications, which result in switching among therapies. Thus, there is an instant need for suitable screening parameters that will help to individualize the therapy and minimize the onset of adverse effects. We analyzed the hematological profile of 99 RA patients receiving TNFα (Adalimumab - ADA, Golimumab - GOL, Etanercept - ETA) or IL-6 receptor (Tocilizumab - TCZ) inhibitors in order to find possible indicators to improve personalization of RA therapy. BTs significantly affect the levels of observed hematological parameters. In contrast to TNF-α inhibitors, TCZ normalized almost all monitored hematological parameters to values of healthy donors. Only GOL from the TNF-α inhibitors studied, was able to normalize neutrophil counts, as well as platelet indicators. Importantly, effects on the blood parameters (e.g. lymphocytes or platelet count) differ even within the same therapeutic group (anti-TNFα). Variable effects of individual biological agents in RA treatment point to importance to evaluate the patient’s hematological profile to improve the selection of suitable BT. It will help to personalize the administration of BT and prevent unnecessary switching from an effective therapy just because of provocation of avoidable hematological complications.
description: EXCLI Journal; 21:Doc580; ISSN 1611-2156
On bifurcations of multidimensional diffeomorphisms having a homoclinic tangency to a saddle-node
Creators: name: Gonchenko, S. V.
name: Gordeeva, O. V.
name: Lukjanov, V. I.
name: Ovsyannikov, I. I.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37C05, 34C37, 37C29, 37G25

description: We study main bifurcations of multidimensional diffeomorphisms having a non-transversal homoclinic orbit to a saddle-node fixed point. On a parameter plane we build a bifurcation diagram for single-round periodic orbits lying entirely in a small neighbourhood of the homoclinic orbit. Also a relation of our results to well-known codimension one bifurcations of a saddle fixed point with a quadratic homoclinic tangency and a saddle-node fixed point with a transversal homoclinic orbit is discussed.
Effects of Adolescent Intermittent Ethanol Exposure on Medial Prefrontal Cortex Perineuronal Nets Surrounding Interneurons in Male and Female Rats
Creators: name: Sutherland, Blake
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022

description: Intermittent exposure to binge-like levels of alcohol during adolescence has long-term ramifications on the brain and behavior. One consequence of adolescent intermittent ethanol (AIE) exposure, as demonstrated in animal models, is impaired behavioral flexibility in adulthood, which is the ability to modify behaviors to adapt to a changing environment. Interneurons in the medial prefrontal cortex (mPFC) play a critical role in behavioral flexibility. One such interneuron is parvalbumin (PV), a fast-spiking GABAergic interneuron that contributes to inhibitory neurotransmission. Perineuronal nets (PNNs) are a component of the extracellular matrix known to preferentially surround PV interneurons in the mPFC, further regulating synaptic plasticity and the ability of these interneurons to fire. AIE exposure has been shown to not only produce behavioral changes, but also alter molecular components in the brain; however, the effects of AIE-exposure on PV interneurons and PNNs is not fully understood. In the present study, we tested the hypothesis that AIE exposure increases the expression of PNNs, particularly those that surround PV interneurons in the mPFC, in adulthood. Male and female rats underwent two behavioral assessments following exposure to ethanol (5 g/kg/day, 2-days-on/2-days-off) or water during adolescence (P25-P54). Brain tissue from subjects was harvested in adulthood and co-immunofluorescence was used to assess the expression of PV and PNNs in the adult mPFC. No significant differences were found in PNNs or PV interneurons between exposure levels; however, significant sex differences were found in the average object size of PV interneurons. These results indicate that behavioral testing may have rescued the molecular changes previously observed with AIE exposure, as PNNs were not significantly altered with AIE exposure. Findings also reveal important molecular differences between male and female rats in the size of PV interneurons, which warrants further investigation.