cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The Influence of Long-Term Autoclaving on the Properties of Ultra-High Performance Concrete
Creators: name: Tian, Hongwei
name: Hirsch, Tamino
name: Stephan, Dietmar
name: Lehmann, Christian
Publisher: name: Technische Universität Berlin
Year: 2022
Subjects: subject: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
subject: ultra-high performance concrete
subject: autoclaving
subject: fly ash
subject: C-S-H
subject: compressive and flexural strength

description: Thermal energy storage is a key component in harnessing renewable resources, compensating for the energy variations across time scales. A popular strategy for thermal energy storage is storing thermal energy in hot water tanks, which are generally made of copper, stainless steel, and vitreous enamel-lined carbon steel. However, these materials usually suffer a high production cost and short life cycle. UHPC with superior strength and durability holds the potential as a construction material for hot water tanks, which are commercially available and affordable for large-scale applications. During the charging process of hot water tanks, the UHPC structures are thus loaded by a long-term temperature-pressure load (autoclaving condition). However, the influence of long-term autoclaving on UHPC is still unclear. Therefore, the influence of long-term autoclaving at 200°C on the mechanical properties and microstructure of UHPC is studied here. The effect of the long-term autoclaving depends on the UHPC compositions. The compressive strength can stay robust owing to the accelerated formation of hydrates, while the flexural strength is vulnerable to the long-term autoclaving. Katoite, hydroxylellestadite, and scawtite are identified as the new hydrates in the autoclaved UHPC with typical components. The transformation of amorphous C-S-H into more ordered phases results in the low flexural strength and the undensified interface between the matrix and steel fibres. The partial replacement of cement by fly ash mitigates the detrimental effect of the long-term autoclaving. The incorporation of fly ash provides additional silica and increases the ratio of silica to cement, leading to more poorly crystallized C-S-H with a low Ca/Si ratio, which benefits microstructure densification and mechanical strength. The decrease of Ca/Si ratio and the increase of Al by fly ash accelerate the decomposition of katoite and hydroxylellestadite and formation of tobermorite. This study clarifies the influence of the long-term autoclaving on UHPC and provides guidance for developing an applicable and sustainable UHPC as the construction material for hot water tanks.
title: Response of growth and wax production of jojoba (Simmondsia chinensis (Link) C.K. Schneid.) to the growing location in Egypt
Creators: name: Mahmoud, Salah M.
name: Hendawy, Saber F.
name: Ibrahium, M. F.
name: El Serafy, Mahmoud A.
name: Youssuf, Hussan A.
Publisher: name: Julius Kühn-Institut
Year: 2016
Subjects: subject: jojoba
subject: growing site
subject: wax
subject: fatty acid
subject: hohoba
subject: growth
subject: flowering

description: Julius-Kühn-Archiv 253
Texte et Tissu: A Survey of Intertwined Crafts in French and Francophone Literatures and Cultures
Creators: name: Taylor, Anna
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2017

description: In Western culture, it is difficult to study texts without encountering allusions to textiles.
In both French and English, the words text and textile derive from the Latin textus meaning
structure, texture, or tissue. This linguistic commonplace is evident in the language of literary
criticism, when ineffective writers create plot holes, conscientious writers tie up loose ends,
captivating storytellers spin yarns, and unconvincing speechmakers lose the threads of their
arguments. Textile idioms also play out in the foundational myths of Western culture, from the
looms of crafty goddesses in Greco-Roman epic poetry to the spiritual gifts that weavers contribute
in the scriptures of the Abrahamic religions. This project explores prominent intersections between
texts and textiles in works of French-speaking authors and artisans from three continents and
across six centuries. Beyond the usefulness of weaving metaphors in everyday speech, this study
seeks to discern potential rewards and consequences of aligning the intellectual labor of authorship
with the physical, economic, and social realities of textile craftsmanship.
Incommensurability effects on dipolar bosons in optical lattices
Creators: name: Cinti, Fabio
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We present a study that investigated a quantum dipolar gas in continuous space where a potential lattice was imposed. Employing exact quantum Monte Carlo techniques, we analysed the ground state properties of the scrutinised system, varying the lattice depth and the dipolar interaction. For system densities corresponding to a commensurate filling with respect to the optical lattice, we observed a simple crystal-to-superfluid quantum phase transition, being consistent with the physics of dipolar bosons in continuous space. In contrast, an incommensurate density showed the presence of a supersolid phase. Indeed, such a result opens up the tempting opportunity to observe a defect-induced supersolidity with dipolar gases in combination with a tunable optical lattice. Finally, the stability of the condensate was analysed at finite temperature.
description: 7 pages, 4 figures
The Effect of Obesity in African-Americans on the Response to Influenza Vaccination
Creators: name: Nguyen, Hieu
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: The prevalence of obesity has been increasing in the United States and worldwide with
more people dying from being overweight than being underweight. Obesity has many
complications that increase the risk for cardiovascular diseases, hypertension, diabetes, and even
an impairment of immune function. With impaired immune function, it could increase the
susceptibility to contract the influenza virus and lead to further complications. One
consequence of obesity is decreased adiponectin levels and subsequent increases in proinflammatory
cytokines such as IL-6 and reductions in the anti-inflammatory cytokine IL-10.
This study was designed to determine if changes in adiponectin and IL-6 and IL-10 levels were
associated with the response to influenza vaccination. We hypothesized that decreased
adiponectin levels would be associated with higher IL-6, lower IL-10 and decreased antibody
response to vaccination. Serum was obtained from study participants that were obese African
American women and were non-smokers and non-diabetic. Hemagglutination inhibition assays
were ran to determine the antibody response for the influenza vaccine strains (Perth, H1N1, B).
This antibody data was then compared with adiponectin, IL-6, and IL-10 serum levels that were
determined through enzyme linked immunosorbent assays. There were no significant differences
in adiponectin, IL-6, or IL-10 when looking between the low and high responders to the
influenza vaccine strains (Perth, H1N1, B). For future studies, the sample size should be
increased to enhance the statistical likelihood to draw conclusions on adiponectin as a biomarker
for how the obese population would respond to vaccinations.
Quantized Consensus ADMM for Multi-Agent Distributed Optimization
Creators: name: Zhu, Shengyu
name: Hong, Mingyi
name: Chen, Biao
Publisher: name: arXiv
Year: 2015
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: Multi-agent distributed optimization over a network minimizes a global objective formed by a sum of local convex functions using only local computation and communication. We develop and analyze a quantized distributed algorithm based on the alternating direction method of multipliers (ADMM) when inter-agent communications are subject to finite capacity and other practical constraints. While existing quantized ADMM approaches only work for quadratic local objectives, the proposed algorithm can deal with more general objective functions (possibly non-smooth) including the LASSO. Under certain convexity assumptions, our algorithm converges to a consensus within $\log_{1+η}Ω$ iterations, where $η>0$ depends on the local objectives and the network topology, and $Ω$ is a polynomial determined by the quantization resolution, the distance between initial and optimal variable values, the local objective functions and the network topology. A tight upper bound on the consensus error is also obtained which does not depend on the size of the network.
description: 30 pages, 4 figures; to be submitted to IEEE Trans. Signal Processing. arXiv admin note: text overlap with arXiv:1307.5561 by other authors
Il corpo ‘scodato’. Corporeità umana e non nell’inferno di Horcynus Orca di Stefano D’Arrigo
Creators: name: Perpetuini, Stefano
Publisher: name: DNA – Di Nulla Academia
Year: 2022

description: Nelle varie rappresentazioni oltremondane che costellano la letteratura mondiale, a seconda delle loro diverse configurazioni, la dimensione corporea ha avuto più o meno importanza. All’interno del mondo infernale di Horcynus Orca di Stefano D’Arrigo essa svolge un ruolo centrale e, in maniera del tutto analoga all’utilizzo del corpo che fa Dante nella Commedia, è uno dei più importanti strumenti utilizzati dallo scrittore per la rappresentazione delle pene dell’inferno postbellico del romanzo. Inoltre, la corporeità anomala, spezzata, che caratterizza il romanzo, non è soltanto uno strumento di rappresentazione, ma, nell’immagine del corpo scodato, è essa stessa l’allegoria dell’inferno postbellico rappresentato.
description: DNA – Di Nulla Academia, Vol. 3 No. 1 (2022): Inferno e postinferno - II
The effects of bilateral STN-DBS on sleep disorders in Parkinson's disease: a meta analysis
Creators: name: Yin, Zixiao
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Life Sciences
subject: Neuroscience and Neurobiology

description: STN-DBS (subthalamic nucleus-deep brain stimulation) is an effects treatment in reducing motor symptoms of Parkinson's disease patients. This study aims to answer following questions: Whether Bilateral STN-DBS can improve sleep disorders in Parkinson's diesease patients? If can, what specific symptoms can bilateral STN-DBS improve? And how long can the improvement sustained? Is there any predictive factor that is associated with the sleep improvement? We aim to pool all the data published can answer aforementioned questions.
Galaxies at the extremes: Ultra-diffuse galaxies in the Virgo Cluster
Creators: name: Mihos, Chris
name: Durrell, Patrick R.
name: Ferrarese, Laura
name: Feldmeier, John J.
name: Côté, Patrick
name: Peng, Eric W.
name: Harding, Paul
name: Liu, Chengze
name: Gwyn, Stephen
name: Cuillandre, Jean-Charles
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report the discovery of three large (R29 >~ 1 arcminute) extremely low surface brightness (mu_(V,0) ~ 27.0) galaxies identified using our deep, wide-field imaging of the Virgo Cluster from the Burrell Schmidt telescope. Complementary data from the Next Generation Virgo Cluster Survey do not resolve red giant branch stars in these objects down to i=24, yielding a lower distance limit of 2.5 Mpc. At the Virgo distance, these objects have half-light radii 3-10 kpc and luminosities L_V=2-9x10^7 Lsun. These galaxies are comparable in size but lower in surface brightness than the large ultradiffuse LSB galaxies recently identified in the Coma cluster, and are located well within Virgo's virial radius; two are projected directly on the cluster core. One object appears to be a nucleated LSB in the process of being tidally stripped to form a new Virgo ultracompact dwarf galaxy. The others show no sign of tidal disruption, despite the fact that such objects should be most vulnerable to tidal destruction in the cluster environment. The relative proximity of Virgo makes these objects amenable to detailed studies of their structural properties and stellar populations. They thus provide an important new window onto the connection between cluster environment and galaxy evolution at the extremes.
description: 7 pages, 4 figures, to appear in ApJ Letters. Updated with minor revisions to match accepted version
Prospective Intention-Based Lifestyle Contracts: mHealth technology and responsibility in healthcare
Creators: name: Feng-Gu, Emily
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Philosophy
subject: FOS: Philosophy, ethics and religion
subject: Arts and Humanities

description: As the costs of lifestyle-related diseases place increasing strain on public healthcare systems, individuals’ role in disease may be proposed as a healthcare rationing criterion. Literature thus far has largely focused on retrospective responsibility in healthcare. The concept of prospective responsibility in the form of a lifestyle contract warrants further investigation. The responsibilisation in healthcare debate also needs to take into account innovative developments in mobile health technology, such as wearable biometric devices and mobile apps, which may change how we hold others accountable for their lifestyles. Little is known about public attitudes towards lifestyle contracts and the use of mobile health technology to hold people responsible in the context of healthcare. This paper has two components. Firstly, it details empirical findings from a survey of 81 members of the United Kingdom general public on public attitudes towards individual responsibility and rationing healthcare, prospective and retrospective responsibility, and the acceptability of lifestyle contracts in the context of mobile health technology. Secondly, we draw on the empirical findings and propose a model of prospective intention-based lifestyle contracts, which is both more aligned with public intuitions and less ethically objectionable than more traditional, retrospective models of responsibility in healthcare.
The Effect of Voter Turnout on Education and Healthcare Spending in Latin America
Creators: name: Dodd, Mary
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2018

description: Throughout the world, countries that were once considered examples of high-quality democracy are now experiencing crises of democracy. It is important now more than ever to understand the characteristics that create a quality democratic government. This paper will explore the effect of voter turnout, an important aspect of democratic participation, on spending on healthcare and education, a measure of government responsiveness, in Latin America from 1990 to 2007. The results indicated that voter turnout did not produce statistically significant effects on spending in either healthcare or education. Additionally, expanding the definition of participation to include more non-violent political activities, such as campaigning and encouraging others to vote, also does not have a statistically significant effect on spending in healthcare and education. The paper concludes by recommending further avenues for research in this topic.
Ooi et al (2023) - Supplementary materials.docx
Creators: name: Ooi, Ee Cheng
name: XIANG, RUIDONG
name: Chamberlain, Amanda
name: GODDARD, MICHAEL
Publisher: name: University of Melbourne
Year: 2023
Subjects: Animal production not elsewhere classified

description: Supplementary materials for a published paper: Archetypal clustering reveals physiological mechanisms linking milk yield and fertility in dairy cattle.
Note sulla pelle dei delinquenti
Creators: name: Rodler, Lucia
Publisher: name: DNA – Di Nulla Academia
Year: 2022

description: Il carcere è un inferno. Tullio Murri lo ha vissuto per molti anni e ha raccontato la triste vita dei detenuti, descrivendo caratteri, comportamenti e corpi. Qualche decennio prima anche Cesare Lombroso ha studiato l’aspetto fisico dei delinquenti: il tatuaggio, ad esempio, mostra la natura e la cultura criminale, di cui il presente saggio analizza il linguaggio “infernale”.
description: DNA – Di Nulla Academia, Vol. 3 No. 1 (2022): Inferno e postinferno - II
Distance learning and COVID-19 South Africa (SA)
Creators: name: Steyn, Adriana
name: van Slyke, Craig
name: Dick, Geoffrey
name: Twinomurinzi, Hossana
name: Amusa, Lateef
Publisher: name: University of Pretoria
Year: 2023
Subjects: classificationCode: 390405
subject: Educational technology and computing

description: This data is part of an international replication study. The aftermath of COVID changed how students learn, mainly moving to a distance learning model. The research reported in this paper investigated the organizational and individual factors that influence the preference for continuing with distance / online learning post-COVID. Partial least squares structural equation modeling was applied to a model developed for this research, based on data from 452 students from residential universities in South Africa. The key results reveal an overall reluctance to continue with distance learning. This is despite the technological and faculty support offered to university students and how distance learning fits their learning styles. This is likely due to student living conditions and their perception of low institutional concern. On the other hand, faculty support has a more substantial impact on continuance, compared with a generally negative perception of support from the universities. The research underscores the importance of addressing student reluctance to continue with distance learning by improving institutional support and tailoring learning styles. The research enhances our understanding of crucial factors influencing students' preference for distance/online learning post-COVID. It also underscores the pedagogical shifts brought about by the pandemic, particularly highlighting the changing roles of faculty support and the impact on students' living conditions.
Obstructions to convexity in neural codes
Creators: name: Lienkaemper, Caitlin
name: Shiu, Anne
name: Woodstock, Zev
Publisher: name: arXiv
Year: 2015
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Combinatorics (math.CO)
subject: FOS: Biological sciences
subject: FOS: Mathematics
subject: 05E45, 55U10, 92C20

description: How does the brain encode spatial structure? One way is through hippocampal neurons called place cells, which become associated to convex regions of space known as their receptive fields: each place cell fires at a high rate precisely when the animal is in the receptive field. The firing patterns of multiple place cells form what is known as a convex neural code. How can we tell when a neural code is convex? To address this question, Giusti and Itskov identified a local obstruction, defined via the topology of a code's simplicial complex, and proved that convex neural codes have no local obstructions. Curto et al. proved the converse for all neural codes on at most four neurons. Via a counterexample on five neurons, we show that this converse is false in general. Additionally, we classify all codes on five neurons with no local obstructions. This classification is enabled by our enumeration of connected simplicial complexes on 5 vertices up to isomorphism. Finally, we examine how local obstructions are related to maximal codewords (maximal sets of neurons that co-fire). Curto et al. proved that a code has no local obstructions if and only if it contains certain "mandatory" intersections of maximal codewords. We give a new criterion for an intersection of maximal codewords to be non-mandatory, and prove that it classifies all such non-mandatory codewords for codes on up to 5 neurons.
description: 21 pages, 1 table; published version
One-arm Spiral Instability in Hypermassive Neutron Stars Formed by Dynamical-Capture Binary Neutron Star Mergers
Creators: name: Paschalidis, Vasileios
name: East, William E.
name: Pretorius, Frans
name: Shapiro, Stuart L.
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Using general-relativistic hydrodynamical simulations, we show that merging binary neutron stars can form hypermassive neutrons stars that undergo the one-arm spiral instability. We study the particular case of a dynamical capture merger where the stars have a small spin, as may arise in globular clusters, and focus on an equal-mass scenario where the spins are aligned with the orbital angular momentum. We find that this instability develops when post-merger fluid vortices lead to the generation of a toroidal remnant - a configuration whose maximum density occurs in a ring around the center-of-mass - with high vorticity along its rotation axis. The instability quickly saturates on a timescale of $\sim 10$ ms, with the $m=1$ azimuthal density multipole mode dominating over higher modes. The instability also leaves a characteristic imprint on the post-merger gravitational wave signal that could be detectable if the instability persists in long-lived remnants.
description: 6 pages, 3 figures, submitted for publication, corrected a typo
She’s Always A ’Quota Woman’? The Subjective Effects of Gender Quotas
Creators: name: Radojevic, Marco
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Social and Behavioral Sciences

description: While objective effects of gender quotas have been studies quiet extensively, subjective effects of quotas haven't been studied. This paper tests the subjective effect of gender quotas. In order to test these I employ a survey experiment with party leaders in Austria, Germany and Switzerland. Party leaders are asked to evaluate a female politican based on a audio clip. They will receive information on whether a politican was elected through a gender quota (treatment) or not (control) along other biographical information. Furthermore I will test framing effects by calling the gender quota a quota for women in the first treatment group and a ceiling quota for men in the other treatment group. This paper contributes to the literature on gender quota and the underrepresentation of women.
Loggerhead Sea Turtle Migration Using the Earth's Magnetic Field: A Virtual Reality Approach
Creators: name: Bagley, Kendall
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2016

description: Loggerhead sea turtles (Caretta caretta) navigate across a wide swath of the North
Atlantic Ocean during their juvenile years. This navigational feat is accomplished, at least in
part, by the ability of turtles to detect and respond to variation in the earth’s magnetic field,
particularly its intensity and inclination. The aim of this study was to identify potential
ontogenetic (i.e., age-dependent) differences in the response of sea turtles to the geomagnetic
field. We used a dynamic, magnetic virtual reality system to test the directional swimming
preference of two groups of loggerhead turtles (one group composed of turtles aged 0 to 5
months and one group aged 6 to 10 months) placed in magnetic fields that simulated two
geographic points along the migration route of C. caretta. For both test locations, the two groups
of sea turtles exhibited significantly different directional bearings. This is consistent with the
idea that response to the geomagnetic field changes as a sea turtle ages. The results of this study
may inform future conservation efforts by enhancing our understanding of how individuals sense
and navigate through the environment during early and vulnerable stages of their lives.
Formation and growth of shear bands in glasses: existence of an underlying directed percolation transition
Creators: name: Shrivastav, Gaurav Prakash
name: Chaudhuri, Pinaki
name: Horbach, Jürgen
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The response of glasses to mechanical loading often leads to the formation of inhomogeneous flow patterns that strongly affect materials properties. Among them, shear bands are ubiquitous in a wide variety of materials, ranging from soft matter systems to metallic alloys. Shear banding is associated with strain localization, i.e. the deformation of the sheared glassy solid is localized in space in form of band-like structures. These structures are often precursors to catastrophic failure, implying that a proper understanding of the underlying mechanisms could lead to the design of smarter materials. However, despite its importance in material science, the microscopic origin of shear banding in glassy materials is only poorly understood. Here, the formation of shear banding in glassy systems is revealed by non-equilibrium molecular dynamics simulations (NEMD) of a binary Lennard-Jones mixture, subject to a constant strain rate. In its glass state, this system exhibits for all considered strain rates the formation of a percolating cluster of mobile regions at a critical strain. We show that this percolation transition belongs to the universality class of directed percolation. Only at low shear rates, where the steady-state stress is close to the yielding threshold, the percolating cluster evolves into a transient (but long-lived) shear band with a diffusive growth of its width.
description: 14 pages, 4 figures
The Tenure Track Model: Its Acceptance and Perceived Gendered Character
Creators: name: O'CONNOR, PAT
name: Drew, Eileen
Publisher: name: University of Limerick
Year: 2023
Subjects: Education

description: This article is concerned with the tenure track (TT) model, which has become increasingly used to extend the period of early career academics’ probation from one to five years across the EU. This article focuses on the TT in Trinity College Dublin (TCD), the oldest and most prestigious university in Ireland, one where gender equality has been embedded more consistently and where the pace of change has been faster than in other Irish universities. Drawing on interviews with thirteen men and women in three faculties, all but one of whom had successfully achieved tenure, this article explores their acceptance of the TT model and the perceived relevance of gender. Men were more likely to accept the model and less likely to see it as gendered. Even those women who identified a lack of clarity around maternity leave and/or gender differences in negotiating ‘fixed’ starting salaries did not identify a systemic gender issue but blamed themselves. Women who were ‘outsiders’ to TCD and in the arts, humanities and social science faculty were most likely to be critical of the model. The findings suggest the importance of a cautionary appraisal of TT, even in institutions that have actively sought to enhance gender equality.
Properties of finite dual fusion frames
Creators: name: Heineken, Sigrid B.
name: Morillas, Patricia M.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: Primary 42C15, Secondary 42C40, 46C05, 47B10

description: A new notion of dual fusion frame has been recently introduced by the authors. In this article that notion is further motivated and it is shown that it is suitable to deal with questions posed in a finite-dimensional real or complex Hilbert space, reinforcing the idea that this concept of duality solves the question about an appropriate definition of dual fusion frames. It is shown that for overcomplete fusion frames there always exist duals different from the canonical one. Conditions that assure the uniqueness of duals are given. The relation of dual fusion frame systems with dual frames and dual projective reconstruction systems is established. Optimal dual fusion frames for the reconstruction in case of erasures of subspaces, and optimal dual fusion frame systems for the reconstruction in case of erasures of local frame vectors are determined. Examples that illustrate the obtained results are exhibited.
On Energy and Momentum Conservation in Particle-in-Cell Simulation
Creators: name: Brackbill, J. U.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Particle-in-cell (PIC) plasma simulations are a productive and valued tool for the study of nonlinear plasma phenomena, yet there are basic questions about the simulation methods themselves that remain unanswered. Here we study one such question: energy and momentum conservation by PIC. We employ both analysis and simulations of one-dimensional, electrostatic plasmas to understand why PIC simulations are either energy or momentum conserving but not both, what the role of numerical stability is in non-conservation, and how do errors in conservation scale with the numerical parameters. Conserving both momentum and energy make it possible to model problems such as Jeans' -type equilibria. Avoiding numerical instability is useful, but so is being able to identify when its effect on the results may be important. Designing simulations to achieve the best possible accuracy with the least expenditure of effort requires results on the scaling of error with the numerical parameters.. Our results identify the central role of Gauss' law in conservation of both momentum and energy, and the significant differences in numerical stability and error scaling between energy-conserving and momentum-conserving simulations.
Milton and the Dilemma of Divorce: Paradise Lost, Samson Agonistes, and Sacrificial Love
Creators: name: Whalen, Madison
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2016

description: In 1643, John Milton wrote the first of what would become four highly controversial tracts in which he fiercely defended the biblical foundation and support for divorce. Church law concerning divorce at the time was based upon the passages of Scripture in which Jesus told Jewish teachers of the law that the only reasons to divorce a spouse were infidelity and desertion. This teaching of Christ, in canonical wisdom, superseded Old Testament law given to Moses that allowed a man to write his wife a certificate of divorce if she ceased to find favor in his eyes. Milton’s study of the Bible led him to disagree with conventional church wisdom and hold that the Old Testament divorce law was not overturned by Christ but rather that the passage the Church based their law upon was hyperbole, not meant to be taken literally. According to Milton, canonical law had placed an unnecessary and legalistic burden on its members in its restrictions on divorce, and his undertaking to remedy this was a contribution to human liberty – both religiously and politically. His four treatises – The Doctrine and Discipline of Divorce, The Judgment of Martin Bucer, Tetrachordon, and Colasterion – attempt to restore divorce “to the good of both sexes” by deliberately, painstakingly outlining arguments in hopes to change Church discourse. The Doctrine and Discipline of Divorce appeals to human reason as Milton presents his defense from a rational standpoint, extrapolating biblical precedents and making judgments based on his theological understanding of who God is and what He would desire for his people. The Judgment of Martin Bucer is Milton’s drawing upon Protestant reformer Martin Bucer who agreed that divorce had a place in the Church. Tetrachordon, the most intellectual of the tracts, presents the four main Scripture verses that deal with marriage or the dissolution thereof. Milton meticulously dissects the Greek and Hebrew foundations of the language to support his claims that the Church has completely misrepresented the purposes marriage and, by extension, divorce, truly serve. Finally, Colasterion is Milton’s counter-response to a pamphlet refuting all of his points in Doctrine and Discipline. These four tracts present a lay theologian intent on rectifying a grievous wrong the Church has done its members: depriving them of their ability to divorce a spouse unless in cases of adultery or desertion.
Zu den frühkaiserzeitlichen Anlagen in Wiesbaden
Creators: name: Simon, Hans-Günther
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2023

description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 41 Nr. 2 (1963)
Assessing Water Storage and Discharge Dynamics at the Catchment Scale under Complex Wetting and Drying Conditions
Creators: name: Cannan, Catharine
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Hysteresis in the soil water storage / discharge relationship is an important but poorly understood aspect of catchment response to rainfall, particularly in regards to spatial and temporal variations. In this study, a physics-based hydrologic response model was used to examine differences in hysteresis at the catchment and point scale for rainfall events with different durations and initial conditions. Additionally, the annual water balance of the catchment was analyzed to explore the factors that influence runoff and to identify possible predictors of runoff generation. Differences in topography that result from position within the catchment (hillslope vs. hollow) act as a major control on the timing and magnitude of discharge within the catchment and can influence the amount of hysteresis observed in the soil water content/discharge relationship. The results show that the direction of hysteresis across the catchment was unpredictable and did not correspond to either storm duration or initial conditions, which is an indicator of the complex spatial dynamics in response to rainfall. A soil moisture threshold for discharge was observed at 0.48 but was less likely to be observed for storms with short duration or dry initial conditions. Areas of average topography (CASMM sites) can be used to represent the average hydrologic state of the catchment, which has important implications for the role of topography and means identifying these locations could be useful for future research. The use of hydrologic response models and representative locations allows for high spatial and temporal resolution studies with lower costs and fewer measurement errors, making them valuable methods for studying catchment hydrologic properties.
Friction Causing Unpredictability
Creators: name: Oldham, Joshua
name: Weigert, Stefan
Publisher: name: arXiv
Year: 2015
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: The periodic motion of a classical point particle in a one-dimensional double-well potential acquires a surprising degree of complexity if friction is added. Finite uncertainty in the initial state can make it impossible to predict in which of the two wells the particle will finally settle. For two models of friction, we exhibit the structure of the basins of attraction in phase space which causes the final-state sensitivity. Adding friction to an integrable system with more than one stable equilibrium emerges as a possible "route to chaos" whenever initial conditions can be specified with finite accuracy only.
description: 11 pages, 3 figures
Contrasting influence of charged impurities on transport and gain in terahertz quantum cascade lasers
Creators: name: Grange, Thomas
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Transport and gain properties of a resonant-phonon terahertz quantum cascade laser are calculated using nonequilibrium Green's functions. Impurity scattering is shown to be responsible for contrasting nonlinear effects in the transport and the gain properties. For typical doping concentrations, the current density is found to be weakly sensitive to the impurity scattering strength. In contrast, the calculated gain is found to be very sensitive to the impurity scattering strength. This difference is attributed to the strong momentum dependence of the long-range coupling to charged impurities. Small-momentum impurity scattering is shown to be responsible for an incoherent regime of resonant tunneling processes. These new insights into the crucial role of impurity scattering open a new route of improvement of terahertz quantum cascade lasers by engineering of the doping profile.
description: 4 pages, 4 figures
Modeling Gamma-Ray Burst-Associated Type Ic Supernovae: a Genetic Algorithm-Based Approach
Creators: name: Cromartie, Hannah Thankful
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Long-duration gamma-ray bursts (GRBs) have been shown to be associated with Type Ic supernovae (SNe). However, most GRBs occur at sufficiently high red-shift that if a SN is detected at all, it is detected only photometrically, and then at comparable brightness to the GRB's afterglow (at NIR through UV wavelengths).
Consequently, GRB afterglow modeling efforts, at least of intermediate-redshift, long-duration GRBs, require a reliable SN model or template, (1) so the afterglow may be modeled without the results being contaminated by the SN, and (2) so the luminosity and temporal stretching of the SN may also be measured. Traditionally, low-redshift GRB-SN 1998bw (z = 0.0087) has served as this template, but it is only one event, and its temporal and spectral coverage is not complete. However, two other low-redshift GRB-SNe - 2006aj and 2010bh (z = 0.033 and 0.059, respectively) - have since been observed, and like 1998bw, have densely sampled light curves spanning many NIR, visible, and UV bands. Here we present a unified, albeit empirical, GRB-SN model, simultaneously fit to all three of these rich data sets, that may be used in future GRB afterglow and GRB-SN modeling efforts. This model may also be used to investigate if the temporal and broad spectral properties of GRB-SNe differ from traditional Type Ic SNe in significant, or subtle, ways.
Ferritin Gene Expression among Pennate and Centric Diatoms
Creators: name: Stemple, Brooke
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: The ability to store iron through the use of iron storage proteins, ferritins, has evolved as an advantageous strategy for numerous diatom species. Iron is a micronutrient in the ocean that typically exists at low concentrations throughout much of the marine system. Therefore, iron deficiency often plays a central role in controlling primary productivity, and thus, diatom populations within the ocean (Martin, 1990). This project investigates the expression of an iron storage gene, ferritin, in three pennate diatoms and four centric diatoms. The strains were cultured at Bigelow Laboratory for Ocean Sciences and the University of North Carolina at Chapel Hill (UNC) and grown as triplicate cultures under various iron conditions. This experiment allowed for the comparison of ferritin gene expression along with iron storage capabilities, in contrasting iron environments among phylogenetically distinct diatoms. This was achieved by utilizing the ΔCt method. Our results suggest that pennates may upregulate ferritin levels in high iron environments. Marchetti et al (2009) similarly demonstrated that pennates such as Pseudo-nitzschia granii store iron during temporary pulses, which allows them to continue to proliferate once iron limited conditions return. Two of the examined centrics, however, demonstrated greatest ferritin gene expression under low iron conditions. This result is counterintuitive, as ferritin is a storage gene and high expression during low iron levels appears inefficient. However, this finding supports the theory that centrics may be using their ferritin as an iron buffer and thus eludes to physiological differences in the way these two diatom lineages are storing iron and utilizing their ferritin genes. There is also evidence of a biogeographical distinction among ferritin use in certain species. Diatoms in open ocean regions, where iron is often limited, may be utilizing their ferritin differently than those persisting in high-iron coastal areas.
Unveiling hidden ferrimagnetism and giant magnetoelectricity in polar magnet Fe2Mo3O8
Creators: name: Wang, Yazhong
name: Pascut, Gheorghe L.
name: Gao, Bin
name: Tyson, Trevor A.
name: Haule, Kristjan
name: Kiryukhin, Valery
name: Cheong, Sang-Wook
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Magnetoelectric (ME) effect is recognized for its utility for low-power electronic devices.Largest ME coefficients are often associated with phase transitions in which ferroelectricity is induced by magnetic order. Unfortunately, in these systems, large ME response is revealed only upon elaborate poling procedures. These procedures may become unnecessary in single-polar-domain crystals of polar magnets. Here we report giant ME effects in a polar magnet Fe2Mo3O8 at temperatures as high as 60 K.Polarization jumps of 0.3 μC/cm2, and repeated mutual control of ferroelectric and magnetic moments with differential ME coefficients on the order of 10$^4$ ps/m are achieved.Importantly, no electric or magnetic poling is needed, as necessary for applications.The sign of the ME coefficients can be switched by changing the applied "bias" magnetic field. The observed effects are associated with a hidden ferrimagnetic order unveiled by application of a magnetic field.
The Influence of Parents' Racial Stereotype Endorsement on Black Students' Beliefs and Self-Concept
Creators: name: Abate, Anna
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: In a sample of 429 African American youth and their parents, I examined the relationships
among parents’ racial stereotype endorsement, students’ 7th grade stereotypes, and students’ 10th
grade self-concept. The results showed that parents’ beliefs did not predict youths’ beliefs.
However, with school English grades controlled, boys in 7th grade with a more positive
perception of Blacks’ verbal abilities had higher verbal self-concept in 10th grade, and boys with
a more positive perception of Whites’ verbal abilities had lower verbal self-concept in 10th grade.
The results of this study provide evidence for longitudinal effects of racial academic stereotype
endorsement on self-concept and the negative impact that racial stereotypes can have on self-concept.
Enhancing Black students’ beliefs and increasing their perception of in-group
competency may result in self-concept and academic identity development improvement.
Intelligent deep learning for anomaly-based intrusion detection in IoT smart home networks
Creators: name: Butt, Nazia
name: Shahid, Ana
name: Qureshi, Kashif Naseer
name: Haider, Sajjad
name: Osman Ibrahim, Ashraf
name: Binzagr, Faisal
name: Arshad, Noman
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 40
subject: Engineering

description: The Internet of Things (IoT) is a tremendous network based on connected smart devices. These networks sense and transmit data by using advanced communication standards and technologies. The smart home is one of the areas of IoT networks, where home appliances are connected to the internet and smart grids. However, these networks are at high risk in terms of security violations. Different kinds of attacks have been conducted on these networks where the user lost their data. Intrusion detection systems (IDSs) are used to detect and prevent cyberattacks. These systems are based on machine and deep learning techniques and still suffer from fitting or overfitting issues. This paper proposes a novel solution for anomaly-based intrusion detection for smart home networks. The proposed model addresses overfitting/underfitting issues and ensures high performance in terms of hybridization. The proposed solution uses feature selection and hyperparameter tuning and was tested with an existing dataset. The experimental results indicated a significant increase in performance while minimizing misclassification and other limitations as compared to state-of-the-art solutions.
Reanalysis of the data published in Appleton and Blundell 2007
Creators: name: Appleton, Katherine
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Medicine and Health Sciences
subject: Social and Behavioral Sciences

description: This work will reanalyse the data presented in the publication: Appleton KM, Blundell JE. Habitual high and low consumers of artificially sweetened beverages: Effects of sweet taste and energy on short-term appetite. Physiol Behav 2007;92:479-486. The original work investigates the effects of the repeated consumption of sugar-sweetened beverages, low-calorie-sweetened beverages and water on appetite and food intake. Food intake was assessed by measuring consumption at several controlled test meals/periods, where an ad-libitum supply of sweet and non-sweet foods were provided and participants were asked to select and consume foods as they wished until comfortably full. The original work analysed food consumption in terms of energy, weight and macronutrients consumed regardless of food source. This reanalysis will investigate the energy and weight consumed specifically from the sweet and non-sweet food items in response to the two sweet and the non-sweet beverages provided.
Influential Factors On The Likelihood to Purchase Alcohol Online
Creators: name: Schroeder, Amanda
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2018

description: A 2016 study found that e-commerce businesses in the United States generated $322.17 billion in sales (Johnson, 2017), and other estimates predict that the e-commerce industry will grow by 23.2% in 2017 (Chaffey, 2017). While research concurs that e-commerce is a growing industry, other studies aimed to understand consumer behavior online have presented conflicting conclusions. My research seeks to identify factors that influence consumers’ buying intent in an emerging industry: e-commerce for buying alcohol. To identify influential factors on the likelihood to buy alcohol online, a consumer behavior survey was conducted in the United States. The survey asked respondents to provide demographic information, as well as information on their current e-commerce behavior and alcohol consumption habits. Cross tabulations and logistic regression analyses were performed to identify influential factors on a respondents’ likelihood to use e-commerce for buying alcohol.  Findings indicate that the following factors significantly influence the intent to buy alcohol online: (1) the frequency a respondent currently buys items online, (2) how often a respondent buys alcohol, (3) how long a respondent expects regular online orders to arrive, (4) how many days after purchase a respondent waits to consume an alcoholic purchase, and (5) the type of alcoholic beverage respondents consume the most.