cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
DIE EFFEKTIWITEIT VAN DIE VLOERPRYSSKEMA AS STABILISASIE-MEGANISME IN DIE PRIMME BEESVLEISBEDRYF
STABILISATION OF THE PRIMARY BEEF INDUSTRY: EFFECTIVENESS OF THE BEEF FLOOR PRICE
Creators: name: Venter, W. J.
name: Van Zyl, J.
name: Venter, W. J.
name: Van Zyl, J.
Publisher: name: Unknown
Year: 1996
Subjects: Demand and Price Analysis
Livestock Production/Industries

description: The Meat Board has administered an auction system with a minimum guarantee price (floor price) for beef carcasses since 1956. The floor price functions as a mechanism to purchase carcasses when beef producer prices decline to predetermined low levels. The Meat Board debones and freezes this meat, which is later sold to the trade. The net effect of these purchasing and selling actions on the annual beef producer price was empirically analysed. The net floor price effect, 1970 to 1993, can be described as negative since the magnitude of price-lowering effects due to Meat Board sales of frozen beef was twice that of price-raising effects resulting from floor price purchases and supply control, taking into account the absolute extent of price lowering and raising effects. Relatively large quantities of beef had to be purchased at floor price before significant price increases resulted, but the selling of relatively small quantities of frozen beef was responsible for significant producer price decreases. Supply control measures played an important contributory role in bringing producer price increases into effect. The original aim of the floor price system was to remove beef by means of exports, an aim which was frustrated by economic sanctions and subsidised world beef prices. The fact that floor price beef was sold into the domestic market neutralised the effectiveness of the beef floor price system.
Cosmological constant and gravitational theory on D-brane
Creators: name: Shiromizu, Tetsuya
name: Koyama, Kazuya
name: Torii, Takashi
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In a toy model we derive the gravitational equation on a self-gravitating curved D-brane. The effective theory on the brane is drastically changed from the ordinal Einstein equation. The net cosmological constant on the brane depends on a tuning between the brane tension and the brane charges. Moreover, non-zero matter stress tensor exists if the net cosmological constant is not zero. This fact indicates a direct connection between matters on the brane and the dark energy.
description: 6 pages, minor corrections, accepted for publication in Physical Review D
NAVORSINGSNOTA : 'N VERGELYKING VAN DOELTREFFENDE EN ONDOELTREFFENDE PERSONEELBESTUURSPRAKTYKE EN -BELEIDE VAN BOERE IN DIE VERNAAMSTE LANDBOUBEDRYVVE
RESEARCH NOTE: A COMPARISON OF EFFICIENT AND INEFFICIENT PERSONNEL MANAGEMENT PRACTICES AlVD POLICIES OF FARMERS IN THE MAJOR FARMING INDUSTRIES
Creators: name: Oosthuizen, L. K.
name: Oosthuizen, L. K.
Publisher: name: Unknown
Year: 1996
Subjects: Farm Management
Production Economics
Productivity Analysis

description: The aim of this study was to vpift the perceptions offarmers regarding efficient and inefficient personnel management .systems on South African farms. For purposes of comparison the farmers (n=219) were requested to compare the personnel management systems on a Likert scale of high-production businesses on the one hand and low-production businesses, on the other. Highproduction businesses are characterized by consultative personnel management systems, whilst benevolent authoritative personnel management systems are characteristic of low-production businesses. Worker productivio,, job satisfaction and farm profitabiliol can be enhanced in a varie0,of farm business Opes if consultative instead of benevolent authoritative personnel management systems are implemented with respect to leadership, motivation, communication, human relations, decision-making, staff control, goal-formulation and work performance. Significant differences in perception exist regarding the opification of personnel management systems of high-production businesses between farmers who regard themselves favourably and the less favourable group of farmers as regards worker productivity, job satisfaction of workers and farm profitability,. The probability of a formal remuneration system being in use depends on the business features of the farm business.
Açık Lisans Eğitimi
Creators: name: Holt, Ilkay
name: Madran, Orçun
Publisher: name: Zenodo
Year: 2020
Subjects: Açık erişim
Açık lisans
Açık eğitim

description: Bu sunum #AE2020 haftasında Creative Commons Türkiye etkinliği kapsamında gerçekleştirilmiştir. Sunumun video kaydı bu adresten izlenebilir.
Abel's Theorem in the Noncommutative Case
Creators: name: Leitenberger, Frank
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics
subject: 17B37, 13A50, 14A22

description: We define noncommutative binary forms. Using the typical representation of Hermite we prove the fundamental theorem of algebra and we derive a noncommutative Cardano formula for cubic forms. We define quantized elliptic and hyperelliptic differentials of the first kind. Following Abel we prove Abel's Theorem.
description: 30 pages
Predicting Changes In Public Opinion With Twitter: What Social Media Data Can And Can't Tell Us About Opinion Formation
Creators: name: Wirth, Kurt
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 4701
subject: Communication and media studies

description: With the advent of social media data, some researchers have claimed it has the potential to revolutionize the measurement of public opinion. Others have pointed to non-generalizable methods and other concerns to suggest that the role of social media data in the field is limited. Likewise, researchers remain split as to whether automated social media accounts, or bots, have the ability to influence conversations larger than those with their direct audiences. This dissertation examines the relationship between public opinion as measured by random sample surveys, Twitter sentiment, and Twitter bot activity. Analyzing Twitter data on two topics, the president and the economy, as well as daily public polling data, this dissertation offers evidence that changes in Twitter sentiment of the president predict changes in public approval of the president fourteen days later. Likewise, it shows that changes in Twitter bot sentiment of both the president and the economy predict changes in overall Twitter sentiment on those topics between one and two days later. The methods also reveal a previously undiscovered phenomenon by which Twitter sentiment on a topic moves counter to polling approval of the topic at a seven-day interval. This dissertation also discusses the theoretical implications of various methods of calculating social media sentiment. Most importantly, its methods were pre-registered so as to maximize the generalizability of its findings and avoid data cherry-picking or overfitting.
Ab initio molecular dynamics simulations of negative thermal expansion in ScF3: the effect of the supercell size
Creators: name: Bocharov, D.
name: Krack, M.
name: Rafalskij, Yu.
name: Kuzmin, A.
name: Purans, J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Scandium fluoride (ScF3) belongs to a class of negative thermal expansion (NTE) materials. It shows a strong lattice contraction up to about 1000 K switching to expansion at higher temperatures. Here the NTE effect in ScF3 is studied in the temperature range from 300 K to 1600 K using ab initio molecular dynamics (AIMD) simulations in the isothermal-isobaric (NpT) ensemble. The temperature dependence of the lattice constant, inter-atomic Sc-F-Sc bond angle distributions and the Sc-F and Sc-Sc radial distribution functions is obtained as a function of supercell size from 2a x 2a x 2a to 5a x 5a x 5a where a is the lattice parameter of ScF3. A comparison with the experimental Sc K-edge EXAFS data at 600 K is used to validate the accuracy of the AIMD simulations. Our results suggest that the AIMD calculations are able to reproduce qualitatively the NTE effect in ScF3, however a supercell size larger than 2a x 2a x 2a should be used to account accurately for dynamic disorder. The origin of the NTE in ScF3 is explained by the interplay between expansion and rotation of ScF6 octahedra.
Additional file 2 of The stringent response regulator (p) ppGpp mediates virulence gene expression and survival in Erwinia amylovora
Creators: name: Ho-Wen Yang
name: Menghao Yu
name: Lee, Jae Hoon
name: Tiyakhon Chatnaparat
name: Zhao, Youfu
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 2: Table S2. List of DEGs of Ea1189 at 6 h versus at 3 h.
Renealmia capensis Houtt.
Creators: name: Wijnands, Dirk Onno
name: Heniger, Johannes
name: Veldkamp, Jan Frederik
name: Fumeaux, Nicolas
name: Callmander, Martin W.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Zingiberales
Zingiberaceae
Renealmia
Renealmia capensis

description: 95. Renealmia capensis Houtt.,
Nat. Hist. II(8): Aanwyz. Plaat. [2], 335, tab. 47, fig. 1. 1777.
≡ Villarsia capensis (Houtt.) Merr. in J. Arnold Arbor. 19: 360. 1938.
Lectotypus (designated here by Veldkamp & Callmander): SOUTH AFRICA: Cape, Thunberg s.n. (G-PREL [G00074336]!; isolecto-: G-PREL [G00818091, G00818092]!, UPS-THUNB n° 4228 image seen).
= Menyanthes capensis Thunb., Prodr. Pl. Cap.: 34. 1794.
Typus: SOUTH AFRICA: Cape, Thunberg s.n. (holo-: UPS-THUNB n° 4228 image seen; iso-: G-PREL [G00074336, G00818091, G00818092]!).
Notes. – Original material of Renealmia capensis in Houttuyn’s Cape herbarium is designated here as the lectotype. It was very likely collected by Thunberg and also represents a duplicate of the type of the later name Menyanthes capensis Thunb. Two further specimens in the Burman herbarium in G-PREL were annotated by Thunberg as Menyanthes capensis and represent original material of both Houttuyn’s and Thunberg’s names. Menyanthes ovata L. f. (LINNAEUS f., 1782: 133) is also based on the same Thunberg collection at UPS-THUNB, but this name is superfluous, as well as the combination by VENTENAT (1803 - 1808: sub tab. 9): Villarsia ovata (L. f.) Vent. (CALLMANDER et al., 2017).
The generic Renealmia Houtt. was published by Houttuyn in 1777 (Nat. Hist. II(8): 335). Houttuyn noted “A new genus ... which I ... baptise with the name now available”. Up to the beginning of the 19th century botanists often regarded that a name placed in synonymy was then available for another use, a practice that is no longer allowed. The generic name Renealmia had previously been validated by LINNAEUS (1753: 286). Both are nom. rej. [against the nom. cons. of LINNAEUS f. (1782: 7)].
description: Published as part of Wijnands, Dirk Onno, Heniger, Johannes, Veldkamp, Jan Frederik, Fumeaux, Nicolas & Callmander, Martin W., 2017, The botanical legacy of Martinus Houttuyn (1720 - 1798) in Geneva, pp. 155-198 in Candollea 72 (1) on page 187, DOI: 10.15553/c2017v721a11, http://zenodo.org/record/5721887
Cosmic Attractors and Gauge Hierarchy
Creators: name: Dvali, Gia
name: Vilenkin, Alexander
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We suggest a new cosmological scenario which naturally guarantees the smallness of scalar masses and VEVs, without invoking supersymmetry or any other (non-gravitationaly coupled) new physics at low energies. In our framework, the scalar masses undergo discrete jumps due to nucleation of closed branes during (eternal) inflation. The crucial point is that the step size of variation decreases in the direction of decreasing scalar mass. This scenario yields exponentially large domains with a distribution of scalar masses, which is sharply peaked around a hierarchically small value of the mass. This value is the "attractor point" of the cosmological evolution.
A Dynamical Model for Hot Gas in the Galactic Center
Creators: name: Quataert, Eliot
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Winds from massive stars supply ~ 10^{-3} solar masss/year of gas to the central parsec of the Galactic Center. Spherically symmetric hydrodynamic calculations show that ~ 1 % of this gas, or ~ 10^{-5} solar masses/year, flows in towards the central massive black hole Sgr A*; the remaining gas, ~ 10^{-3} solar masses/year, is thermally driven out of the central star cluster in a wind. This dynamical model accounts for the level of diffuse X-ray emission observed in the Galactic Center by Chandra and the extended X-ray source coincident with Sgr A*; the latter is a direct signature of gas being gravitational captured by the black hole.
description: submitted to ApJ Letters
KOMMENTAAR: IMPLIKASIES VAN TARIFERING VIR DIE VRYSTAATSE LANDBOU
COMMENT: IMPLICATIONS OF TARIFF7CATION FOR FREE STATE AGRICULTURE
Creators: name: Coetzee, Koos
name: Coetzee, Koos
Publisher: name: Unknown
Year: 1996
Subjects: Agricultural and Food Policy

description: According to Potgieter and Van der Vyver(1995) existing import tariffs provide adequate protection against imports, with the result that the abolition of quantitative import control will not impact heavily on the dairy industry This article shows that import tariffs did not restrict imports of dairy products. The main reason for this was the high levels of subsidisation of dairy products in especially the EU. If the domestic milk producer and the dairy industry are not protected against subsidised imports the industry will experience serious problems despite its efficiency.
Feature Extraction for Hyperspectral Imagery: The Evolution from Shallow to Deep (Overview and Toolbox)
Creators: name: Rasti, Behnood
name: Hong, Danfeng
name: Hang, Renlong
name: Ghamisi, Pedram
name: Kang, Xudong
name: Chanussot, Jocelyn
name: Benediktsson, Jon Atli
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Hyperspectral images provide detailed spectral information through hundreds of (narrow) spectral channels (also known as dimensionality or bands) with continuous spectral information that can accurately classify diverse materials of interest. The increased dimensionality of such data makes it possible to significantly improve data information content but provides a challenge to the conventional techniques (the so-called curse of dimensionality) for accurate analysis of hyperspectral images. Feature extraction, as a vibrant field of research in the hyperspectral community, evolved through decades of research to address this issue and extract informative features suitable for data representation and classification. The advances in feature extraction have been inspired by two fields of research, including the popularization of image and signal processing as well as machine (deep) learning, leading to two types of feature extraction approaches named shallow and deep techniques. This article outlines the advances in feature extraction approaches for hyperspectral imagery by providing a technical overview of the state-of-the-art techniques, providing useful entry points for researchers at different levels, including students, researchers, and senior researchers, willing to explore novel investigations on this challenging topic. In more detail, this paper provides a bird's eye view over shallow (both supervised and unsupervised) and deep feature extraction approaches specifically dedicated to the topic of hyperspectral feature extraction and its application on hyperspectral image classification. Additionally, this paper compares 15 advanced techniques with an emphasis on their methodological foundations in terms of classification accuracies. Furthermore, the codes and libraries are shared at https://github.com/BehnoodRasti/HyFTech-Hyperspectral-Shallow-Deep-Feature-Extraction-Toolbox.
Life cycle assessment of Chemistry building South wing
Creators: name: Zhang, Wendi
Publisher: name: The University of British Columbia
Year: 2015

description: This report is the Life Cycle Assessment associated focus on the building’s materials in production stage and construction stage for Chemistry building South wing in The University of British Columbia. The Chemistry building South wing located in 2036 Main Mall, Vancouver, British Columbia, Canada, designed and built in 1958 to 63, cost around $1,659,665. All of the data collected was taken from structural and architectural drawings. Data adjustments and development are done by using programs called On-Screen Takeoff Pro and Athena Impact Estimator 4.2. Athena LCA database and US LCI database used as the Data Source. TRACI by US EPA used to calculate the midpoint impact to endpoint impact. Estimating Models were sorted following CIQS format into level 3 elements. The outcome of study shows among all environmental impacts, Fossil Fuel Consumption is the hotspot in production stage and construction stage. A22 Upper Floor Construction and A32 Roof construction elements are consume the most fossil fuel. Compared with the benchmark of UBC building, the emissions in production stage and construction stage of Chemistry building South wing are also higher than the average, which means there could be more environmental friendly material could be used as alternative option. Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”
Origin of pressure-induced insulator-to-metal transition in the van der Waals compound FePS3 from first-principles calculations
Creators: name: Evarestov, R. A.
name: Kuzmin, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Pressure-induced insulator-to-metal transition (IMT) has been studied in the van der Waals compound iron thiophosphate (FePS3) using first-principles calculations within the periodic linear combination of atomic orbitals method with hybrid Hartree-Fock-DFT B3LYP functional. Our calculations reproduce correctly the IMT at ~15 GPa, which is accompanied by a reduction of the unit cell volume and of the vdW gap. We found from the detailed analysis of the projected density of states that the 3p states of phosphorus atoms contribute significantly at the bottom of the conduction band. As a result, the collapse of the band gap occurs due to changes in the electronic structure of FePS3 induced by relative displacements of phosphorus or sulfur atoms along the c-axis direction under pressure.
Additional file 1 of Comparing hemoglobin distributions between population-based surveys matched by country and time
Creators: name: Hruschka, Daniel J.
name: Williams, Anne M.
name: Zuguo Mei
name: Leidman, Eva
name: Suchdev, Parminder S.
name: Young, Melissa F.
name: Sorrel Namaste
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Computational Biology

description: Additional file 1: Table S1. Percentage of sampled households with hemoglobin measurements. Table S2. Correlations of unweighted and survey-weighted estimates of key variables. Figure S2. Mean hemoglobin concentration by country and survey type (a) children and (b) women.
Minisuperspace Model for Revised Canonical Quantum Gravity
Creators: name: Montani, Giovanni
Publisher: name: arXiv
Year: 2004
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We present a reformulation of the canonical quantization of gravity, as referred to the minisuperspace; the new approach is based on fixing a Gaussian (or synchronous) reference frame and then quantizing the system via the reconstruction of a suitable constraint; then the quantum dynamics is re-stated in a generic coordinates system and it becomes dependent on the lapse function. The analysis follows a parallelism with the case of the non-relativistic particle and leads to the minisuperspace implementation of the so-called {\em kinematical action} as proposed in \cite{M02} (here almost coinciding also with the approach presented in \cite{KT91}). The new constraint leads to a Schrödinger equation for the system. i.e. to non-vanishing eigenvalues for the super-Hamiltonian operator; the physical interpretation of this feature relies on the appearance of a ``dust fluid'' (non-positive definite) energy density, i.e. a kind of ``materialization'' of the reference frame. As an example of minisuperspace model, we consider a Bianchi type IX Universe, for which some dynamical implications of the revised canonical quantum gravity are discussed. We also show how, on the classical limit, the presence of the dust fluid can have relevant cosmological issues. Finally we upgrade our analysis by its extension to the generic cosmological solution, which is performed in the so-called long-wavelength approximation. In fact, near the Big-Bang, we can neglect the spatial gradients of the dynamical variables and arrive to implement, in each space point, the same minisuperspace paradigm valid for the Bianchi IX model.
description: 16 pages, no figures, to appear on International Journal of Modern Physics D
Reynoutria japonica Houtt.
Creators: name: Wijnands, Dirk Onno
name: Heniger, Johannes
name: Veldkamp, Jan Frederik
name: Fumeaux, Nicolas
name: Callmander, Martin W.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Caryophyllales
Polygonaceae
Reynoutria
Reynoutria japonica

description: 96. Reynoutria japonica Houtt.,
Nat. Hist. II(8): Aanwyz. Plaat. [3], 640, tab. 51, fig. 1. 1777.
≡ Fallopia japonica (Houtt.) Ronse Decr. in Bot. J. Linn. Soc. 98: 369. 1988.
Lectotypus (designated here by Callmander): JAPAN: Thunberg s.n. (G-PREL [G00818124]!) (Fig. 11).
Notes. – The only specimen representing original material collected by Thunberg is in the Japan herbarium in G-PREL. It is designated here as the lectotype (Fig. 11). It is a good match for the plate.
description: Published as part of Wijnands, Dirk Onno, Heniger, Johannes, Veldkamp, Jan Frederik, Fumeaux, Nicolas & Callmander, Martin W., 2017, The botanical legacy of Martinus Houttuyn (1720 - 1798) in Geneva, pp. 155-198 in Candollea 72 (1) on pages 187-189, DOI: 10.15553/c2017v721a11, http://zenodo.org/record/5721887
Boosting rare benthic macroinvertebrates taxa identification with one-class classification
Creators: name: Sohrab, Fahad
name: Raitoharju, Jenni
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: Image and Video Processing (eess.IV)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Insect monitoring is crucial for understanding the consequences of rapid ecological changes, but taxa identification currently requires tedious manual expert work and cannot be scaled-up efficiently. Deep convolutional neural networks (CNNs), provide a viable way to significantly increase the biomonitoring volumes. However, taxa abundances are typically very imbalanced and the amounts of training images for the rarest classes are simply too low for deep CNNs. As a result, the samples from the rare classes are often completely missed, while detecting them has biological importance. In this paper, we propose combining the trained deep CNN with one-class classifiers to improve the rare species identification. One-class classification models are traditionally trained with much fewer samples and they can provide a mechanism to indicate samples potentially belonging to the rare classes for human inspection. Our experiments confirm that the proposed approach may indeed support moving towards partial automation of the taxa identification task.
description: 5 pages, 1 figure, 2 tables
The scalar glueball spectrum
Creators: name: Vento, Vicente
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss scenarios for scalar glueballs using arguments based on sum rules, spectral decomposition, the $\frac{1}{N_c}$ approximation, the scales of the strong interaction and the topology of the flux tubes. We analyze the phenomenological support of those scenarios and their observational implications. Our investigations hint a rich low lying glueball spectrum.
description: 11 pages: New title, figure, table and a more detailed comparison with experiments
Presentation : Accounting and Profit Management records in banking companies during the Covid-19 pandemic
Creators: name: Kartikasari, Evi Dwi
name: Mahmudah, Annita
name: Aranta Prista Dilasari
name: Arfiana Dewi
name: Ani, Heti Nur
Publisher: name: Zenodo
Year: 2021

description: This material presented in 3rd ICIGR 2021
Three Essays on Wealth and Racial Inequality
Creators: name: Lefebvre, Stephan
Publisher: name: American University
Year: 2023

description: Racial inequality and wealth are inextricably linked. Wealth gaps are an important dimension of racial inequality. In addition, wealth itself plays a causal role in other dimensions of inequality, including unequal labor market and education outcomes. In the first essay, I estimate the effect of access to extended family wealth on college enrollment and I find a positive relationship. This is important for higher education policies that aim to reduce inequality but fail to account for race and wealth. In the second essay, I estimate the effect of Medicaid on individual assets. Whereas economic theory in the literature predicts a negative effect, I develop a framework that shows how public insurance can increase savings and I present empirical evidence against a negative effect. Finally, the third essay develops an analytical framework called Latinx stratification economics by reviewing the main economic theories applied to Latinxs and demonstrating how stratification economics and Latinx studies may be used to critique the dominant theories.
Learning reaction coordinates via cross-entropy minimization: Application to alanine dipeptide
Creators: name: Mori, Yusuke
name: Okazaki, Kei-ichi
name: Mori, Toshifumi
name: Kim, Kang
name: Matubayasi, Nobuyuki
Publisher: name: arXiv
Year: 2020
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We propose a cross-entropy minimization method for finding the reaction coordinate from a large number of collective variables in complex molecular systems. This method is an extension of the likelihood maximization approach describing the committor function with a sigmoid. By design, the reaction coordinate as a function of various collective variables is optimized such that the distribution of the committor $p_\mathrm{B}^*$ values generated from molecular dynamics simulations can be described in a sigmoidal manner. We also introduce the $L_2$-norm regularization used in the machine learning field to prevent overfitting when the number of considered collective variables is large. The current method is applied to study the isomerization of alanine dipeptide in vacuum, where 45 dihedral angles are used as candidate variables. The regularization parameter is determined by cross-validation using training and test datasets. It is demonstrated that the optimal reaction coordinate involves important dihedral angles, which are consistent with the previously reported results. Furthermore, the points with $p_\mathrm{B}^*\sim 0.5$ clearly indicate a separatrix distinguishing reactant and product states on the potential of mean force using the extracted dihedral angles.
description: 8 pages, 5 figures, 1 table for main text, 5 pages for supplementary materials, to appear in J. Chem. Phys. for "Classical Molecular Dynamics (MD) Simulations: Codes, Algorithms, Force Fields, and Applications"
Three Essays on Wealth and Racial Inequality
Creators: name: Lefebvre, Stephan
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 38
subject: Economics

description: Racial inequality and wealth are inextricably linked. Wealth gaps are an important dimension of racial inequality. In addition, wealth itself plays a causal role in other dimensions of inequality, including unequal labor market and education outcomes. In the first essay, I estimate the effect of access to extended family wealth on college enrollment and I find a positive relationship. This is important for higher education policies that aim to reduce inequality but fail to account for race and wealth. In the second essay, I estimate the effect of Medicaid on individual assets. Whereas economic theory in the literature predicts a negative effect, I develop a framework that shows how public insurance can increase savings and I present empirical evidence against a negative effect. Finally, the third essay develops an analytical framework called Latinx stratification economics by reviewing the main economic theories applied to Latinxs and demonstrating how stratification economics and Latinx studies may be used to critique the dominant theories.
Universal visibility patterns of unimodal maps
Creators: name: Nuño, Juan Carlos
name: Muñoz, Francisco J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We explore the order in chaos by studying the geometric structure of time series that can be deduced from a visibility mapping. This visibility mapping associates to each point $(t,x(t))$ of the time series to its horizontal visibility basin, i.e. the number of points of the time series that can be seen horizontally from each respective point. We apply this study to the class of unimodal maps that give rise to equivalent bifurcation diagrams. We use the classical logistic map to illustrate the main results of this paper: there are visibility patterns in each cascade of the bifurcation diagram, converging at the onset of chaos. The visibility pattern of a periodic time series is generated from elementary blocks of visibility in a recursive way. This rule of recurrence applies to all periodic-doubling cascades. Within a particular window, as the growth parameter $r$ varies and each period doubles, these blocks are recurrently embedded forming the visibility pattern for each period. In the limit, at the onset of chaos, an infinite pattern of visibility appears containing all visibility patterns of the periodic time series of the cascade. We have seen that these visibility patterns have specific properties: (i) the size of the elementary blocks depends on the period of the time series, (ii) certain time series sharing the same periodicity can have different elementary blocks and, therefore, different visibility patterns, (iii) since the 2-period and 3-period windows are unique, the respective elementary blocks, $ \{2\} $ and $ \{2 \, 3\}$, are also unique and thus, their visibility patterns. We explore the visibility patterns of other low-periodic time series and also enumerate all elementary blocks of each of their periodic windows. All of these visibility patterns are reflected in the corresponding accumulation points at the onset of chaos, where periodicity is lost.
description: 13 pages and 5 figures
Super, quantum and non-commutative species
Creators: name: Diaz, Rafael
name: Pariguan, Eddy
Publisher: name: arXiv
Year: 2005
Subjects: subject: Category Theory (math.CT)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We introduce an approach to the categorification of rings, via the notion of distributive categories with negative objects, and use it to lay down categorical foundations for the study of super, quantum and non-commutative combinatorics. Via the usual duality between algebra and geometry, these constructions provide categorifications for various types of affine spaces, thus our works may be regarded as a starting point towards the construction of a categorical geometry.
description: 43 pages, 12 figures
Explosive Dark Matter Annihilation
Creators: name: Hisano, Junji
name: Matsumoto, Shigeki
name: Nojiri, Mihoko M.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: If the Dark Matter (DM) in the Universe has interactions with the standard-model particle, the pair annihilation may give the imprints in the cosmic ray. In this paper we study the pair annihilation processes of the DM, which is neutral, however has the electroweak (EW) gauge non-singlet. In this estimation the non-relativistic (NR) effective theory in the EW sector is a suitable technique. We find that if the DM mass is larger than about 1 TeV, the attractive Yukawa potentials induced by the EW gauge bosons have significant effects on the DM annihilation processes, and the cross sections may be enhanced by several orders of magnitude, due to the zero energy resonance under the potentials. Especially, the annihilation to two $γ$'s might have a comparable cross section to other tree-level processes, while the cross section under the conventional calculation is suppressed by a loop factor. We also discuss future sensitivities to the $γ$ ray from the galactic center by the GLAST satellite detector and the Air Cerenkov Telescope (ACT) arrays.
description: 5 pages, 6 Postscript figures, revtex
Ruellia ringens sensu Houtt.
Creators: name: Wijnands, Dirk Onno
name: Heniger, Johannes
name: Veldkamp, Jan Frederik
name: Fumeaux, Nicolas
name: Callmander, Martin W.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Acanthaceae
Ruellia
Ruellia ringens

description: 97. Ruellia ringens sensu Houtt.,
Nat. Hist. II(9): Aanwyz. Plaat. [4], 577, tab. 59, fig. 2. 1778 [non R. ringens L.].
= Ruellia erecta Burm. f., Fl. Indica: 135, tab. 41, fig. 3. 1768. ≡ Hygrophila erecta (Burm. f.) Hochr. in Candollea 5: 230. 1934.
Lectotypus (designated here by Callmander & Fumeaux): INDIA: Anon. s.n. (G-PREL [G00818109]!).
= Ruellia repens Burm. f., Fl. Indica: 235, tab. 67, fig. 2 [err. typ. fig. 1]. 1768 [non R. repens L.].
Lectotypus (designated here by Fumeaux & Callmander): INDONESIA. Java: Kleynhoff s.n. (G-PREL [G00818155]!).
Notes. – HOCHREUTINER (1934: 230) transferred Ruellia erecta to Hygrophyla R. Br. and explained that Ruellia repens Burm. f. [non R. repens L.] should be considered as a synonym of H. erecta. Two specimens with the handwriting of Burman f. are present in G-PREL, each of which is designated here as lectotypes: a Kleynhoff collection from Java [G00818155] and a second sheet from an anonymous collector [G00818109], determined by Burman f. as R. erecta. Three collections exist in the Java herbarium annotated by Houttuyn, respectively, as “ Ruellia erecta ” [G00818108], “ Ruellia repens Burm. ” [G00818111], and “ Ruellia ringens L.” [G00818110]. Thunberg collected the latter two, referring both to Hygrophila erecta.
description: Published as part of Wijnands, Dirk Onno, Heniger, Johannes, Veldkamp, Jan Frederik, Fumeaux, Nicolas & Callmander, Martin W., 2017, The botanical legacy of Martinus Houttuyn (1720 - 1798) in Geneva, pp. 155-198 in Candollea 72 (1) on page 189, DOI: 10.15553/c2017v721a11, http://zenodo.org/record/5721887
Neural and Computational Mechanisms of Cognitive Flexibility
Creators: name: Swanson, T. Kyra
Publisher: name: American University
Year: 2023

description: Recent studies have used one-trial-back decision policies (Win-Stay/Lose-Shift) and measures of reinforcement learning (RL, e.g. learning rate) to explain decision-making in two-armed bandit tasks. In many of these studies, outcomes reverse after one option is selected repeatedly (e.g. 8 in a row), and the primary measure of performance is the number of reversals completed. However, a confound exists between the number of reversals and Win-Stay likelihood. An alternative design reverses cue- or action-outcome associations over fixed blocks of trials. We used this blocked design and tested rats in a spatial two-armed bandit task. We analyzed choice behavior as a function of reward certainty and using Win-Stay/Lose-Shift (WSLS) metrics and Q-learning, an RL algorithm. We found that WSLS policies remain stable with increasing reward uncertainty, while choice accuracy decreases. Within test sessions, learning rates increased as rats adapted their strategies over the first few reversals but inverse temperature, a measure of choice randomness, remained stable. The OFC is commonly implicated in reversal learning, and we found that muscimol inactivation of the medial orbital cortex (mOFC) increased perseveration toward the previously best option and decreased negative feedback sensitivity. We then examined the role of noradrenaline neurotransmission in bandit performance and found yohimbine (2mg/kg) decreased rats’ sensitivity to positive feedback, leading to decreases in accuracy and increase in choice randomness. These effects are partially dependent on α2-noradrenergic receptors in OFC. Finally, we demonstrate a correspondence between reward schedule, WSLS policies and RL metrics in a task design that is free of the confound between Wins and reversals, and that the noradrenergic influence of mOFC on WSLS policy is dissociable from the region’s general role in cognitive flexibility.
Neural and Computational Mechanisms of Cognitive Flexibility
Creators: name: Swanson, T. Kyra
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 52
subject: Psychology
subject: FOS: Psychology
classificationCode: 5204
subject: Cognitive and computational psychology

description: Recent studies have used one-trial-back decision policies (Win-Stay/Lose-Shift) and measures of reinforcement learning (RL, e.g. learning rate) to explain decision-making in two-armed bandit tasks. In many of these studies, outcomes reverse after one option is selected repeatedly (e.g. 8 in a row), and the primary measure of performance is the number of reversals completed. However, a confound exists between the number of reversals and Win-Stay likelihood. An alternative design reverses cue- or action-outcome associations over fixed blocks of trials. We used this blocked design and tested rats in a spatial two-armed bandit task. We analyzed choice behavior as a function of reward certainty and using Win-Stay/Lose-Shift (WSLS) metrics and Q-learning, an RL algorithm. We found that WSLS policies remain stable with increasing reward uncertainty, while choice accuracy decreases. Within test sessions, learning rates increased as rats adapted their strategies over the first few reversals but inverse temperature, a measure of choice randomness, remained stable. The OFC is commonly implicated in reversal learning, and we found that muscimol inactivation of the medial orbital cortex (mOFC) increased perseveration toward the previously best option and decreased negative feedback sensitivity. We then examined the role of noradrenaline neurotransmission in bandit performance and found yohimbine (2mg/kg) decreased rats’ sensitivity to positive feedback, leading to decreases in accuracy and increase in choice randomness. These effects are partially dependent on α2-noradrenergic receptors in OFC. Finally, we demonstrate a correspondence between reward schedule, WSLS policies and RL metrics in a task design that is free of the confound between Wins and reversals, and that the noradrenergic influence of mOFC on WSLS policy is dissociable from the region’s general role in cognitive flexibility.
Presentation : The Role of Job Training and Innovation on the Work Productivity of UKM Batik Seng, Sengguruh Village, Malang Regency
Creators: name: Siswati, Aris
name: Boge Triatmanto
name: Sanusi, Anwar
Publisher: name: Zenodo
Year: 2021

description: This material presented in 3rd ICIGR 2021
Additional file 1 of The stringent response regulator (p) ppGpp mediates virulence gene expression and survival in Erwinia amylovora
Creators: name: Ho-Wen Yang
name: Menghao Yu
name: Lee, Jae Hoon
name: Tiyakhon Chatnaparat
name: Zhao, Youfu
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 1: Table S1. List of differentially expressed genes (DEGs) of (p) ppGpp0 versus Ea1189.
Semiclassical Study of Baryon and Lepton Number Violation in High-Energy Electroweak Collisions
Creators: name: Bezrukov, F.
name: Levkov, D.
name: Rebbi, C.
name: Rubakov, V.
name: Tinyakov, P.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We make use of a semiclassical method for calculating the suppression exponent for topology changing transitions in high-energy electroweak collisions. In the Standard Model these processes are accompanied by violation of baryon and lepton number. By using a suitable computational technique we obtain results for s-wave scattering in a large region of initial data. Our results show that baryon and lepton number violation remains exponentially suppressed up to very high energies of at least 30 sphaleron masses (250 TeV). We also conclude that the known analytic approaches inferred from low energy expansion provide reasonably good approximations up to the sphaleron energy (8 TeV) only.
description: 23 pages, 18 figures. Phys.Rev.D journal version (two references added)
Experimental realization of local-to-global noise transition in a two-qubit optical simulator
Creators: name: Benedetti, Claudia
name: Vento, Valeria
name: Olivares, Stefano
name: Paris, Matteo G. A.
name: Cialdi, Simone
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We demonstrate the transition from local to global noise in a two-qubit all-optical quantum simulator subject to classical random fluctuations. Qubits are encoded in the polarization degree of freedom of two entangled photons generated by parametric down-conversion (PDC) while the environment is implemented using their spatial degrees of freedom. The ability to manipulate with high accuracy the number of correlated pixels of a spatial-light-modulator and the spectral PDC width, allows us to control the transition from a scenario where the qubits are embedded in local environments to the situation where they are subject to the same global noise. We witness the transition by monitoring the decoherence of the two-qubit state.
description: 5 pages+ 3 (Suppl. material)
Additional file 1 of Incidence and influence of prosthesis-patient mismatch after reoperative aortic valve replacement: a retrospective single-center study
Creators: name: Tsubota, Hideki
name: Genichi Sakaguchi
name: Marui, Akira
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Science Policy
subject: Plant Biology

description: Additional file 1 : Supplemental Table 1. Valve size and EOA of explanted and implanted valves in repeat aortic valve replacement.
Rumex japonicus Houtt.
Creators: name: Wijnands, Dirk Onno
name: Heniger, Johannes
name: Veldkamp, Jan Frederik
name: Fumeaux, Nicolas
name: Callmander, Martin W.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Caryophyllales
Polygonaceae
Rumex
Rumex japonicus

description: 98. Rumex japonicus Houtt.,
Nat. Hist. II(8): Aanwyz. Plaat.[2], 394, tab. 47, fig. 2. 1777.
Lectotypus (designated here by Wijnands): JAPAN: Thunberg s.n. (G-PREL [G00818079]!).
Notes. – The only specimen representing original material in the Japan herbarium is designated here as lectotype. It is annotated by Houttuyn as “ Rumex dentatus L.?” Houttuyn noted on the sheet that the fruit was drawn for Nat. Hist. II (8): tab. 47, fig. 2. No duplicate has been found in UPS-THUNB.
description: Published as part of Wijnands, Dirk Onno, Heniger, Johannes, Veldkamp, Jan Frederik, Fumeaux, Nicolas & Callmander, Martin W., 2017, The botanical legacy of Martinus Houttuyn (1720 - 1798) in Geneva, pp. 155-198 in Candollea 72 (1) on page 189, DOI: 10.15553/c2017v721a11, http://zenodo.org/record/5721887
Additional file 2 of Case-studies of displacement effects in Dutch hospital care
Creators: name: Wammes, Joost Johan Godert
name: Frederix, Geert
name: Govaert, Paulien
name: Domino Determann
name: Evers, Silvia
name: Paulus, Aggie
name: Stadhouders, Niek
name: Jeurissen, Patrick
name: Wija Oortwijn
name: Adang, Eddy M. M.
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: Medicine
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 2. Results of the case-studies
ATLAS Deliverable 7.7: Policy brief "Policy opportunities and challenges for Blue Growth"
Creators: name: Tinch, R
name: Boschen-Rose, R
name: Adelaide Ferreira, M
name: Johnson, D
Publisher: name: Zenodo
Year: 2021

description: Executive Summary
 Blue Growth is the expanding but sustainable use of ocean resources for economic growth, improved livelihoods
 and ocean ecosystem health. Blue Growth is expected to increase across all sectors in the North Atlantic over the
 next decade, involving new activities and additional locations for existing activities. Coordinating these activities
 and ensuring sustainability can present significant challenges. The potential for collaboration across Blue Economy
 sectors to enhance synergies and avoid conflicts is central to effective marine spatial planning.
 Well-managed Blue Growth could make important contributions towards achieving United Nations Sustainable
 Development Goals (SDGs) including SDG2: Zero Hunger; SDG7: Affordable and Clean Energy; SDG8: Decent Work
 and Economic Growth, and SDG14: a healthy marine environment.
 Improved science and technology are key to ensuring that Blue Growth is sustainable, particularly in the face of
 changing climatic and marine conditions. Greater integration between marine sectors is being actively fostered
 through several ongoing and newly-established initiatives, including the United Nations’ ‘Decade of Ocean
 Science for Sustainable Development’ and a new international treaty for conservation and sustainable use of
 marine biological diversity in areas beyond national jurisdiction.
 The ATLAS project is developing a knowledge base to inform the development of international policies to ensure
 deep-sea Atlantic resources are managed effectively. This in turn will contribute to the European Commission’s
 long-term Blue Growth strategy.