cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Data-efficient Model Learning and Prediction for Contact-rich Manipulation Tasks
Creators: name: Khader, Shahbaz Abdul
name: Yin, Hang
name: Falco, Pietro
name: Kragic, Danica
Publisher: name: arXiv
Year: 2019
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: In this letter, we investigate learning forward dynamics models and multi-step prediction of state variables (long-term prediction) for contact-rich manipulation. The problems are formulated in the context of model-based reinforcement learning (MBRL). We focus on two aspects-discontinuous dynamics and data-efficiency-both of which are important in the identified scope and pose significant challenges to State-of-the-Art methods. We contribute to closing this gap by proposing a method that explicitly adopts a specific hybrid structure for the model while leveraging the uncertainty representation and data-efficiency of Gaussian process. Our experiments on an illustrative moving block task and a 7-DOF robot demonstrate a clear advantage when compared to popular baselines in low data regimes.
description: Accepted at Robotics and Automation Letters
MOESM1 of Early Neospora caninum infection dynamics in cattle after inoculation at mid-gestation with high (Nc-Spain7)- or low (Nc-Spain1H)-virulence isolates
Creators: name: Jiménez-Pelayo, Laura
name: García-Sánchez, Marta
name: Vázquez, Patricia
name: Regidor-Cerrillo, Javier
name: Horcajo, Pilar
name: Collantes-Fernández, Esther
name: Blanco-Murcia, Javier
name: Gutiérrez-Expósito, Daniel
name: Román-Trufero, Alicia
name: Osoro, Koldo
name: Benavides, Julio
name: Ortega-Mora, Luis
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Molecular Biology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 1. Materials and methods. Description of the health and reproductive handling of the cattle and the tissue DNA extraction and PCR determinations.
Delacampius parvulus Stehlík & Jindra 2008, sp. nov.
Creators: name: Stehlík, Jaroslav L.
name: Jindra, Zdeněk
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Largidae
Delacampius
Delacampius parvulus

description: Delacampius parvulus sp. nov.
(Figs. 1-2)
 Type material. HOLOTYPE: J (brachypterous), THAILAND: PHETCHABURI PROVINCE: Kaeng Krachan National Park, 300-400 m a.s.l., 17.xi.1985, D. Burckhardt & I. Löbl lgt. (MHNG).
 Description. Colouration (Fig. 1). Head, labium, antennomeres 1-3, antennomere 4 in ca. apical quarter, pronotum (except of lateral margins), scutellum, clavus, mesotergites, and legs brownish black; sternum and zygosterna blackish. Lateral pronotal margin and hypocostal lamina reddish, ventral and dorsal laterotergites vividly red, corium whitish. Corium with prominent, nearly triangular black spot with upper margin skewed anteriorly towards outer margin of corium and delimited laterally by radial vein and medially by cubital vein.
Structure. Body very small. Head in front of eyes more elongated than in other congeners; antennomere 4 stouter than antennomere 3. Callar lobe strongly gibbous, with shallow impressions in distal half; pronotal lobe flat; lateral margin between callar and pronotal lobe strongly concave; lateral margin of pronotal lobe sharp, with inconspicuous strigil. Costal margin of hemelytra very sharp with distinct strigil in form of very small, regular denticles distributed along its entire length. Corium surpassing base of mesotergite IV; lateral margins of hemelytra nearly straight; posterior margin horizontally truncated, without any rudiment of membrane; radial vein elevated.
 Pygophore (Fig. 2) similar as in D. alboarcuatus sp. nov.; its ventral two-thirds more strongly gibbous in lateral view, not divided by furrow.
Punctation. Pronotal lobe very coarsely punctate, punctation of scutellum and clavus less distinct. Corium with rows of black punctures along cubital vein; costal margin with coarse but colourless punctures; rest of corial surface with smaller, scattered black punctures.
Pilosity. Antennomeres 1-3 with coarse black pubescence; rest of body with longer, erect, white pubescence, only on mesotergites slightly shorter and more adpressed.
Measurements (all in mm). Male (holotype, brachypterous). Body length 5.26; head: length 0.86, width (including eyes) 1.13, interocular width 0.76; lengths of antennomeres: 1 – 0.86, 2 – 0.86, 3 – 0.51, 4 – 1.08; pronotum: length 1.03, width 1.67; scutellum: length 0.73, width 0.97; corium: length 1.57, width 0.97.
 Differential diagnosis. See above for differences from the closely related D. alboarcuatus sp. nov.
 Etymology. The species epithet is the Latin adjective parvulus (= minute), referring to the small size of this species.
 Distribution. Southern Thailand, Phetchaburi province.
description: Published as part of Stehlík, Jaroslav L. & Jindra, Zdeněk, 2008, New taxa of the Largidae and Pyrrhocoridae (Hemiptera: Heteroptera) from the Oriental Region, pp. 611-648 in Acta Entomologica Musei Nationalis Pragae 48 (2) on pages 614-615, DOI: 10.5281/zenodo.5341841
Data Management Plan: Accelerated design of Advanced Alloys with Reduced critical raw materials content
Creators: name: Bedoya Martinez, Natalia
name: Scheiber, Daniel
name: Materials Center Leoben (Austria)
Publisher: name: Zenodo
Year: 2024

description: Data Management Plan describing how the A3Red project will collect, process, share, and protect the data produced by the project partners, both during and after the project.
The Promise and Problems of Pricing Carbon: Theory and Experience
Creators: name: Aldy, Joseph E.
name: Stavins, Robert N.
name: Aldy, Joseph E.
name: Stavins, Robert N.
Publisher: name: Unknown
Year: 2011
Subjects: subject: Environmental Economics and Policy
subject: Global Climate Change
subject: Market-Based Instruments
subject: Carbon Pricing
subject: Carbon Taxes
subject: Cap-and-Trade
subject: Emission Reduction Credits
subject: Energy Subsidies
subject: Clean Energy Standards

description: Because of the global commons nature of climate change, international cooperation among nations will likely be necessary for meaningful action at the global level. At the same time, it will inevitably be up to the actions of sovereign nations to put in place policies that bring about meaningful reductions in the emissions of greenhouse gases. Due to the ubiquity and diversity of emissions of greenhouse gases in most economies, as well as the variation in abatement costs among individual sources, conventional environmental policy approaches, such as uniform technology and performance standards, are unlikely to be sufficient to the task. Therefore, attention has increasingly turned to market-based instruments in the form of carbon-pricing mechanisms. We examine the opportunities and challenges associated with the major options for carbon pricing: carbon taxes, cap-and-trade, emission reduction credits, clean energy standards, and fossil fuel subsidy reductions.
Efficient Estimation of Heat Kernel PageRank for Local Clustering
Creators: name: Yang, Renchi
name: Xiao, Xiaokui
name: Wei, Zhewei
name: Bhowmick, Sourav S
name: Zhao, Jun
name: Li, Rong-Hua
Publisher: name: arXiv
Year: 2019
Subjects: subject: Social and Information Networks (cs.SI)
subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: Given an undirected graph G and a seed node s, the local clustering problem aims to identify a high-quality cluster containing s in time roughly proportional to the size of the cluster, regardless of the size of G. This problem finds numerous applications on large-scale graphs. Recently, heat kernel PageRank (HKPR), which is a measure of the proximity of nodes in graphs, is applied to this problem and found to be more efficient compared with prior methods. However, existing solutions for computing HKPR either are prohibitively expensive or provide unsatisfactory error approximation on HKPR values, rendering them impractical especially on billion-edge graphs. In this paper, we present TEA and TEA+, two novel local graph clustering algorithms based on HKPR, to address the aforementioned limitations. Specifically, these algorithms provide non-trivial theoretical guarantees in relative error of HKPR values and the time complexity. The basic idea is to utilize deterministic graph traversal to produce a rough estimation of exact HKPR vector, and then exploit Monte-Carlo random walks to refine the results in an optimized and non-trivial way. In particular, TEA+ offers practical efficiency and effectiveness due to non-trivial optimizations. Extensive experiments on real-world datasets demonstrate that TEA+ outperforms the state-of-the-art algorithm by more than four times on most benchmark datasets in terms of computational time when achieving the same clustering quality, and in particular, is an order of magnitude faster on large graphs including the widely studied Twitter and Friendster datasets.
description: The technical report for the full research paper accepted in the SIGMOD 2019
Additional file 1: of Adherence to antihypertensive medication in Russia: a scoping review of studies on levels, determinants and intervention strategies published between 2000 and 2017
Creators: name: Bochkareva, Elena
name: Butina, Ekaterina
name: Kim, Irina
name: Kontsevaya, Anna
name: Drapkina, Oxana
name: Leon, David
name: McKee, Martin
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Science Policy

description: Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) Checklist. (DOCX 26 kb)
Oxygen abundances in dwarf irregular galaxies and the metallicity - luminosity relationship
Creators: name: Pilyugin, L. S.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The low-luminosity dwarf irregular galaxies are considered. The oxygen abundances in HII regions of dwarf irregular galaxies were recalculated from published spectra through the recently suggested P - method. It has been found that the metallicity of low-luminosity dwarf irregular galaxies, with a few exceptions, correlates well with galaxy luminosity. The dispersion of oxygen abundances around the metallicity - luminosity relationship increases with decreasing of galaxy luminosity, as was found by Richer and McCall (1995). No relationship between the oxygen abundance and the absolute magnitude in the blue band for irregular galaxies obtained by Hidalgo-Gamez and Olofsson (1998) can be explained by the large uncertainties in the oxygen abundances derived through the Te - method, that in turn can be explained by the large uncertainties in the measurements of the strengths of the weak oxygen line [OIII]4363 used in the Te - method.
description: 9 pages, 5 figures, accepted for publication in Astronomy and Astrophysics
An Evaluation of Overseas Oil Investment Projects under Uncertainty Using a Real Options Based Simulation Model
Creators: name: Zhu, Lei
name: Zhang, ZhongXiang
name: Fan, Ying
name: Zhu, Lei
name: Zhang, ZhongXiang
name: Fan, Ying
Publisher: name: Unknown
Year: 2011
Subjects: subject: Resource /Energy Economics and Policy
subject: Overseas Oil Investment
subject: Project Value
subject: Real Options
subject: Least Squares Monte-Carlo

description: This paper applies real options theory to establish an overseas oil investment evaluation model that is based on Monte Carlo simulation and is solved by the Least Squares Monte-Carlo method. To better reflect the reality of overseas oil investment, our model has incorporated not only the uncertainties of oil price and investment cost but also the uncertainties of exchange rate and investment environment. These unique features have enabled our model to be best equipped to evaluate the value of oil overseas investment projects of three oil field sizes (large, medium, small) and under different resource tax systems (royalty tax and production sharing contracts). In our empirical setting, we have selected China as an investor country and Indonesia as an investee country as a case study. Our results show that the investment risks and project values of small sized oil fields are more sensitive to changes in the uncertainty factors than the large and medium sized oil fields. Furthermore, among the uncertainty factors considered in the model, the investment risk of overseas oil investment may be underestimated if no consideration is given of the impacts of exchange rate and investment environment. Finally, as there is an important trade-off between oil resource investee country and overseas oil investor, in medium and small sized oil investment negotiation the oil company should try to increase the cost oil limit in production sharing contract and avoid the term of a windfall profits tax to reduce the investment risk of overseas oil fields.
Master's thesis recital (piano)
Creators: name: Jeong, Jieun
Publisher: name: The University of Texas at Austin
Year: 2021
Subjects: Suites (Piano)
Piano music

description: Suite no. 4, E-flat major, BWV 815 (1722-25) / Johann Sebastian Bach -- Etudes, L. 136 (1915). Pour les huit doigts ; Pour les degrés chromatiques ; Pour les arpèges composes / Claude Debussy -- Humoreske : op. 20 (1839) / Robert Schumann
MHD Turbulence: Scaling Laws and Astrophysical Implications
Creators: name: Cho, Jungyeon
name: Lazarian, A.
name: Vishniac, Ethan
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: Geophysics (physics.geo-ph)
subject: Plasma Physics (physics.plasm-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: Turbulence is the most common state of astrophysical flows. In typical astrophysical fluids, turbulence is accompanied by strong magnetic fields, which has a large impact on the dynamics of the turbulent cascade. Recently, there has been a significant breakthrough on the theory of magnetohydrodynamic (MHD) turbulence. For the first time we have a scaling model that is supported by both observations and numerical simulations. We review recent progress in studies of both incompressible and compressible turbulence. We compare Iroshnikov-Kraichnan and Goldreich-Sridhar models, and discuss scalings of Alfvén, slow, and fast waves. We also discuss the completely new regime of MHD turbulence that happens below the scale at which hydrodynamic turbulent motions are damped by viscosity. In the case of the partially ionized diffuse interstellar gas the viscosity is due to neutrals and truncates the turbulent cascade at $\sim$parsec scales. We show that below this scale magnetic fluctuations with a shallow spectrum persist and discuss the possibility of a resumption of the MHD cascade after ions and neutrals decouple. We discuss the implications of this new insight into MHD turbulence for cosmic ray transport, grain dynamics, etc., and how to test theoretical predictions against observations.
description: review, 43 pages, 28 figures, submitted to "Simulations of magnetohydrodynamic turbulence in astrophysics" Eds. T. Passot & E. Falgarone (Springer Lecture Notes in Physics)
Helenus White 1879
Creators: name: Heiss, Ernst
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Aradidae
Helenus

description: Genus Helenus White, 1879
Type species: Helenus hesiformis White, 1879: 85
General appearance, habitus and size of Helenus is very close to that of the Neotropical genus Hesus Stål, 1862, both distributed in South- and Central America. Usinger & Matsuda, 1959 published detailed redescriptions of both genera (Hesus p. 368; Helenus p. 369) which need not to be repeated here.
The distinguishing characters are given in their key for the “American Genera of Mezirinae ” p. 203 as follows:
• Body covered with shaggy, erect pubescence. Pronotum without anterolateral lobes. Head without rounded postocular lobes = Helenus White
• Body not pubescent. Pronotum with brief anterolateral lobes bent inward to anterior collar. Head with rounded postocular lobes. = Hesus Stål
The most recent summaries of published records of these genera are given by Heiss, 2009 (Review of Hesus) and Coscaron & Contreras, 2012 (Catalog of the Aradidae for the Neotropical Region).
Key to species of Helenus
1 (4) Body surface covered with dense shaggy pubescence consisting of shorter yellowish adpressed hairs intermixed with longer erect setae; pe-angles of lateral margins of deltg II–VI not or inconspicuously protruding (Figs.1,6,7).................. 2
2 (3) Pilosity generally more dense, exposed part of male pygophore wide and conical posteriorly, its median dorsal elevation anteriorly depressed along longitudinal suture, raised laterally (Fig.8), parameres more slender (Fig.11)....... hesiformis White
3 (2) Pilosity generally less dense, exposed part of male pygophore wide and truncate posteriorly, its median dorsal elevation keellike (Fig.10), parameres with wider body (Fig.13)................................................. wachteli n. sp.
4 (1) Body surface granulate, yellowish adpressed hairs intermixed with erect setae less dense and more dispersed; pe-angles of lateral margins of deltg II–VI distinctly protruding (Fig.2); (exposed part of male pygophore triangular narrowly conical posteriorly, median dorsal elevation keel-like (Fig.9), parameres slender (Fig.12))......................... hirsutus Champion
Note: Because of variable colouration, size and density of pilosity, females of hesiformis and wachteli n. sp. can not presently be separated with certainty. The male genitalic structures are distinctive for the three species.
description: Published as part of Heiss, Ernst, 2016, Review of the Neotropical genus Helenus White, 1879, with description of a new species (Hemiptera: Heteroptera: Aradidae), pp. 555-562 in Zootaxa 4088 (4) on page 556, DOI: 10.11646/zootaxa.4088.4.6, http://zenodo.org/record/255979
Land Conversion Pace under Uncertainty and Irreversibility: too fast or too slow?
Creators: name: Di Corato, Luca
name: Moretto, Michele
name: Vergalli, Sergio
name: Di Corato, Luca
name: Moretto, Michele
name: Vergalli, Sergio
Publisher: name: Unknown
Year: 2011
Subjects: subject: Risk and Uncertainty
subject: Optimal Stopping
subject: Deforestation
subject: Payments for Environmental Services
subject: Natural Resources Management

description: In this paper stochastic dynamic programming is used to investigate land conversion decisions taken by a multitude of landholders under uncertainty about the value of environmental services and irreversible development. We study land conversion under competition on the market for agricultural products when voluntary and mandatory measures are combined by the Government to induce adequate participation in a conservation plan. We study the impact of uncertainty on the optimal conversion policy and discuss conversion dynamics under different policy scenarios on the basis of the relative long-run expected rate of deforestation. Interestingly, we show that uncertainty, even if it induces conversion postponement in the short-run, increases the average rate of deforestation and reduces expected time for total conversion in the long run. Finally, we illustrate our findings through some numerical simulations.
The Environmental Kuznets Curve: Tipping Points, Uncertainty and Weak Identification
Creators: name: Bernard, Jean-Thomas
name: Gavin, Michael
name: Khalaf, Lynda
name: Voia, Marcel
name: Bernard, Jean-Thomas
name: Gavin, Michael
name: Khalaf, Lynda
name: Voia, Marcel
Publisher: name: Unknown
Year: 2011
Subjects: subject: Environmental Economics and Policy
subject: Environmental Kuznets Curve
subject: Fieller method
subject: Delta method
subject: CO2 and SO2 emissions
subject: Confidence set
subject: Tipping point
subject: Climate policy

description: We consider an empirical estimation of the Environmental Kuznets Curve (EKC) for carbon dioxide and sulphur, with a focus on confidence set estimation of the tipping point. Various econometric – parametric and nonparametric – methods are considered, reflecting the implications of persistence, endogeneity, the necessity of breaking down our panel regionally, and the small number of countries within each panel. In particular, we propose an inference method that corrects for potential weak-identification of the tipping point. Weak identification may occur if the true EKC is linear while a quadratic income term is nevertheless imposed into the estimated equation. Relevant literature to date confirms that non-linearity of the EKC is indeed not granted, which provides the motivation for our work. Viewed collectively, our results confirm an inverted U-shaped EKC in the OECD countries but generally not elsewhere, although a local-pollutant analysis suggest favorable exceptions beyond the OECD. Our measures of uncertainty confirm that it is difficult to identify economically plausible tipping points. Policy-relevant estimates of the tipping point can nevertheless be recovered from a local-pollutant long-run or non-parametric perspective.
Determinants of participation in child’s education and alternative activities in Pakistan
Creators: name: Lodhi, Abdul Salam
name: Tsegai, Daniel W.
name: Gerber, Nicolas
name: Lodhi, Abdul Salam
name: Tsegai, Daniel W.
name: Gerber, Nicolas
Publisher: name: Unknown
Year: 2011
Subjects: subject: Community/Rural/Urban Development
subject: Labor and Human Capital
subject: Teaching/Communication/Extension/Profession
subject: Child productivity
subject: Child’s activities
subject: Parental perception
subject: Gender

description: Using data from Pakistan, this study analyzed the effect of various individual, household, and community level characteristics on the probability that children engage in different activities. According to the existing trend of their prevalence, we considered five child’s activities, namely: secular schooling; religious education; child labor; a combination of child labor and secular schooling; and inactivity (including leisure). Data was collected through field surveys conducted in over 40 villages in four Pakistani provinces: Balochistan, Khyber Paktunkhwa, Punjab, and Sind. A total of 963 households were interviewed on the activities of 2,496 children. Multinomial Probit model was used for the analyses. Results indicated that parental perception had significant relationship to the probability of engagement in secular school attendance, religious education, and child labor. In addition, we investigated the relationships between participation in the different child activities with location (rural/urban) and children’s gender. We detected a lower probability of attending secular school and a higher probability of engaging in child labor among female children in rural areas. We also found that even parents who openly expressed appreciation of the importance of secular schooling were more likely to send male children to school than female children.
Destruction of multiferroicity in Tb2BaNiO5 by Sr doping and its implication to magnetoelectric coupling
Creators: name: Upadhyay, Sanjay K
name: Sampathkumaran, E. V.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The Haldane spin-chain compound, Tb2BaNiO5, with two antiferromagnetic transitions, one at T1=63K, and the other at T2=25K, has been recently shown by us to be an exotic multiferroic below T2. Here, we report the results of our investigations of Sr doping at the Ba site by magnetization, heat-capacity, magnetoelectric (MDE), and pyrocurrent measurements. An intriguing finding, which we stress, is that the ferroelectricity is lost even for a doping level of 10 atomic percent, though magnetic ordering prevails. The doped specimens however retain significant magnetodielectric behaviour, but with reduced magnitudes and qualitative changes with respect to the behaviour of the parent compound. This implies that ferroelectric order is also crucial for the anomalously large MDE in the parent compound, in addition to the role of 4f single-ion anisotropy.
description: 13 pages, 6 figures, JPCM (Letters) in press
Decoding typicality in apparel products: an investigation of consumer perceptions
Creators: name: Ceballos, Lina M.
name: Hodges, Nancy
name: Kittichai Watchravesringkan
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer
subject: Science Policy
subject: Hematology

description: Typicality has drawn considerable interest among academics and practitioners and has been employed by fashion companies seeking to increase consumer interest in ‘basic' products. However, limited research on typicality focuses on apparel products, as most studies on this property have focused on other consumer products (e.g. chairs). Based on preference-for-prototype and categorisation theories, the purpose of this study was to investigate consumer perceptions of typicality as an aesthetic property of apparel products. This mixed-methods research identified the mental images consumers have as the prototypes of the apparel categories of pants, jackets, and shirts. This study contributes to the aesthetics, clothing and textiles, and product design literatures by offering insights into the aesthetic property of typicality from the perspective of the consumer. Findings guide apparel brands seeking to further incorporate the aesthetic concept of typicality into their product designs.
Statics and dynamics of phase segregation in multicomponent fermion gas
Creators: name: Esfarjani, K.
name: Chui, S. T.
name: Kumar, V.
name: Kawazoe, Y.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: We investigate the statics and dynamics of spatial phase segregation process of a mixture of fermion atoms in a harmonic trap using the density functional theory. The kinetic energy of the fermion gas is written in terms of the density and its gradients. Several cases have been studied by neglecting the gradient terms (the Thomas-Fermi limit) which are then compared with the Monte-Carlo results using the full gradient corrected kinetic energy. A linear instability analysis has been performed using the random-phase approximation. Near the onset of instability, the fastest unstable mode for spinodal decomposition is found to occur at $q=0$. However, in the strong coupling limit, many more modes with $q\approx K_F$ decay with comparable time scales.
description: 14 figures
Helenus hesiformis White 1879
Creators: name: Heiss, Ernst
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Aradidae
Helenus
Helenus hesiformis

description: Helenus hesiformis White, 1879
(Figs.1,3,4,8,11)
Type specimen examined: Male (Fig.1) (pinned through right hemelytron, head and pronotum visibly glued together, left mesotarsus missing), labeled (Figs.3,4): “Type” (pr., round label with red margin) // “Syntype” (pr, round label with blue margin // ”?” (green label) // “seems the n.g. allied to Hesus St.(hw) / (202) (hw)”, reverse side: “ Helenus horridus” (hw) // “Fits descry. of / type of Helenus / hesiformis White / det. W.R.Dolling” (hw) // “Pres.by / Perth Museum / B.M. 1953-629” (pr) // “BMNH / # 1005972” (pr) //. None of these labels seems to be originally attached by White but were added later. As it cannot be excluded with certainty, that this male specimen was the only one—which is not stated as such in the original description—article 73F of International Code of Zoological Nomenclature (ICZN, 4th edition 1999): “Avoidance of assumption of holotype” is adopted and this specimen designated as lectotype and labeled: “ Lectotype ♂ / Helenus / hesiformis / White, 1879 /des. E.Heiss 2015” (pr, red label) //. Deposited in BMNH.
Additional material. 5♂ 2♀ “ Guyane Française / Nouragues / 23 III 2010; 20 IV 2010; 5 VI 2010; 30 IX 2010 / S.Brule” (pr) //; 1♂ 1♀ “ Guyane Française / MCV Vitre / 5 X 2010 / S.Brule” (pr) //; 1♀ “ Guyane Fr. NW / 20km E of Saint / Laurent du Maroni / 12 VIII 2006 Snizek” (pr) // in CEHI. 2♂ 1♀ “ Trinidad / Asa Wright Center / 12–13 VI 96 Heiss” (pr) // CEHI.
Measurements. Lectotype. Length 8.8mm, head length / width 25/21.5; pronotum l/w 35/60; length of antennal segments I/II/III/IV = 22/12/20 /12.5; ratio length of antennae / width of head 3.09; width of abdomen across deltg IV = 3.65mm, and V= 3.70mm.
Distribution. From present records, hesiformis seems to be restricted to NE continental South America reaching from Amazonas basin to French Guyana and the nearby island of Trinidad. The record cited by Kormilev, 1962 from Peru: Upper Amazonas could belong to H.wachteli n. sp. (Fig.14)
Discussion. The damaged and obviously later reattached hesiformis lectotype specimen is of lighter colour than the lectotype of hirsutus, however the colouration is variable in the material examined and cannot be used for separating taxa. No groove but a shallow median depression along pro- meso- and metasternum is present, therefore the “much deeper groove along the sternum and venter” hypothesized by Champion is not characteristic. Differs from the other two species as indicated in the key.
description: Published as part of Heiss, Ernst, 2016, Review of the Neotropical genus Helenus White, 1879, with description of a new species (Hemiptera: Heteroptera: Aradidae), pp. 555-562 in Zootaxa 4088 (4) on pages 556-557, DOI: 10.11646/zootaxa.4088.4.6, http://zenodo.org/record/255979
Differential Migration Prospects, Skill Formation, and Welfare
Creators: name: Stark, Oded
name: Zakharenko, Roman
name: Stark, Oded
name: Zakharenko, Roman
Publisher: name: Unknown
Year: 2011
Subjects: subject: Labor and Human Capital
subject: Heterogeneous human capital
subject: Differential externality effects
subject: Migration of educated workers
subject: Human capital formation
subject: Efficient acquisition of human capital
subject: Beneficial brain drain

description: This paper develops a one sector, two-input model with endogenous human capital formation. The two inputs are two types of skilled labor: “engineering,” which exerts a positive externality on total factor productivity, and “law,” which does not. The paper shows that a marginal prospect of migration by engineers increases human capital accumulation of both types of workers (engineers and lawyers), and also the number of engineers who remain in the country. These two effects are socially desirable, since they move the economy from the (inefficient) free-market equilibrium towards the social optimum. The paper also shows that if the externality effect of engineering is sufficiently powerful, everyone will be better off as a consequence of the said prospect of migration, including the engineers who lose the migration “lottery,” and even the individuals who practice law.
Priocnemis Schiodte 1837
Creators: name: Waichert, Cecilia
name: Rodriguez, Juanita
name: Von Dohlen, Carol D.
name: Pitts, James P.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Curculionidae
Priocnemis

description: Priocnemis Schiødte, 1837
 Type species Sphex exaltata Fabricius, 1775, designated by Westwood 1840.
 Remarks. This is a worldwide-distributed genus, with highest diversity in the Holarctic region (Townes 1957). Priocnemis has been reported for Cuba (Alayo 1969) and Puerto Rico (Snelling & Torres 2004) – the last record has been related to human trade history. This is the first record of the genus Priocnemis for the Dominican Republic.
description: Published as part of Waichert, Cecilia, Rodriguez, Juanita, Von Dohlen, Carol D. & Pitts, James P., 2012, Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic, pp. 1-47 in Zootaxa 3353 (1) on page 20, DOI: 10.11646/zootaxa.3353.1.1, http://zenodo.org/record/5251730
Modal frustration and periodicity breaking in artificial spin ice
Creators: name: Puttock, R.
name: Manzin, A.
name: Neu, V.
name: Sanchez, F. Garcia
name: Scarioni, A. Fernandez
name: Schumacher, H. W.
name: Kazakova, O.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Here an artificial spin ice (ASI) lattice is introduced that exhibits unique Ising and non-Ising behavior under specific field switching protocols because of the inclusion of coupled nanomagnets into the unit cell. In the Ising regime, a magnetic switching mechanism that generates a uni- or bimodal distribution of states dependent on the alignment of the field is demonstrated with respect to the lattice unit cell. In addition, a method for generating a plethora of randomly distributed energy states across the lattice, consisting of Ising and Landau states, is investigated through magnetic force microscopy and micromagnetic modeling. We demonstrate that the dispersed energy distribution across the lattice is a result of the intrinsic design and can be finely tuned through control of the incident angle of a critical field. The present manuscript explores a complex frustrated environment beyond the 16-vertex Ising model for the development of novel logic-based technologies.
Plasma Wakefield Acceleration for Ultrahigh Energy Cosmic Rays
Creators: name: Chen, Pisin
name: Tajima, Toshiki
name: Takahashi, Yoshiyuki
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A cosmic acceleration mechanism is introduced which is based on the wakefields excited by the Alfven shocks in a relativistically flowing plasma, where the energy gain per distance of a test particle is Lorentz invariant. We show that there exists a threshold condition for transparency below which the accelerating particle is collision-free and suffers little energy loss in the plasma medium. The stochastic encounters of the random accelerating-decelerating phases results in a power-law energy spectrum: f(e) 1/e^2. The environment suitable for such plasma wakefield acceleration can be cosmically abundant. As an example, we discuss the possible production of super-GZK ultra high energy cosmic rays (UHECR) through this mechanism in the atmosphere of gamma ray bursts. We show that the acceleration gradient can be as high as G ~ 10^16 eV/cm. The estimated event rate in our model agrees with that from UHECR observations.
description: 11 pages, 1 figure, submitted to Phys. Rev. Lett
Soil organic carbon dynamics in intensively managed agricultural landscapes of eastern China
Creators: name: Fan, Manman
name: Margenot, Andrew J.
name: Zhang, Liming
name: Lal, Rattan
name: Wu, Jingtao
name: Chang, Naijie
name: Shaukat, Muhammad
name: Chen, Furong
name: Gao, Chao
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Quantifying soil organic carbon (SOC) dynamics is critical for monitoring agricultural sustainability and mitigating global climate change. A study was done to investigate the SOC changes between 2003 and 2016 by DeNitrification-DeComposition (DNDC) model in an intensively cultivated region of eastern China, using a detailed high-resolution soil database, which contained 4875 sites (0–20 cm depth) with the sampling density of one sample per km2 in 2003. Results showed the DNDC model had good performance for simulating the SOC dynamics in the study area. Spatial analysis showed that 71% of the study area gained C, whilst 29% maintained their C balance with no C loss in all areas. Results suggested that the current management practice facilitated soil C sequestration in this region although soil type also played an important role. SOC density (SOCD) in lime concretion black soil was significantly higher than those in other soils. The averaged global warming potential ranged from 3865.8 to 7110.8 kg CO2 equivalent ha−1 yr−1 from 2003 to 2016 with CH4 contributing the largest proportion, which might be associated with the high input of fertilizer. Spatially high-resolution estimates of SOC using DNDC can support dual agricultural and carbon management in this region.
Priocnessus Banks 1925
Creators: name: Waichert, Cecilia
name: Rodriguez, Juanita
name: Von Dohlen, Carol D.
name: Pitts, James P.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Pompilidae
Priocnessus

description: Priocnessus Banks, 1925
 Type species Salius neotropicalis Cameron, 1891, designated by Pate 1946.
 Remarks. This is a Neotropical genus with records ranging into the southern portions of the Nearctic region (Townes 1957). There are about 13 described species of Priocnessus, but only five, including the new species, are found in the Caribbean (Cuba). This is the first record of Priocnessus for the Dominican Republic.
description: Published as part of Waichert, Cecilia, Rodriguez, Juanita, Von Dohlen, Carol D. & Pitts, James P., 2012, Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic, pp. 1-47 in Zootaxa 3353 (1) on page 21, DOI: 10.11646/zootaxa.3353.1.1, http://zenodo.org/record/5251730
Additional file 1 of Combining serological and contact data to derive target immunity levels for achieving and maintaining measles elimination
Creators: name: Funk, Sebastian
name: Knapp, Jennifer
name: Emmaculate Lebo
name: Reef, Susan
name: Dabbagh, Alya
name: Kretsinger, Katrina
name: Jit, Mark
name: W. Edmunds
name: Strebel, Peter
Publisher: name: figshare
Year: 2019
Subjects: subject: Space Science
subject: Medicine
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Supplementary Figure 1. Mean estimated of contact-adjusted immunity as a function of the number of bootstrap samples. Each line represents one country. (PDF 69 kb)
Bulk viscosity in 2D relativistic fluids: the effects of temperature and modifications to the Rayleigh-Brillouin spectrum
Creators: name: Garcia-Perciante, A. L.
name: Franco-Perez, L.
name: Mendez, A. R.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The dependence of the bulk viscosity with the relativistic parameter $z=kT/mc^{2}$, obtained through the complete Boltzmann equation [1,2], is thoroughly analyzed. A complete and rigorous examination of the relevant non-relativistic and ultra-relativistic limits is carried out in the case of a hard disk model and compared with the results obtained in the relaxation time approximation. The modifications of the non-vanishing bulk viscosity to the Rayleigh-Brillouin is briefly discussed.
Novel Monte Carlo algorithms and their applications
Creators: name: Okabe, Yutaka
name: Tomita, Yusuke
name: Yamaguchi, Chiaki
Publisher: name: arXiv
Year: 2002
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We describe a generalized scheme for the probability-changing cluster (PCC) algorithm, based on the study of the finite-size scaling property of the correlation ratio, the ratio of the correlation functions with different distances. We apply this generalized PCC algorithm to the two-dimensional 6-state clock model. We also discuss the combination of the cluster algorithm and the extended ensemble method. We derive a rigorous broad histogram relation for the bond number. A Monte Carlo dynamics based on the number of potential moves for the bond number is proposed, and applied to the three-dimensional Ising and 3-state Potts models.
description: 13 pages including 7 eps figures, proceedings of StatPhys-Taiwan-2002, to appear in Physica A
Dedekind sums: a combinatorial-geometric viewpoint
Creators: name: Beck, Matthias
name: Robins, Sinai
Publisher: name: arXiv
Year: 2001
Subjects: subject: Number Theory (math.NT)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 05A15, 11L03; 11P21, 52C07

description: The literature on Dedekind sums is vast. In this expository paper we show that there is a common thread to many generalizations of Dedekind sums, namely through the study of lattice point enumeration of rational polytopes. In particular, there are some natural finite Fourier series which we call Fourier-Dedekind sums, and which form the building blocks of the number of partitions of an integer from a finite set of positive integers. This problem also goes by the name of the `coin exchange problem'. Dedekind sums have enjoyed a resurgence of interest recently, from such diverse fields as topology, number theory, and combinatorial geometry. The Fourier-Dedekind sums we study here include as special cases generalized Dedekind sums studied by Berndt, Carlitz, Grosswald, Knuth, Rademacher, and Zagier. Our interest in these sums stems from the appearance of Dedekind's and Zagier's sums in lattice point count formulas for polytopes. Using some simple generating functions, we show that generalized Dedekind sums are natural ingredients for such formulas. As immediate `geometric' corollaries to our formulas, we obtain and generalize reciprocity laws of Dedekind, Zagier, and Gessel. Finally, we prove a polynomial-time complexity result for Zagier's higher-dimensional Dedekind sums.
description: 11 pages
Soil organic carbon dynamics in intensively managed agricultural landscapes of eastern China
Creators: name: Fan, Manman
name: Margenot, Andrew J.
name: Zhang, Liming
name: Lal, Rattan
name: Wu, Jingtao
name: Chang, Naijie
name: Shaukate, Muhammad
name: Chen, Furong
name: Gao, Chao
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Quantifying soil organic carbon (SOC) dynamics is critical for monitoring agricultural sustainability and mitigating global climate change. A study was done to investigate the SOC changes between 2003 and 2016 by DeNitrification-DeComposition (DNDC) model in an intensively cultivated region of eastern China, using a detailed high-resolution soil database, which contained 4875 sites (0–20 cm depth) with the sampling density of one sample per km2 in 2003. Results showed the DNDC model had good performance for simulating the SOC dynamics in the study area. Spatial analysis showed that 71% of the study area gained C, whilst 29% maintained their C balance with no C loss in all areas. Results suggested that the current management practice facilitated soil C sequestration in this region although soil type also played an important role. SOC density (SOCD) in lime concretion black soil was significantly higher than those in other soils. The averaged global warming potential ranged from 3865.8 to 7110.8 kg CO2 equivalent ha−1 yr−1 from 2003 to 2016 with CH4 contributing the largest proportion, which might be associated with the high input of fertilizer. Spatially high-resolution estimates of SOC using DNDC can support dual agricultural and carbon management in this region.
Development Accounting with Intermediate Goods
Creators: name: Grobovsek, Jan
name: Grobovsek, Jan
Publisher: name: Unknown
Year: 2011
Subjects: subject: Production Economics
subject: Development Accounting
subject: Productivity
subject: Intermediate Goods

description: Do intermediate goods help explain relative and aggregate productivity differences across countries? Three observations suggest they do: (i) intermediates are relatively expensive in poor countries; (ii) goods industries demand intermediates more intensively than service industries; (iii) goods industries are more prominent intermediate suppliers in poor countries. I build a standard multisector growth model accommodating these features to show that inefficient intermediate production strongly depresses aggregate productivity and increases the price ratio of final goods to services. Applying the model to data for middle and high income countries, I find that poorer countries are only modestly less efficient at producing goods than services, but substantially less efficient at producing intermediate relative to final goods and services. If all countries had the intermediate production efficiency of the US, the aggregate productivity gap between the lowest and highest income countries in the sample is predicted to shrink by roughly two thirds while cross-country differences in the final price ratio would virtually vanish.
Positronium scattering by atoms and molecules at low energies
Creators: name: Adhikari, Sadhan K.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: FOS: Physical sciences

description: The recent theoretical and experimental activities in positronium (Ps) scattering by atoms and molecules are reviewed with special emphasis at low energies. We critically compare the results of different groups $-$ theoretical and experimental. The theoretical approaches considered include the $R$-matrix and close-coupling methods applied to Ps-H, Ps-He, and Ps-Li scattering, and a coupled-channel approach with a nonlocal model-potential for Ps scattering by H, He, H$_2$, Ne, Ar, Li, Na, K, Rb, Cs, and Ps and for pickoff quenching in Ps-He scattering. Results for scattering lengths, partial, total and differential cross sections as well as resonance and binding energies in different systems are discussed.
description: 6 revtex pages, 3 postscript figures
Emergent limit cycles and time crystal dynamics in an atom-cavity system
Creators: name: Keßler, Hans
name: Cosme, Jayson G.
name: Hemmerling, Michal
name: Mathey, Ludwig
name: Hemmerich, Andreas
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We propose an experimental realization of a time crystal using an atomic Bose-Einstein condensate in a high finesse optical cavity pumped with laser light detuned to the blue side of the relevant atomic resonance. By mapping out the dynamical phase diagram, we identify regions in parameter space showing stable limit cycle dynamics. Since the model describing the system is time-independent, the emergence of a limit cycle phase indicates the breaking of continuous time translation symmetry. Employing a semiclassical analysis to demonstrate the robustness of the limit cycles against perturbations and quantum fluctuations, we establish the emergence of a time crystal.
description: 6 pages, 6 figures