cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Self-force effects on the marginally bound zoom-whirl orbit in Schwarzschild spacetime
Creators: name: Barack, Leor
name: Colleoni, Marta
name: Damour, Thibault
name: Isoyama, Soichiro
name: Sago, Norichika
Publisher: name: arXiv
Year: 2019
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: For a Schwarzchild black hole of mass $M$, we consider a test particle falling from rest at infinity and becoming trapped, at late time, on the unstable circular orbit of radius $r=4GM/c^2$. When the particle is endowed with a small mass, $μ\ll M$, it experiences an effective gravitational self-force, whose conservative piece shifts the critical value of the angular momentum and the frequency of the asymptotic circular orbit away from their geodesic values. By directly integrating the self-force along the orbit (ignoring radiative dissipation), we numerically calculate these shifts to $O(μ/M)$. Our numerical values are found to be in agreement with estimates first made within the Effective One Body formalism, and with predictions of the first law of black-hole-binary mechanics (as applied to the asymptotic circular orbit). Our calculation is based on a time-domain integration of the Lorenz-gauge perturbation equations, and it is a first such calculation for an unbound orbit. We tackle several technical difficulties specific to unbound orbits, illustrating how these may be handled in more general cases of unbound motion. Our method paves the way to calculations of the self-force along hyperbolic-type scattering orbits. Such orbits can probe the two-body potential down to the "light ring", and could thus supply strong-field calibration data for eccentricity-dependent terms in the Effective One Body model of merging binaries.
description: 29 pages, 6 figures
Eudistoma globosum Kott 1957
Creators: name: Kott, Patricia
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Ascidiacea
Aplousobranchia
Polycitoridae
Eudistoma
Eudistoma globosum

description: Eudistoma globosum Kott, 1957
 Eudistoma globosum Kott 1957, p 72; Kott 1990a, p 210.
 Distribution
Previously recorded (see Kott 1990a): Western Australia (Houtman’s Abrolhos, Cockburn Sound, Margaret River); Queensland (Capricorn Group). New records: Tasmanian Canyons (Ling Hole, 174 m).
 Description
Colonies are about 3 cm high, simple, upright lobes with a short, thick, cylindrical stalk and a conical naked head. The long zooids, characteristic of the genus, open all around the head and extend crowded and parallel to one another down into the base of the stalk. Sand is crowded in the stalk and projects up into the centre of the lower half of the head.
 Remarks
 Zooids of species in the genus Eudistoma are very similar. The zooids all have short thoraces with numerous stigmata, characteristic long oesophageal necks with the stomach and gonads in the pole of the gut loop at the posterior end of the zooid and muscular body wall with an almost continuous outer coat of transverse fibres and inner longitudinal bands that continue into the abdomen. Because of this lack of diversity in the zooids, distinguishing characters are often more likely to be found in the colonies and the larvae.
The form of the small, simple, compact colonies of the present species and the distribution of sand in them is characteristic. The genus is not known from the sub-Antarctic south of New Zealand and the Tasmanian Canyons, and its original provenance may be from the tropics, where it is most diverse. However, the record from Margaret River and its occurrence south of Tasmania suggests that it is a temperate species which extends northwards on each side of the continent.
description: Published as part of Kott, Patricia, 2006, Observations on non-didemnid ascidians from Australian waters (1), pp. 169-234 in Journal of Natural History 40 (3 - 4) on pages 190-191, DOI: 10.1080/00222930600621601, http://zenodo.org/record/5232431
Hydrodynamic Excitations in a Spin-Polarized Fermi Gas under Harmonic Confinement in One Dimension
Creators: name: Minguzzi, A.
name: Vignolo, P.
name: Chiofalo, M. L.
name: Tosi, M. P.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We consider a time-dependent non-linear Schrödinger equation in one dimension (1D) with a fifth-order interaction term and external harmonic confinement, as a model for both (i) a Bose gas with hard-core contact interactions in local-density approximation, and (ii) a spin-polarized Fermi gas in the collisional regime. We evaluate analytically in the Thomas-Fermi limit the density fluctuation profiles and the collective excitation frequencies, and compare the results for the low-lying modes with those obtained from the numerical solution of the Schrödinger equation. We find that the excitation frequencies are multiples of the harmonic-trap frequency even in the strong-coupling Thomas-Fermi regime. This result shows that the hydrodynamic and the collisionless collective spectra coincide in the harmonically confined 1D Fermi gas, as they do for sound waves in its homogeneous analogue. It also shows that in this case the local-density theory reproduces the exact collective spectrum of the hard-core Bose gas under harmonic confinement.
description: 7 pages, 3 figures, to appear on Phys. Rev. A
A new synthetic route for the synthesis of enantioenriched 1,2,3,4-tetrahydronaphthalene-derived 1,3-diols
Creators: name: Cheng, Feng
name: Cai, Chen
name: Yang, Xing
name: Lin, Zi-Wei
name: Hu, Xiao-Song
name: Huang, Yi-Yong
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biochemistry
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Physiology
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: Information Systems not elsewhere classified
subject: Computational Biology

description: In this report, we presented a new approach to access a (1,3-butadiene-2-yl)carbinol, (1R,2R)- and (1S,2S)-1-(hydroxymethyl)-1-vinyl-1,2,3,4-tetrahydronaphthalene-2-ols. Starting from commercially available 1,4-diol-2-butyne, a six-step synthesis involving dibromination, Zn-mediated addition reaction of phenylpropyl aldehyde, epoxidation, epoxy–arene cyclization, and resolution with D(+)-Camphor afforded the title compounds. We herein presented a new approach to access a (1,3-butandien-2-yl)carbinol, (1R,2R)- and (1S,2S)-1-(hydroxymethyl)-1-vinyl-1,2,3,4-tetrahydronaphthalen-2-ols.
Supplemental Figure 3 from Interactions between breeding system and ploidy affect niche breadth in Solanum
Creators: name: Fumia, Nathan
name: Rubinoff, Daniel
name: Zenil-Ferguson, Rosana
name: Khoury, Colin K.
name: Pironon, Samuel
name: Gore, Michael A.
name: Kantar, Michael B.
Publisher: name: The Royal Society
Year: 2022
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology

description: Pie chart of climate class proportions by species.
A minimal pair in the generic degrees
Creators: name: Hirschfeldt, Denis R.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Logic (math.LO)
subject: FOS: Mathematics
subject: 03D30

description: We show that there is a minimal pair in the nonuniform generic degrees, and hence also in the uniform generic degrees. This fact contrasts with Igusa's result that there are no minimal pairs for relative generic computability, and answers a basic structural question mentioned in several papers in the area.
A Four Dimensional Generalization of the Quantum Hall Effect
Creators: name: Zhang, Shou-Cheng
name: Hu, Jiangping
Publisher: name: arXiv
Year: 2001
Subjects: subject: Condensed Matter (cond-mat)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We construct a generalization of the quantum Hall effect, where particles move in four dimensional space under a SU(2) gauge field. This system has a macroscopic number of degenerate single particle states. At appropriate integer or fractional filling fractions the system forms an incompressible quantum liquid. Gapped elementary excitations in the bulk interior and gapless elementary excitations at the boundary are investigated.
Developing country debt: implications for agricultural trade
Creators: name: Gunasekera, H. Don B. H.
name: Bown, Bruce
name: Andrews, Neil
name: Gunasekera, H. Don B. H.
name: Bown, Bruce
name: Andrews, Neil
Publisher: name: Unknown
Year: 1990
Subjects: Agribusiness
International Development
International Relations/Trade
Production Economics

description: There has been a sharp decline in the rate of economic growth in many developing countries in the 1980s compared with the 1970s. Reduced availability of external finance following the international debt crisis has been identified as one of the most important factors responsible for this decline. At the same time there has been a slowdown in the rate of growth of food imports to these countries, particularly to the highly indepted ones. The focus in the paper is on the implications for international agricultural commodity markets of a dept write-off in developing countries. To analyse these implications a world agricultural trade model is used. Specifically, the analysis covers the effect of existing debt on the permanent incomes of developing debtor countries and developed creditor countries, and hence the effect on agricultural commodity markets. The results indicate that, if the debts of the developing countries were written off, prices would improve in consequence of the resulting rise in their permanent incomes. If the debt write-off also led to growth in developing countries returning to the levels prevalent before the debt crisis, the improvements in world prices would be likely to be much larger.
Riječ urednice
Creators: name: Lončarić, Ružica
name: Lončarić, Ružica
Publisher: name: Unknown
Year: 2012
Subjects: Teaching/Communication/Extension/Profession

description: Poštovani čitatelji, pred vama je drugi broj časopisa Agroeconomia Croatica, koji je ugledao svjetlo dana nakon stanke od jedanaest godina kad je izdan prvi broj. Agroeconomia Croatica je časopis Hrvatskog agroekonomskog društva. U ovom se strukovnom časopisu objavljuju znanstveni i stručni radovi iz područja agrarne ekonomike i agrarne sociologije. Časopis prikazuje teorijske radove, ali i one temeljene na razvojnim i iskustvenim istraživanjima. Također, u časopisu će se tiskati i sažeci doktorskih disertacija, pregledi objavljenih knjiga, osvrti na domaće i međunarodne skupove, bibliografi je te znanstveni opusi istaknutih agrarnih ekonomista i sociologa.
Pseudodistoma australe Kott 1957
Creators: name: Kott, Patricia
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Ascidiacea
Aplousobranchia
Pseudodistomidae
Pseudodistoma
Pseudodistoma australe

description: Pseudodistoma australe Kott, 1957
 Pseudodistoma australis Kott 1957, p 101.
 Pseudodistoma australe: Kott 1992a, p 428 and synonymy; 2003, p 1625 [not 1985 (sic) = 1992a].
 Distribution
Previously recorded (see Kott 2003): Western Australia (Exmouth Gulf to Cockburn Sound); South Australia (Great Australian Bight, Cape Jaffa); Victoria (Port Phillip Heads); Queensland (Swain Reefs). New record: Tasmania (Port Davey, 8–10 m, SAM E3231).
 Description
The colony is soft and translucent, its upper surface expanded into four short conical lobes like a crown. It converges slightly toward the base, where it appears to have been fixed to a wide, flat surface about 4 cm in diameter. Zooids extend up the colony parallel to one another and the independently opening six-lobed apertures are around the outside of the terminal lobes. Thorax and abdomen are, together, relatively short. Three rows, each of about 12 branchial stigmata, are in each half row and a short gut loop with a smooth-walled stomach is about halfway down the short abdomen. The posterior abdomen is very long, with strong bands of muscles along each side. Gonads were not detected in the newly recorded colonies, which appear to be in a vegetative stage, although there is a large embryo in the brood pouch (at the postero-dorsal end of the thorax) in a few of the zooids.
 Remarks
These gelatinous, translucent rose-coloured colonies with a thick, soft stalk consisting of one or more terminal lobes, are characteristic of this wide-ranging apparently indigenous species. The new record is the most southern location known and confirms its wide range, often from temperate localities albeit extending into the tropics on both sides of the continent.
description: Published as part of Kott, Patricia, 2006, Observations on non-didemnid ascidians from Australian waters (1), pp. 169-234 in Journal of Natural History 40 (3 - 4) on pages 191-192, DOI: 10.1080/00222930600621601, http://zenodo.org/record/5232431
Greying of the Dark Soliton: Depletion in the Anomalous Mode of the Bogoliubov Theory
Creators: name: Dziarmaga, Jacek
name: Sacha, Krzysztof
Publisher: name: arXiv
Year: 2002
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: Quantum depletion from an atomic quasi one dimensional Bose-Einstein condensate with a dark soliton is studied in a framework of the Bogoliubov theory. Depletion is dominated by an anomalous mode localized in a notch of the condensate wave function. Depletion in the anomalous mode requires different treatment than depletion without anomalous modes. In particular, quantum depletion in the Bogoliubov vacuum of the anomalous mode is experimentally irrelevant. A dark soliton is initially prepared in a state with minimal depletion which is not a stationary state of the Bogoliubov theory. The notch fills up with incoherent atoms depleted from the condensate. For realistic parameters the filling time can be as short as 10 ms.
description: 5 pages, version to appear in Phys.Rev.A
Anharmonicity and scissoring modes in the negative thermal expansion materials ScF$_3$ and CaZrF$_6$
Creators: name: Bird, Tobias
name: Woodland-Scott, Jessica
name: Hu, Lei
name: Wharmby, Michael
name: Chen, Jun
name: Goodwin, Andrew
name: Senn, Mark
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We use a symmetry-motivated approach to analysing X-ray pair distribution functions to study the mechanism of negative thermal expansion in two ReO$_3$-like compounds; ScF$_3$ and CaZrF$_6$. Both average and local structure suggest that it is the flexibility of M-F-M linkages (M = Ca, Zr, Sc) due to dynamic rigid and semi-rigid "scissoring" modes that facilitates the observed NTE behaviour. The amplitudes of these dynamic distortions are greater for CaZrF$_6$ than for ScF$_3$, which corresponds well with the larger magnitude of the thermal expansion reported in the literature for the former. We show that this flexbility is enhanced in CaZrF$_6$ due to the rock-salt ordering mixing the characters of two of these scissoring modes. Additionally, we show that in ScF$_3$ anharmonic coupling between the modes responsible for the structural flexibility and the rigid unit modes contributes to the unusually high NTE behaviour in this material.
description: 9 pages, 7 figures
Editorial
Creators: name: Lončarić, Ružica
name: Lončarić, Ružica
Publisher: name: Unknown
Year: 2012
Subjects: Teaching/Communication/Extension/Profession

description: Dear readers, in front of you is the second volume of the journal Agroeconomia Croatica, published aft er eleven years pause, when the fi rst number was published. Agroeconomia Croatica is the journal of Croatian Society of Agricultural Economists. In this professional journal we publish scientifi c and professional papers in the fi eld of agroeconomy and rural sociology. Journal covers theoretical papers as well as papers based on developmental and experiential research. Moreover, we will present summaries of Ph.D. theses, reviews of published books, overviews of domestic and international meetings, bibliographies and scientifi c works of distinguished agroeconomists and sociologists.
Unequal time correlators of stochastic scalar fields in de Sitter space
Creators: name: Moreau, G.
name: Serreau, J.
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The quantum fluctuations of a test scalar field on superhorizon scale in de Sitter spacetime can be described by an effective one-dimensional stochastic theory corresponding to a particular class of nonequilibrium dynamical systems known as the model A. Using the formulation of the latter in terms of a supersymmetric field theory, we compute various unequal-time correlators at large (superhorizon) time separations and compare with existing quantum field theory computation. This includes perturbative calculations, pushed here up to three-loop order, and a nonperturbative $1/N$ expansion at next-to-leading order. Exploiting the supersymmetry of the stochastic theory, we also derive a spectral representation of the field correlators and a fluctuation-dissipation relation for the infrared modes of the scalar field in de Sitter spacetime.
description: 17 pages, 10 figures; typos corrected, references added, minor changes in Sec. 4C, figures updated
Galaxy rotation curves in the $μ$-deformation based approach to dark matter
Creators: name: Gavrilik, A. M.
name: Kachurik, I. I.
name: Khelashvili, M. V.
Publisher: name: arXiv
Year: 2019
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: We elaborate further the $μ$-deformation-based approach to modeling dark matter, in addition to the earlier proposed use of $μ$-deformed thermodynamics. Herein, we construct $μ$-deformed analogs of the Lane-Emden equation (for density profiles), and find their solutions. Using these, we plot the rotation curves for a number of galaxies. Different curves describing chosen galaxies are labeled by respective (differing) values of the deformation parameter $μ$. As result, the use of $μ$-deformation leads to improved agreement with observational data. For all the considered galaxies, the obtained rotation curves (labeled by $μ$) agree better with data as compared to the well known Bose-Einstein condensate model results of T.Harko. Besides, for five of the eight cases of galaxies we find better picture for rotation curves than the corresponding Navarro-Frenk-White (NFW) curves. Possible physical meaning of the parameter $μ$, basic for this version of $μ$-deformation, is briefly discussed.
description: v2: title modified, minor corrections, to appear in Ukr. J. Phys
Agricultural Biotechnology and Rural Development in Latin America and the Caribbean: Implications for IDB Lending
Creators: name: Trigo, Eduardo J.
name: Traxler, Greg
name: Pray, Carl E.
name: Echeverría, Ruben G.
name: Trigo, Eduardo J.
name: Traxler, Greg
name: Pray, Carl E.
name: Echeverría, Ruben G.
Publisher: name: Unknown
Year: 2020
Subjects: Agricultural Finance
Community/Rural/Urban Development
Research and Development/Tech Change/Emerging Technologies

description: Inter-American Development Bank
A test of whether millet acreage in Niger is determined by official or private market prices
Creators: name: Brorsen, B. Wade
name: Adesina, Akinwumi A.
name: Brorsen, B. Wade
name: Adesina, Akinwumi A.
Publisher: name: Unknown
Year: 1990
Subjects: Crop Production/Industries
Demand and Price Analysis

description: Niger has two separate marketing channels for grain: one is the official system operated by the government; the other is a parallel channel of private traders. Researchers or policymakers wanting to study effects of price policies on producers are faced with two sets of prices. This paper seeks to answer the question, which prices matter? Non-nested hypothesis tests are conducted for millet-acreage response equations. The results show that prices from the larger private market are the prices that matter.
Fredholm determinants, full counting statistics and Loschmidt echo for domain wall profiles in one-dimensional free fermionic chains
Creators: name: Gamayun, Oleksandr
name: Lychkovskiy, Oleg
name: Caux, Jean-Sébastien
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We consider an integrable system of two one-dimensional fermionic chains connected by a link. The hopping constant at the link can be different from that in the bulk. Starting from an initial state in which the left chain is populated while the right is empty, we present time-dependent full counting statistics and the Loschmidt echo in terms of Fredholm determinants. Using this exact representation, we compute the above quantities as well as the current through the link, the shot noise and the entanglement entropy in the large time limit. We find that the physics is strongly affected by the value of the hopping constant at the link. If it is smaller than the hopping constant in the bulk, then a local steady state is established at the link, while in the opposite case all physical quantities studied experience persistent oscillations. In the latter case the frequency of the oscillations is determined by the energy of the bound state and, for the Loschmidt echo, by the bias of chemical potentials.
description: 40 pages, 7 figures; Typos corrected, references updated
Pseudodistoma gracile Kott 1992
Creators: name: Kott, Patricia
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Ascidiacea
Aplousobranchia
Pseudodistomidae
Pseudodistoma
Pseudodistoma gracile

description: Pseudodistoma gracile Kott, 1992a
(Figure 9A)
 Pseudodistoma gracilum Kott 1992a, p 433 and synonymy.
 Distribution
Previously recorded (see Kott 1992a): South Australia (Great Australian Bight, Investigator Group, Kangaroo I.); Victoria (Beachport, Western Port); New South Wales (Jervis Bay, Port Jackson); Queensland (Great Barrier Reef); New Caledonia. New records: South Australia (Kangaroo Is, 8–10 m, SAM E3270); Tasmania (Maria Is; Port Davey, 4– 6 m, SAM E3269).
The new records from Tasmania are the most southerly locations yet recorded for this species.
 Description
The colonies have the robust, contractile zooids of the usual form entangled in the soft, disintegrating mucus-like test as described previously.
 Remarks
 Although colonies and zooids resemble those of the Japanese P. fragile Tokioka, 1958, the present species broods only a single embryo at a time, while the Japanese species has a long brood pouch with up to five embryos being brooded at a time and a significantly longer larval trunk (see Kott 1992a). Like other species in this genus it is more often recorded from temperate locations than from tropical ones.
description: Published as part of Kott, Patricia, 2006, Observations on non-didemnid ascidians from Australian waters (1), pp. 169-234 in Journal of Natural History 40 (3 - 4) on page 192, DOI: 10.1080/00222930600621601, http://zenodo.org/record/5232431
Dragi čitatelju
Creators: name: Žimbrek, Tito
name: Žimbrek, Tito
Publisher: name: Unknown
Year: 2012
Subjects: Teaching/Communication/Extension/Profession

description: Dragi čitatelju, članu i prijatelju Hrvatskog agroekonomskog društva! Prije šestnaest godina utemeljena je strukovna udruga pod nazivom Hrvatsko agroekonomskodruštvo (HAED). Dana 12. veljače 1996. godine održana je sjednica Osnivačkog odbora, izabrana upravna tijela, te pokrenut postupak nužan za registraciju u Ministarstvu uprave Republike Hrvatske, koje je Rješenjem od 14. ožujka 1996. godine odobrilo upis HAED-a kao pravne osobe u Registar udruženja građana Republike.
Welcome dear reader!
Creators: name: Žimbrek, Tito
name: Žimbrek, Tito
Publisher: name: Unknown
Year: 2012
Subjects: Teaching/Communication/Extension/Profession

description: Welcome dear reader! Sixteen years ago a professional association named Croatian Society of Agricultural Economists (HAED) was founded. On 12 February 1996 the meeting of the founding board was held, governing body was elected and the registration process was initiated at the Ministry of Public Administration. On 14 March 1996 the Ministry approved the registration of HAED as a legal entity into the Registry of Associations.
Modern rice technology and regional wage differentials in the Philippines
Creators: name: Otsuka, Keijiro
name: Cordova, Violeta G.
name: David, Cristina C.
name: Otsuka, Keijiro
name: Cordova, Violeta G.
name: David, Cristina C.
Publisher: name: Unknown
Year: 1990
Subjects: Crop Production/Industries
Research and Development/Tech Change/Emerging Technologies

description: Fear has been widely expressed that the modern rice varieties have created large disparities in regional income distribution, as the productivity gap between favorable and unfavorable rice-production environments widened due to differential technology adoption throughout South and Southeast Asia over the last two decades. Technology affects the income of farm population directly through its effects on productivity and factor use, and indirectly through its effect on factor prices. In particular, the ultimate distributional impact of modern varieties will critically depend on the interregional labor-market adjustments through migration in response to regional wage differentials created by the differential technology adoption, since labor is the main resource of the majority of the rural population. We studied favorable and unfavorable rice-growing villages in the Philippines, and found that adoption of modern varieties during the 1970s was positively related to population growth rate. Contrary to popular belief, no association was observed between wage rates and adoption of modern varieties as of 1986. These findings support the hypothesis that the differential adoption of modern rice varieties induced interregional labor migration toward equalization of wage income across different production environments.
Synthesis of 3,4,5-trisubstituted piperidine via SN2’ reaction
Creators: name: Li, Fei
name: Wang, Xue
name: Liu, Yue Meng
name: Zhang, Jing
name: Yang, Jun
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified

description: 3,4,5-Trisubstituted piperidine-containing compounds displayed a range of biological activities, are potential drug candidates to treatment of Alzheimer’s disease, sexual dysfunctions or obesity, heart and kidney insufficiency. However, the inherent difficulty in obtaining a variety of 3,4,5-trisubstituted piperidines has greatly hindered their systematic medicinal chemistry studies for them. In this paper, we disclose an efficient synthesis of racemic and chiral 3,4,5-trisubstituted piperidines via SN2’ reaction.
MOESM2 of Prevalence of problematic smartphone usage and associated mental health outcomes amongst children and young people: a systematic review, meta-analysis and GRADE of the evidence
Creators: name: Sohn, Samantha
name: Rees, Phillipa
name: Wildridge, Bethany
name: Kalk, Nicola
name: Carter, Ben
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 2 Figure S1. Meta-analyses of Problematic Smartphone Usage (PSU) and the secondary educational outcomes.
Near Field Lenses in Two Dimensions
Creators: name: Pendry, J. B.
name: Ramakrishna, S. Anantha
Publisher: name: arXiv
Year: 2002
Subjects: subject: Condensed Matter (cond-mat)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: It has been shown that a slab of materials with refractive index = -1 behaves like a perfect lens focussing all light to an exact electromagnetic copy of an object. The original lens is limited to producing images the same size as the object, but here we generalise the concept so that images can be magnified. For two dimensional systems, over distances much shorter than the free space wavelength, we apply conformal transformations to the original parallel sided slab generating a variety of new lenses. Although the new lenses are not `perfect' they are able to magnify two dimensional objects. The results apply equally to imaging of electric or magnetic sub wavelength objects in two dimensions. The concepts have potential applications ranging from microwave frequencies to the visible.
description: PDF file
The impact of the tomato agroindustry on the rural poor in Mexico
Creators: name: Barron, Maria Antonieta
name: Rello, Fernando
name: Barron, Maria Antonieta
name: Rello, Fernando
Publisher: name: Unknown
Year: 2000
Subjects: subject: Crop Production/Industries
subject: Production Economics
subject: Tomato agroindustry
subject: Employment
subject: Migration
subject: Poverty
subject: Mexico

description: This article addresses the issue of whether the tomato agroindustry (TAl) has been an effective instrument in the reduction of rural poverty. The TAl is by far the most important agroindustry in Mexico in terms of exports and employment creation. Most of the laborers employed by the TAl in northwest Mexico are temporary migrants coming from poverty-stricken regions in southern Mexico. Conditions of poverty-induced migration are explained. The characteristics and strategies of large, modern tomato enterprises are analyzed. The main conclusion is that migrant income earned in the tomato fields and packing plants, is fundamental for the bare survival in villages in poverty-stricken regions. However, this does not provide a solution to poverty alleviation because migrant income is not sufficient to contribute to capital formation in the migrating communities, or the to create the conditions for endogenous local development.© 2000 Published by Elsevier Science B.V.
Upper Limits on the X-ray Emission of "Uranium" Stars
Creators: name: Schlegel, Eric M.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A paper by Qian & Wasserburg suggests the optical absorption lines of uranium observed in the spectra of ultra-metal-poor stars (defined as [Fe/H] $
description: accepted AJ, scheduled March
Prevalence and patterns of drug-disease interactions in long-term residents in nursing home facilities in the Czech Republic
Creators: name: Lukačišinová, Anna
name: Kummer, Ingrid
name: Příhodová, Veronika
name: Bandari, Deepak Kumar
name: Brkic, Jovana
name: Fialová, Daniela
Publisher: name: Zenodo
Year: 2021

description: Poster presented at the conference
Excitons in Mott insulators
Creators: name: Wrobel, P.
name: Eder, R.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Motivated by recent Raman and resonant inelastic X-ray scattering experiments performed for Mott insulators, which suggest formation of excitons in these systems, we present a theory of exciton formation in the upper Hubbard band. The analysis based on the spin polaron approach is performed in the framework of an effective t-J model for the subspace of states with one doubly occupied site. Our results confirm the existence of excitons and bear qualitative resemblance to experimental data despite some simplifications in our approach. They prove that the basic underlying mechanismof exciton formation is the same as that which gives rise to binding of holes in weakly doped antiferromagnets.
description: 4 pages, 1 figure
Pseudodistoma inflatum Kott 1992
Creators: name: Kott, Patricia
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Ascidiacea
Aplousobranchia
Pseudodistomidae
Pseudodistoma
Pseudodistoma inflatum

description: Pseudodistoma inflatum Kott, 1992
(Figure 9B)
 Pseudodistoma inflatum Kott 1992a, p 435.
 Distribution
Previously recorded (see Kott 1992a): New South Wales (South Solitary Is, Byron Bay, Coff’s Harbour); Queensland (Mooloolaba). New record: New South Wales (Coff’s Harbour, 5–7 m, SAM E3297). The new record is from the restricted geographic range previously recorded for this species (from northern New South Wales to the Queensland / New South Wales border).
 Description
The colony is small, sessile, its upper surface divided into two rounded lobes that narrow toward the base, where some sand is embedded, although there is none in the gelatinous and translucent test of the upper part of the colony.
description: Published as part of Kott, Patricia, 2006, Observations on non-didemnid ascidians from Australian waters (1), pp. 169-234 in Journal of Natural History 40 (3 - 4) on page 192, DOI: 10.1080/00222930600621601, http://zenodo.org/record/5232431
Symmetry classes, many-body zero modes, and supersymmetry in the complex Sachdev-Ye-Kitaev model
Creators: name: Behrends, Jan
name: Béri, Benjamin
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The complex Sachdev-Ye-Kitaev (cSYK) model is a charge-conserving model of randomly interacting fermions. The interaction term can be chosen such that the model exhibits chiral symmetry. Then, depending on the charge sector and the number of interacting fermions, level spacing statistics suggests a fourfold categorization of the model into the three Wigner-Dyson symmetry classes. In this work, inspired by previous findings for the Majorana Sachdev-Ye-Kitaev model, we embed the symmetry classes of the cSYK model in the Altland-Zirnbauer framework and identify consequences of chiral symmetry originating from correlations across different charge sectors. In particular, we show that for an odd number of fermions, the model hosts exact many-body zero modes that can be combined into a generalized fermion that does not affect the system's energy. This fermion directly leads to quantum-mechanical supersymmetry that, unlike explicitly supersymmetric cSYK constructions, does not require fine-tuned couplings, but only chiral symmetry. Signatures of the generalized fermion, and thus supersymmetry, include the long-time plateau in time-dependent correlation functions of fermion-parity-odd observables: The plateau may take nonzero value only for certain combinations of the fermion structure of the observable and the system's symmetry class. We illustrate our findings through exact diagonalization simulations of the system's dynamics.
description: 10 pages, 3 figures, accepted manuscript
Links between economic liberalization and rural resource degradation in the developing regions
Creators: name: Barbier, Edward B.
name: Barbier, Edward B.
Publisher: name: Unknown
Year: 2000
Subjects: subject: Production Economics
subject: Resource /Energy Economics and Policy
subject: Deforestation
subject: Economic liberalization
subject: Ghana
subject: Mexico
subject: Rural resource degradation
subject: Structural adjustment

description: This paper examines evidence of the effects of economic liberalization and globalization on rural resource degradation in developing countries. The principal resource effects of concern are processes of land use change leading to forestland conversion, degradation and deforestation. The main trends in globalization of interest are trade liberalization and economy-wide reforms in developing countries that have 'opened up' the agroindustrial sectors, thus increasing their export -orientation. Such reforms have clearly spurred agroindustrialization, rural development and economic growth, but there is also concern that there may be direct and indirect impacts on rural resource degradation. The direct impacts may occur as increased agricultural activity leads to conversion of forests and increased land degradation from 'unsustainable' production methods. However, there may also be indirect effects if agroindustrial development displaces landless, near-landless and rural poor generally, who then migrate to marginal agricultural lands and forest frontier regions. This paper explores these direct and indirect effects of globalization and agroindustrialization on rural resource degradation both generally, plus through examining case study evidence. The paper focuses in particular on the examples of structural adjustment, trade liberalization and agricultural development in Ghana, and maize sector liberalization in Mexico under North American Free Trade Agreement (NAFTA). © 2000 Elsevier Science B.V. All rights reserved.
MOESM1 of Testing an active intervention to deter researchersâ€™ use of questionable research practices
Creators: name: S. Bruton
name: M. Brown
name: D. Sacco
name: R. Didlake
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Science Policy

description: Additional file 1. QRP Endorsement Questionnaire.
Fermi Surface of 3d^1 Perovskite CaVO3 Near the Mott Transition
Creators: name: Inoue, I. H.
name: Bergemann, C.
name: Hase, I.
name: Julian, S. R.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We present a detailed de Haas van Alphen effect study of the perovskite CaVO3, offering an unprecedented test of electronic structure calculations in a 3d transition metal oxide. Our experimental and calculated Fermi surfaces are in good agreement -- but only if we ignore large orthorhombic distortions of the cubic perovskite structure. Subtle discrepancies may shed light on an apparent conflict between the low energy properties of CaVO3, which are those of a simple metal, and high energy probes which reveal strong correlations that place CaVO3 on the verge of a metal-insulator transition.
description: 4 pages, 4 figures (REVTeX)
MOESM2 of New insights on congenital pulmonary airways malformations revealed by proteomic analyses
Creators: name: C. Barazzone-Argiroffo
name: J. Lascano Maillard
name: I. Vidal
name: M. Bochaton-Piallat
name: S. Blaskovic
name: Y. Donati
name: B. Wildhaber
name: A.-L. Rougemont
name: C. Delacourt
name: I. Ruchonnet-MÃ©Trailler
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Marine Biology
subject: Cancer
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: 60506 Virology
subject: Computational Biology

description: Additional file 2: Figure S2. List of the 50 recovered proteins. A. List of proteins present in CPAM 1 and CPAM 2 B List of proteins present in CPAM 1, CPAM 2 and control tissue C. List of proteins present in fetal canaliculi and bronchi at 16 GW.
Implementation of semantic resources in IR Data Terra: A semantic approach to multi-disciplinary Earth system data discovery
Creators: name: Desconnets, Jean-Christophe
Publisher: name: Zenodo
Year: 2022
Subjects: metadata, interoperability, ontology, cross-domain discovery, SOSA ontology, i-adopt ontology, data terra

description: After presenting the data terra research infrastructure and the interoperability issues, this paper presents the approach chosen to build the data terra federated catalog. It consists in coupling a pivotal model built on the dcat ontology with domain ontologies and thesauri that allow semantic standardization of metadata. It is suggested to build SKOS thesauri in which each concept is typed with the SOSA and I-adopt ontologies
Shallow Self-Learning for Reject Inference in Credit Scoring
Creators: name: Kozodoi, Nikita
name: Katsas, Panagiotis
name: Lessmann, Stefan
name: Moreira-Matias, Luis
name: Papakonstantinou, Konstantinos
Publisher: name: arXiv
Year: 2019
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: Risk Management (q-fin.RM)
subject: FOS: Computer and information sciences
subject: FOS: Economics and business

description: Credit scoring models support loan approval decisions in the financial services industry. Lenders train these models on data from previously granted credit applications, where the borrowers' repayment behavior has been observed. This approach creates sample bias. The scoring model (i.e., classifier) is trained on accepted cases only. Applying the resulting model to screen credit applications from the population of all borrowers degrades model performance. Reject inference comprises techniques to overcome sampling bias through assigning labels to rejected cases. The paper makes two contributions. First, we propose a self-learning framework for reject inference. The framework is geared toward real-world credit scoring requirements through considering distinct training regimes for iterative labeling and model training. Second, we introduce a new measure to assess the effectiveness of reject inference strategies. Our measure leverages domain knowledge to avoid artificial labeling of rejected cases during strategy evaluation. We demonstrate this approach to offer a robust and operational assessment of reject inference strategies. Experiments on a real-world credit scoring data set confirm the superiority of the adjusted self-learning framework over regular self-learning and previous reject inference strategies. We also find strong evidence in favor of the proposed evaluation measure assessing reject inference strategies more reliably, raising the performance of the eventual credit scoring model.
description: Preprint of the paper accepted to ECML PKDD 2019
Investment in site-specific crop management under uncertainty: implications for nitrogen pollution control and environmental policy
Creators: name: Khanna, Madhu
name: Isik, Murat
name: Winter-Nelson, Alex
name: Khanna, Madhu
name: Isik, Murat
name: Winter-Nelson, Alex
Publisher: name: Unknown
Year: 2000
Subjects: subject: Crop Production/Industries
subject: Production Economics
subject: Option value
subject: Net present value
subject: Nitrogen pollution control
subject: Variable rate application
subject: Price uncertainty
subject: Timing of adoption
subject: Cost-share subsidy

description: This paper applies an option-pricing model to analyze the impact of uncertainty about output prices and expectations of declining fixed costs on the optimal timing of investment in site-specific crop management (SSCM). It also analyzes the extent to which the level of spatial variability in soil conditions can mitigate the value of waiting to invest in SSCM and influence the optimal timing of adoption and create a preference for custom hiring rather than owner purchase of equipment. Numerical simulations show that while the net present value (NPV) rule predicts that immediate adoption is profitable under most of the soil conditions considered here, recognition of the option value of investment indicates that it is preferable to delay investment in SSCM for at least 3 years unless average soil quality is high and the variability in soil quality and fertility is high. The use of the option value approach reveals that the value of waiting to invest in SSCM raises the cost-share subsidy rates required to induce immediate adoption above the levels indicated by the NPV rule. © 2000 Elsevier Science B.V. All rights reserved.
Simulating IGM Reionization
Creators: name: Ciardi, B.
name: Stoehr, F.
name: White, S. D. M.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have studied the IGM reionization process in its full cosmological context including structure evolution and a realistic galaxy population. We have used a combination of high-resolution N-body simulations (to describe the dark matter and diffuse gas component), a semi-analytic model of galaxy formation (to track the evolution of the sources of ionizing radiation) and the Monte Carlo radiative transfer code CRASH (to follow the propagation of ionizing photons into the IGM). The process has been followed in the largest volume ever used for this kind of study, a field region of the universe with a comoving length of L~20/h Mpc, embedded in a much larger cosmological simulation. To assess the effect of environment on the reionization process, the same radiative transfer simulations have been performed on a 10/h Mpc comoving box, centered on a clustered region. We find that, to account for the all ionizing radiation, objects with total masses of M~10^9 Msun must be resolved. In this case, the simulated stellar population produces a volume averaged ionization fraction x_v=0.999 by z~8, consistent with observations without requiring any additional sources of ionization. We also find that environment substantially affects the reionization process. In fact, although the simulated proto-cluster occupies a smaller volume and produces a higher number of ionizing photons, it gets totally ionized later. This is because high density regions, which are more common in the proto-cluster, are difficult to ionize because of their high recombination rates.
description: 10 pages, 9 figures, minor revisions, in press, MNRAS 343 (2003) 1101-1109
Supplementary document for Light Triggered 2D Electron Gas in GaN based HEMT with Sandwiched p-GaN Layers - 6535455.pdf
Creators: name: Wang, Yu
name: Liu, Chuankai
name: Qian, Hao
name: Liu, Hangzan
name: Han, Lixiang
name: Gao, Wei
name: Wang, Xiaozhou
name: Li, Jingbo
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: Supplement 1
Bayesian unfolding of charged particle $p_{\mathrm{T}} $ spectra with ALICE at the LHC
Creators: name: Krüger, Mario
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The study of the Quark-Gluon Plasma created in ultrarelativistic heavy-ion collisions at the CERN-LHC is complemented by reference measurements in proton-lead (p--Pb) and proton-proton (pp) collisions, where the effects of multiple-parton interactions and hadronization beyond independent string fragmentation can be investigated. In these proceedings, we present a Bayesian unfolding procedure to reconstruct the correlation between transverse momentum ($ p_{\mathrm{T}}$) spectra of charged particles and the corresponding charged-particle multiplicities $N_{\mathrm{ch}}$. The unfolded spectra are presented in single multiplicity ($ΔN_{\mathrm{ch}}$ = 1) bins and are used to derive moments of the $p_{\mathrm{T}} $ distributions. We illustrate the unfolding procedure of the $ p_{\mathrm{T}} $ spectra with a Monte Carlo simulation for pp collisions at a centre-of-mass energy of $\sqrt{\mathrm{s}}= 5.02$ TeV.
Limitations on Sub-Diffraction Imaging with a Negative Refractive Index Slab
Creators: name: Smith, D. R.
name: Schurig, D.
name: Rosenbluth, Marshall
name: Schultz, S.
name: Ramakrishna, S. Anantha
name: Pendry, J. B.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Condensed Matter (cond-mat)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Recently it has been proposed that a planar slab of material, for which both the permittivity and permeability have the values of -1, could bring not only the propagating fields associated with a source to a focus, but could also refocus the nonpropagating near-fields, thereby achieving a subdiffraction image. In this work we discuss the sensitivity of the subwavelength focus to various slab parameters, pointing out the connection to slab plasmon modes. We also note and resolve a paradox associated with the perfect imaging of a point source. We conclude that subwavelength resolution is achievable with available technology, but only by implementation of a critical set of design parameters.
description: pdf file