cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Groundnut Production and Climatic Variability: Evidence from Uganda
Creators: name: Li, Aizhen
name: Bravo-Ureta, Boris E.
name: Okello, David
name: Deom, Carl
name: Puppala, Naveen
name: Li, Aizhen
name: Bravo-Ureta, Boris E.
name: Okello, David
name: Deom, Carl
name: Puppala, Naveen
Publisher: name: Unknown
Year: 2013
Subjects: subject: Crop Production/Industries
subject: Uganda
subject: Groundnuts
subject: Productivity
subject: GARCH
subject: Rainfall
subject: ENSO

description: This study contributes to understanding the relationship between climatic variables and groundnut production in different farming systems in Uganda. Alternative production function models are estimated using pooled cross-sectional time series data at the district level. The models incorporate land area, indicators for farming systems, technological change, and either rainfall or the El Niño–Southern Oscillation (ENSO) effect as variables to account for climatic conditions. The data set includes 333 observations corresponding to 37 districts for 9 consecutive years, from 1992 to 2000. Analyses were performed using a Translog functional form and GARCH estimators. The results suggest that the partial elasticity of production for land is positive, high and significant, which is consistent with a priori expectations. Farming systems are also found to have a significant impact on output variability. Climatic conditions, measured by rainfall, have a non-significant effect; but, when the ENSO phenomenon is used instead a significant negative effect is detected particularly for the warm phase. An important and alarming finding is a marked negative rate of technological change revealing productivity losses over the time period studied.
title: EuroStack – A European  Alternative for Digital  Sovereignty
Creators: name: Bria, Francesca
name: Timmers, Paul
name: Gernone, Fausto
Publisher: name: Bertelsmann Stiftung
publisherIdentifier: https://ror.org/01wj9hk44
publisherIdentifierScheme: ROR
Year: 2025
Subjects: Digitalisierung
Souveränität
Innovation
Wettbewerbsfähigkeit
Europa

description: More than 80% of Europe’s digital technologies and infrastructures are imported. 70% of foundational AI models used globally originate in the United States. Meanwhile, European companies account for just 7% of global research spending on software and the internet. These figures alone highlight Europe's heavy reliance on other economic powers in the digital sector. The EuroStack initiative aims to change that, serving as a cornerstone of the European Union’s push for digital sovereignty and self-determination.
The report outlines the “EuroStack” vision and intoduces a new initiative for Europe's digital future. It brings together leading companies, academics, policymakers and civil society to demonstrate how Europe's digital independence can be strenghened by enhancing the competitiveness of European industry, foster innovation and build resilient, sovereign infrastructures.
Commissioned by Bertelsmann Stiftung, supported by Stiftung Mercator, CEPS and UCL IIPP
Modeling Coupon Values for Ready-To-Eat Breakfast Cereals
Creators: name: Price, Gregory K.
name: Connor, John M.
name: Price, Gregory K.
name: Connor, John M.
Publisher: name: Unknown
Year: 2001
Subjects: subject: Marketing
subject: FOS: Economics and business

description: A theoretical framework is developed to highlight the significant determinants of coupon values. A fixed effects panel data model is fitted with data from the breakfast cereal industry. The explanatory variables include own retail price, brand loyalty, brand market share, rival coupon redemptions, and firm and product type indicators. Keywords: coupons, ready-to-eat breakfast cereals, panel data model
The collections of Cryptophagidae (Coleoptera, Cucujoidea) within the Dniester river basin of the territory of Ukraine
Creators: name: Ocheretna, Kateryna
Publisher: name: figshare
Year: 2019
Subjects: subject: Zoology
subject: FOS: Biological sciences

description: The Dniester is a river in the southwest of Ukraine, Moldova and, particularly, Poland (less than 2 % of area), which is playing the role of the border between the first two countries. The river basin includes the territories of Lviv, Ivano-Frankivsk, Ternopil and Chernivtsi Oblasts, as well as, to a lesser extent, part of Vinnytsia, Khmelnitsky, and Odessa Oblasts. In the middle current the Dniester River reaches the historical boundary between the ancient cultural, and ethnographic regions of Bukovina and Galicia, in the middle, and lower currents it reaches between Podillia, and Bessarabia.
Anomalous Hall Effect and Skyrmion Number in Real- and Momentum-space
Creators: name: Onoda, Masaru
name: Tatara, Gen
name: Nagaosa, Naoto
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the anomalous Hall effect (AHE) for the double exchange model with the exchange coupling $|J_H|$ being smaller than the bandwidth $|t|$ for the purpose of clarifying the following unresolved and confusing issues: (i) the effect of the underlying lattice structure, (ii) the relation between AHE and the skyrmion number, (iii) the duality between real and momentum spaces, and (iv) the role of the disorder scatterings; which is more essential, $σ_H$ (Hall conductivity) or $ρ_H$ (Hall resistivity)? Starting from a generic expression for $σ_H$, we resolve all these issues and classify the regimes in the parameter space of $J_H τ$ ($τ$: elastic-scattering time), and $λ_{s}$ (length scale of spin texture). There are two distinct mechanisms of AHE; one is characterized by the real-space skyrmion-number, and the other by momentum-space skyrmion-density at the Fermi level, which work in different regimes of the parameter space.
description: 4 pages, 1 figure, REVTeX
High-Priority Expected Waiting Times in the Delayed Accumulating Priority Queue with Applications to Health Care KPIs
Creators: name: Bilodeau, Blair
name: Stanford, David A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Probability (math.PR)
subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: We provide the first analytical expressions for the expected waiting time of high-priority customers in the delayed APQ by exploiting a classical conservation law for work-conserving queues. Additionally, we describe an algorithm to compute the expected waiting times of both low-priority and high-priority customers, which requires only the truncation of sums that converge quickly in our experiments. These insights are used to demonstrate how the accumulation rate and delay level should be chosen by health care practitioners to optimize common key performance indicators (KPIs). In particular, we demonstrate that for certain nontrivial KPIs, an accumulating priority queue with a delay of zero is always preferable. Finally, we present a detailed investigation of the quality of an exponential approximation to the high-priority waiting time distribution, which we use to optimize the choice of queueing parameters with respect to both classes' waiting time distributions.
description: 32 pages, 14 figures
Prospects for Exporting Liquefied Natural Gas from British Columbia: An Application of Monte Carlo Cost-Benefit Analysis
Creators: name: Zahynacz, Matt
name: Zahynacz, Matt
Publisher: name: Unknown
Year: 2013
Subjects: subject: Resource /Energy Economics and Policy
subject: LNG trade
subject: natural gas as coal replacement
subject: Monte Carlo simulation
subject: shale gas

description: British Columbia’s natural gas industry is currently facing competitive pressures from other gas-producing jurisdictions in North America. The emergence of shale gas developments has resulted in natural gas prices falling dramatically. Nonetheless, British Columbia is positioned to take advantage of growing markets in Asia that have considerably higher prices than in North America through the export of liquefied natural gas (LNG) in carrier ships. This paper aims to assess the economic viability of an LNG industry in British Columbia by analyzing world LNG prices and trade, market development, and costs through a Monte Carlo risk assessment.
Additional file 1 of Stimulatory effect of Echinacea purpurea extract on the trafficking activity of mouse dendritic cells: revealed by genomic and proteomic analyses
Creators: name: Yin, Shu-Yi
name: Wang, Wen-Hsin
name: Pei-Hsueh Wang
name: Aravindaram, Kandan
name: Pei-Ing Hwang
name: Wu, Han-Ming
name: Ning-Sun Yang
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Hematology

description: Authors’ original file for figure 1
The Reionization History at High Redshifts I: Physical Models and New Constraints from CMB Polarization
Creators: name: Haiman, Zoltan
name: Holder, Gilbert P.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The recent discovery of a high optical depth tau to Thomson scattering from the WMAP data implies that significant reionization took place at redshifts z~15. This discovery has important implications for the sources of reionization, and allows, for the first time, constraints to be placed on physical reionization scenarios out to redshift z~20. Using a new suite of semi-analytic reionization models, we show that the high value of tau requires a surprisingly high efficiency epsilon of the first generation of UV sources for injecting ionizing photons into the intergalactic medium. We find that no simple reionization model can be consistent with the combination of the WMAP result with data from the z<6.5 universe. Satisfying both constraints requires either of the following: (i) H_2 molecules form efficiently at z~20, survive feedback processes, and allow UV sources in halos with virial temperatures below Tvir=10^4 K to contribute substantially to reionization, or (ii) the efficiency epsilon in halos with Tvir>10^4K decreased by a factor of ~ 30 between (z~20) and (z~6). We discuss the relevant physical issues to produce either scenario, and argue that both options are viable, and allowed by current data. In detailed models of the reionization history, we find that the evolution of the ionized fractions in the two scenarios have distinctive features that Planck can distinguish at 3 sigma significance. At the high WMAP value for tau, Planck will also be able to provide tight statistical constraints on reionization model parameters, and elucidate much of the physics at the end of the Dark Ages. The sources responsible for the high optical depth discovered by WMAP should be directly detectable out to z~15 by the James Webb Space Telescope.
description: cosmetic changes to figures; text unchanged
Sustainability Dimension in the Adoption of Short Duration Pigeonpeas in Non-legumes-based Cropping Systems
Creators: name: Bantilan, Ma Cynthia S.
name: Parthasarathy, D.
name: Bantilan, Ma Cynthia S.
name: Parthasarathy, D.
Publisher: name: Unknown
Year: 1996
Subjects: subject: Crop Production/Industries
subject: Farm Management
subject: adoption
subject: sustainability
subject: short duration pigeonpeas

description: This paper establishes the linkage of short duration pigeonpea adoption to farmers' perceptions on the issue of sustainability. Results from a formal on-farm survey and rapid rural appraisals conducted in a drought prone area in Central India, confirm that: a) farmers have a high degree of awareness regarding the effects of intensive cultivation of cash crops such as sugarcane or cotton in irrigated tracts - in terms of reduced yields and increasing use of inputs; b) appropriate crop/varietal adoption and management practices are consciously taken to maintain productivity levels in the context of existing and desired cropping systems; and c) farmers increase or maintain soil fertility by rotation with nitrogen fixing legumes and alternate pigeonpea in different plots each year. Farmers are aware of the nodulation capacity of legumes such as pigeonpea. For these reasons, short duration pigeonpea is chosen as most appropriate for profitable double cropping in deep black soils. The crop is also grown as a boundary crop to prevent soil erosion.
An Intrinsic Absorption Complex Toward RXJ1230.8+0115: Geometry and Photoionization Conditions
Creators: name: Ganguly, Rajib
name: Masiero, Joseph
name: Charlton, Jane C.
name: Sembach, Kenneth R.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present HST/STIS and FUSE spectra of the quasar RXJ1230.8+0115 (V=14.4, z=0.117). In addition to Galactic, Virgo, and intervening absorption, this quasar is host to a remarkable intrinsic absorption complex. Four narrow absorption line systems, strong in CIV, NV, and OVI, lie within 5000 km/s of the QSO redshift. Three of the systems appear to be line-locked, two in NV, and two in OVI, with the common system residing in between the other two (in velocity). All three systems show signs of an intrinsic origin -- smooth wind-like profiles, high ionization, and partial coverage of the central engine. The fourth system, which appears at the systemic redshift of the QSO, may originate from host galaxy or intervening gas. Photoionization analyses imply column densities in the range 19.1
description: 16 pages using emulateapj latex document class, including 6 color figures, to appear in ApJ v598 n2
Additional file 2 of Stimulatory effect of Echinacea purpurea extract on the trafficking activity of mouse dendritic cells: revealed by genomic and proteomic analyses
Creators: name: Yin, Shu-Yi
name: Wang, Wen-Hsin
name: Pei-Hsueh Wang
name: Aravindaram, Kandan
name: Pei-Ing Hwang
name: Wu, Han-Ming
name: Ning-Sun Yang
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Hematology

description: Authors’ original file for figure 2
Multiwavelength Properties of the X-ray Sources in the Groth-Westphal Strip Field
Creators: name: Miyaji, Takamitsu
name: Sarajedini, Vicki
name: Griffiths, Richard E.
name: Yamada, Toru
name: Schurch, Matthew
name: Cristóbal-Hornillos, David
name: Motohara, Kentaro
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We summarize the multiwavelength properties of X-ray sources detected in the 80 ks XMM-Newton observation of the Groth-Westphal Strip. We find 23 XMM-Newton sources within the WFPC2 fields. Ten spectroscopic redshifts are available from the DEEP and CFRS projects and 4 of these show broad Mg II emission (type 1 AGNs). Two of those without any broad lines, nevertheless, have [NeV] emission which is an unambiguous signature of AGN activity, one of which is a narrow-line Seyfert 1 and the other a type 2 AGN. We have made near-infrared (NIR) spectroscopic observations using the Subaru OHS/CISCO spectrometer for five of the X-ray sources for which we found no indication of an AGN activity in the optical spectrum. We have detected H-alpha+[NII] emission in four of them. A broad H-alpha component and/or a large [NII]/H-alpha ratio is seen, suggestive of AGN activity. Nineteen sources have been detected in the Ks band and four of these are extremely red objects (I814-Ks>4). The optical counterparts for the majority of the X-ray sources are bulge-dominated with colors consistent with evolving elliptical galaxies, with starburst/AGN contamination. Assuming that the known local relations among the bulge luminosity,central velocity dispersion, and the mass of the central blackhole hold at about z=1, the AGN bolometric luminosity to Eddington luminosity ratio ranges from 0.3% to 10%. (abridged)
description: 18 pages, 6 figures, accepted for publication in Astronomical Journal
The Economics of Polypiping Artesian Bore Water Distribution
Creators: name: Batterham, Robert L.
name: Batterham, Robert L.
Publisher: name: Unknown
Year: 1996
Subjects: Environmental Economics and Policy
Research and Development/Tech Change/Emerging Technologies
Resource /Energy Economics and Policy

description: The water of the Great Artesian Basin is an important resource for the grazing industry in the semi-arid and arid areas of the Basin. The initial development of the Basin was a "free for all" in an open access environment. State governments now license bores to restrict the use of water, but enforcement varies across states. The most widespread use of the water from the Basin is for stock water. In some sub-basins users of stock water already compete with each other and with other uses of water. There are clear local externalities with neighbouring bores but the extent of extraction externalities of any bore on the entire Basin is probably limited. Most of the stock water is reticulated in bore drains. Replacement of the drains with a polypipe reticulation system (primarily a water saving technology) represents a major investment for users. The replacement decision is complicated by the necessity for unanimity among members of a Bore Trust and by financing constraints. As competition increases for the use of water, the pricing of water or the allocation of transferable water rights could provide incentives for the possible adoption of water saving technology.
Pedagogical comments about nonperturbative Ward-constrained melonic renormalization group flow
Creators: name: Lahoche, Vincent
name: Samary, Dine Ousmane
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: This paper, in addition to our recent works, intends to explore the behavior of the Wetterich flow equations in the portion of the theory space spanned by non-branching melons constrained with Ward-identities. We focus on a rank-5 just-renormalizable tensorial group field theory and consider a non-trivial extension of the local potential approximation namely effective vertex expansion for just-renormalizable quartic melonic interactions, disregarding effects coming from disconnected interactions. Investigating the dynamically constrained flow, we show explicitly that results weakly rely on the number of quartic interactions involved in the classical action. In particular, the predictions for the fully connected model are essentially the same as for the single colored model. Finally, closing the flow equations using Ward identities without additional assumptions to compute integrals involved in the effective vertex expansion, we do not find reliable fixed point in the unconstrained theory space connected with the Gaussian region.
description: 16 pages, 9 figures. arXiv admin note: substantial text overlap with arXiv:1904.05655
Probing the CP nature of the Higgs bosons by top-pair production at photon linear colliders
Creators: name: Asakawa, Eri
name: Hagiwara, Kaoru
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study effects of heavy Higgs bosons on the top-pair production process at photon linear colliders. The interference patterns between the resonant Higgs-production amplitudes and the continuum QED amplitudes are examined. The patterns tell us not only the CP nature of the Higgs bosons but also the phase of the $γγ$--Higgs vertex which gives new information about the Higgs couplings to new charged particles. We point out that it is necessary to use circularly polarized photon beams to produce efficiently heavy Higgs bosons whose masses exceed the electron beam energy, and show that the above interference patterns of the production amplitudes can be studied by observing top decay angular distributions. Analytic expressions for the helicity amplitudes for the sequential process $γγ\to t \bar{t} \to (bW^+) (\bar{b}W^-) \to (b f_1 \bar{f}_2) (\bar{b} f_3 \bar{f}_4)$ are presented in terms of the generic $γγ\to t \bar{t}$ production amplitudes.
description: 34 pages, LATEX file with 6 PS figures, comments added
Sequential Dominance
Creators: name: Antusch, Stefan
name: King, S. F.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We review the mechanism of sequential right-handed neutrino dominance proposed in the framework of the type I see-saw mechanism to account for bi-large neutrino mixing and a neutrino mass hierarchy in a natural way. We discuss how sequential dominance may also be applied to the right-handed charged leptons, which alternatively allows bi-large lepton mixing from the charged lepton sector. We review how such sequential dominance models may be upgraded to include type II see-saw contributions, resulting in a partially degenerate neutrino mass spectrum with bi-large lepton mixing arising from sequential dominance. We also summarise the model building applications and the phenomenological implications of sequential dominance.
description: 24 pages, 2 figures, submitted to the Focus Issue on Neutrino Physics edited by F.Halzen, M.Lindner and A.Suzuki, to be published in New Journal of Physics
Untitled Item
Creators: name: Ocheretna, Kateryna
Publisher: name: figshare
Year: 2019
Subjects: subject: Zoology
subject: FOS: Biological sciences

description: The Dniester is a river in the southwest of Ukraine, Moldova and, particularly, Poland (less than 2 % of area), which is playing the role of the border between the first two countries. The river basin includes the territories of Lviv, Ivano-Frankivsk, Ternopil and Chernivtsi Oblasts, as well as, to a lesser extent, part of Vinnytsia, Khmelnitsky, and Odessa Oblasts. In the middle current the Dniester River reaches the historical boundary between the ancient cultural, and ethnographic regions of Bukovina and Galicia, in the middle, and lower currents it reaches between Podillia, and Bessarabia.
Tuning the periodic V-peeling behavior of elastic tapes applied to thin compliant substrates
Creators: name: Menga, Nicola
name: Dini, Daniele
name: Carbone, Giuseppe
Publisher: name: arXiv
Year: 2019
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: In this paper, we investigate the periodic peeling behavior of opposing symmetric peeling fronts involving an elastic tape peeled off from a deformable substrate of finite thickness, backed onto a rigid foundation. We treat the problem by means of an energetic formulation, and we found that, depending on the values of the initial detached length $l$, substrate thickness $h$, and peeling periodicity $λ$, the translational invariance of the peeling process is lost and restored, as the elastic interaction between the peeling fronts is limited by the substrate thickness. Indeed, given $h$ and $λ$, a critical value of the detached length can be found, which is able to prevent unstable peeling of the tape under a fixed applied load, thus resulting in enhanced adhesion strength, with respect to the classical Kendall's solution for peeling from a rigid substrate. On the other hand, given the geometrical system configuration (i.e. the detached length $l$) the load necessary to trigger the peeling can be minimized by conveniently tuning the ratio $h/λ$. This feature might be of interest for the development of innovative designs for future biomedical devices, such as Transdermal Drug Delivery Systems or wound dressing, requiring low peel adhesion for safe successive removals.
description: Accepted manuscript on International Journal of Mechanical Science. This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 845756 (N.M. Individual Fellowship). D.D. acknowledges the support received from the EPSRC through his Established Career Fellowship EP/N025954/1
Frobenius modules and de Jong's theorem
Creators: name: Kedlaya, Kiran S.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Number Theory (math.NT)
subject: Algebraic Geometry (math.AG)
subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics
subject: 14F30; 13K05

description: Let k be a field of characteristic p>0. A theorem of de Jong shows that morphisms of modules over W(k)[[t]] with Frobenius and connection structure descend from the completion of W(k)((t)). A careful reading of de Jong's proof suggests the possibility that an analogous theorem holds for modules with only a Frobenius structure. We show that this analogue holds in one weak formulation and fails in a second stronger formulation.
description: 18 pages; v2: corrected errors in Proposition 4.3 and Lemma 5.4; to appear in Math. Res. Lett
Economic Policies of the G3: Implications for international exchange rates
Creators: name: Bell, Rosalyn
name: Danzi, Eric
name: Bell, Rosalyn
name: Danzi, Eric
Publisher: name: Unknown
Year: 1996
Subjects: Agricultural and Food Policy
Demand and Price Analysis
International Relations/Trade

description: Movements in major international exchange rates are of particular importance for Australian commodity exports because such changes will influence economic activity in the United States, Japan, and Germany and can therefore impact on demand for Australian commodities. In addition, the majority of Australia's contracts for commodities are in US dollar terms. Changes to fiscal and monetary policies in the United States, Japan and Germany are likely to have accounted for a significant proportion of the movements in international exchange rates in recent years. The possible impact of the US budget deficit reduction program, the implementation of Japan's announced fiscal packages, and German fiscal measures to comply with the Maastricht treaty requirements on the major international exchange rates are investigated in this paper.
The Reionization History at High Redshifts II: Estimating the Optical Depth to Thomson Scattering from CMB Polarization
Creators: name: Holder, Gilbert
name: Haiman, Zoltan
name: Kaplinghat, Manoj
name: Knox, Lloyd
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In light of the recent inference of a high optical depth to Thomson scattering, tau, from the WMAP data we investigate the effects of extended periods of partial ionization and ask if the value of tau inferred by assuming a single sharp transition is an unbiased estimate. We construct and consider several representative ionization models and evaluate their signatures in the CMB. If tau is estimated with a single sharp transition we show that there can be a significant bias in the derived value (and therefore a bias in sigma8 as well). For WMAP noise levels the bias in tau is smaller than the statistical uncertainty, but for Planck or a cosmic variance limited experiment the tau bias could be much larger than the statistical uncertainties. This bias can be reduced in the ionization models we consider by fitting a slightly more complicated ionization history, such as a two-step ionization process. Assuming this two-step process we find the Planck satellite can simultaneously determine the initial redshift of reionization to +-2 and tau to +-0.01 Uncertainty about the ionization history appears to provide a limit of about 0.005 on how well tau can be estimated from CMB polarization data, much better than expected from WMAP but significantly worse than expected from cosmic-variance limits.
description: 6 pages, 4 figures, version to appear in ApJ
Flowing in discrete gravity models and Ward identities: A review
Creators: name: Baloitcha, Ezinvi
name: Lahoche, Vincent
name: Samary, Dine Ousmane
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Ward-Takahashi identities are nonperturbative relations between correlation functions and arising from symmetries in quantum and statistical fields theories, as Noether currents conservation for classical theories. Since their historical origin, these identities were considered to prove the exact relation between counter-terms to all order of the perturbative expansion. Recently they have been considered in relation with nonperturbative renormalization group aspects for some classes of quantum field theories namely tensorial group field theories and matrix models, both characterized by a specific non-locality in their interactions, and expected to provide discrete models for quantum gravity. In this review, we summarize the state of the art, focusing on the conceptual aspects rather than technical subtleties, and provide a unified reflection on this novel and promising way of investigation. We attached great importance to the pedagogy and the self-consistency of the presentation.
description: 50 pages, 15 figures. arXiv admin note: substantial text overlap with arXiv:2001.00934, arXiv:1909.03327, arXiv:1904.05655
Estimating the Recreation Use Values of National Parks
Creators: name: Bennett, Jeffrey W.
name: Bennett, Jeffrey W.
Publisher: name: Unknown
Year: 1996
Subjects: subject: Environmental Economics and Policy
subject: Research Methods/ Statistical Methods
subject: Valuation
subject: environment
subject: policy

description: A comprehensive application of the travel cost method (TCM) to the estimation of the recreation use values of Dorrigo and Gibraltar Range National Parks is outlined. As well as providing value estimates that are useful for the development of park acquisition and management policy, the application also provides some important lessons for the future use of TCM. So long as some key assumptions relating to the value of travel time and site congestion are shown to hold, then a stream-lined version of the TCM can be used. The questionnaire required to implement the abridged version is brief, thus encouraging a better response rate. Survey and analysis costs are therefore likely to be lower, making the TCM a more cost-effective decision making tool.
A Ring Shaped Embedded Young Stellar (Proto)Cluster
Creators: name: Kumar, M. S. Nanda
name: Ojha, D. K.
name: Davis, C. J.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present sub-arcsec (FWHM ~ 0.5") J, H, K and L' images of a young stellar cluster associated with a candidate massive protostar IRAS22134+5834. The observations reveal a centrally symmetric, flattened cluster enclosing a central dark region. The central dark region is possibly a cavity within the flattened cluster. It is surrounded by a ring composed of 5 bright stars and the candidate massive protostar IRAS22134+5834. We construct JHKL' color-color and HK color-magnitude diagrams to identify the young stellar objects and estimate their spectral types. All the bright stars in the ring are found to have intrinsic infrared excess emission and are likely to be early to late B type stars. We estimate an average foreground extinction to the cluster of A_v \~ 5mag and individual extinctions to the bright stars in the range A_v ~ 20-40mag indicating possible cocoons surrounding each massive star. This ring of bright stars is devoid of any HII region. It is surrounded by an embedded cluster making this an example of a (proto)cluster that is in one of the dynamically least relaxed states. These observations are consistent with the recent non-axisymmetric calculations of Li & Nakamura, who present a star formation scenario in which a magnetically subcritical cloud fragments into multiple magnetically supercritical cores, leading to the formation of small stellar groups.
description: 13 pages in preprint format, 3 figures, 1 table
Additional file 3 of Stimulatory effect of Echinacea purpurea extract on the trafficking activity of mouse dendritic cells: revealed by genomic and proteomic analyses
Creators: name: Yin, Shu-Yi
name: Wang, Wen-Hsin
name: Pei-Hsueh Wang
name: Aravindaram, Kandan
name: Pei-Ing Hwang
name: Wu, Han-Ming
name: Ning-Sun Yang
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Hematology

description: Authors’ original file for figure 3
Water Policy Reform in Victoria - A Regional Perspective
Creators: name: Eigenraam, M.
name: Branson, Jane
name: Eigenraam, M.
name: Branson, Jane
Publisher: name: Unknown
Year: 1996
Subjects: Environmental Economics and Policy
Research Methods/ Statistical Methods
Resource /Energy Economics and Policy

description: This paper summarises the development of regional models to represent the Goulburn Murray Irrigation System (GMS) of northern Victoria. The models simulate the ability of farms to adapt to water policy reforms subject to biophysical and land constraints. Focus is given to current water property right structures and the impact these have on optimisation of demand for water. Derived demand curves are modelled for 14 Victorian irrigation regions which are used in a spatial model of the Goulburn Murray Irrigation System. Finally a discussion is provided on the future issues arising from water policy reform.
Tau Polarization in Tau-Neutrino Nucleon Scattering
Creators: name: Hagiwara, K.
name: Mawatari, K.
name: Yokoya, H.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the spin polarization of τ^{\pm} leptons produced in ν_τ and \barν_τ nucleon scattering via charged currents. Quasi-elastic scattering, Δresonance production and deep inelastic scattering processes are studied. The polarization information is essential for measuring the τ^{\pm} appearance rate in long baseline neutrino oscillation experiments, because the decay particle distributions depend crucially on the τ^{\pm} spin. In this article, we calculate the spin density matrix of each process and estimate the spin polarization vector in medium and high neutrino energy interactions. We find that the produced τ^{\pm}'s have high degree of polarization, and their spin direction depends non-trivially on the energy and the scattering angle of τ^{\pm} in the laboratory frame.
description: 23 pages, 35 figures; compile errors corrected; notation errors in Eq.(30) and (31) corrected, typo error in Eq.(40) corrected, references and comments in footnote added
Protecting a Forest From Incurable Disease: Disease prevention in the Jarrah forests of Western Australia
Creators: name: Brennan, Paul
name: Dole, David
name: Brennan, Paul
name: Dole, David
Publisher: name: Unknown
Year: 1996
Subjects: Environmental Economics and Policy
Land Economics/Use

description: A microscopic, soil-borne fungus has been gradually spreading through the Jarrah forest of W.A. for most of this century. On some sites this fungus can cause almost total forest destruction. Infection is incurable and the effects are irreversible. This paper develops a means for evaluating disease control measures and identifying the optimal level of protection. Standard protection measures are warranted for high and moderate impact sites, over a wide range of risks. Increased expenditure on forest protection is warranted for high and moderate impact sites at especially high risk.
The EarthASAP mission concept for a Lunar orbiting cubesat
Creators: name: de Castro, Ana I. Gomez
name: Beitia-Antero, Leire
name: Miravet-Fuster, Carlos E.
name: Tarabini, Lorenzo
name: Tomas, Albert
name: Vallejo, Juan Carlos
name: Canet, Ada
name: Sachkov, Mikhail
name: Kameda, Shingo
Publisher: name: arXiv
Year: 2019
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: There is a growing interest in Lunar exploration fed by the perception that the Moon can be made accessible to low-cost missions in the next decade. The on-going projects to set a communications relay in Lunar orbit and a deep space Gateway, as well as the spreading of commercial-of-the shelf (COTS) technology for small space platforms such as the cubesats contribute to this perception. Small, cubesat size satellites orbiting the Moon offer ample opportunities to study the Moon and enjoy an advantage point to monitor the Solar System and the large scale interaction between the Earth and the solar wind. In this article, we describe the technical characteristics of a 12U cubesat to be set in polar Lunar orbit for this purpose and the science behind it. The mission is named EarthASAP (Earth AS An exoPlanet) and was submitted to the Lunar Cubesats for Exploration (LUCE) call in 2016. EarthASAP was designed to monitor hydrated rock reservoirs in the Lunar poles and to study the interaction between the large Earth's exosphere and the solar wind in preparation for future exoplanetary missions.
Equivalence of effective superpotentials
Creators: name: Argurio, Riccardo
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We show that the low-energy effective superpotential of an N=1 U(N) gauge theory with matter in the adjoint and arbitrary even tree-level superpotential has, in the classically unbroken case, the same functional form as the effective superpotential of a U(N) gauge theory with matter in the fundamental and the same tree-level interactions, up to some rescalings of the couplings. We also argue that the same kind of reasoning can be applied to other cases as well.
description: 8 pages
Structural Change in Philippine Agriculture: A General Equilibrium Analysis
Creators: name: Buetre, Benjamin L.
name: Ahmadi-Esfahani, Fredoun Z.
name: Buetre, Benjamin L.
name: Ahmadi-Esfahani, Fredoun Z.
Publisher: name: Unknown
Year: 1996
Subjects: subject: Industrial Organization
subject: International Development
subject: Research Methods/ Statistical Methods
subject: computable general equilibrium
subject: the Philippines
subject: structural change

description: Analysis of changes in the industrial composition of economic activity (structural change) is important for informed policy making. Such analysis can best be undertaken using a computable general equilibrium (CGE) model. CGE models recognize links among industries arising from their roles as consumers of one another's products and from their competition for the economy's resources. In this paper, a detailed CGE model of the Philippines is employed to assess structural and technological change in Philippine agriculture during the period 1985 to 1992. The model estimates of technological change and other unobservable variables are used to explain structural change in Philipine agriculture and other sectors of the Philippine economy. The macroeconomic effects of this change are also discussed.
Additional file 4 of Stimulatory effect of Echinacea purpurea extract on the trafficking activity of mouse dendritic cells: revealed by genomic and proteomic analyses
Creators: name: Yin, Shu-Yi
name: Wang, Wen-Hsin
name: Pei-Hsueh Wang
name: Aravindaram, Kandan
name: Pei-Ing Hwang
name: Wu, Han-Ming
name: Ning-Sun Yang
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Hematology

description: Authors’ original file for figure 4
Low dimensional cohomology of general conformal algebras $gc_N$
Creators: name: Su, Yucai
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Algebra (math.QA)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 16B56; 17B65; 17B69

description: We compute the low dimensional cohomologies $\tilde H^q(gc_N,C)$, $H^q(gc_N,\C)$ of the infinite rank general Lie conformal algebras $gc_N$ with trivial coefficients for $q\le3, N=1$ or $q\le2, N\ge2$. We also prove that the cohomology of $gc_N$ with coefficients in its natural module is trivial, i.e., $H^*(gc_N,\C[\ptl]^N)=0$; thus partially solve an open problem of Bakalov-Kac-Voronov in [{\it Comm. Math. Phys.,} {\bf200} (1999), 561-598].
description: 18 pages
Propagation of ultra-high-energy cosmic rays in the magnetized cosmic web
Creators: name: Kim, Jihyun
name: Ryu, Dongsu
name: Roh, Soonyoung
name: Ha, Jihoon
name: Kang, Hyesung
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: A high concentration of ultra-high-energy cosmic ray (UHECR) events, called a hotspot, was reported by the Telescope Array (TA) experiment, but its origin still remains unsolved. One of the obstacles is that there is no astronomical object, which could be the source, behind the TA hotpot. In an effort to understand the origin of the TA hotspot, we suggested a model based on the magnetized cosmic web structure. The UHECRs were produced from sources in the Virgo cluster and were initially confined by cluster magnetic fields for a certain period. Next, some of them preferentially escaped to and propagated along filaments. Eventually, they were scattered by filament magnetic fields, and come to us. To examine the model, we followed the propagation trajectories of UHE protons in a simulated universe with clusters, filaments, and voids, by employing a number of models for cosmic magnetic fields. In this study, we present some of the initial results, such as the ratio between the particles directly escaping from the clusters to the voids and particles escaping from the clusters to the filaments. We also discuss the feasibility of our model for the origin of the hotspot by examining the trajectories of the UHE protons.
description: 8 pages, 2 figures, Proceedings of the 36th International Cosmic Ray Conference (ICRC 2019), July 24th - August 1st, Madison, WI, USA
Correlation Entropy of an Interacting Quantum Field and H-theorem for the O(N) Model
Creators: name: Calzetta, E. A.
name: Hu, B. L.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Following the paradigm of Boltzmann-BBGKY we propose a correlation entropy (of the nth order) for an interacting quantum field, obtained by `slaving' (truncation with causal factorization) of the higher (n+1 th) order correlation functions in the Schwinger-Dyson system of equations. This renders an otherwise closed system effectively open where dissipation arises. The concept of correlation entropy is useful for addressing issues related to thermalization. As a small yet important step in that direction we prove an H-theorem for the correlation entropy of a quantum mechanical O(N) model with a Closed Time Path Two Particle Irreducible Effective Action at the level of Next-to-Leading-Order large N approximation. This model may be regarded as a field theory in $0$ space dimensions.
description: 22 pages
Fabrication and electrical transport characterization of high quality underdoped YBa$_2$Cu$_3$O$_{7-δ}$ nanowires
Creators: name: Andersson, Eric
name: Arpaia, Riccardo
name: Trabaldo, Edoardo
name: Bauch, Thilo
name: Lombardi, Floriana
Publisher: name: arXiv
Year: 2019
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present the fabrication and electrical transport characterization of underdoped YBa$_2$Cu$_3$O$_{7-δ}$ nanowires. The nanowires have been realized without any protective capping layer and they show transport properties similar to those of the parent thin film, demonstrating that they have not been damaged by the nanopatterning. The current-voltage characteristics of the underdoped nanowires show large hysteretic voltage switching at the critical current, in contrast to the flux-flow like characteristics of optimally doped nanostructures, indicating the formation of a self-stabilizing hot spot. These results open up new possibilities of using the underdoped nanowires for single photon detection and for exploring the underdoped side of the YBa$_2$Cu$_3$O$_{7-δ}$ phase diagram at the nanoscale.
description: 6 pages, 4 figures
Economics of Genotypic Selection: The Role of Prediction Accuracy and Relative Genotyping Costs
Creators: name: Rajsic, Predrag
name: Weersink, Alfons
name: Navabi, Alireza
name: Pauls, Peter
name: Rajsic, Predrag
name: Weersink, Alfons
name: Navabi, Alireza
name: Pauls, Peter
Publisher: name: Unknown
Year: 2013
Subjects: subject: Crop Production/Industries
subject: Production Economics
subject: Productivity Analysis
subject: Research and Development/Tech Change/Emerging Technologies
subject: Risk and Uncertainty
subject: genotypic selection
subject: phenotypic selection
subject: marker assisted selection
subject: genomic selection
subject: genome wide selection

description: We provide a general framework for quantifying the effects of genotypic selection prediction accuracy and varying cost ratios of phenotyping to genotyping on the economic performance of genotypic selection relative to traditional phenotypic selection. Economic performance is measured using normalized average cost per unit of genetic gain. The economic performance of genotypic selection declines with (1) trait heritability, (2) relative cost of genotyping, and (3) the number of QTL (genes) affecting the trait. The benefits of increasing the training population size tend to be higher for traits with low heritability and traits affected by a larger number of QTL. The economically optimal sizes of the training population tend to be larger than the sizes that are typically used in current plant breeding programs.
A First Look at White Dwarf - M Dwarf Pairs in the Sloan Digital Sky Survey (SDSS)
Creators: name: Raymond, Sean N.
name: Szkody, Paula
name: Hawley, Suzanne L.
name: Anderson, Scott F.
name: Brinkman, J.
name: Covey, Kevin R.
name: McGehee, P. M.
name: Schneider, D. P.
name: West, Andrew A.
name: York, D. G.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have identified 109 White Dwarf (WD) - M dwarf pairs in the Sloan Digital Sky Survey (SDSS) with g < 20th magnitude. For each system we determined the temperature of the WD primary and the spectral type of the M dwarf secondary. Using H-alpha emission as a proxy for the chromospheric activity level of the M dwarf, we investigated correlations between the activity level and properties of the system. Compared with field M dwarfs (Hawley et al. 1996), we see a slightly higher active fraction of early-type stars, with activity levels similar to the field. We have conducted followup observations at the ARC 3.5m telescope to obtain radial velocity information and to search for short period binaries, which may be on the verge of interacting. We report on one system with a 4.1 hour period, and several additional systems with significant velocity variations.
description: 23 pages with 10 figures. Accepted by AJ, to appear in May 2003 issue
Observation of acoustically induced transparency for gamma-ray photons
Creators: name: Radeonychev, Y. V.
name: Khairulin, I. R.
name: Vagizov, F. G.
name: Kocharovskaya, Olga
Publisher: name: arXiv
Year: 2019
Subjects: subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We report an observation of a 148-fold suppression of resonant absorption of 14.4-keV photons from exp(-5.2) to exp(-0.2) with preservation of their spectral and temporal characteristics in an ensemble of the resonant two-level Fe-57 nuclei at room temperature. The transparency was induced via collective acoustic oscillations of nuclei. The proposed technique allows extending the concept of induced optical transparency to a hard x-ray/gamma-ray range and paves the way for acoustically controllable interface between x-ray/gamma-ray photons and nuclear ensembles, advancing the field of x-ray/gamma-ray quantum optics.