cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
All-Multiplicity Amplitudes with Massive Scalars
Creators: name: Forde, Darren
name: Kosower, David A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We compute two infinite series of tree-level amplitudes with a massive scalar pair and an arbitrary number of gluons. We provide results for amplitudes where all gluons have identical helicity, and amplitudes with one gluon of opposite helicity. These amplitudes are useful for unitarity-based one-loop calculations in nonsupersymmetric gauge theories generally, and QCD in particular.
description: 23 pages; final Phys. Rev. D version, minor corrections, appendix added
The CORALIE survey for southern extrasolar planets XIV. HD 142022 b: a long-period planetary companion in a wide binary
Creators: name: Eggenberger, A.
name: Mayor, M.
name: Naef, D.
name: Pepe, F.
name: Queloz, D.
name: Santos, N. C.
name: Udry, S.
name: Lovis, C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report precise Doppler measurements of HD 142022 obtained during the past six years with the CORALIE echelle spectrograph at La Silla Observatory together with a few additional observations made recently with the HARPS echelle spectrograph. Our radial velocities reveal evidence of a planetary companion with an orbital period P = 1928 +53-39 days, an eccentricity e = 0.53 +0.23-0.18, and a velocity semiamplitude K = 92 +102-29 m/s. The inferred companion minimum mass is M2sini = 5.1 +2.6-1.5 MJup and the semimajor axis a = 3.03+/-0.05 AU. Only one full orbital revolution has been monitored yet, and the periastron passage could not be observed since the star was too low on the horizon. The eccentricity and velocity semiamplitude remain therefore quite uncertain and the orbital solution is preliminary. HD 142022 is a chromospherically inactive K0 dwarf, metal rich relative to the Sun, and is the primary component of a wide binary. HD 142022 b is thus a new "planet in binary" candidate, and its high eccentricity might be due to secular interactions with the distant stellar companion.
description: 6 pages, 4 figures, accepted for publication in A&A
Radio frequency field-induced electron mobility in an ultracold plasma state of arrested relaxation
Creators: name: Wang, R.
name: Aghigh, M.
name: Marroquín, K. L.
name: Grant, K. M.
name: Sous, J.
name: Martins, F. B. V.
name: Keller, J. S.
name: Grant, E. R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: Penning ionization releases electrons in a state-selected Rydberg gas of nitric oxide entrained in a supersonic molecular beam. Subsequent processes of electron impact avalanche, bifurcation, and quench form a strongly coupled, spatially correlated ultracold plasma of NO$^+$ ions and electrons that exhibits characteristics of self-organized criticality. This plasma contains a residue of nitric oxide Rydberg molecules. A conventional fluid dynamics of ion-electron-Rydberg quasi-equilibrium predicts rapid decay to neutral atoms. Instead, the NO plasma endures for a millisecond or more, suggesting that quenched disorder creates a state of suppressed electron mobility. Supporting this proposition, a 60 MHz radiofrequency field with a peak-to-peak amplitude less than 1 V cm$^{-1}$ acts dramatically to mobilize electrons, causing the plasma to dissipate by dissociative recombination and Rydberg predissociation. An evident density dependence shows that this effect relies on collisions, giving weight to the idea of arrested relaxation as a cooperative property of the ensemble.
Exact-Exchange Kohn-Sham formalism applied to one-dimensional periodic electronic systems
Creators: name: Rohra, Stefan
name: Engel, Eberhard
name: Goerling, Andreas
Publisher: name: arXiv
Year: 2005
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The Exact-Exchange (EXX) Kohn-Sham formalism, which treats exchange interactions exactly within density-functional theory, is applied to one-dimensional periodic systems. The underlying implementation does not rely on specific symmetries of the considered system and can be applied to any kind of periodic structure in one to three dimensions. As a test system, $trans$-polyacetylene, both in form of an isolated chain and in the bulk geometry has been investigated. Within the EXX scheme, bandstructures and independent particle response functions are calculated and compared to experimental data as well as to data calculated by several other methods. Compared to results from the local-density approximation, the EXX method leads to an increased value for the band gap, in line with similar observations for three-dimensional semiconductors. An inclusion of correlation potentials within the local density approximation or generalized gradient approximations leads to only negligible effects in the bandstructure. The EXX band gaps are in good agreement with experimental data for bulk $trans$-polyacetylene. Packing effects of the chains in bulk $trans$-polyacetylene are found to lower the band gap by about 0.5 eV.
Towards Faithful Neural Table-to-Text Generation with Content-Matching Constraints
Creators: name: Wang, Zhenyi
name: Wang, Xiaoyang
name: An, Bang
name: Yu, Dong
name: Chen, Changyou
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Text generation from a knowledge base aims to translate knowledge triples to natural language descriptions. Most existing methods ignore the faithfulness between a generated text description and the original table, leading to generated information that goes beyond the content of the table. In this paper, for the first time, we propose a novel Transformer-based generation framework to achieve the goal. The core techniques in our method to enforce faithfulness include a new table-text optimal-transport matching loss and a table-text embedding similarity loss based on the Transformer model. Furthermore, to evaluate faithfulness, we propose a new automatic metric specialized to the table-to-text generation problem. We also provide detailed analysis on each component of our model in our experiments. Automatic and human evaluations show that our framework can significantly outperform state-of-the-art by a large margin.
description: Accepted at ACL2020
Non-linear extension of non-metricity scalar for MOND
Creators: name: D'Ambrosio, Fabio
name: Garg, Mudit
name: Heisenberg, Lavinia
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: General Relativity enjoys the freedom of different geometrical interpretations in terms of curvature, torsion or non-metricity. Within this geometrical trinity, a simpler geometrical formulation of General Relativity manifests itself in the latter, where gravity is entirely attributed to non-metricity. In this Letter, we consider non-linear extensions of Coincident General Relativity $f(\mathring{\mathbb{Q}})$ for phenomenological applications on both cosmological as well as galactic scales. The theory not only delivers dark energy on large scales but also recovers MOND on galactic scales, together with implications for the early universe cosmology. To the best of our knowledge, this represents the first relativistic, covariant, and ghost-free hybrid-formulation of MOND which recovers both, General Relativity and MOND in the appropriate limits and reconciles expected cosmological behavior. We further illustrate that previous bimetric formulations of MOND generically suffer from ghost instabilities and $f(\mathring{\mathbb{Q}})$ crystalizes as a unique ghost-free theory.
description: 6 pages
The Gluon Sivers Distribution in D production at RHIC
Creators: name: Anselmino, M.
name: Boglione, M.
name: Leader, E.
name: D'Alesio, U.
name: Murgia, F.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The single transverse spin asymmetry in D meson production at RHIC can provide a clean measure of the gluon Sivers distribution function. At intermediate rapidity, D production is largely dominated by the elementary gg -> c c-bar channel, where there cannot be any transverse spin transfer. Therefore, any transverse single spin asymmetry observed for D's produced in polarized proton-proton interactions can only originate from the Sivers effect in the gluon distribution functions. A sizeable transverse single spin asymmetry measured by PHENIX or STAR experiments would then give direct information on the size of the gluon Sivers distribution function.
description: 4 pages, 2 postscript figures, talk given by M. Boglione at SPIN04, 16th International Spin Physics Symposium, Trieste, Oct. 11-16 2004
Additional file 8 of Sexual dimorphism and sex-biased gene expression in an egg parasitoid species, Anastatus disparis
Creators: name: Liu, Peng-Cheng
name: Hao, De-Jun
name: Hu, Hao-Yuan
name: Wei, Jian-Rong
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 8: Table S8. Statistics of transcriptome assembly and predicted unigenes.
Tilting Instability of Magnetically Confined Spheromaks
Creators: name: Mehta, Riddhi
name: Barkov, Maxim
name: Sironi, Lorenzo
name: Lyutikov, Maxim
Publisher: name: arXiv
Year: 2020
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We consider the tilting instability of a magnetically confined spheromak using 3D MHD and relativistic PIC calculations with an application to astrophysical plasmas, specifically those occurring in magnetar magnetospheres. The instability is driven by the counter alignment of the spheromak's intrinsic magnetic dipole with the external magnetic field. Initially the spheromak rotates - tilts - trying to lower its magnetic potential energy. As a result a current sheet forms between the internal magnetic field of a spheromak and the confining field. Magnetic reconnection sets in; this leads to the annihilation of the newly counter-aligned magnetic flux of the spheromak. This occurs on few Alfvén time scales. In the case of higher order (second order) spheromak, the internal core is first pushed out of the envelope, resulting in formation of two nearly independent tilting spheromaks. Thus, the magnetically twisted outer shell cannot stabilize the inner core. During dissipation, helicity of the initial spheromak is carried away by torsional Alfvén waves, violating the assumptions of the Taylor relaxation theorem. In applications to magnetars' giant flares, fast development of tilting instabilities, and no stabilization of the higher order spheromaks, make it unlikely that trapped spheromaks are responsible for the tail emission lasting hundreds of seconds.
description: 20 pages, 10 figures, accepted for publication in Journal of Plasma Physics
Numerical Computation of the Stable and Unstable Manifolds of Invariant Tori
Creators: name: Wysham, Derin B.
name: Meiss, James D.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We develop an iterative technique for computing the unstable and stable eigenfunctions of the invariant tori of diffeomorphisms. Using the approach of Jorba, the linearized equations are rewritten as a generalized eigenvalue problem. Casting the system in this light allows us to take advantage of the speed of eigenvalue solvers and create an efficient method for finding the first order approximations to the invariant manifolds of the torus. We present a numerical scheme based on the power method that can be used to determine the behavior normal to such tori, and give some examples of the application of the method. We confirm the qualitative conclusions of the Melnikov calculations of Lomelí and Meiss (2003) for a volume-preserving mapping.
description: laTeX with 16 figures
title: Time-Varying Crash Risk: The Role of Stock Market Liquidity
Creators: name: Christoffersen, Peter
name: Feunou, Bruno
name: Jeon, Yoontae
name: Ornthanalai, Chayawat
Publisher: name: Bank of Canada
Year: 2016

description: We estimate a continuous-time model with stochastic volatility and dynamic crash probability for the S&P 500 index and find that market illiquidity dominates other factors in explaining the stock market crash risk. While the crash probability is time-varying, its dynamic depends only weakly on return variance once we include market illiquidity as an economic variable in the model. This finding suggests that the relationship between variance and jump risk found in the literature is largely due to their common exposure to market liquidity risk. Our study highlights the importance of equity market frictions in index return dynamics and explains why prior studies find that crash risk increases with market uncertainty level.
description: Nous estimons un modèle en temps continu à volatilité stochastique et à probabilité dynamique de krach appliqué à l’indice S&P 500. D’après nos conclusions, l’illiquidité du marché supplante les autres facteurs lorsqu’il s’agit d’expliquer le risque d’effondrement boursier. La probabilité de krach est variable dans le temps, mais sa dynamique ne dépend que faiblement de la variance du rendement dès lors que l’illiquidité du marché est intégrée comme variable économique dans le modèle. Au vu de ces résultats, la relation décrite dans la littérature entre la variance et le risque de saut tiendrait en grande partie à leur commune exposition au risque de liquidité du marché. Notre étude souligne ainsi l’importance des frictions du marché des actions dans la dynamique de rendement de l’indice et explique pourquoi les recherches antérieures montrent que le risque de krach augmente avec le niveau d’incertitude du marché.
Hammerschmidt, E. / Hauptmann, P. / Krüger, P. / Ouspensky, L. / Schulz, H.-J.: Symbolik des orthodoxen und orientalischen Christentums
Creators: name: Engberding, Hieronymus
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 47 (1963): Oriens christianus, Band 47
License to labour : a socio-institutional analysis of employment obstacles facing Vancouver’s foreign-trained engineers
Creators: name: Geddie, Katherine Paige
Publisher: name: University of British Columbia
Year: 2009

description: Many professionally trained immigrant applicants receive high marks in the selection process for their perceived value to the host Canadian society and economy. Upon arrival, however, many new immigrants find that employers and industry-regulated accreditation boards do not recognize their foreign degrees and work experience. In this thesis, I interview 25 underemployed or unemployed foreign-trained engineers in Vancouver to investigate the diversity of their experiences in the labour market. I focus on how they perceive the obstacles they are facing and how they are responding to these barriers in seeking employment. This thesis is situated in a growing body of literature that considers labour markets as complex, place-contingent, socially and institutionally embedded constructs. Using a "socio-institutionalist" approach, which refutes conventional neoclassical economics' theories of labour markets as free, self-equilibrating, and uninterrupted markets, enables me to compose, then put to work, a multilogical theoretical model that examines the ways in which various institutions control, shape, and govern access to professional engineering jobs in Vancouver. In particular, I draw upon theories of regulatory, social and cultural institutions in the labour market. I find that regulatory institutions, such as the Association of Professional Engineers and Geoscientists of British Columbia (APEGBC), create licensing obstacles that are indeed profound for new immigrants. In addition, many recent immigrants are excluded from local social networks that diffuse information about professional job availabilities; assistance is provided through inclusive immigrant and ethnic networks, but this rarely leads to professional employment. Lastly, many newcomers perceive their cultural institutional affiliation to be wanting, and so pursue Canadian academic credentials in an attempt to gain entrance into the market.
title: The Real-Time Properties of the Bank of Canada’s Staff Output Gap Estimates
Creators: name: Champagne, Julien
name: Poulin-Bellisle, Guillaume
name: Sekkel, Rodrigo
Publisher: name: Bank of Canada
Year: 2016

description: We study the revision properties of the Bank of Canada’s staff output gap estimates since the mid-1980s. Our results suggest that the average staff output gap revision has decreased significantly over the past 15 years, in line with recent evidence for the U.S. Alternatively, revisions from purely statistical methods to estimate the gap have not experienced the same drop in magnitude. We then examine the usefulness of real-time gap estimates for forecasting inflation and find no deterioration in forecast performance when inflation projections are conditioned on real time rather than on final estimates of the gap.
description: Nous étudions les propriétés de révision des estimations de l’écart de production produites par le personnel de la Banque du Canada depuis le milieu des années 1980. Nos résultats tendent à montrer que l’ampleur desdites révisions a généralement diminué de façon significative durant les 15 dernières années, ce qui est conforme à des résultats récents obtenus pour les États-Unis. Par ailleurs, nous n’observons pas la même diminution pour les révisions apportées aux estimations de l’écart de production provenant de méthodes purement statistiques. Nous examinons ensuite l’utilité des estimations en temps réel de l’écart de production pour prévoir l’inflation au Canada. Nous ne trouvons pas de détérioration dans la qualité des prévisions lorsque les projections d’inflation reposent sur des estimations en temps réel plutôt que sur des estimations finales de l’écart de production.
Enhancing the Open-Circuit Voltage of Perovskite Solar Cells by Embedding Molecular Dipoles within their Hole-Blocking Layer
Creators: name: Butscher, Julian F.
name: Intorp, Sebastian
name: Kress, Joshua
name: An, Qingzhi
name: Hofstetter, Yvonne J.
name: Hippchen, Nikolai
name: Paulus, Fabian
name: Bunz, Uwe H. F.
name: Tessler, Nir
name: Vaynzof, Yana
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Engineering the energetics of perovskite photovoltaic devices through the deliberate introduction of dipoles to control the built-in potential of the devices offers the opportunity to enhance their performance without the need to modify the active layer itself. In this work, we demonstrate how the incorporation of molecular dipoles into the bathocuproine (BCP) hole-blocking layer of inverted perovskite solar cells improves the device open-circuit voltage (VOC) and consequently, its performance. We explore a series of four thiaazulenic derivatives that exhibit increasing dipole moments and demonstrate that these molecules can be introduced into the solution-processed BCP layer to effectively increase the built-in potential within the device, without altering any of the other device layers. As a result the VOC of the devices is enhanced by up to 130 mV with larger dipoles resulting in higher VOCs. To investigate the limitations of this approach, we employ numerical device simulations that demonstrate that the highest dipole derivatives used in this work eliminate all limitations on the VOC stemming from the built-in potential of the device.
The BeppoSAX catalog of GRB X-ray afterglow observations
Creators: name: De Pasquale, M.
name: Piro, L.
name: Gendre, B.
name: Amati, L.
name: Antonelli, L. A.
name: Costa, E.
name: Feroci, M.
name: Frontera, F.
name: Nicastro, L.
name: Soffitta, P.
name: Zand, J. in't
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the X-ray afterglow catalog of BeppoSAX from the launch of the satellite to the end of the mission. Thirty-three X-ray afterglows were securely identified based on their fading behavior out of 39 observations. We have extracted the continuum parameters (decay index, spectral index, flux, absorption) for all available afterglows. We point out a possible correlation between the X-ray afterglow luminosity and the energy emitted during the prompt $γ$-ray event. We do not detect a significant jet signature within the afterglows, implying a lower limit on the beaming angle, neither a standard energy release when X-ray fluxes are corrected for beaming. Our data support the hypothesis that the burst should be surrounded by an interstellar medium rather than a wind environment, and that this environment should be dense. This may be explained by a termination shock located near the burst progenitor. We finally point out that some dark bursts may be explained by an intrinsic faintness of the event, while others may be strongly absorbed.
description: 24 pages, 12 figures. Article submitted for publication in Astronomy and Astrophysics
title: Housing Market Dynamics and Macroprudential Policy
Creators: name: Bruneau, Gabriel
name: Christensen, Ian
name: Meh, Cesaire
Publisher: name: Bank of Canada
Year: 2016

description: We perform an analysis to determine how well the introduction of a countercyclical loanto- value (LTV) ratio can reduce household indebtedness and housing price fluctuations compared with a monetary policy rule augmented with house price inflation. To this end, we construct a New Keynesian model in which a fraction of households borrow against the value of their houses and we introduce news shocks on housing demand. We estimate the model with Canadian data using Bayesian methods. We find that the introduction of news shocks can generate a housing market boom-bust cycle, the bust following unrealized expectations on housing demand. Our study also suggests that a countercyclical LTV ratio is a useful policy to reduce the spillover from the housing market to consumption, and to lean against news-driven boom-bust cycles in housing price and credit generated by expectations of future macroeconomic developments.
description: Nous procédons à une analyse visant à déterminer dans quelle mesure la mise en place d’un rapport prêt-valeur contracyclique peut réduire l’endettement des ménages et les variations des prix des logements comparativement à l’instauration d’une règle de politique monétaire tenant compte de la hausse des prix des logements. À cette fin, nous élaborons un modèle de type nouveau keynésien dans lequel une partie des ménages empruntent sur la valeur de leur propriété et nous appliquons des chocs anticipés, induits par de nouvelles informations, à la demande de logements. Nous estimons le modèle à l’aide de données canadiennes en recourant à des méthodes bayésiennes. Nous constatons que l’application de tels chocs peut générer un cycle d’expansion et de contraction du marché du logement, la contraction découlant d’attentes non remplies au regard de la demande de logements. Notre étude donne aussi à penser qu’un rapport prêt-valeur contracyclique constitue une mesure utile pour réduire les répercussions négatives du marché du logement sur la consommation et contrer les cycles d’expansion et de contraction des prix des logements et du crédit à l’habitation engendrés par les nouvelles informations et l’anticipation de l’évolution macroéconomique.
Optical conductivity in disordered alloys : an approach via the augmented space recursion
Creators: name: Tarafder, Kartick
name: Mookerjee, Abhijit
Publisher: name: arXiv
Year: 2005
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We present here a calculation of the configuration averaged optical conductivity of random binary alloys CuAu and AgAu. Our formulation is based on the augmented space formalism proposed by Mookerjee [J. Phys. C : Solid State Phys. {\bf 6} 1340 (1973)] and the optical conductivity is obtained directly through a recursive procedure suggested by Viswanath and Müller ["The user friendly recursion method", Troisieme Cycle de la Physique, en Suisse Romande (1993)].
description: 10 pages, 3 figures
Injective Modules and Prime Ideals of Universal Enveloping Algebras
Creators: name: Feldvoss, Joerg
Publisher: name: arXiv
Year: 2005
Subjects: subject: Representation Theory (math.RT)
subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics
subject: 17B35; 17B50; 17B55; 17B56

description: In this paper we study injective modules over universal enveloping algebras of finite-dimensional Lie algebras over fields of arbitrary characteristic. Most of our results are dealing with fields of prime characteristic but we also elaborate on some of their analogues for solvable Lie algebras over fields of characteristic zero. It turns out that analogous results in both cases are often quite similar and resemble those familiar from commutative ring theory.
description: 13 pages, typos corrected
Hammerschmidt, Ernst: Studies in the Ethiopic Anaphoras
Creators: name: Engberding, Hieronymus
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 47 (1963): Oriens christianus, Band 47
Contrast-to-noise ratio analysis of microscopic diffusion anisotropy indices in q-space trajectory imaging
Creators: name: Martin, Jan
name: Endt, Sebastian
name: Wetscherek, Andreas
name: Kuder, Tristan Anselm
name: Doerfler, Arnd
name: Uder, Michael
name: Hensel, Bernhard
name: Laun, Frederik Bernd
Publisher: name: arXiv
Year: 2020
Subjects: subject: Medical Physics (physics.med-ph)
subject: FOS: Physical sciences

description: Diffusion anisotropy in diffusion tensor imaging (DTI) is commonly quantified with normalized diffusion anisotropy indices (DAIs). Most often, the fractional anisotropy (FA) is used, but several alternative DAIs have been introduced in attempts to maximize the contrast-to-noise ratio (CNR) in diffusion anisotropy maps. Examples include the scaled relative anisotropy (sRA), the gamma variate anisotropy index (GV), the surface anisotropy (UAsurf), and the lattice index (LI). With the advent of multidimensional diffusion encoding it became possible to determine the presence of microscopic diffusion anisotropy in a voxel, which is theoretically independent of orientation coherence. In accordance with DTI, the microscopic anisotropy is typically quantified by the microscopic fractional anisotropy (uFA). In this work, in addition to the uFA, the four microscopic diffusion anisotropy indices (uDAIs) usRA, uGV, uUAsurf, and uLI are defined in analogy to the respective DAIs by means of the average diffusion tensor and the covariance tensor. Simulations with three representative distributions of microscopic diffusion tensors revealed distinct CNR differences when differentiating between isotropic and microscopically anisotropic diffusion. q-Space trajectory imaging (QTI) was employed to acquire brain in-vivo maps of all indices. For this purpose, a 15 min protocol featuring linear, planar, and spherical tensor encoding was used. The resulting maps were of good quality and exhibited different contrasts, e.g. between gray and white matter. This indicates that it may be beneficial to use more than one uDAI in future investigational studies.
description: 35 pages, 7 figures
The Fisheries and Aquaculture Advantage: Fostering food security and nutrition, increasing
Creators: name: Chakrabarti, Soma
name: Chakrabarti, Soma
Publisher: name: Unknown
Year: 2016
Subjects: subject: Agricultural and Food Policy
subject: climate change
subject: aquaculture
subject: fisheries
subject: smallholder farmers
subject: developing countries

description: This report presents selected achievements and lessons from the growing portfolio of fisheries and aquaculture investments supported by IFAD. The introduction summarizes key issues and gives an overview of IFAD-supported actions and impacts of working with smallholders in developing countries The final section presents some lessons learned from IFAD’s support in the sector and looks ahead to IFAD’s eleventh replenishment period and beyond.
A starquake model for Vela pulsar
Creators: name: Negi, P. S.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Various neutron star (NS) models correspond to an unrealistic mass range $\leq 0.5M_\odot$ for the Vela pulsar, if the observational constraints of the glitch healing parameter in the starquake model ($Q = I_{\rm core}/I_{\rm total} \leq 0.2$), are imposed on these models. However, we show that these observational constraints yield a realistic mass range for NS models, corresponding to a core given by the stiffest equations of state (EOS) and the envelope is characterized by the well known EOS of adiabatic polytrope, if the continuity of the adiabatic speed of sound together with pressure, energy-density, and the two metric parameters is assured at the core-envelope boundary of the models and this boundary is worked out on the basis of the `compatibility criterion' for hydrostatic equilibrium. The models yield the surface redshift $z_R \simeq 0.6913$ and mass $M \simeq 2.153 M_\odot$ for the ``central'' weighted mean value, $Q = 0.12 \pm 0.07$, of the glitch healing parameter of the Vela pulsar. These values of mass and surface redshift can increase upto $M \simeq 2.196 M_\odot$ and $z_R \simeq 0.7568$ (which represents an ultra-compact object (UCO; $z_R \geq 0.73$)) respectively for the upper weighted mean value of $Q \simeq 0.19$. However, for the lower weighted mean value of $Q \simeq 0.05$, the mass and surface redshift can decrease upto the values of $M \simeq 2.052 M_\odot$ and $z_R \simeq 0.6066$ respectively. The observation of the lower bound on the energy of a $γ$-ray pulse at about 0.30 MeV from the Vela pulsar in 1984 is in excellent agreement with the results of this study, provided this energy could be interpreted as the energy of a gravitationally redshifted electron-positron annihilation radiation from the star's surface.
description: 7 pages, including 2 tables and 2 figures, accepted for publication in MNRAS
Observation of modified hadronization in relativistic Au+Au collisions: a promising signature for deconfined quark-gluon matter
Creators: name: Sorensen, Paul R.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Measurements of identified particles from Au+Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV are reviewed. Emphasis is placed on nuclear modification, baryon-to-meson ratios, and elliptic flow at intermediate transverse momentum ($1.5 < p_T < 5$ GeV/c). Possible connections between (1) these measurements, (2) the running coupling for static quark anti-quark pairs at finite temperature, and (3) the creation of a deconfined quark-gluon phase are presented. Modifications to hadronization in Au+Au collisions are proposed as a likely signature for the creation of deconfined colored matter.
description: 8 pages, 5 figures, invited talk at the Strange Quark Matter 2004 conference, Cape Town, South Africa
AI, Blockchain, and Synthetic Biology: Catalyzing the Next Civilization
Creators: name: Félix de Oliveira Rodrigues, Dario Elias
Publisher: name: Zenodo
Year: 2024
Subjects: Artificial Intelligence
Blockchain
Synthetic Biology
Decentralization
Digital Decentralization
Ethical Democracy
Governance
Trust Tokens
Knowledge Tokens
Life Tokens

description: ABSTRACTThis paper explores the transformative potential of Artificial Intelligence (AI), Blockchain, and Synthetic Biology in shaping a new civilization. It introduces the concepts of knowledge tokens (AI), trust tokens (Blockchain), and life tokens (Synthetic Biology), emphasizing their roles in revolutionizing fields such as healthcare, finance, and sustainability. The ethical role of digital decentralization is underscored as a critical mechanism for ensuring transparency and equitable governance while addressing the risks of centralization and monopolization. The paper argues that while the synergy of these technologies could catalyze a more democratic and inclusive future, failure to decentralize may lead to concentrated power and unequal benefits
Dipolar Hole-Blocking Layers for Inverted Perovskite Solar Cells: Effects of Aggregation and Electron Transport Levels
Creators: name: Butscher, Julian F.
name: Sun, Qing
name: Wu, Yufeng
name: Stuck, Fabian
name: Hoffmann, Marvin
name: Dreuw, Andreas
name: Paulus, Fabian
name: Hashmi, A. Stephen K.
name: Tessler, Nir
name: Vaynzof, Yana
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Herein, we report on the synthesis and investigation of two triazino-isoquinoline tetrafluoroborate electrolytes as hole-blocking layers in methylammonium triiodide perovskite photovoltaic devices with fullerene electron extraction layer. We find that increasing the thickness of the dipolar hole-blocking layer results in a gradual increase in the open-circuit voltage suggesting that aggregation of the molecules can enhance the dipole induced by the layer. This finding is confirmed by theoretical calculations demonstrating that while both molecules exhibit a similar dipole moment in their isolated state, this dipole is significantly enhanced when they aggregate. Ultra-violet photoemission spectroscopy measurements show that both derivatives exhibit a high ionisation potential of 7 eV, in agreement with their effective hole-blocking nature demonstrated by the devices. However, each of the molecules shows a different electron affinity due to the increased conjugation of one of the derivatives. While the change in electron transport level between the two derivatives is as high as 0.3 eV, the difference in the open-circuit voltage of both types of devices is negligible, suggesting that the electron transport level plays only a minor role in determining the open-circuit voltage of the device. Numerical device simulations confirm that the increase in built-in potential, arising from the high dipole of the electrolyte layer, compensates for the non-ideal energetic alignment of the charge transport levels, resulting in high VOC for a range of electron transport levels. Our study demonstrates that the application of small molecule electrolytes as hole-blocking layer in inverted architecture perovskite solar cells is a powerful tool to enhance the open-circuit voltage of the devices and provides useful guidelines for designing future generations of such compounds.
Additional file 7 of Feasibility study to identify women of childbearing age at risk of pregnancy not using any contraception in The Health Improvement Network (THIN) database
Creators: name: Soriano, Lucía Cea
name: Asiimwe, Alex
name: Hemelrijck, Mieke Van
name: Bosco, Cecilia
name: Rodríguez, Luis A. García
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: Science Policy

description: Additional file 7. Read codes suggestive of vasectomy. List of Read codes.
Neues Licht über das Restaurationswerk des Jōḥannān von Mardē
Creators: name: Võõbus, Arthur
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 47 (1963): Oriens christianus, Band 47
Effects of riparian buffer width on songbirds and forest structure in the southern interior of British Columbia
Creators: name: Haag, Devon Adaire
Publisher: name: University of British Columbia
Year: 2009

description: In harvested landscapes, the retention of riparian buffers along streams may mitigate the effects of habitat loss and fragmentation by providing usable habitat for songbirds. To explore this hypothesis, I studied the influence of riparian buffer width on breeding songbirds and forest structure in a high elevation forest of south-central British Columbia. I studied four different buffer widths, consisting of very narrow (2-3 m), narrow (11-15 m), medium (30-34 m) and wide buffers (57-69 m). Buffer and control (unharvested forest) sites were each replicated twice for a total of ten study sites. I conducted spot map surveys and habitat sampling to measure width effects on songbird density and vegetation, and to assess the influence of forest structure on songbird density. To examine habitat use by forest birds, I observed the foraging behaviours and movements of four songbird species: winter wren, yellow-rumped warbler, golden-crowned kinglet and Townsend's warbler. Riparian buffer width had several effects on the songbirds breeding within the study area. First, buffer width influenced songbird community structure and composition. The juxtaposition of clearcut and forest in the study grids containing medium and wide buffers maximized species richness and diversity. As buffer width decreased, generalist and open-habitat species replaced forest species within the study grids; very narrow and narrow buffers provided little habitat for forest songbirds. Second, although changes in forest structure occurred across buffers, width was the most important factor determining the richness and density of forest songbird species. Third, buffer width influenced the movement patterns of foraging songbirds. Individuals in buffers moved greater distances upstream and downstream than they did towards and away from the stream; individuals in unharvested stands moved almost equally in all directions. Overall, there did not appear to be a threshold buffer width beyond which there was a disproportionate loss of species and individuals. Although several common forest species were present to a certain extent in all riparian buffers, forest songbirds would benefit most from buffers ≥ 30 m in width.
Ocean: Object-aware Anchor-free Tracking
Creators: name: Zhang, Zhipeng
name: Peng, Houwen
name: Fu, Jianlong
name: Li, Bing
name: Hu, Weiming
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Anchor-based Siamese trackers have achieved remarkable advancements in accuracy, yet the further improvement is restricted by the lagged tracking robustness. We find the underlying reason is that the regression network in anchor-based methods is only trained on the positive anchor boxes (i.e., $IoU \geq0.6$). This mechanism makes it difficult to refine the anchors whose overlap with the target objects are small. In this paper, we propose a novel object-aware anchor-free network to address this issue. First, instead of refining the reference anchor boxes, we directly predict the position and scale of target objects in an anchor-free fashion. Since each pixel in groundtruth boxes is well trained, the tracker is capable of rectifying inexact predictions of target objects during inference. Second, we introduce a feature alignment module to learn an object-aware feature from predicted bounding boxes. The object-aware feature can further contribute to the classification of target objects and background. Moreover, we present a novel tracking framework based on the anchor-free model. The experiments show that our anchor-free tracker achieves state-of-the-art performance on five benchmarks, including VOT-2018, VOT-2019, OTB-100, GOT-10k and LaSOT. The source code is available at https://github.com/researchmm/TracKit.
description: Accepted by ECCV2020
Modified dispersion relations and black hole physics
Creators: name: Ling, Yi
name: Hu, Bo
name: Li, Xiang
Publisher: name: arXiv
Year: 2005
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A modified formulation of energy-momentum relation is proposed in the context of doubly special relativity. We investigate its impact on black hole physics. It turns out that such modification will give corrections to both the temperature and the entropy of black holes. In particular this modified dispersion relation also changes the picture of Hawking radiation greatly when the size of black holes approaching the Planck scale. It can prevent black holes from total evaporation, as a result providing a plausible mechanism to treat the remnant of black holes as a candidate for dark matter.
description: 4 pages, Revtex. Final version to appear in PRD
ECONOMIC IMPACT EVALUATION OF GLOBAL MARKETING SUPPORT SERVICES - AN EXPORTS ASSISTANCE PROGRAM ON THE ECONOMY OF ARKANSAS
Creators: name: Upendram, Sreedhar
name: LaFerney, Preston E.
name: Miller, Wayne P.
name: Popp, Jennie S. Hughes
name: Rainey, Daniel V.
name: Upendram, Sreedhar
name: LaFerney, Preston E.
name: Miller, Wayne P.
name: Popp, Jennie S. Hughes
name: Rainey, Daniel V.
Publisher: name: Unknown
Year: 2004
Subjects: International Relations/Trade

description: This study determines the impact of Global Marketing Support Services (GMSS) - an exports assistance program in assisting 13 small and medium sized businesses to export. The total impact of exports (direct, indirect and induced effects) on added value, employment, labor income and tax impacts in Arkansas are estimated using Impact Analysis for Planning (IMPLAN).
Additional file 5 of Feasibility study to identify women of childbearing age at risk of pregnancy not using any contraception in The Health Improvement Network (THIN) database
Creators: name: Soriano, Lucía Cea
name: Asiimwe, Alex
name: Hemelrijck, Mieke Van
name: Bosco, Cecilia
name: Rodríguez, Luis A. García
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: Science Policy

description: Additional file 5. Read codes suggestive of other ways of contraception. List of Read codes.
Insights from Device Modeling of Perovskite Solar Cells
Creators: name: Tessler, Nir
name: Vaynzof, Yana
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In this perspective, we explore the insights into the device physics of perovskite solar cells gained from modeling and simulation of these devices. We discuss a range of factors that influence the modeling of perovskite solar cells, including the role of ions, dielectric constant, density of states, and spatial distribution of recombination losses. By focusing on the effect of non-ideal energetic alignment in perovskite photovoltaic devices, we demonstrate a unique feature in low recombination perovskite materials - the formation of an interfacial, primarily electronic, self-induced dipole that results in a significant increase in the built-in potential and device open-circuit voltage. Finally, we discuss the future directions of device modeling in the field of perovskite photovoltaics, describing some of the outstanding open questions in which device simulations can serve as a particularly powerful tool for future advancements in the field.
Additional file 6 of Feasibility study to identify women of childbearing age at risk of pregnancy not using any contraception in The Health Improvement Network (THIN) database
Creators: name: Soriano, Lucía Cea
name: Asiimwe, Alex
name: Hemelrijck, Mieke Van
name: Bosco, Cecilia
name: Rodríguez, Luis A. García
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: Science Policy

description: Additional file 6. Read codes suggestive of pregnancy. List of Read codes.
The Supersymmetric Fine-Tuning Problem and TeV-Scale Exotic Scalars
Creators: name: Nomura, Yasunori
name: Tweedie, Brock
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: A general framework is presented for supersymmetric theories that do not suffer from fine-tuning in electroweak symmetry breaking. Supersymmetry is dynamically broken at a scale Λ\approx (10 - 100) TeV, which is transmitted to the supersymmetric standard model sector through standard model gauge interactions. The dynamical supersymmetry breaking sector possesses an approximate global SU(5) symmetry, whose SU(3) x SU(2) x U(1) subgroup is explicitly gauged and identified as the standard model gauge group. This SU(5) symmetry is dynamically broken at the scale Λ, leading to pseudo-Goldstone boson states, which we call xyons. We perform a detailed estimate for the xyon mass and find that it is naturally in the multi-TeV region. We study general properties of xyons, including their lifetime, and study their collider signatures. A generic signature is highly ionizing tracks caused by stable charged bound states of xyons, which may be observed at the LHC. We also consider cosmology in our scenario and find that a consistent picture can be obtained. Our framework is general and does not depend on the detailed structure of the Higgs sector, nor on the mechanism of gaugino mass generation.
description: 53 pages, 7 figures
The Baikal neutrino experiment: from NT200 to NT200+
Creators: name: Kuzmichev, L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The Baikal neutrino telescope NT200 takes data since 1998. In 2005, the deployment of three additional strings for common operation with NT200 was finished. We describe the physics program and the design of the new telescope named NT200+ and present selected physical results obtained with NT200. First results from NT200+ will be presented at the conference.
description: 4 pages, 5 figures, Proceedings of 29th International Cosmic Ray Conference (ICRC) 2005, Pune, India
Anomalous Magnetic Moments and Quark Orbital Angular Momentum
Creators: name: Burkardt, Matthias
name: Schnell, Gunar
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We derive an inequality for the distribution of quarks with non-zero orbital angular momentum, and thus demonstrate, in a model-independent way, that a non-vanishing anomalous magnetic moment requires both a non-zero size of the target as well as the presence of wave function components with quark orbital angular momentum L_z>0.
description: 8 pages, to appear in Phys.Rev.D