cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Clustering stock market companies via chaotic map synchronization
Creators: name: Basalto, N.
name: Bellotti, R.
name: De Carlo, F.
name: Facchi, P.
name: Pascazio, S.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Statistical Finance (q-fin.ST)
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: A pairwise clustering approach is applied to the analysis of the Dow Jones index companies, in order to identify similar temporal behavior of the traded stock prices. To this end, the chaotic map clustering algorithm is used, where a map is associated to each company and the correlation coefficients of the financial time series are associated to the coupling strengths between maps. The simulation of a chaotic map dynamics gives rise to a natural partition of the data, as companies belonging to the same industrial branch are often grouped together. The identification of clusters of companies of a given stock market index can be exploited in the portfolio optimization strategies.
description: 12 pages, 3 figures
Late-Time Tails of Wave Propagation in Higher Dimensional Spacetimes
Creators: name: Cardoso, Vitor
name: Yoshida, Shijun
name: Dias, Oscar J. C.
name: Lemos, Jose' P. S.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the late-time tails appearing in the propagation of massless fields (scalar, electromagnetic and gravitational) in the vicinities of a D-dimensional Schwarzschild black hole. We find that at late times the fields always exhibit a power-law falloff, but the power-law is highly sensitive to the dimensionality of the spacetime. Accordingly, for odd D>3 we find that the field behaves as t^[-(2l+D-2)] at late times, where l is the angular index determining the angular dependence of the field. This behavior is entirely due to D being odd, it does not depend on the presence of a black hole in the spacetime. Indeed this tails is already present in the flat space Green's function. On the other hand, for even D>4 the field decays as t^[-(2l+3D-8)], and this time there is no contribution from the flat background. This power-law is entirely due to the presence of the black hole. The D=4 case is special and exhibits, as is well known, the t^[-(2l+3)] behavior. In the extra dimensional scenario for our Universe, our results are strictly correct if the extra dimensions are infinite, but also give a good description of the late time behaviour of any field if the large extra dimensions are large enough.
description: 6 pages, 3 figures, RevTeX4. Version to appear in Rapid Communications of Physical Review D
Searching for Fast Neutrino Flavor Conversion Modes in Core-collapse Supernova Simulations
Creators: name: Abbar, Sajad
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Neutrinos propagating in dense neutrino media such as those in core-collapse supernovae can experience fast flavor conversions on scales much shorter than those expected in vacuum. It is believed that a necessary condition for the occurrence of fast modes is that the angular distributions of $ν_e$ and $\barν_e$ cross each other. However, most of the state-of-the-art supernova simulations do not provide such detailed angular information and instead, consider only a few moments of neutrino angular distributions. We here propose an efficient method to use these available few moments to search for fast modes in supernova simulations. Our method, which is based on searching for crossings in the angular distributions, can work with any number of moments provided by the simulation though a larger number of crossings can be captured when higher moments are available.
description: minor modifications to match the published version in JCAP
An Investigation into the Use of Wood vs. Steel and Concrete in Construction of the New SUB
Creators: name: Barekat, Fardin
name: Han, Ding Yuan
name: Dewan, Mahmud
name: Qian, Astro
Publisher: name: The University of British Columbia
Year: 2011

description: Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”
Augochlora (Augochlora) francisca Schrottky.A 1902
Creators: name: RAMOS, KELLI S.
name: KAWADA, RICARDO
name: BRANDÃO, CARLOS ROBERTO F.
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Halictidae
Augochlora
Augochlora francisca

description: Augochlora (Augochlora) francisca
 Schrottky, 1902a: 391
 Syntype: 1♀ ‘17.637 [Brazil, São Paulo, Jundiaí, ix.1900, M. Beron col.] ’.
description: Published as part of RAMOS, KELLI S., KAWADA, RICARDO & BRANDÃO, CARLOS ROBERTO F., 2015, Type specimens of bees (Hymenoptera, Apidae) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil, pp. 335-361 in Papéis Avulsos de Zoologia (São Paulo) (São Paulo) 55 (24) on page 350, DOI: 10.1590/0031-1049.2015.55.24, http://zenodo.org/record/4656393
Agrilus pauperculus Gory 1841
Creators: name: Curletti, Gianfranco
name: Migliore, Letizia
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Buprestidae
Agrilus
Agrilus pauperculus

description: Agrilus pauperculus Gory, 1841
 Agrilus pauperculus Gory, 1841: 262.
 Material examinado: BRASIL, Minas Gerais, Sertão de Diamantina (Fazenda das Melancias), 1 ex., X-XI.1902, E. Gounelle leg. (identificado por Kerremans como A. umbratus; identificado por Théry como Agrilus pauperculus).
description: Published as part of Curletti, Gianfranco & Migliore, Letizia, 2014, O gênero Agrilus Curtis, 1829 nas coleções do Museu de Zoologia da Universidade de São Paulo (Coleoptera: Buprestidae), pp. 81-106 in Papéis Avulsos de Zoologia (São Paulo) (São Paulo) 54 (8) on page 103, DOI: 10.1590/0031-1049.2014.54.08, http://zenodo.org/record/4656297
GBT Discovery of Two Binary Millisecond Pulsars in the Globular Cluster M30
Creators: name: Ransom, Scott M.
name: Stairs, Ingrid H.
name: Backer, Donald C.
name: Greenhill, Lincoln J.
name: Bassa, Cees G.
name: Hessels, Jason W. T.
name: Kaspi, Victoria M.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the discovery of two binary millisecond pulsars in the core-collapsed globular cluster M30 using the Green Bank Telescope (GBT) at 20 cm. PSR J2140-2310A (M30A) is an eclipsing 11-ms pulsar in a 4-hr circular orbit and PSR J2140-23B (M30B) is a 13-ms pulsar in an as yet undetermined but most likely highly eccentric (e>0.5) and relativistic orbit. Timing observations of M30A with a 20-month baseline have provided precise determinations of the pulsar's position (within 4" of the optical centroid of the cluster), and spin and orbital parameters, which constrain the mass of the companion star to be m_2 >~ 0.1Msun. The position of M30A is coincident with a possible thermal X-ray point source found in archival Chandra data which is most likely due to emission from hot polar caps on the neutron star. In addition, there is a faint (V_555 ~ 23.8) star visible in archival HST F555W data that may be the companion to the pulsar. Eclipses of the pulsed radio emission from M30A by the ionized wind from the compact companion star show a frequency dependent duration (\proptoν^{-α} with α~ 0.4-0.5) and delay the pulse arrival times near eclipse ingress and egress by up to 2-3 ms. Future observations of M30 may allow both the measurement of post-Keplerian orbital parameters from M30B and the detection of new pulsars due to the effects of strong diffractive scintillation.
description: 10 pages, 6 figures, Submitted to ApJ. This version includes many recommended modifications, an improved structure, a new author, and a completely redone optical analysis
DIE VRAAG NA BROOD IN SUID-AFRIKA, 1984-90: 'n STREEKSBENADERING
The demand for bread in South Africa, 1984-90: A regional approach
Creators: name: Niebuhr, H. G.
name: Van Zyl, J.
name: Niebuhr, H. G.
name: Van Zyl, J.
Publisher: name: Unknown
Year: 1992
Subjects: Agricultural and Food Policy
Demand and Price Analysis

description: In this article the demand for bread over the past number of years is analysed on a monthly basis. This is supplemented by an econometric analysis of factors which influence the demand for bread. Time-series data were used for the analyses. Results accentuate, contrary to the present situation, the necessity of a differential marketing strategy and policy for white and brown bread.
Paper SAJP Aminah NH Mohamed.pdf
Creators: name: Mohamed, Noor Hassline
Publisher: name: figshare
Year: 2020
Subjects: subject: Developmental and Educational Psychology
subject: 170106 Health, Clinical and Counselling Psychology
subject: FOS: Psychology
subject: 170113 Social and Community Psychology

description: Autism Spectrum Disorder (ASD) refers to a group of developmental disorders. Although global prevalence of ASD is reported to be between 3-6 children per 1000, there is difficulty in comparing prevalence of ASD across countries because of the variation in methodology, age group of population and the sample size studied. Prevalence of ASD shows an increasing trend and factors attributing to the rise in prevalence include the increase in awareness on the signs and symptoms of ASD, the increase in access to services, the changes in the definition of autism over time and the broadening of the diagnostic criteria. Among the administrative factors also linked to the increase in prevalence were changes in reporting practices and availability of records. Prior to 1990’s diagnosis of ASD was more often after entrance to school. Currently there are diagnostic tools available and the diagnosis can be made among toddlers. However for those on the milder end of the spectrum with average or above average language and cognitive abilities, the diagnosis is still made after school entry. Early detection, diagnosis and intervention are important in promoting better long-term outcomes and as such screening programmes need to be in place. Sustainability of the program requires training of primary care providers, use of specially designed tools for screening and protocols for referral, and a multidisciplinary diagnostic team. This paper shares the Malaysian experience in implementing a screening programme since 2011 and the outcomes of the screening programme for ASD in primary care
Symbolic Summation and Higher Orders in Perturbation Theory
Creators: name: Moch, S.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Higher orders in perturbation theory require the calculation of Feynman integrals at multiple loops. We report on an approach to systematically solve Feynman integrals by means of symbolic summation and discuss the underlying algorithms. Examples such as the non-planar vertex at two loops, or integrals from the recent calculation of the three-loop QCD corrections to structure functions in deep-inelastic scattering are given.
description: 5 pages, 2 figures, latex
A survey of extended radio jets with Chandra and HST
Creators: name: Sambruna, R. M.
name: Gambill, J. K.
name: Maraschi, L.
name: Tavecchio, F.
name: Cerutti, R.
name: Cheung, C. C.
name: Urry, C. M.
name: Chartas, G.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the results from an X-ray and optical survey of a sample of 17 radio jets in AGN performed with Chandra and HST. The sample was selected from the radio and is unbiased toward detection at shorter wavelengths, but preferentially it includes beamed sources. We find that X-ray emission is common on kpc-scales, with over half radio jets exhibiting at least one X-ray knot on the Chandra images. The distributions of the radio-to-X-ray and radio-to-optical spectral indices for the detected jets are similar to the limits for the non-detections,suggesting all bright radio jets have X-ray counterparts which will be visible in longer observations. Comparing the radio and X-ray morphologies shows that the majority of the X-ray jets have structures that closely map the radio. Analysis of the SED of the jet knots suggest the knots in which the X-ray and radio morphologies track each other produce X-rays by IC scattering of the Cosmic Microwave Background. The remaining knots produce X-rays by the synchrotron process. Spectral changes are detected along the jets, with the ratio of the X-ray-to-radio and optical-to-radio flux densities decreasing from the inner to the outer regions. This suggests the presence of an additional contribution to the X-ray flux in the jet's inner part, either from synchrotron or IC of the stellar light. Alternatively, in a pure IC/CMB scenario, the plasma decelerates as it flows from the inner to the outer regions. Finally, the X-ray spectral indices for the brightest knots are flat, indicating that the bulk of the luminosity of the jets is emitted at GeV energies, and raising the interesting possibility of future detections with GLAST.
description: 26 pages, 6 ps figures, 6 jpeg figures (1 replaced); accepted for publication in ApJ
Assessing Energy Storage Requirements Based on Accepted Risks
Creators: name: Evans, Michael P.
name: Tindemans, Simon H.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optimization and Control (math.OC)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper presents a framework for deriving the storage capacity that an electricity system requires in order to satisfy a chosen risk appetite. The framework takes as inputs user-defined event categories, parameterised by peak power-not-served, acceptable number of events per year and permitted probability of exceeding these constraints, and returns as an output the total capacity of storage that is needed. For increased model accuracy, our methodology incorporates multiple nodes with limited transfer capacities, and we provide a foresight-free dispatch policy for application to this setting. Finally, we demonstrate the chance-constrained capacity determination via application to a model of the British network.
Caenaugochlora (Caenaugochlora) bennetti Goncalves & Engel 2010
Creators: name: RAMOS, KELLI S.
name: KAWADA, RICARDO
name: BRANDÃO, CARLOS ROBERTO F.
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Halictidae
Caenaugochlora
Caenaugochlora bennetti

description: Caenaugochlora (Caenaugochlora) bennetti Gonçalves & Engel, 2010: 73
 Paratypes: 1♀ and 1♂ ‘ Ecuador, Cuenca Azuay Prov. [ince], 13.iii.1965 ’ ‘ L.E. Pena, collector’.
  Caenaugochlora (Caenaugochlora) quichua Gonçalves & Engel, 2010: 75
 Paratypes: 1♀ and 1♂ ‘ Ecuador: Pich. above Tandapi, 08.ii.1983, 2300 m, Masner Sharker [col.] ’; 1♂ ‘ Ecuador, A/uasi, 18.vi.1914, H.S. Parish [col.] ’.
description: Published as part of RAMOS, KELLI S., KAWADA, RICARDO & BRANDÃO, CARLOS ROBERTO F., 2015, Type specimens of bees (Hymenoptera, Apidae) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil, pp. 335-361 in Papéis Avulsos de Zoologia (São Paulo) (São Paulo) 55 (24) on page 352, DOI: 10.1590/0031-1049.2015.55.24, http://zenodo.org/record/4656393
Exclusive final state hadron observables from neutrino-nucleus multi-nucleon knockout
Creators: name: Sobczyk, J. E.
name: Nieves, J.
name: Sánchez, F.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present results of an updated calculation of the 2p2h (two particle two hole) contribution to the neutrino-induced charge-current cross section. We provide also some exclusive observables, interesting from the point of view of experimental studies, e.g. distributions of momenta of the outgoing nucleons and of available energy, which we compare with the results obtained within the NEUT generator. We also compute, and separate from the total, the contributions of 3p3h mechanisms. Finally, we discuss the differences between the present results and previous implementations of the model in MC event-generators, done at the level of inclusive cross sections, which might significantly influence the experimental analyses, particularly in the cases where the hadronic observables are considered.
description: 15 pages, 9 figures
Wavefield Reconstruction Inversion: an example
Creators: name: Symes, William W.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: 86-08, 35R30

description: Nonlinear least squares data-fitting driven by physical process simulation is a classic and widely successful technique for the solution of inverse problems in science and engineering. Known as "Full Waveform Inversion" in application to seismology, it can extract detailed maps of earth structure from near-surface seismic observations, but also suffers from a defect not always encountered in other applications: the least squares error function at the heart of this method tends to develop a high degree of nonconvexity, so that local optimization methods (the only numerical methods feasible for field-scale problems) may fail to produce geophysically useful final estimates of earth structure, unless provided with initial estimates of a quality not always available. A number of alternative optimization principles have been advanced that promise some degree of release from the multimodality of Full Waveform Inversion, amongst them Wavefield Reconstruction Inversion, the focus of this paper. Applied to a simple 1D acoustic transmission problem, both Full Waveform and Wavefield Reconstruction Inversion methods reduce to minimization of explicitly computable functions, in an asymptotic sense. The analysis presented here shows explicitly how multiple local minima arise in Full Waveform Inversion, and that Wavefield Reconstruction Inversion can be vulnerable to the same "cycle-skipping" failure mode.
title: Imaginaries of Sexual Citizenship in Post-Maidan Ukraine: A Queer Feminist Discursive Investigation
Creators: name: Plakhotnik, Olga
Publisher: name: The Open University
Year: 2019

description: This doctoral project is an investigation of the imaginaries of sexual citizenship in post-Maidan Ukraine. I used a queer feminist discourse analysis method to examine how LGBT+ communities seek to position themselves in relation to hegemonic discourses of state and nationhood. Collecting data from focus group discussions and online forums, I identified the Euromaidan (2013-2014) as a pivotal moment wherein sexual citizenship was intensified as a dynamic process of claims-making and negotiation between LGBT+ communities and the state. Analysing how LGBT+ communities imagine and make sense of sexual citizenship, I demonstrated how the dominant discourse of sexual citizenship – homopatriotism, as I call it – emerged as a specific form of homonormativity at the complex intersection of the post-Maidan nationalist mobilisation, war in the eastern part of Ukraine, global human rights discourse, post-socialism, neoliberalism and axes of colonial power. Through homopatriotism, the universal discourse of (neoliberal) human rights and the particular discourse of Ukrainian ‘civic nationalism’ have become intertwined. This enmeshment, I argue, positioned LGBT+ communities as patriots and ‘good citizens’ and enabled instrumentalisation of the LGBT+ claims for sexual citizenship by the state. Being oriented towards Western models of ‘LGBT+ progress’ and away from ‘Russian’ and ‘Soviet’ regimes of sexuality, homopatriotism in Ukraine reinvigorated the geotemporal position of Eastern Europe as undeveloped and, therefore, ‘catching up’. Following the methodological and ethical bases of queer feminist studies, I looked closely at the counter-discourses that are scattered across the communities, with particular emphasis on grassroots ‘queer activism’. Opposing both heteronormativity and homonormativity, critiquing capitalist/neoliberal, militarist, racist, ableist, misogynist and Western-centred tendencies within mainstream LGBT+ politics, the counter-discourses point to the analytic limits of the concept of sexual citizenship and enable alternative imaginaries of belonging, subjectivities and solidarities to emerge beyond the framework of sexual citizenship.
Dynamically assisted Schwinger mechanism and chirality production in parallel electromagnetic field
Creators: name: Taya, Hidetoshi
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Nuclear Theory (nucl-th)
subject: Plasma Physics (physics.plasm-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study particle and chirality production from the vacuum in the presence of a slow strong parallel electromagnetic field superimposed by a fast weak perturbative electromagnetic field. We derive an analytical formula for the particle and chirality production number based on the perturbation theory in the Furry picture. With the formula, we analytically discuss the interplay and dynamical assistance between the Schwinger mechanism and one-photon pair production and clarify effects of a parallel slow strong magnetic field. We also show that the dynamical assistance can significantly enhance chirality production, and that a sizable amount of chirality can be produced even for massive particles. Phenomenological applications including heavy-ion collisions and intense laser experiments are also discussed.
description: 17 pages, 5 figures; v2: references updated, typos corrected, to be published in PRR
Agrilus lewisellus Kerremans 1903
Creators: name: Curletti, Gianfranco
name: Migliore, Letizia
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Buprestidae
Agrilus
Agrilus lewisellus

description: Agrilus lewisellus Kerremans, 1903
 Agrilus lewisellus Kerremans, 1903: 287.
 Material examinado: JAPÃO, Tokyo, Hihawa, 3 exs., 17.V.1960, N. Inahara leg. Inahara det.
description: Published as part of Curletti, Gianfranco & Migliore, Letizia, 2014, O gênero Agrilus Curtis, 1829 nas coleções do Museu de Zoologia da Universidade de São Paulo (Coleoptera: Buprestidae), pp. 81-106 in Papéis Avulsos de Zoologia (São Paulo) (São Paulo) 54 (8) on page 103, DOI: 10.1590/0031-1049.2014.54.08, http://zenodo.org/record/4656297
In-situ grown single crystal aluminum as a non-alloyed ohmic contact to n-ZnSe by molecular beam epitaxy (MBE)
Creators: name: Fan, Zongjian
name: Bunk, Ryan
name: Wang, Guangying
name: Woodall, Jerry M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Novel ohmic contacts to n-ZnSe are demonstrated using single crystal Al films deposited on epitaxially grown ZnSe (100) by molecular beam epitaxy (MBE). Electron Backscatter Diffraction (EBSD) confirmed the single crystalline structure of the Al films. The (110)-oriented Al layer was rotated rotated 45$^\circ$ relative to substrate to match the ZnSe (100) lattice constant. The as-grown Al-ZnSe contact exhibited nearly ideal ohmic characteristics over a large doping range of n-ZnSe without any additional treatment. The contact resistances are in a range of 10$^{-3}$ $Ω$-cm$^{2}$ for even lightly doped ZnSe ($\sim$10$^{17}$ cm$^{-3}$). Leaky Schottky behavior in lightly doped ZnSe samples suggested Al-ZnSe formed a low barrier height, Schottky limit contact. In-situ grown Al could act as a simple metal contact to n-ZnSe regardless of carrier concentration with lower resistance compared to other reported contacts in literatures. The reported novel metallization method could greatly simplify the ZnSe-based device fabrication complexity as well as lower the cost
2D $R^2$ gravity in weak coupling limit
Creators: name: Zubkov, M. A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: 2D $R^2$ quantum gravity in infinitely large invariant volume is considered. In weak coupling limit the dynamics is reduced to quantum mechanics of a single degree of freedom. The correspondent two - point Green function is calculated explicitly in Gaussian approximation.
description: Accepted for publication in Phys. Lett. B
Energy system development pathways for Ethiopia: Policy Brief
Creators: name: Usher, William
name: Pappis, Ioannis
name: Sahlberg, Andreas
name: Teferi, Solomon
name: Walle, Tewodros
name: Kebede, Fitsum
Publisher: name: Zenodo
Year: 2021
Subjects: energy
OSeMOSYS
OnSSET
Ethiopia

description: Ethiopia´s ambitious electrification targets can be achieved at lower cost with a greater role for off-grid technologies Aside from hydropower, there are significant roles for solar, wind, geothermal as well as fossil generation supply side technologies Significant revenue potential from energy trade opportunities could cover up to 30% of the costs of new electricity capacity in Ethiopia between 2015 and 2065 The large expansion of hydropower will link Ethiopian energy security to the uncertain impacts of climate change
Additional file 5 of Phenological variation of flower longevity and duration of sex phases in a protandrous alpine plant: potential causes and fitness significance
Creators: name: Zhigang Zhao
name: Hou, Meng
name: Yijie Wang
name: Guozhen Du
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 5 : Figure S5. The effects of pollen removal and pollen deposition on sexual phase durations. (White box is the control, gray box is the pollination treatment).
Statistical Properties of The First Excited State of an Interacting Many Particle Disordered System
Creators: name: Berkovits, Richard
name: Gefen, Yuval
name: Lerner, Igor V.
name: Altshuler, Boris L.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The distribution $P_1$ of the first many-body excitation energy of a weakly and moderately interacting electron gas in a finite conductor (in the diffusive regime) is calculated. As the interaction is increased, $P_1$ crosses over from Wigner-Dyson to Poisson. We characterize this transition through the inverse participation ratio in Hilbert space, and examine its manifestation in a projected 2-dimensional space.
description: 5 pages, 5 figures, corrected abstract posting
Additional file 1 of Temporal and spatial variations of vegetation in a riparian zone of South Korea
Creators: name: Hyekyung Park
name: Kim, Jae Geun
Publisher: name: figshare
Year: 2020
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Additional file 1: Table S1. List of species observed at each elevation (low, middle, and high) in pre-flooding, post-flooding 1, and post-flooding 2 in the studied riparian zone. Figure S1. The map of study site and schematic diagram of field survey. Figure S2. Variations of water level from January to October 2019 at the study site.
$D^{(\ast)}N$ interaction and the structure of $Σ_c(2800)$ and $Λ_c(2940)$ in chiral effective field theory
Creators: name: Wang, Bo
name: Meng, Lu
name: Zhu, Shi-Lin
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the $DN$ and $D^\ast N$ interactions to probe the inner structure of $Σ_c(2800)$ and $Λ_c(2940)$ with the chiral effective field theory to the next-to-leading order. We consider the contact term, one-pion-exchange and two-pion-exchange contributions to characterize the short-, long- and mid-range interactions of the $D^{(\ast)}N$ systems. The low energy constants of the $D^{(\ast)}N$ systems are related to those of the $N\bar{N}$ interaction with quark level Lagrangian that inspired by the resonance saturation model. The $Δ(1232)$ degree of freedom is also included in the loop diagrams. The attractive potential in the $[DN]_{J=1/2}^{I=1}$ channel is too weak to form bound state, which indicates the explanation of $Σ_c(2800)$ as the compact charmed baryon is more reasonable. Meanwhile, the potentials of the isoscalar channels are deep enough to yield the molecular states. We obtain the masses of the $[DN]_{J=1/2}^{I=0}$, $[D^\ast N]_{J=1/2}^{I=0}$ and $[D^\ast N]_{J=3/2}^{I=0}$ systems to be $2792.0$ MeV, $2943.6$ MeV and $2938.4$ MeV, respectively. The $Λ_c(2940)$ is probably the isoscalar $D^\ast N$ molecule considering its low mass puzzle. Besides, the $Λ_c(2940)$ signal might contain the spin-$\frac{1}{2}$ and spin-$\frac{3}{2}$ two structures, which can qualitatively explain the significant decay ratio to $D^0p$ and $Σ_cπ$. We also study the $\bar{B}^{(\ast)}N$ systems and predict the possible molecular states in the isoscalar channels. We hope experimentalists could hunt for the open charmed molecular pentaquarks in the $Λ_c^+π^+π^-$ final state.
description: 11 pages, 4 figures and 4 tables
Agrilus saltensis Kerremans 1903
Creators: name: Curletti, Gianfranco
name: Migliore, Letizia
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Buprestidae
Agrilus
Agrilus saltensis

description: Agrilus saltensis Kerremans, 1903
 Agrilus saltensis Kerremans, 1903: 267.
 Material examinado: Cótipo, Argentina, Tucuman, XII.1897, C. Bruch leg. Permuta com Museu de La Plata.
description: Published as part of Curletti, Gianfranco & Migliore, Letizia, 2014, O gênero Agrilus Curtis, 1829 nas coleções do Museu de Zoologia da Universidade de São Paulo (Coleoptera: Buprestidae), pp. 81-106 in Papéis Avulsos de Zoologia (São Paulo) (São Paulo) 54 (8) on page 104, DOI: 10.1590/0031-1049.2014.54.08, http://zenodo.org/record/4656297
An Investigation into Sustainable Water Consumption in the University of British Columbia’s New Student Union Building Project
Creators: name: Pritchard, Daryl
name: Douglas, Alec
name: Zhang, Jingsheng (Jimson)
Publisher: name: The University of British Columbia
Year: 2011

description: Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”
Persistence in nonequilibrium surface growth
Creators: name: Constantin, M.
name: Dasgupta, C.
name: Chatraphorn, P. Punyindu
name: Majumdar, Satya N.
name: Sarma, S. Das
Publisher: name: arXiv
Year: 2004
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Persistence probabilities of the interface height in (1+1)- and (2+1)-dimensional atomistic, solid-on-solid, stochastic models of surface growth are studied using kinetic Monte Carlo simulations, with emphasis on models that belong to the molecular beam epitaxy (MBE) universality class. Both the initial transient and the long-time steady-state regimes are investigated. We show that for growth models in the MBE universality class, the nonlinearity of the underlying dynamical equation is clearly reflected in the difference between the measured values of the positive and negative persistence exponents in both transient and steady-state regimes. For the MBE universality class, the positive and negative persistence exponents in the steady-state are found to be $θ^S_{+} = 0.66 \pm 0.02$ and $θ^S_{-} = 0.78 \pm 0.02$, respectively, in (1+1) dimensions, and $θ^S_{+} = 0.76 \pm 0.02$ and $θ^S_{-} =0.85 \pm 0.02$, respectively, in (2+1) dimensions. The noise reduction technique is applied on some of the (1+1)-dimensional models in order to obtain accurate values of the persistence exponents. We show analytically that a relation between the steady-state persistence exponent and the dynamic growth exponent, found earlier to be valid for linear models, should be satisfied by the smaller of the two steady-state persistence exponents in the nonlinear models. Our numerical results for the persistence exponents are consistent with this prediction. We also find that the steady-state persistence exponents can be obtained from simulations over times that are much shorter than that required for the interface to reach the steady state. The dependence of the persistence probability on the system size and the sampling time is shown to be described by a simple scaling form.
description: 28 pages, 16 figures
title: 02_1424
Creators: name: Wesley Baldwin, John
name: Baldwin, John W.
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2018
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: L'ensemble de ces notes ont été crée par John Baldwin lors d'une de ses premières périodes de résidence à Paris. Ces documents comprennent tous les magistri qu’il avait pu rencontrer dans ses sources. Aux XIIème et XIIIème siècles, les universités n'existant pas encore, le titre de magister s'il évoque certainement une compétence n'est pas rattaché de façon systématique au passage par les écoles. De surcroît, les magistris sont le plus souvent désignés par leur seul prénom. La lecture de ces données est donc difficile et suppose un long travail pour tenter d'identifier un individu auquel on pourrait rattacher plusieurs mentions. John Baldwin avait donc renoncé à utiliser ces données pour donner un prolongement à sa magnifique étude sur les gradués d'université et leur emploi par les Capétiens et les Plantagenêts. Néanmoins, il a conservé ces données et elles sont potentiellement très utile dans le cadre de Studium, comme le sont toutes les mentions dans les volumes des Fasti Ecclesiae Gallicanae de chanoines portant ce titre de magister sans autres précisions. L'ampleur des dépouillements rend ces données très utiles et nous devons une grande reconnaissance à John Baldwin pour avoir pris la peine de faire photocopier ses fiches et de nous les avoir transmises amicalement.
Les données ainsi que les images des fiches sont accessibles sur le site Internet à l'adresse suivante : http://studium-baldwin.lamop.fr/.
Les transcriptions des fiches ont été effectuées par des étudiants de Paris 1 Panthéon - Sorbonne mais elles n'ont pas été corrigées par la suite.
description: Relation: https://lamop.hypotheses.org/
High-Confidence Attack Detection via Wasserstein-Metric Computations
Creators: name: Li, Dan
name: Martínez, Sonia
Publisher: name: arXiv
Year: 2020
Subjects: subject: Dynamical Systems (math.DS)
subject: Systems and Control (eess.SY)
subject: Optimization and Control (math.OC)
subject: Probability (math.PR)
subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper considers a sensor attack and fault detection problem for linear cyber-physical systems, which are subject to system noise that can obey an unknown light-tailed distribution. We propose a new threshold-based detection mechanism that employs the Wasserstein metric, and which guarantees system performance with high confidence employing a finite number of measurements. The proposed detector may generate false alarms with a rate $Δ$ in normal operation, where $Δ$ can be tuned to be arbitrarily small by means of a benchmark distribution which is part of our mechanism. Thus, the proposed detector is sensitive to sensor attacks and faults which have a statistical behavior that is different from that of the system's noise. We quantify the impact of stealthy attacks---which aim to perturb the system operation while producing false alarms that are consistent with the natural system's noise---via a probabilistic reachable set. To enable tractable implementation of our methods, we propose a linear optimization problem that computes the proposed detection measure and a semidefinite program that produces the proposed reachable set.
description: Submitted to Control system letters
Formation of omega Centauri from an ancient nucleated dwarf galaxy in the young Galactic disc
Creators: name: Bekki, K.
name: Freeman, K. C.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We first present a self-consistent dynamical model in which $ω$ Cen is formed from an ancient nucleated dwarf galaxy merging with the first generation of the Galactic thin disc in a retrograde manner with respect to the Galactic rotation. Our numerical simulations demonstrate that during merging between the Galaxy and the $ω$ Cen's host dwarf with $M_{\rm B}$ $\simeq$ -14 mag and its nucleus mass of $10^7$ $M_{\odot}$, the outer stellar envelope of the dwarf is nearly completely stripped whereas the central nucleus can survive from the tidal stripping because of its compactness. The developed naked nucleus has a very bound retrograde orbit around the young Galactic disc, as observed for $ω$ Cen, with its apocenter and pericenter distances of $\sim$ 8 kpc and $\sim$ 1 kpc, respectively. The Galactic tidal force can induce radial inflow of gas to the dwarf's center and consequently triggers moderately strong nuclear starbursts in a repetitive manner. This result implies that efficient nuclear chemical enrichment resulting from the later starbursts can be closely associated with the origin of the observed relatively young and metal-rich stars in $ω$ Cen. Dynamical heating by the $ω$ Cen's host can transform the young thin disc into the thick disc during merging.
description: 5 pages, 5 figures, accepted in MNRAS (Pink page)
Additional file 4 of Phenological variation of flower longevity and duration of sex phases in a protandrous alpine plant: potential causes and fitness significance
Creators: name: Zhigang Zhao
name: Hou, Meng
name: Yijie Wang
name: Guozhen Du
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 4 : Figure S4. The correlation among predictor variables affecting flower longevity and their distribution. FFD = first flowering date of individuals, RFD = opening day of flowers relative to the plant’s day of flowering onset; flower size is galea height. Mean temperature and mean precipitation are values experienced by that flower over the days it was open. *P
Exotic Baryons and Monopole Excitations in a Chiral Soliton Model
Creators: name: Weigel, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We compute the spectra of exotic pentaquarks and monopole excitations of the low--lying ${1/2}^+$ and ${3/2}^+$ baryons in a chiral soliton model. Once the low--lying baryon properties are fit, the other states are predicted without any more adjustable parameters. This approach naturally leads to a scenario in which the mass spectrum of the next to lowest--lying $J^π={1/2}^+$ states is fairly well approximated by the ideal mixing pattern of the $\mathbf{8}\oplus\bar{\mathbf{10}}$ representation of flavor SU(3). We compare our results to predictions obtained in other pictures for pentaquarks and speculate about the spin--parity assignment for $Ξ(1690)$ and $Ξ(1950)$
description: 16 pages, 2 figures, 6 tables
Symmetry breaking and the random-phase approximation in small quantum dots
Creators: name: Serra, Llorens
name: Nazmitdinov, Rashid G.
name: Puente, A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The random-phase approximation has been used to compute the properties of parabolic two-dimensional quantum dots beyond the mean-field approximation. Special emphasis is put on the ground state correlation energy, the symmetry restoration and the role of the spurious modes within the random-phase approximation. A systematics with the Coulombic interaction strength is presented for the 2-electron dot, while for the 6- and 12-electron dots selected cases are discussed. The validity of the random-phase approximation is assessed by comparison with available exact results.
description: 9 pages, 4 embedded + 6 gif Figs. Published version
Additional file 3 of Phenological variation of flower longevity and duration of sex phases in a protandrous alpine plant: potential causes and fitness significance
Creators: name: Zhigang Zhao
name: Hou, Meng
name: Yijie Wang
name: Guozhen Du
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 3 : Figure S3. The distribution frequency of flower longevity.
Centris (Trachina) machadoi Azevedo & Silveira 2015
Creators: name: RAMOS, KELLI S.
name: KAWADA, RICARDO
name: BRANDÃO, CARLOS ROBERTO F.
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Apidae
Centris
Centris machadoi

description: Centris (Trachina) machadoi
 Azevedo & Silveira, 2005: 41
 Paratypes: 1♀ ‘ Brasil, MG [Minas Gerais], Bocaiúva, 11.viii.2003, A.A. Azevedo [col.]’ ‘ Sucupira-preta, Faz. [enda] Vargem Grande, 8538-25979’ ‘ Centris machadoi Azevedo & Silveira sp. nov., Paratypus’; 1♂ same labels data except ‘8538-25983’.
  Centris maranhensis Ducke, 1910: 99  Paralectotype: 1♀ ‘[Brazil], Maranhão, Alcantara, 26.ix.1903, Ducke [col.]’ ‘ Brazil, Estado do Maranhão’ ‘ Centris maranhensis Ducke, typo’. Current status: Centris (Ptilotopus) maranhensis Ducke, 1910. Comments: Paralectotype according to designation in Nascimento (1979: 4).
  Centris pocograndensis Schrottky, 1902a: 578  (http://hol.osu.edu/spmInfo.html?id=MZSP%20000004) Holotype: ♂ ‘ Brazil, [São Paulo], Poço Grande [old farm near the town of Juquiá], Centris pocograndensis Schrottky’. Current status: Centris (Melacentris) collaris Lepeletier, 1841.
description: Published as part of RAMOS, KELLI S., KAWADA, RICARDO & BRANDÃO, CARLOS ROBERTO F., 2015, Type specimens of bees (Hymenoptera, Apidae) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil, pp. 335-361 in Papéis Avulsos de Zoologia (São Paulo) (São Paulo) 55 (24) on page 343, DOI: 10.1590/0031-1049.2015.55.24, http://zenodo.org/record/4656393
O reuso de dados de pesquisa e a pandemia da COVID-19
Creators: name: Silva de Araújo, Anderson
name: Veiga, Viviane
name: Marcondes, Carlos Henrique
Publisher: name: Zenodo
Year: 2024

description: Apresentação realizada na sessão “O meu Póster em 1 minuto”, da 15ª Conferência Lusófona de Ciência Aberta, na Escola Superior de Enfermagem do Porto (ESEP), de 01 a 04 de outubro de 2024.
Additional file 6 of Expression patterns of immune checkpoints in acute myeloid leukemia
Creators: name: Chen, Cunte
name: Chaofeng Liang
name: Shunqing Wang
name: Chio, Chi Leong
name: Yuping Zhang
name: Zeng, Chengwu
name: Chen, Shaohua
name: Caixia Wang
name: Li, Yangqiu
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Medicine
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy
subject: Hematology

description: Additional file 6: Materials and Method
FOOD SECURITY IN SOUTH AFRICA
Creators: name: Van Zyl, Johan
name: Kirsten, Johann
name: Van Zyl, Johan
name: Kirsten, Johann
Publisher: name: Unknown
Year: 1992
Subjects: Agricultural and Food Policy
Food Security and Poverty

description: South Africa's agricultural policy has had food self-sufficiency as a major objective until recently. This is still the case for a number of the homelands. South Africa has to a large extent achieved this goal by producing a surplus in most of the agricultural commodities. Despite this efficiency, large inequities, inefficient food distribution networks and high levels of malnutrition are experienced. South Africa is therefore characterised by surpluses and exports amidst food shortages - a situation of "hunger and malnutrition next to the granary" is therefore typical. These conditions necessitate a review of the current agricultural policy goals. This paper strongly argues in favour of a policy of food security aimed at both national and household level. The paper initially reviews the issues and terminology of food security as a matter of clarification. The dimensions of the food security problem in South Africa at national and household level are subsequently quantified showing that 21% of the urban population and 63% of the rural population in South Africa live below the minimum subsistence level. The evidence necessitates an evaluation of policies and programmes to address food security in South Africa. The paper looks at a range of policy alternatives and concludes that, on the one hand, production orientated policies implying technological change and commercialization of production by rural households will provide a long term impact in terms of all the food security risks. Given South Africa's inequitable distribution of infrastructure, this will have to be accompanied by infrastructural development and an improved food distribution network. On the other hand, the increasing number of urban households necessitates a reconsideration of pricing and distributional issues. Specific issues which will have to be addressed are controlled marketing, marketing margins and the influence of concentration in the food processing sectors on the price and affordability of basic foodstuffs. Attention should also be paid to the "food price dilemma" which should be taken into consideration in agricultural price policy. Finally it is important to note that food security requires economic development and large scale public commitment which is not achievable with a few cheap short term interventions.