cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Contribution of binary stars to the velocity dispersion inside OB associations with Gaia DR2 data
Creators: name: Melnik, A. M.
name: Dambis, A. K.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We estimated the contribution of binary systems to the velocity dispersion inside OB-associations derived from Gaia DR2 proper motions. The maximum contribution to the velocity dispersion is given by the systems with the period of revolution of P=5.9 yr whose components shift by a distance of about the diameter of the system during the base-line time of Gaia DR2 observations. We employed two methods to study the motion of the photocenter of the binary system: the first one uses the total displacement between the initial and final visibility periods and the second one is based on solving a system of n equations defining the displacements at the times t_n. The first and second methods yield very similar sigma_bn values of 0.90 and 0.87 km s-1, respectively. Taking into account the fact that orbits are elliptical slightly decreases the inferred sigma_bn. We estimated the eccentricity-averaged sigma_bn value to be sigma_bn=0.81 km s-1 assuming that the orbital eccentricities of massive binary systems are distributed uniformly in the [0, 0.9] interval. The choice of the exponent gamma in the power-law distribution, p_q ~ q^gamma, of the component-mass ratios q=M_2/M_1 of binary systems appears to have little effect on sigma_bn. A change of gamma from 0 (flat distribution) to -2.0 (preponderance of systems with low-mass components) changes sigma_bn from 0.90 to 1.07 km s-1.
description: 12 pages, 5 figures, accepted for publication in Astronomy Reports
A deep Chandra, VLA and Spitzer IRAC study of the very low luminosity nucleus of the elliptical NGC821
Creators: name: Pellegrini, S.
name: Siemiginowska, A.
name: Fabbiano, G.
name: Elvis, M.
name: Greenhill, L.
name: Soria, R.
name: Baldi, A.
name: Kim, D. W.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The relatively nearby (distance=24.1 Mpc) elliptical galaxy NGC821 hosts an extreme example of a quiescent central massive black hole, for which deep Chandra observations revealed a nuclear source for the first time (with L(2-10 keV)/L_Edd ~ 3.6X10^{-8}). We present here a multiwavelength study of this nucleus, including VLA observations that detect a radio counterpart to the Chandra nuclear source at 1.4 GHz, with a flux density of 127 $μ$m and possibly a flat spectral shape; we also consider new Spitzer IRAC observations and archival HST images. With these data we discuss possible scenarios for the accretion modalities of the sole material that is available for fuelling, i.e., the stellar mass losses steadily replenishing the circumnuclear region. The final stages of accretion could be radiatively inefficient and coupled to a compact nuclear jet/outfow. The stellar mass losses could instead end up in a standard disc only if a Compton-thick AGN is present. Two extended sources detected by Chandra close to the nucleus could be due to several unresolved knots in a jet. If a jet is present, though, its kinetic energy would be only a very small fraction of the energy associated with the rest mass of the material being accreted. Starformation close to the nucleus is not shown by the available data. Deeper NICMOS, radio and far-IR observations should further constrain the accretion process.
description: 32 pages, 4 figures; minor changes; accepted for publication in ApJ. This is the companion paper of astro-ph/0701639
Comparing satisfaction and burnout between caseload and standard care midwives: findings from two cross-sectional surveys conducted in Victoria, Australia
Creators: name: Newton, Michelle
name: McLachlan, Helen
name: Willis, Karen
name: Forster, Della
Publisher: name: La Trobe
Year: 2024
Subjects: classificationCode: 4204
subject: Midwifery

description: Background: Caseload midwifery reduces childbirth interventions and increases women's satisfaction with care. It is therefore important to understand the impact of caseload midwifery on midwives working in and alongside the model. While some studies have reported higher satisfaction for caseload compared with standard care midwives, others have suggested a need to explore midwives' work-life balance as well as potential for stress and burnout. This study explored midwives' attitudes to their professional role, and also measured burnout in caseload midwives compared to standard care midwives at two sites in Victoria, Australia with newly introduced caseload midwifery models. Methods: All midwives providing maternity care at the study sites were sent questionnaires at the commencement of the caseload midwifery model and two years later. Data items included the Midwifery Process Questionnaire (MPQ) to examine midwives' attitude to their professional role, the Copenhagen Burnout Inventory (CBI) to measure burnout, and questions about midwives' views of caseload work. Data were pooled for the two sites and comparisons made between caseload and standard care midwives. The MPQ and CBI data were summarised as individual and group means. Results: Twenty caseload midwives (88%) and 130 standard care midwives (41%) responded at baseline and 22 caseload midwives (95%) and 133 standard care midwives (45%) at two years. Caseload and standard care midwives were initially similar across all measures except client-related burnout, which was lower for caseload midwives (12.3 vs 22.4, p = 0.02). After two years, compared to midwives in standard care, caseload midwives had higher mean scores in professional satisfaction (1.08 vs 0.76, p = 0.01), professional support (1.06 vs 0.11, p <0.01) and client interaction (1.4 vs 0.09, p <0.01) and lower scores for personal burnout (35.7 vs 47.7, p < 0.01), work-related burnout (27.3 vs 42.7, p <0.01), and client-related burnout (11.3 vs 21.4, p < 0.01). Conclusion: Caseload midwifery was associated with lower burnout scores and higher professional satisfaction. Further research should focus on understanding the key features of the caseload model that are related to these outcomes to help build a picture of what is required to ensure the long-term sustainability of the model.
The prevalence of new-onset neurodevelopmental delays following administration of  neuraxial ketamine to children: A 9-year retrospective analysis of 690 administrations of ketamine

Creators: name: McCarthy, Kevin
Publisher: name: F1000Research
Year: 2015

description: There have been significant concerns raised in the literature regarding the safety of ketamine and the possibility of neurodegenerative effects in infants following observations made in rodent studies in 1999. Translating the relevance of findings in animal models into clinical practice has been the subject of much debate and divided opinion, not only with respect to the effects of ketamine, but anaesthesia in general upon learning and behaviour. We report our experience of neuraxial ketamine and the prevalence of associated neurodevelopmental problems.
An Adaptive Flow-Aware Packet Scheduling Algorithm for Multipath Tunnelling
Creators: name: Sailer, Richard
name: Hähner, Jörg
Publisher: name: arXiv
Year: 2020
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: This paper proposes AFMT, a packet scheduling algorithm to achieve adaptive flow-aware multipath tunnelling. AFMT has two unique properties. Firstly, it implements robust adaptive traffic splitting for the subtunnels. Secondly, it detects and schedules bursts of packets cohesively, a scheme that already enabled traffic splitting for load balancing with little to no packet reordering. Several NS-3 experiments over different network topologies show that AFMT successfully deals with changing path characteristics due to background traffic while increasing throughput and reliability.
description: submitted and accepted on IEEE LCN 2019, 4 pages, 5 figures
Modular Symmetry and Fractional Charges in N=2 Supersymmetric Yang-Mills and the Quantum Hall Effect
Creators: name: Dolan, Brian P.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The parallel roles of modular symmetry in ${\cal N}=2$ supersymmetric Yang-Mills and in the quantum Hall effect are reviewed. In supersymmetric Yang-Mills theories modular symmetry emerges as a version of Dirac's electric -- magnetic duality. It has significant consequences for the vacuum structure of these theories, leading to a fractal vacuum which has an infinite hierarchy of related phases. In the case of ${\cal N}=2$ supersymmetric Yang-Mills in 3+1 dimensions, scaling functions can be defined which are modular forms of a subgroup of the full modular group and which interpolate between vacua. Infra-red fixed points at strong coupling correspond to $θ$-vacua with $θ$ a rational number that, in the case of pure SUSY Yang-Mills, has odd denominator. There is a mass gap for electrically charged particles which can carry fractional electric charge. A similar structure applies to the 2+1 dimensional quantum Hall effect where the hierarchy of Hall plateaux can be understood in terms of an action of the modular group and the stability of Hall plateaux is due to the fact that odd denominator Hall conductivities are attractive infra-red fixed points. There is a mass gap for electrically charged excitations which, in the case of the fractional quantum Hall effect, carry fractional electric charge.
description: This is a contribution to the Proc. of the O'Raifeartaigh Symposium on Non-Perturbative and Symmetry Methods in Field Theory (June 2006, Budapest, Hungary), published in SIGMA (Symmetry, Integrability and Geometry: Methods and Applications) at http://www.emis.de/journals/SIGMA/
Gravitational wave templates from Extreme Mass Ratio Inspirals
Creators: name: Skoupý, Viktor
name: Lukes-Gerakopoulos, Georgios
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: An extreme mass ratio inspiral takes place when a compact stellar object is inspiraling into a supermassive black hole due to gravitational radiation reaction. Gravitational waves (GWs) from this system can be calculated using the Teukolsky equation (TE). In our case, we compute the asymptotic GW fluxes of a spinning body orbiting a Kerr black hole by solving numerically the TE both in time and frequency domain. Our ultimate goal is to produce GW templates for space-based detectors such as LISA.
title: Chwedleu Seith Doethon Rufein: A Single Manuscript Edition of the Middle Welsh Text of The Seven Sages of Rome, from Oxford, Jesus College Manuscript 20, Including Translation and Notes.
Creators: name: Gadsden, Carys
Publisher: name: University of Reading
Year: 2021

description: This is a new edition and translation of Chwedleu Seith Doethon Rufein, the Middle Welsh version of the popular medieval tales known as ‘The Seven Sages of Rome’. The text found in J MS 111 has already been published in modern Welsh, which limits its usefulness for those who are not fluent in that language. The only English translation available is an archaic, nineteenth century version which needs updating. This has been addressed here. Certain concepts are questioned, such as Lewis’s suggestion that the tales were the original work of a Welsh cleric and therefore constitute the first Welsh novel His opinion that J MS 20 is the oldest extant Welsh version of the tale is also investigated. The Welsh redaction itself is characterised by the usual medieval Welsh practice of abbreviation and concision. Here the translation of French Sept Sages is curtailed by the omission of direct speech and extraneous detail. Any deviation, such as borrowings from traditional Welsh tales, is therefore the more noteworthy. The pointed use of native literary tradition suggests that the author was an educated man, one not only fluent in French, as evidenced from his adaptation of the Sept Sages, but one well-versed in his own literary heritage. His exclusion of the scatological elements present in the French parent version may point to his religious calling but could also indicate that he was writing for a mixed audience: not only for men but also for women and children. The base text used here is the one found in Jesus MS 20, housed at the Bodleian Library, Oxford, though the two other manuscript witnesses, Jesus MS 111 (Llyfr Coch Hergest) and NLW Llanstephan MS 2, are also discussed. This present edition includes a brief history of the transmission of the tales from their Eastern origins to the West: to France and then on to Wales. This is followed by an overview of the cultural and historical background of the period, placing the tales in context. The conclusion drawn is that, though Chwedleu Seith Doethon Rufein, the Welsh redaction of the Sept Sages Romae, is but one small part of the international corpus of this literary tradition, it is a highly individual and therefore invaluable member of the genre.
Local geometry of the G2 moduli space
Creators: name: Grigorian, Sergey
name: Yau, Shing-Tung
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider deformations of torsion-free G2 structures, defined by the G2-invariant 3-form $ϕ$ and compute the expansion of the Hodge star of $ϕ$ to fourth order in the deformations of $ϕ$. By considering M-theory compactified on a G2 manifold, the G2 moduli space is naturally complexified, and we get a Kahler metric on it. Using the expansion of the Hodge star of $ϕ$ we work out the full curvature of this metric and relate it to the Yukawa coupling.
description: 27 pages
Una riflessione sulla tradizione, il suo rapporto con la Scrittura e gli sviluppi nel dialogo ecumenico
Creators: name: Scaramuzzi, Francesco
Publisher: name: Apulia Theologica
Year: 2025

description: Apulia Theologica, V. 2 N. 1 (2016): Apulia theologica vol. 2, fascicolo 1
The g-mode Excitation in the Proto Neutron Star by the Standing Accretion Shock Instability
Creators: name: Yoshida, Shijun
name: Ohnishi, Naofumi
name: Yamada, Shoichi
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The so-called "acoustic revival mechanism" of core-collapse supernova proposed recently by the Arizona group is an interesting new possibility. Aiming to understand the elementary processes involved in the mechanism, we have calculated the eigen frequencies and eigen functions for the g-mode oscillations of a non-rotating proto neutron star. The possible excitation of these modes by the standing accretion shock instability, or SASI, is discussed based on these eigen functions. We have formulated the forced oscillations of $g$-modes by the external pressure perturbations exerted on the proto neutron star surface. The driving pressure fluctuations have been adopted from our previous computations of the axisymmetric SASI in the non-linear regime. We have paid particular attention to low l modes, since these are the modes that are dominant in SASI and that the Arizona group claimed played an important role in their acoustic revival scenario. Here l is the index of the spherical harmonic functions, $Y_l^m$. Although the frequency spectrum of the non-linear SASI is broadened substantially by non-linear couplings, the typical frequency is still much smaller than those of g-modes, the fact leading to a severe impedance mismatch. As a result, the excitations of various $g$-modes are rather inefficient and the energy of the saturated g-modes is $\sim 10^{50}$erg or smaller, with the g_2-mode being the largest in our model. Here the g_2-mode has two radial nodes and is confined to the interior of the convection region. The energy transfer rate from the g-modes to out-going sound waves is estimated from the growth of the g-modes and found to be $\sim 10^{51}$erg/s in the model studied in this paper.
description: 24 pages, 6 figures
Interplay of Eph-ephrin signalling and cadherin function in cell segregation and boundary formation.
Creators: name: Wilkinson, David G
Publisher: name: The Francis Crick Institute
Year: 2021
Subjects: subject: Neurosciences
subject: FOS: Clinical medicine
subject: Model organisms
subject: Developmental Biology
subject: Human Biology & Physiology
subject: Stem Cells

description: The segregation of distinct cell populations to form sharp boundaries is crucial for stabilising tissue organisation, for example during hindbrain segmentation in craniofacial development. Two types of mechanisms have been found to underlie cell segregation: differential adhesion mediated by cadherins, and Eph receptor and ephrin signalling at the heterotypic interface which regulates cell adhesion, cortical tension and repulsion. An interplay occurs between these mechanisms since cadherins have been found to contribute to Eph-ephrin-mediated cell segregation. This may reflect that Eph receptor activation acts through multiple pathways to decrease cadherin-mediated adhesion which can drive cell segregation. However, Eph receptors mainly drive cell segregation through increased heterotypic tension or repulsion. Cadherins contribute to cell segregation by antagonising homotypic tension within each cell population. This suppression of homotypic tension increases the difference with heterotypic tension triggered by Eph receptor activation, and it is this differential tension that drives cell segregation and border sharpening.
Skein modules of 3-manifolds
Creators: name: Przytycki, Jozef H.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Geometric Topology (math.GT)
subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 57M27 (primary), 57M25(secondary)

description: It is natural to try to place the new polynomial invariants of links in algebraic topology (e.g. to try to interpret them using homology or homotopy groups). However, one can think that these new polynomial invariants are byproducts of a new more delicate algebraic invariant of 3-manifolds which measures the obstruction to isotopy of links (which are homotopic). We propose such an algebraic invariant based on skein theory introduced by Conway (1969) and developed by Giller (1982) as well as Lickorish and Millett (1987). (This is the first paper I wrote about skein modules, almost 20 years ago. The recent survey of skein modules is available at http://arxiv.org/abs/math.GT/0602264.)
description: 11 pages, 13 figures; e-print prepared by Radmila Sazdanovic
Galaxies within galaxies in the TIMER survey: stellar populations of inner bars are scaled replicas of main bars
Creators: name: Bittner, Adrian
name: de Lorenzo-Cáceres, Adriana
name: Gadotti, Dimitri A.
name: Sánchez-Blázquez, Patricia
name: Neumann, Justus
name: Coelho, Paula
name: Falcón-Barroso, Jesús
name: Fragkoudi, Francesca
name: Kim, Taehyun
name: Martín-Navarro, Ignacio
name: Méndez-Abreu, Jairo
name: Pérez, Isabel
name: Querejeta, Miguel
name: van de Ven, Glenn
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Inner bars are frequent structures in the local Universe and thought to substantially influence the nuclear regions of disc galaxies. In this study we explore the structure and dynamics of inner bars by deriving maps and radial profiles of their mean stellar population content and comparing them to previous findings in the context of main bars. To this end, we exploit observations obtained with the integral-field spectrograph MUSE of three double-barred galaxies in the TIMER sample. The results indicate that inner bars can be distinguished based on their stellar population properties alone. More precisely, inner bars show elevated metallicities and depleted [$α$/Fe] abundances. Although they exhibit slightly younger stellar ages compared to the nuclear disc, the typical age differences are small, except at their outer ends. These ends of the inner bars are clearly younger compared to their inner parts, an effect known from main bars as orbital age separation. In particular, the youngest stars (i.e. those with the lowest radial velocity dispersion) seem to occupy the most elongated orbits along the (inner) bar major axis. We speculate that these distinct ends of bars could be connected to the morphological feature of ansae. Radial profiles of metallicity and [$α$/Fe] enhancements are flat along the inner bar major axis, but show significantly steeper slopes along the minor axis. This radial mixing in the inner bar is also known from main bars and indicates that inner bars significantly affect the radial distribution of stars. In summary, based on maps and radial profiles of the mean stellar population content and in line with previous TIMER results, inner bars appear to be scaled down versions of the main bars seen in galaxies. This suggests the picture of a "galaxy within a galaxy", with inner bars in nuclear discs being dynamically equivalent to main bars in main galaxy discs.
description: Accepted for publication in A&A; 11 pages, 4 figures, 2 tables
The dynamics of individual teacher autonomy : a case study of teachers’ work in a Queensland secondary school
Creators: name: Nicoll, Carol Patricia
Publisher: name: University of British Columbia
Year: 2009

description: The emphasis on collegiality and collaboration in the literature on teachers' work and school reform has tended to underplay the significance of teacher autonomy. This thesis explores the dynamics of teachers' understandings and experiences of individual teacher autonomy (as contrasted with collective autonomy) in an independent school in Queensland which promoted itself as a 'teachers' school' with a strong commitment to individual teacher autonomy. The research was a case study which drew on methodological signposts from critical, feminist and traditional ethnography. Intensive fieldwork in the school over five months incorporated the ethnographic techniques of observation, interviews and document analysis. Teachers at Thornton College understood their experience of individual autonomy at three interrelated levels - in terms of their work in the classroom, their working life in the school, and their voice in the decision-making processes of the school. They felt that they experienced a great deal of individual autonomy at each of these three levels. These understandings and experiences of autonomy were encumbered or enabled by a range of internal and external stakeholder groups. There were also a number of structural influences (community perceptions, market forces, school size, time and bureaucracy) emerging from the economic, social and political structures in Australian society which influenced the experience of autonomy by teachers. The experience of individual teacher autonomy was constantly shifting, but there were some emergent patterns. Consensus on educational goals and vision, and strong expressions of trust and respect between teachers and stakeholders in the school, characterised the contexts in which teachers felt they experienced high levels of autonomy in their work. The demand for accountability and desire for relatedness motivated stakeholders and structural forces to influence teacher autonomy. Some significant gaps emerged between the rhetoric of a commitment to individual teacher autonomy and decision-making practices in the school, that gave ultimate power to the co-principals. Despite the rhetoric and promotion of non-hierarchical structures and collaborative decision-making processes, many teachers perceived that their experience of individual autonomy remained subject to the exercise of'partial democracy' by school leaders.
Acesso Aberto, atenção, impacto e Objetivos de Desenvolvimento Sustentável. Uma sessão interativa com análise de big data da investigação a nível mundial
Creators: name: Taylor, Mike
name: Garcia, Miguel
name: Areia, Carlos
Publisher: name: Zenodo
Year: 2024

description: Apresentação realizada na sessão “Workshop 3", da 15ª Conferência Lusófona de Ciência Aberta, na Escola Superior de Enfermagem do Porto (ESEP), de 01 a 04 de outubro de 2024.
Detection of small magnetic flux ropes from the third and fourth Parker Solar Probe encounters
Creators: name: Zhao, L. -L.
name: Zank, G. P.
name: Hu, Q.
name: Telloni, D.
name: Chen, Y.
name: Adhikari, L.
name: Nakanotani, M.
name: Kasper, J. C.
name: Huang, J.
name: Bale, S. D.
name: Korreck, K. E.
name: Case, A. W.
name: Stevens, M.
name: Bonnell, J. W.
name: de Wit, T. Dudok
name: Goetz, K.
name: Harvey, P. R.
name: MacDowall, R. J.
name: Malaspina, D. M.
name: Pulupa, M.
name: Larson, D. E.
name: Livi, R.
name: Whittlesey, P.
name: Klein, K. G.
name: Raouafi, N. E.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: We systematically search for magnetic flux rope structures in the solar wind to within the closest distance to the Sun of 0.13 AU, using data from the third and fourth orbits of the Parker Solar Probe. We extend our previous magnetic helicity based technique of identifying magnetic flux rope structures. The method is improved upon to incorporate the azimuthal flow, which becomes larger as the spacecraft approaches the Sun. A total of 21 and 34 magnetic flux ropes are identified during the third (21 days period) and fourth (17 days period) orbits of the Parker Solar Probe, respectively. We provide a statistical analysis of the identified structures, including their relation to the streamer belt and heliospheric current sheet crossing.
Anacroneuria cruza Stark 1995
Creators: name: Menezes, Emely Trajano De
name: Boldrini, Rafael
name: Novaes, Marcos Carneiro
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlidae
Anacroneuria
Anacroneuria cruza

description: Anacroneuria cruza Stark, 1995
Stark 1995: 232; Stark 1999: 74; Stark & Zúñiga 2014: 72; Derka & Figueroa 2016: 346.
 Material examined. BRA, RR, Pacaraima, Igarapé Samã, 04°28’30.08’’N / 61°09’44.04’’W, 10.x.2015, Pennsylvania trap, 1 female, R. Boldrini. (UFRR). BRA, RR, Pacaraima, 3º Pelotão Especial de Fronteira—PEF, Pista de Pouso, 04º49’37.83’’N / 61º10’04.81’’W, 10.vi.2016, light trap, 1 male, R. Boldrini, P. C. S. Barroso & W. S. Zeferino (UFRR).
 Measurements data. Female forewing length: 12.7–13.0 mm, n= 1; male forewing length: 8.5–9.0 mm, n= 1.
 Remarks. The specimens listed above have a head pattern and penis shape similar to those presented by Derka & Figueroa (2016). The single male listed above has a yellow head with a brown patch around the ocellus and a small spot on the clypeus, whereas the female lacks the clypeal spot. In the male, the wing venation is darker than the wing membrane. In the single female listed above, the wing venation is darker and the wing membrane more hyaline. Anacroneuria cruza was previously known from Venezuela (Derka & Figueroa 2016) and our Roraima State specimens are a new country record for Brazil.
description: Published as part of Menezes, Emely Trajano De, Boldrini, Rafael & Novaes, Marcos Carneiro, 2020, New species of the genus Macrogynoplax and new records of Anacroneuria (Plecoptera: Perlidae) from Roraima State, Brazil, pp. 463-471 in Zootaxa 4722 (5) on page 466, DOI: 10.11646/zootaxa.4722.5.4, http://zenodo.org/record/3609700
Conformal invariance in two-dimensional turbulence
Creators: name: Bernard, D.
name: Boffetta, G.
name: Celani, A.
name: Falkovich, G.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Simplicity of fundamental physical laws manifests itself in fundamental symmetries. While systems with an infinity of strongly interacting degrees of freedom (in particle physics and critical phenomena) are hard to describe, they often demonstrate symmetries, in particular scale invariance. In two dimensions (2d) locality often promotes scale invariance to a wider class of conformal transformations which allow for nonuniform re-scaling. Conformal invariance allows a thorough classification of universality classes of critical phenomena in 2d. Is there conformal invariance in 2d turbulence, a paradigmatic example of strongly-interacting non-equilibrium system? Here, using numerical experiment, we show that some features of 2d inverse turbulent cascade display conformal invariance. We observe that the statistics of vorticity clusters is remarkably close to that of critical percolation, one of the simplest universality classes of critical phenomena. These results represent a new step in the unification of 2d physics within the framework of conformal symmetry.
description: 10 pages, 5 figures, 1 table
Formation of optimal-order necklace modes in one-dimensional random photonic superlattices
Creators: name: Ghulinyan, Mher
Publisher: name: arXiv
Year: 2007
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We study the appearance of resonantly coupled optical modes, optical necklaces, in Anderson localized one-dimensional random superlattices through numerical calculations of the accumulated phase. The evolution of the optimal necklace order m* shows a gradual shift towards higher orders with increasing the sample size. We derive an empirical formula that predicts m* and discuss the situation when in a sample length L the number of degenerate in energy resonances exceeds the optimal one. We show how the \emph{extra} resonances are pushed out to the miniband edges of the necklace, thus reducing the order of the latter by multiples of two.
description: 4 pages, 4 figures
Student evaluation of teaching : a multilevel analysis
Creators: name: McKay, Shari Lee
Publisher: name: University of British Columbia
Year: 2009

description: Despite problems with methodology and interpretation of results, student evaluations of instruction provide useful data for administrative decisions. This study specified and tested an Hierarchical Linear Model that can be used to ameliorate some of these problems. The study examined the student ratings of 3,689 university courses taught by 260 instructors that were collected over an 11-year period in an education faculty. A longitudinal hierarchical linear model was used to investigate whether individual instructors' scores were stable over time and in a variety of contexts. The model was also used to examine the effects of exogenous course and instructor variables on the scores. Results showed that the effects of the course-level variables class size, course level, percentage offemales in the class and percentage of students taking the course as an elective were significant. Together these variables accounted for approximately 20% of the withininstructor variance and 17% of the between-instructor variance. The effects of the instructorlevel variables rank, sex and number of course taught were not significant, although the sex of the instructor was substantively related to both the average score and the course level. Scores increased significantly over time, but with less reliability. The years of experience of the instructor who taught the course was also significant. The analysis also illustrated the utility of this model for score adjustment and recommendations were made with respect to the use of the scores for summative evaluation.
Anacroneuria marlieri Froehlich 2001
Creators: name: Menezes, Emely Trajano De
name: Boldrini, Rafael
name: Novaes, Marcos Carneiro
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlidae
Anacroneuria
Anacroneuria marlieri

description: Anacroneuria marlieri Froehlich, 2001
 Froehlich 2001: 191; Froehlich 2003: 130; Ribeiro & Rafael 2009: 7–8; Ribeiro & Gorayeb 2014: 18; Ribeiro & Gorayeb 2016: 434; Rippel et al. 2019: 360.
 Material examined. BRA, RR, Amajari, Serra do Tepequém, Igarapé Cocal, 03°45’12.00”N / 61°42’42.00”W, 14.xii.2015, light trap, 1 female, R. Boldrini (UFRR); 14–29.xii.2015, Malaise trap, 1 female, R. Boldrini. (UFRR); 01–15.i.2016, Malaise trap, 5 male and 1 female, R. Boldrini. (UFRR); 02–16.i.2017, Malaise trap, 1 female, R. Boldrini (UFRR); 01–15.ii.2017, Malaise trap, 1 male and 1 female, R. Boldrini (UFRR); 03–13.x.2017, Malaise trap, 11 males and 4 females, (R. Boldrini. (UFRR); 13–23.x.2017, Malaise trap, 9 males and 3 females, R. Boldrini (UFRR); 03–13.xi.2017, Malaise trap, 12 males and 5 females, R. Boldrini (UFRR); 13–23.xi.2017, Malaise trap, 11 males and 4 females, R. Boldrini (UFRR); 23.xi–03.xii.2017, Malaise trap, 2 males and 1 female, R. Boldrini (UFRR). BRA, RR, Pacaraima, Igarapé Miang, 04°29’09.45’’N / 61°08’03.13’’W, 04.xi.2016, light trap, 7 females, R. Boldrini. (UFRR). BRA, RR, Pacaraima, Igarapé Samã, 04°28’30.08’’N 61°09’44.04’’W, 10.x.2015, light trap, 1 male, R. Boldrini (UFRR).
 Measurements data. Female forewing length: 9.0– 13.2 mm, n= 27; male forewing length: 8.1–11.0 mm, n= 43.  Measurements data. A. marlieri variant.  Male forewing length: 8.0 mm, n= 1.
 Remarks. Among the above material studied, a variant morphotype of A. marlieri was collected from Igarapé Samã. The single male is similar in size to males described by Rippel et al. (2019) but smaller than specimens reported by Ribeiro & Rafael (2009). There were also differences in the penis armature (0.07 mm length and 0.03–0.04 mm width) hammer shape which is conical and acute, and the hooks are curved down with acute apices. Additionally, there is a pointed triple dorsal keel and small membranous vesicles in ventral view. Anacroneuria marlieri was previously recorded from Amazonas, Pará, Rondônia and Tocantins states of Brazil and our material is the first record for Roraima State.
description: Published as part of Menezes, Emely Trajano De, Boldrini, Rafael & Novaes, Marcos Carneiro, 2020, New species of the genus Macrogynoplax and new records of Anacroneuria (Plecoptera: Perlidae) from Roraima State, Brazil, pp. 463-471 in Zootaxa 4722 (5) on page 468, DOI: 10.11646/zootaxa.4722.5.4, http://zenodo.org/record/3609700
Anacroneuria pictipes Klapalek 1923
Creators: name: Menezes, Emely Trajano De
name: Boldrini, Rafael
name: Novaes, Marcos Carneiro
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlidae
Anacroneuria
Anacroneuria pictipes

description: Anacroneuria pictipes Klapálek, 1923
 Anacroneuria pictipes Klapálek 1923: 21; Illies 1966: 321; Stark 1999: 83–85; Ribeiro & Gorayeb 2016: 434.
 Material examined. BRA, RR, Pacaraima, Igarapé Samã, 04°28’30.08’’N / 61°09’44.04’’W, Lençol and Pennsylvania, 10.x.2015, Pennsylvania trap, 2 males, R. Boldrini (UFRR); BRA, RR, Amajari, Serra do Tepequém, 03°45’12.00”N / 61°42’42.00”W, Malaise trap, 13–23.x.2017, 6 males, R. Boldrini (UFRR).
 Measurements data. Male forewing: 10.0 mm, n= 6.
 Remarks. This s pecies has been recorded for Guyana and from the Brazilian state of Amapá (Ribeiro & Gorayeb, 2016). Here, we present the first record for Roraima State.
description: Published as part of Menezes, Emely Trajano De, Boldrini, Rafael & Novaes, Marcos Carneiro, 2020, New species of the genus Macrogynoplax and new records of Anacroneuria (Plecoptera: Perlidae) from Roraima State, Brazil, pp. 463-471 in Zootaxa 4722 (5) on page 469, DOI: 10.11646/zootaxa.4722.5.4, http://zenodo.org/record/3609700
New Developments in Precision LHC Theory: QEDXQCD Exponentiation, Shower/ME Matching, IR-Improved DGLAP-CS Theory and Implications for UV Finite Quantum Gravity
Creators: name: Ward, B. F. L.
name: Yost, S. A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present the recent developments in exact amplitude-based resummation methods for non-Abelian gauge theories as they relate to precision LHC physics. We discuss QEDXQCD exponentiation, shower/ME matching, IR-improved DGLAP-CS theory and implications, as developed by one of us (BFLW), for a UV finite theory of quantum general relativity.
description: 8 pages, presented by BFLW at RADCOR07
The Evolution of the ISM in the Mildly Disturbed Spiral Galaxy NGC 4647
Creators: name: Young, L. M.
name: Rosolowsky, E.
name: van Gorkom, J. H.
name: Lamb, S. A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present matched-resolution maps of HI and CO emission in the Virgo Cluster spiral NGC 4647. The galaxy shows a mild kinematic disturbance in which one side of the rotation curve flattens but the other side continues to rise. This kinematic asymmetry is coupled with a dramatic asymmetry in the molecular gas distribution but not in the atomic gas. An analysis of the gas column densities and the interstellar pressure suggests that the H2/HI surface density ratio on the east side of the galaxy is three times higher than expected from the hydrostatic pressure contributed by the mass of the stellar disk. We discuss the probable effects of ram pressure, gravitational interactions, and asymmetric potentials on the interstellar medium and suggest it is likely that a m=1 perturbation in the gravitational potential could be responsible for all of the galaxy's features. Kinematic disturbances of the type seen here are common, but the curious thing about NGC 4647 is that the molecular distribution appears more disturbed than the HI distribution. Thus it is the combination of the two gas phases that provides such interesting insight into the galaxy's history and into models of the interstellar medium.
description: ApJ, accepted
Anacroneuria caraca Stark 1995
Creators: name: Menezes, Emely Trajano De
name: Boldrini, Rafael
name: Novaes, Marcos Carneiro
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlidae
Anacroneuria
Anacroneuria caraca

description: Anacroneuria caraca Stark, 1995
 Stark 1995: 68–77. Stark 1999: 73; Stark 2001: 10; Zúñiga et al. 2007: 138; Stark et al. 2012: 90; Zúñiga et al. 2014: 15.
 Material examined. BRA, RR, Mucajai, Serra da Corcova, 2°23’25.3’’N / 61°21’42.4’’W, 16.xii.2018, light pan trap, 1 male, R. Boldrini, B. M. P. Ottoni-Boldrini & I. B. Oliveira (UFRR)
 Measurements data. Male forewing length: 8.5–9.0 mm, n= 1.
 Remarks. This species was previously reported from Colombia (Zúñiga et al. 2014) and Venezuela (Stark 1995, 1999). The male above from Roraima State represents a new country record for Brazil.
description: Published as part of Menezes, Emely Trajano De, Boldrini, Rafael & Novaes, Marcos Carneiro, 2020, New species of the genus Macrogynoplax and new records of Anacroneuria (Plecoptera: Perlidae) from Roraima State, Brazil, pp. 463-471 in Zootaxa 4722 (5) on page 466, DOI: 10.11646/zootaxa.4722.5.4, http://zenodo.org/record/3609700
Associations of 25-hydroxyvitamin D with major components of metabolic syndrome in children
Creators: name: Challa, Anna
Publisher: name: F1000Research
Year: 2015

description: A study investigating any possible relations of vitamin D status and metabolic syndrome(MetS) components like waist circumference, blood pressure (SBP and DBP), and lipid profile like HDL-Cholesterol and Triglycerides in prepubertal children. Additionally it aimed to explore a possible role of the birthweight(BW)
Tempo and Mode in Astyanax mexicanus cavefish evolution: a population genomic reappraisal
Creators: name: Fumey, Julien
name: Hinaux, Hélène
name: Noirot, Céline
name: Rétaux, Sylvie
name: Casane, Didier
Publisher: name: F1000Research
Year: 2015

description: Populations of blind cavefish belonging to the Mexican tetra species Astyanax mexicanus are outstanding models to study evolution because the phenotypic convergence of independently-evolved and cave-adapted populations allows questioning whether the evolution of similar phenotypes involved the fixation of standing genetic variation and/or de novo mutations. In order to estimate the time frame of the evolution of the Pachón cave population which is considered as one of the “oldest” and most isolated cave population, we applied a population genomics approach. We compared polymorphisms and substitution rates in the transcriptomes of Pachón cavefish and surface fish from San Solomon Spring in Texas, using the Buenos Aires tetra (Hyphessobrycon anisitsi) as an outgroup. The higher polymorphism in the surface population suggests, as expected, that its effective population size is larger. We found a higher substitution rate in cavefish than in surface fish, also in accordance with a smaller cavefish population size that allowed a more rapid fixation of derived alleles present in the ancestral population, but it implies that the Pachón cave population is much “younger” than previously estimated. The comparison of these data with simulations suggests that this cavefish population has probably spent less than 30,000 years underground. This new time frame, together with other evidence, indicate that evolution of cave phenotypes mainly involved the fixation of cryptic genetic variants present in surface fish populations within a short period of time.
Orbits and masses of binaries from Speckle Interferometry at SOAR
Creators: name: Mendez, Rene A.
name: Claveria, Ruben M.
name: Costa, Edgardo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: We present results from Speckle inteferometric observations of fifteen visual binaries and one double-line spectroscopic binary, carried out with the HRCam Speckle camera of the SOAR 4.1 m telescope. These systems were observed as a part of an on-going survey to characterize the binary population in the solar vicinity, out to a distance of 250 parsec. We obtained orbital elements and mass sums for our sample of visual binaries. The orbits were computed using a Markov Chain Monte Carlo algorithm that delivers maximum likelihood estimates of the parameters, as well as posterior probability density functions that allow us to evaluate their uncertainty. Their periods cover a range from 5 yr to more than 500 yr; and their spectral types go from early A to mid M - implying total system masses from slightly more than 4 MSun down to 0.2 MSun. They are located at distances between approximately 12 and 200 pc, mostly at low Galactic latitude. For the double-line spectroscopic binary YSC8 we present the first combined astrometric/radial velocity orbit resulting from a self-consistent fit, leading to individual component masses of 0.897 +/- 0.027 MSun and 0.857 +/- 0.026 MSun; and an orbital parallax of 26.61 +/- 0.29 mas, which compares very well with the Gaia DR2 trigonometric parallax (26.55 +/- 0.27 mas). In combination with published photometry and trigonometric parallaxes, we place our objects on an H-R diagram and discuss their evolutionary status. We also present a thorough analysis of the precision and consistency of the photometry available for them.
description: 28 pages, 10 figures, 1 appendix. Accepted for publication in The Astronomical Journal
Do networks help in making sense of the omics data deluge?
Creators: name: Shamir, Ron
Publisher: name: F1000Research
Year: 2015

description: We study two cases of integration of expression data with other omic data. In the first, a PPI network is used to help classification of samples, with very minor effect. In the second, we collected and annotated some 15000 expression profiles from ~50 diseases in order to utilize them together for improved classification. For about half of the diseases we obtain good biomarkers. Use of PPI and GI network, COSMIC labeling of cancer-implicated genes and drug targets improves the utlitly of the biomarkers considerably.
Local cause of coherence in Boolean networks
Creators: name: Oosawa, Chikoo
name: Takemoto, Kazuhiro
name: Matsumoto, Shogo
name: Savageau, Michael A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Cellular Automata and Lattice Gases (nlin.CG)
subject: FOS: Physical sciences

description: We performed a numerical study on random Boolean networks with power-law rank outdegree distributions to find local structural cause for the emergence of high or low degree of coherence in binary state variables. The degree of randomness and coherence of the binary sequence are measured by entropy and mutual information, depending on local structure that consists of a node with a highly connected, called hub and its upstream nodes, and types of Boolean functions for the nodes. With a large number of output connections from a hub, the effects of Boolean function on the hub are more prominent. The local structures that give larger entropy tend to give rise to larger mutual information. Based on the numerical results and structural conditions we derived a time-independent transmission characteristic function of state variables for the local structures. We obtained good relationships between the numerical and analytical results, which indicate that dynamical properties from the whole networks can be inferred from the differences in the local structures.
description: 6 pages, 6 figures, 3 tables. submitted to AROB 12th '07
Water on Pt(111): the importance of proton disorder
Creators: name: Site, Luigi Delle
name: Ghiringhelli, Luca M.
name: Andreussi, Oliviero
name: Donadio, Davide
name: Parrinello, Michele
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The structure of a water adlayer on Pt(111) surface is investigated by extensive first principle calculations. Only allowing for proton disorder the ground state energy can be found. This results from an interplay between water/metal chemical bonding and the hydrogen bonding of the water network. The resulting short O-Pt distance accounts for experimental evidences. The novelty of these results shed a new light on relevant aspects of water-metal interaction.
description: 10 pages 4 figures (color)
Corrected: If that dress isn’t really blue and black, then does it even exist? Colour realism and the paradoxes of idealism
Creators: name: Rose, David
Publisher: name: F1000Research
Year: 2015

description: Correction
Because copyright clearance had not been obtained by the author, the original poster has been replaced by this version, which no longer shows the copyrighted image.

What colour was the dress that appeared on social media recently REALLY? We all asked this, but it assumes colour realism — whereas philosophically there are several alternatives, including subjectivism and relationism. Here, Bishop Berkeley's arguments that primary and secondary qualities are metaphysically identical are shown to lead to paradoxes such as the non-existence of the dress, but that his logic can be refuted. Also, Merleau-Ponty's belief that time is observer-relative leads to the assertion that nothing existed before humans evolved — which is a corollary also of Berkeley's idealism, yet discountable if Berkeley was wrong.
Editorial: Malaria targeting toolkit: Host-parasite interactions
Creators: name: Araki, Tamasa
name: Lin, Jing-wen
name: Prudêncio, Miguel
name: Cunningham, Deirdre A
name: Annoura, Takeshi
Publisher: name: The Francis Crick Institute
Year: 2021
Subjects: subject: Model organisms
subject: Infectious Disease
subject: Immunology
subject: FOS: Clinical medicine

description: No description supplied