cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Model dependent analyses on the $N_c$ dependence of the $σ$ pole trajectory
Creators: name: Sun, Z. X.
name: Xiao, L. Y.
name: Xiao, Z. G.
name: Zheng, H. Q.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We explore the nature of the$σ$ or $f_0(600)$ meson using large $N_c$ technique, assuming that the $σ$ pole dominates low energy physics in the IJ=00 channel. We trace the $N_c$ dependence of the $σ$ pole position using [1,1] Padé approximation of SU(3) chiral amplitude, [1,2] Padé approximation of SU(2) chiral amplitudes, and the PKU parametrization form. We find that in all 3 cases the $σ$ pole moves to the real axis of the complex $s$-plane. Finally we construct a pedagogical example using the SU(2) Padé amplitude to show that when the analyticity property of the scattering amplitude is violated, it is possible that the $σ$ pole resides on the complex $s$ plane when $N_c$ is large.
description: Talk presented at Conference on Non-Perturbative Quantum Field Theory: Lattice and Beyond, Guangzhou, China, Dec.16--18, 2004
Microscopic Model of Charmonium Strong Decays
Creators: name: Segovia, J.
name: Entem, D. R.
name: Fernández, F.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Although the spectra of heavy quarkonium systems has been successfully explained by certain QCD motivated potential models, their strong decays are difficult to deal with. We perform a microscopic calculation of charmonium strong decays using the same constituent quark model which successfully describes the $c\bar{c}$ meson spectrum. We compare the numerical results with the $^{3}P_{0}$ and the experimental data. Comparison with other predictions from similar models are included.
description: Contribution to the proceedings of the XIV International Conference on Hadron Spectroscopy (HADRON 2011); 13-17 June 2011, Munich, Germany
Quantitative Impacts of Teaching Attributes on University TEVAL Scores and their Implications
Creators: name: Alauddin, Mohammad
name: Tisdell, Clement A.
name: Alauddin, Mohammad
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 2009
Subjects: subject: Teaching/Communication/Extension/Profession
subject: TEVAL
subject: student evaluation of teaching (SET)
subject: teaching effectiveness

description: This article uses a large sample of completed student evaluation forms of university teaching to quantify the impacts of student evaluation of teaching (SET) attributes on teaching effectiveness (TEVAL) scores. Despite much criticism of and support for TEVAL scores measuring teaching effectiveness, detailed quantitative studies of the relationship between instructional attributes and TEVAL scores are lacking. This study helps to fill this gap. Results suggest that the relative influence of teaching attributes on TEVAL scores varies with the level of the course. While students’ perceptions of how well the coursework is organized, explained and presented have large positive impacts on TEVAL scores at all levels, their relative importance varies with the level of the class. Furthermore, the SET attribute “emphasis on thinking rather than memorizing” has little or no substantive impact on TEVAL scores. An implication is that a lecturer stressing this aspect does little to increase her/his TEVAL score. Furthermore, lecturers wishing to raise their TEVAL scores should vary their relative emphasis on different teaching attributes according to the class level. A feature of this study is its use of individual student responses rather than class averages. Therefore, it accounts for all the information provided by the data.
On the Yang-Mills wave functional in Coulomb gauge
Creators: name: Reinhardt, H.
name: Feuchter, C.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the dependence of the Yang-Mills wave functional in Coulomb gauge on the Faddeev-Popov determinant. We use a Gaussian wave functional multiplied by an arbitrary power of the Faddeev-Popov determinant. We show, that within the resummation of one-loop diagrams the stationary vacuum energy is independent of the power of the Faddeev-Popov determinant and, furthermore, the wave functional becomes field-independent in the infrared, describing a stochastic vacuum. Our investigations show, that the infrared limit is rather robust against details of the variational ansätze for the Yang-Mills wave functional. The infrared limit is exclusively determined by the divergence of the Faddeev-Popov determinant at the Gribov horizon.
description: 9 pages, no figures
A Comparative Study of China's and Australia's Cotton Production
Creators: name: Zhao, Xufu
name: Tisdell, Clement A.
name: Zhao, Xufu
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 2009
Subjects: subject: Crop Production/Industries
subject: International Relations/Trade
subject: Australia
subject: agricultural economics
subject: China
subject: cotton production
subject: cotton supply responses
subject: fibre markets
subject: fluctuations in agricultural production

description: After providing information about the global importance of cotton as a textile and China’s and Australia’s contribution to global cotton production, this paper examines and compares trends in the time-series of cotton production of China and Australia for the period 1980-2007. In doing so, it takes account of changes in the area planted with cotton and its yield. Correlation estimates and decomposition analysis are used to determine the relative contribution to variations in the total output of cotton of changes in the total area planted with cotton and its yield in both countries. These relative contributions are found to be quite different for Australia and China. In addition, there is a comparative analysis of fluctuations in the production of cotton, in the area planted with cotton, and its yield for both countries. The level of Australian cotton production is shown to be much more volatile than China’s principally because the area planted with cotton in Australia is so variable. Fluctuations in yield are found to be declining both for Australia and China. Theories and associated empirical results that help to explain cotton supply responses to the relative prices of crops (and also variations in the area planted with cotton) in China and Australia are outlined and discussed. A new theoretical model is developed to help explain Australia’s changing level of cotton production.
Estimation of Subgraph Densities in Noisy Networks
Creators: name: Jinyuan Chang
name: Kolaczyk, Eric D.
name: Qiwei Yao
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: While it is common practice in applied network analysis to report various standard network summary statistics, these numbers are rarely accompanied by uncertainty quantification. Yet any error inherent in the measurements underlying the construction of the network, or in the network construction procedure itself, necessarily must propagate to any summary statistics reported. Here we study the problem of estimating the density of an arbitrary subgraph, given a noisy version of some underlying network as data. Under a simple model of network error, we show that consistent estimation of such densities is impossible when the rates of error are unknown and only a single network is observed. Accordingly, we develop method-of-moment estimators of network subgraph densities and error rates for the case where a minimal number of network replicates are available. These estimators are shown to be asymptotically normal as the number of vertices increases to infinity. We also provide confidence intervals for quantifying the uncertainty in these estimates based on the asymptotic normality. To construct the confidence intervals, a new and non-standard bootstrap method is proposed in order to compute asymptotic variances, which is infeasible otherwise. We illustrate the proposed methods in the context of gene coexpression networks.
title: Ukrainian History and Eastern Catholicism
title: Where the East and West Met Together
titleType: AlternativeTitle
Creators: name: Krykunov, Oleksii
Publisher: name: Bonn
Year: 2023
Subjects: subject: Eastern Catholic
subject: Greek-Catholic
subject: Ukraine
subject: Catholic Church
subject: ddc:200
subject: ddc:947

description: The study which is being presented here is about the history of Ukraine and the largest Eastern Catholic Church that was formed in the later 1500s to reunify the Ukrainian Orthodox Church with the Vatican. Technically, these are two topics blended together in order to show various aspects of Ukrainian history. Ukraine was the area for various cultural and political struggles. East versus West, Catholic Church, and the Orthodox perspectives were all mixed in Ukraine influencing the country's development and relations with its neighbors. One of the most important purposes of the work is to show that everything that was taking place centuries ago is still taking place. History and times may change but realities do not, and what was going on for five hundred years will, indeed, continue to go on for another five hundred years just in different shapes and forms.
High-resolution Transmission Spectroscopy of MASCARA-2 b with EXPRES
Creators: name: Hoeijmakers, H. Jens
name: Cabot, Samuel H. C.
name: Zhao, Lily
name: Buchhave, Lars A.
name: Tronsgaard, René
name: Kitzmann, Daniel
name: Grimm, Simon L.
name: Cegla, Heather M.
name: Bourrier, Vincent
name: Ehrenreich, David
name: Heng, Kevin
name: Lovis, Christophe
name: Fischer, Debra A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We report detections of atomic species in the atmosphere of MASCARA-2 b, using the first transit observations obtained with the newly commissioned EXPRES spectrograph. EXPRES is a highly stabilised optical echelle spectrograph, designed to detect stellar reflex motions with amplitudes down to 30 cm/s, and was recently deployed at the Lowell Discovery Telescope. By analysing the transmission spectrum of the ultra-hot Jupiter MASCARA-2 b using the cross-correlation method, we confirm previous detections of Fe I, Fe II and Na I, which likely originate in the upper regions of the inflated atmosphere. In addition, we report significant detections of Mg I and Cr II. The absorption strengths change slightly with time, possibly indicating different temperatures and chemistry in the day-side and night-side terminators. Using the effective stellar line-shape variation induced by the transiting planet, we constrain the projected spin-orbit misalignment of the system to $1.6\pm3.1$ degrees, consistent with an aligned orbit. We demonstrate that EXPRES joins a suite of instruments capable of phase-resolved spectroscopy of exoplanet atmospheres.
description: Accepted for publication in A&A, 20 pages, 22 figures
Exhibiting utopia : religion, utopia, and modernity at the Paris universal exhibition of 1867
Creators: name: MacNevin, James Alexander
Publisher: name: University of British Columbia
Year: 2009

description: This paper explores the intertwinement of religion, Utopia, and modernity in nineteenth century French culture, through a study of the Paris Universal Exhibition of 1867. The international exhibitions that began with the Great Exhibition held in London in 1851 were among the largest and most important cultural events of the nineteenth century. They aimed to be both didactic and entertaining; their displays were intended to be simultaneously encyclopaedic and celebratory. In recent years, a sizeable body of historical literature has grown up around the exhibitions, illuminating the role they played in propagating the culture of modernity and the faith in progress that were so hegemonic in the nineteenth century. The Universal Exhibition of 1867, however, stands out as something of a peculiarity among these exhibitions, and previous histories of exhibitions have not adequately accounted for this peculiarity. Organised primarily by the social Catholic Frederic Le Play and the Saint-Simonian Michel Chevalier, it contained pronounced strains of religiosity and utopianism intertwined with the usual reverence for the products of modern industry. Through an examination of the Exhibition and the debates surrounding it, this paper argues that religious utopianism was a powerful current in nineteenth-century French thought and culture. In particular, it will be argued that the Exhibition of 1867 reveals the shift from the Utopian socialism of the early nineteenth century to a kind of Utopian capitalism under the Second Empire of Napoleon III. In making this argument, this paper seeks to reassess the role of utopianism in modern culture, and also to problematise the assumption that modernity and religiosity are incompatible.
Trends in Vietnam's Pork Supply and Structural Features of its Pig Sector
Creators: name: Tisdell, Clement A.
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 2009
Subjects: subject: Agricultural and Food Policy
subject: International Development
subject: Agricultural development
subject: agricultural economics
subject: agricultural policy
subject: economic performance
subject: pork yields
subject: Vietnam
subject: Vietnam’s pig sector

description: Pork is the single most important source of animal protein in Vietnam and its availability has a substantial impact on the well-being of the Vietnamese. Since 1996, the local supply and per capita availability of pork in Vietnam have increased substantially. The trends in and sources of this growth in supply are identified by analysing official statistics. Differences in regional supply of pork are also identified, as well as regional variations in pork yields. Vietnam’s pork industry relies on many small-scale household producers for the bulk of its pork supply. The structure of the sector is investigated and found to be altering slowly – a slight increase in scale of production units has been occurring. The rate of growth in Vietnam’s supply of pork has slowed and production could decline despite the large increases in productivity in this sector since the mid-1990s. The industry is still not internationally competitive. Hence, imports of pork from Canada and the USA occurred in the last few years, and these may increase after 2012 when Vietnam should become WTO-compliant. This concerns the Government of Vietnam because it could threaten the economic sustainability of its pig industry. The Government believes that by adopting policies to increase the scale of production of individual pig-producing units, this will shore up the competitive position of its pig sector. This policy is discussed.
Contribution of NDM and OXA-type carbapenemases to carbapenem resistance in clinical Acinetobacter baumannii from Nigeria
Creators: name: Ogbolu, David O.
name: Oyebode A. Terry Alli
name: Adeolu S. Oluremi
name: Y. Temilola Ogunjimi
name: D. Iyanu Ojebode
name: Dada, Veronica
name: Olubunmi O. Alaka
name: Foster-Nyarko, Ebenezer
name: Webber, Mark A.
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Evolutionary Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Hematology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology

description: Objective:Acinetobacter baumannii infections are rarely diagnosed in many hospitals in Nigeria due to a lack of capacity for the identification of the organism in spite of the clinical significance of this opportunistic nosocomial organism. We assembled a panel of presumptive isolates of A. baumannii from tertiary hospitals in Nigeria and analysed mechanisms of resistance phenotypically and by whole genome sequencing. Materials and methods: Twenty-one clinical isolates of A. baumannii identified using standard microbiological tests were tested for susceptibility to a panel of antibiotics by the agar dilution method, and production of ESBLs using phenotypic tests. Whole genome sequencing and comparative genomic analysis were used to determine the antimicrobial resistance genes, strain types, phylogenetic relationships and genetic context of resistance genes. Results: The MIC50 and MIC90 of most antibiotics were very high with no difference between MIC50 and MIC90 values apart for amikacin, meropenem and colistin where MIC50 and MIC90 ranged between 1–4 µg/ml and 64–>64 µg/ml, respectively. Multiple resistance genes were detected in most of the isolates including blaNDM-1, various blaOXA-51 family alleles and blaOXA-23. Interestingly, blaNDM-1 carriage did not always result in phenotypic carbapenem resistance. Whole genome alignments typing showed strains belonged to three major clades. Strains within these clades had different resistance genes and resistance patterns. Conclusions: This report shows a high level of resistance to important antibiotics and carbapenem resistance in A. baumannii in Nigeria. We hope this work will serve as a reference for future study in the sub-Saharan region of Africa.
Economic Reform and Openness in China: China's Development Policies in the Last 30 Years
Creators: name: Tisdell, Clement A.
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 2009
Subjects: subject: International Development
subject: Political Economy
subject: China
subject: developmental states
subject: economic development
subject: economic reforms
subject: institutional economics
subject: market socialism

description: This article adopts the point of view that China’s development policies can only be appreciated if they are considered by applying perspectives from institutional economics. This requires attention to be given to the historical, political and cultural context in which its economic development has occurred. Therefore, this article gives attention to the political events leading up to China’s decision in 1978 to begin its economic reforms and the way in which Deng Xiaoping crafted its new development path. It also discusses the subsequent extension of Deng’s development policies by more recent leaders of the Chinese Communist Party. Indicators of China’s economic progress (including its increasing economic openness) since 1978 are given, and its emerging economic issues and concerns are highlighted. The concept of ‘market socialism with Chinese characteristics” is analysed and consideration is given to the economic challenges now facing China as a result of the global economic recession and the way it is responding to these challenges. In conclusion, the article touches on China’s economic and political future and its growing international status.
Sampling of Atmospheric Aerosols by Electrostatic Precipitation for Direct Analyses. Part 2
Creators: name: Hermann, Gerd
name: Lasnitschka, Georg
name: Matz, Rudolf
name: Trenin, Alexander
name: Moritz, Walter
Publisher: name: arXiv
Year: 2004
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: This paper has been withdrawn by the author because of copyright reasons.
description: This paper has been withdrawn
The Survival of Small-scale Agricultural Producers in Asia, particularly Vietnam: General Issues Illustrated by Vietnam's Agricultural Sector, especially its Pig Production
Creators: name: Tisdell, Clement A.
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 2009
Subjects: subject: Agricultural and Food Policy
subject: International Development
subject: Agricultural policies
subject: Asia
subject: economies of scale
subject: farm sizes
subject: household agriculture
subject: industrial agriculture
subject: pigs
subject: Vietnam

description: Economic growth in more developed countries has resulted in farms increasing their scale of production and becoming more specialized in their production. The sizes of farms have tended to increase, agricultural production has become more capital-intensive, and the percentage of the workforce employed in agriculture has shown a falling trend. This process has been brought about by the operation of market systems and has reduced the number of small-scale agricultural producers. Asia still has a huge number of small-scale agricultural producers. As Asian countries experience economic growth and as market systems become more established in Asia, the survival of Asia’s small-scale agricultural producers is likely to be threatened. Since these producers are poor, this is of concern to several international aid agencies. On the other hand, some Asian governments (such as Vietnam’s) want to encourage larger scale agricultural production units. This article presents arguments for and against government strategies to promote large-scale agricultural units in emerging economies and presents an economic theory that models agricultural supply in emerging economics as being dualistic in nature. It provides information about the predominance of small-scale units in agricultural production in Vietnam, particularly in pig production, and assesses policies proposed for by Vietnam’s Government for increasing the size of units producing pigs.
Economic Benefits and Drawbacks of Cities and their Growth Implications
Creators: name: Tisdell, Clement A.
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 2009
Subjects: subject: Community/Rural/Urban Development
subject: agglomeration economies
subject: China
subject: city-sizes
subject: common property
subject: economic growth
subject: globalization
subject: income distribution
subject: India
subject: open-access resources
subject: quasi-public goods
subject: spillovers

description: Recent trends in the growth of cities particularly in developing countries (and especially in India and China) are identified. Beneficial and negative sharing mechanisms influencing the growth of cities are examined. Economic benefits of agglomeration arise not so much from the type of economic goods available in a city location (such as common property or local public goods) but from the enhanced operation of processes of economic exchange. Two theoretical implications of the growth of cities are considered, namely: (1) city growth results in growing inequality of income and wealth within the city and (2) a city will expand beyond its optimal size. Nevertheless, the growth of cities is linked with increased levels of per capita income nationally. Worldwide growth of cities is connected with increasing globalization and with rising income inequality.
Hippodamia arctica BMNH
Creators: name: POORANI, J.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Coccinellidae
Hippodamia
Hippodamia arctica

description: Hippodamia arctica (Schneider)
(Fig. 106a)
Coccinella arctica Schneider, 1792: 148 (Type material: St Petersburg, Russia; Type locality: Lapponia).
Adonia arctica: Mulsant 1850: 45; 1866: 33.
Hippodamia (Parippodamia) arctica: Iablokoff-Khnzorian, 1982: 322; Canepari, 1997: 50.
Hippodamia arctica: Biranvand et al. 2021: 297.
Diagnosis. Length: 4.80–5.20 mm; width: 2.80–3.20 mm. Form (Fig. 106a, BMNH) elongate oval, dorsum moderately convex and glabrous. Elytra yellow, with black pattern or elytra black with yellow pattern; pronotum yellowish-white, with a large black median crown-shaped spot and a yellowish spot on the base of pronotum; femora black, proximal half of tibiae black; abdominal ventrites black with orange spots in lateral margins. Abdominal postcoxal lines complete. Genitalia not studied.
Distribution. Mainly Palaearctic in distribution. Recorded from Nepal by Canepari (1997).
Note. See Biranvand et al. (2021) for more details and illustrations.
description: Published as part of POORANI, J., 2023, An illustrated guide to lady beetles (Coleoptera: Coccinellidae) of the Indian Subcontinent. Part 1. Tribe Coccinellini, pp. 1-307 in Zootaxa 5332 (1) on pages 151-152, DOI: 10.11646/zootaxa.5332.1.1, http://zenodo.org/record/8261502
Nonlinear Conjugate Gradient Methods for PDE Constrained Shape Optimization Based on Steklov-Poincaré-Type Metrics
Creators: name: Blauth, Sebastian
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: 49Q10, 49M05, 35Q93

description: Shape optimization based on shape calculus has received a lot of attention in recent years, particularly regarding the development, analysis, and modification of efficient optimization algorithms. In this paper we propose and investigate nonlinear conjugate gradient methods based on Steklov-Poincaré-type metrics for the solution of shape optimization problems constrained by partial differential equations. We embed these methods into a general algorithmic framework for gradient-based shape optimization methods and discuss the numerical discretization of the algorithms. We numerically compare the proposed nonlinear conjugate gradient methods to the already established gradient descent and limited memory BFGS methods for shape optimization on several benchmark problems. The results show that the proposed nonlinear conjugate gradient methods perform well in practice and that they are an efficient and attractive addition to already established gradient-based shape optimization algorithms.
A-Stars and the Virtual Observatory
Creators: name: Padovani, P.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The Virtual Observatory (VO) will revolutionise the way we do Astronomy, by allowing easy access to all astronomical data and by making the handling and analysis of datasets at various locations across the globe much simpler and faster. I report here on the need for the VO and its status in Europe, including the first ever VO-based astronomical paper, and then give two specific applications of VO tools to open problems of A-stars research.
description: 10 pages, 4 figures, invited talk at the IAU Symposium 224 "The A-Star Puzzle", Poprad, Slovakia, July 2004, J. Zwerko et al., in press
Why are Fresh Produce Prices So Unstable in Lusaka? Insights for Policy and Investment Priorities.
Creators: name: Hichaambwa, Munguzwe
name: Tschirley, David L.
name: Hichaambwa, Munguzwe
name: Tschirley, David L.
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agricultural and Food Policy
subject: Food Security and Poverty
subject: Marketing
subject: FOS: Economics and business
subject: Produce
subject: Zambia
subject: Africa

description: Daily quantities of tomato, rape and onion entering Soweto market in Lusaka fluctuate dramatically. The market does a remarkable job of moderating the impact on prices of these unstable quantities, through stabilizing mechanisms such as short-term storage of tomato and rape by traders and consumers, longer-term storage of onion by traders, direct sourcing of rape from farm areas by retail traders, and exportation of tomato and onion outside Lusaka. Yet even with these stabilizing mechanisms, wholesale prices are highly variable, with negative effects on farmers and consumers. Reducing variability requires investments in four areas: (a) improved control of production environments by farmers through irrigation, better access to inputs and greater agronomic knowledge, (b) improved vertical flow of information from farmers to traders to brokers to retailers, (c) a regulatory framework for broker activity to improve trust and information flow between brokers and sellers, and (d) improved market infrastructure.
Morphological and molecular phylogeny of the polycytopharyngeal ciliate Pycnothrix monocystoides Schubotz, 1908
Creators: name: Foissner, Wilhelm
name: Al-Rasheid, Khaled A. S.
name: Strüder-Kypke, Michaela C.
name: Lynn, Denis H.
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Physiology
subject: Evolutionary Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: We reinvestigated Pycnothrix monocystoides Schubotz, 1908 from the intestine of the African Rock Hyrax (Procavia capensis) collected from Saudi Arabia, using protargol impregnation and electron microscopy. Pycnothrix is a unique, up to 5 mm long intestinal ciliate with about two million cilia and many cytostomes (i.e. actual cytostome plus cytopharynx; polycytopharyngy) in the oral furrow (∼vestibulum) that extends on both sides of the cell. Both walls of the furrow are covered by adoral membranelle-like ciliary polymerizations. To the right of the furrow and the cytostomes there are small ciliary fields, very likely homologous to the “dorsal brush” found in free-living litostomateans. The molecular investigations show Pycnothrix as sister to Balantidium and endemic Australian intestinal ciliates, e.g. the genus Bandia. We propose that the common ancestor had both an oral furrow and a special ciliary field both similar to that found in Balantidium. The unique morphology (polycytopharyngy) and the rather distinct molecular separation suggest maintenance of the family status given by Poche (1913).
SOCIALIZATION OF DIFFERENTIZED MATHEMATICS TEACHING MODULES  GEOGEBRA'S ASSISTANCE WITH BENGKULU SMANKO TEACHERS
Creators: name: Hanifah, Agus Susanta, Hari Sumardi, Fifie Novrianti
Publisher: name: PT. Jasa Niaga Digital Indonesia
Year: 2024
Subjects: Differentiated Teaching Module, APOS Model, Geogebra, Linear Programming

description: The socialization of the geogebra-assisted differentiated mathematics teaching module to Bengkulu Sports Gifted High School teachers has been carried out successfully. The participants consisted of: 2 mathematics teachers, 1 physics teacher, 6 students, and 10 mathematics teachers who were FKIP UNIB Mathematics Education Masters students taking the Mathematics Learning Tools Development course. Activities are carried out in the following order: 1) Introducing Differentiated Teaching Modules, 2) Introducing 21st Century Learning, 3) Introducing the APOS Model, 4) Introducing Geogebra, 5) Implementing a Linear Program teaching module based on the APOS Model with the help of Geogebra. 6) Give Likert scale response questionnaires to participating teachers and students at SMANKO Bengkulu. After the response questionnaire was processed using a Likert scale, the results were: 1) the mean score of teacher responses to the Linear Program teaching module was 92.27, which was in the very good category, and 2) the student response score to the Linear Program teaching module was 87.6, which was in the very good category. The average response score of training participants to the Linear Program teaching module was 89.93 and was in the very high category.  The faces of teachers and students look happy when implementing the Linear Program teaching module. The Physics teacher said he would use Geogebra as a Physics learning tool.
Earthquake Nucleation along Faults with Heterogeneous Weakening Rate
Creators: name: Lebihain, Mathias
name: Roch, Thibault
name: Violay, Marie
name: Molinari, Jean-François
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The transition from quasi-static slip growth to dynamic rupture propagation constitutes one possible scenario to describe earthquake nucleation. If this transition is rather well understood for homogeneous faults, how the friction properties of multiscale asperities may influence the overall stability of seismogenic faults remains largely unclear. Combining classical nucleation theory and concepts borrowed from condensed matter physics, we propose a comprehensive analytical framework that predicts the influence of heterogeneities of weakening rate on the nucleation length $L_c$ for linearly slip-dependent friction laws. Model predictions are compared to nucleation lengths measured from 2D dynamic simulations of earthquake nucleation along heterogeneous faults. Our results show that the interplay between frictional properties and the asperity size gives birth to three instability regimes (local, extremal, and homogenized), each related to different nucleation scenarios, and that the influence of heterogeneities at a scale far lower than the nucleation length can be averaged.
Molecular phylogeny, taxonomic relationships and North American distribution of Conchophthirus (Conchophthiridae, Scuticociliatia)
Creators: name: Antipa, Gregory A.
name: Strüder-Kypke, Michaela C.
name: Lynn, Denis H.
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Molecular Biology
subject: Evolutionary Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry

description: Conchophthirus curtus is a scuticociliate found in the mantle cavity of unionid bivalve mussels; it is considered by most to be an endocommensal. It was previously redescribed and its morphogenesis has been carefully defined and evaluated. Conchophthirus stomatogenesis along with its enigmatic deep kinetosomal unit as compared with other scuticociliates, peniculines, and peritrichs suggested possible homologies and affinities. Thus, a comparison of Conchophthirus with common molecular markers to all other ciliates was a goal of this study. We collected Conchophthirus spp. in California from two unionid bivalve hosts: Anodonta californiensis in the Pit River and Lake Merced, and Margaritifera falcata from the Trinity River. The ciliates analyzed were predominantly C. curtus although other conchophthirids were present. The small subunit rRNA and the cytochrome c oxidase subunit 1 genes were sequenced. Phylogenetic analyses of these data were analyzed and maximum likelihood for the small submit rRNA dataset and neighbor-joining for the cytochrome c oxidase subunit 1 dataset. The cytochrome c oxidase subunit 1 sequences obtained from M. falcata populations were virtually identical. The analysis placed these sequences with 96% bootstrap support as sister to Dexiotricha sp. The small submit rRNA sequences obtained from populations from both hosts were almost identical, and they showed them to be sister, with 99% support to two unpublished sequences from Chinese populations of Conchophthirus cucumis and C. lamellidens, and sister to a Dexiotricha sp. These data and their analyses confirm Conchophthirus to be a scuticociliate, but not closely related to either philasterine or pleuronematine scuticociliates nor the peniculines or peritrichs. Further analysis awaits additional data. The North American distribution of Conchophthirus, niche analyses, and potential homologous structures are discussed as well as the use of these endocommensals as indicators of water quality and pollution.
Angular momentum balance and vortex production in wall-bounded flows
Creators: name: Paglietti, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: To produce a vortex, a torque must be applied to the fluid. In viscous fluids, the torques that produce turbulent vortices result from the loss of symmetry of the stress tensor, once the viscous friction exceeds the shear stress resistance of the fluid. In wall-bounded flows, in particular, the turbulent vortices form in a thin layer of fluid adjacent to the wall, practically coinciding with the so-called viscous sublayer, where the viscous friction reaches the largest values. The present paper determines a vortex structure for this sublayer, consistent with the well-known linearity of the diagram of the mean streamwise velocity of this region. The analysis enables us to calculate the diameter, angular velocity, and interaxis of the vortices in the viscous sublayer in steady-state conditions. The lifting force that makes the vortices migrate from the wall towards the mainstream flow is determined, and the crucial role played by gyroscopic precession in the reorientation of the vortex axis is discussed.
description: 26 pages, 6 figures. As accepted for publication in Physics of Fluids
Stochastic ion and electron heating on drift instabilities at the bow shock
Creators: name: Stasiewicz, Krzysztof
Publisher: name: arXiv
Year: 2020
Subjects: subject: Space Physics (physics.space-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: The analysis of the wave content inside a perpendicular bow shock indicates that heating of ions is related to the Lower-Hybrid-Drift (LHD) instability, and heating of electrons to the Electron-Cyclotron-Drift (ECD) instability. Both processes represent stochastic acceleration caused by the electric field gradients on the electron gyroradius scales, produced by the two instabilities. Stochastic heating is a single particle mechanism where large gradients break adiabatic invariants and expose particles to direct acceleration by the DC- and wave-fields. The acceleration is controlled by function $χ= m_iq_i^{-1} B^{-2}$div($\mathbf{E}$), which represents a general diagnostic tool for processes of energy transfer between electromagnetic fields and particles, and the measure of the local charge non-neutrality. The identification was made with multipoint measurements obtained from the Magnetospheric Multiscale spacecraft (MMS). The source for the LHD instability is the diamagnetic drift of ions, and for the ECD instability the source is ExB drift of electrons. The conclusions are supported by laboratory diagnostics of the ECD instability in Hall ion thrusters.
description: MNRAS, accepted, 6 pages, 5 figures
Gamma-Ray Spectroscopy in Lambda Hypernuclei
Creators: name: Tamura, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The present status of hypernuclear gamma-ray spectroscopy with Hyperball is summarized. We observed two gamma transitions of 16-Lambda-O(1- -> 1-,0-) and obtained the strength of the Lambda-N tensor force. In 10B(K-,pi- gamma) data, we did not observe the spin-flip M1 transition of 10-Lambda-B(2- -> 1-), but gamma rays from hyperfragments such as 7-Lambda-Li(7/2+ -> 5/2+) and 9-Lambda-Be(3/2+ ->1/2+) were observed. In 11B(pi+,K+ gamma) data, we observed six gamma transitions of 11_Lambda-B. We also attempted an inclusive gamma-ray measurement with stopped K- beam.
description: 10 pages, 9 figures, 8th International Conference on Hypernuclear and Strange Particle Physics (HYP2003), Newport News, Virginia, 14-18 Oct 2003, to appear in Nuclear Physics A
AssembleNet++: Assembling Modality Representations via Attention Connections
Creators: name: Ryoo, Michael S.
name: Piergiovanni, AJ
name: Kangaspunta, Juhana
name: Angelova, Anelia
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: Neural and Evolutionary Computing (cs.NE)
subject: FOS: Computer and information sciences

description: We create a family of powerful video models which are able to: (i) learn interactions between semantic object information and raw appearance and motion features, and (ii) deploy attention in order to better learn the importance of features at each convolutional block of the network. A new network component named peer-attention is introduced, which dynamically learns the attention weights using another block or input modality. Even without pre-training, our models outperform the previous work on standard public activity recognition datasets with continuous videos, establishing new state-of-the-art. We also confirm that our findings of having neural connections from the object modality and the use of peer-attention is generally applicable for different existing architectures, improving their performances. We name our model explicitly as AssembleNet++. The code will be available at: https://sites.google.com/corp/view/assemblenet/
description: ECCV 2020 camera-ready version
Supplementary Tables and Figures from Low-temperature open-air synthesis of PVP-coated NaYF4:Yb,Er,Mn upconversion nanoparticles with strong red emission
Creators: name: MacKenzie, Lewis E.
name: Alvarez-Ruiz, Diana
name: Pal, Robert
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: 30399 Macromolecular and Materials Chemistry not elsewhere classified
subject: FOS: Chemical sciences
subject: 30606 Structural Chemistry and Spectroscopy
subject: 100799 Nanotechnology not elsewhere classified
subject: FOS: Nanotechnology

description: Cubic (α-phase) NaYF4:Yb,Er upconversion nanoparticles (UCNPs) are uniquely suited to biophotonics and biosensing applications due to their near infrared excitation and visible red emission (λex approx. 660 nm), enabling detection via thick overlying tissue with no bio-autofluorescence. However, UCNP synthesis typically requires high temperatures in combination with either high pressure reaction vessels or an inert atmosphere. Here, we report synthesis of α-phase NaYF4:Yb,Er,Mn UCNPs via the considerably more convenient PVP40-mediated route; a strategy that requires modest temperatures and relatively short reaction time (160°C, 2 h) in open air, with Mn2+ co-doping serving to greatly enhance red emission. The optimal Mn2+ co-doping level was found to be 35 mol %, which decreased the average maximum UCNP Feret diameter from 42 ± 11 nm to 36 ± 15 nm; reduced the crystal lattice parameter, a, from 5.52 Å to 5.45 Å; and greatly enhanced UCNP red/green emission ratio in EtOH by a factor of 5.6. The PVP40 coating enabled dispersal in water and organic solvents and can be exploited for further surface modification (e.g. silica shell formation). We anticipate that this straightforward UCNP synthesis method for producing strongly red-emitting UCNPs will be particularly beneficial for deep tissue biophotonics and biosensing applications.
Spin observables of the reactions NN -> DeltaN and pd -> Delta (pp)(1S0) in collinear kinematics
Creators: name: Uzikov, Yu. N.
name: Haidenbauer, J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: A general formalism for double and triple spin-correlations of the reaction NN -> DeltaN is developed for the case of collinear kinematics. A complete polarization experiment allowing to reconstruct all of the four amplitudes describing this process is suggested. Furthermore, the spin observables of the inelastic charge-exchange reaction pd -> Delta^0(pp)(1S0) are analyzed in collinear kinematics within the single pN scattering mechanism involving the subprocess pn -> Delta^0p. The full set of spin observables related to the polarization of one or two initial particles and one final particle is obtained in terms of three invariant amplitudes of the reaction pd -> Delta (pp)(1S0) and the transition form factor d->(pp)(1S0). A complete polarization experiment for the reaction pd -> Delta^0(pp)(1S0) is suggested which allows one to determine three independent combinations of the four amplitudes of the elementary subprocess NN -> DeltaN.
description: 12 pages, 1 figure
Hippodamia heydeni Weise
Creators: name: POORANI, J.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Coccinellidae
Hippodamia
Hippodamia heydeni

description: Hippodamia heydeni Weise
(Fig. 106b)
Semiadalia heydeni Weise, 1892: 109 (Type locality: Central Asia).
Hippodamia heydeni: Dobzhansky 1927: 216; Mader 1928: 57; Kapur 1957: 269; 1963a: 30; Poorani 2002a: 332, 333. Hippodamia (Asemiadalia) heydeni: Iablokoff-Khnzorian 1979: 66.
Diagnosis. Length:5.00–7.00 mm.Form elongate oval, dorsum weakly convex and glabrous.Head as in H.andrewesi, anteriorly yellow and posteriorly black with a narrow, v-shaped emargination; pronotum with a transverse black discal macula, antero-and posterolateral areas yellowish, elytral pattern as illustrated (Fig. 106b). Colour pattern variable, one variant similar to that in H. andrewesi. Genitalia not studied.
Distribution. Himalayas.
Note. Kapur (1963) recorded it from Tibet and illustrated the colour variations and the male genitalia. Hippodamia andrewesi (Sicard, 1913), a valid species, was erroneously synonymized with H. heydeni by Iablokoff-Khnzorian (1979: 66) (see notes under H. heydeni).
description: Published as part of POORANI, J., 2023, An illustrated guide to lady beetles (Coleoptera: Coccinellidae) of the Indian Subcontinent. Part 1. Tribe Coccinellini, pp. 1-307 in Zootaxa 5332 (1) on page 153, DOI: 10.11646/zootaxa.5332.1.1, http://zenodo.org/record/8261502
Photon echoes of molecular photoassociation
Creators: name: Rudavets, Alexander G.
name: Dykhne, Alexander M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Revivals of optical coherence of molecular photoassociation driven by two ultrashort laser pulses are addressed in the Condon approach. Based on textbook examples and numerical simulation of KrF excimer molecules, a prediction is made about an existence of photon echo on free-bound transitions. Delayed rise and fall of nonlinear polarization in the half-collisions are to be resulted from the resonant quantum states interference whether it be in gas, liquid or solid phases.
description: 15 pages and 5 figures presented at ICONO '98'(Moscow, 1998): Fundamental Aspects of Laser-Matter Interaction, New Nonlinear Optical Materials and Physics of Low-Dimensional Structures
On Dirac theory in the space with deformed Heisenberg algebra. Exact solutions
Creators: name: Vakarchuk, I. O.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The Dirac equation has been studied in which the Dirac matrices $\hat{\boldmath$α$}, \hatβ$ have space factors, respectively $f$ and $f_1$, dependent on the particle's space coordinates. The $f$ function deforms Heisenberg algebra for the coordinates and momenta operators, the function $f_1$ being treated as a dependence of the particle mass on its position. The properties of these functions in the transition to the Schrödinger equation are discussed. The exact solution of the Dirac equation for the particle motion in the Coulomnb field with a linear dependence of the $f$ function on the distance $r$ to the force centre and the inverse dependence on $r$ for the $f_1$ function has been found.
description: 13 pages