cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Renormalization Group Approach to the Infrared Behavior of a Zero-Temperature Bose System
Creators: name: Pistolesi, F.
name: Castellani, C.
name: Di Castro, C.
name: Strinati, G. C.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We exploit the renormalization-group approach to establish the {\em exact} infrared behavior of an interacting Bose system at zero temperature. The local-gauge symmetry in the broken-symmetry phase is implemented through the associated Ward identities, which reduce the number of independent running couplings to a single one. For this coupling the $ε$-expansion can be controlled to all orders in $ε$ ($=3-d$). For spatial dimensions $1 < d \leq 3$ the Bogoliubov fixed point is unstable towards a different fixed point characterized by the divergence of the longitudinal correlation function. The Bogoliubov linear spectrum, however, is found to be independent from the critical behavior of this correlation function, being exactly constrained by Ward identities. The new fixed point properly gives a finite value of the coupling among transverse fluctuations, but due to virtual intermediate longitudinal fluctuations the effective coupling affecting the transverse correlation function flows to zero. As a result, no transverse anomalous dimension is present. This treatment allows us to recover known results for the quantum Bose gas in the context of a unifying framework and also to reveal the non-trivial skeleton structure of its perturbation theory.
description: 21 pages
The Industrialization of the U.S. Food System
Creators: name: Barkema, Alan
name: Drabenstott, Mark
name: Cook, M. L.
name: Barkema, Alan
name: Drabenstott, Mark
name: Cook, M. L.
Publisher: name: Unknown
Year: 1993
Subjects: Consumer/Household Economics
Demand and Price Analysis

description: Fundamental changes are underway in the U.S. food system, changes that are altering the relationships between consumers, food retailers and wholesalers, food processors and farmers and ranchers. Today's consumer — who demands an everwidening variety of healthful, conveniently prepared food products — is driving the changes in the food market. Meanwhile, advances in farm and food technology are enabling the food system to target a growing array of smaller consumer niches. Together, these changes in consumer demand and food technology are changing the traditional market structure linking consumers, processors and producers. This paper analyzes the changes taking place in the U.S. food system in three sections. The first section describes trends in food demand and food technology that underlie changes in the U.S. food system. The second section develops an analytical framework for understanding structural changes in the food system. The third section extends and refines the analytical framework to consider the food system of the future.
STATUS OF CONSERVED LOCAL PLANT BIODIVERSITY IN BULGARIA – NEW CHALLENGES AND RESEARCH PRIORITIES
Creators: name: Velcheva, Nikolaya V.
name: Stoilova, Tsvetelina D.
Publisher: name: Zenodo
Year: 2021
Subjects: landraces
ex situ collections
databases
climate changes
sustainability

description: Bulgaria is one of the countries with the greatest plant biodiversity in Europe, as well as with a significant number of unique ecosystems. The study aims to present the documented local plant genetic resources, conserved in the Bulgarian seed genebank, and to correspond to the new challenges, created by the climate changes. The research priorities are focused on expanding the role of biodiversity in agricultural food systems to increase the sustainability of farmers and to return the traditional taste to the consumers. The survey is based on the national register of plant genetic resources and the international databases such as FAO WIEWS, GENESYS, EURISCO and AEGIS. The results show that in the national collection 65,015 accessions were described by passport descriptor. 16,010 accessions are characterized with Bulgarian origin. Through expeditions 10,687 seed samples of local varieties have been collected in the country. The overview of plant genetic resources originating from Bulgaria is an indication of the wealth of crop plant species and their wild relatives, and they may assist in identifying gaps and need for further collecting. It may also be a good starting point for compiling checklists of cultivated plant species and future research activities. Some weak points in the documentation of the current ex situ collections are pointed out. The results will integrate descriptions of landraces, taking into account consumers’ perceptions and farmer’s needs for creation of thematic networks aimed to promote the durable use of local plant genetic resources.
description: The research was supported by the Bulgarian Ministry of Education and Science under the National Research Programme "Healthy Foods for a Strong Bio-Economy and Quality of Life", approved by DCM № 577/17.08.2018.
Jamming Percolation and Glass Transitions in Lattice Models
Creators: name: Toninelli, Cristina
name: Biroli, Giulio
name: Fisher, Daniel S.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: A new class of lattice gas models with trivial interactions but constrained dynamics are introduced. These are proven to exhibit a dynamical glass transition: above a critical density, rho_c, ergodicity is broken due to the appearance of an infinite spanning cluster of jammed particles. The fraction of jammed particles is discontinuous at the transition, while in the unjammed phase dynamical correlation lengths and timescales diverge as exp[C(rho_c-rho)^(-mu)]. Dynamic correlations display two-step relaxation similar to glass-formers and jamming systems.
description: 4 pages, 2 figs. Final version accepted for publication in Phys. Rev. Lett
An investigation into Rapidly Renewable Materials : bamboo and cotton
Creators: name: Jafarian, Mohammad Hassan
name: Ying-Udomrat, Thanet (Vic)
name: Huang, Xiao Xian (Tiffany)
name: Chen, Howard Hao
Publisher: name: The University of British Columbia
Year: 2014

description: Sustainable development requires the utilization of renewable resources. Renewable resources, whether it is energy or material, are the ones that can be regenerated within a short period time. Rapidly Renewable Materials (RRMs) are examples of such resources. RRMs are plant based materials that can be renewed within 10 years. Bamboo and cotton are two examples of available RRMs. These two materials can be used as an alternative to their commonly used construction materials in the new Student Union Building on UBC campus. Bamboo is a type of grass with extremely fast growth rate. The average time it takes for bamboo to reach maturity is 5 years. It can be used for flooring, wall covering, ceiling and furniture. Triple bottom line analysis shows that economically, it is much cheaper to purchase and recycle bamboo compared to its competitors such as Steel, Azobe and Robina. Environmentally, it can grow fast and absorb a considerable amount of CO₂ and produce Oxygen. It can also restore the degraded lands because its litter feeds the top soil of the land where it grows and its recycling process is environmentally friendly. Socially, it offers a variety of new job opportunities and green communities. There are some local suppliers of bamboo in Canada and hence it can be used in the new Student Union Building. Cotton is a plant and its fibers are commonly used in clothing industry. However, cotton fibers can also be used as a good insulating material in building construction. Triple bottom line analysis of cotton shows that economically, it is less costly to purchase and implement cotton based insulators compared to its chemically produced competitors. Environmentally, if it is produced organically, not only it preserves the animal habitat and different insect species, but also it has a very limited foot print in terms of water consumption with only 2.6% of the global water use compared to other agricultural products. Socially, cotton can produce variety of green jobs and also alleviate health concerns compared to chemically produced insulators. Local suppliers of cotton insulators are available in Canada and therefore it can be implemented in the new Student Union Building on UBC campus. Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”
Reconstruction of Air-Shower Parameters Through the Lateral Distribution Function of Ultra-High Energy Particles
Creators: name: Fadhel, Kadhom F.
name: Al-Rubaiee, A. A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In this study, the necessity of the simulation study for exploring the interactions of ultra-high energy particles cosmic rays was examined. Different hadronic interaction models such as (SIBYLL, QGSJET, and EPOS) were simulated by using air showers simulation AIRES system (version 19.04.00). Also, the charged particle density of Extensive Air Showers (EAS) was calculated by estimating the lateral distribution function (LDF). Moreover, the LDF simulation of the two primary particles (proton and iron nuclei) was performed, taking into account their primary energies effect and the zenith angle of charged particles that produced in the EAS, within the energy range (10^17-10^19) eV. At extremely high energies (10^17, 10^18, and 10^19) eV, new parameters as a function of the primary energy were obtained by fitting the lateral distribution curves of EAS using Sigmoidal function (Logistic model). Comparison of the results showed a good agreement between the values obtained from the parameterized LDF using Sigmoidal function with experimental results by AGASA EAS observatory for the primaries proton as well iron nuclei, with the production of (electron positron) pair and the charged muons secondary particles at high energy about 10^19 eV and (theta = 0 degree).
description: 8 pages, 4 figures, Proceedings of the Mustansiriyah International Conference on Applied Physics (MICAP-2021)
Discovery of an OVI Emitting Nebula around the Hot White Dwarf KPD 0005+5106
Creators: name: Otte, Birgit
name: Dixon, W. Van Dyke
name: Sankrit, Ravi
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A survey of diffuse interstellar sight lines observed with the Far Ultraviolet Spectroscopic Explorer has led to the serendipitous discovery of a high-ionization nebula around the hot white dwarf KPD 0005+5106. The nebula has an OVI 1032A surface brightness of up to 25,000 photons/s/cm^2/sr, making it the brightest region of extended OVI emission in our survey. Photoionization models using the incident white dwarf continuum successfully reproduce the observed OVI intensity. The OVI emission arises in the highly ionized inner region of a planetary nebula around KPD 0005+5106. This newly discovered nebula may be one member of a class of high-ionization planetary nebulae that are difficult to detect in the optical, but which can be easily identified in the ultraviolet.
description: accepted for publication in ApJL, 11 pages including 2 figures
Dielectric properties and dynamical conductivity of LaTiO3: From dc to optical frequencies
Creators: name: Lunkenheimer, P.
name: Rudolf, T.
name: Hemberger, J.
name: Pimenov, A.
name: Tachos, S.
name: Lichtenberg, F.
name: Loidl, A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We provide a complete and detailed characterization of the temperature-dependent response to ac electrical fields of LaTiO3, a Mott-Hubbard insulator close to the metal-insulator transition. We present combined dc, broadband dielectric, mm-wave, and infrared spectra of ac conductivity and dielectric constant, covering an overall frequency range of 17 decades. The dc and dielectric measurements reveal information on the semiconducting charge-transport properties of LaTiO3, indicating the importance of Anderson localization, and on the dielectric response due to ionic polarization. In the infrared region, the temperature dependence of the phonon modes gives strong hints for a structural phase transition at the magnetic ordering temperature. In addition, a gap-like electronic excitation following the phonon region is analyzed in detail. We compare the results to the soft-edge behavior of the optical spectra characteristic for Mott-Hubbard insulators. Overall a consistent picture of the charge-transport mechanisms in LaTiO3 emerges.
description: 11 pages, 8 figures, 1 table
Single-Photon Generation from Stored Excitation in an Atomic Ensemble
Creators: name: Chou, C. W.
name: Polyakov, S. V.
name: Kuzmich, A.
name: Kimble, H. J.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Single photons are generated from an ensemble of cold Cs atoms via the protocol of Duan et al. [Nature \textbf{414}, 413 (2001)]. Conditioned upon an initial detection from field 1 at 852 nm, a photon in field 2 at 894 nm is produced in a controlled fashion from excitation stored within the atomic ensemble. The single-quantum character of the field 2 is demonstrated by the violation of a Cauchy-Schwarz inequality, namely $w(1_{2},1_{2}|1_{1})=0.24\pm 0.05\ngeq 1$, where $w(1_{2},1_{2}|1_{1})$ describes detection of two events $(1_{2},1_{2})$ conditioned upon an initial detection $1_{1}$, with $w\to 0$ for single photons.
description: 5 pages, 4 figures
Open Geometry Prover Community Project
Creators: name: Baeta, Nuno
name: Quaresma, Pedro
Publisher: name: arXiv
Year: 2022
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences
subject: I.2; I.2.3

description: Mathematical proof is undoubtedly the cornerstone of mathematics. The emergence, in the last years, of computing and reasoning tools, in particular automated geometry theorem provers, has enriched our experience with mathematics immensely. To avoid disparate efforts,the Open Geometry Prover Community Project aims at the integration of the different efforts for the development of geometry automated theorem provers, under a common "umbrella". In this article the necessary steps to such integration are specified and the current implementation of some of those steps is described.
description: In Proceedings ADG 2021, arXiv:2112.14770
Rectifenestella Morozova 1974
Creators: name: Ernst, Andrej
name: Senowbari-Daryan, Baba
name: Hamedani, Ali
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Bryozoa
Stenolaemata
Fenestrida
Fenestellidae
Rectifenestella

description: Genus Rectifenestella Morozova, 1974
 TYPE SPECIES. — Fenestella medvedkensis Shulga-Nesterenko, 1951. Upper Carboniferous, Russian Platform (Russia).
description: Published as part of Ernst, Andrej, Senowbari-Daryan, Baba & Hamedani, Ali, 2006, Middle Permian Bryozoa from the Lakaftari area, northeast of Esfahan (central Iran), pp. 543-590 in Geodiversitas 28 (4) on page 554, DOI: 10.5281/zenodo.4665450
Superconducting properties of the hole-doped three-band \emph{d-p} model studied with minimal-size real-space \emph{d}-wave pairing operators
Creators: name: Biborski, A.
name: Zegrodnik, M.
name: Spalek, J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The three-band \emph{d-p} model is investigated by means of Variational Monte-Carlo (VMC) method with the BCS-like wave-function supplemented by the Gutzwiller and Jastrow correlators. The VMC optimization leads to $d$-$wave$ superconducting state with a characteristic dome-like shape of the order parameter for hole doping $δ\lesssim 0.4$, in a good agreement with the experimental observations. Also, the off-diagonal pair-pair correlation functions, calculated within VMC, vindicates the results obtained very recently within the diagrammatic expansion of the Gutzwiller wave function method (DE-GWF) [cf. Phys. Rev. B \textbf{99}, 104511 (2019)]. Subsequently, the nature of the $d$-$wave$ pairing is investigated by means of recently proposed \emph{minimal-size real-space d-wave pairing operators} [Phys. Rev. B \textbf{100}, 214502 (2019)]. An emergence of the long-range superconducting ordering for both $d$ and $p$ orbitals is reported by analysing the corresponding off-diagonal pair-pair correlation functions. The dominant character of \emph{d-wave} pairing on $d$ orbitals is confirmed. Additionally, the trial wave-function is used to investigate the magnetic properties of the system. The analysis of spin-spin correlation functions is carried out and shows antiferromagnetic $\mathbf{q}=(π,π)$, short-range order, as expected. For the sake of completeness, the charge gap has been estimated, which for the parent compound takes the value $Δ_{CG}\approx1.78\pm0.51\text{ eV}$, and agrees with values reported experimentally for the cuprates.
Variability and transient search in the SUDARE-VOICE field: a new method to extract the light curves
Creators: name: Liu, Dezi
name: Deng, Wenqiang
name: Fan, Zuhui
name: Fu, Liping
name: Covone, Giovanni
name: Vaccari, Mattia
name: Radovich, Mario
name: Capaccioli, Massimo
name: De Cicco, Demetra
name: Grado, Aniello
name: Marchetti, Lucia
name: Napolitano, Nicola
name: Paolillo, Maurizio
name: Pignata, Giuliano
name: Ragosta, Fabio
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The VST Optical Imaging of the CDFS and ES1 Fields (VOICE) Survey, in synergy with the SUDARE survey, is a deep optical $ugri$ imaging of the CDFS and ES1 fields using the VLT Survey Telescope (VST). The observations for the CDFS field comprise about 4.38 deg$^2$ down to $r\sim26$ mag. The total on-sky time spans over four years in this field, distributed over four adjacent sub-fields. In this paper, we use the multi-epoch $r$-band imaging data to measure the variability of the detected objects and search for transients. We perform careful astrometric and photometric calibrations and point spread function (PSF) modeling. A new method, referring to as differential running-average photometry, is proposed to measure the light curves of the detected objects. With the method, the difference of PSFs between different epochs can be reduced, and the background fluctuations are also suppressed. Detailed uncertainty analysis and detrending corrections on the light curves are performed. We visually inspect the light curves to select variable objects, and present some objects with interesting light curves. Further investigation of these objects in combination with multi-band data will be presented in our forthcoming paper.
description: 13 pages, 12 figures. MNRAS accepted
Estimating the Overall Economic Loss to the South Carolina Peach Industry due to the March 2017 Freeze
Creators: name: White, Cody
name: Vassalos, Michael
name: Smith, Nathan
name: White, Cody
name: Vassalos, Michael
name: Smith, Nathan
Publisher: name: Unknown
Year: 2018
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: economic analysis
subject: peach industry
subject: south carolina

description: South Carolina is the 2nd largest peach producing state in the United States, which in turn makes the peach industry a major contributor to the state’s economy ranking 8th in production value in 2016. According to the South Carolina Department of Agriculture (SCDA), the peach industry annually has up to a $300 million impact to the South Carolina economy and has an annual value of nearly $70 million. An unseasonably warm winter at the beginning of 2017 produced an early bloom for the peach crop causing severe damage when record low temperatures occurred in March. Original estimations from the SCDA indicated that about 85-90% of the state’s peach crop was destroyed due to the freeze. The objective of the paper is to determine the economic impact that occurred to the South Carolina peach industry and to the state’s economy due to the freeze. In particular, losses will be examined in both consumer and producer surplus. The data is obtained from farmers’ responses to surveys and from the USDA National Agricultural Statistics Service. Also, the regional economic analysis from the loss is determined using IMPLAN input-output models.
Polyporella Simpson 1895
Creators: name: Ernst, Andrej
name: Senowbari-Daryan, Baba
name: Hamedani, Ali
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Bryozoa
Stenolaemata
Fenestrida
Fenestellidae
Polyporella

description: Genus Polyporella Simpson, 1895
 TYPE SPECIES. — Fenestella fistulata Hall, 1884. Hamilton Group, Middle Devonian, New York (USA).
description: Published as part of Ernst, Andrej, Senowbari-Daryan, Baba & Hamedani, Ali, 2006, Middle Permian Bryozoa from the Lakaftari area, northeast of Esfahan (central Iran), pp. 543-590 in Geodiversitas 28 (4) on page 572, DOI: 10.5281/zenodo.4665450
Long Run Impact of Rural Household Income on Family Living Expenses
Creators: name: Ajewole, Kayode
name: Griffin, Terry
name: Ajewole, Kayode
name: Griffin, Terry
Publisher: name: Unknown
Year: 2018
Subjects: Community/Rural/Urban Development

description: Despite the steady rise of farm income between 2010 and 2014, farm income has dropped drastically in the past two years. Does the latest volatility in farm income have immediate effect on family living expenses (FLE) or does it take several years detect lagged adjustments? We applied the autoregressive distributed lag model (ARDL) to access the relationship between past net farm income (NFI) and present FLE among Kansas farm households. We assumed a linear function between family living expenses and both the present and lagged values of NFI. We used 23 years (1993 – 2015) of Kansas Farm Management Association (KFMA) data on farmers’ net farm income and family living expenses. Our hypothesis is that farm household income will have a long run impact on the household’s living expenses. Preliminary results indicate that farm household income has only immediate effect on the farm living expenses when NFI is increasing. When NFI is decreasing, the lagged response between NFI and FLE increases. A good forecast of farm living expenses using past and current farm household income will be useful for making better policy adjustment towards the farm living households during poor farm years.
Invasion of Corbicula fluminea (Müller, 1774) (Bivalvia: Corbiculidae) in water bodies from the East Aegean River Basin in Bulgaria
Creators: name: Vidinova Yanka
name: Park Jiyoung
name: Varadinova Emilia
name: Tyufekchieva Violeta
name: Todorov Milcho
Publisher: name: Zenodo
Year: 2021
Subjects: Asian clam, invasion, dispersal, East Aegean River Basin, Bulgaria

description: Since the first record of the invasive Corbicula fluminea (Müller, 1774) in Bulgaria in 2001 (Danube River at Vetren village), the Asian clam spread in a relatively short time to most of the Bulgarian Danube tributaries. For almost a decade after, the mussel was registered in many surface freshwaters in Bulgarian Danube River Basin, including rivers, lakes and reservoirs. The aim of the current study is to report the finding of C. fluminea in lotic environment of the East Aegean water basin in Bulgaria. As a result of large-scale research of macroinvertebrate communities in different types of water bodies, 6 new localities of this species were registered – two in Tundzha River and four – in Maritsa River, all situated in their lower stretches. Considering the current known distribution of the species, we discussed the possible path for invasion of the largest rivers in south-eastern part of Balkan Peninsula and the probability of rapid spread of Corbicula in their tributary systems.
Commodity Prices, Monetary Policy and the Taylor Rule
Creators: name: Siami-Namini, Sima
name: Hudson, Darren
name: Trindade, A. Alexandre
name: Lyford, Conrad
name: Siami-Namini, Sima
name: Hudson, Darren
name: Trindade, A. Alexandre
name: Lyford, Conrad
Publisher: name: Unknown
Year: 2018
Subjects: subject: Consumer/Household Economics
subject: Financial Economics
subject: Research Methods/ Statistical Methods
subject: Monetary Policy
subject: Commodity Prices
subject: Taylor Rule
subject: Core and Headline CPI Inflation

description: One way to analyze the impact of commodity price shocks on monetary policy is to think about short-term interest rates set by Fed according to the Taylor rule. Taylor (1993) suggested a policy reaction function for moderating short-term interest rates to achieve the two-fold goals of stabilizing economic growth in the short-term and inflation in the long-term. One important question is why monetary policy makers focus on core inflation instead of headline inflation. Therefore, the main goal of this research article is to study the pattern of monetary policy responses to commodity price shocks derived from an impulse response function (IRF). To do this, we first estimate two individual Taylor rules based on core and headline consumer price index (CPI) inflation by using real-time data of the US economy for the Greenspan years from 1987 to 2006 and predict the residuals. Then, we estimate two regressions for core and headline CPI inflation as our two individual dependent variables against some independent variables including commodity price shocks, and the Taylor rule residuals. At the end, we predict the monetary policy responses to commodity price shocks by using IRF analysis in multivariate systems of a vector autoregression (VAR) model.
The Weinberg Angle and 5D RGE effects in a SO(11) GUT theory
Creators: name: Englert, Christoph
name: Miller, David J.
name: Smaranda, Dumitru Dan
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The Weinberg angle is an important parameter in Grand Unified Theories (GUT) as its size is crucially influenced by the assumption of unification. In scenarios with different steps of symmetry breaking, in particular in models that involve gauge-Higgs unification, the connection of the ultraviolet theory and the TeV scale-relevant, effective Standard Model description is an important test of the models' validity. In this work, we consider a 6D gauge-Higgs unification GUT scenario and explore the TeV scale-GUT relation using a detailed RGE analysis in the 4D and 5D regimes of the theory, including constraints from LHC measurements. We show that such can be consistent with unification in the light of current constraints, while the Weinberg angle likely translates into concrete conditions on the fermion sector in the higher dimensional setup.
description: 14 pages, 9 figures, 5 tables; v2 Version accepted for publication, updated figures and results
Image Processing Methods for Coronal Hole Segmentation, Matching, and Map Classification
Creators: name: Jatla, V.
name: Pattichis, M. S.
name: Arge, C. N.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Image and Video Processing (eess.IV)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The paper presents the results from a multi-year effort to develop and validate image processing methods for selecting the best physical models based on solar image observations. The approach consists of selecting the physical models based on their agreement with coronal holes extracted from the images. Ultimately, the goal is to use physical models to predict geomagnetic storms. We decompose the problem into three subproblems: (i) coronal hole segmentation based on physical constraints, (ii) matching clusters of coronal holes between different maps, and (iii) physical map classification. For segmenting coronal holes, we develop a multi-modal method that uses segmentation maps from three different methods to initialize a level-set method that evolves the initial coronal hole segmentation to the magnetic boundary. Then, we introduce a new method based on Linear Programming for matching clusters of coronal holes. The final matching is then performed using Random Forests. The methods were carefully validated using consensus maps derived from multiple readers, manual clustering, manual map classification, and method validation for 50 maps. The proposed multi-modal segmentation method significantly outperformed SegNet, U-net, Henney-Harvey, and FCN by providing accurate boundary detection. Overall, the method gave a 95.5% map classification accuracy.
Thinking Counterfactual Sequentially : A Processual View of Counterfactual in Historical Sociology
Creators: name: Zhang, Yang
Publisher: name: American University
Year: 2023

description: Counterfactual has been understood in various languages and practiced in different ways in philosophy, history, and the social sciences. Both its importance and controversy cannot be underestimated. In “History is Sociology: All Arguments are Counterfactuals,” Mark Gould posits several illuminating and provoking statements. I appreciate Gould's ambition and support many of his claims, but it seems that some perplexing problems and challenges of counterfactual analysis have not been sufficiently specified in his essay. While sympathizing with Gould's position, I also find there is a need to respond to serious critics of counterfactual history (e.g., Carr, 1961, p. 127–128; Collins, 2007; Elster, 1978; Evans, 2013; Thompson, 1978, p. 300) by developing a moderate version of its methodological application. To go deeper into this discussion, my essay will mostly focus on the use of counterfactual in the historical social sciences. In what follows, I will first respond to several of Gould's central claims, then elaborate on a sequential view of counterfactual that fits the epistemology of historical sociology, and finally focus on the counterfactual of human choices, which often lies in the intellectual, practical, and moral center of historical scholarship.
Stimulation of Primula veris seeds' germination under in vivo and in vitro conditions
Creators: name: Marina, Stanilova
name: Petrova Maria
name: Grigorova Irena
name: Traykova Boryanka
name: Yankova-Tsvetkova, Elina
Publisher: name: Zenodo
Year: 2021
Subjects: seed germination, gibberellic acid, monochromatic lights, stratification

description: Primula veris L. (Cowslip) is a medicinal plant species with a long history of use, native to Europe and Western Asia. In Bulgaria it is protected by the Biodiversity Act and under special regime of use based on the Medicinal Plants Act. The aim of the present study was to stimulate the extremely low seed germination of P. veris by different approaches. Seeds were gathered from one native population in the Golo Bardo Mountain in Bulgaria, and used for in vivo and in vitro experiments in parallel. The effect of different factors was tested: treatment with plant growth regulators (gibberellic acid, kinetin), light quality (white, infrared, red, and blue) or dark, and stratification at low temperature. Combination of factors resulted in 36 variants in vivo and 8 variants in vitro, about 40 seeds per variant. No germination was observed in control variants without seed treatment. Concerning in vivo variants, the highest germination rates were noticed when seeds were cultivated under red or blue light (70% when seeds were soaked into 0.1% GA3 for 5 h before treatment with red light, and 65% when treated with 0.3% GA3 for 5 h and put under blue light); however, red light caused etiolation and death of seedlings, while blue light stimulated development of large cotyledons and leaves. Among in vitro variants, the most successful factors combination was 2-month seeds stratification at 4 ºC followed by cultivation on medium containing 0.5 mg/l kinetin and 5 mg/l GA3 – 50% germinated seeds. In all variants significant number of seeds stopped their development at root stage, even the survival rate varied between variants. Seedlings were transferred consecutively to vermiculite and soil mixture, and currently about hundred plants are growing in the phytotron. These results will be used as a base for establishment of a pilot agriculture of the species.
Generalized Heisenberg algebra applied to realizations of the orthogonal, Lorentz and Poincare algebras and their dual extensions
Creators: name: Meljanac, Stjepan
name: Martinic-Bilac, Tea
name: Kresic-Juric, Sasa
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We introduce the generalized Heisenberg algebra $\mathcal{H}_n$ and construct realizations of the orthogonal and Lorentz algebras by power series in a semicompletion of $\mathcal{H}_n$. The obtained realizations are given in terms of the generating functions for the Bernoulli numbers. We also introduce an extension of the orthogonal and Lorentz algebras by quantum angles and study realizations of the extended algebras in $\mathcal{H}_n$. Furthermore, we show that by extending the generalized Heisenberg algebra $\mathcal{H}_n$ one can also obtain realizations of the Poincare algebra and its extension by quantum angles.
description: 20 pages
Palaeotragus Gaudry 1861
Creators: name: Kostopoulos, Dimitris S.
name: Saraç, Gercek
Publisher: name: Zenodo
Year: 2005
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Artiodactyla
Giraffidae
Palaeotragus

description: Genus Palaeotragus Gaudry, 1861
 TYPE SPECIES. — Palaeotragus rouenii Gaudry, 1861. Type locality: Pikermi, Greece.
description: Published as part of Kostopoulos, Dimitris S. & Saraç, Gercek, 2005, Giraffidae (Mammalia, Artiodactyla) from the late Miocene of Akkaşdağı, Turkey, pp. 735-745 in Geodiversitas 27 (4) on page 739, DOI: 10.5281/zenodo.4665396
Treatment of Chalazian: a Comparative Cross-sectional Study
Creators: name: Amgain, Kapil
Publisher: name: figshare
Year: 2020
Subjects: subject: 60802 Animal Cell and Molecular Biology
subject: FOS: Biological sciences

description: ABSTRACT:Introduction: Chalazion is a common eyelid margin disordermanifesting as granulomatous inflammation associated with meibomian gland lipids. There are three methods of treating chalazian: Intralesional Triamcinolone Acetonide (0.1-0.3 ml of 40mg/ml), Incision and Curettage and Conservative Treatment (hot compression +lid hygiene + antibioticointment).Methods: Patients with chalazian presenting to Outpatient Department (OPD) of Lumbini Eye Institute and Reserch Center (LEIRC) from 15 March 2017 to 15 July 2017 were included in the study. They underwent any of the three procedures (Conservative Treatment or TriamcinoloneAcetonide Injection or Incision and Curettage) according to their choice. We compared all three methods of treatment of chalazion on follow up visit at 2 weeks, which was done to determine effectiveness in terms of reduction of size or complete resolution of the chalazia.Results: Out of 112 patients enrolled in the study 65(58%) were females and 47(42%) were male with a male: female ratio of (0.7:1). Mean age of involvement was 25.7years (SD 10.3). At 2 weeks follow up there was complete resolution in incision and curettage (I and C) group 77 % (41/53)and in Triamcinolone Acetonide (TA) injection group 63 %( 20/32). Pearson’s correlations showed that I and C were superior to any other forms of intervention for any size of chalazian followed by intralesional injection of TA.Conclusion: Incision and Curettage remained the best choice for treatment of chalazionfollowed by triamcinolone acetonide injection but may need multiple injections.Keywords: Chalazion, Intralesional Triamcinolone Acteonide, Incision and Curettage, Meibomian Gland.
Cover page-front. EJMS front only thumbnails.jpg
Creators: name: Amgain, Kapil
Publisher: name: figshare
Year: 2020
Subjects: subject: 60802 Animal Cell and Molecular Biology
subject: FOS: Biological sciences
subject: Anesthesiology
subject: Anatomy
subject: Behavioral Neuroscience
subject: 60199 Biochemistry and Cell Biology not elsewhere classified
subject: 60103 Cell Development, Proliferation and Death

description: Europasian Journal of Medical Sciences (EJMS)
The Europasian Journal of Medical Sciences (EJMS) is a Peer-Reviewed, Indexed, Open-Accessed Medical Journal which is published biannually online as well as in print version. It is an official publication of the Nirvana Psychosocial Care Center & Research Institute. The NPSCC Research Institute was established in 2016 with the sole motive of conducting innovative research, promoting quality publication and providing good psychosocial well-being of the community. Hence, the NPSCC Research Institute has started this Journal to encourage innovative research in the field of medicine and health allied sciences. We are committed to meeting and upholding standards of ethical behavior at all stages of the publication process. The EJMS aims to publish original research work that contributes significantly to enhance scientific knowledge via research and publication. The journal does not charge for submission, processing of the manuscript, and even for the online publication. However, a minimum amount will be charged for the author who needs a hard copy of the Journal.
New results on SIDIS SSA from Jefferson Lab
Creators: name: Avakian, H.
name: Bosted, P.
name: Burkert, V.
name: Elouadrhiri, L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present studies of single-spin and double-spin asymmetries in semi-inclusive electroproduction of pions using the CEBAF 6 GeV polarized electron beam. Kinematic dependences of single and double spin asymmetries have been measured in a wide kinematic range at CLAS with a polarized NH$_3$ target. Significant target-spin $\sin2ϕ$ and $\sinϕ$ asymmetries have been observed. The hypothesis of factorization has been tested with $z$-dependence of the double spin asymmetry.
description: 4 pages, 6 figures
Thinking Counterfactual Sequentially : A Processual View of Counterfactual in Historical Sociology
Creators: name: Zhang, Yang
Publisher: name: Wiley
Year: 2023
Subjects: classificationCode: 4410
subject: Sociology
subject: FOS: Sociology

description: Counterfactual has been understood in various languages and practiced in different ways in philosophy, history, and the social sciences. Both its importance and controversy cannot be underestimated. In “History is Sociology: All Arguments are Counterfactuals,” Mark Gould posits several illuminating and provoking statements. I appreciate Gould's ambition and support many of his claims, but it seems that some perplexing problems and challenges of counterfactual analysis have not been sufficiently specified in his essay. While sympathizing with Gould's position, I also find there is a need to respond to serious critics of counterfactual history (e.g., Carr, 1961, p. 127–128; Collins, 2007; Elster, 1978; Evans, 2013; Thompson, 1978, p. 300) by developing a moderate version of its methodological application. To go deeper into this discussion, my essay will mostly focus on the use of counterfactual in the historical social sciences. In what follows, I will first respond to several of Gould's central claims, then elaborate on a sequential view of counterfactual that fits the epistemology of historical sociology, and finally focus on the counterfactual of human choices, which often lies in the intellectual, practical, and moral center of historical scholarship.
Lie algebraic characterization of manifolds
Creators: name: Grabowski, Janusz
name: Poncin, Norbert
Publisher: name: arXiv
Year: 2003
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 17B63; 13N10; 16S32; 17B40; 17B65; 53D17

description: Results on characterization of manifolds in terms of certain Lie algebras growing on them, especially Lie algebras of differential operators, are reviewed and extended. In particular, we prove that a smooth (real-analytic, Stein) manifold is characterized by the corresponding Lie algebra of linear differential operators, i.e. isomorphisms of such Lie algebras are induced by the appropriate class of diffeomorphisms of the underlaying manifolds.
description: 15 pages
Triple bottom line assessment of rooftop catchment system
Creators: name: Bowling, Jenna
name: Tattersfield, Susan
name: Darakjian, Tina
Publisher: name: The University of British Columbia
Year: 2014

description: The University of British Columbia (UBC) plans to implement a rainwater harvesting system atop the roof of the new student union building (SUB). An investigation into the rooftop design and potential catchment materials was carried out to determine the associated economic, environmental and social impacts. A material analysis for the water supply and drainage piping is also considered. A low sloping roof design is chosen for its ability to prevent excessive loading due to factors such as ponding of rainwater. The four potential roofing types studied for a low slope roof design were asphalt, concrete, green roof, and aluminum. Overall, concrete roofing was deemed most appropriate due to its superior economic and environmental implications. Although green roof is seen as the more socially viable option, its adverse economic and environmental implications are too great to base the roof design solely on appearance. Cast iron piping for the drainage system appeared most advantageous when compared with acrylonitrile butadiene styrene (ABS) for its long design life and recyclability. It is also considered more economically and environmentally sound over the lifetime of the SUB building. Polypropylene pipes are recommended for the water supply piping as they are most cost effective, and strongly support Leadership in Energy and Environmental Design (LEED) initiatives. Lastly, the optimal material for the gutter system, an intermediary of the rooftop and piping systems, is galvanized steel. This is proposed as a result of its long life span and ability to resist corrosion. Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”
Altitude effects of localized source currents on magnetotelluric responses
Creators: name: Sato, Shinya
Publisher: name: arXiv
Year: 2020
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences
subject: 86A25

description: The effects of localized source currents on Earth's magnetotelluric (MT) responses have been reported in the literature in terms of the changes in period and subsurface structure. The focus in this study is on the bias within the MT responses arising from variations in the vertical and horizontal distances of the source current. The MT responses at 20 and 200 s were calculated at various distances from the source current. A slight change in source distance causes a shift in the MT responses, and the bias is large, especially over the altitudes explored in the MT data analysis (i.e., 100-150 km), where the E layer exists. The vertical distance of the source field varies because the distribution of conductivity with altitude in the ionosphere and the region controlling the ionospheric electrical process change temporally. Thus, in assessing the temporal changes in MT responses, we should treat them carefully by checking the ionospheric environment.
description: 14 pages, 13 figures
GLIS XML Integration Toolkit Installation and Operation Manual
Creators: name: Marsella, Marco
Publisher: name: ITPGRFA
Year: 2025
Subjects: ITPGRFA
GLIS
DOI

description: This document describes the architecture and the operation of the GLIS XML Integration Toolkit, a lightweight Java application intended to facilitate the connection between a local documentation system and GLIS for the registratioin and update of DOIs assigned to PGRFA
Farm Financial Stress in Oklahoma: The Effects of Price Change and Debt
Creators: name: Stefenoni, Joseph
name: Jones, Rodney D.
name: Doye, Damona
name: Riley, John Michael
name: Stefenoni, Joseph
name: Jones, Rodney D.
name: Doye, Damona
name: Riley, John Michael
Publisher: name: Unknown
Year: 2018
Subjects: subject: Agricultural Finance
subject: Financial Stress
subject: Price Shock
subject: Financial Performance

description: After historically high levels of net farm income in 2012 and 2013, low commodity and livestock prices have combined with other factors to dramatically reduce farm income. These changes create financial stress for farmers, degrades the value of farmland and other farm assets, and has implications for agricultural credit markets and relationships. Most farmers and ranchers are looking for ways to improve financial performance, but more importantly are looking for information on how to mitigate the effects of financial stress in their operations. Active farmers and ranchers need information to survive the current and future periods of farm financial stress. The purpose of this research is to explore the extent of recent farm financial stress, and to determine what factors are contributing to the current cycle of farm financial stress. Specifically, we explore recent trends in farm income and farm debt, compare current farm financial position and performance to previous years, and determine factors that are associated with successful transition through periods of farm financial stress. This research examines the effect that leverage, and prices have on the intermediate survival of a farm business. The findings of the research will provide further insight into the conditions that create and enhance farm financial stress.
GLIS XML Integration Toolkit Installation and Operation Manual
Creators: name: Marsella, Marco
Publisher: name: ITPGRFA
Year: 2024
Subjects: ITPGRFA
GLIS
DOI

description: This document describes the architecture and the operation of the GLIS XML Integration Toolkit, a lightweight Java application intended to facilitate the connection between a local documentation system and GLIS for the registratioin and update of DOIs assigned to PGRFA