cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Top-squark searches at the Tevatron in models of low-energy supersymmetry breaking
Creators: name: Carena, Marcela
name: Choudhury, Debajyoti
name: Diaz, Rodolfo A.
name: Logan, Heather E.
name: Wagner, Carlos E. M.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the production and decays of top squarks (stops) at the Tevatron collider in models of low-energy supersymmetry breaking. We consider the case where the lightest Standard Model (SM) superpartner is a light neutralino that predominantly decays into a photon and a light gravitino. Considering the lighter stop to be the next-to-lightest Standard Model superpartner, we analyze stop signatures associated with jets, photons and missing energy, which lead to signals naturally larger than the associated SM backgrounds. We consider both 2-body and 3-body decays of the top squarks and show that the reach of the Tevatron can be significantly larger than that expected within either the standard supergravity models or models of low-energy supersymmetry breaking in which the stop is the lightest SM superpartner. For a modest projection of the final Tevatron luminosity, L = 4 fb-1, stop masses of order 300 GeV are accessible at the Tevatron collider in both 2-body and 3-body decay modes. We also consider the production and decay of ten degenerate squarks that are the supersymmetric partners of the five light quarks. In this case we find that common squark masses up to 360 GeV are easily accessible at the Tevatron collider, and that the reach increases further if the gluino is light.
description: 32 pages, 9 figures; references added
Causas e consequências do divórcio em Malanje - Angola
Creators: name: Barros, Daniel Hebo
name: Quica Hebo, Elias José
Publisher: name: Revista Temas Sociais
Year: 2024

description: O divórcio é, essencialmente, a dissolução do casamento, movido por várias causas e que produz inúmeros efeitos nas demais franjas sociais. O presente artigo busca compreender as causas e consequências do fenómeno divórcio em Malanje. O artigo é de natureza mista, baseia-se na pesquisa documental, recorrendo aos relatórios do Tribunal Provincial de Malanje e da Conservatória do Registo Civil de Malanje. Os dados aqui apresentados são abordados numa dimensão diacrónica, apontando o evoluir dos casamentos celebrados e os divórcios solicitados, isto é, os dissididos e os não dissididos entre 2016 a 2023. Nesta conformidade, para a explicação do fenómeno em destaque, usou-se a teoria funcionalista de médio alcance de Merton. A mesma permitiu-nos explicar, fundamentalmente, a construção do casamento tendo em conta os papéis sociais desempenhados pelos cônjuges na relação, pois o casamento é considerando como uma instituição social onde ocorre o processo de socialização primária. Para esta perspectiva teórica, esta instituição em certa medida pode tornar-se funcional ou disfuncional. Assim, do casamento nasce o divórcio como uma disfunção fruto da desarticulação dos conceitos de função manifesta e latente. O artigo retrata ainda a infidelidade como a principal causa do divórcio e a fuga à paternidade como um dos efeitos dos tantos que existem, que remeteria ao conceito de efeitos perversos da acção de Budon.


 
description: Revista Temas Sociais , n. 7 (2024): Temas Sociais
MOESM1 of TMRS: an algorithm for computing the time to the most recent substitution event from a multiple alignment column
Creators: name: Kiryu, Hisanori
name: Yuto Ichikawa
name: Kojima, Yasuhiro
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Computational Biology

description: Additional file 1. Detailed description of TMRS algorithms.
Bio-Wertschöpfungsketten in Entwicklung: Lernende Systeme zwischen Exploration und Exploitation
Creators: name: Braun, Charis Linda
name: Bitsch, Vera
name: Häring, Anna Maria
name: Braun, Charis Linda
name: Bitsch, Vera
name: Häring, Anna Maria
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agribusiness
subject: Farm Management
subject: Wertschöpfungsketten
subject: organisationales Lernen
subject: Prozessbegleitung

description: Die vorliegende Studie präsentiert den Entwicklungsprozess von Bio-Wertschöpfungsketten aus der Perspektive des organisationalen Lernens und geht der Frage nach, wie Veränderungen in Wertschöpfungsketten gestaltet werden. Die Basis bilden Daten aus einer Aktionsforschungsstudie, die den Lernprozess von Unternehmen in einer Wertschöpfungskette für Bio-Lebensmittel erforscht. Zusätzlich wurden fünf Gruppeninterviews mit sogenannten Wertschöpfungskettenentwickler:innen aus verschiedenen Regionen Deutschlands geführt. Die Ergebnisse bilden die Entwicklung von Wertschöpfungsketten in drei Lernphasen ab, vom gemeinsamen Erkunden des Problems, über eine Phase des Gestaltens, Experimentierens und Umsetzens, bis zur Verstetigung der Zusammenarbeit zwischen den Unternehmen der Wert-schöpfungskette. Der Veränderungsprozess pendelt dabei zwischen intra- und interorganisationalem sowie explorativem und exploitativem Lernen.
Adjustment costs and dynamic factor demands for U.S. cigarette manufacturing
Creators: name: Rezitis, Anthony N.
name: Brown, A. Blake
name: Foster, William E.
name: Rezitis, Anthony N.
name: Brown, A. Blake
name: Foster, William E.
Publisher: name: Unknown
Year: 1998
Subjects: Crop Production/Industries
Demand and Price Analysis
Production Economics

description: Following the approach of Berndt, Fuss, and Waverman, a dynamic model for U.S. cigarette manufacturing is developed and factor demands estimated. Tobacco and capital stocks are treated as quasi-fixed inputs. The results indicate that there are significant adjustment costs associated with adjusting tobacco stocks, but not with adjusting the capital stock. Short-run, intermediate-run, and long-run output constant elasticities are estimated for inputs in cigarette production. Demand for U.S. tobacco by U.S. cigarette manufacturers is found be more inelastic than shown by previous studies using static models. Cigarettes produced for export appear to differ in their marginal cost of production from cigarettes produced for the sale in the U.S. market. © 1998 Elsevier Science B.V. All rights reserved.
The p-chain spectral sequence
Creators: name: Davis, James F.
name: Lueck, Wolfgang
Publisher: name: arXiv
Year: 2002
Subjects: subject: Algebraic Topology (math.AT)
subject: K-Theory and Homology (math.KT)
subject: FOS: Mathematics
subject: 55T99, 55N99, 19B28, 19D50, 19G24, 19K99, 57R67

description: We introduce a new spectral sequence called the p-chain spectral sequence which converges to the (co-)homology of a contravariant C-space with coefficients in a covariant C-spectrum for a small category C. It is different from the corresponding Atiyah-Hirzebruch type spectral sequence. It can be used in combination with the Isomorphism Conjectures of Baum-Connes and Farrell-Jones to compute algebraic K- and L-groups of group rings and topological K-groups of reduced group C*-algebras.
description: 36 pages
Resource degradation and adoption of land conservation technologies 1n the Ethiopian Highlands: A case study in Andit Tid, North Shewa
Creators: name: Shiferaw, Bekele
name: Holden, Stein T.
name: Shiferaw, Bekele
name: Holden, Stein T.
Publisher: name: Unknown
Year: 1998
Subjects: Land Economics/Use
Research and Development/Tech Change/Emerging Technologies
Resource /Energy Economics and Policy

description: This paper reports results from a study of resource degradation and conservation behavior of peasant households in a degraded part of the Ethiopian highlands. Peasant households' choice of conservation technologies is modeled as a two-stage process: recognition of the erosion problem, and adoption and level of use of control practices. An ordinal logit model is used to explain parcel-level perception of the threat of the erosion problem and the extent of use of conservation practices. Results show the importance of perception of the threat of soil erosion, household, land and farm characteristics; perception of technology-specific attributes, and land quality differentials in shaping conservation decisions of peasants. Furthermore, where poverty is widespread and appropriate support policies are lacking, results indicate that population pressure per se is unable to encourage sustainable land use. The challenge of breaking the poverty-environment trap and initiating sustainable intensification thus require policy incentives and technologies that confer short-term benefits to the poor while conserving the resource base. © 1998 Elsevier Science B.V. All rights reserved.
Inclusiveness of the Small-Holder Farmer Key Success Factors for Ethiopian Agribusiness Development
Creators: name: Steen, Marc
name: Maijers, Woody
name: Steen, Marc
name: Maijers, Woody
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Demand and Price Analysis
subject: Environmental Economics and Policy
subject: Farm Management
subject: Food Consumption/Nutrition/Food Safety
subject: Food Security and Poverty
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Productivity Analysis
subject: chain innovation
subject: entrepreneurship
subject: quality based payment
subject: trust building

description: This case uses an example of a progressive women farmer entrepreneur (Hiruth) operating a dairy business in Ethiopia and offers valuable lessons for businesses operating in Africa and elsewhere in the world. While on the market side, the demand for milk based products is on the rise in Ethiopia, the supply side poses several known challenges. Due to supply shortage of the right quality milk, most processing facilities operate at 50% to 60% of their capacity. In such an operating environment, Hiruth has managed to create and grow her business at a rapid pace. This case demonstrates how Hiruth managed to build her supply base loyalty by assuring purchase and quality based price premium and managed to build a fool-proof supply chain. By positioning herself as an orchestrator of the chain rather than just as a buyer has enabled her to build a robust chain and a growing business.
description: The IFAMR is published quarterly by the International Food and Agribusiness Management Association. For complete library visit: www.ifama.org
MOESM2 of Potentiometric sensor for iron (III) quantitative determination: experimental and computational approaches
Creators: name: Somayeh Badakhshan
name: Saeid Ahmadzadeh
name: Anoushiravan Mohseni-Bandpei
name: Aghasi, Majid
name: Basiri, Amir
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Molecular Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Hematology

description: Additional file 2. Charges of oxygen and iron atoms in the formed complex.
Die Bedürfnisse landwirtschaftlicher Akteure in der Grünlandbewirtschaftung in Deutschland: Ergebnisse einer qualitativen Befragung
Creators: name: Möck, Malte
name: Becker, Talea
name: Feindt, Peter H.
name: Möck, Malte
name: Becker, Talea
name: Feindt, Peter H.
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agricultural and Food Policy
subject: Research and Development / Technical Change / Emerging Technologies
subject: Grünland
subject: Bedürfnisse
subject: Akteure
subject: Experteninterview
subject: Gruppendiskussion

description: Dieser Beitrag stellt die Frage nach den Bedürfnissen von Landwirtinnen und Landwirten, die in Deutschland Grünland bewirtschaften. Diese Bedürfnisse werden als ein zentrales Element der Weltsicht derjenigen Akteure interpretiert, die eine Entscheidung über Aufgabe oder Fortführung sowie über die Art und Weise der Grünlandbewirtschaftung treffen. Obwohl sie das Handeln nicht erklären, verleihen sie diesem doch Sinn. So können Perspektiven auf die Gegenwart der Tätigkeiten im Grünland genauso eröffnet werden wie Einschätzungen zu ihrer innovativen Ausgestaltung in möglichen Zukunftsszenarien. Die Untersuchung stützt sich auf Experteninterviews und Gruppendiskussionen mit Praxisakteuren, die in der Weidehaltung von Rindern tätig sind. Die Ergebnisse der Befragung zeigen, dass sich die Bedürfnisse zur innerbetrieblichen Bewirtschaftung von solchen unterscheiden, die sich aus der Umwelt des Produktionssystems ergeben, darunter vor allem bürokratische Anforderungen. Hinsichtlich möglicher Innovationen für das Grünland können vor dem Hintergrund einer großen Offenheit für Wandel – auch technologischer Art – eine Perspektive der Kosten-Nutzen-Abwägung und eine Dominanz der Sorge um die Hütesicherheit aufgezeigt werden. Die Berücksichtigung dieser Bedürfnisse ist dabei nicht nur unverzichtbar für ein Verstehen der gegenwärtigen Entscheidungen über die Bewirtschaftung des Grünlandes, sondern zugleich ein essenzieller erster Baustein in einer gemeinsamen Ausgestaltung von Innovationen, die Grünlandwirtschaft in Zukunft erleichtern können.
Quantum Renyi relative entropies on a spin chain with interface defects
Creators: name: Arias, Raúl
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We compute the quantum Renyi relative entropies in an infinite spinless fermionic chain with a defect. Doing a numerical analysis we will show that the resulting quantity depends non trivially on the effective central charge of the theory. Moreover, we will see that an explicit analytic expression can be written for all of them and from that, one can read the quantum fidelity and the relative entropy.
description: 13 pages, 18 figures. References added
Resilient Architecture: Adaptive Community Living in Coastal Locations
Creators: name: Shannon, Erica
Publisher: name: University of Massachusetts Amherst
Year: 2018

description: How can architects design for coastal inundation caused by climate change, what are the methods and strategies currently being implemented as a response to coastal inundation, and how can these strategies influence the design approach for a self-sustaining community that can survive and thrive in a low-lying coastal area?
Climate change is caused by an expenditure of planet-harming resources being improperly or inefficiently utilized and consumed. This can lead to a rise of global sea level and an increased severity of storm surges.
Resilience is defined as the ability to overcome challenges and difficulties. Coastal resilience is the ability for a coastal community to independently withstand shocks caused by hazardous storms and coastal flooding, adapt to future occurrences, and rebuild when necessary. Incorporating resilient and adaptable design elements into architecture could help to create a more sustainable built environment that reacts more efficiently to challenges and difficulties that occur in the natural world.
The intent of this thesis is to design a coastal community-living development that serves as a case study for how communities in low-lying areas can be elevated in order to sustain fluctuating coastal conditions.
An ideal setting for the implementation of this thesis is Pleasure Beach Park, a low-lying barrier beach located on the coastline of Bridgeport, Connecticut. Through research and analysis of this location, this design responds to and includes essential programmatic elements deemed necessary for a community to exist in the area, as well as vital attributes that collectively form a resilient coastal community.
Governance of Decent Work in Ghana’s Cocoa Industry: Implications for Economic and Social Upgrading
Creators: name: Kissi, Evans
name: Herzig, Christian
name: Kissi, Evans
name: Herzig, Christian
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agribusiness
subject: Labor and Human Capital
subject: Global value chains
subject: Governance
subject: Economic and social upgrading
subject: Decent work
subject: Cocoa

description: This paper examines the factors that bring about the participation of smallholders in lead firm governance of labour-related practices. It also clarifies the conditions leading to smallholder decent work through economic and social upgrading. The study is based on qualitative primary data, collected from various key actors along Ghana’s cocoa value chains. Our findings show that lead firms govern decent work through vertical paths, horizontal paths and a combination of both paths. In addition, we found that smallholders’ participation in vertical, horizontal or both is influenced by incentives, cooperation and multi-stakeholder collaboration, respectively. Our study also reveals two types of economic upgrading—process upgrading and product upgrading—and clarifies the conditions through which economic and social upgrading are interlinked. Overall, our analysis shows that economic upgrading of smallholder cocoa farmers does not fully translate into social upgrading for the smallholders themselves and their farm workers. This is due to the cost of labour, weak labour monitoring, poor health training and education and the structural power of smallholder producers. We contribute to literature on key drivers for smallholder participation in various lead firm governance approaches—as well as on how global governance of value chains may simultaneously promote economic and social upgrading of smallholder producers and their farm workers. The study findings provide avenues for further research to enhance decent work in global value chains through economic and social upgrading.
Building a Better Livestock Market in Benin and a Safer, More Reliable Food Supply
Creators: name: Newman, Eric A.
name: Newman, Mark D.
name: Newman, Eric A.
name: Newman, Mark D.
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Demand and Price Analysis
subject: Farm Management
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Productivity Analysis
subject: Public Economics
subject: African agribusiness
subject: livestock marketing
subject: value chains
subject: regional trade
subject: private-public partnerships
subject: cooperatives
subject: producer self-managed livestock markets

description: The Nikki Regional Livestock Cooperative (UCOPER-Nikki) was concerned when Benin’s national government made local authorities responsible for livestock markets. They knew that improved markets and infrastructure were essential to their economic future and a reliable, safe livestock/meat supply for customers locally and in southern Benin, Nigeria and Togo. A cooperative managed market was proposed in partnership with local government. Three years later the market is a reality. Total sales in 2011-13 approached $10 million USD, and the market is more profitable for producers, with positive impacts along the value chain including feed and animal health, livestock trade and processing, retailers and consumers.
description: The IFAMR is published quarterly by the International Food and Agribusiness Management Association. For complete library visit: www.ifama.org
MOESM1 of Potentiometric sensor for iron (III) quantitative determination: experimental and computational approaches
Creators: name: Somayeh Badakhshan
name: Saeid Ahmadzadeh
name: Anoushiravan Mohseni-Bandpei
name: Aghasi, Majid
name: Basiri, Amir
Publisher: name: figshare
Year: 2019
Subjects: subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Additional file 1. The life time of the proposed iron (III) sensor.
MOESM1 of Synthetic control devices for gene regulation in Penicillium chrysogenum
Creators: name: Mózsik, László
name: Büttel, Zsófia
name: Bovenberg, Roel
name: Driessen, Arnold
name: Nygård, Yvonne
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Developmental Biology
subject: Computational Biology

description: Additional file 1. Additional tables and figures.
Biological Effects and Action Mechanisms of Dietary Compounds
Creators: name: Sukamtoh, Elvira
Publisher: name: University of Massachusetts Amherst
Year: 2018

description: The food that we consume contain many dietary compounds which are biologically active. In this thesis we will discuss the biological effects of dietary compounds and the mechanisms behind their activities.
First, we studied on the anti-metastatic effects of curcumin, a dietary compound derived from turmeric, through lymphangiogenesis inhibition. Curcumin inhibited vascular endothelial growth factor-C (VEGF-C)-induced lymphangiogenesis in vivo and in vitro. Curcumin inhibited lymphangiogenesis, in part through suppression of proliferation, cell cycle progression and migration of lymphatic endothelial cells. Curcumin inhibited expressions of VEGF receptors (VEGFR2 and VEGFR3), as well as down-stream signaling such as phosphorylation of ERK and FAK. Finally, curcumin sulfate and curcumin glucuronide, two major metabolites of curcumin in vivo, had little inhibitory effect on proliferation of HMVEC-dLy cells. Our results demonstrate that curcumin inhibits lymphangiogenesis in vitro and in vivo, which could contribute to the anti-metastatic effects of curcumin.
Next, we investigated the mechanisms underlying the cytotoxic activity of tert-butylhydroquinone (TBHQ), a widely used synthetic food antioxidant. Here we found that the biological effects of TBHQ are mainly mediated by its oxidative conversion to a quinone metabolite tert-butylquinone (TBQ). Co-addition of cupric ion (Cu2+) enhanced, whereas ethylenediaminetetraacetic acid (EDTA) suppressed the oxidative conversion of TBHQ to TBQ, and the biological activities of TBHQ in MC38 colon cancer cells. Finally, a structure and activity relationship study was done and together, these results suggest that the biological activities of TBHQ and other para-hydroquinones are mainly mediated by their oxidative metabolism to generate more biologically active quinone metabolites.
Agroecology as an ontology to guide agricultural and food systems?
Creators: name: Domptail, Stephanie
name: Hirsch, Jennifer
name: Ume, Chukwuma
name: Domptail, Stephanie
name: Hirsch, Jennifer
name: Ume, Chukwuma
Publisher: name: Unknown
Year: 2021
Subjects: subject: Food Consumption / Nutrition / Food Safety
subject: Food Security and Poverty
subject: Environmental Economics and Policy
subject: Feminist Economics
subject: Power Relations
subject: Reproduction
subject: FOS: Medical biotechnology
subject: Socio-Ecological Systems
subject: Worldviews

description: Current agriculture and food systems worldwide are facing major sustainability challenges, which jeopardize the ability of future generations to live a good life: soil fertility and biodiversity loss, climate change, malnutrition and inequalities. These problems are, in part, related to how agricultural and food systems have developed. The IPES 2016 report on food systems calls for a shift from low input traditional and industrial agricultural systems to diversified agroecological systems. We claim that this shift requires more than a change in practice. Rather it implies a redefinition of the conception of agricultural and food systems and their evaluation. The talk discusses those facets of agricultural and food systems which can gain visibility though a reading of agroecology from the ecological and feminist economics perspective. For instance, the analysis of the worldview of agroecological farmers in Germany reveals the role of reproductive and egalitarian principles and values in designing the farming systems and of community-supported agricultural schemes. Politically, these principles can be interpreted a struggle to maintain sovereignty and act upon own values. We finally reflect on what it implies for food security that agroecological systems nurture their reproductive capacity. The rise of agroecology raises questions about the values that shape agricultural and food systems and engenders a “new” target: the reproduction capacity of our societies.
From Economic Vulnerability to Sustainable Livelihoods: The Case of the Oromia Coffee Farmers Cooperatives Union (OCFCU) in Ethiopia
Creators: name: Meskela, Tadess
name: Teshome, Yalem
name: Meskela, Tadess
name: Teshome, Yalem
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Crop Production/Industries
subject: Food Security and Poverty
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Ethiopia coffee farmers co-operatives
subject: specialty coffee market

description: As the fast growing agribusiness cooperative in Ethiopia, Oromia Coffee Farmers Cooperative Union, OCFCU was established in 1999 by 34 cooperatives with $90,000 USD in capital. Today, OCFCU has 240 cooperatives and capital exceeding $12,000,000 USD. Well known in the specialty coffee market, OCFCU works with growers across Ethiopia influencing communities economically and socially. Using the GLIMPSE perspective, we investigate the raw-bean procurement, transportation, quality control, and economies realized through coordination, on-going initiatives to capture value-added in processing, and associated challenges in the East African context of small-holder farmers, credit and infrastructure constraints.
description: The IFAMR is published quarterly by the International Food and Agribusiness Management Association. For complete library visit: www.ifama.org
Anomalous anomalies from virtual black holes
Creators: name: Bramante, Joseph
name: Gould, Elizabeth
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate gravitational UV/IR mixing models that predict a breakdown of low energy effective field theory, from loop-level, non-local gravitational corrections to particle processes. We determine how the choice of IR cutoff in these theories alters predictions for lepton magnetic moments. Using Brookhaven E821 muon magnetic moment data, we exclude models of UV/IR mixing with an IR cutoff set by a spherical volume enclosing the experiment. On the other hand, an IR cutoff defined by the simply-connected spatial volume containing the trajectories of the muons, implies a correction to the muon magnetic moment which may have already been observed.
description: 8 pages, no figures, references added to PRD version
Agribusiness Model in Africa: A Case Study of Zambeef Products PLC
Creators: name: Almas, Lal K.
name: Obembe, Oladipo
name: Almas, Lal K.
name: Obembe, Oladipo
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Demand and Price Analysis
subject: Farm Management
subject: Food Consumption/Nutrition/Food Safety
subject: International Development
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Livestock Production/Industries
subject: Zambeef
subject: agribusiness model
subject: vertical integration
subject: production efficiency

description: Zambeef is one of the largest integrated agribusinesses in Zambia with operations in other West African countries and annual gross revenues of approximately $255 million USD. Its group strategy is to increase efficiency and capacity in primary production and expand the retail and wholesale distribution channels to ultimately increase market share. Zambeef’s success lies in the vertical integration of its activities from primary production to the end user through extensive retail networks. The company’s vertical business model has made the group prominent and it is one of the few African companies listed on the Alternative Investment Market of the London Stock Exchange.
description: The IFAMR is published quarterly by the International Food and Agribusiness Management Association. For complete library visit: www.ifama.org
Building Professional Capacity in the Livestock Industry Through ITC in East Africa
Creators: name: Beal, Tricia
name: Braga, Francesco S.
name: Thiam, Bayella
name: Beal, Tricia
name: Braga, Francesco S.
name: Thiam, Bayella
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Farm Management
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Marketing
subject: FOS: Economics and business
subject: Productivity Analysis
subject: African agribusiness
subject: Triple Bottomline
subject: NENO ICT
subject: capacity building
subject: feed industry

description: Novus International is committed to supporting animal agriculture in Africa with a multi-step strategy: the delivery of reliable nutritional solutions, attending to the needs of small farmers, and providing technical instruction and educational opportunities. NENO Information Communication Technology (ICT) was first introduced into East Africa in 2012 to enable mobile phone communications with customers for the purpose of training and awareness. Farmers using NENO get knowledge and advice in practical, user-friendly ways that are accessible to them at all times. After a successful pilot project launch in East Africa, Novus plans to extend the pilot to Nigeria
description: The IFAMR is published quarterly by the International Food and Agribusiness Management Association. For complete library visit: www.ifama.org
Pion and kaon role in $τ$ decays, g_μ-2, the running of $α_{QED}$ and the muonium hyperfine splitting
Creators: name: Palomar, J. E.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We make use of recent accurate results obtained for the pion and kaon vector form factors within a chiral unitary approach in order to calculate the decay widths of the $τ$ lepton to these mesons and also to evaluate the contribution of this two mesons to the anomalous magnetic moment of the muon, the running of the fine structure constant and the muonium hyperfine splitting.
description: 15 pages, 4 figures
AN EVALUATION OF SDN AND NFV SUPPORT FOR PARALLEL, ALTERNATIVE PROTOCOL STACK OPERATIONS IN FUTURE INTERNETS
Creators: name: Suresh, Bhushan
Publisher: name: University of Massachusetts Amherst
Year: 2018

description: Virtualization on top of high-performance servers has enabled the virtualization of network functions like caching, deep packet inspection, etc. Such Network Function Virtualization (NFV) is used to dynamically adapt to changes in network traffic and application popularity. We demonstrate how the combination of Software Defined Networking (SDN) and NFV can support the parallel operation of different Internet architectures on top of the same physical hardware. We introduce our architecture for this approach in an actual test setup, using CloudLab resources. We start of our evaluation in a small setup where we evaluate the feasibility of the SDN and NFV architecture and incrementally increase the complexity of the setup to run a live video streaming application. We use two vastly different protocol stacks, namely TCP/IP and NDN to demonstrate the capability of our approach. The evaluation of our approach shows that it introduces a new level of flexibility when it comes to operation of different Internet architectures on top of the same physical network and with this flexibility provides the ability to switch between the two protocol stacks depending on the application.
Erfolgsfaktoren und Zukunftsaussichten für eine wirtschaftliche Biogasproduktion in Deutschland - Ergebnisse einer qualitativen Inhaltsanalyse
Creators: name: Mohrmann, Sören
name: Steins, Aaron
name: Schaper, Christian
name: Mohrmann, Sören
name: Steins, Aaron
name: Schaper, Christian
Publisher: name: Unknown
Year: 2021
Subjects: subject: Farm Management
subject: Production Economics
subject: Resource /Energy economics and Policy
subject: Erfolgsfaktoren
subject: qualitative Inhaltsanalyse
subject: Biogas
subject: erneuerbare Energien
subject: EEG

description: Die Biogasproduktion hat nach Photovoltaik und Windenergie die höchste Bedeutung unter den erneuerbaren Energien in Deutschland. Vor allem in den letzten zwei Jahrzehnten hat sich die Biogaserzeugung seit der Einführung des Erneuerbaren-Energien-Gesetzes (EEG) kontinuierlich weiterentwickelt und stellt heute für viele landwirtschaftliche Betriebe eine wichtige Einkommensquelle dar. Vor dem Hintergrund, dass die ersten Biogasanlagen aus der 20-jährigen EEG-Förderung im Jahr 2021 auslaufen, stellt sich die Frage, welche Zukunftsaussichten für die Branche insgesamt bestehen und welche Erfolgsfaktoren für eine wirtschaftliche Biogasproduktion in Deutschland maßgeblich sind. Mithilfe der qualitativen Inhaltsanalyse nach MAYRING (2015) wurden 13 Experteninterviews mit verschiedenen Stakeholdern entlang der Wertschöpfungskette Biogas ausgewertet und die Einschätzungen der Experten in ein Kategoriensystem eingeordnet. Im Abgleich der Expertenaussagen mit der wissenschaftlichen Literatur werden das EEG, die flankierenden rechtlichen Rahmenbedingungen, die Erlöse (insbes. Zusatzerlöse), die Betriebs- und Kapitalkosten sowie das Management der Biogasanlage als Erfolgsfaktoren identifiziert. Als indirekte Erfolgsfaktoren auf die Wirtschaftlichkeit der Biogaserzeugung werden das gesamtpolitische Umfeld und die gesellschaftliche Akzeptanz wahrgenommen.
Correlated magnetic noise from anisotropic lightning sources and the detection of stochastic gravitational waves
Creators: name: Himemoto, Yoshiaki
name: Taruya, Atsushi
Publisher: name: arXiv
Year: 2019
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Direct detection of gravitational waves (GWs) from compact binary systems suggests that the merger rate of such events is large, and the sum of their GWs can be viewed as stochastic signals. Because of its random nature, cross-correlating the signals from multiple detectors is essential to disentangle the GWs from instrumental noise. However, the global magnetic fields in the Earth-ionosphere cavity produce the environmental disturbances at low-frequency bands, known as Schumann resonances, and coupled with GW detectors, they potentially contaminate the stochastic GW signal as a correlated noise. Previously, we have presented a simple analytical model to estimate its impact on the detection of stochastic GWs. Here, extending the analysis to further take account of the effects of anisotropic lightning source distributions, we present a comprehensive study of the impact of correlated magnetic noise at low-frequency bands, including non-tensor-type GWs, as well as circularly polarized tensor-type GWs. We find that as opposed to a naive expectation, the impact of correlated magnetic noise does not always increase with anisotropies in the lighting source distribution. Even in the presence of large anisotropies, there is a robust detector pair for which the amplitude of correlated magnetic noise becomes comparable to or well below detectable amplitude of stochastic GWs. The results indicate that the properties of the correlated magnetic noise depend crucially on both the geometrical and geographical setup of the detector's pair, and Virgo and KAGRA would be potentially the most insensitive detector pair against the correlated magnetic for both tensor- and non-tensor-type stochastic GWs.
description: 16 pages, 9 figures, updated to match version published in PRD
Perturbative Matching of the staggered four-fermion operators for e'/e
Creators: name: Lee, Weonjong
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Using staggered fermions, we calculate the perturbative corrections to the bilinear and four-fermion operators that are used in the numerical study of weak matrix elements for $ε'/ε$. We present results for one-loop matching coefficients between continuum operators, calculated in the Naive Dimensional Regularization (NDR) scheme, and gauge invariant staggered fermion operators. These results, combined with existing results for penguin diagrams, provide the complete one-loop renormalization of the staggered four-fermion operators.
description: 36 pages. will appear in physical review D
Disaggregating consumer demands for organic and genetically modified foods using the Choice Modelling technique
Creators: name: Donaghy, Peter
name: Rolfe, John
name: Bennett, Jeffrey W.
name: Donaghy, Peter
name: Rolfe, John
name: Bennett, Jeffrey W.
Publisher: name: Unknown
Year: 2002
Subjects: subject: Consumer/Household Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Genetically modified
subject: organic
subject: demand
subject: choice modelling

description: Issues concerning consumer demands for genetically modified and organic food remain highly topical in Australia. It is unclear how consumers perceive issues associated with food production such as food safety, environmental impacts or animal welfare. It is also unclear how consumers might value potential changes in those issues. This paper reports on research using the choice modelling technique to estimate and compare consumer demand for genetically modified and organic foods. The case study considers commodities including tomatoes, milk and beef. The results provide some indication of the contribution of associated factors with consumer choices, as well as exploring consumer values for higher food safety standards. The results are of relevance to the current policy debate regarding the introduction of GM foods to Australia.
Post-Exzeptionalismus statt Transformation? Die Legislativvorschläge und ihre nationale Umsetzung im Lichte einer Expertenbefragung zur Ausgestaltung der GAP nach 2022
Creators: name: Grohmann, Pascal
name: Feindt, Peter H.
name: Krämer, Christine
name: Häger, Astrid
name: Grohmann, Pascal
name: Feindt, Peter H.
name: Krämer, Christine
name: Häger, Astrid
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agricultural and Food Policy
subject: Agrarpolitik
subject: GAP nach 2022
subject: Agrarexzeptionalismus
subject: Post-Exzeptionalismus
subject: Politikwandel

description: Die Agrarpolitik galt lange als Extremfall eines exzeptionalistischen Politikfelds, in dem auf Basis sektorspezifischer Policy-Ideen ein privilegierter Zugang von Produzenteninteressen institutionell abgesichert und die Etablierung sektorspezifischer Policy-Instrumente ermöglicht wurden. Die erheblichen Veränderungen der GAP seit 1992 lassen sich als partielle Transformation hin zu einem post-exzeptionalistischen Politik-Arrangement verstehen, das alte und neue Ideen, Interessen und Instrumente in einem pfadabhängigen Umfeld verbindet und eine marktliberale ‚Normalisierung‘ abwehrt. Der vorliegende Beitrag analysiert, in welche Richtung sich die GAP nach 2022 bewegt. Dazu werden die Legislativvorschläge und der Prozess ihrer nationalen Umsetzung in Deutschland bis zum Sommer 2021 analysiert und mittels einer telefonischen Befragung unter 153 agrarpolitischen Fachleuten die Positionen der agrarpolitisch maßgeblichen Gruppen in Deutschland zu einer exzeptionalistischen, post-exzeptionalistischen oder ‚normalisierten‘ Agrarpolitik erhoben. Die Untersuchung zeigt, dass sich für die GAP nach 2022 eine erneute Erweiterung des ideellen Rahmens, des institutionellen Zugangs für nicht-agrarische Akteure, eine komplexere Konstellation von Interessengruppen sowie neue Instrumente abzeichnen, die alte sektorale Einkommensinteressen mit neuen gesellschaftlichen Anliegen verknüpfen. Die Positionierungen der agrarpolitischen Gruppen in Deutschland zeigt eine überwiegende Zustimmung für die Fortsetzung des post-exzeptionalistischen Entwicklungspfads, während eine Rückkehr zum alten Agrarexzeptionalismus oder eine marktliberale ‚Normalisierung‘ weitgehend skeptisch beurteilt werden.
Adoption of herbicide resistance management practices by Australian grain growers
Creators: name: Llewellyn, Rick S.
name: Lindner, Robert K.
name: Pannell, David J.
name: Powles, Stephen B.
name: Llewellyn, Rick S.
name: Lindner, Robert K.
name: Pannell, David J.
name: Powles, Stephen B.
Publisher: name: Unknown
Year: 2002
Subjects: Agribusiness
Crop Production/Industries
Farm Management

description: Extension programs in Australia are encouraging farmers to adopt integrated weed management (IWM) practices, in order to delay the development of herbicide resistance in weeds infesting cropping land. Logistic and Tobit regression models were developed and used to analyse, survey data from Western Australian grain growers. Factors shown to influence IWM adoption included perceptions of IWM practices and expectations about the future of the herbicide resource. The results were consistent with the prior that farmers regard IWM as an information-intensive package of techniques, and that extension may have the potential to increase the rate of adoption.
AMS-02 beryllium data and its implication for cosmic ray transport
Creators: name: Evoli, Carmelo
name: Morlino, Giovanni
name: Blasi, Pasquale
name: Aloisio, Roberto
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The flux of unstable secondary cosmic ray nuclei, produced by spallation processes in the interstellar medium, can be used to constrain the residence time of cosmic rays inside the Galaxy. Among them, $^{10}$Be is especially useful because of its relatively long half-life of 1.39 Myr. In the framework of the diffusive halo model we describe cosmic ray transport taking into account all relevant interaction channels and accounting for the decay of unstable secondary nuclei. We then compare our results with the data collected by the Alpha Magnetic Spectrometer (AMS-02) on board the International Space Station for the flux ratios Be/C, B/C, Be/O, B/O, C/O and Be/B as well as C, N and O absolute fluxes. These measurements, and especially the Be/B ratio, allow us to single out the flux of $^{10}$Be and infer a best fit propagation time of CRs in the Galaxy. Our results show that, if the cross sections for the production of secondary elements through spallation are taken at face value, AMS-02 measurements are compatible with the standard picture based on CR diffusion in a halo of size $H \gtrsim 5$ kpc. Taking into account the uncertainties in the cross sections, this conclusion becomes less reliable, although still compatible with the standard picture. Implications of our findings for alternative models of CR transport are discussed.
description: 11 pages, 6 figures. Accepted for publication on Physical Review D
Farmers’ willingness to pay for digital and conventional credit: Evidence from a discrete choice experiment in Madagascar
Creators: name: Sarfo, Yaw
name: Musshoff, Oliver
name: Weber, Ron
name: Danne, Michael
name: Sarfo, Yaw
name: Musshoff, Oliver
name: Weber, Ron
name: Danne, Michael
Publisher: name: Unknown
Year: 2021
Subjects: subject: Farm Management
subject: Conventional credit
subject: Digital credit
subject: Discrete choice experiment
subject: Smallholder farmers

description: In recent decades, microfinance institutions (MFIs) with financial products designed for low income groups have been established all over the world. However, credit access for farmers in developing countries remains low. Digital financial services are rapidly expanding globally at the moment. They also bear great potential to address farmers in remote rural areas. Beyond mobile money services, digital credit is successively offered and also discussed in literature. Compared to conventional credit which is granted based on a thorough assessment of the loan applicant’s financial situation, digital credit is granted based on an automated analysis of the existing data of the loan applicant. However, empirical research on farmers’ preferences and willingness to pay (WTP) for digital credit is non-existent. We employ a discrete choice experiment (DCE) to compare farmers’ WTP for digital and conventional credit. Our results indicate a higher WTP for digital credit compared to conventional credit. Furthermore, we find that longer loan duration has a higher effect on farmers’ WTP for digital credit compared to conventional credit. Additionally, our results show that instalment repayment condition reduces farmers’ WTP for digital credit whilst increasing their WTP for conventional credit. Our results show the potential of digital credit for agricultural finance in rural areas of Madagascar if a certain level of innovation is applied in designing digital credit products.
Le farfalle (Lepidotteri ropaloceri) delle Valli di Lanzo e dei rilievi limitrofi (Provincia di Torino, Piemonte)
Creators: name: Sindaco, Roberto
name: Rossi, Roberta
name: Bergamo, Alessandro
name: Rebecchi, Annalisa
name: Baussano, Tullio
name: Bonifacino, Marco
Publisher: name: figshare
Year: 2021
Subjects: subject: Zoology
subject: FOS: Biological sciences

description: The butterflies of the Valli di Lanzo are poorly known, with less than 40 species documented by the literature, even though the Valli di Lanzo are located near Turin and are a traditional destination for summer vacation and excursionism in the Alps. The present study is aimed to fill such a gap in knowledge. The authors carried out qualitative surveys in several localities of the Valli di Lanzo in the years 2019 and 2020, and they found 131 species of butterflies, as well as 13 additional species in the adjoining Prealpine mountains. The species richness of the community is quite high when compared to other Alpine areas and other parts of Piedmont. More than one third of the recorded species is very localized (1-3 localities of occurrence). This is true especially for the typical high-alpine species. The occurrence of 9 species of community interest and several others of conservation concern has been detected in the study area.