cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Baryon Number Violating Scalar Diquarks at the LHC
Creators: name: Baldes, Iason
name: Bell, Nicole F.
name: Volkas, Raymond R.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Baryon number violating (BNV) processes are heavily constrained by experiments searching for nucleon decay and neutron-antineutron oscillations. If the baryon number violation occurs via the third generation quarks, however, we may be able to avoid the nucleon stability constraints, thus making such BNV interactions accessible at the LHC. In this paper we study a specific class of BNV extensions of the standard model (SM) involving diquark and leptoquark scalars. After an introduction to these models we study one promising extension in detail, being interested in particles with mass of O(TeV). We calculate limits on the masses and couplings from neutron-antineutron oscillations and dineutron decay for couplings to first and third generation quarks. We explore the possible consequences of such a model on the matter-antimatter asymmetry. We shall see that for models which break the global baryon minus lepton number symmetry, (B-L), the most stringent constraints come from the need to preserve a matter-antimatter asymmetry. That is, the BNV interaction cannot be introduced if it would remove the matter-antimatter asymmetry independent of baryogenesis mechanism and temperature. Finally, we examine the phenomenology of such models at colliders such as the LHC.
description: 10 pages, 9 figures. v2: references added, some typos corrected. v3: some small corrections to match published version, no change in conclusions
Are returns to research quality lower in agricultural economics than in economics?
Creators: name: Gibson, John
name: Burton-McKenzie, Ethan
name: Gibson, John
name: Burton-McKenzie, Ethan
Publisher: name: Unknown
Year: 2017
Subjects: subject: Research Methods/ Statistical Methods
subject: academic salary
subject: citations
subject: journal rankings
subject: research quality

description: We compare effects of research quality and quantity on the salary of academics in agricultural economics and economics departments of the same universities. Agricultural economists get a significantly lower payoff to research quality, whether measured by quality-weighted journal articles (based on nine different weighting schemes) or by citations. Instead, salary depends on the quantity of journal articles, while article counts have no independent effect on economist salaries. These differences in the reward structure for research are not due to either the extension focus of agricultural economists or to disciplinary differences in publishing with students and instead may reflect institutional factors that govern incentives within universities. One-third of academics in the agricultural economics departments studied here have doctoral training in economics; the very different disciplinary reward structures may cause frustration for these faculty due to the muted returns to research quality that agricultural economics departments seem to offer.
Dependence of carrier doping on the impurity potential in transition-metal-substituted FeAs-based superconductors
Creators: name: Ideta, S.
name: Yoshida, T.
name: Nishi, I.
name: Fujimori, A.
name: Kotani, Y.
name: Ono, K.
name: Nakashima, Y.
name: Yamaichi, S.
name: Sasagawa, T.
name: Nakajima, M.
name: Kihou, K.
name: Tomioka, Y.
name: Lee, C. H.
name: Iyo, A.
name: Eisaki, H.
name: Ito, T.
name: Uchida, S.
name: Arita, R.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: In order to examine to what extent the rigid-band-like electron doping scenario is applicable to the transition metal-substituted Fe-based superconductors, we have performed angle-resolved photoemission spectroscopy studies of Ba(Fe$_{1-x}$Ni$_{x}$)$_2$As$_2$ (Ni-122) and Ba(Fe$_{1-x}$Cu$_{x}$)$_2$As$_2$ (Cu-122), and compared the results with Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ (Co-122). We find that Ni 3$\it{d}$-derived features are formed below the Fe 3$\it{d}$ band and that Cu 3$\it{d}$-derived ones further below it. The electron and hole Fermi surface (FS) volumes are found to increase and decrease with substitution, respectively, qualitatively consistent with the rigid-band model. However, the total extra electron number estimated from the FS volumes (the total electron FS volume minus the total hole FS volume) is found to decrease in going from Co-, Ni-, to Cu-122 for a fixed nominal extra electron number, that is, the number of electrons that participate in the formation of FS decreases with increasing impurity potential. We find that the N$\acute{\rm{e}}$el temperature $T_{\rm{N}}$ and the critical temperature $T_{\it{c}}$ maximum are determined by the FS volumes rather than the nominal extra electron concentration nor the substituted atom concentration.
description: Total: 9 pages, 10 figures
The impact of drought and water scarcity on irrigator farm exit intentions in the Murray– Darling Basin
Creators: name: Wheeler, Sarah Ann
name: Zuo, Alec
name: Wheeler, Sarah Ann
name: Zuo, Alec
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agricultural and Food Policy
subject: ABARES farm survey
subject: farmers
subject: water allocations

description: Drought and future water scarcity in the Murray–Darling Basin (MDB) will continue to restructure the irrigation industry in the coming decades. There has been little work conducted in Australia that has modelled farm exit or exit intention. ABARES farm survey data were used to model irrigators’ farm exit intentions across the southern MDB from 2006 to 2013. In particular, we examined the hypotheses that drought and water scarcity positively impacted on farm exit intentions and that it is the poorest performing farms that intend to exit in times of drought. Results revealed that water scarcity impacts varied considerably. There was only weak evidence to suggest that irrigators’ exit intentions were higher in times of drought, but there was stronger evidence to support the influence of a lagged water scarcity impact on farm exit intentions during periods of nondrought (e.g. intending to exit at times when the property market was less depressed). There was also strong evidence that poorer performing farms (measured by rates of return and higher debt over a certain level) were more likely to have exit intentions in drought periods, but not necessarily so in nondrought periods. Older age is the most consistent predictor of farm exit intentions across all industries, though it was most significant in drought periods.
Die Harzer Eisenhütte unterm Mägdesprung - ein Beitrag zum Kunstguss im Nordharz
Creators: name: Reichmann, Matthias
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2001
Subjects: Elektronische Publikation
Hochschulschrift
Zsfassung in engl. Sprache

description: Die Arbeit stellt die ehemalige anhaltische Eisenhütte Mägdesprung vor und behandelt den dort produzierten Kunstguss vom 2. Drittel des 19. Jahrhunderts bis zum Anfang des 20. Jahrhunderts. Von den Anfängen des Kunstgusses in der Nachfolge der Königlich Preußischen Gießereien, von Nachgüssen vergangener Kunstepochen über Arbeiten bekannter Künstler, wie Antonio Canova, Bertel Thorvaldsen, Ernst Ritschel, Karl Friedrich Schinkel, Christian Friedrich Tieck u. a. bis zu den Modelleuren der Eisenhütte, Johann Heinrich Kureck 1821 - 1889), Wilhelm Elster sen. (1840 - 1912) und Wilhelm Elster jun. (1869 - 1916) werden Kunstguss-Exponate aus der Sammlung Horn-Mägdesprung im Museum Burg & Schloss Allstedt vorgestellt. Im Abbildungsteil wird ein Überblick von den künstlerischen Arbeiten bis zu den Gebrauchsgegenständen aus der Kunstguss-Produktion gegeben mit kurzer Beschreibung und möglicher Querverbindung zu Arbeiten anderer Hütten, vor allem der Eisenfaktorei Ilsenburg. Neben den Kunstguss-Arbeiten, von den klassizistisch schlichten über den Historismus zum Jugendstil, wird weiter auch die Entwicklung der Eisenhütte von ihrer Gründung 1646 bis zum Ende des 20. Jahrhunderts dargestellt, verbunden mit dem Werdegang des Ortes. Dazu sind territoriale Karten und eine zum Bergbau, sowie Grundrisse von Gebäuden der Hütte und der Kirche angefügt.
description: This thesis is an introduction to the former Anhaltian ironworks of Mägdesprung. It covers art iron casting from the 1860's to the begining of the 20-th century. It presents exhibits from the Horn-Mägdesprung collection of Allstedt castle, including early art cats following the tradition of the Royal Prussian Foundries, copies of items from past art epoches, and pieces by well-known artists like Antonio Canova, Bertel Thorvaldsen, Ernst Ritschel, Karl Friedrich Schinkel, Christian Friedrich Tieck et al., among them the ironworks sculptors Johann Heinrich Kureck 1821-1889), Wilhelm Elster 1840-1912) and Wilhelm Elster junior 1869-1916). The illustration section gives a survey of iron casting production, ranging from pieces of artistic work to articles for everyday use, including short descriptions and possible links to products of other iron works, especially the Eisenfaktorei Ilsenburg. The thesis lists iron cast pieces ranging from classical plain ones via historicist ones to Art Nouveau. It describes the development of the ironworks from its foundation in 1646 to the end of the 20-th century, drawing connections to the history of the village. For that, regional maps and a map showing the mines as well as plans of the iron works buildings and the church are attached.
20 Gb/s electroabsorption modulator drivers based on 0.2 um GaAs PHEMT
Creators: name: Demange, D.
name: Billard, M.
name: Lefevre, R.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 1996
Subjects: ING-INF/01 Elettronica

description: Electroabsorption modulator drivers using 0.2 um gate length Pseudornorphic High Electron Mobility Transistors (PHEMT) for operation up to 20 Gb/s are presented. Both differential-pair based amplifiers and distributed amplifiers have been implemented and compared in terms of performances, power consumption, design, adaptability and adequation to the specific function to realize. It is shown that, in any case, an adaptation of the classical structure is necessary to get simultaneously the expected bit rate (20 Gb/s), drive voltage swing (2 Vp-p), and voltage gain (at least 10 dB).
Closed benchmarks for network community structure characterization
Creators: name: Aldecoa, Rodrigo
name: Marín, Ignacio
Publisher: name: arXiv
Year: 2012
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Social and Information Networks (cs.SI)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Characterizing the community structure of complex networks is a key challenge in many scientific fields. Very diverse algorithms and methods have been proposed to this end, many working reasonably well in specific situations. However, no consensus has emerged on which of these methods is the best to use in practice. In part, this is due to the fact that testing their performance requires the generation of a comprehensive, standard set of synthetic benchmarks, a goal not yet fully achieved. Here, we present a type of benchmark that we call "closed", in which an initial network of known community structure is progressively converted into a second network whose communities are also known. This approach differs from all previously published ones, in which networks evolve toward randomness. The use of this type of benchmark allows us to monitor the transformation of the community structure of a network. Moreover, we can predict the optimal behavior of the variation of information, a measure of the quality of the partitions obtained, at any moment of the process. This enables us in many cases to determine the best partition among those suggested by different algorithms. Also, since any network can be used as a starting point, extensive studies and comparisons can be performed using a heterogeneous set of structures, including random ones. These properties make our benchmarks a general standard for comparing community detection algorithms.
description: 18 pages, 5 figures. Available at http://pre.aps.org/abstract/PRE/v85/i2/e026109
Hybrid integration of laser diode chips on a glass substrate
Creators: name: Cabon, B.
name: Hilt, A.
name: Vilcot, A.
name: Czotscher, K.
name: Weisser, S.
name: Berceli, T.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 1996
Subjects: ING-INF/01 Elettronica

description: An important task in optoelectronics is to realize optoelectronic transceivers in which a laser diode chip is hybrid integrated with an optical integrated circuit (OIC). In the paper, hybrid integration of Multi-Quantum Well (MQW) laser diodes with some integrated waveguide structures on glass substrate is presented. Coupling efficiency and overall performances are evaluated. Some remaining difficulties are discussed.
2D microtubules stained with Alexa647 part 3
Creators: name: Leterrier, Christophe
Publisher: name: Zenodo
Year: 2021
Subjects: shareloc.xyz
shareloc.xyz:dataset
storm
microtubules
alexa-647
2d
smlm

description: Open in Shareloc.XYZ

description: STORM images of microtubules with widefield images, immuno-labeled with Alexa 647. (Uploaded via https://shareloc.xyz)
MMIC GaAs transimpedance amplifiers for optoelectronic applications
Creators: name: Dueme, Ph.
name: Nicole, P.
name: Schaller, M.
name: Bois, J.R.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 1996
Subjects: ING-INF/01 Elettronica

description: This paper demonstrates the feasibility of MMIC transimpedance amplifiers able to improve the global performances of an optical link in terms of gain, dynamic range and noise, over a typical 1 to 20 GHz frequency range. Two MMICs, a distributed amplifier and a photodiode follower using the Bootstrap technique, provide an active matching between 50 Ohm and both high impedance of a photodiode and low impedance of a laser. After a single foundry run, the on-chip measurements show a good agreement with the simulation and the first measurements in association with optoelectronic devices are successful.
Animal traffic : making, remaking and unmaking commodities in global live wildlife trade
Creators: name: Collard, Rosemary-Claire Magdeleine Solange
Publisher: name: University of British Columbia
Year: 2013

description: Against mass species loss and escalating concern over declining biodiversity, legal and illegal trade in wildlife is booming. Annually, it generates tens of billions of dollars and involves the circulation of billions of live and dead animals worldwide. This dissertation examines one dimension of this economy: flows of live, wild-caught animals – namely exotic pets – into North America. My central questions are: how are wild animals’ lives and bodies transformed into commodities that circulate worldwide and can be bought and owned? How are these commodities remade and even unmade? In answering these questions the dissertation is concerned not only with embodied practices, but also with broader, dominant assumptions about particular figures of the human and the animal, and the relations between them. This dissertation draws on reading across economic geography and sociology, political economy and ecology, and political theory to construct a theoretical approach with three strands: a commodity chain framework, a theory of performativity, and an anti-speciesist position. It weaves this theoretical grounding through multi-sited research carried out from 2010-2013, including participant- and spectator-observation, interviews, and film and photography. In this research, to retain a focus on animals I inserted myself in multispecies contact zones. Specifically, I traced three nodes in global live wildlife trade’s circuits: commodification of animals through capture in biosphere reserves in Mexico, Guatemala and Belize; recommodification (re-legitimation of the animals’ status as commodities) through exchange at exotic animal auctions across the US; and attempted decommodification through rehabilitation at a wildlife centre in Guatemala. This research suggests that commodification and decommodification are not processes of “denaturing” and “renaturing”, respectively. Rather, they are both productions of particular natures. Commodification produces an encounterable, individual and controllable animal life. Decommodification seeks to do the opposite. Ultimately, I argue that all of these global live wildlife trade processes depend on and perform, or bring into being, a human/animal dualism that positions the human figure as a master subject and the animal as a subordinate object. This dissertation thus amounts to a critique of the exotic pet commodity form.
Organizational choices as drivers of work intensity
Creators: name: Zamarian, Marco
name: Maggi, Bruno
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2010
Subjects: M-PSI/06 Psicologia del lavoro e delle organizzazioni
SECS-P/08 Economia e gestione delle imprese
SECS-P/10 Organizzazione aziendale
SPS/09 Sociologia dei processi economici e del lavoro

description: In this paper we offer some new insights into the interpretation of the relationship between the introduction of Information Technology devices and their effects on working time. Prevailing theories suggest a mechanistic link between technology adoption and its effects on work, both in terms of quantity and quality. In contrast, we claim that technology adoption is a means to implement organizational choices regarding both the technical and the social structure of tasks. Drawing our evidence from a case study describing the introduction of a new ERP system in a car rental company, we show how these organizational changes affect the pace of work activities, the balance between working and leisure time and the balance between production and learning time.
Trichoschiza Moser 1917
Creators: name: Allsopp, Peter G.
name: Schoolmeesters, Paul
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Trichoschiza

description: Trichoschiza Moser, 1917
[1 species].
Type species Trichoschiza gracilipes Moser, 1917, by subsequent designation in this paper.
description: Published as part of Allsopp, Peter G. & Schoolmeesters, Paul, 2024, All genera of the world: Subfamilies Prototroginae, Cretoscarabaeinae, Dynamopodinae, Electrorubesopsinae, Phaenomeridinae, Orphninae, Allidiostomatinae, Aclopinae, Lichniinae, Melolonthinae, Oncerinae, Podolasiinae, Sericinae, Sericoidinae (Animalia: Arthropoda: Insecta: Coleoptera: Scarabaeidae), pp. 104-175 in Megataxa 12 (1) on page 134, DOI: 10.11646/megataxa.12.1.2, http://zenodo.org/record/14984437
Musiche dal nuovo mondo. Storia di un incontro mancato.
Musica e narratività nel cinema di Terrence Malick.
Creators: name: Finocchiaro, Francesco
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2010
Subjects: L-ART/07 Musicologia e storia della musica

description: L’argomento specifico del percorso didattico che qui si propone, rivolto ad una classe terza della Scuola Secondaria di primo grado o a un biennio della Secondaria di secondo grado, consiste nell’analisi di alcune sequenze filmiche accomunate dall’impiego del tema dell’Adagio dal Concerto per pianoforte e orchestra KV. 488 di W. A. Mozart. Il percorso didattico si basa su di un’attività di analisi audiovisiva, vòlta a favorire l’apprendimento di categorie, di concetti e di strumenti che possano arricchire le strategie di lettura di una tipologia di testo, come quello sincretico cinematografico, assolutamente centrale nella produzione musicale contemporanea.
2D microtubules stained with Alexa647 part 4
Creators: name: Leterrier, Christophe
Publisher: name: Zenodo
Year: 2021
Subjects: shareloc.xyz
shareloc.xyz:dataset
storm
microtubules
alexa-647
2d
smlm

description: Open in Shareloc.XYZ

description: STORM images of microtubules with widefield images, immuno-labeled with Alexa 647. (Uploaded via https://shareloc.xyz)
«Comporre è: pensare in note e ritmi». Sul concetto schönberghiano 
di musikalischer Gedanke.
Creators: name: Finocchiaro, Francesco
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2009
Subjects: L-ART/07 Musicologia e storia della musica

description: La riflessione di Arnold Schönberg sul musikalischer Gedanke ebbe inizio dopo la stesura della Harmonielehre; ma molto presto la sua definizione divenne la chiave di un’intera teoria della composizione. Alla definizione del musikalischer Gedanke Schönberg dedicò vari scritti incompiuti, redatti nell’arco di tredici-quattordici anni fra il 1923 e il 1936. Di questi, Der musikalische Gedanke, und die Logik, Technik und Kunst seiner Darstellung, noto come il Gedanke-Manuskript, rappresenta senza dubbio il tentativo più ambizioso di sistemazione teorica dell’argomento. Sin dal titolo, il musikalischer Gedanke vi compare in combinazione con altre parole-chiave (Darstellung, Logik ecc.), segno che sulla definizione di questo costrutto, vero Schlüsselbegriff della teoria schönberghiana, si innestano numerose questioni derivate: il rapporto dialettico con la Darstellung, la distinzione tra Gedanke e Stil, la parziale sovrapposizione con l’Einfall, ecc.
Al di là della problematica relazione tra il Gedanke e gli altri concetti-chiave, a complicare ulteriormente il quadro è il fatto che Schönberg impiegò l’espressione musikalischer Gedanke in modi radicalmente diversi, al punto che ridurne la categoria ad una singola definizione onnicomprensiva comporterebbe un atto di violenza interpretativa. Ma questa multidimensionalità del concetto nasconde un’aporia: i singoli concetti riassumibili sotto l’espressione musikalischer Gedanke non formano infatti un costrutto teorico rigoroso, ma sono semplicemente coesistenti l’uno accanto all’altro, senza che questa coesistenza sia in qualche modo risolta.  
In questa sede tenteremo di ricostruire le fonti del Gedanke in prospettiva cronologica allo scopo di ricomporre la storia del concetto e di metterlo in relazione con le sue premesse estetiche e con la realtà compositiva.
Market failure and food claims : an assessment of the utilization of the exaggerated product claim by food manufacturers and consumers
Creators: name: Wiseman, Kelleen L.
Publisher: name: University of British Columbia
Year: 2013

description: Regulations for on-package information and voluntary claims are designed to improve the flow of information between food manufacturers and consumers. Of particular importance are exaggerated product claims, where a claimed product is of higher quality nutritionally with regard to the claimed nutrient(s), but lower quality with regard to other nutrients (e.g., it contains more of a less healthy nutrient, or lower amounts of a desirable nutrient). The objective of this research is to assess the extent to which exaggerated product claims result in market failure in the processed food market. This grocery product study of food claims and nutrient levels uses a multi-method research design that includes an economic model (simulation study), empirical analysis and focus group study. The economic model reveals that an exaggerated product claim can increase a firm’s profit if the number of consumers who are significantly influenced by such a claim is sufficiently large relative to the level of less-healthy nutrients in the product implying an incentive for firms to exploit asymmetric information. The empirical analysis demonstrates that exaggerated product claims exist in the marketplace in the following formats: products with a saturated fat claim or cholesterol claim tend to have higher sodium levels; products with a fat claim tend to have higher sugar levels; and products with a sugar claim, sodium claim or omega-3 claim tend to have higher fat levels, on average, all relative to products without these claims. These outcomes support the results from the simulation study that exaggerated product claims can be a profit-maximizing strategy for firms. The focus group study demonstrates that consumers have difficulties utilizing on-package information and are vulnerable to exaggerated product claims and again this implies market failure due to asymmetric information. Implications include a need to review public policy regarding claim usage on processed foods, consumers experiencing negative diet-health effects and negative claim bias and both firms’ and governments’ having a decreased ability to use claims as a communication tool.
The making of ethnicity in southern Bessarabia - tracing the histories of an ambiguous concept in a contested land
Creators: name: Schlegel, Simon
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2016
Subjects: subject: 300

description: Diese Studie rollt die Geschichte von ethnischen Grenzen im südlichen Bessarabien auf, einem peripheren und multiethnischen Gebiet in der Ukraine. In den vergangenen zweihundert Jahren hat die Region zum Russischen Reich, zu Rumänien, zur Sowjetunion und schließlich zur Ukraine gehört. Jeder dieser Staaten hat ethnische Unterschiede zu seinen eigenen Zwecken benutzt. Die Studie untersucht, wie sich diese wandelnde Funktion von Ethnizität auf ihre Bedeutung ausgewirkt hat. Dazu wurde eine Kombination aus Archivstudien, biographischen Interviews und ethnographischer Feldforschung verwendet. Die so erhobenen Daten zeigen, dass Ethnizität nur dann eine ausschließliche und klar eingegrenzte Kategorie wurde, wenn der Staat eine Legitimationskrise erlebte. Es waren nicht die sich ablösenden Staaten, welche die Bedeutung von Ethnizität veränderten, sondern die Entwicklungsphase in welcher diese Staaten sich befanden. Immer wenn die Reichweite des bürokratischen Apparats zunahm, musste der Staat seine Verwaltungskategorien genauer definieren, darunter auch Ethnizität. Mit der Perspektive der historischen Ethnizitätsforschung werden die narrative und Techniken rekonstruiert, die zu verschiedenen Zeiten dazu dienten, ethnische Grenzen zu schärfen.
description: This study retraces the history of ethnic boundaries in southern Bessarabia, a peripheral and multi-ethnic region in Ukraine. In the past two centuries Bessarabia has been ruled by the Russian Empire, Romania, the Soviet Union, and most recently Ukraine. Each of these states formed and used ethnic differences to its own ends. How this history of changing functions has changed the meaning of ethnicity was analyzed by combining archival sources with biographical interviews and ethnographic fieldwork. The study shows that ethnicity became an exclusive and clearly bounded category only in periods when the state experienced some sort of legitimation crisis. It was not the alternating states that changed the meaning of ethnicity. Rather, it was the developmental phase the state was going through. With more pervasive bureaucracies, states needed to fine-tune their administrative categories, including ethnicity. With a historical anthropological perspective the narratives and techniques that at different times served to sharpen ethnic boundaries are discussed and compared over two centuries.
Levinson's theorem for graphs II
Creators: name: Childs, Andrew M.
name: Gosset, David
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We prove Levinson's theorem for scattering on an (m+n)-vertex graph with n semi-infinite paths each attached to a different vertex, generalizing a previous result for the case n=1. This theorem counts the number of bound states in terms of the winding of the determinant of the S-matrix. We also provide a proof that the bound states and incoming scattering states of the Hamiltonian together form a complete basis for the Hilbert space, generalizing another result for the case n=1.
description: Published version
Scale-Free Structure Emerging from Co-Evolution of a Network and the Concentration of Diffusive Resources on It
Creators: name: Aoki, Takaaki
name: Aoyagi, Toshio
Publisher: name: arXiv
Year: 2011
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: FOS: Physical sciences

description: Co-evolution exhibited by a network system, involving the intricate interplay between the dynamics of the network itself and the subsystems connected by it, is a key concept for understanding the self-organized, flexible nature of real-world network systems. We propose a simple model of such co-evolving network dynamics, in which the diffusion of a resource over a weighted network and the resource-driven evolution of the link weights occur simultaneously. We demonstrate that, under feasible conditions, the network robustly acquires scale-free characteristics in the asymptotic state. Interestingly, in the case that the system includes dissipation, it asymptotically realizes a dynamical phase characterized by an organized scale-free network, in which the ranking of each node with respect to the quantity of the resource possessed thereby changes ceaselessly. Our model offers a unified framework for understanding some real-world diffusion-driven network systems of diverse types.
Price premiums for ecolabelled seafood: MSC certification in Germany
Creators: name: Asche, Frank
name: Bronnmann, Julia
name: Asche, Frank
name: Bronnmann, Julia
Publisher: name: Unknown
Year: 2017
Subjects: subject: Demand and Price Analysis
subject: consumer preferences
subject: ecolabelling
subject: hedonic pricing
subject: marine stewardship council
subject: price premium
subject: scanner data

description: Whether ecolabelled seafood actually provides incentives to improve the management of fisheries remains a controversial issue. A number of stated preference studies indicate a substantial willingness to pay for ecolabelled seafood. Early evidence from actual market data supports the existence of a premium, while more recent papers provide a more nuanced picture. In this paper, a hedonic price model for whitefish species on the German market is estimated that includes information on Marine Stewardship Council (MSC) labelling, the leading seafood ecolabel in Germany. The model also allows the potential premium to vary by species. Results indicate that MSC premiums in Germany vary substantially between species, from a hefty 30.6 per cent for the high-end species cod, to a 4 per cent premium for Alaska pollock, and no premiums for saithe.
Wadaia Itoh 1993
Creators: name: Allsopp, Peter G.
name: Schoolmeesters, Paul
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Wadaia

description: Wadaia Itoh, 1993
[2 species].
Type species Wadaia kaorui Itoh, 1993, by original designation.
Pahangia Arrow, 1948b (not Pahangia Malloch, 1928).
Type species Pahangia costata Arrow, 1948, by original designation. Synonymy by Keith (2005a).
description: Published as part of Allsopp, Peter G. & Schoolmeesters, Paul, 2024, All genera of the world: Subfamilies Prototroginae, Cretoscarabaeinae, Dynamopodinae, Electrorubesopsinae, Phaenomeridinae, Orphninae, Allidiostomatinae, Aclopinae, Lichniinae, Melolonthinae, Oncerinae, Podolasiinae, Sericinae, Sericoidinae (Animalia: Arthropoda: Insecta: Coleoptera: Scarabaeidae), pp. 104-175 in Megataxa 12 (1) on page 134, DOI: 10.11646/megataxa.12.1.2, http://zenodo.org/record/14984437
Quantum Discord, Decoherence and Quantum Phase Transitions
Creators: name: Bose, Indrani
name: Pal, Amit Kumar
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum discord is a more general measure of quantum correlations than entanglement and has been proposed as a resource in certain quantum information processing tasks. The computation of discord is mostly confined to two-qubit systems for which an analytical calculational scheme is available. The utilization of quantum correlations in quantum information-based applications is limited by the problem of decoherence, i.e., the loss of coherence due to the inevitable interaction of a quantum system with its environment. The dynamics of quantum correlations due to decoherence may be studied in the Kraus operator formalism for different types of quantum channels representing system-environment interactions. In this review, we describe the salient features of the dynamics of classical and quantum correlations in a two-qubit system under Markovian (memoryless) time evolution. The two-qubit state considered is described by the reduced density matrix obtained from the ground state of a spin model. The models considered include the transverse-field XY model in one dimension, a special case of which is the transverse-field Ising model, and the $XXZ$ spin chain. The quantum channels studied include the amplitude damping, bit-flip, bit-phase-flip and phase-flip channels. The Kraus operator formalism is briefly introduced and the origins of different types of dynamics discussed. One can identify appropriate quantities associated with the dynamics of quantum correlations which provide signatures of quantum phase transitions in the spin models. Experimental observations of the different types of dynamics are also mentioned.
description: 20 pages, 6 figures, To appear in Int. J. Mod. Phys. B, special issue "Classical Vs Quantum correlations in composite systems" edited by L. Amico, S. Bose, V. Korepin and V. Vedral
Einfluss der applizierten Wassermenge und der Applikationsrate auf die Auswaschung von Stoffen aus porösen Medien
Creators: name: Hagenau, Jens
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2006
Subjects: Deponie
Grundwasserverschmutzung
Poröser Untergrund
Auswaschung
Elektronische Publikation
Hochschulschrift
Online-Publikation
Zsfassung in engl. Sprache

description: Mit verschiedenen Versuchen wird gezeigt, dass bei der Auswaschung von Stoffen aus porösen Medien (PM) die Konzentration im Sickerwasser und die ausgewaschene Fracht nicht nur von der applizierten Wassermenge, sondern auch von der Applikationsrate abhängt. Mit einer gegebenen Wassermenge wird bei niedrigen Raten mehr Stoff ausgewaschen als bei hohen. Bei gleicher Rate nimmt die Fracht mit der applizierten Wassermenge degressiv zu, da die Stoffkonzentration im Sickerwasser sinkt. Es wird weiterhin ein mathematisches Modell hergeleitet, mit dem der Einfluss der applizierten Wassermenge und der Applikationsrate auf die Stoffauswaschung modelliert werden kann. Damit können die o. g. Versuchsergebnisse erklärt sowie grundsätzliche Betrachtungen zum Stofftransport, z. B. zu effektiven Auswaschungsstrategien, angestellt werden. Das Modell basiert auf der Berechnung der Wasserdurchflussrate durch eine Pore mit der Hagen-Poiseuille-Gleichung und deren Verknüpfung mit der Verteilung der Porengrößen in einem PM, die mit Hilfe der kapillaren Aufstiegsgleichung aus der Wasserspannungskurve für das PM abgeleitet werden kann.
description: It is shown with various experiments that when leaching solutes out of a porous medium (PM) their concentration in the leachate not only depends on the amount of water applied, but also on the rate of water application. With a given amount of water more solutes can be leached with a low application rate than with a high one. At the same application rate the solute load increases with the amount of water applied, but at a declining rate, because the solute concentration in the leachate decreases. Furthermore, a mathematical model is derived, which can describe the influence of the amount of water applied and its application rate on solute leaching. It is able to explain the experimental results mentioned above and can be applied to address solute transport problems in general, e. g. to find the most effective leaching strategy for a particular situation. The model is based on the calculation of water flow through a pore with the Hagen-Poiseuille-equation and its combination with the pore size distribution of the PM under study. With the help of the capillary rise equation the latter can be derived from the PM’s moisture retention curve.
Man-Waters Interactions in the Po River Delta - Emilia-Romagna Sector
Creators: name: Piastra, Stefano
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2010
Subjects: M-GGR/01 Geografia

description: Guida all'escursione geografica nel delta del Po emiliano-romagnolo, collegata al convegno internazionale Land Reclamations: Geo-Historical Issues in a Global Perspective, Bologna, May 14th, 2010.
SafeShore – Needs of the end-users
Creators: name: Buric, Marian
Publisher: name: Zenodo
Year: 2018
Subjects: User requirements, requirements validation, targets assessment.

description: User requirements categories:

1. Command & Control Command -28

2. Document

3. Generic -30

4. Prototype Prototype Prototype -25

5. Sensing Sensing – 41
description: Presentation had been held on workshop "SafeShore - ALFA Common dissemination event", 4th December 2018, Brussels,(Belgium)
A product integral representation of mixed volumes of two convex bodies
Creators: name: Hug, Daniel
name: Rataj, Jan
name: Weil, Wolfgang
Publisher: name: arXiv
Year: 2011
Subjects: subject: Metric Geometry (math.MG)
subject: FOS: Mathematics
subject: 52A20 (Primary) 52A22, 52A39, 53C65 (Secondary)

description: The Brunn-Minkowski theory relies heavily on the notion of mixed volumes. Despite its particular importance, even explicit representations for the mixed volumes of two convex bodies in Euclidean space are available only in special cases. Here we investigate a new integral representation of such mixed volumes, in terms of flag measures of the involved convex sets. A brief introduction to (extended) flag measures of convex bodies is also provided.
Moduli of unramified irregular singular parabolic connections on a smooth projective curve
Creators: name: Inaba, Michi-aki
name: Saito, Masa-Hiko
Publisher: name: arXiv
Year: 2012
Subjects: subject: Algebraic Geometry (math.AG)
subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 14D20, 34M56, 34M55

description: In this paper we construct a coarse moduli scheme of stable unramified irregular singular parabolic connections on a smooth projective curve and prove that the constructed moduli space is smooth and has a symplectic structure. Moreover we will construct the moduli space of generalized monodromy data coming from topological monodromies, formal monodromies, links and Stokes data associated to the generic irregular connections. We will prove that for a generic choice of generalized local exponents, the generalized Riemann-Hilbert correspondence from the moduli space of the connections to the moduli space of the associated generalized monodromy data gives an analytic isomorphism. This shows that differential systems arising from (generalized) isomonodromic deformations of corresponding unramified irregular singular parabolic connections admit geometric Painlevé property as in the regular singular cases proved generally in [8].
description: 40 pages, 2 figures
The influence of farm input subsidies on the adoption of natural resource management technologies
Creators: name: Koppmair, Stefan
name: Kassie, Menale
name: Qaim, Matin
name: Koppmair, Stefan
name: Kassie, Menale
name: Qaim, Matin
Publisher: name: Unknown
Year: 2017
Subjects: subject: Research and Development/Tech Change/Emerging Technologies
subject: Africa
subject: fertilizer subsidy
subject: Malawi
subject: small farms
subject: sustainable agriculture
subject: technology adoption

description: Farm input subsidies are often criticised on economic and ecological grounds. The promotion of natural resource management (NRM) technologies is widely seen as more sustainable to increase agricultural productivity and food security. Relatively little is known about how input subsidies affect farmers’ decisions to adopt NRM technologies. There are concerns of incompatibility, because NRM technologies are one strategy to reduce the use of external inputs in intensive production systems. However, in smallholder systems of Africa, where the average use of external inputs is low, there may possibly be interesting complementarities. Here, we analyse the situation of Malawi’s Farm Input Subsidy Program (FISP). Using panel data from smallholder farm households, we develop a multivariate probit model and examine how FISP participation affects farmers’ decisions to adopt various NRM technologies, such as intercropping of maize with legumes, use of organic manure, water conservation practices and vegetative strips. As expected, FISP increases the use of inorganic fertilizer and improved maize seeds. Yet, we also observe a positive association between FISP and the adoption of certain NRM technologies. For other NRM technologies, we find no significant effect. We conclude that input subsidies and the promotion of NRM technologies can be compatible strategies.
Christoph Wilhelm Lüdeke (1737-1805) - ‚Glaubwürdige Nachrichten‘ und ‚Beschreibung des Türkischen Reichs‘ im historischen Kontext
Creators: name: Clauß, Alexander
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2015
Subjects: subject: Online-Publikation
subject: Hochschulschrift
subject: 200
subject: 230
subject: 290

description: Ziel dieser Dissertation ist es, durch Analyse von konkreten Reise- und Erfahrungsberichten und deren Diskussionskontexten nachzuvollziehen, wie im späten 18. Jahrhundert Christentum und „Türckische Religion“ in Bezug aufeinander konzeptionalisiert worden sind. Weder das „Wesen“ noch „der Islam“ stehen im Mittelpunkt der Untersuchungen, sondern die historische Perspektive, die Akteure des 18. Jahrhunderts darauf hatten. Der historische Kontext wird dabei einerseits in Bezug auf den heute eher unbekannten Pfarrer Christoph Wilhelm Lüdeke (1737-1805) und andererseits hinsichtlich dessen Werke untersucht. Von 1759 bis 1768 war er Pastor einer lutherischen Gemeinde in Smyrna (heute Izmir). Neue Quellen liefern Einblicke in die Anfänge der protestantischen Kirchen- und Missionsgeschichte in Smyrna. Lüdekes bekannteste Werke zeigen unter anderem, wie die „Türckische Religion“ als Schablone für interkonfessionelle Streitigkeiten benutzt wurde.
description: The following thesis aims to analyze travel reports and their discussional contexts and to comprehend how Christianity and “Turkish Religion” of the late 18th century were conceptualized in reference to each other. Neither the “substance” nor “the Islam” are at the centre of attention but the actors’ historical perspective in 18th century. On the one hand the historical context is examined concerning the nowadays quite unknown pastor Christoph Wilhelm Lüdeke (1737-1805) and on the other hand referring to his writings. He has been a pastor of a Lutheran congregation in Smyrna (nowadays Izmir) from 1759 till 1768. New resources provide insights into the beginnings of the Protestant church and missionary history in Smyrna. Lüdeke’s best known writings illustrate how the “Turkish Religion” was used as a mask for interconfessional conflicts.
Chilodiplus Sharp 1877
Creators: name: Allsopp, Peter G.
name: Schoolmeesters, Paul
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Chilodiplus

description: Chilodiplus Sharp, 1877
[4 species].
Type species Chilodiplus albertisii Sharp, 1877, by monotypy.
description: Published as part of Allsopp, Peter G. & Schoolmeesters, Paul, 2024, All genera of the world: Subfamilies Prototroginae, Cretoscarabaeinae, Dynamopodinae, Electrorubesopsinae, Phaenomeridinae, Orphninae, Allidiostomatinae, Aclopinae, Lichniinae, Melolonthinae, Oncerinae, Podolasiinae, Sericinae, Sericoidinae (Animalia: Arthropoda: Insecta: Coleoptera: Scarabaeidae), pp. 104-175 in Megataxa 12 (1) on page 134, DOI: 10.11646/megataxa.12.1.2, http://zenodo.org/record/14984437
Il pensiero musicale e l'enigma di Dio. La tematica religiosa nell'opera e nella teoria di Arnold Schoenberg
Creators: name: Finocchiaro, Francesco
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2010
Subjects: L-ART/07 Musicologia e storia della musica

description: La dimensione religiosa ha avuto un ruolo centrale nell'esperienza creativa di Arnold Schoenberg: non solo la produzione artistica, ma finanche la sistemazione teorico-musicale e la riflessione socio-politica del compositore viennese lasciano intravedere una forte tensione spirituale, che sarebbe errato ridurre a un generico senso della trascendenza.
Le opere di Schoenberg imperniate su una tematica etica e spirituale sono state per lungo tempo oggetto della ricerca musicologica. Ma è in particolare al fondamentale studio di Alexander Ringer, Arnold Schoenberg: The Composer as Jew, che si deve l'inaugurazione di una stagione nuova, che ha visto la prospettiva religiosa, cabbalistica e numerologica porsi letteralmente al centro della Schoenbergforschung.
Siamo certi che un contributo considerevole alla definizione di questo quadro storiografico, al cui centro, dal punto di vista della ricerca musicologica, deve rimanere pur sempre il dato compositivo, possa venire da una messa in relazione delle soluzioni formali adottate da Schoenberg nelle opere d'ispirazione religiosa con alcuni punti nodali della sua parallela riflessione sulla teoria della forma. In questa sede accenneremo infatti ad alcuni interessanti elementi di concordanza tra la sfera compositiva e quella teorica, esaminati dalla prospettiva di una loro possibile valenza religiosa.
Statistical Anisotropy from Vector Curvaton in D-brane Inflation
Creators: name: Dimopoulos, Konstantinos
name: Wills, Danielle
name: Zavala, Ivonne
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the possibility of embedding the vector curvaton paradigm in D-brane models of inflation in Type IIB string theory in a simple toy model. The vector curvaton is identified with the U(1) gauge field that lives on the world volume of a D3-brane, which may be stationary or undergoing general motion in the internal space. The dilaton is considered as a spectator field which modulates the evolution of the vector field. In this set up, the vector curvaton is able to generate measurable statistical anisotropy in the spectrum and bispectrum of the curvature perturbation assuming that the dilaton evolves as e^(-ϕ)\propto a^2 where a(t) is the scale factor. Our work constitutes a first step towards exploring how such distinctive features may arise from the presence of several light fields that naturally appear in string theory models of cosmology.
description: 44 pages, 1 figure. Several clarifications, some new results added: section 3 expanded and improved; section 4 and 5 merged. Typos corrected, references added. Matches version to appear in NPB