cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The nature of point source fringes in mid-infrared spectra acquired with the James Webb Space Telescope
Creators: name: Argyriou, Ioannis
name: Wells, Martyn
name: Glasse, Alistair
name: Lee, David
name: Royer, Pierre
name: Vandenbussche, Bart
name: Malumuth, Eliot
name: Glauser, Adrian
name: Kavanagh, Patrick J.
name: Labiano, Alvaro
name: Lahuis, Fred
name: Mueller, Michael
name: Patapis, Polychronis
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The constructive and destructive interference in different layers of the James Webb Space Telescope (JWST) Mid-Infrared Instrument (MIRI) detector arrays modulate the detected signal as a function of wavelength. Additionally, sources of different spatial profiles show different fringe patterns. Dividing by a static fringe flat could hamper the scientific interpretation of sources whose fringes do not match that of the fringe flat. We find point source fringes measured by the MIRI Medium-Resolution Spectrometer (MRS) to be reproducible under similar observing conditions. We want, thus, to identify the variables, if they exist, that would allow for a parametrization of the signal variations induced by point source fringe modulations. We do this by analyzing MRS detector plane images acquired on the ground. We extracted the fringe profile of multiple point source observations and studied the amplitude and phase of the fringes as a function of field position and pixel sampling of the point spread function of the optical chain. A systematic variation in the amplitude and phase of the point source fringes is found over the wavelength range covered by the test sources (4.9-5.8 $μ$m). The variation depends on the fraction of the point spread function seen by the detector pixel. We identify the non-uniform pixel illumination as the root cause of the reported systematic variation. We report an improvement after correction of 50% on the 1$σ$ standard deviation of the spectral continuum. A 50% improvement is also reported in line sensitivity for a benchmark test with a spectral continuum of 100 mJy. The improvement in the shape of weak lines is illustrated using a T Tauri model spectrum. Consequently, we verify that fringes of extended sources and potentially semi-extended sources and crowded fields can be simulated by combining multiple point source fringe transmissions.
description: 17 pages, 31 figures
Emergent quantum Hall effects below $50$ mT in a two-dimensional topological insulator
Creators: name: Shamim, Saquib
name: Beugeling, Wouter
name: Böttcher, Jan
name: Shekhar, Pragya
name: Budewitz, Andreas
name: Leubner, Philipp
name: Lunczer, Lukas
name: Hankiewicz, Ewelina M.
name: Buhmann, Hartmut
name: Molenkamp, Laurens W.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The realization of the quantum spin Hall effect in HgTe quantum wells has led to the development of topological materials which, in combination with magnetism and superconductivity, are predicted to host chiral Majorana fermions. However, the large magnetization ($\sim$ a few tesla) in conventional quantum anomalous Hall system, makes it challenging to induce superconductivity. Here, we report two different emergent quantum Hall effects in HgTe quantum wells dilutely alloyed with Mn. Firstly, a novel quantum Hall state emerges from the quantum spin Hall state at an exceptionally low magnetic field of $\sim 50$ mT. Secondly, tuning towards the bulk $p$-regime, we resolve multiple quantum Hall plateaus at fields as low as $20 - 30$ mT, where transport is dominated by a van Hove singularity in the valence band. These emergent quantum Hall phenomena rely critically on the topological band structure of HgTe and their occurrence at very low fields make them an ideal candidate for interfacing with superconductors to realize chiral Majorana fermions.
Black hole entropy, log corrections and quantum ergosphere
Creators: name: Arzano, Michele
Publisher: name: arXiv
Year: 2005
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Quantum-gravity corrections to the probability of emission of a particle from a black hole in the Parikh-Wilczek tunneling framework are studied. We consider the effects of zero-point quantum fluctuations of the metric on the emission probability for a tunneling shell. Quantum properties of the geometry are responsible for the formation of a "quantum egosphere" whose effects on the emission probability can be related to the emergence of a logarithmic correction to the Bekenstein-Hawking entropy-area formula.
description: RevTex4, 10 pages, no figures
de Jérusalem, Hésychius, de Séleuce, Basile, de Béryte, Jean: Pseudo-Chrisostome, Léonce de Constantinople
Creators: name: Gessel, Wilhelm
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 57 (1973): Oriens christianus, Band 57
Additional file 4 of High insecticide resistances levels in Anopheles gambiaes s.l. in northern Uganda and its relevance for future malaria control
Creators: name: Echodu, Richard
name: Iga, Julius
name: Oyet, William Samuel
name: Mireji, Paul
name: Anena, Juliet
name: Onanyang, David
name: Iwiru, Tereza
name: Lutwama, Julius Julian
name: Opiyo, Elizabeth Auma
Publisher: name: figshare
Year: 2020
Subjects: subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Additional file 4: Table S4. Percentage mortality (24 h) of An. gambiae s.l. after 60-min exposure (KD60) to bendiocarb, permethrin, deltamethrin and malathion.
On the Two-Dimensional Knapsack Problem for Convex Polygons
Creators: name: Merino, Arturo
name: Wiese, Andreas
Publisher: name: arXiv
Year: 2020
Subjects: subject: Data Structures and Algorithms (cs.DS)
subject: Computational Geometry (cs.CG)
subject: FOS: Computer and information sciences

description: We study the two-dimensional geometric knapsack problem for convex polygons. Given a set of weighted convex polygons and a square knapsack, the goal is to select the most profitable subset of the given polygons that fits non-overlappingly into the knapsack. We allow to rotate the polygons by arbitrary angles. We present a quasi-polynomial time $O(1)$-approximation algorithm for the general case and a polynomial time $O(1)$-approximation algorithm if all input polygons are triangles, both assuming polynomially bounded integral input data. Also, we give a quasi-polynomial time algorithm that computes a solution of optimal weight under resource augmentation, i.e., we allow to increase the size of the knapsack by a factor of $1+δ$ for some $δ>0$ but compare ourselves with the optimal solution for the original knapsack. To the best of our knowledge, these are the first results for two-dimensional geometric knapsack in which the input objects are more general than axis-parallel rectangles or circles and in which the input polygons can be rotated by arbitrary angles.
description: 32 pages, 7 figures. A preliminary version appears in ICALP 2020
Approximation in ergodic theory, Borel, and Cantor dynamics
Creators: name: Bezuglyi, S.
name: Kwiatkowski, J.
name: Medynets, K.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37A40, 37B05, 03066

description: This survey is focused on the results related to topologies on the groups of transformations in ergodic theory, Borel, and Cantor dynamics. Various topological properties (density, connectedness, genericity) of these groups and their subsets (subgroups) are studied.
Effective Reduction of Oxygen Debris in Graphene Oxide
Creators: name: Seri-Livni, O.
name: Saguy, C.
name: Horani, F.
name: Lifshitz, E.
name: Cheskis, D.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Graphene oxide (GO) raised substantial interest in the last two decades thanks to its unique properties beyond those of pristine graphene, including electronic energy band-gap, hydrophilic behavior and numerous anchoring sites required for functionalization. In addition, GO was found to be a cheap mass-production source for the formation of the pristine graphene. However, the presence of numerous clusters containing oxygen functional groups (called debris) on the GO surface hinders the GO integration in electronic devices. Here, we present a simple method aimed to reduce the density of oxygen debris weakly bonded to the surface. The method consists of minimal treatments, like sonication and/or water rinsing processes. Whereas this simple method removed epoxy and hydroxyl oxygen groups weakly attached to the graphene matrix, the double C=O bonds are almost not affected by the applied treatment, as demonstrated by X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy. Scanning tunneling microscopy and high-resolution transmission electron microscopy measures designated non-uniform distribution of the oxidation sites, appearing as clusters concentrated preferentially on GO defected regions, albeit separated by pristine graphene areas. The results should have an impact in the implementation of GO in electronic devices deposited on different substrates.
description: 19 pages, 7 figures, 1 table
ESM_FINAL_rerereresub.docx from Cool birds: facultative use by an introduced species of mechanical air conditioning systems during extremely hot outdoor conditions
Creators: name: Mills, Raegan
name: McGraw, Kevin J.
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Environmental Science
subject: Ecology
subject: FOS: Biological sciences
subject: 60801 Animal Behaviour

description: Rapid climate change across the globe is having dramatic effects on wildlife. Responses of organisms to shifting thermal conditions often include physiological and behavioural accommodations, but to date these have been largely viewed and studied as naturally evolved phenomena (e.g. heat avoidance, sweating, panting) and not necessarily as strategies where animals exploit other anthropogenic conditions or resources. Moreover, the degree to which native versus introduced species show thermal plasticity has generated much conservation and ecological interest. We previously have observed introduced rosy-faced lovebirds (Agapornis roseicollis) perching in the relief-air vents on building faces in the Phoenix, Arizona, USA metropolitan area, but doing so only during summer. Here, we show that such vent-perching events are significantly associated with extreme outdoor summer temperatures (when daily local highs routinely exceed 40°C). In fact, the temperature threshold at which we detected lovebirds starting to perch in cool air vents mirrors the upper range of the thermoneutral zone for this species. These results implicate novel, facultative use of an anthropogenic resource—industrial air-conditioning systems—by a recently introduced species (within the last 35 years) to cool down and survive extremely hot conditions in this urban ‘heat-island' environment.
Towards A National Agribusiness System: A Conceptual Framework
Creators: name: Wilk, Eduardo De Oliveira
name: Fensterseifer, Jaime Evaldo
name: Wilk, Eduardo De Oliveira
name: Fensterseifer, Jaime Evaldo
Publisher: name: Unknown
Year: 2003
Subjects: Agribusiness

description: This paper examines today's challenges to the agribusiness sector. Through the Resource-Based View approach, we explore the potential roles and linkages between national public policies and local strategies in order to enhance the competitiveness and sustainability of a national agribusiness system. The main goal is to achieve a strategic alignment between the actions of multiple stakeholders, like firms, research centers, consumers, government, and the society in general. The essence of the paper is synthesized in a framework, which highlights the need for coordination of agribusiness systems by a National Strategy.
Additional file 3 of High insecticide resistances levels in Anopheles gambiaes s.l. in northern Uganda and its relevance for future malaria control
Creators: name: Echodu, Richard
name: Iga, Julius
name: Oyet, William Samuel
name: Mireji, Paul
name: Anena, Juliet
name: Onanyang, David
name: Iwiru, Tereza
name: Lutwama, Julius Julian
name: Opiyo, Elizabeth Auma
Publisher: name: figshare
Year: 2020
Subjects: subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Additional file 3: Table S3. Knockdown summary during 60 min exposure (KD60).
The unidentified TeV source (TeVJ2032+4130) and surrounding field: Final HEGRA IACT-System results
Creators: name: HEGRA Collaboration
name: Aharonian, F.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The unidentified TeV source in Cygnus is now confirmed by follow-up observations from 2002 with the HEGRA stereoscopic system of Cherenkov Telescopes. Using all data (1999 to 2002) we confirm this new source as steady in flux over the four years of data taking, extended with radius 6.2 arcmin (+-1.2 arcmin (stat) +-0.9 arcmin (sys)) and exhibiting a hard spectrum with photon index -1.9. It is located in the direction of the dense OB stellar association, Cygnus OB2. Its integral flux above energies E>1 TeV amounts to \~5% of the Crab assuming a Gaussian profile for the intrinsic source morphology. There is no obvious counterpart at radio, optical nor X-ray energies, leaving TeVJ2032+4130 presently unidentified. Observational parameters of this source are updated here and some astrophysical discussion is provided. Also included are upper limits for a number of other interesting sources in the FoV, including the famous microquasar Cygnus X-3.
description: 7 pages, 3 figures. Accepted for publication in Astronomy & Astrophysics
Novel ansatz for charge radii in density functional theories
Creators: name: An, Rong
name: Geng, Li-Sheng
name: Zhang, Shi-Sheng
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Charge radii are one of the most fundamental properties of atomic nuclei characterizing their charge distributions. Though the general trend as a function of the mass number is well described by the $A^{1/3}$ rule, some fine structures, such as the evolution along the calcium isotopic chain and the corresponding odd-even staggerings, are notoriously difficult to describe both in density functional theories and ab initio methods. In this letter, we propose a novel ansatz to describe the charge radii of calcium isotopes, by adding a correction term, proportional to the number of Cooper pairs, and determined by the BCS amplitudes and a single parameter, to the charge radii calculated in the relativistic mean field model with the pairing interaction treated with the BCS method. The new ansatz yields results consistent with data not only for calcium isotopes, but also for ten other isotopic chains, including oxygen, neon, magnesium, chromium, nickel, germanium, zirconium, cadmium, tin, and lead. It is remarkable that this ansatz with a single parameter can describe nuclear charge radii throughout the periodic table, particularly the odd-even staggerings and parabolic behavior. We hope that the present study can stimulate more discussions about its nature and relation with other effects proposed to explain the odd-even staggerings of charge radii.
description: 6 pages, 5 figures
Consumer's Attitude Towards Labeled and Unlabeled GM Food Products in Italy
Creators: name: Soregaroli, Claudio
name: Boccaletti, Stefano
name: Moro, Daniele
name: Soregaroli, Claudio
name: Boccaletti, Stefano
name: Moro, Daniele
Publisher: name: Unknown
Year: 2003
Subjects: Food Consumption/Nutrition/Food Safety
Research and Development/Tech Change/Emerging Technologies

description: Based on survey data collected on a sample of 500 Italian consumers, this paper evaluates the consumer's attitude towards foods obtained from the application of biotechnologies and foods labeled as "GM free". Results from the application of probit models shows that the probability to purchase GM products is lower for individuals more adverse to risk, older, with higher education and less confident in institutional guarantees. Willingness to Pay for GM free products is positively related to information, risk aversion, age, trust in institutional environment, negatively to the degree of agreement with the application of biotechnologies.
Additional file 1 of MicroBVS: Dirichlet-tree multinomial regression models with Bayesian variable selection - an R package
Creators: name: Koslovsky, Matthew D.
name: Vannucci, Marina
Publisher: name: figshare
Year: 2020
Subjects: subject: Statistics
subject: FOS: Mathematics

description: Additional file 1 Supplementary Material for MicroBVS: Dirichlet-Tree Multinomial Regression Models with Bayesian Variable Selection - an R Package.
Noncommutativity from Embedding Techniques
Creators: name: Samanta, Saurav
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We apply the embedding method of Batalin-Tyutin for revealing noncommutative structures in the generalized Landau problem. Different types of noncommutativity follow from different gauge choices. This establishes a duality among the distinct algebras. An alternative approach is discussed which yields equivalent results as the embedding method. We also discuss the consequences in the Landau problem for a non constant magnetic field.
description: To appear in Modern Physics Letters A
The Impact of Downstream Network Subgroups on Collaboration and Performance: A Survey of Buyer-Supplier Relationships in the Dutch Flower Sector
Creators: name: Claro, Danny Pimentel
name: Hagelaar, Geoffrey J.L.F.
name: Kemp, Ron G.M.
name: Omta, S.W.F. (Onno)
name: Claro, Danny Pimentel
name: Hagelaar, Geoffrey J.L.F.
name: Kemp, Ron G.M.
name: Omta, S.W.F. (Onno)
Publisher: name: Unknown
Year: 2003
Subjects: Industrial Organization

description: In this paper, we aim to identify those network subgroups that enhance the collaborative governance in a focal buyer-supplier relationship. We argue, that partners in a focal buyer-supplier relationship can be seen as embedded in a broader network of business relationships with network subgroups, (e.g. other buyers, buyers customers), which provide information that can support the collaborative governance, assessed by flexibility, joint planning and joint problem solving, by lowering the level of information asymmetry between the partners. Empirical evidence was gathered through a mailed questionnaire returned by 175 Dutch suppliers of potted plants and flowers. Our results show the importance of the information provided by the network subgroups to manage the focal buyer-supplier relationships and ultimately the impact on performance. Interestingly, although five network subgroups were mentioned in the questionnaire, suppliers only obtained reliable information for their focal relationship from the downstream subgroups of other buyers (i.e. merchant-distributors) and buyer's customers (i.e. supermarkets and flower shops). In order to avoid redundancy, managers in seeking information in their business network should not consider the network as a whole, but rather the downstream subgroups.
Additional file 2 of High insecticide resistances levels in Anopheles gambiaes s.l. in northern Uganda and its relevance for future malaria control
Creators: name: Echodu, Richard
name: Iga, Julius
name: Oyet, William Samuel
name: Mireji, Paul
name: Anena, Juliet
name: Onanyang, David
name: Iwiru, Tereza
name: Lutwama, Julius Julian
name: Opiyo, Elizabeth Auma
Publisher: name: figshare
Year: 2020
Subjects: subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Additional file 2: Table S2. Seasonal variation in Anopheles and their KDR distribution.
On Generalized Gauge-Fixing in the Field-Antifield Formalism
Creators: name: Batalin, I. A.
name: Bering, K.
name: Damgaard, P. H.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider the problem of covariant gauge-fixing in the most general setting of the field-antifield formalism, where the action W and the gauge-fixing part X enter symmetrically and both satisfy the Quantum Master Equation. Analogous to the gauge-generating algebra of the action W, we analyze the possibility of having a reducible gauge-fixing algebra of X. We treat a reducible gauge-fixing algebra of the so-called first-stage in full detail and generalize to arbitrary stages. The associated "square root" measure contributions are worked out from first principles, with or without the presence of antisymplectic second-class constraints. Finally, we consider an W-X alternating multi-level generalization.
description: 49 pages, LaTeX. v2: Minor changes + 1 more reference. v3,v4,v5: Corrected typos. v5: Version published in Nuclear Physics B. v6,v7: Correction to the published version added next to the Acknowledgement
Exact solutions of the Klein-Gordon equation in external electromagnetic fields on 3D de Sitter background
Creators: name: Magazev, Alexey A.
name: Boldyreva, Maria N.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mathematical Physics (math-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this study, we investigate the symmetry properties and the possibility of exact integration of the Klein--Gordon equation in the presence of an external electromagnetic field on 3D de Sitter background. We present an algorithm for constructing the first-order symmetry algebra and describe its structure in terms of Lie algebra extensions. Based on the well-known classification of the inequivalent subalgebras of the algebra $\mathfrak{so}(1,3)$, we obtain the classification of the electromagnetic fields on $\mathrm{dS}_3$ admitting first-order symmetry algebras of the Klein-Gordon equation. Then, we select the integrable cases, and for each of them, we construct exact solutions, using the non-commutative integration method developed by Shapovalov and Shirokov. In Appendix, we present an original algebraic method for constructing the special local coordinates on de Sitter space, in which the basis vector fields for subalgebras of the algebra $\mathfrak{so}(1,3)$ have the simplest form.
description: 24 pages
Intermittent generalized synchronization in unidirectionally coupled chaotic oscillators
Creators: name: Hramov, Alexander E.
name: Koronovskii, Alexey A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: A new behavior type of unidirectionally coupled chaotic oscillators near the generalized synchronization transition has been detected. It has been shown that the generalized synchronization appearance is preceded by the intermitted behavior: close to threshold parameter value the coupled chaotic systems demonstrate the generalized synchronization most of the time, but there are time intervals during which the synchronized oscillations are interrupted by non-synchronous bursts. This type of the system behavior has been called intermitted generalized synchronization (IGS) by analogy with intermitted lag synchronization (ILS) [Phys. Rev. E \textbf{62}, 7497 (2000)].
description: 8 pages, 5 figures, using epl.cls; published in Europhysics Letters. 70, 2 (2005) 169-175
Communicating Nutritional Information to the Global Consumer: Adapting to Shifting Consumer Attitudes Toward Nutrition
Creators: name: Usmanova, Natalia
name: Thor, Eric P.
name: Usmanova, Natalia
name: Thor, Eric P.
Publisher: name: Unknown
Year: 2003
Subjects: Food Consumption/Nutrition/Food Safety

description: This paper analyzes factors affecting the choice of a reference amount in nutrition labeling. Two most common reference units are compared: a serving and 100 grams; advantages and shortcomings are discussed; implications for policymakers are drawn. Choice of a reference unit is often dictated by existing labeling traditions and the prevailing system of measurements. The authors recommend that international harmonization of food labeling be based on general principles that allow flexibility rather than provide specific recommendations on the label components and format. This way countries can preserve and further the labeling traditions to which consumers have become accustomed.
Cramer, Maria: Koptische Hymnologie in deutscher Übersetzung
Creators: name: Assfalg, Julius
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 57 (1973): Oriens christianus, Band 57
Twistor actions for non-self-dual fields; a new foundation for twistor-string theory
Creators: name: Mason, L. J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Twistor space constructions and actions are given for full Yang-Mills and conformal gravity using almost complex structures that are not, in general, integrable. These are used as the basis of a derivation of the twistor-string generating functionals for tree level perturbative scattering amplitudes of Yang-Mills and conformal gravity. The derivation follows by expanding and resumming the classical approximation to the path integral obtained from the twistor action. It provides a basis for exploring whether the equivalence can be made to extend beyond tree level and allows one to disentangle conformal supergravity modes from the Yang-Mills modes.
description: 23 pages. v2: typos etc. corrected, some extra clarifying remarks, particularly in section 3
Automated Configuration of Negotiation Strategies
Creators: name: Renting, Bram M.
name: Hoos, Holger H.
name: Jonker, Catholijn M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Multiagent Systems (cs.MA)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Bidding and acceptance strategies have a substantial impact on the outcome of negotiations in scenarios with linear additive and nonlinear utility functions. Over the years, it has become clear that there is no single best strategy for all negotiation settings, yet many fixed strategies are still being developed. We envision a shift in the strategy design question from: What is a good strategy?, towards: What could be a good strategy? For this purpose, we developed a method leveraging automated algorithm configuration to find the best strategies for a specific set of negotiation settings. By empowering automated negotiating agents using automated algorithm configuration, we obtain a flexible negotiation agent that can be configured automatically for a rich space of opponents and negotiation scenarios. To critically assess our approach, the agent was tested in an ANAC-like bilateral automated negotiation tournament setting against past competitors. We show that our automatically configured agent outperforms all other agents, with a 5.1% increase in negotiation payoff compared to the next-best agent. We note that without our agent in the tournament, the top-ranked agent wins by a margin of only 0.01%.
description: Appears in Proceedings of the 19th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2020)
Understanding the Kitsch Sculptures of Turkey
Creators: name: Nursena Topcuoglu
Publisher: name: figshare
Year: 2021
Subjects: subject: 120508 Urban Design
subject: FOS: Social and economic geography

description: In the last decade, a new trend in Turkey has emerged by municipalities. The sculptures located in places that can be seen while driving in cities, especially in the form of food that reputed the city, have started to be placed in almost every city. In this study, these artifacts are acknowledged as kitsch objects. As a framework, firstly, the concept of kitsch is introduced. Then, the reasons for the occurrence of these artifacts and their effects are discussed with several theoretical background studies.
Strategic Alliances and Sustainable Coffee Production: The Shaded System of Baturite, State of Ceara, Brazil
Creators: name: Saes, Maria Sylvia Macchione
name: Souza, Maria Celia M.
name: Otani, Malimiria Norico
name: Saes, Maria Sylvia Macchione
name: Souza, Maria Celia M.
name: Otani, Malimiria Norico
Publisher: name: Unknown
Year: 2003
Subjects: Crop Production/Industries

description: The study aims to assess the entry of coffee producers into the specialty coffee segment that is differentiated by social and environmental attributes. It shows the experience of shaded coffee growers participating in the Projeto Café Ecológico, placed in the Baturité Mountains Environmental Protection Area, an Atlantic Forest region in Ceará State, Brazil. Emphasis is placed on horizontal and vertical strategic alliances among actors involved in the production, processing and distribution of ecological coffee. It highlights the articulation between government and NGOs, under both contractual and institutional approaches.
On the Potentials of Supersymmetric Theories with Gauge-Field Mixing Terms
Creators: name: Ferreira, Cristine N.
name: Chavez, Helder
name: Helayel-Neto, Jose A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this letter, we reconsider the delicate issue of symmetry and supersymmetry breakings for gauge theories with gauge-field mixings. The purpose is to study generalyzed potentials in the presence of more than a single gauge potential. In this work, following a stream of investigation on supersymmetric gauge theories without flat directions, we contemplate the possibility of building up D- and F-term potentials by means of a gauge-field mixing in connection with a U(1)x U(1)' -symmetry. We investigate a generalized potential including an N=1 supersymmetric extension of the Maxwell-Chern-Simons model focusing on the study of cosmic string configurations. This analysis sheds some light on the formation of cosmic strings for model with violation of Lorentz symmetry.
description: 9 pages, 2 figures, work presented at the 4th International Winter Conference on Mathematical Methods in Physics (WC2004), 09 - 13 August 2004, Centro Brasileiro de Pesquisas Fisicas (CBPF/MCT), Rio de Janeiro, Brazil
Regional planning in British Columbia : 50 years of vision, process and practice
Creators: name: Chadwick, Narissa Ann
Publisher: name: University of British Columbia
Year: 2009

description: Through the use of oral and written history, this thesis examines forces and factors contributing to key events and defining phases in the history of regional planning in British Columbia. Regional planning, which emerged in BC in the late 1940s in response to the need to address problems related to urban growth in the Lower Mainland, has taken on a number of forms over the past half-century. During this time the regional approach to planning has been introduced as a means of addressing land-use questions and servicing challenges in rural and urban areas, addressing conflicts over resource use and implementing sustainability objectives. This thesis divides regional planning in the province into three main phases. The first phase (1940s to 1970s) is characterized by the introduction of regional planning legislation, regional planning bodies and processes in response to rapid growth and development. The second phase (late 1970s to 1980s) is marked by the rescinding of regional district planning powers and other setbacks to the regional planning system imposed by the government of the day. The third phase (1990s) is a time of rebirth and redefinition of regional planning priorities and processes in the face of increasing challenges related to urban growth and resource management. While some links to exogenous influences are identified, analysis of key themes and trends in BC's regional planning history reveals the major roles the province's geography, economy, system of governance, politics, and the people involved in regional planning processes have played in shaping regional planning policy, process, and practice. Based on this historical review a number of recommendations for future research and direction are proposed.
Computer and Network Security
Creators: name: Sen, Jaydip
name: Mehtab, Sidra
name: Sone, Michael Ekonde
name: Jyothsna, Veeramreddy
name: Prasad, Koneti Munivara
name: Singh, Rajeev
name: Sharma, Teek Parval
name: Noskov, Anton
name: Velasquez, Ignacio
name: Caro, Angelica
name: Rodriguez, Alfonco
name: Fatayer, Tamer S. A.
name: Mulani, Altaf O.
name: Mane, Pradeep B.
name: Chitrakar, Roshan
name: Bhusal, Roshan
name: Maharjan, Prajwol
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: In the era of Internet of Things and with the explosive worldwide growth of electronic data volume, and associated need of processing, analysis and storage of such humongous volume of data, several new challenges are faced in protecting privacy of sensitive data and securing systems by designing novel schemes for secure authentication, integrity protection, encryption and non-repudiation. Lightweight symmetric key cryptography and adaptive network security algorithms are in demand for mitigating these challenges. This book presents some of the state-of-the-art research work in the field of cryptography and security in computing and communications. It is a valuable source of knowledge for researchers, engineers, practitioners, graduate and doctoral students who are working in the field of cryptography, network security and security and privacy issues in the Internet of Things (IoT), and machine learning application in security. It will also be useful for faculty members of graduate schools and universities.
description: 175 pages, 87 figures and 44 Tables
Constraints and Limitations to the Design and Implementation or Origin and Quality Assurance Systems for Argentine Beef
Creators: name: Palau, Hernan
name: Jatib, Ines
name: Palau, Hernan
name: Jatib, Ines
Publisher: name: Unknown
Year: 2003
Subjects: Livestock Production/Industries

description: This paper examines the current status of quality beef trade in Argentina together with production and marketing value-adding alternatives. Origin and quality assurance systems for beef have been developed as a way of differentiating products designed to satisfy increasingly demanding European and North American consumers. This led to gaining new markets and obtaining higher prices and profit margins. Such systems are based on institutional, organisational and technological innovations that are ultimately co-innovations, since they derive from generally accepted collective action processes. In Argentina, the strong influence of path dependency, particularly within informal institutional and organizational environments, threatens any possibility of widely applying and developing the new designs, thus turning the argentine livestock sector into an irremediable sector.
Stability of Ca-montmorillonite hydrates: A computer simulation study
Creators: name: Odriozola, G.
name: Aguilar, J. F.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Classic simulations are used to study interlayer structure, swelling curves, and stability of Ca-montmorillonite hydrates. For this purpose, NPzzT$ and MuPzzT ensembles are sampled for ground level and given burial conditions. For ground level conditions, a double layer hydrate having 15.0 A of basal spacing is the predominant state for relative vapor pressures (p/po) ranging in 0.6-1.0. A triple hydrate counting on 17.9 A of interlaminar distance was also found stable for p/po=1.0. For low vapor pressures, the system may produce a less hydrated but still double layer state with 13.5 A or even a single layer hydrate with 12.2 A of interlaminar distance. This depends on the established initial conditions. On the other hand, the effect of burial conditions is two sided. It was found that it enhances dehydration for all vapor pressures except for saturation, where swelling is promoted.
description: 8 pages, 9 figures
Additional file 1 of High insecticide resistances levels in Anopheles gambiaes s.l. in northern Uganda and its relevance for future malaria control
Creators: name: Echodu, Richard
name: Iga, Julius
name: Oyet, William Samuel
name: Mireji, Paul
name: Anena, Juliet
name: Onanyang, David
name: Iwiru, Tereza
name: Lutwama, Julius Julian
name: Opiyo, Elizabeth Auma
Publisher: name: figshare
Year: 2020
Subjects: subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Additional file 1: Table S1. Seasonal comparison of female Anopheles mosquito population distribution.
A Super-resolution Optical Classifier with High Photon Efficiency
Creators: name: Zhang, He
name: Kumar, Santosh
name: Huang, Yu-Ping
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We propose and demonstrate a photon-efficient optical classifier to overcome the Rayleigh limit in spatial resolution. It utilizes mode-selective sum frequency generation and single-pixel photon detection to resolve closely spaced incoherent sources based on photon counting statistics. Super-resolving and photon efficient, this technique can find applications in microscopy, light detection and ranging (LiDAR), and astrophysics.
description: 4 pages, 5 figures
Critical Phenomena and the Quantum Critical Point of Ferromagnetic Zr1-xNbxZn2
Creators: name: Sokolov, D. A.
name: Aronson, M. C.
name: Gannon, W.
name: Fisk, Z.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We present a study of the magnetic properties of Zr1-xNbxZn2, using an Arrott plot analysis of the magnetization. The Curie temperature TC is suppressed to zero temperature for Nb concentration xC=0.083+/-0.002, while the spontaneous moment vanishes linearly with TC as predicted by the Stoner theory. The initial susceptibility chi displays critical behavior for x<=xC, with a critical exponent which smoothly crosses over from the mean field to the quantum critical value. For high temperatures and x<=xC and for low temperatures and x>=xC we find that chi^(-1)=chi_o^(-1)+aT^(4/3), where chi_o^(-1) vanishes as x approaches xC. The resulting magnetic phase diagram shows that the quantum critical behavior extends over the widest range of temperatures for x=xC, and demonstrates how a finite transition temperature ferromagnet is transformed into a paramagnet, via a quantum critical point.
description: 4 pages, 4 figures. Submitted to Physical Review Letters
Land Rights and Their Impacts on Agricultural Efficiency, Investments and Land Markets in Zimbabwe
Creators: name: Mutema, Maxwell
name: Mutema, Maxwell
Publisher: name: Unknown
Year: 2003
Subjects: Land Economics/Use

description: This paper summarizes results of case studies and panel group discussions carried out in Zimbabwe recently to find out the relationship between land rights and agricultural efficiency, investment and land markets in the smallholder agricultural sector. Results indicate that primary land user rights holders in the three perceived land tenure categories studied do not see security of tenure as a major problem. The major limiting factors cited as reasons for failure to realize full agricultural production potential include lack of or problem with one of the following: draft power, labor, credit, rural-urban migration and the AIDS pandemic among others. The opposite is true of secondary user rights holders such as grown up sons living with parents and some women and other social weak groups who indicate tenure insecurity as a problem of equal magnitude to the other limitations stated above. The results also show some relationship between investment and land rights between the small-scale commercial farming sector and the other two sectors (resettlement and communal). Total credit received is not significantly related to the form of land rights enjoyed by landowners. Land markets in the three categories are thin and 'transaction costs' are high limiting the amount of agricultural land that changed hands. Women access to and control over land, and their bargaining power with their husbands and relatives about land are weak across the three categories studied.
Weyl-Dirac theory predictions on galactic scales
Creators: name: Mirabotalebi, S.
name: Jalalzadeh, S.
name: Movahed, S.
name: Sepangi, H. R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We consider the Weyl-Dirac theory within the framework of the weak field approximation and show that the resulting gravitational potential differs from that of Newtonian by a repulsive correction term increasing with distance. The scale of the correction term appears to be determined by the time variation rate of the gravitational coupling. It is shown that if the time variation rate of gravitational coupling is adopted from observational bounds, the theory can explain the rotation curves of typical spiral galaxies without resorting to dark matter. To check the consistency of our theoretical model with observation we use Likelihood analysis to find the best-fit values for the free parameters. The mean value for the most important free parameter, $β\times 10^{14} (1/yr)$, using the Top-Hat and Gaussian priors are $6.38^{+2.44}_{-3.46}_{-6.71}^{+6.18}$ and $5.72_{-1.18}^{+1.22}_{-2.69}^{+2.90}$, respectively. Although the interval for which $β$ is defined is wide, our results show that the goodness of the fit is, by and large, not sensitive to this quantity. The intergalactic effects and gravitational lensing of clusters of galaxies are estimated and seem to be consistent with observational data.
description: 16 pages, 1 figures, 4 tables, to appear in MNRAS
Generalized parton distributions from form factors
Creators: name: Diehl, M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The electromagnetic nucleon form factors provide constraints on generalized quark distributions. Key results of the study presented here are a strong dependence of the average impact parameter of quarks on their longitudinal momentum fraction, a striking difference in the t dependence of u and d quark contributions to elastic form factors, and an estimate of the orbital angular momentum carried by valence quarks in the nucleon.
description: 10 pages, 11 figures. To appear in: Procs. of the Workshop on Light-Cone QCD and Nonperturbative Hadron Physics 2005 (LC 2005), Cairns, Australia, 2005
Dynamic Modeling of the Electric Transportation Network
Creators: name: Scirè, Alessandro
name: Tuval, Idán
name: Eguíluz, Víctor M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: We introduce a model for the dynamic self-organization of the electric grid. The model is characterized by a conserved magnitude, energy, that can travel following the links of the network to satisfy nodes' load. The load fluctuates in time causing local overloads that drive the dynamic evolution of the network topology. Our model displays a transition from a fully connected network to a configuration with a non-trivial topology and where global failures are suppressed. The most efficient topology is characterized by an exponential degree distribution, in agreement with the topology of the real electric grid. The model intrinsically presents self-induced break-down events, which can be thought as representative of real black-outs.
description: (e.g. 7 pages, 5 figures)
Energy Inequalities in Quantum Field Theory
Creators: name: Fewster, Christopher J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Quantum fields are known to violate all the pointwise energy conditions of classical general relativity. We review the subject of quantum energy inequalities: lower bounds satisfied by weighted averages of the stress-energy tensor, which may be regarded as the vestiges of the classical energy conditions after quantisation. Contact is also made with thermodynamics and related issues in quantum mechanics, where such inequalities find analogues in sharp Gaarding inequalities.
description: 13pp. Expanded and updated version of a contribution to the proceedings of the XIV ICMP, Lisbon 2003
Synchronization of chaotic oscillator time scales
Creators: name: Hramov, Alexander E.
name: Koronovskii, Alexey A.
name: Levin, Yurij I.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: This paper deals with the chaotic oscillator synchronization. A new approach to detect the synchronized behaviour of chaotic oscillators has been proposed. This approach is based on the analysis of different time scales in the time series generated by the coupled chaotic oscillators. It has been shown that complete synchronization, phase synchronization, lag synchronization and generalized synchronization are the particular cases of the synchronized behavior called as "time--scale synchronization". The quantitative measure of chaotic oscillator synchronous behavior has been proposed. This approach has been applied for the coupled Rossler systems.
description: 29 pages, 11 figures, published in JETP. 100, 4 (2005) 784-794