cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
On the BKP hierarchy: additional symmetries, Fay identity and Adler-Shiota-van Moerbeke formula
Creators: name: Tu, Ming-Hsien
Publisher: name: arXiv
Year: 2006
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: We give an alternative proof of the Adler-Shiota-van Moerbeke formula for the BKP hierarchy. The proof is based on a simple expression for the generator of additional symmetries and the Fay identity of the BKP hierarchy.
description: 14 pages
Electronic and Superconducting Properties of Some FeSe-based Single Crystals and Films Grown Hydrothermally
Creators: name: Dong, Xiaoli
name: Zhou, Fang
name: Zhao, Zhongxian
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Our recent year's studies of the prototypal FeSe and molecule-intercalated (Li,Fe)OHFeSe superconductor systems are briefly reviewed here, with emphasis on experimental observations of the link between the superconductivity and normal-state electronic property in the single crystals and films. These samples were successfully synthesized by our recently developed soft-chemical hydrothermal methods, which are also briefly described. Particularly in the Mn-doped high-Tc (Li,Fe)OHFeSe film, a strong enhancement of the superconducting critical current density was achieved, which is promising for practical application of the superconductivity.
description: 28 pages, 12 figures
Spin blockade at semiconductor/ferromagnet junctions
Creators: name: Pershin, Yu. V.
name: Di Ventra, M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study theoretically extraction of spin-polarized electrons at nonmagnetic semiconductor/ferromagnet junctions. The outflow of majority spin electrons from the semiconductor into the ferromagnet leaves a cloud of minority spin electrons in the semiconductor region near the junction, forming a local spin-dipole configuration at the semiconductor/ferromagnet interface. This minority spin cloud can limit the majority spin current through the junction creating a pronounced spin-blockade at a critical current. We calculate the critical spin-blockade current in both planar and cylindrical geometries and discuss possible experimental tests of our predictions.
description: to be published in PRB
The nature of the emotions
Creators: name: Gunnarsson, Robert Vidir
Publisher: name: University of British Columbia
Year: 2009

description: The question I ask in this thesis is "What is the nature of emotions?" I then argue against essentialist answers to the question and suggest a non-essentialist approach to the study of emotions. The first chapter is a general introduction, where I try to specify what I mean by the term "emotion", without assuming anything about their nature. I do that by looking briefly at the general characteristics of some paradigm emotions. In the second chapter I argue against affect theories about emotions. My arguments turn mostly on the point that mere affects do not have the cognitive depth to account for some of the most conspicuous aspects and characteristics of emotions. The third chapter is directed against cognitive theories of emotions. I argue that the characteristics of emotions (e.g. intentionality and rationality) , which have been taken to necessitate cognitivism, can either be accounted for without beliefs or cognitions or they do not apply to all emotions. In the fourth chapter I suggest a non-essentialist approach to emotion theory. I make use of Wittgenstein's notion of family resemblance. I then try to outline the place of cognitive emotions within the family resemblance model and come to the conclusion that a cognitive essentialist model does in fact apply to certain emotion types. In the fifth and final chapter I ask myself whether anything important can be learnt about emotions from looking at their functions, i.e. at what they do instead of what they are. After looking at two accounts of the functions of emotions, and rejecting them as, at best, incomplete, I come to the conclusion that at least some emotions have the function to serve as commitment devices to carry out rational strategies.
C-deformation of Supergravity
Creators: name: Hatanaka, T.
name: Ketov, S. V.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A four-dimensional supergravity toy model in an arbitrary self-dual gravi-photon background is constructed in Euclidean space, by freezing out the gravi-photon field strength in the standard N=(1,1) extended supergravity with two non-chiral gravitini. Our model has local N=(1/2,0) supersymmetry. Consistency of the model requires the background gravi-photon field strength to be equal to the self-dual (bilinear) anti-chiral gravitino condensate.
description: 8 pages, LaTeX, no figures; small additions, few references added
Exploring the socio-technical interplay of Industry 4.0: a single case study of an Italian manufacturing organisation
Creators: name: Margherita, Emanuele Gabriel
name: Braccini, Alessio Maria
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: In this position paper, we explore the socio-technical interplay of Industry 4.0. Industry 4.0 is an industrial plan that aims at automating the production process by the adoption of advanced leading-edge technologies down the assembly line. Most of the studies employ a technical perspective that is focused on studying how to integrate various technologies and the resulting benefits for organisations. In contrast, few studies use a socio-technical perspective of Industry 4.0. We close this gap employs the socio-technical lens on an in-depth single case study of a manufacturing organisation that effectively adopted Industry 4.0 technologies. The findings of our studies shed light both on the socio-technical interplay between workers and technologies and the novel role of workers. We conclude proposing a socio-technical framework for an Industry 4.0 context.
description: Proceedings of the 6th International Workshop on Socio-Technical Perspective in IS Development (STPIS 2020), June 8-9, 2020 http://ceur-ws.org/Vol-2789/paper16.pdf
Noncommutative Quantization for Noncommutative Field Theory
Creators: name: Abe, Yasumi
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present a new procedure for quantizing field theory models on a noncommutative spacetime. The new quantization depends on the noncommutative parameter explicitly and reduces to the canonical quantization in the commutative limit. It is shown that a quantum field theory constructed by the new quantization yeilds exactly the same correlation functions as those of the commutative field theory, that is, the noncommutative effects disappear completely after quantization. This implies, for instance, that by using the new quantization, the noncommutativity can be incorporated in the process of quantization, rahter than in the action as conventionally done.
description: 21 pages, latex, added references and comments
Effective estimates for the least common multiple of some integer sequences
Creators: name: Bousla, Sid Ali
Publisher: name: arXiv
Year: 2020
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics

description: This thesis is devoted to studying estimates of the least common multiple of some integer sequences. Our study focuses on effective bounding of the $\mathrm{lcm}$ of some class of quadratic sequences, as well as arithmetic progressions and strong divisibility sequences. First, we have used methods of commutative algebra and complex analysis to establish new nontrivial lower bounds for the $\mathrm{lcm}$ of some quadratic sequences. Next, a more profound study of the arithmetic properties of strong divisibility sequences allowed us to obtain three interesting identities involving the $\mathrm{lcm}$ of these sequences, which generalizes some previous identities of Farhi (2009) and Nair (1982); as consequences, we have deduced a precise estimates for the $\mathrm{lcm}$ of generalized Fibonacci sequence (the so-called Lucas sequences). We have also developed a method that provides an effective version to the asymptotic result of Bateman (2002) concerning the $\mathrm{lcm}$ of an arithmetic progression. Finally, we found that the latter method can be adapted to estimate the $\mathrm{lcm}$ of the sequence $(n^2+1)_n$, which allowed us in particular to improve the lower bounds of Farhi (2005) and Oon (2013). The thesis also includes a general presentation of some literature results.
description: 108 pages, PhD Thesis, in French, French title: Estimations du plus petit commun multiple de certaines suites d'entiers, defended on December 02th, 2020
Fungus-Mediated Synthesis of Silver Nanoparticles and Their Activity against Gram Positive and Gram Negative Bacteria in Combination with Antibiotics
Creators: name: Krishna GUDIKANDULA, Ram Prasad METUKU
Publisher: name: Walailak University
Year: 2015
Subjects: White rot fungi, silver nanoparticles, SEM, antibiotics, antimicrobial activity

description: 7, 12, Walailak Journal of Science and Technology
The City of Chicago as Habitat
Creators: name: Smith, Alexis Dyan
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: Field research on three urban habitats in the city of Chicago, IL (USA): the cemeteries, the community gardens, and the north branch of the Chicago River. Each of these spaces offers something unique in supporting urban biodiversity. We surveyed the cemeteries for cavity-nesting birds, the community gardens for bees, and the Chicago River for aquatic birds to understand how these human-dominated spaces function as habitat. Although not explicitly managed for conservation, urban cemeteries may provide a reserve of dead and dying trees for cavity-nesting birds. We surveyed cavity-nesting birds and their habitat in 18 cemeteries in Chicago. At each location, we examined vegetation, availability of gravestones and monuments for perches, and landscape-level environmental conditions. We tested the importance of these variables for presence of individual bird species, and for overall richness of native cavity-nesting birds. Chicago hosts a robust culture of both community gardens and urban apiculturists (keepers of honey beehives). Western honey bees (Apis mellifera) are not native to North America, and their impact on wild bees is not fully understood. Through interviews with beekeepers and biodiversity surveys in 24 of Chicago’s community gardens (9 with and 15 without beehives), we contributed to this understanding by exploring questions about urban apiculturists’ perceptions and knowledge of wild bees, as well as the impact of urban apiculture on wild bees in community gardens. The Chicago River’s north branch intersects multiple urban land uses, including residential, industrial, commercial, and recreational. The north branch also supports a diversity of birds exploiting a variety of resources and structures along the river as habitat. Here we describe the bird communities along a very urban part of the Chicago River’s north branch. We compare the bird communities in four different sections, representing four different restoration or management styles influenced by land use and demographics. We discuss our results within a social context as well as a conservation context.
Searches for Long-lived Particles at the Tevatron Collider
Creators: name: Adams, T.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Several searches for long-lived particles have been performed using data from p-pbar collisions from Run II at the Tevatron. In most cases, new analysis techniques have been developed to carry out each search and/or estimate the backgrounds. These searches expand the discovery potential of the CDF and D0 experiments to new physics that may have been missed by traditional search techniques. This review discusses searches for (1) neutral, long-lived particles decaying to muons, (2) massive, neutral, long-lived particles decaying to a photon and missing energy, (3) stopped gluinos, and (4) charged massive stable particles. It summarizes some of the theoretical and experimental motivations for such searches.
description: submitted to Mod. Phys. Lett. A
A direct approach to fault-tolerance in measurement-based quantum computation via teleportation
Creators: name: Silva, Marcus
name: Danos, Vincent
name: Kashefi, Elham
name: Ollivier, Harold
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We discuss a simple variant of the one-way quantum computing model [R. Raussendorf and H.-J. Briegel, PRL 86, 5188, 2001], called the Pauli measurement model, where measurements are restricted to be along the eigenbases of the Pauli X and Y operators, while auxiliary qubits can be prepared both in the $\ket{+_{π\over 4}}:={1/\sqrt{2}}(\ket{0}+e^{i{π\over 4}}\ket{1})$ state, and the usual $\ket{+}:={1/ \sqrt{2}}(\ket{0}+\ket{1})$ state. We prove the universality of this quantum computation model, and establish a standardization procedure which permits all entanglement and state preparation to be performed at the beginning of computation. This leads us to develop a direct approach to fault-tolerance by simple transformations of the entanglement graph and preparation operations, while error correction is performed naturally via syndrome-extracting teleportations.
description: (v1) 5 pages, 2 figures (v2) Changed style file, 10 pages, 2 figures. New title. Added references to work by Fujii and Yamamoto (quant-ph/0611160), as well as prior work by R. Raussendorf and collaborators on topological codes. Minor revisions throughout. Submitted version
The Effects of Cleistanthoside A Tetraacetate Synthesis on Acute Toxicity and Bone Marrow Micronucleus in ICR Mice
Creators: name: Pranom PUCHADAPIROM, Wanwisa HIMAKHUN
Publisher: name: Walailak University
Year: 2015
Subjects: Cleistanthoside A tetraacetate, toxicity, micronucleus, Phyllanthus spp.

description: 7, 12, Walailak Journal of Science and Technology
Probabilistic Voltage Sensitivity Analysis (PVSA) to Quantify Impact of High PV Penetration on Unbalanced Distribution System
Creators: name: Munikoti, Sai
name: Natarajan, Balasubramaniam
name: Jhala, Kumarsinh
name: Lai, Kexing
Publisher: name: arXiv
Year: 2020
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: From an operational and planning perspective, it is important to quantify the impact of increasing penetration of photovoltaics on the distribution system. Most existing impact assessment studies are scenario-based where derived results are scenario specific and not generalizable. Moreover, stochasticity in the temporal behavior of spatially distributed PVs requires a large number of scenarios that increase with the size of the network and the level of penetration. Therefore, we propose a new computationally efficient analytical framework of voltage sensitivity analysis that allows for stochastic analysis of voltage change due to random changes in PV generation. We first derive an analytical approximation for voltage change at any node of the network due to change in power at other nodes in an unbalanced distribution network. The quality of this approximation is reinforced via bounds on the approximation error. Then, we derive the probability distribution of voltage change at a certain node due to random changes in power injections/consumptions at multiple locations of the network. The accuracy of the proposed PVSA is illustrated using a modified version of the IEEE 37 bus test system. The proposed PVSA can serve as a powerful tool for proactive monitoring/control and ease the computational burden associated with perturbation based cybersecurity mechanisms.
description: 10 pages, 9 figures, Preprint under review in IEEE Transactions on Power Systems
Cooperating or Fighting with Control Noise in the Optimal Manipulation of Quantum Dynamics
Creators: name: Shuang, Feng
name: Rabitz, Herschel
Publisher: name: arXiv
Year: 2006
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: This paper investigates the impact of control field noise on the optimal manipulation of quantum dynamics. Simulations are performed on several multilevel quantum systems with the goal of population transfer in the presence of significant control noise. The noise enters as run-to-run variations in the control amplitude and phase with the observation being an ensemble average over many runs as is commonly done in the laboratory. A genetic algorithm with an improved elitism operator is used to find the optimal field that either fights against or cooperates with control field noise. When seeking a high control yield it is possible to find fields that successfully fight with the noise while attaining good quality stable results. When seeking modest control yields, fields can be found which are optimally shaped to cooperate with the noise and thereby drive the dynamics more efficiently. In general, noise reduces the coherence of the dynamics, but the results indicate that population transfer objectives can be met by appropriately either fighting or cooperating with noise, even when it is intense.
description: Scientific Workplace Latex
Dam and Spillway Safety: Screening Technique to Identify Risky Auxiliary Spillways at a Large Scale
Creators: name: Sanjeeta Neupane Ghimire
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: Dam operators often do not know whether the auxiliary spillway will fail until it is loaded, which can be once every ten, fifty, or a hundred years. Such failures can result in overall dam failure leading to loss of life and substantial property damage. The purpose of this dissertation is to develop a screening technique to identify potentially risky earthen auxiliary spillways. The dissertation uses the National Inventory of Dams (NID) data and analyzes a sample of 400 earthen dams and spillways. The main innovation of the dissertation is to employ a user-defined code to create multiple input files and analyze them in the Windows Dam Analysis Modules (WinDAM) C software. This technique is more efficient than the current functionality of the software that requires input information for one dam at a time. The proposed method serves as a quick screening and decision-making tool for multiple dams and spillways, especially to be prepared for extreme events like flooding, seismic activity, etc. by identifying potentially risky auxiliary spillways that may require in-depth analysis. The application of the model is tested by using various site-specific cases that have experienced past failures and the cases that are predicted to fail in the future. A sensitivity analysis is performed to identify the individual material parameter’s influence on the overall spillway erosion. The most sensitive sets of variables are chosen to perform predictive analysis. A logistic regression model is applied to evaluate the erosion potential by incorporating a machine learning approach, and the usefulness of the model is verified using Bayesian inference. The dissertation also presents the impacts of climate change on dam safety by examining two recent Michigan dam failures, Edenville and Sanford, that failed in May 2020. The increasing temperature, precipitation, floods, etc. are observed, and the consequences are visualized with the help of WinDAM and Hydrologic Engineering Center – River Analysis System (HEC-RAS) simulations. Overall, besides the novelties presented in the model and various analyses, the dissertation provides useful insights into how the global climate change effects are hampering the watershed area, reservoir storage, and overall dam and spillway safety in the US.
Cooling of Accretion Disc Coronae by Type I X-ray Bursts
Creators: name: Speicher, J.
name: Ballantyne, D. R.
name: Malzac, J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Understanding the persistent emission is crucial for studying type I X-ray bursts, which provide insight into neutron star properties. Although accretion disc coronae appear to be common in many accreting systems, their fundamental properties remain insufficiently understood. Recent work suggests that Type I X-ray bursts from accreting neutron stars provide an opportunity to probe the characteristics of coronae. Several studies have observed hard X-ray shortages from the accretion disk during an X-ray burst implying strong coronal cooling by burst photons. Here, we use the plasma emission code EQPAIR to study the impact of X-ray bursts on coronae, and how the coronal and burst properties affect the coronal electron temperatures and emitted spectra. Assuming a constant accretion rate during the burst, our simulations show that soft photons can cool coronal electrons by a factor of $\gtrsim 10$ and cause a reduction of emission in the $30$-$50$ keV band to $\lesssim 1\%$ of the pre-burst emission. This hard X-ray drop is intensified when the coronal optical depth and aspect ratio is increased. In contrast, depending on the properties of the burst and corona, the emission in the $8$-$24$ keV band can either increase, by a factor of $\gtrsim20$, or decrease, down to $\lesssim 1\%$ of the pre-burst emission. An increasing accretion rate during the X-ray burst reduces the coronal cooling effects and the electron temperature drop can be mitigated by $\gtrsim60\%$. These results indicate that changes of the hard X-ray flux during an X-ray burst probe the geometrical properties of the corona.
description: 12 pages, 7 figures, MNRAS in press
Parlata naturale: la cucina tradizionale
Creators: name: Primicerio, Silvana
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2023
Subjects: subject: Calabrese language
subject: Maranese language
subject: ita

description: Silvana descrive come si prepara vari piatti tradizionali della zona.

Silvana describes a variety of local traditional dishes.
Small Visible Energy Scalar Top Iterative Discriminant Analysis for Different Center-of-Mass Energies
Creators: name: Sopczak, A.
name: Finch, A.
name: Freitas, A.
name: Milstene, C.
name: Schmitt, M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Light scalar top quarks with a small mass difference with respect to the neutralino mass are of particular cosmological interest. This study uses an Iterative Discriminant Analysis method to optimize the expected selection efficiency at a International Linear Collider (ILC). A previous study at sqrt(s)=260 GeV with 50 fb-1 has been extended to sqrt(s)=500 GeV with 500 fb-1, and results from both studies are compared.
description: 4 pages, 5 figures. Presented at SUSY06, the 14th International Conference on Supersymmetry and the Unification of Fundamental Interactions, UC Irvine, California, 2006
Anti-hyperalgesic effects of diclofenac and gabapentin in neuropathic pain induced by chronic constriction injured
Creators: name: Ramos, Janette Corona
name: Osmar Jaramillo-Morales
name: Espinosa-Juárez, Josue
name: López-Muñoz, Francisco
Publisher: name: F1000Research
Year: 2015

description: In this study the anti-hyperalgesic and anti-allodynic effect of anti-inflammatory drugs (NSAID) diclofenac (0.1, 0.3, 1.0, 3.2, 10 mg/kg, po) and these same doses of diclofenac in combination with gabapentin (10 mg / kg, po) in a rat model  were evaluated and their adverse effects on motor coordination, weight change and gastric damage. Diclofenac has a mechanism of action through inhibition of COX-1 and COX-2,  whereas gabapentin acts on α2d subunit calcium channel voltage dependent. The drug administration was performed using an acute treatment (single dose) and chronic treatment (twice daily for seven days). Mechanical hyperalgesia in behavioral tests was performed with von Frey filament of 15 g.

It was evaluated their adverse effects on gastric damage, it was done to determination of size and among of ulcers in stomach. Also it was determined weight change, in this test, the animals was weighted everyday for during treatment.

In a neuropathic pain model by chronic constriction of the sciatic nerve (CCI), we showed that Diclofenac given anti-hyperalgesic effect, while that combined with gabapentin shows subadditive effect in certain doses. The weight of animal’s decreases with higher doses; gastric damage is fewer with drugs combination, in neuropathic pain model by chronic constriction of the sciatic nerve.
Individual Barkhausen pulses of ferroelastic nanodomains
Creators: name: Ignatans, Reinis
name: Damjanovic, Dragan
name: Tileli, Vasiliki
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Ferroelectric materials, upon electric field biasing, display polarization discontinuities known as Barkhausen jumps, a subclass of a more general phenomenon known as crackling noise. Herein, we follow at the nanoscale the motion of 90 degree needle domains induced by an electric field applied in the polarization direction of the prototypical ferroelectric BaTiO3, inside a transmission electron microscope. The nature of motion and periodicity of Barkhausen pulses leads to real-time visualization of distinctive interaction mechanisms of the domains with each other but without coming into contact, a mechanism that has not been observed before, or/and with the lattice where the domain walls appear to be moving through the dielectric medium relatively freely, experiencing weak Peierls-like potentials. Control over the kinetics of ferroelastic domain wall motion can lead to novel nanoelectronic devices pertinent to computing and storage applications.
Analysis of the Formation of Structures and Chaotic Dynamics in a Nonrelativistic Electron Beam with a Virtual Cathode in the Presence of a Decelerating Field
Creators: name: Egorov, E. N.
name: Kalinin, Yu. A.
name: Koronovskii, A. A.
name: Levin, Yu. I.
name: Hramov, A. E.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: A nonrelativistic electron beam with a virtual cathode situated in the diode gap with a decelerating field is experimentally and theoretically studied. A 1D model of the electron beam in the presence of a decelerating field is constructed. Nonlinear nonstationary processes in this system are investigated by means of numerical analysis of the model. The processes are described and interpreted with regard to formation and interaction of structures in the electron flow. The theoretical results are qualitatively confirmed by the experimental data showing that the system under study can be considered as a promising controlled source of chaotic oscillations in the microwave range.
description: 13 pages, 12 figures
HST NICMOS imaging of z~2, 24 micron-selected Ultraluminous Infrared Galaxies
Creators: name: Dasyra, Kalliopi M.
name: Yan, Lin
name: Helou, George
name: Surace, Jason
name: Sajina, Anna
name: Colbert, James
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present Hubble Space Telescope NICMOS H-band imaging of 33 Ultraluminous Infrared Galaxies (ULIRGs) at z~2 that were selected from the 24 micron catalog of the Spitzer Extragalactic First Look Survey. The images reveal that at least 17 of the 33 objects are associated with interactions. Up to one fifth of the sources in our sample could be minor mergers whereas only 2 systems are merging binaries with luminosity ratio <=3:1, which is characteristic of local ULIRGs. The rest-frame optical luminosities of the sources are of the order 10^10-10^11 L_sun and their effective radii range from 1.4 to 4.9 kpc. The most compact sources are either those with a strong active nucleus continuum or those with a heavy obscuration in the mid-infrared regime, as determined from Spitzer Infra-Red Spectrograph data. The luminosity of the 7.7 micron feature produced by polycyclic aromatic hydrocarbon molecules varies significantly among compact systems whereas it is typically large for extended systems. A bulge-to-disk decomposition performed for the 6 brightest (m_H<20) sources in our sample indicates that they are best fit by disk-like profiles with small or negligible bulges, unlike the bulge-dominated remnants of local ULIRGs. Our results provide evidence that the interactions associated with ultraluminous infrared activity at z~2 can differ from those at z~0.
description: ApJ, in press. Document revised to match the journal version
Pain management after surgical operations, the difference of use diclofenac vs tramadol
Creators: name: Bytyqi, Adem
Publisher: name: F1000Research
Year: 2015

description: Postoperative pain is common in recovery room after surgical operations. The aim of this study was to compare the postoperative use of diclofenac versus tramadol at patients undergoing cholecystectomia laparoscopica operations.

Data was collected using International Pain Outcomes questionnaire and medical documentations where are prescribed analgesics. Patients were divided in two groups (group A n=60 using diclofenac 75mg, and group B n=60 using tramadol 100mg).
Micromagnetic Simulations of Circular Nano-magnets for Room Operable Quantum Cellular Automata
Creators: name: Tejumade Durowade
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: New quantum computing regimes are being explored to replace traditional scaling of metal-oxide-semiconductor (MOS) transistors based on Moore’s Law. Nanomagnets hold significant potential as room operable Quantum Cellular Automata (QCA), the building blocks for quantum computers. Bistability is based on stable ground magnetization states, meaning power dissipation is extremely low, and their small size allows magnetization to be maintained for a long period time. Packing density is on the order of 1010/cm2 and switching frequency in the terahertz range, allowing them to potentially compete with state-of-the-art MOS. This work explores the viability of circular nanomagnets as QCA using micro-magnetic simulations. Circular nanomagnets are special because their magnetization forms a closed vortex when no external field is present meaning logic states can be represented using the chirality the magnetization. These simulations offer insight into how the switching process within these elements evolve since current experimental techniques lack the combined temporal and spatial resolution needed. Entanglement and tunability of interactions through physical contact of elements in linear chains is investigated. Like gears in a mechanical system, the chirality of the magnetization in each nanomagnet is determined through interaction with its neighbors. The quantum exchange force, at the point of contact between elements causes the magnetization vectors to rotate in the same direction giving rise to opposite chiralities in the neighboring elements. Elements in different configurations can potentially be used to implement elementary or complex logic functions. The simulations done herein represent a first step into the exploration of nanomagents for the quantum computing regime.
The Hercules-Aquila Cloud
Creators: name: Belokurov, V.
name: Evans, N. W.
name: Bell, E. F.
name: Irwin, M. J.
name: Hewett, P. C.
name: Koposov, S.
name: Rockosi, C. M.
name: Gilmore, G.
name: Zucker, D. B.
name: Fellhauer, M.
name: Wilkinson, M. I.
name: Bramich, D. M.
name: Vidrih, S.
name: Rix, H. -W.
name: Beers, T. C.
name: Schneider, D. P.
name: Barentine, J. C.
name: Brewington, H.
name: Brinkmann, J.
name: Harvanek, M.
name: Krzesinski, J.
name: Long, D.
name: Pan, K.
name: Snedden, S. A.
name: Malanushenko, O.
name: Malanushenko, V.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present evidence for a substantial overdensity of stars in the direction of the constellations of Hercules and Aquila. The Cloud is centered at a Galactic longitude of about 40 degrees and extends above and below the Galactic plane by at least 50 degrees. Given its off-centeredness and height, it is unlikely that the Hercules-Aquila Cloud is related to the bulge or thick disk. More likely, this is a new structural component of the Galaxy that passes through the disk. The Cloud stretches about 80 degrees in longitude. Its heliocentric distance lies between 10 and 20 kpc so that the extent of the Cloud in projection is roughly 20 kpc by 15 kpc. It has an absolute magnitude of -13 and its stellar population appears to be comparable to, but somewhat more metal-rich than, M92.
description: ApJ (Letters), in press
Optimal risk management strategies for a cattle backgrounding operation in the Peace River area
Creators: name: Klee, Felix Wilhem Peter
Publisher: name: University of British Columbia
Year: 2009

description: Backgrounding cattle is risky. Large amounts of short-term capital are required to buy feeders and feedstuffs, and a ten month cost-revenue gap makes financial planning difficult. In addition, finished cattle prices are volatile and, frankly, unknown at the time the management places its feeders. Income risk and financial risk must be addressed by the management. Several strategies are available to reduce return risk, including anticipatory hedging with cattle futures contracts, placing custom feeders, placing feeders at different months and investing off-farm. This study developed a shot-term decision making model for a backgrounding operation that addresses the interaction between feeder ownership options, the feeder placement month, cash flow requirements, hedging alternatives, off-farm investments, the line of credit and the management's degree of risk-aversity. The following backgrounding issues were examined: (1) whether participation in a classical hedging program with Feeder and Live Cattle contracts would result in lower farm return variability and would increase owned feeder placements, (2) whether managements would be deterred from using hedging strategies if a gradually increasing downward BIAS was introduced, (3) whether managements would be deterred from using hedging strategies if margin calls had to be deposited during the hedging period and (4) to what extent cash flow constraints would affect the management's decision set. The literature of decision making under uncertainty was reviewed to determine the approach which would best accommodate the backgrounding management's risk concerns. The Expected Value-Variance analysis was identified to formulate these management concerns in a mathematical programming context. A quadratic programming model was chosen to derive the expected return and return standard deviation frontiers (risk-efficient frontiers). The participation in an anticipatory hedging program provided a compelling risk management tool for reducing the backgrounding operation's return variability. Compared to the no-hedging case, the standard deviation of returns was almost cut by half for the hedging case. The introduction of a downward BIAS reduced hedging ratios drastically, whereas margin calls hardly effected the use of hedging. Custom feeders proved themselves essential in closing the typical cost-revenue gap in backgrounding and, despite offering the lowest returns, enabled the backgrounder to engage in more risky activities.
Ensuring Safety of an Autonomous Vehicle with a Neural Network Perception
Creators: name: Milone, Jacopo
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: The continuous technology development both in the field of simulations and neural networks is making Autonomous Driving (AD) more and more appealing for researchers. In order to make the AD a reality that would change our lives on a daily routine basis, the work is divided into two main branches: computer vision and control algorithms improvement. The ultimate goal of the research community is to improve the safety of the autonomous vehicles so that they can overcome the already very high safety of human drivers. The goal of the work is to monitor an autonomous vehicle exploiting a set of Neural Networks for the perception of the surrounding and the prediction of the other traffic participants behavior in order to improve the safety. The scenario is developed using the open source simulator CARLA. The autonomous vehicle is controlled by a PID controller and is equipped with a Radar for the data perception. The Neural Networks are two feedforward networks responsible for the classification of the data and for the prediction of the future radar readings, and a LSTM network responsible for the prediction of the next state of the autonomous car. The behavior of the other traffic participant, which in this case is a leading vehicle, is implemented to be random, and as a consequence the prediction of its next state comes from a random FSM. All the probabilities used for the FSM are arbitrarily assigned trying to reproduce the human behavior in the real world.
Automating Analysis of Neutron Scattering Time-of-Flight Single Crystal Phonon Data
Creators: name: Reznik, D.
name: Ahmadova, I.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: This article introduces software called Phonon Explorer that implements a data mining workflow for large datasets of the neutron scattering function, S(Q, ω), measured on time-of-flight neutron spectrometers. This systematic approach takes advantage of all useful data contained in the dataset. It includes finding Brillouin zones where specific phonons have the highest scattering intensity, background subtraction, combining statistics in multiple Brillouin zones, and separating closely spaced phonon peaks. Using the software reduces the time needed to determine phonon dispersions, linewidths, and eigenvectors by more than an order of magnitude.
AGN Observations with the MAGIC Telescope
Creators: name: Bigongiari, Ciro
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: MAGIC is presently the imaging atmospheric Cherenkov telescope with the largest reflecting surface and the lowest energy threshold. MAGIC concluded its first year of regular observation in April 2006. During this period and the preceding commissioning phase, 25 Active Galactic Nuclei have been observed and VHE gamma-ray emission has been confirmed by 4 of them. Two more AGNs have been detected as gamma-ray sources with high statistical significance for the first time. We report in this paper the results obtained analyzing data of the detected sources. Temporal and spectral properties of detected signals are shown and discussed.
description: 8 pages, 9 figures. To be published on the proceedings of IV workshop on "Science with the New Generation of High Energy Gamma-Ray Experiments", 20-22 June 2006, Portoferraio, Isola d'Elba, Italy
The Formation of Polar Disk Galaxies
Creators: name: Brook, Chris B.
name: Governato, Fabio
name: Quinn, Thomas
name: Wadsley, James
name: Brooks, Alyson M.
name: Willman, Beth
name: Stilp, Adrienne
name: Jonsson, Patrik
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Polar Ring Galaxies, such as NGC4650A, are a class of galaxy which have two kinematically distinct components that are inclined by almost 90 degrees to each other. These striking galaxies challenge our understanding of how galaxies form; the origin of their distinct components has remained uncertain, and the subject of much debate. We use high-resolution cosmological simulations of galaxy formation to show that Polar Ring Galaxies are simply an extreme example of the angular moment misalignment that occurs during the hierarchical structure formation characteristic of Cold Dark Matter cosmology. In our model, Polar Ring Galaxies form through the continuous accretion of gas whose angular momentum is misaligned with the central galaxy.
description: Submitted to ApJ. 8 pages in emulate ApJ style. 2 associated animations are found at: http://www.youtube.com/watch?v=c-H3WzaewdY http://www.youtube.com/watch?v=9Xf3fJkgWEg
A Search for EUV Emission from Comets with the Cosmic Hot Interstellar Plasma Spectrometer (CHIPS)
Creators: name: Sasseen, T. P.
name: Hurwitz, M.
name: Lisse, C. M.
name: Kharchenko, V.
name: Christian, D.
name: Wolk, S. J.
name: Sirk, M. M.
name: Dalgarno, A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have obtained EUV spectra between 90 and 255 Åof the cometsC/2002 T7 (LINEAR), C/2001 Q4 (NEAT), and C/2004 Q2 (Machholz) near their perihelion passages in 2004 with the Cosmic Hot Interstellar Plasma Spectrometer (CHIPS). We obtained contemporaneous data on Comet NEAT Q4 with the $Chandra$ X-ray Observatory ACIS instrument, marking the first simultaneous EUV and X-ray spectral observations of a comet. The total CHIPS/EUV observing times were 337 ks for Q4, 234 ks for T7, and 483 ks for Machholz and for both CHIPS and $Chandra$ we calculate we have captured all the comet flux in the instrument field of view. We set upper limits on solar wind charge exchange emission lines of O, C, N, Ne and Fe occurring in the spectral bandpass of CHIPS. The spectrum of Q4 obtained with $Chandra$ can be reproduced by modeling emission lines of C, N O, Mg, Fe, Si, S, and Ne solar wind ions. The measured X-ray emission line intensities are consistent with our predictions from a solar wind charge exchange model. The model predictions for the EUV emission line intensities are determined from the intensity ratios of the cascading X-ray and EUV photons arising in the charge exchange processes. They are compatible with the measured limits on the intensities of the EUV lines. For comet Q4, we measured a total X-ray flux of 3.7$\times 10^{-12}$ ergs cm$^{-2}$ s$^{-1}$, and derive from model predictions a total EUV flux of 1.5$\times 10^{-12}$ erg cm$^{-2}$ s$^{-1}$. The CHIPS observations occurred predominantly while the satellite was on the dayside of Earth. For much of the observing time, CHIPS performed observations at smaller solar angles than it was designed for and EUV emission from the Sun scattered into the instrument limited the sensitivity of the EUV measurements.
description: 28 pages total, 4 tables, 7 figures. Accepted by The Astrophysical Journal
Thermoelectricity of Tin Selenide Monolayers Across a Structural Phase Transition
Creators: name: Villanova, John W.
name: Barraza-Lopez, Salvador
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: SnSe monolayers experience a temperature induced two-dimensional Pnm2$_1 \to$ P4/nmm structural transformation precipitated by the softening of vibrational modes. The standard theoretical treatment of thermoelectricity---which relies on a zero temperature phonon dispersion and on a zero temperature electronic structure---is incapable of describing thermoelectric phenomena induced by structural transformations. Relying on structural data obtained from {\em ab initio} molecular dynamics calculations that is utilized in a non-standard way to inform of electronic and vibrational transport coefficients, the present work establishes a general route to understand thermoelectricity across phase transitions. Similar to recent experimental observations pointing to an overestimated thermoelectric figure of merit $ZT$ past the transition temperature, our work indicates a smaller $ZT$ when compared to its value predicted by the standard paradigm. Its decrease is related to the dramatic changes in the electrical conductivity and lattice thermal conductivity as the structural transformation ensues. Though exemplified on a SnSe monolayer, the method does not have any built-in assumptions concerning dimensionality, and thus applicable to arbitrary thermoelectric materials in one, two, and three dimensions.
description: Originally submitted on May 12, 2020
Pedagogical practices used in brazilian occupational therapy undergraduate programs during the COVID-19 pandemic: a scoping review protocol
Creators: name: Coelho, Flavia Dos Santos
name: Barbosa, Pedro Henrique Gonçalves
Publisher: name: OSF
Year: 2024
Subjects: Covid-19
Occupational Therapy
Teaching
University

description: The Covid-19 pandemic has caused major changes in everyday life and in the functioning of social institutions. In higher education, strategies had to be put in place to meet the demands of students and professors in the teaching-learning process, with focus on Brazilian occupational therapy. This literature scoping review protocol aims to characterize the pedagogical strategies used by Brazilian undergraduate occupational therapy professors during the Covid-19 pandemic. The literature scoping review will be guided by the Joanna Briggs Institute methodology. The search will take place in the Latin American and Caribbean Literature in Health Sciences databases, via the Virtual Health Library, Scientific Electronic Library Online, Scopus, and in five Latin American occupational therapy journals not yet indexed in these databases. The search strategy will consist of descriptors in English via MeSH (Medical Subject Headings) and DeCS (Descriptors in Health Sciences). Quantitative, qualitative and mixed studies from March 2020 to December 2024 will be included in English, Portuguese and Spanish, adopting eligibility criteria based on the PCC (Population, Concept, Context) strategy. The data analysis, selection and extraction process will be carried out by independent reviewers. The data will be presented using diagrams, maps and/or tabular drawings. Through description and categorization, a qualitative analysis will accompany the mapped results, correlating them to the objective and research question of the scoping review. We believe that the work will foster critical reflexivity and guide Brazilian undergraduate teaching in occupational therapy.
Completely integrable sector in 5D Einstein-Maxwell gravity and derivation of the dipole black ring solutions
Creators: name: Yazadjiev, Stoytcho S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider 5D Einstein-Maxwell (EM) gravity in spacetimes with three commuting Killing vectors: one timelike and two spacelike Killing vectors one of them being hypersurface-orthogonal. Assuming a special ansatz for the Maxwell field we show that the 2-dimensional reduced EM equations are completely integrable by deriving a Lax-pair presentation. We also develop a solution generating method for explicit construction of exact EM solutions with considered symmetries. We also derive explicitly a new rotating six parametric 5D EM solution which includes the dipole black ring solution as a particular case.
description: LaTex, 13 pages; v2 some typos corrected, references added;v3 more typos corrected, more references added, some explanations expanded, PRD
Parlata naturale: tradizioni festive
Creators: name: Presta, Antonella
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2023
Subjects: subject: Calabrese language
subject: ita

description: Antonella descrive certe tradizioni festive. Si sente il suo vicino, Giuseppe, in sottofondo.

Antonella describes various holiday traditions. Her neighbor, Giuseppe, chimes in in the background.