cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Spin Bath Decoherence Mediated by Phonons
Creators: name: Bozat, O.
name: Gedik, Z.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We introduce an exactly solvable model to study decoherence of a central spin interacting with a spin bath where the coupling is mediated by phonons which we assume to be in a coherent state or thermal distribution. For the coherent state case, we find that the decoherence factor decays in a Gaussian fashion and it becomes independent of the phonon frequencies at short times. If the phonon energies are much larger than spin-phonon coupling or bath spins are fully polarized, decoherence time becomes independent of the initial phonon state. For the thermal state case, phonons play more important role in decoherence with increasing temperature. We also discuss possible effects of the temperature on spin bath contribution to decoherence.
description: 8 pages, no figures, to appear in Solid State Communications
The verification of relationships for effective stress method to evaluate liquefaction potential of saturated sands
Creators: name: Bhatia, Shobha K.
Publisher: name: University of British Columbia
Year: 2010

description: The constitutive relationships proposed by Finn, Lee and Martin (1977) for the effective stress analysis of saturated sands during earthquakes are studied. The basic assumptions of their porewater pressure model appears to be well founded. There is a strong verification of a unique relationship between volumetric strain in drained tests and pore-water pressures in undrained tests for both normally and overconsolidated sands. An important point to emerge from this study is that the rebound modulus used in converting the volumetric strains to porewater pressures should be measured under dynamic conditions. The porewater pressure model predicts successfully the porewater pressure response under undrained conditions for uniform and irregular cyclic strain and stress histories. When the porewater pressure model is coupled with a non-linear stress-strain relationship in effective stress analysis, it predicts realistic porewater pressure response in undrained tests for cyclic stress histories representative of earthquake loading. Results suggest that strain-hardening effects do not occur unless the sand is allowed to drain. A new porewater pressure model based on endochronic theory is presented in which the porewater pressures are directly related to dynamic response parameters. This approach bypasses the need for converting volumetric strains to porewater pressures. The proposed formulation relates porewater pressure to a single monotonically increasing function of a damage parameter. This parameter allows the data from constant strain or stress cyclic loading tests to be applied directly to predict the porewater pressure generated in the field by irregular stress or strain histories due to earthquakes. This formulation is an extremely efficient way of representing a large amount of data and can be easily coupled with dynamic response analysis to perform effective stress analysis. This study is based on extensive experimental data on Ottawa sand, crystal silica sand and Toyoura sand. In total, one hundred and fifty tests were performed for this study. The tests were performed under cyclic simple shear conditions using Roscoe type simple shear apparatus. Dry sand was used for both the drained and constant volume tests conducted for this study. The tests were performed under both stress controlled and strain controlled conditions.
On the equivalence between Implicit Regularization and Constrained Differential Renormalization
Creators: name: Pontes, Carlos R.
name: Scarpelli, A. P. Baêta
name: Sampaio, Marcos
name: Acebal, J. L.
name: Nemes, M. C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Constrained Differential Renormalization (CDR) and the constrained version of Implicit Regularization (IR) are two regularization independent techniques that do not rely on dimensional continuation of the space-time. These two methods which have rather distinct basis have been successfully applied to several calculations which show that they can be trusted as practical, symmetry invariant frameworks (gauge and supersymmetry included) in perturbative computations even beyond one-loop order. In this paper, we show the equivalence between these two methods at one-loop order. We show that the configuration space rules of CDR can be mapped into the momentum space procedures of Implicit Regularization, the major principle behind this equivalence being the extension of the properties of regular distributions to the regularized ones.
description: 16 pages
In-situ testing of soil with emphasis on its application to liquefaction assessment
Creators: name: Robertson, Peter Kay
Publisher: name: University of British Columbia
Year: 2010

description: The major objective of this research was to advance the state of the art in interpretation and application of results from in-situ testing of soil, in particular the Cone Penetration Test (CPT), the Self-boring Pressuremeter Test (SBPMT) and the Flat Plate Dilatometer Test (DMT). This study critically examines the equipment, field procedures and methods of test interpretation so that improvements can be made in their application to field liquefaction assessment. Improvements to in-situ test equipment and procedures are proposed. Improvements for the interpretation of CPT data in sands for evaluating relative density, friction angle and modulus are made. A method for prediction of deformation characteristics of clay from CPT data is proposed by incorporating the influence of soil stiffness. A correlation between cyclic stress ratio to cause liquefaction (10 percent double amplitude shear strain) and cone penetration resistance is proposed for sands and silty sands. The proposed CPT liquefaction correlation is substantiated using data from B.C., Japan, China and U.S.A. and appears to represent a good lower bound. The addition of continuous pore pressure measurements during cone penetration is shown to significantly improve the interpretation of the CPT. Data is also presented that clarifies the correlation between the Standard Penetration Test (SPT) and the CPT. Improvements are suggested for the interpretation of SBPMT data in sands for friction angle and modulus. These improvements are applied to the assessment of liquefaction resistance using the SBPMT. New correlations are proposed for estimating the relative density and liquefaction resistance of sand using the results from DMT. A field and laboratory study is carried out to evaluate existing and proposed methods of interpretation of in-situ tests and their application to the assessment of liquefaction resistance. In general the proposed new correlations produce good results, although further field verification is required.
Experimental Generation of Intrinsic Localized Modes in a discrete electrical transmission line
Creators: name: Stearrett, Ryan
name: English, L. Q.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: Experimental evidence for the generation of intrinsic localized modes (ILMs) in a nonlinear electrical transmission line is presented both via modulational instability (MI) of the uniform mode and via driving the lattice locally. The spatial profiles of these modes localized on the order of the lattice spacing can be directly measured in this macroscopic lattice, in contrast to most other systems where ILMs have so far been detected.
description: 5 pages, 9 figures
Superfluid Bose gas in two dimensions
Creators: name: Floerchinger, S.
name: Wetterich, C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We investigate Bose-Einstein condensation for ultracold bosonic atoms in two-dimensional systems. The functional renormalization group for the average action allows us to follow the effective interactions from molecular scales (microphysics) to the characteristic extension of the probe $l$ (macrophysics). In two dimensions the scale dependence of the dimensionless interaction strength $λ$ is logarithmic. Furthermore, for large $l$ the frequency dependence of the inverse propagator becomes quadratic. We find an upper bound for $λ$, and for large $λ$ substantial deviations from the Bogoliubov results for the condensate depletion, the dispersion relation and the sound velocity. The melting of the condensate above the critical temperature $T_c$ is associated to a phase transition of the Kosterlitz-Thouless type. The critical temperature in units of the density, $T_c/n$, vanishes for $l\to\infty$ logarithmically.
description: 10 pages, 12 figures, reference added
Noise from metallic surfaces -- effects of charge diffusion
Creators: name: Henkel, Carsten
name: Horovitz, Baruch
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Non-local electrodynamic models are developed for describing metallic surfaces for a diffusive metal. The electric field noise at a distance z_0 from the surface is evaluated and compared with data from ion chips that show anomalous heating with a noise power decaying as z_0^{-4}. We find that high surface diffusion can account for the latter result.
description: 16 pages, 2 figures. Revised version focusing on charge diffusing and anomalous heating
Cephalopholis taeniops
Creators: name: Heemstra, P. C.
Publisher: name: Zenodo
Year: 1991
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Perciformes
Serranidae
Cephalopholis
Cephalopholis taeniops

description: Cephalopholis taeniops (VALENCIENNES, 1828)
Fig. U. 3
Serranus taeniops VALENCIENNES, in Cuv. & VAL., 1828: 307 (type locality, Cape Verde Islands; syntypes at MNHN [see BAUCHOT et al., 1984]). DUMÉRIL, 1861: 261; GÜNTHER, 1859: 121; TROSCHEL, 1866: 195; CAPELLO, 1871: 194; STEINDACHNER, 1882: 20, Pl. 1, Fig. 1.
Epinephelus taeniops: BOULENGER, 1895: 186; PELLEGRIN, 1914: 39; CHABANAUD & MONOD, 1927: 262.
Cephalopholis taeniops: FOWLER, 1919: 209; 1936: 750, Fig. 332; CADENAT, 1935: 393, Fin. 7 (wpied from STEINDACHNER, 1882); 1951: 189, Fig. 121; PoLL, 1954; 47, Fig. 12, Pl. 3; SÉREI, 1981: 150 (excellent colour painting).
Diagnosis: Dorsal fin IX, 15- 16; anal fin III,9-10; pectoral fin rays 18 - 19; lateral-line scales 68-72; lateral scale series 114- 122; gill-rakers 8 + 15- 16; 5 or 6 rudiments on each limb. Body depth distinctly less than head length, contained 2.8-3.2 times in SL (for ﬁsh 22-34 cm. SL); head length 2.7-3.0 times in SL; pectoral ﬁns 1.5 - 1.7 times in head length; pelvic fins reaching or nearly reaching anus. Caudal fin rounded; dorsal fin membranes distinctly indented between the spines. Interorbital area convex; preopercle rounded, finely serrate, the lower edge ﬂeshy; subopercle and interopercle interopercle with a few small serrae covered with skin; upper edge of operculum convex. Maxilla scaly, reaching vertical at rear edge of eye or beyond. Lateral body scales ctenoid, without auxiliary scales.
Colour: Reddish orange, the head, body and median fins covered with small blue spots; fins blackish distally, the soft dorsal, caudal and anal ﬁns with a narrow bluish margin; horizontal blue line just below eye. CADENAT (1951) and SÉRET (1981) mentioned a black variety that also has blue spots; it is much less common than the orange variety
According to SÉRET (1981), C. taeniops attains 40 cm. Reports of larger specimens are dubious.
GEOGRAPHICAL DISTRBUTION
Eastern Atlantic from West Sahara to Angola, including the Cape Verde Islands, Principe Island and São Tomé Island. Reports from the Western Atlantic (STEINDACHNER, 1882) are probably the result of Confusion with Cephalopholis fulva.
REMARKS
Cephalopholis taeniops prefers sandy and rocky bottoms in depths of 20-200 m. B. SÉRET informs me that this species is now imported from Sénégal and marketted in France. It is an important species in the fishery at Dakar.
MATERIAL EXAMINED
CAPE VERDE ISLANDS: MNHN A. 7720 (31 cm), holotype of Serranus taeniops VALENCIENNES; MNHN 1962-74 (162 mm.); Porto Praia, MNHN 6233 (220 mm.). SÉNÉGAL: Dakar, CAS/ SU 15899 (130 mm.); MNHN 7263 (175 mm.). SÃO TOMÉ: MNHN 1900-293 (134 mm.).
description: Published as part of Heemstra, P. C., 1991, A Taxonomic Revision Of The Eastern Atlantic Groupers (Pisces: Serranidae), pp. 5-71 in Bol. Mus. Mun. Funchal 43 (226) on pages 13-14, DOI: 10.5281/zenodo.12168227
Dynamically Generated Double Occupancy as a Probe of Cold Atom Systems
Creators: name: Huber, S. D.
name: Rüegg, A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The experimental investigation of quantum phases in optical lattice systems provides major challenges. Recently, dynamical generation of double occupancy via modulation of the hopping amplitude t has been used to characterize the strongly correlated phase of fermionic atoms. Here, we want to validate this experimental technique with a theoretical study of the driven Hubbard model using analytic methods. We find that conclusive evidence for a Mott phase can be inferred from such a measurement, provided that sufficiently low temperatures kT<
description: 5 pages, 3 figures
Classicality of spin states
Creators: name: Giraud, Olivier
name: Braun, Petr
name: Braun, Daniel
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We extend the concept of classicality in quantum optics to spin states. We call a state ``classical'' if its density matrix can be decomposed as a weighted sum of angular momentum coherent states with positive weights. Classical spin states form a convex set C, which we fully characterize for a spin-1/2 and a spin-1. For arbitrary spin, we provide ``non-classicality witnesses''. For bipartite systems, C forms a subset of all separable states. A state of two spins-1/2 belongs to C if and only if it is separable, whereas for a spin-1/2 coupled to a spin-1, there are separable states which do not belong to C. We show that in general the question whether a state is in C can be answered by a linear programming algorithm.
description: 9 pages revtex, 1 figure eps; includes tcilatex.tex
Coyotes and Opossums and Foxes, Oh My! Doing Citizen Science with the Library
Creators: name: Sheffield, Silvia
Publisher: name: Zenodo
Year: 2021

description: Sheffield, S. (2017). Coyotes and Opossums and Foxes, Oh My! Doing Citizen Science with the Library. Presentation given at the 13th Annual Joyner Library Paraprofessional Conference, Greenville, NC.
Automated Workers Ergonomic Risk Assessment in Manual Material Handling using sEMG Wearable Sensors and Machine Learning
Creators: name: Mudiyanselage, Srimantha E.
name: Nguyen, Phuong H. D.
name: Rajabi, Mohammad Sadra
name: Akhavian, Reza
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Signal Processing (eess.SP)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Manual material handling tasks have the potential to be highly unsafe from an ergonomic viewpoint. Safety inspections to monitor body postures can help mitigate ergonomic risks of material handling. However, the real effect of awkward muscle movements, strains, and excessive forces that may result in an injury may not be identified by external cues. This paper evaluates the ability of surface electromyogram (EMG)-based systems together with machine learning algorithms to automatically detect body movements that may harm muscles in material handling. The analysis utilized a lifting equation developed by the U.S. National Institute for Occupational Safety and Health (NIOSH). This equation determines a Recommended Weight Limit, which suggests the maximum acceptable weight that a healthy worker can lift and carry as well as a Lifting Index value to assess the risk extent. Four different machine learning models, namely Decision Tree, Support Vector Machine, K-Nearest Neighbor, and Random Forest are developed to classify the risk assessments calculated based on the NIOSH lifting equation. The sensitivity of the models to various parameters is also evaluated to find the best performance using each algorithm. Results indicate that Decision Tree models have the potential to predict the risk level with close to 99.35% accuracy.
Quality assessment of ultra-thin CMOS sensors for the Micro Vertex Detector of the CBM experiment at FAIR
Creators: name: Koziel, M.
name: Bialas, N.
name: Deveaux, M.
name: Milanovic, B.
name: Stroth, J.
Publisher: name: GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
Year: 2014
Subjects: Physics

description: GSI Scientific Report 2013 - GSI Report 2014-1
MUSIQANI O'QITISH METODIKASI VA PEDAGOGIK DIAGNOSTIKA QILISH TEXNOLOGIYASI
Creators: name: Nurdinov, Qamardin
Publisher: name: Zenodo
Year: 2023

description: Mazkur maqolada ta’lim jarayonida musiqa o’qitish metodikasining tuzilish shakli va unda pedagogik diagnostika qilish texnologiyasi haqida ilmiy-munozaralar yuritiladi.
21st Century Learner Self-Report Feedback Inventories: A review and defence of psychometric approaches
Creators: name: Brown, Gavin
Publisher: name: The University of Auckland
Year: 2021
Subjects: subject: 170103 Educational Psychology
subject: FOS: Psychology

description: This is a preprint systematic review evaluating the psychometric properties of 14 inventories around student perceptions of feedback. It reviews 25 studies that have replicated to some extent one or more of those inventories. The manuscript is also submitted to a journal.
Model study of sloped tailings deposits
Creators: name: Stuckert, Brian John-Adam
Publisher: name: University of British Columbia
Year: 2010

description: Present tailings disposal methods are subject to limitations that warrent the development of alternative disposal techniques. A recently proposed method is the thickened discharge disposal method, which involves sloping tailings towards a downstream embankment, thereby reducing the height of the embankment required to store a given volume of waste material. The seismic stability of such slopes is a concern and model studies were performed to investigate their stability. The model was composed of a sloped deposit of fine sand 81 cm long, 20 cm wide and a downstream barrier 14 cm high. Slopes ranging from 4 to 14 percent were subjected to base accelerations ranging from .025 g to .10 g. Test deposits subjected to accelerations above a critical acceleration, dependent on the slope angle, were observed to liquefy and flow. These test deposits came to rest at a final slope of approximately one percent. Model deformations were recorded and liquefied deposits were observed to behave similarly to a viscous fluid. A viscous fluid model was found to predict actual partical displacements reasonably well. Although application of test results may be limited to size effects, it seems appropriate to analyze liquified cohesionless material as a viscous fluid. It is suggested that a statically stable sloped tailings deposit, upon liquefaction to a significant depth, may become unstable. The resulting flow, governed by post-liquefaction mechanical properties, could overtop a downstream embankment.
TMBuD: A dataset for urban scene building detection
Creators: name: Ciprian, Orhei
name: Silviu, Vert
name: Muguras, Mocofan
name: Radu, Vasiu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Building recognition and 3D reconstruction of human made structures in urban scenarios has become an interesting and actual topic in the image processing domain. For this research topic the Computer Vision and Augmented Reality areas intersect for creating a better understanding of the urban scenario for various topics. In this paper we aim to introduce a dataset solution, the TMBuD, that is better fitted for image processing on human made structures for urban scene scenarios. The proposed dataset will allow proper evaluation of salient edges and semantic segmentation of images focusing on the street view perspective of buildings. The images that form our dataset offer various street view perspectives of buildings from urban scenarios, which allows for evaluating complex algorithms. The dataset features 160 images of buildings from Timisoara, Romania, with a resolution of 768 x 1024 pixels each.
title: A Variable Shape Metastructure Based on Controlled Bistable Structural Elements
Creators: name: Simsek, Mehmet R.
Publisher: name: Old Dominion University
publisherIdentifier: https://ror.org/04zjtrb98
publisherIdentifierScheme: ROR
Year: 2024

description: The so-called hybrid position feedback controller is an unstable-then-stable position feedback controller, which is a second-order single-degree-of-freedom system in nature. This hybrid controller takes advantage of the resonant mode of a bistable system about one equilibrium position, destabilizes the system, and dynamically induces snap-through between the two equilibria. In this dissertation, a new multi degree of freedom metastructure concept that utilizes the hybrid position feedback controller is introduced. An arbitrary number of bistable “segments” or “structural elements” are attached to each other in a serial (or parallel) manner to generate a “distributed” bistable structure – also referred to as a metastructure. Due to the simplicity of the hybrid controller, the physical implementation of the proposed approach can be realized using simple circuit elements fully distributed and integrated in the structure. This new metastructure inherits the multiple bistable positions that its building blocks have; hence, the structure becomes multi-stable. It can maintain the equilibrium positions without consuming power and can achieve many equilibrium shapes.

This research shows that in the series metastructure configuration, the equilibrium distribution critically depends on the stiffness distribution of the system. By tuning the stiffness for each DOF, any arbitrary shape can be achieved. Furthermore, the equilibrium employed in the feedback signal to attain the desired stable state must be adjusted according to the principles outlined in this dissertation to prevent non-zero control force in equilibrium states. Failure to incorporate this adjustment may result in unnecessary static control effort.

The proposed metastructure concept can be used in various applications, such as: locomotion in bioinspired systems, undulatory motion, morphing aerodynamic surfaces, wave guiding, filtering, and vibration attenuation, amplification, and control. The concept can also be used in energy harvesting to enable maximum power extraction for a given broadband vibratory input.
Discarded gems: Thermoelectric performance of materials with band gap emerging at the hybrid-functional level
Creators: name: Berland, Kristian
name: Løvvik, Ole Martin
name: Tranås, Rasmus
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A finite electronic band gap is a standard filter in high-throughput screening of materials using density functional theory (DFT). However, because of the systematic underestimation of band gaps in standard DFT approximations, a number of compounds may incorrectly be predicted metallic. In a more accurate treatment, such materials may instead appear as low band gap materials and could e.g. have good thermoelectric properties if suitable doping is feasible. To explore this possibility, we performed hybrid functional calculations on 1093 cubic materials listed in the MaterialsProjects database with four atoms in the primitive unit cell, spin-neutral ground state, and a formation energy within 0.3 eV of the convex hull. Out of these materials, we identified eight compounds for which a finite band gap emerges. Evaluating electronic and thermal transport properties of these compounds, we found the compositions MgSc2 Hg and Li2 CaSi to exhibit promising thermoelectric properties. These findings underline the potential of reassessing band gaps and band structures of compounds to indentify additional potential thermoelectric materials.
description: 6 papes, 4 figures
title: NUIG at TIAD: Combining unsupervised NLP and graph metrics for translation inference
Creators: name: McCrae, John P.
name: Arcan, Mihael
Publisher: name: European Language Resources Association (ELRA)
Year: 2020
Subjects: subject: translation inference
subject: machine translation
subject: multiway translation
subject: document embeddings

description: In this paper, we present the NUIG system at the TIAD shard task. This system includes graph-based metrics calculated using novel algorithms, with an unsupervised document embedding tool called ONETA and an unsupervised multi-way neural machine translation method. The results are an improvement over our previous system and produce the highest precision among all systems in the task as well as very competitive F-Measure results. Incorporating features from other systems should be easy in the framework we describe in this paper, suggesting this could very easily be extended to an even stronger result.
Ricci flow, quantum mechanics and gravity
Creators: name: Isidro, J. M.
name: Santander, J. L. G.
name: de Cordoba, P. Fernandez
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: It has been argued that, underlying any given quantum-mechanical model, there exists at least one deterministic system that reproduces, after prequantisation, the given quantum dynamics. For a quantum mechanics with a complex d-dimensional Hilbert space, the Lie group SU(d) represents classical canonical transformations on the projective space CP^{d-1} of quantum states. Let R stand for the Ricci flow of the manifold SU(d-1) down to one point, and let P denote the projection from the Hopf bundle onto its base CP^{d-1}. Then the underlying deterministic model we propose here is the Lie group SU(d), acted on by the operation PR. Finally we comment on some possible consequences that our model may have on a quantum theory of gravity.
description: 8 pages
Resumption of mass accretion in RS Oph
Creators: name: Worters, H. L.
name: Eyres, S. P. S
name: Bromage, G. E.
name: Osborne, J. P.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The latest outburst of the recurrent nova RS Oph occurred in 2006 February. Photometric data presented here show evidence of the resumption of optical flickering, indicating re-establishment of accretion by day 241 of the outburst. Magnitude variations of up to 0.32 mag in V-band and 0.14 mag in B on timescales of 600-7000 s are detected. Over the two week observational period we also detect a 0.5 mag decline in the mean brightness, from V~11.4 to V~11.9, and record B~12.9 mag. Limits on the mass accretion rate of ~10^{-10} to 10^{-9} Msun/yr are calculated, which span the range of accretion rates modeled for direct wind accretion and Roche lobe overflow mechanisms. The current accretion rates make it difficult for thermonuclear runaway models to explain the observed recurrence interval, and this implies average accretion rates are typically higher than seen immediately post-outburst.
description: 5 pages, 5 figures, accepted for publication in MNRAS
Pain and tics: a daily experience
Creators: name: Anderson, Seonaid
name: Edwards, Mark
name: Murphy, Tara
Publisher: name: F1000 Research Limited
Year: 2019

description: The charity, Tourettes Action (TA) often hears reports from patients that their tics cause chronic pain and tissue damage. Although the literature suggests that ‘tics can, in rare cases, cause injuries’1  this may not be the full story or it may be that it has not been systematically explored. The European Guidelines suggest that during clinical interviews the clinician also ask about the ‘physical consequences of tic (including pain/injury of muscles and joints)’ 2. Pain may be from the recurrent or forceful tics causing discomfort by sudden or repeated extreme movements1. There is a possibility that pain could be managed within the multi-disciplinary team, including using physiotherapy. There is a lack of high quality research evidence supporting physiotherapy interventions for Tourette Syndrome (TS) and little is known about how people with TS manage their pain day-to-day or whether they seek physiotherapy help.
DATASET: Counting the beans: quantifying the adoption of improved mungbean varieties in South Asia and Myanmar
Creators: name: Schreinemachers, Pepijn
name: Sequeros, Teresa
name: Rani, Saima
name: Rashid, Md. Abdur
name: Gowdru, Nithya Vishwanath
name: Rahman, Muhammad Shahrukh
name: Ahmed, Mohammed Razu
name: Nair, Ramakrishnan Madhavan
Publisher: name: Unknown
Year: 0
Subjects: subject: MUNGBEANS
subject: VIGNA RADIATA
subject: PLANT BREEDING
subject: EXPERT ELICITATION
subject: IMPACT
subject: TECHNOLOGY ADOPTION

description: The adoption of improved varieties is an important indicator of the effectiveness of agricultural research. This study quantified the adoption of improved mungbean (Vigna radiata (L). Wilczek) varieties and agricultural practices in Bangladesh, India, Myanmar and Pakistan using an expert elicitation approach. Data were collected from 19 expert panels, organized at subnational levels and involving a total of 259 mungbean experts. The study found that improved varieties were planted on 94% of the mungbean area in Pakistan, 89% in Myanmar, 82% in India and 72% in Bangladesh. International mungbean breeding research conducted by the World Vegetable Center has had a major impact with its germplasm adopted by an estimated 1.2 million mungbean farmers and grown on 1.8 million hectares of land. Widespread variation in the adoption of improved technologies at subnational levels point to opportunities for increased mungbean yields such as the adoption of line sowing and mechanical harvesting, the use of seed treatments with biofertilizers and biopesticides, and the adoption of better varieties with more comprehensive disease resistance.
title: Weaving SIOC into the Web of Linked Data
Creators: name: Bojars, Uldis
name: Passant, Alexandre
name: Cyganiak, Richard
name: Breslin, John
Publisher: name: University of Galway
Year: 2008
Subjects: subject: Online social networks
subject: Internet
subject: Semantic Web

description: Social media sites can act as a rich source of large amounts of data by letting anyone easily create content on the Web. The SIOC ontology and tools developed for it allow us to express this information as interlinked RDF data. This paper describes approaches for making this Social Web information an integral part of the Web of Linked Data.
Fast compression of MCMC output
Creators: name: Chopin, Nicolas
name: Ducrocq, Gabriel
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computation (stat.CO)
subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: We propose cube thinning, a novel method for compressing the output of a MCMC (Markov chain Monte Carlo) algorithm when control variates are available. It amounts to resampling the initial MCMC sample (according to weights derived from control variates), while imposing equality constraints on averages of these control variates, using the cube method of \cite{Deville2004}. Its main advantage is that its CPU cost is linear in $N$, the original sample size, and is constant in $M$, the required size for the compressed sample. This compares favourably to Stein thinning \citep{Riabiz2020}, which has complexity $\mathcal{O}(NM^2)$, and which requires the availability of the gradient of the target log-density (which automatically implies the availability of control variates). Our numerical experiments suggest that cube thinning is also competitive in terms of statistical error.
Measurement of coupling and interstrip capacitances in silicon microstrip sensors for the CBM experiment at FAIR
Creators: name: Sorokin, I.
name: Larionov, P.
name: Heuser, J.
Publisher: name: GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
Year: 2014
Subjects: Physics

description: GSI Scientific Report 2013 - GSI Report 2014-1
Forces on a cylinder due to waves and a colinear current
Creators: name: Buckingham, William Richard
Publisher: name: University of British Columbia
Year: 2010

description: A series of laboratory experiments was conducted to examine the oscillatory forces" and the wave runup on a vertical, circular, surface piercing, rigid cylinder in the presence of both waves and a colinear current. It was found that a current which ran opposite to the direction of wave propagation reduced the oscillatory force and the runup on the cylinder. The results for a current running in the same direction as the waves were more scattered, with some cases indicating an increase in force while others a decrease. The runup, however, increased in all cases. An innovative numerical technique which is currently under development was applied to this problem. The loads on the cylinder were obtained by a time stepping procedure in which the flow at each time step was calculated by an integral equation method based on Green's theorem. The general results of the numerical method agreed quite well with the experimental observations, within the constraints of some simplifying assumptions.
Complex domain wall dynamics in compressively strained GaMnAs epilayers
Creators: name: Diez, L. Herrera
name: Kremer, R. K.
name: Enders, A.
name: Rössle, M.
name: Arac, E.
name: Honolka, J.
name: Kern, K.
name: Placidi, E.
name: Arciprete, F.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: The domain wall induced reversal dynamics in compressively strained GaMnAs was studied employing the magneto-optical Kerr effect and Kerr microscopy. Due to the influence of an uniaxial part in the in-plane magnetic anisotropy (90+/-Delta) domain walls with considerably different dynamic behavior are observed. While the (90+Delta) reversal is identified to be propagation dominated with a small number of domain walls, the case of (90-Delta) reversal includes the nucleation of many domain walls. The domain wall nucleation/propagation energy for both transitions are estimated using model calculations from which we conclude that single domain devices can be achievable using the (90+Delta) mode.
description: 4 figures
Humanidades Digitales CAICYT: Las Humanidades Digitales en la agenda de investigación de las Ciencias de la Información
Creators: name: del Rio, Gimena
Publisher: name: Zenodo
Year: 2018
Subjects: Humanidades Digitales
Ciencias de la información
CAICYT

description:

1. Ciencias de la Información y Humanidades Digitales: una epistemología compartida

Cuando hablamos de nuevas formas y espacios de circulación de la producción

cultural en la actualidad estamos hablando, si bien no solo, principalmente, de su presencia en el medio digital. En el campo de la investigación académica, el impacto de las tecnologías digitales puede medirse tanto desde aspectos prácticos como teóricos, tanto en lo que hace a los modos de producción y circulación como en lo que afectan a la colaboración y la autoría (Klinenberg, 2005: 6-18). Si tenemos en cuenta la tendencia global a la producción y difusión de textos y objetos culturales en entornos virtuales y la acelerada mutación y/o abandono de los formatos tradicionales de la sociedad tipográfica y de la cultura impresa, tendencia en la que está inmersa de modo prioritario la investigación científica, no resulta extraño, entonces, que el formato, la normalización o la estandarización sean hoy, consecuentemente, parte de la agenda de investigación científica en el mundo.
Scaling of Anisotropic Flows and Nuclear Equation of State in Intermediate Energy Heavy Ion Collisions
Creators: name: Yan, T. Z.
name: Ma, Y. G.
name: Cai, X. Z.
name: Fang, D. Q.
name: Guo, W.
name: Ma, C. W.
name: Shen, W. Q.
name: Tian, W. D.
name: Wang, K.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Elliptic flow ($v_2$) and hexadecupole flow ($v_4$) of light clusters have been studied in details for 25 MeV/nucleon $^{86}$Kr + $^{124}$Sn at large impact parameters by Quantum Molecular Dynamics model with different potential parameters. Four parameter sets which include soft or hard equation of state (EOS) with/without symmetry energy term are used. Both number-of-nucleon ($A$) scaling of the elliptic flow versus transverse momentum ($p_t$) and the scaling of $v_4/A^{2}$ versus $(p_t/A)^2$ have been demonstrated for the light clusters in all above calculation conditions. It was also found that the ratio of $v_4/{v_2}^2$ keeps a constant of 1/2 which is independent of $p_t$ for all the light fragments. By comparisons among different combinations of EOS and symmetry potential term, the results show that the above scaling behaviors are solid which do not depend the details of potential, while the strength of flows is sensitive to EOS and symmetry potential term.
description: 5 pages, 5 figures
Spin squeezing of a cold atomic ensemble with the nuclear spin of one-half
Creators: name: Takano, T.
name: Fuyama, M.
name: Namiki, R.
name: Takahashi, Y.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: To establish an applicable system for advanced quantum information processing between light and atoms, we have demonstrated the quantum non-demolition (QND) measurement with a collective spin of cold ytterbium atoms (171Yb), and observed 1.8 (-1.5, +2.4) dB spin squeezing. Since a 171Yb atom has only a nuclear spin of 1/2 in the ground state, the system is the simplest spin ensemble and robust against decoherence. We used very short pulses with the width of 100 ns, so the interaction time became much shorter than the decoherence time, which is important for multi-step quantum information processing.
description: 4 pages, 4 figures
Stock Price Prediction Under Anomalous Circumstances
Creators: name: Ruan, Jinlong
name: Wu, Wei
name: Luo, Jiebo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Finance (q-fin.ST)
subject: Machine Learning (cs.LG)
subject: FOS: Economics and business
subject: FOS: Computer and information sciences

description: The stock market is volatile and complicated, especially in 2020. Because of a series of global and regional "black swans," such as the COVID-19 pandemic, the U.S. stock market triggered the circuit breaker three times within one week of March 9 to 16, which is unprecedented throughout history. Affected by the whole circumstance, the stock prices of individual corporations also plummeted by rates that were never predicted by any pre-developed forecasting models. It reveals that there was a lack of satisfactory models that could predict the changes in stocks prices when catastrophic, highly unlikely events occur. To fill the void of such models and to help prevent investors from heavy losses during uncertain times, this paper aims to capture the movement pattern of stock prices under anomalous circumstances. First, we detect outliers in sequential stock prices by fitting a standard ARIMA model and identifying the points where predictions deviate significantly from actual values. With the selected data points, we train ARIMA and LSTM models at the single-stock level, industry level, and general market level, respectively. Since the public moods affect the stock market tremendously, a sentiment analysis is also incorporated into the models in the form of sentiment scores, which are converted from comments about specific stocks on Reddit. Based on 100 companies' stock prices in the period of 2016 to 2020, the models achieve an average prediction accuracy of 98% which can be used to optimize existing prediction methodologies.
description: 8 pages, 5 figures, 3 tables. 2020 IEEE International Conference on Big Data (Big Data)
A High-Resolution Survey of Low-Redshift QSO Absorption Lines: Statistics and Physical Conditions of O VI Absorbers
Creators: name: Tripp, Todd M.
name: Sembach, Kenneth R.
name: Bowen, David V.
name: Savage, Blair D.
name: Jenkins, Edward B.
name: Lehner, Nicolas
name: Richter, Philipp
name: ;
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Using high-resolution UV spectra of 16 low-z QSOs, we study the physical conditions and statistics of O VI absorption in the IGM at z < 0.5. We identify 51 intervening (z_{abs} << z_{QSO}) O VI systems comprised of 77 individual components, and we find 14 "proximate" systems (z_{abs} ~ z_{QSO}) containing 34 components. For intervening systems [components] with rest-frame equivalent width W_{r} > 30 mA, the number of O VI absorbers per unit redshift dN/dz = 15.6(+2.9/-2.4) [21.0(+3.2/-2.8)], and this decreases to dN/dz = 0.9(+1.0/-0.5) [0.3(+0.7/-0.3)] for W_{r} > 300 mA. The number per redshift increases steeply as z_{abs} approaches z_{QSO}, and some proximate absorbers have substantially lower H I/O VI ratios. The lower proximate ratios could be partially due to ionization effects but also require higher metallicities. We find that 37% of the intervening O VI absorbers have velocity centroids that are well-aligned with corresponding H I absorption. If the O VI and the H I trace the same gas, the relatively small differences in line widths imply the absorbers are cool with T < 10^{5} K. Most of these well-aligned absorbers have the characteristics of metal-enriched photoionized gas. However, the O VI in the apparently simple and cold systems could be associated with a hot phase with T ~ 10^{5.5} K if the metallicity is high enough to cause the associated broad Ly alpha absorption to be too weak to detect. We show that 53% of the intervening O VI systems are complex multiphase absorbers that can accommodate both lower metallicity collisionally-ionized gas with T > 10^{5} K and cold photoionzed gas.
description: Accepted for publication in the Astrophysical Journal Supplements. Substantially revised and improved based on comments from the referee and other readers
Stock index futures trading impact on spot price volatility. The CSI 300 studied with a TGARCH model
Creators: name: Ausloos, Marcel
name: Zhang, Yining
name: Dhesi, Gurjeet
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Finance (q-fin.ST)
subject: General Finance (q-fin.GN)
subject: FOS: Economics and business

description: A TGARCH modeling is argued to be the optimal basis for investigating the impact of index futures trading on spot price variability. We discuss the CSI-300 index (China-Shanghai-Shenzhen-300-Stock Index) as a test case. The results prove that the introduction of CSI-300 index futures (CSI-300-IF) trading significantly reduces the volatility in the corresponding spot market. It is also found that there is a stationary equilibrium relationship between the CSI-300 spot and CCSI-300-IF markets. A bidirectional Granger causality is also detected. ''Finally'', it is deduced that spot prices are predicted with greater accuracy over a 3 or 4 lag day time span.
description: 31 pages, 10 tables, 2 figures, 109 references
Transparenz für interdisziplinäre Forschungsnetzwerke
Creators: name: Wolff, Stefan
Publisher: name: Zenodo
Year: 2019
Subjects: Forschungskompass
VIVO
FID move

description: Der Forschungskompass (www.forschungskompass.de) ist ein Werkzeug, welches auf Linked Open Data und RDF basiert. Es verfolgt das Ziel, eine Verbesserung der Vernetzung in der Mobilitäts- und Verkehrsforschung zu erreichen.
Discovery of Highly Obscured Galaxies in the Zone of Avoidance
Creators: name: Marleau, F. R.
name: Noriega-Crespo, A.
name: Paladini, R.
name: Clancy, D.
name: Carey, S.
name: Shenoy, S.
name: Kraemer, K. E.
name: Kuchar, T.
name: Mizuno, D. R.
name: Price, S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the discovery of twenty-five previously unknown galaxies in the Zone of Avoidance. Our systematic search for extended extra-galactic sources in the GLIMPSE and MIPSGAL mid-infrared surveys of the Galactic plane has revealed two overdensities of these sources, located around l ~ 47 and 55 degrees and |b| less than 1 degree in the Sagitta-Aquila region. These overdensities are consistent with the local large-scale structure found at similar Galactic longitude and extending from |b| ~ 4 to 40 degrees. We show that the infrared spectral energy distribution of these sources is indeed consistent with those of normal galaxies. Photometric estimates of their redshift indicate that the majority of these galaxies are found in the redshift range z = 0.01 - 0.05, with one source located at z = 0.07. Comparison with known sources in the local Universe reveals that these galaxies are located at similar overdensities in redshift space. These new galaxies are the first evidence of a bridge linking the large-scale structure between both sides of the Galactic plane at very low Galactic latitude and clearly demonstrate the feasibility of detecting galaxies in the Zone of Avoidance using mid-to-far infrared surveys.
description: Accepted for publication in the Astronomical Journal, 28 pages, 5 tables, 11 figures
A Mission-profile-based Reliability Assessment Software Tool for the Design of Power Electronic Systems-Slides
Creators: Ionut Vernica
Publisher: name: IEEE
Year: 2021

PELS Webinar Slides
Abstract: Because of the high cost of failure associated with power electronic systems, reliability is becoming a key factor in many energy conversion applications. Thus, a realistic lifetime estimation of power electronics is needed in order to improve the reliability performance of the system, and inherently, reduce the overall lifecycle cost. However, current reliability-oriented design practices for power electronics are still mainly based on “rule-of-thumb” overdesign approaches, and typically do not consider the real-life environmental and loading conditions of the system. In this webinar, a mission-profile-based reliability assessment software tool is introduced, and its applicability in the early design and development stages of power electronic products is demonstrated. The tool allows for quick lifetime prediction under realistic environmental and operating mission profiles, and thus, facilitating the reliability-oriented design and optimization of power electronic systems. Firstly, the main framework and concept of the reliability assessment tool are briefly presented, highlighting its unique features and limitations. Secondly, the six-step model-based reliability assessment procedure implemented within the tool is discussed and exemplified on the power electronic system of an Electric Vehicle (EV) application. Finally, the webinar ends with a short discussion on the future trends and research directions of reliability-oriented design practices for power electronics.