cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Hausdorff dimension of some groups acting on the binary tree
Creators: name: Siegenthaler, Olivier
Publisher: name: arXiv
Year: 2006
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20E08 (Primary); 28A78 (Secondary)

description: Based on the work of Abercrombie, Barnea and Shalev gave an explicit formula for the Hausdorff dimension of a group acting on a rooted tree. We focus here on the binary tree T. Abert and Virag showed that there exist finitely generated (but not necessarily level-transitive) subgroups of AutT of arbitrary dimension in [0,1]. In this article we explicitly compute the Hausdorff dimension of the level-transitive spinal groups. We then show examples of 3-generated spinal groups which have transcendental Hausdroff dimension, and exhibit a construction of 2-generated groups whose Hausdorff dimension is 1.
description: 10 pages; full revision; simplified some proofs
Signal amplification in a nanomechanical Duffing resonator via stochastic resonance
Creators: name: Almog, Ronen
name: Zaitsev, Stav
name: Shtempluck, Oleg
name: Buks, Eyal
Publisher: name: arXiv
Year: 2006
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We experimentally study stochastic resonance in a nonlinear bistable nanomechanical resonator. The device consists of a PdAu doubly clamped beam serving as a nanomechanical resonator excited capacitively by an adjacent gate electrode and its vibrations are detected optically. The resonator is tuned to its bistability region by an intense pump near a point of equal transition rates between its two metastable states. The pump is amplitude modulated, inducing modulation of the activation barrier between the states. When noise is added to the excitation, the resonator's displacement exhibits noise dependent amplification. We measure the resonator's response in the time and frequency domains, the spectral amplification and the statistical distribution of the jump time.
Léxico para estudos comparativos
Creators: name: Brandão, Militão
name: Vieira Cândido, Gláucia
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: swo

description: Rowe Standard Comparative Vocabulary e léxico de M. Swadesh. Lado A: do dado 1 ao 207. Lado B: do dado 208 ao 384; do 1 ao 40.
Approaching to the deep-strong photon-to-magnon coupling
Creators: name: Golovchanskiy, I. A.
name: Abramov, N. N.
name: Stolyarov, V. S.
name: Golubov, A. A.
name: Kupriyanov, M. Yu.
name: Ryazanov, V. V.
name: Ustinov, A. V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this work, the ultra-strong photon-to-magnon coupling is demonstrated for on-chip multilayered superconductor/ferromagnet/insulator hybrid thin film structures reaching the coupling strength above 6 GHz, the coupling ratio about 0.6, the single-spin coupling strength about 350 Hz, and cooperativity about 10^4. High characteristics of coupling are achieved owing to a radical suppression of the photon phase velocity in electromagnetic resonator. With achieved coupling the spectrum reveals inapplicability of the Dicke model, and evidences contribution of the diamagnetic A^2 interaction term in the Hamiltonian of the system, which satisfies the Thomas-Reiche-Kuhn sum rule. The contribution of the A^2 term denotes validity of the Hopfield quantum model and manifests observation of a different hybrid polariton quasi-particle, namely, the plasmon-magnon polariton.
description: 6 pages, 2 figures, 43 references
The logic of message passing
Creators: name: Cockett, J. R. B.
name: Pastro, Craig
Publisher: name: arXiv
Year: 2007
Subjects: subject: Category Theory (math.CT)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Message passing is a key ingredient of concurrent programming. The purpose of this paper is to describe the equivalence between the proof theory, the categorical semantics, and term calculus of message passing. In order to achieve this we introduce the categorical notion of a linear actegory and the related polycategorical notion of a poly-actegory. Not surprisingly the notation used for the term calculus borrows heavily from the (synchronous) pi-calculus. The cut elimination procedure for the system provides an operational semantics.
description: 51 pages
Temperature Dependent Molecular Dynamic Simulation of Friction
Creators: name: Dias, R. A.
name: Rapini, M.
name: Coura, P. Z.
name: Costa, B. V.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: In this work we present a molecular dynamics simulation of a FFM experiment. The tip-sample interaction is studied by varying the normal force in the tip and the temperature of the surface. The friction force, cA, at zero load and the friction coefficient, $μ$, were obtained. Our results strongly support the idea that the effective contact area, A, decreases with increasing temperature and the friction coefficient presents a clear signature of the premelting process of the surface.
description: 5 pages, 25 figures
Mapping the Recreational Value of Non-Urban Ecosystems across Europe: Combining Meta-Analysis and GIS
Creators: name: Schägner, Jan Philipp
name: Brandner, Luke
name: Hartje, Volkmar
name: Maes, Joachim
name: Paracchini, Maria-Luisa
Publisher: name: Technische Universität Berlin
Year: 2016
Subjects: subject: 300 Sozialwissenschaften
subject: ecosystem service mapping
subject: GIS
subject: meta-analysis
subject: value transfer
subject: nature recreation

description: We map recreational visits and the economic value per visit spatially explicit across Europe’s non-urban ecosystems using GIS, meta-analysis and geostatistical modelling techniques. Therefore, we develop a meta-analytic visitor arrival function and a meta-analytic value transfer function by regression analysis. Primary data on the dependent variables are collected from visitor monitoring and valuation studies. We analyse more than 225 studies including visitor counts and value estimates to more than 550 separate case study areas. Focusing on continuous spatial biophysical and socio-economic predictor variables, we identify underlying spatial drivers of recreational ecosystem service values. By combining our models with spatial explanatory variable layers we predict annual recreational visits and the value per visit on a one km² resolution across Europe. The resulting maps illustrate spatial variations of recreational visitor numbers and the value per visit. In total we predict about 11 billion annual visits to Europe’s non-urban ecosystems amounting an economic value of € 57 billion. Comparing our estimates with mean/unit value transfers reveals that the spatial variations of visitor numbers are substantially more important for determining the recreational value per ha than variations in the value per visit.
Orientations of LASCO Halo CMEs and Their Connection to the Flux Rope Structure of Interplanetary CMEs
Creators: name: Yurchyshyn, V.
name: Hu, Q.
name: Lepping, R. P.
name: Lynch, B. J.
name: Krall, J.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Coronal mass ejections (CMEs) observed near the Sun via LASCO coronographic imaging are the most important solar drivers of geomagnetic storms. ICMEs, their interplanetary, near-Earth counterparts, can be detected in-situ, for example, by the Wind and ACE spacecraft. An ICME usually exhibits a complex structure that very often includes a magnetic cloud (MC). They can be commonly modelled as magnetic flux ropes and there is observational evidence to expect that the orientation of a halo CME elongation corresponds to the orientation of the flux rope. In this study, we compare orientations of elongated CME halos and the corresponding MCs, measured by Wind and ACE spacecraft. We characterize the MC structures by using the Grad-Shafranov reconstruction technique and three MC fitting methods to obtain their axis directions. The CME tilt angles and MC fitted axis angles were compared without taking into account handedness of the underlying flux rope field and the polarity of its axial field. We report that for about 64% of CME-MC events, we found a good correspondence between the orientation angles implying that for the majority of interplanetary ejecta their orientations do not change significantly (less than 45 deg rotation) while travelling from the Sun to the near Earth environment.
Heisenberg uncertainty relations for relativistic bosons
Creators: name: Bialynicki-Birula, Iwo
name: Prystupiuk, Adam
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: This work completes the program started in \cite{bb1,bb2,bb3} to derive the Heisenberg uncertainty relation for relativistic particles. Sharp uncertainty relations for massive relativistic particles with spin 0 and spin 1 are derived. The main conclusion is that the uncertainty relations for relativistic bosons are markedly different from those for relativistic fermions. The uncertainty relations for bosons are based on the energy density. It is shown that the uncertainty relations based on the time-component of the four-current, as was have done in \cite{bb3} for electrons, are untenable because they lead to contradictions.
description: 2 figures
Hard exclusive reactions and hadron structure
Creators: name: Pire, B.
name: Szymanowski, L.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The generalized Bjorken regime of exclusive reactions opens new ways to explore the hadron structure. We shortly review the present status of this domain where generalized parton distributions, generalized distribution amplitudes and transition distribution amplitudes describe various aspects of confinement physics.
description: 7 pages LATEX, 5 figures, invited talk at the Vth Conference on Hadronic Physics held at ICTP, Trieste, Italy, May 2006
The Energy of Bianchi Type I and II Universes in Teleparallel Gravity
Creators: name: So, Lau Loi
name: Vargas, T.
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: For certain models, the energy of the universe which includes the energy of both the matter and the gravitational fields is obtained by using the quasilocal energy-momentum in teleparallel gravity. It is shown that in the case of the Bianchi type I and II universes, not only the total energy but also the quasilocal energy-momentum for any region vanishes independently of the three dimensionless coupling constants of teleparallel gravity.
description: 9 pages
Variation of the fundamental constants over the cosmological time: veracity of Dirac's intriguing hypothesis
Creators: name: Nassif, Cláudio
name: Faria, A. C. Amaro de
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate how the universal constants, including the fine structure constant, have varied since the early universe close to the Planck energy scale ($E_P\sim 10^{19}$GeV) and, thus, how they have evoluted over the cosmological time related to the temperature of the expanding universe. We have already shown that the speed of light was much higher close to the Planck scale. In the present work, we will go further, first by showing that both the Planck constant and the electron charge were also too large in the early universe. However, we conclude that the fine structure constant ($α\cong 1/137$) has remained invariant with the age and temperature of the universe, which is in agreement with laboratory tests and some observational data. Furthermore, we will obtain the divergence of the electron (or proton) mass and also the gravitational constant ($G$) at the Planck scale. Thus, we will be able to verify the veracity of Dirac's belief about the existence of "coincidences" between dimensionless ratios of sub-atomic and cosmological quantities, leading to a variation of $G$ with time, i.e., the ratio of the electrostatic to gravitational force between an electron and a proton ($\sim 10^{41}$) is roughly equal to the age of the universe divided by an elementary time constant, so that the strength of gravity, as determined by $G$, must vary inversely with time just in the approximation of lower temperature or for times very far from the early period, in order to compensate for the time-variation of the Hubble parameter ($H\sim t^{-1}$). In short, we will show the validity of Dirac's hypothesis only for times very far from the early period or $T\sim T_P\sim 10^{32}$K.
description: 6 pages, 2 figures. arXiv admin note: substantial text overlap with arXiv:1211.1936, arXiv:2009.05397, arXiv:1205.2298
Zum Zusammenhang von Praxis, Forschung, Praxisforschung, Bildung und Lehrer*innenbildung
Creators: name: Heinrich, Martin
name: Klewin, Gabriele
name: Streblow, Lilian
Publisher: name: PraxisForschungLehrer*innenBildung. Zeitschrift für Schul- und Professionsentwicklung.
Year: 2019

description: Im Editorial zur ersten regulären Ausgabe der PraxisForschungLehrer*innenBildung (PFLB) – Zeitschrift für Schul- und Professionsentwicklung erläutern die Herausgeber*innen entlang des Titels der Zeitschrift die Intentionen des Journals. Grundgedanke hierbei ist die Praxisnähe bzw. der grundlegende Praxisbezug der hier dokumentierten Forschung. Das Spektrum reicht von klassischer Praxisforschung zu Schule und Unterricht, in der die Praxisnähe und der Praxisbezug durch die partizipativen Forschungsprozesse gemeinsam mit Praktiker*innen sicher gestellt werden, bis hin zur lokal relevanten Evaluationsforschung aus anwendungsorientierter Perspektive. Als übergreifendes Merkmal dieses neuen Open-Access-Journals wird damit die Orientierung an einer Forschungs- und Entwicklungslogik (FuE-Logik) herausgestellt.
description: PraxisForschungLehrer*innenBildung. Zeitschrift für Schul- und Professionsentwicklung., Bd. 1 Nr. 1 (2019): PraxisForschungLehrer*innenBildung – Ausgabe 1
Molecular cloning of a human putative 7-transmembrane segment (7TMS) receptor
Creators: name: Federsppiel, Bartolome S. S.
Publisher: name: University of British Columbia
Year: 2008

description: Seven transmembrane-segment (7TMS) receptors are highly homologous proteins that mediate a variety of cell functions through the interaction with G-proteins. They are important mediators in the response to neurotransmitters, hormones and cytokines. Moreover, two of these receptors have been found to be proto-oncogenes or to possess transforming activity. During the immune response they are involved in inflammation, producing and modulating this process through the interaction with ligands that are primarily chemotactic and activating factors. A family of such ligands has already been characterized and their receptors, when known, were all of the 7TMS type. To further investigate this category of proteins in cells involved in immunity a group of oligonucleotides was patterned on predicted conserved areas of chemotactic 7TMS receptors, and also on divergent non-homologous sequences. To facilitate subcloning procedures restriction sites where engineered at the 5'-end of the primers. Human monocyte mRNA was converted to single strand cDNA by antisense priming and reverse transcription. This cDNA was used as a template for the in vitro enzymatic amplification by the polymerase chain reaction (PCR) with upstream and downstream primers. The amplified cDNA (388 bp) was cloned in plasmid Bluescript and sequenced by the chain termination method. Homology searches for the sequence revealed that the fragment belonged to the 7TMS superfamily. The cDNA was radiolabeled and used to screen a human fetal spleen library constructed in the ƛ-phage system. A clone was isolated that when sequenced revealed a complete open reading frame for a 352 residue protein. This polypeptide was found to be a human homologue of a neuropeptide receptor: neuropeptide tyrosine (NPY) subtype 3. Apart from having the typical topology of the 7TMS superfamily it also displayed a high degree of homology to chemotactic factor receptors. Northern blot analysis demonstrated that this protein is expressed in locations outside the nervous system like spleen and thymus.
Additional file 2: of What is the lowest change in cardiac output that transthoracic echocardiography can detect?
Creators: name: Jozwiak, Mathieu
name: Mercado, Pablo
name: Teboul, Jean-Louis
name: Benmalek, Anouar
name: Gimenez, Julia
name: DĂŠpret, FranĂ§ois
name: Richard, Christian
name: Monnet, Xavier
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Space Science
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Computational Biology

description: Table S2. Haemodynamic parameters during the first and the third transthoracic echocardiography examinations. (DOCX 25 kb)
Top-pair production via gluon fusion in the Standard Model Effective Field Theory
Creators: name: Müller, Christoph
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We compute the leading corrections to the differential cross section for top-pair production via gluon fusion due to dimension-six operators at leading order in QCD. The Standard Model fields are assumed to couple only weakly to the hypothetical new sector. A systematic approach then suggests treating single insertions of the operator class containing gluon field strength tensors on the same footing as expli\-citly loop suppressed contributions from four-fermion operators. This is in particular the case for the chromomagnetic operator $Q_{(uG)}$ and the purely bosonic operators $Q_{(G)}$ and $Q_{(φG)}$. All leading order dimension-six contributions are consequently suppressed with a loop factor $1/16π^2$.
Cosmic 21-cm Fluctuations as a Probe of Fundamental Physics
Creators: name: Kleban, Matthew
name: Sigurdson, Kris
name: Swanson, Ian
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Fluctuations in high-redshift cosmic 21-cm radiation provide a new window for observing unconventional effects of high-energy physics in the primordial spectrum of density perturbations. In scenarios for which the initial state prior to inflation is modified at short distances, or for which deviations from scale invariance arise during the course of inflation, the cosmic 21-cm power spectrum can in principle provide more precise measurements of exotic effects on fundamentally different scales than corresponding observations of cosmic microwave background anisotropies.
description: 8 pages, 2 figures
Additional file 6: of What is the lowest change in cardiac output that transthoracic echocardiography can detect?
Creators: name: Jozwiak, Mathieu
name: Mercado, Pablo
name: Teboul, Jean-Louis
name: Benmalek, Anouar
name: Gimenez, Julia
name: DĂŠpret, FranĂ§ois
name: Richard, Christian
name: Monnet, Xavier
Publisher: name: figshare
Year: 2019
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Table S6. Intra-examination precision of transthoracic echocardiography measurements according to mechanical ventilation. (DOCX 28 kb)
Productivity and cost competitiveness of Canadian food and beverage manufacturing industries
Creators: name: Feeley, David John
Publisher: name: University of British Columbia
Year: 2008

description: This thesis reports an analysis of the competitive position of the Canadian food and beverage industry with respect to the U.S. industry for the year 1986. The main contribution is in providing measures of Canada/U.S. variable factor productivity for 38 food processing and beverage industries. It is an improvement over previous work for two reasons. First, the analysis is conducted at a more disaggregated level than previous studies, that is, below the Canadian SIC level. Secondly, in using 1986 data for analysis it is the most up to date productivity study of the industry available. The study uses the index number approach to productivity measurement. For each industry, relative Tornqvist price indexes for commodity outputs and materials, labour, and energy inputs were constructed. These indexes, along with data for industry shipments and expenditures on materials, labour, and energy, were then used to develop input and output relative Tornqvist quantity indexes, and hence, measures of relative physical productivity. Sources of Canadian data were Statistics Canada publications containing data for 1986 while data for U.S. industries were obtained from the 1987 Census of Manufactures and 1986 Annual Survey of Manufactures. The results indicate that in 1986 the Canadian industry was not well placed with respect to its U.S. counterpart. On average, relative variable factor productivity for each Canadian industry was estimated to be 7.6 percent lower. Relatively lower Canadian physical productivity was exacerbated by relatively higher input prices, so that average output cost competitiveness was 15.5 percent lower in Canada. Average input cost competitiveness was found to be 4.8 percent lower in Canada. Correlation analysis found no strong evidence of a link between these two measures of cost competitiveness.
Anomalous Hall effect in distorted kagome magnets (Nd, Sm)Mn$_6$Sn$_6$
Creators: name: Ma, Wenlong
name: Xu, Xitong
name: Wang, Zihe
name: Zhou, Huibin
name: Marshall, Madalynn
name: Qu, Zhe
name: Xie, Weiwei
name: Jia, Shuang
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report magnetic and electrical properties for single crystals of NdMn$_6$Sn$_6$ and SmMn$_6$Sn$_6$. They crystallize into a structure which has distorted, Mn-based kagome lattices, compared to the pristine kagome lattices in heavy-rare-earth-bearing RMn$_6$Sn$_6$ compounds. They are hightemperature ferromagnets of which the R moment is parallel with the Mn moment. We observed a large intrinsic anomalous Hall effect (AHE) that is comparable to the ferrimagnetic, heavy-R siblings in a wide range of temperature. We conclude that their intrinsic AHE is stemming from the Mn-based kagome lattice, just as in the heavy RMn$_6$Sn$_6$.
description: 7 pages, 6 figures, 1 table
Cotton flow
Creators: name: Kisisel, Ali Ulas Ozgur
name: Sarioglu, Ozgur
name: Tekin, Bayram
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Using the conformally invariant Cotton tensor, we define a geometric flow, the "Cotton flow", which is exclusive to three dimensions. This flow tends to evolve the initial metrics into conformally flat ones, and is somewhat orthogonal to the Yamabe flow, the latter being a flow within a conformal class. We define an entropy functional, and study the flow of nine homogeneous spaces both numerically and analytically. In particular, we show that the arbitrarily deformed homogeneous 3-sphere flows into the round 3-sphere. Two of the nine homogeneous geometries, which are degenerated by the Ricci flow, are left intact by the Cotton flow.
description: 17 pages, 4 figures, exact solutions of two geometries given, exposition of several parts expanded, references updated
Relations between Entropies Produced in Nondeterministic Thermodynamic Processes
Creators: name: Turgut, S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Landauer's erasure principle is generalized to nondeterministic processes on systems having an arbitrary number of non-symmetrical logical states. The condition that the process is applied in the same way, irrespective of the initial logical state, imposes some restrictions on the individual heat exchanges associated with each possible transition. The complete set of such restrictions are derived by a statistical analysis of the phase-space flow induced by the process. Landauer's erasure principle can be derived from and is a special case of these.
description: 12 pages with one figure; a final major revision in presentation; physical assumptions are clarified now
Effect of the Time of Day and Queue Position in the Endoscopic Schedule on the Performance Characteristics of EUS-FNA for Diagnosing Pancreatic Malignancies
Creators: name: Siddiqui, Ali Ahmed
Publisher: name: JOP. Journal of the Pancreas
Year: 2014
Subjects: Pancreatic Cancer; Endosonography, Cytology, Fine Needle Aspiration

description: Aim: The aim of this study was to determine if procedure time or queue position affected performance characteristics of EUS-FNA for diagnosing solid pancreatic malignancies.

Patients and Methods: We conducted a retrospective study evaluating patients with solid pancreatic lesions in whom EUS-FNA was performed.  Three timing variables were evaluated as surrogate markers for endoscopist fatigue: procedure start times, morning vs. afternoon procedures and endoscopy queue position.  Statistical analyses were performed to determine whether timing variables predicted performance characteristics of EUS-FNA.

Results: We identified 609 patients (mean age 65.8 years, 52.1% male) with solid pancreatic lesions who underwent EUS-FNA.  The sensitivity of EUS-FNA was 100% for procedures that started at 0700 hours while cases that started at 1600 hours had a sensitivity of 81%.  Using start time on a continuous scale, each elapsed hour was associated with a 1.9% decrease in EUS-FNA sensitivity (p=0.003).  Similarly, a 10% reduction in EUS-FNA sensitivity was detected between morning and afternoon procedures (92% versus 82% respectively, P<0.01). A linear regression comparing procedure start time and diagnostic accuracy revealed a decreased of approximately 1.7% in procedure accuracy for every hour later a procedure was started.  A 16% reduction in EUS-FNA accuracy was detected between morning and afternoon procedures (100% versus 84% respectively, P < 0.01).  When queue position was assessed, a 2.4% reduction in accuracy was noted for each increase in the queue position (p=0.01)

Conclusions: Sensitivity and diagnostic accuracy of EUS-FNA for solid pancreatic lesions declines with progressively later EUS starting times and increasing numbers of procedures before a given EUS, potentially from endoscopist and cytotechnologist fatigue.
description: JOP. Journal of the Pancreas, Vol 15, No 2 (2014): March - p. 84-218
Static Skew Compensation in Multi Core Radio over Fiber systems for 5G Mmwave Beamforming
Creators: name: Nikas, Thomas
name: Pikasis, Evangelos
name: Syvridis, Dimitris
Publisher: name: arXiv
Year: 2021
Subjects: subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Multicore fibers can be used for Radio over Fiber transmission of mmwave signals for phased array antennas in 5G networks. The inter-core skew of these fibers distort the radiation pattern. We propose an efficient method to compensate the differential delays, without full equalization of the transmission path lengths, reducing the power loss and complexity.
description: arXiv admin note: substantial text overlap with arXiv:2102.04813
Effects of anisotropic energetic particles on zonal flow residual level
Creators: name: Lu, Zhixin
name: Weiland, Markus
name: Lauber, Philipp
name: Wang, Xin
name: Meng, Guo
name: Zonca, Fulvio
Publisher: name: arXiv
Year: 2021
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: In tokamak plasmas, the interaction among the micro-turbulence, zonal flows (ZFs) and energetic particles (EPs) can affect the turbulence saturation level and the consequent confinement quality and thus, is important for future burning plasmas. In this work, the EP anisotropy effects on the ZF residual level are studied by using anisotropic EP distributions with dependence on pitch. Significant effects on the long wavelength ZFs have been found when small to moderate width around the dominant pitch in the EP distribution function is assumed. In addition, it is found that ZF residual level is enhanced by barely passing/trapped and/or deeply trapped EPs, but it is suppressed by well passing and/or intermediate trapped EPs. Numerical calculation shows that for ASDEX Upgrade plasmas, typical EP distribution functions can bring in -3%~+5.5% mitigation/enhancement in ZF residual level, depending on the EP distribution functions.
description: 16 pages, 10 figures
Exact results on the Kitaev model on a hexagonal lattice: spin states, string and brane correlators, and anyonic excitations
Creators: name: Chen, Han-Dong
name: Nussinov, Zohar
Publisher: name: arXiv
Year: 2007
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: In this work, we illustrate how a Jordan-Wigner transformation combined with symmetry considerations enables a direct solution of Kitaev's model on the honeycomb lattice. We (i) express the p-wave type fermionic ground states of this system in terms of the original spins, (ii) adduce that symmetry alone dictates the existence of string and planar brane type correlators and their composites, (iii) compute the value of such non-local correlators by employing the Jordan-Wigner transformation, (iv) affirm that the spectrum is inconsequential to the existence of topological quantum order and that such information is encoded in the states themselves, and (v) express the anyonic character of the excitations in this system and the local symmetries that it harbors in terms of fermions.
description: 14 pages, 7 figures
Shanenawa Field Materials
Creators: name: Brandão, Amaral
name: Brandão, Assis
name: Brandão, Bruno
name: Brandão, Maria Iraci
name: Brandão, Militão
name: Augusto, José
name: Tacília
name: Vieira Cândido, Gláucia
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021

description: Gravações em áudio de textos e elicitação lexical e gramatical, fotos e negativos. As gravações de áudio se estendem por três períodos: 1987 (itens 016-017), 1997 (001-009), e 2002-2003 (010-015).

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Sound recordings of texts and lexico-grammatical elicitation, photographic slides and negatives. The sound recordings span three periods: 1987 (items 016-017), 1997 (001-009), and 2002-2003 (010-015).
Parliamentary sovereignty and the challenge of European community law in the United Kingdom
Creators: name: Fleming, Paul Daniel Richard
Publisher: name: University of British Columbia
Year: 2008

description: The omnipotence of Parliament is one of the cardinal features of the British Constitution. It has traditionally been believed to consist of the dual propositions that there is no subject on which the Queen-in-Parliament may not legislate and, that no Parliament may bind a successor. Despite periodical challenges, the doctrine had crystallized into orthodoxy by the 19th century. Inasmuch as anything in British constitutional law is definite, the existence of the doctrine of parliamentary sovereignty seems secure. However, this apparent security masks a vigorous debate among commentators over what the doctrine actually means today. The debate has been fuelled by the implications arising out of Britain’s accession to the European Community (EC), which views its own legal order as overriding any conflicting laws of its constituent member states. Some two centuries after becoming established as orthodoxy, the doctrine of parliamentary sovereignty is now facing its greatest test. The current legal situation created by Britain’s membership in the EC poses the greatest threat to the doctrine’s theoretical usefulness in explaining the British constitution as it actually operates today. It is argued that the present doctrine of parliamentary sovereignty, in light of the EC, means no more than that the United Kingdom retains the right of total withdrawal from the EC and that this right is vested in the Queen-in-Parliament as a result of Britain’s constitutional history. The traditional notion of parliamentary sovereignty, which encompassed far more than a simple equivalence of parliamentary and national sovereignty, has been overtaken by new political and legal facts.
Reasoning with Intervals on Granules
Creators: name: Schwer, Sylviane
Publisher: name: arXiv
Year: 2006
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Computer and information sciences
subject: G.2.0

description: The formalizations of periods of time inside a linear model of Time are usually based on the notion of intervals, that may contain or may not their endpoints. This is not enought when the periods are written in terms of coarse granularities with respect to the event taken into account. For instance, how to express the inter-war period in terms of a {\em years} interval? This paper presents a new type of intervals, neither open, nor closed or open-closed and the extension of operations on intervals of this new type, in order to reduce the gap between the discourse related to temporal relationship and its translation into a discretized model of Time.
Additional file 7: of What is the lowest change in cardiac output that transthoracic echocardiography can detect?
Creators: name: Jozwiak, Mathieu
name: Mercado, Pablo
name: Teboul, Jean-Louis
name: Benmalek, Anouar
name: Gimenez, Julia
name: DĂŠpret, FranĂ§ois
name: Richard, Christian
name: Monnet, Xavier
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Space Science
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Table S7. Intra-examination least significant change of transthoracic echocardiography measurements according to mechanical ventilation. (DOCX 30 kb)
Detecting reconnection sites using the Lorentz Transformations for electromagnetic fields
Creators: name: Lapenta, Giovanni
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Plasma Physics (physics.plasm-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: We take a pragmatic definition of reconnection to find locations where a reconnection electric field causes a ExB drift that carries two components of the magnetic field towards their elimination. With this in mind as our target, we observe that such locations can be found using a new indicator: the velocity of the Lorentz transformation that eliminates two components of the local magnetic field. Serendipitously, the indicator naturally becomes subluminal in the close proximity of a point where two components of the magnetic field vanish and it is hard zero at the vanishing location. Everywhere else the velocity of this Lorentz frame change far exceeds the speed of light. This property can be quickly applied in practice because computing the frame change is a local operation that requires only the knowledge of the local magnetic and electric field: it can be applied in a simulation or in observational data from a field instrument. We further show that the points identified can be classified in 6 categories that extend the usual types of magnetic nulls to the case of 3D reconnection in presence of a guide field. The approach is used to identify secondary electron scale reconnection sites in a turbulent outflow from a primary reconnection site in a highly resolved massively parallel fully kinetic particle in cell simulation. Numerous points are found and their detailed analysis is reported.
description: ApJ to appear
Additional file 9: of What is the lowest change in cardiac output that transthoracic echocardiography can detect?
Creators: name: Jozwiak, Mathieu
name: Mercado, Pablo
name: Teboul, Jean-Louis
name: Benmalek, Anouar
name: Gimenez, Julia
name: DĂŠpret, FranĂ§ois
name: Richard, Christian
name: Monnet, Xavier
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Space Science
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Table S9. Variability of transthoracic echocardiography measurements between two examinations performed by the same operator according to cardiac rhythm. (DOCX 27 kb)
Scalar Perturbations in Two-Temperature Cosmological Plasmas
Creators: name: Moortgat, Joachim
name: Marklund, Mattias
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study the properties of density perturbations of a two-component plasma with a temperature difference on a homogeneous and isotropic background. For this purpose we extend the general relativistic gauge invariant covariant (GIC) perturbation theory to include a multi-fluid with a particular equations of state (ideal gas) and imperfect fluid terms due to the relative energy flux between the two species. We derive closed sets of GIC vector and subsequently scalar evolution equations. We then investigate solutions in different regimes of interest. In particular, we study long wavelength and arbitrary wavelength Langmuir and ion-acoustic perturbations. The harmonic oscillations are superposed on a Jeans type instability. We find a generalised Jeans criterion for collapse in a two-temperature plasma, which states that the species with the largest sound velocity determines the Jeans wavelength. Furthermore, we find that within the limit for gravitational collapse, initial perturbations in either the total density or charge density lead to a growth in the initial temperature difference. These results are relevant for the basic understanding of the evolution of inhomogeneities in cosmological models.
description: 9 pages. Accepted for publication in MNRAS, 5 April 2006 (submitted 20 Januari 2006)
Revisiting the complex kinematics of ionized gas at the central region of NGC 1068: evidence of an additional active galactic nucleus?
Creators: name: Shin, Jaejin
name: Woo, Jong-Hak
name: Kim, Minjin
name: Wang, Junfeng
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present a spatially resolved analysis of ionized gas at the nuclear region of the nearby galaxy NGC 1068. While NGC 1068 has been known to have gas outflows driven by its active galactic nucleus (AGN), more complex kinematical signatures were recently reported, which were inconsistent with a rotation or simple biconical outflows. To account for the nature of gas kinematics, we performed a spatially resolved kinematical study, finding a morphologically symmetric pair of approaching and receding gas blobs in the northeast region. The midpoint of the two blobs is located at a distance of 180 pc from the nucleus in the projected plane. The ionized gas at the midpoint shows zero velocity and high velocity dispersion, which are characteristics of an outflow-launching position, as the two sides of a bicone, i.e., approaching and receding outflows are superposed on the line of sight, leading to no velocity shift but high velocity dispersion. We investigate the potential scenario of an additional AGN based on a multiwavelength data set. While there are other possibilities, i.e., X-ray binary or supernova shock, the results from optical spectropolarimetry analysis are consistent with the presence of an additional AGN, which likely originates from a minor merger.
description: 12 pages, 7 figures, ApJ, in press
Additional file 2: of Correction to: Diel rewiring and positive selection of ancient plant proteins enabled evolution of CAM photosynthesis in Agave
Creators: name: Yin, Hengfu
name: Guo, Hao-Bo
name: Weston, David
name: Borland, Anne
name: Ranjan, Priya
name: Abraham, Paul
name: Jawdy, Sara
name: Wachira, James
name: Tuskan, Gerald
name: Tschaplinski, Timothy
name: Wullschleger, Stan
name: Guo, Hong
name: Hettich, Robert
name: Gross, Stephen
name: Wang, Zhong
name: Visel, Axel
name: Yang, Xiaohan
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Evolutionary Biology
subject: Ecology
subject: Developmental Biology
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology
subject: Computational Biology

description: Table S1. Percentage of the gene set in each individual species distributed into different ortholog clades. (DOCX 20 kb)
X-ray sources in the 1.75 Ms Ultra Narrow Deep Field observed by XMM-Newton
Creators: name: Elías-Chávez, M.
name: Longinotti, A. L.
name: Krongold, Y.
name: Vignali, C.
name: Nicastro, F.
name: Rosa-González, D.
name: Mayya, Y. D.
name: Mathur, S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In this work we present the results of the survey carried out on one of the deepest X-ray fields observed by the XMM-Newton satellite. The 1.75 Ms Ultra Narrow Deep Field (XMM175UNDF) survey is made by 13 observations taken over 2 years with a total exposure time of 1.75 Ms (1.372 Ms after flare-filtered) in a field of $30' \times 30' $ centered around the blazar 1ES 1553+113. We stacked the 13 observations reaching flux limits of $4.03 \times 10^{-16} $, $1.3 \times 10^{-15}$, and $9.8 \times 10^{-16}\, erg\, s^{-1}\, cm^{-2}$ in the soft $(0.2 - 2\, \mathrm{keV})$, hard $(2 - 12\, \mathrm{keV})$, and full $(0.2 - 12\, \mathrm{keV})$ bands, respectively. Using a conservative threshold of Maximum Likelihood significance of $ML \geq 6$, corresponding to $3σ$, we detected 301 point-sources for which we derived positions, fluxes in different bands, and hardness ratios. Thanks to an optical follow-up carried out using the 10.4m the Gran Telescopio Canarias (GTC) on the same field in the $u'g'r'i'z'$ bands, combined with WISE/2MASS IR data; we identified 244 optical/IR counterpart candidates for our X-ray sources and estimated their X-ray luminosities, redshift distribution, X-ray/optical $-$ X-ray/IR flux ratios, and absolute magnitudes. Finally, we divided this subsample in 40 non-active sources and 204 AGNs, of which 139 are classified as Seyfert galaxies and 41 as Quasars.
description: 30 pages, 19 figures, to be published in ApJ
Using Intelligent Agents to Understand Management Practices and Retail Productivity
Creators: name: Siebers, Peer-Olaf
name: Aickelin, Uwe
name: Celia, Helen
name: Clegg, Christopher
Publisher: name: arXiv
Year: 2008
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Computational Engineering, Finance, and Science (cs.CE)
subject: Multiagent Systems (cs.MA)
subject: FOS: Computer and information sciences

description: Intelligent agents offer a new and exciting way of understanding the world of work. In this paper we apply agent-based modeling and simulation to investigate a set of problems in a retail context. Specifically, we are working to understand the relationship between human resource management practices and retail productivity. Despite the fact we are working within a relatively novel and complex domain, it is clear that intelligent agents could offer potential for fostering sustainable organizational capabilities in the future. The project is still at an early stage. So far we have conducted a case study in a UK department store to collect data and capture impressions about operations and actors within departments. Furthermore, based on our case study we have built and tested our first version of a retail branch simulator which we will present in this paper.