cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Progression in self-efficacy, interest, identity, sense of belonging, perceived recognition and effectiveness of peer interaction of physics majors and comparison with non-majors and Ph.D. students
Creators: name: Whitcomb, Kyle
name: Maries, Alexandru
name: Singh, Chandralekha
Publisher: name: arXiv
Year: 2023
Subjects: subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: The importance of science beliefs such as self-efficacy, interest, identity, sense of belonging, perceived recognition and effectiveness of peer interaction in science education has been increasingly recognized in recent years. Here, we use five years of data from a validated survey administered to non-majors during their first year, physics majors throughout their undergraduate education, and first-year physics Ph.D. students at a large research university in the US. We find that physics majors in the first-year responded to the survey prompts more positively than their non-physics major peers who were in the same introductory courses, with the largest differences in perceived recognition, interest, and physics identity and somewhat smaller differences in self-efficacy, perception of peer interaction, and sense of belonging. Further, the average survey responses of physics majors for each belief remain largely constant over time from their first-year of the undergraduate curriculum through the last year and comparable to the Ph.D. students. This suggests that students are adjusting their interpretation of the survey items to match the current level of expertise expected of them. One exception occurs in the second year, when peer interaction and sense of belonging reach a minimum. Moreover, physics identity dips to the lowest value in the fourth year when many students are contemplating continuing in physics beyond their undergraduate years or switching fields. We also find that perceived recognition is the best predictor of physics identity for physics majors throughout their entire physics education, pointing to the importance of instructors making a concerted effort to recognize and affirm their students throughout their education.
description: Res Sci Educ (2022)
Multilevel distillation of magic states for quantum computing
Creators: name: Jones, Cody
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We develop a procedure for distilling magic states used in universal quantum computing that requires substantially fewer initial resources than prior schemes. Our distillation circuit is based on a family of concatenated quantum codes that possess a transversal Hadamard operation, enabling each of these codes to distill the eigenstate of the Hadamard operator. A crucial result of this design is that low-fidelity magic states can be consumed to purify other high-fidelity magic states to even higher fidelity, which we call "multilevel distillation." When distilling in the asymptotic regime of infidelity $ε\rightarrow 0$ for each input magic state, the number of input magic states consumed on average to yield an output state with infidelity $O(ε^{2^r})$ approaches $2^r+1$, which comes close to saturating the conjectured bound in [Phys. Rev. A 86, 052329]. We show numerically that there exist multilevel protocols such that the average number of magic states consumed to distill from error rate $ε_{\mathrm{in}} = 0.01$ to $ε_{\mathrm{out}}$ in the range $10^{-5}$ to $10^{-40}$ is about $14\log_{10}(1/ε_{\mathrm{out}}) - 40$; the efficiency of multilevel distillation dominates all other reported protocols when distilling Hadamard magic states from initial infidelity 0.01 to any final infidelity below $10^{-7}$. These methods are an important advance for magic-state distillation circuits in high-performance quantum computing, and they provide insight into the limitations of nearly resource-optimal quantum error correction.
description: 10 pages, 4 figures
Macrophage migration inhibitory factor -173 G/C polymorphism is associated with an increased risk of pulmonary tuberculosis in Zahedan, Southeast Iran
Creators: name: Hashemi, Mohammad
name: Sharifi-Mood, Batool
name: Rasouli, Azam
name: Amininia, Shadi
name: Naderi, Mohammad
name: Taheri, Mohsen
Publisher: name: IfADo - Leibniz Research Centre for Working Environment and Human Factors
Year: 2015
Subjects: tuberculosis
macrophage migration inhibitory factor
MIF
polymorphism

description: Macrophage migration inhibitory factor (MIF) has an important role in controlling infection. The aim of this study was to evaluate the possible association between MIF -173 G/C functional polymorphism and pulmonary tuberculosis (PTB) in an Iranian population from Zahedan Southeast Iran. This case-control study was done on 161 PTB and 142 healthy subjects. Genomic DNA was extracted from all participants by salting out method. The MIF -173 G/C variant was genotyped using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The finding showed that the MIF -173 G/C polymorphism increased the risk of PTB in codominant (OR=1.76, 95 % CI=1.05-2.95, p=0.038, GC vs GG) and dominant (OR=1.78, 95 % CI=1.09-2.91, p=0.027, GC+CC vs GG) tested inheritance models. Furthermore, the minor allele frequency (MAF) increased the risk of PTB in comparison with G allele (OR=1.63, 95 % CI=1.07-2.48, p=0.028). In conclusion, the present study provides evidence that -173 G/C polymorphism may increase the risk of PTB.
description: EXCLI Journal; 14:Doc117; ISSN 1611-2156
Impact of blood rheology on wall shear stress in a model of the middle cerebral artery
Creators: name: Bernabeu, Miguel O.
name: Nash, Rupert W.
name: Groen, Derek
name: Carver, Hywel B.
name: Hetherington, James
name: Krüger, Timm
name: Coveney, Peter V.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Computational Engineering, Finance, and Science (cs.CE)
subject: Fluid Dynamics (physics.flu-dyn)
subject: Medical Physics (physics.med-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: Perturbations to the homeostatic distribution of mechanical forces exerted by blood on the endothelial layer have been correlated with vascular pathologies including intracranial aneurysms and atherosclerosis. Recent computational work suggests that in order to correctly characterise such forces, the shear-thinning properties of blood must be taken into account. To the best of our knowledge, these findings have never been compared against experimentally observed pathological thresholds. In the current work, we apply the three-band diagram (TBD) analysis due to Gizzi et al. to assess the impact of the choice of blood rheology model on a computational model of the right middle cerebral artery. Our results show that, in the model under study, the differences between the wall shear stress predicted by a Newtonian model and the well known Carreau-Yasuda generalized Newtonian model are only significant if the vascular pathology under study is associated with a pathological threshold in the range 0.94 Pa to 1.56 Pa, where the results of the TBD analysis of the rheology models considered differs. Otherwise, we observe no significant differences.
description: 14 pages, 6 figures, published at Interface Focus
A review of distributed statistical inference
Creators: name: Gao, Yuan
name: Liu, Weidong
name: Wang, Hansheng
name: Wang, Xiaozhou
name: Yan, Yibo
name: Zhang, Riquan
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computation (stat.CO)
subject: FOS: Computer and information sciences

description: The rapid emergence of massive datasets in various fields poses a serious challenge to traditional statistical methods. Meanwhile, it provides opportunities for researchers to develop novel algorithms. Inspired by the idea of divide-and-conquer, various distributed frameworks for statistical estimation and inference have been proposed. They were developed to deal with large-scale statistical optimization problems. This paper aims to provide a comprehensive review for related literature. It includes parametric models, nonparametric models, and other frequently used models. Their key ideas and theoretical properties are summarized. The trade-off between communication cost and estimate precision together with other concerns are discussed.
Intent-driven Orchestration of Serverless Applications in the Computing Continuum
Creators: name: Zafeiropoulos, Anastasios
name: Nikos, Filinis
name: Ioannis, Tzanettis
name: Dimitrios, Spatharakis
name: Eleni, Fotopoulou
name: Ioannis, Dimolitsas
name: Constantinos, Vassilakis
name: Symeon, Papavassiliou
Publisher: name: Zenodo
Year: 2024

description: Following the emergence of Internet of Things (IoT) and edge computing technologies and the development of distributed applications with strict Quality of Service (QoS) requirements, a transition is underway from centralized computing models to distributed computing continuum systems. The latter provide abstractions of the available resources, while they lead to the development of orchestration mechanisms with increased distributed intelligence and autonomy characteristics. These characteristics make the computing continuum suitable for managing serverless computing applications, considering their loose coupling with the resources and the need for reactiveness and efficiency to serve dynamic workloads in the edge and cloud part of the infrastructure. This paper presents an intent-based approach for the orchestration of a function chain over an edge and cloud infrastructure. We propose a Reinforcement Learning (RL) based autoscaling method that incorporates a reward function that aims to provide optimal utilization of resources and timely autoscaling of the functions, taking advantage of methods for workload prediction. Based on a high-level intent, the proposed optimization problem dictates the scheduling of the functions, minimizing the communication overhead and transformation cost while also considering the energy efficiency of the infrastructure. The proposed solution is evaluated with other state-of-the-art techniques for autoscaling and scheduling of serverless functions in a small edge infrastructure. Our solution provides 1.52% QoS violations with a slight increase in the deployed resources, while also significantly reducing the total cost and power consumption for the deployment of the function chain.
Magnetism in parent Fe-chalcogenides: quantum fluctuations select a plaquette order
Creators: name: Ducatman, Samuel
name: Perkins, Natalia B.
name: Chubukov, Andrey
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We analyze magnetic order in iron-chalcogenide Fe$_{1+y}$Te -- the parent compound of high-temperature superconductor Fe$_{1+y}$Te$_{1-x}$Se$_x$. Neutron scattering experiments show that magnetic order in this material contains components with momentum $Q_1=(π/2, π/2)$ and $Q_2 =(π/2, -π/2)$ in Fe-only Brillouin zone. The actual spin order depends on the interplay between these two components. Previous works argued that spin order is a single-$Q$ state (either $Q_1$ or $Q_2$). Such an order breaks rotational $C_4$ symmetry and order spins into a double diagonal stripe. We show that quantum fluctuations actually select another order -- a double $Q$ plaquette state with equal weight of $Q_1$ and $Q_2$ components, which preserves $C_4$ symmetry but breaks $Z_4$ translational symmetry. We argue that the plaquette state is consistent with recent neutron scattering experiments on Fe$_{1+y}$Te.
description: 8 pages, 3 figures
On the asymptotic properties of a bagging estimator with a massive dataset
Creators: name: Gao, Yuan
name: Zhang, Riquan
name: Wang, Hansheng
Publisher: name: arXiv
Year: 2023
Subjects: subject: Statistics Theory (math.ST)
subject: Computation (stat.CO)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Bagging is a useful method for large-scale statistical analysis, especially when the computing resources are very limited. We study here the asymptotic properties of bagging estimators for $M$-estimation problems but with massive datasets. We theoretically prove that the resulting estimator is consistent and asymptotically normal under appropriate conditions. The results show that the bagging estimator can achieve the optimal statistical efficiency, provided that the bagging subsample size and the number of subsamples are sufficiently large. Moreover, we derive a variance estimator for valid asymptotic inference. All theoretical findings are further verified by extensive simulation studies. Finally, we apply the bagging method to the US Airline Dataset to demonstrate its practical usefulness.
B-field in AdS(3)/CFT(2) Correspondence and Integrability
Creators: name: Cagnazzo, Alessandra
name: Zarembo, Konstantin
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We construct topological Wess-Zumino term for supercoset sigma-models on various AdS(3) backgrounds. For appropriately chosen set of parameters, the sigma-model remains integrable when the Wess-Zumino term is added to the action. Moreover, the conditions for integrability, kappa-symmetry and conformal invariance are equivalent to each other.
description: 27 pages, 1 figure, v2: misprints corrected, reference added, v3: misprints in (4.1) and (4.2) corrected
Serial dependence is related to the task and not the stimulus
Creators: name: Ceylan, Gizay
name: Herzog, Michael H.
name: Pascucci, David
Publisher: name: Zenodo
Year: 2021
Subjects: serial dependence
perceptual decisions
task relevance

description: The document contains a poster for the V-VSS 2021 (21-26 May 2021). The poster summarises a research project on serial dependence in perceptual decisions.
Time-Dependent Hartree-Fock Approach to Nuclear Pasta at Finite Temperature
Creators: name: Schuetrumpf, Bastian
name: Klatt, Michael Andreas
name: Iida, Kei
name: Maruhn, Joachim
name: Mecke, Klaus
name: Reinhard, Paul-Gerhard
Publisher: name: arXiv
Year: 2012
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We present simulations of neutron-rich matter at subnuclear densities, like supernova matter, with the time-dependent Hartree-Fock approximation at temperatures of several MeV. The initial state consists of $α$ particles randomly distributed in space that have a Maxwell-Boltzmann distribution in momentum space. Adding a neutron background initialized with Fermi distributed plane waves the calculations reflect a reasonable approximation of astrophysical matter. This matter evolves into spherical, rod-like, and slab-like shapes and mixtures thereof. The simulations employ a full Skyrme interaction in a periodic three-dimensional grid. By an improved morphological analysis based on Minkowski functionals, all eight pasta shapes can be uniquely identified by the sign of only two valuations, namely the Euler characteristic and the integral mean curvature. In addition, we propose the variance in the cell density distribution as a measure to distinguish pasta matter from uniform matter.
description: 7 pages, 4 figures, corrected references, references added in Sec. I and Sec. II, added comments on future work, added sentence to abstract, rewritten sentences in Sec.III and added comparison to ref. 52, results unchanged
Les Miracles de Notre-Dame de Rocamadour au XIIe siècle, texte et traduction par E. Albe, introduction et complément de notes par J. Rocacher. Préface de R. Pernoud, 1996
Creators: name: Herbers, K.
Publisher: name: Francia
Year: 2019

description: Francia, Bd. 27 Nr. 1 (2000)
Dyadic harmonic analysis beyond doubling measures
Creators: name: López-Sánchez, Luis Daniel
name: Martell, José María
name: Parcet, Javier
Publisher: name: arXiv
Year: 2012
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 42B20, 42B25, 42C40, 42C10

description: We characterize the Borel measures $μ$ on $\mathbb{R}$ for which the associated dyadic Hilbert transform, or its adjoint, is of weak-type $(1,1)$ and/or strong-type $(p,p)$ with respect to $μ$. Surprisingly, the class of such measures is strictly bigger than the traditional class of dyadically doubling measures and strictly smaller than the whole Borel class. In higher dimensions, we provide a complete characterization of the weak-type $(1,1)$ for arbitrary Haar shift operators, cancellative or not, written in terms of two generalized Haar systems and these include the dyadic paraproducts. Our main tool is a new Calderón-Zygmund decomposition valid for arbitrary Borel measures which is of independent interest.
The time course of serial dependence: an interplay between perceptual decisions and task relevant representations
Creators: name: Ceylan, Gizay
name: Herzog, Michael H.
name: Pascucci, David
Publisher: name: Zenodo
Year: 2021
Subjects: serial dependence
perceptual decisions
task relevance
continuity field

description: The document contains a poster for the ECVP 2021 (22-27 August 2021). The poster summarises a research project on serial dependence in perceptual decisions.
Modeling The Detectability Of Exoplanets For The Palomar Extreme Adaptive Optics Palm-3000 System.
Creators: name: Patel, Rahul
name: Metchev, Stanimir
Publisher: name: Zenodo
Year: 2011
Subjects: Exoplanet
palomar
PALM-3000
direct imaging
adaptive optics

description: Poster I presented at the 218th Meeting of the American Astronomical Society.

Abstract:

In this study, we present the projected capabilities and detection limitations for the PALM-3000 Extreme Adaptive Optics system to directly image super-Jupiter planets around nearby stars. PALM-3000 is the new adaptive optics system for the Palomar 5 m telescope, which employs a 3366 - actuator deformable mirror and is expected to deliver contrast ratios near 107 at 1 arc second from bright stars. The PALM-3000 system will be an upgrade from the current Adaptive Optics system at Palomar and commissioning will begin in the summer of 2011. Planetary and orbital parameters (mass, eccentricity, semi-major axis) were randomly sampled from known distributions, which have been established or extrapolated from radial velocity observations. Parent stars were modeled in accordance with the stellar initial mass function (IMF) and given randomized ages and distances from Earth. Probability for detection was modeled using a Monte-Carlo simulation written in IDL. Projected contrast curves in the H band for PALM-3000 were used as the constraints for planetary detection.
Complete hyperentangled-Bell-state analysis for photon systems assisted by quantum-dot spins in optical microcavities
Creators: name: Ren, Bao-Cang
name: Wei, Hai-Rui
name: Hua, Ming
name: Li, Tao
name: Deng, Fu-Guo
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Bell-state analysis (BSA) is essential in quantum communication, but it is impossible to distinguish unambiguously the four Bell states in the polarization degree of freedom (DOF) of two-photon systems with only linear optical elements, except for the case in which the BSA is assisted with hyperentangled states, the simultaneous entanglement in more than one DOF. Here, we propose a scheme to distinguish completely the 16 hyperentangled Bell states in both the polarization and the spatial-mode DOFs of two-photon systems, by using the giant nonlinear optics in quantum dot-cavity systems. This scheme can be applied to increase the channel capacity of long-distance quantum communication based on hyperentanglement, such as entanglement swapping, teleportation, and superdense coding. We use hyperentanglement swapping as an example to show the application of this HBSA.
description: 11 pages (in one column), 5 figures
La noblesse dans les territoires angevins à la fin du moyen âge. Actes du colloque international organisé par l'Université d'Angers, Angers-Saumur, 3–6 juin 1998, hg. von N. Coulet, J.-M. Matz, 2000
Creators: name: Prietzel, Malte
Publisher: name: Francia
Year: 2019

description: Francia, Bd. 29 Nr. 1 (2002)
Y Mañana Qué…
Creators: name: Morales Valdés, Emerson
Publisher: name: Zenodo
Year: 2010

description: RESUMEN

Jacques DERRIDA, Élisabeth ROUDINESCO,

Y mañana qué...

Traducción de Ví­ctor Goldstein, Ed. Fondo de Cultura Económica, Buenos Aires, Junio de 2009, 213 pp.

ISBN:978-950-557-811-5
Chiral extrapolation of baryon mass ratios
Creators: name: Bruns, P. C.
name: Greil, L.
name: Schäfer, A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We analyze lattice data for octet baryon masses from the QCDSF collaboration employing manifestly covariant Baryon Chiral Perturbation Theory. It is shown that certain combinations of low-energy constants can be fixed more accurately than before from this data. We also examine the impact of this analysis on the pion-nucleon sigma term, and on the convergence properties of baryon mass expansions in the SU(3) symmetry limit.
description: Updated version, to be published in Phys. Rev. D
Les ventes de livres et leurs catalogues, XVIIe–XXe siècle. Actes des journées d'étude (Paris, 15 janvier 1998 et Villeurbanne, 22 janvier 1998) réunis par A. Charon et É. Parinet avec la collaboration de D. Bougé-Grandon, 2000
Creators: name: Beckmann, Friedhelm
Publisher: name: Francia
Year: 2019

description: Francia, Bd. 29 Nr. 2 (2002)
Work, lifestyle and location: An exploratory study on the motivations of digital entrepreneurs
Creators: name: Bancilhon, Angela
Publisher: name: CQUniversity
Year: 2023
Subjects: classificationCode: 350899
subject: Tourism not elsewhere classified
classificationCode: 350704
subject: Entrepreneurship
classificationCode: 350307
subject: Technology management
classificationCode: 350705
subject: Innovation management

description: At the nexus of alternate ways of working and living, a new type of entrepreneur has emerged. With varying degrees of flexibility over how, when and where they work, Digital Entrepreneurs (DEs) are a potentially significant breed of online business owner about which little is known. This thesis explores the motivations of DEs in creating their businesses, how they balance work with lifestyle domains and the role of location in their lives. Digital entrepreneurship is a highly topical yet under researched phenomenon. Employing a qualitative multiple case study research approach, semi-structured, in-depth interviews were conducted with thirty-six digital entrepreneurs in Australia and Bali. The aim of this approach was to gain insight into the subjective experience of DEs and a broader understanding of how they work and live. Motivational theories inform the study’s theoretical framework, with Push-Pull Theory being the most prominent. While a significant body of literature exists in relation to the motivations of traditional entrepreneurs, the digital landscape provides an alternative context for business ownership and allows a new degree of temporal and spatial flexibility. Five key themes emerged from the research findings through thematic analysis of the data. Each of these five themes provide potentially significant insights into the DE phenomenon and they are discussed and explored in light of relevant literature. These themes are synthesised into a model which presents the key motivational forces for digital entrepreneurship, informed by Push-Pull Theory, in the context of the digital landscape and broader economic and sociocultural environment. In view of DEs’ temporal flexibility, the findings provide insights as to the different approaches DEs take to balancing work with other life domains. Also presented are the work, lifestyle and community factors that emerged as significant for DEs in choosing where to base themselves. Further, in the absence of a widely accepted definition of the term “Digital Entrepreneur” this study proposes a definition based on the research findings. This research has practical implications for regional and tourist areas looking to attract DEs, for the coworking spaces that support them and for those considering digital entrepreneurship.
Measurement of the flavour composition of dijet events in pp collisions at sqrt{s}=7 TeV with the ATLAS detector
Creators: name: The ATLAS Collaboration
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: This paper describes a measurement of the flavour composition of dijet events produced in pp collisions at sqrt{s}=7 TeV using the ATLAS detector. The measurement uses the full 2010 data sample, corresponding to an integrated luminosity of 39 pb^-1. Six possible combinations of light, charm and bottom jets are identified in the dijet events, where the jet flavour is defined by the presence of bottom, charm or solely light flavour hadrons in the jet. Kinematic variables, based on the properties of displaced decay vertices and optimised for jet flavour identification, are used in a multidimensional template fit to measure the fractions of these dijet flavour states as functions of the leading jet transverse momentum in the range 40 GeV to 500 GeV and jet rapidity |y| < 2.1. The fit results agree with the predictions of leading- and next-to-leading-order calculations, with the exception of the dijet fraction composed of bottom and light flavour jets, which is underestimated by all models at large transverse jet momenta. The ability to identify jets containing two b-hadrons, originating from e.g. gluon splitting, is demonstrated. The difference between bottom jet production rates in leading and subleading jets is consistent with the next-to-leading-order predictions.
description: 17 pages plus author list (31 pages in total), 10 figures, 2 tables, submitted to European Physical Journal C. All figures including auxiliary figures will be available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/STDM-2011-40/ Revision corresponds to published version
Characterization of multi-mode linear optical networks
Creators: name: Hoch, Francesco
name: Giordani, Taira
name: Spagnolo, Nicolò
name: Crespi, Andrea
name: Osellame, Roberto
name: Sciarrino, Fabio
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Multi-mode optical interferometers represent the most viable platforms for the successful implementation of several quantum information schemes that take advantage of optical processing. Examples range from quantum communication, sensing and computation, including optical neural networks, optical reservoir computing or simulation of complex physical systems. The realization of such routines requires high levels of control and tunability of the parameters that define the operations carried out by the device. This requirement becomes particularly crucial in light of recent technological improvements in integrated photonic technologies, which enable the implementation of progressively larger circuits embedding a considerable amount of tunable parameters. In this work, we formulate efficient procedures for the characterization of optical circuits in the presence of imperfections that typically occur in physical experiments, such as unbalanced losses and phase instabilities in the input and output collection stages. The algorithm aims at reconstructing the transfer matrix that represents the optical interferometer without making any strong assumptions about its internal structure and encoding. We show the viability of this approach in an experimentally relevant scenario, defined by a tunable integrated photonic circuit, and we demonstrate the effectiveness and robustness of our method. Our findings can find application in a wide range of optical setups, based both on bulk and integrated configurations.
description: 18 pages, 5 figures
Persistency of entanglement and nonlocality in multipartite quantum systems
Creators: name: Brunner, Nicolas
name: Vertesi, Tamas
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The behaviour under particle loss of entanglement and nonlocality is investigated in multipartite quantum systems. In particular, we define a notion of persistency of nonlocality, which leads to device-independent tests of persistent entanglement. We investigate the persistency of various classes of multipartite quantum states, exhibiting a variety of different behaviours. A particular attention is devoted to states featuring maximal persistency. Finally we discuss a link between the symmetry of a state and its persistency, illustrating the fact that too much symmetry reduces the strength of correlations among subsystems. These ideas also lead to a device-independent estimation of the asymmetry of a quantum state.
description: 7 pages, 1 figure. Minor changes
Eliminating Electromagnetic Scattering from Small Particles
Creators: name: Vehmas, Joni
name: Ra'di, Younes
name: Karilainen, Antti
name: Tretyakov, Sergei
Publisher: name: arXiv
Year: 2012
Subjects: subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: This paper presents and discusses the conditions for zero electromagnetic scattering by electrically small particles. We consider the most general bi-anisotropic particles, characterized by four dyadic polarizabilities and study the case of uniaxially symmetric objects. Conditions for zero backward and forward scattering are found for a general uniaxial bi-anisotropic particle and specialized for all fundamental classes of bi-anisotropic particles: omega, "moving", chiral, and Tellegen particles. Possibility for zero total scattering is also discussed for aforementioned cases. The scattering pattern and polarization of the scattered wave are also determined for each particle class. In particular, we analyze the interplay between different scattering mechanisms and show that in some cases it is possible to compensate scattering from a polarizable particle by appropriate magneto-electric coupling. Examples of particles providing zero backscattering and zero forward scattering are presented and studied numerically.
description: 10 pages, 7 figure, accepted to be published in IEEE Transactions on Antennas and Propagation
Jacques Derrida. Una Biografía
Creators: name: Ríos López, Martín
Publisher: name: Zenodo
Year: 2014

description: Jason POWELL.

Jacques Derrida. Una Biografí­a.

Traducción de M. Josep Cuenca. Ed. Universitat de Valéncia 2008, 309 pp.

ISBN: 978-84-370-7052-0.
A next-to-next-to-leading order calculation of soft-virtual cross sections
Creators: name: de Florian, Daniel
name: Mazzitelli, Javier
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We compute the next-to-next-to-leading order (NNLO) soft and virtual QCD corrections for the partonic cross section of colourless-final state processes in hadronic collisions. The results are valid to all orders in the dimensional regularization parameter $\ep$. The dependence of the results on a particular process is given through finite contributions to the one and two-loop amplitudes. To evaluate the accuracy of the soft-virtual approximation we compare it with the full NNLO result for Drell-Yan and Higgs boson production via gluon fusion. We also provide a universal expression for the hard coefficient needed to perform threshold resummation up to next-to-next-to-leading logarithmic (NNLL) accuracy.
description: 25 pages, 4 figures
Anthropomorphic finger for grasping applications: 3D printed endoskeleton in a soft skin
Creators: name: Tavakoli, Mahmoud
name: Sayuk, Andriy
name: Lourenço, João
name: Neto, Pedro
Publisher: name: arXiv
Year: 2023
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Application of soft and compliant joints in grasping mechanisms received an increasing attention during recent years. This article suggests the design and development of a novel bio-inspired compliant finger which is composed of a 3D printed rigid endoskeleton covered by a soft matter. The overall integrated system resembles a biological structure in which a finger presents an anthropomorphic look. The mechanical properties of such structure are enhanced through optimization of the repetitive geometrical structures that constructs a flexure bearing as a joint for the fingers. The endoskeleton is formed by additive manufacturing of such geometries with rigid materials. The geometry of the endoskeleton was studied by finite element analysis (FEA) to obtain the desired properties: high stiffness against lateral deflection and twisting, and low stiffness in the desired bending axis of the fingers. Results are validated by experimental analysis.
Coherent feedback that beats all measurement-based feedback protocols
Creators: name: Jacobs, Kurt
name: Wang, Xiaoting
name: Wiseman, Howard M.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We show that when the speed of control is bounded, there is a widely applicable minimal-time control problem for which a coherent feedback protocol is optimal, and is faster than all measurement-based feedback protocols, where the latter are defined in a strict sense. The superiority of the coherent protocol is due to the fact that it can exploit a geodesic path in Hilbert space, a path that measurement-based protocols cannot follow.
description: 4 pages, revtex4-1, 1 png figure; v2: new (now optimal) coherent protocol, new author
Hans-Otto Muthmann, Mehrfachgefäße in ur- und frühgeschichtlicher Zeit
Creators: name: Mayer, Eugen Friedrich
Publisher: name: Bonner Jahrbücher
Year: 2019

description: Hans-Otto Muthmann, Mehrfachgefäße in ur- und frühgeschichtlicher Zeit. Schäuble- Verlag, Rheinfelden 1987. 2 Textbände mit 470 Seiten, 2 Katalogbände mit 479 Seiten, 2 Tafelbände mit 706 Seiten.
description: Bonner Jahrbücher, Bd. 188.1988: Bonner Jahrbücher
Anastasia Pekridou, Das Alketasgrab in Termessos
Creators: name: Gossel-Raeck, Berthild
Publisher: name: Bonner Jahrbücher
Year: 2019

description: Anastasia Pekridou, Das Alketasgrab in Termessos. Istanbuler Mitteilungen, Beiheft 31. Verlag Ernst Wasmuth, Tübingen 1986. 133 Seiten mit 14 Textabbildungen, 16 Tafeln.
description: Bonner Jahrbücher, Bd. 188.1988: Bonner Jahrbücher
The Hofer question on intermediate symplectic capacities
Creators: name: Pelayo, Alvaro
name: Ngoc, San Vu
Publisher: name: arXiv
Year: 2012
Subjects: subject: Symplectic Geometry (math.SG)
subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics

description: Roughly twenty five years ago Hofer asked: can the cylinder B^2(1) \times \mathbb{R}^{2(n-1)} be symplectically embedded into B^{2(n-1)}(R) \times \mathbb{R}^2 for some R>0? We show that this is the case if R \geq \sqrt{2^{n-1}+2^{n-2}-2}. We deduce that there are no intermediate capacities, between 1-capacities, first constructed by Gromov in 1985, and n-capacities, answering another question of Hofer. In 2008, Guth reached the same conclusion under the additional hypothesis that the intermediate capacities should satisfy the exhaustion property.
description: Main theorems and their proofs unchanged. Results not needed for these proofs removed for clarity (and posted as a separate paper). Title changed to emphasize main results. 21 pages, 7 figures
Event-based tracking of human hands
Creators: name: Duarte, Laura
name: Safeea, Mohammad
name: Neto, Pedro
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: This paper proposes a novel method for human hands tracking using data from an event camera. The event camera detects changes in brightness, measuring motion, with low latency, no motion blur, low power consumption and high dynamic range. Captured frames are analysed using lightweight algorithms reporting 3D hand position data. The chosen pick-and-place scenario serves as an example input for collaborative human-robot interactions and in obstacle avoidance for human-robot safety applications. Events data are pre-processed into intensity frames. The regions of interest (ROI) are defined through object edge event activity, reducing noise. ROI features are extracted for use in-depth perception. Event-based tracking of human hand demonstrated feasible, in real time and at a low computational cost. The proposed ROI-finding method reduces noise from intensity images, achieving up to 89% of data reduction in relation to the original, while preserving the features. The depth estimation error in relation to ground truth (measured with wearables), measured using dynamic time warping and using a single event camera, is from 15 to 30 millimetres, depending on the plane it is measured. Tracking of human hands in 3D space using a single event camera data and lightweight algorithms to define ROI features (hands tracking in space).
Planetary Monte-Carlo: Detection Efficiency Of Palm-3000
Creators: name: Patel, Rahul
name: Metchev, Stanimir
Publisher: name: Zenodo
Year: 2010
Subjects: Simulations
Monte-Carlo
Exoplanet

description: Mini presentation given to tri-state area astronomers at the American Museum of Natural History on preliminary results of a monte-carlo simulation to optimize targets for direct imaging of exoplanets using the new P3K and Vortex Coronagraph.
Sándor Soproni, Die letzten Jahrzehnte des pannonischen Limes
Creators: name: Wachtel, Klaus
Publisher: name: Bonner Jahrbücher
Year: 2019

description: Rezension zu: Sándor Soproni, Die letzten Jahrzehnte des pannonischen Limes. Münchner Beiträge zur Vor- und Frühgeschichte 38. Verlag C. H. Beck, München 1985. 128 Seiten, 52 Abbildungen im Text, 21 Tafeln, 2 Beilagen
description: Bonner Jahrbücher, Bd. 188.1988: Bonner Jahrbücher
Characterization and computation of infinite horizon specifications over Markov processes
Creators: name: Tkachev, Ilya
name: Abate, Alessandro
Publisher: name: arXiv
Year: 2012
Subjects: subject: Optimization and Control (math.OC)
subject: Logic in Computer Science (cs.LO)
subject: Systems and Control (eess.SY)
subject: Probability (math.PR)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 60J05, 68Q60

description: This work is devoted to the formal verification of specifications over general discrete-time Markov processes, with an emphasis on infinite-horizon properties. These properties, formulated in a modal logic known as PCTL, can be expressed through value functions defined over the state space of the process. The main goal is to understand how structural features of the model (primarily the presence of absorbing sets) influence the uniqueness of the solutions of corresponding Bellman equations. Furthermore, this contribution shows that the investigation of these structural features leads to new computational techniques to calculate the specifications of interest: the emphasis is to derive approximation techniques with associated explicit convergence rates and formal error bounds.
The establishment of a sustainable school information system in Vanuatu: A case study of secondary schools in the Republic of Vanuatu
Creators: name: Fakamuria, Kenneth
Publisher: name: CQUniversity
Year: 2023
Subjects: classificationCode: 460999
subject: Information systems not elsewhere classified

description: Schools in the Republic of Vanuatu began using Information and Communication Technologies (ICT) in the mid-1990s for learning and teaching. The rationale given then for using ICT was that it would improve learning and prepare students for the future work force. Over the years however, it was observed that the practice of integrating ICT into schools was not systematic and this led to the implementation of many school information systems (SIS) that could not be sustained over the long term. This research set out to explore factors that had an impact on the sustainable integration of ICT into schools in Vanuatu. The research used an exploratory case study methodology to examine ICT implementation practices in schools and factors in the school external context that had an impact on ICT implementation in schools. Sustainability literature was used to explore ICT integration into schools in other settings and to examine factors identified in these settings that were considered important to SIS sustainability in the Vanuatu school setting. The findings of the research revealed three broad categories of factors that impacted on SIS sustainability in Vanuatu schools: the first category was concerned with the importance of using standard information systems development methodologies and practices to implement and operate the SIS; the second was concerned with the importance of the school as an organisation within the Vanuatu school system to align the SIS’s functions to its strategic school objectives while at the same time adapting itself to accommodate the SIS; and the third category was concerned with the importance of taking into account the impact of external factors on the integration of ICT to schools. These include such physical factors as the remoteness of small islands, the contributions of the school stakeholder community to SIS development and support and the influence of Vanuatu traditional culture. The findings of the research have been used to develop a set of guidelines for the establishment of a sustainable school information system (SIS) in Vanuatu.
Magnetic dissipation in the Crab Nebula
Creators: name: Komissarov, S. S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Magnetic dissipation is frequently invoked as a way of powering the observed emission of relativistic flows in Gamma Ray Bursts and Active Galactic Nuclei. Pulsar Wind Nebulae provide closer to home cosmic laboratories which can be used to test the hypothesis. To this end, we analyze the observational data on the spindown power of the Crab pulsar, energetics of the Crab nebula, and its magnetic field. We show that unless the magnetic inclination angle of the Crab pulsar is very close to 90 degrees the overall magnetization of the striped wind after total dissipation of its stripes is significantly higher than that deduced in the Kennel-Coroniti model and recent axisymmetric simulations of Pulsar Wind Nebulae. On the other hand, higher wind magnetization is in conflict with the observed low magnetic field of the Crab nebula, unless it is subject to efficient dissipation inside the nebula as well. For the likely inclination angle of 45 degrees the data require magnetic dissipation on the timescale about 80 years, which is short compared to the life-time of the nebula but long compared to the time scale of Crab's gamma-ray flares.
description: Accepted for publication in MNRAS
Jeannot Metzler, Johny Zimmer und Lothar Bakker, Ausgrabungen in Echternach
Creators: name: Hoffmann, Adolf
Publisher: name: Bonner Jahrbücher
Year: 2019

description: Rezension zu: Jeannot Metzler, Johny Zimmer und Lothar Bakker, Ausgrabungen in Echternach. Mit Beiträgen von J. Bintz, E. Groessens, G. Vandenven und R. Weiller. Publication du Ministere des Affaires Culturelles et de la Ville d’Echternach, Luxemburg 1981. 394 Seiten, 263 Abbildungen und 10 Beilagen
description: Bonner Jahrbücher, Bd. 188.1988: Bonner Jahrbücher
Key determinants influencing stakeholders' trust towards their intention to adopt smart city services in Australian regional cities
Creators: name: Neupane, Chiranjivi
Publisher: name: CQUniversity
Year: 2023
Subjects: classificationCode: 460407
subject: System and network security
classificationCode: 460909
subject: Information systems philosophy, research methods and theory

description: This research developed a theoretical model to identify determinants influencing stakeholders’ trust towards their intention to adopt smart city services in regional Australian cities. Survey data were collected from ICT professionals working in regional Queensland cities in order to test the theoretical model.
Lindsay Allason-Jones und Roger Miket, The Catalogue of Small Finds from South Shields Roman Fort
Creators: name: Haalebos, Jan Kees
Publisher: name: Bonner Jahrbücher
Year: 2019

description: Rezension zu: Lindsay Allason-Jones und Roger Miket, The Catalogue of Small Finds from South Shields Roman Fort. Mit Beiträgen von A. Welfare, T. Pettigrew und D. J. Smith. Museum of Anti- quities, Newcastle upon Type 1984. 365 Seiten mit zahlreichen Abbildungen und 12 Tafeln
description: Bonner Jahrbücher, Bd. 188.1988: Bonner Jahrbücher
Hyper-accreting black hole as GRB central engine. I: Baryon loading in GRB jets
Creators: name: Lei, Wei-Hua
name: Zhang, Bing
name: Liang, En-Wei
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: A hyper-accreting stellar-mass black hole has been long speculated as the best candidate of central engine of gamma-ray bursts (GRBs). Recent rich observations of GRBs by space missions such as Swift and Fermi pose new constraints on GRB central engine models. In this paper, we study the baryon loading processes of a GRB jet launched from a black hole central engine. We consider a relativistic jet powered by $ν\barν$-annihilation or by the Blandford-Znajek (BZ) mechanism. We consider baryon loading from a neutrino-driven wind from a neutrino-cooling-dominated accretion flow. For a magnetically dominated BZ jet, we consider neutron-drifting from the magnetic wall surrounding the jet and subsequent positron capture and proton-neutron inelastic collisions. The minumim baryon loads in both types of jet are calculated. We find that in both cases, a more luminous jet tends to be more baryon poor. A neutrino-driven "fireball" is typically "dirtier" than a magnetically dominated jet, while a magnetically dominated jet can be much cleaner. Both models have the right scaling to interpret the empirical $Γ-L_{\rm iso}$ relation discovered recently. Since some neutrino-driven jets have too much baryon loading as compared with the data, we suggest that at least a good fraction of GRBs should have a magnetically dominated central engine.
description: 9 pages, 2 figures; Accepted for publication in ApJ
Marshall's lemma for convex density estimation
Creators: name: Duembgen, Lutz
name: Rufibach, Kaspar
name: Wellner, Jon A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62G05, 62G07, 62G20 (Primary)

description: Marshall's [Nonparametric Techniques in Statistical Inference (1970) 174--176] lemma is an analytical result which implies $\sqrt{n}$--consistency of the distribution function corresponding to the Grenander [Skand. Aktuarietidskr. 39 (1956) 125--153] estimator of a non-decreasing probability density. The present paper derives analogous results for the setting of convex densities on $[0,\infty)$.
description: Published at http://dx.doi.org/10.1214/074921707000000292 in the IMS Lecture Notes Monograph Series (http://www.imstat.org/publications/lecnotes.htm) by the Institute of Mathematical Statistics (http://www.imstat.org)