cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A Scenario-Based Mobile Application for Robot-Assisted Smart Digital Homes
Creators: name: Manashty, Ali Reza
name: Rajabzadeh, Amir
name: Jahromi, Zahra Forootan
Publisher: name: arXiv
Year: 2010
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences
subject: J.7
subject: 93C95

description: Smart homes are becoming more popular, as every day a new home appliance can be digitally controlled. Smart Digital Homes are using a server to make interaction with all the possible devices in one place, on a computer or webpage. In this paper we designed and implemented a mobile application using Windows Mobile platform that can connect to the controlling server of a Smart Home and grants the access to the Smart Home devices and robots everywhere possible. UML diagrams are presented to illustrate the application design process. Robots are also considered as devices that are able to interact to other object and devices. Scenarios are defined as a set of sequential actions to help manage different tasks all in one place. The mobile application can connect to the server using GPRS mobile internet and Short Message System (SMS). Interactive home map is also designed for easier status-checking and interacting with the devices using the mobile phones.
description: 8 pages, 8 figures, IEEE Publication format, Keywords- smart homes; mobile applications; remote home controls; automated digital homes; robot assisted at home; general packet radio service (GPRS); short message system (SMS); robot assisted at home; scenario based smart home
Spectral Transformation Algorithms for Computing Unstable Modes of Large Scale Power Systems
Creators: name: Bezerra, L. H.
name: Tomei, C.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 65F15, 65F50, 93D05

description: In this paper we describe spectral transformation algorithms for the computation of eigenvalues with positive real part of sparse nonsymmetric matrix pencils $(J,L)$, where $L$ is of the form $\pmatrix{M&0\cr 0&0}$. For this we define a different extension of Möbius transforms to pencils that inhibits the effect on iterations of the spurious eigenvalue at infinity. These algorithms use a technique of preconditioning the initial vectors by Möbius transforms which together with shift-invert iterations accelerate the convergence to the desired eigenvalues. Also, we see that Möbius transforms can be successfully used in inhibiting the convergence to a known eigenvalue. Moreover, the procedure has a computational cost similar to power or shift-invert iterations with Möbius transforms: neither is more expensive than the usual shift-invert iterations with pencils. Results from tests with a concrete transient stability model of an interconnected power system whose Jacobian matrix has order 3156 are also reported here.
description: 19 pages, 1 figure
Amoxicillin chewable tablets intended for pediatric use: Formulation development, stability evaluation and taste assessment
Creators: name: Synaridou, Maria S.
name: Monou, Paraskevi Kyriaki
name: Zacharis, Constantinos K.
name: Fatouros, Dimitrios G.
name: Panderi, Irene
name: Markopoulou, Catherine K.
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Biochemistry
subject: Cell Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Developmental Biology

description: To cover the unpleasant taste of amoxicillin (250mg), maize starch (baby food) and milk chocolate were co-formulated. The raw materials and the final formulations were characterized by means of Dynamic Light Scattering (DLS), Differential Scanning Calorimetry (DSC) and Fourier-Transform Infrared (FT-IR) spectroscopy. To evaluate the taste masking two different groups of volunteers were used, according to the Ethical Research Committee of the Aristotle University of Thessaloniki. The optimization of excipients’ content in the tablet was determined by experimental design methodology (crossed D-optimal). Due to the matrix complexity, amoxicillin was extracted using liquid extraction and analyzed isocratically by HPLC. The developed chromatographic method was validated (%Recovery 98.7–101.3, %RSD =1.3, LOD and LOQ 0.15 and 0.45 μg mL-1 respectively) according to the International Conference on Harmonization (ICH) guidelines. The physicochemical properties of the tablets were also examined demonstrating satisfactory quality characteristics (diameter: 15mm, thickness: 6mm, hardness <98 Newton, loss of mass <1.0%, disintegration time ∼25min). Additionally, dissolution (%Recovery >90) and in-vitro digestion tests (%Recovery >95) were carried out. Stability experiments indicated that amoxicillin is stable in the prepared formulations for at least one year (%Recovery <91).
SDSS J162520.29+120308.7 - a new SU UMa star in the period gap
Creators: name: Olech, A.
name: de Miguel, E.
name: Otulakowska, M.
name: Thorstensen, J. R.
name: Rutkowski, A.
name: Novak, R.
name: Masi, G.
name: Richmond, M.
name: Staels, B.
name: Lowther, S.
name: Stein, W.
name: Ak, T.
name: Boyd, D.
name: Koff, R.
name: Patterson, J.
name: Eker, Z.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We report results of an extensive world-wide observing campaign devoted to the recently discovered dwarf nova SDSS J162520.29+120308.7 (SDSS J1625). The data were obtained during the July 2010 eruption of the star and in August and September 2010 when the object was in quiescence. During the July 2010 superoutburst SDSS J1625 clearly displayed superhumps with a mean period of $P_{\rm sh}=0.095942(17)$ days ($138.16 \pm 0.02$ min) and a maximum amplitude reaching almost 0.4 mag. The superhump period was not stable, decreasing very rapidly at a rate of $\dot P = -1.63(14)\cdot 10^{-3}$ at the beginning of the superoutburst and increasing at a rate of $\dot P = 2.81(20)\cdot 10^{-4}$ in the middle phase. At the end of the superoutburst it stabilized around the value of $P_{\rm sh}=0.09531(5)$ day. During the first twelve hours of the superoutburst a low-amplitude double wave modulation was observed whose properties are almost identical to early superhumps observed in WZ Sge stars. The period of early superhumps, the period of modulations observed temporarily in quiescence and the period derived from radial velocity variations are the same within measurement errors, allowing us to estimate the most probable orbital period of the binary to be $P_{\rm orb}=0.09111(15)$ days ($131.20 \pm 0.22$ min). This value clearly indicates that SDSS J1625 is another dwarf nova in the period gap. Knowledge of the orbital and superhump periods allows us to estimate the mass ratio of the system to be $q\approx 0.25$. This high value poses serious problems both for the thermal and tidal instability (TTI) model describing the behaviour of dwarf novae and for some models explaining the origin of early superhumps.
description: 10 pages, 13 figures, accepted for publication in A&A
Analytical expressions for the envelope binding energy of giants as a function of basic stellar parameters
Creators: name: Loveridge, Andrew James
name: van der Sluys, Marc
name: Kalogera, Vassiliki
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The common-envelope (CE) phase is an important stage in the evolution of binary stellar populations. The most common way to compute the change in orbital period during a CE is to relate the binding energy of the envelope of the Roche-lobe filling giant to the change in orbital energy. Especially in population-synthesis codes, where the evolution of millions of stars must be computed and detailed evolutionary models are too expensive computationally, simple approximations are made for the envelope binding energy. In this study, we present accurate analytic prescriptions based on detailed stellar-evolution models that provide the envelope binding energy for giants with metallicities between Z = 10-4 and Z = 0.03 and masses between 0.8 Msun and 100 Msun, as a function of the metallicity, mass, radius and evolutionary phase of the star. Our results are also presented in the form of electronic data tables and Fortran routines that use them. We find that the accuracy of our fits is better than 15% for 90% of our model data points in all cases, and better than 10% for 90% of our data points in all cases except the asymptotic giant branches for three of the six metallicities we consider. For very massive stars (M > 50 Msun), when stars lose more than ~20% of their initial mass due to stellar winds, our fits do not describe the models as accurately. Our results are more widely applicable - covering wider ranges of metallicity and mass - and are of higher accuracy than those of previous studies.
Electronic and magnetic structures of ternary iron selenides AFe$_2$Se$_2$ (A=K, Cs, or Tl)
Creators: name: Yan, Xun-Wang
name: Gao, Miao
name: LU, Zhong-Yi
name: Xiang, Tao
Publisher: name: arXiv
Year: 2010
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: By the first-principles electronic structure calculations, we find that the ground state of ternary iron selenides AFe$_2$Se$_2$ (A=K, Cs, or Tl) is in a bi-collinear antiferromagnetic order, in which the Fe local moments ($\sim2.8μ_B$) align ferromagnetically along a diagonal direction and antiferromagnetically along the other diagonal direction on the Fe-Fe square lattice. This bi-collinear antiferromagnetic order results from the interplay among the nearest, the next nearest, and the next next nearest neighbor superexchange interactions, mediated by Se $4p$-orbitals.
description: 4 pages and 6 figures
A new relation between quark and lepton mixing matrices
Creators: name: Qin, Nan
name: Ma, Bo-Qiang
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We propose a new relation between quark mixing matrix and lepton mixing matrix. Since the parameters in the quark sector are well determined, we employ them to describe the mixing of leptons. Phenomenologically, we study the neutrino oscillation probabilities for different channels, which can be measured precisely in forthcoming reactor and accelerator experiments. As an example of the applicability of our assumption, CP violation in the lepton sector is also discussed. In the latest T2K experiment, the range of the mixing angle $θ_{13}$ is measured, and our prediction of $θ_{13}$ is compatible with their result.
description: 12 latex pages, two figures added to discuss the dependence of the predictions on phase convention. Accepted for publication in PLB
On the Time Times Temperature Bound
Creators: name: Lopez-Ortega, A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Recently Hod proposes a lower bound on the relaxation time of a perturbed thermodynamic system. For gravitational systems this bound transforms into a condition on the fundamental quasinormal frequency. We test the bound in some spacetimes whose quasinormal frequencies are calculated exactly, as the three-dimensional BTZ black hole, the D-dimensional de Sitter spacetime, and the D-dimensional Nariai spacetime. We find that for some of these spacetimes their fundamental quasinormal frequencies do not satisfy the bound proposed by Hod.
description: 11 pages
Extended Phonon Collapse and the Origin of the Charge-Density-Wave in NbSe$_2$
Creators: name: Weber, F.
name: Rosenkranz, S.
name: Castellan, J. -P.
name: Osborn, R.
name: Hott, R.
name: Heid, R.
name: Bohnen, K. -P.
name: Egami, T.
name: Said, A. H.
name: Reznik, D.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report inelastic x-ray scattering measurements of the temperature dependence of phonon dispersion in the prototypical charge-density-wave (CDW) compound NbSe2. Surprisingly, acoustic phonons soften to zero frequency and become overdamped over an extended region around the CDW wavevector. This extended phonon collapse is dramatically different from the sharp cusp in the phonon dispersion expected from Fermi surface nesting. Instead, our experiments combined with ab initio calculations, show that it is the wavevector dependence of the electron-phonon coupling that drives the CDW formation in NbSe$_2$ and determines its periodicity. This mechanism explains the so far enigmatic behavior of CDW in NbSe$_2$ and may provide a new approach to other strongly correlated systems where electron-phonon coupling is important.
The Effect of Human Platelet-Rich Plasma on Adipose-Derived Stem Cell Proliferation and Osteogenic Differentiation
Creators: name: Tavakolinejad, Sima
name: Khosravi, Mohsen
name: Baratali Mashkani
name: Alireza Ebrahimzadeh Bideskan
name: Mossavi, Nasser Sanjar
name: Seyyed Mohammad Reza Parizadeh
name: Daryoush Hamidi Alamdari
Publisher: name: the Pasteur Institute of Iran
Year: 1996
Subjects: subject: Basic Sciences

description: Iranian Biomedical Journal (IBJ); ISSN 1028-852X
Anti de Sitter black holes and branes in dynamical Chern-Simons gravity: perturbations, stability and the hydrodynamic modes
Creators: name: Delsate, Terence
name: Cardoso, Vitor
name: Pani, Paolo
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Dynamical Chern-Simons (DCS) theory is an extension of General Relativity in which the gravitational field is coupled to a scalar field through a parity violating term. We study perturbations of anti-de Sitter black holes and branes in such a theory, and show that the relevant equations reduce to a set of coupled ODEs which can be solved efficiently through a series expansion. We prove numerically that black holes and branes in DCS gravity are stable against gravitational and scalar perturbations in the entire parameter space. Furthermore, by applying the AdS/CFT duality, we relate black hole perturbations to hydrodynamic quantities in the dual field theory, which is a (2+1)-dimensional isotropic fluid with broken spatial parity. The Chern-Simons term does not affect the entropy to viscosity ratio and the relaxation time, but instead quantities that enter the shear mode at order q^4 in the small momentum limit, for example the Hall viscosity and other quantities related to second and third order hydrodynamics. We provide explicit corrections to the gravitational hydrodynamic mode to first relevant order in the couplings.
description: 9 pages, RevTeX 4
Anacroneuria patioba Almeida & Duarte, 2017, n. sp.
Creators: name: Almeida, Lucas Henrique De
name: Duarte, Tácio
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlidae
Anacroneuria
Anacroneuria patioba

description: Anacroneuria patioba n. sp.
(Figs. 4A–F)
 Type material. Holotype, male: BR, BA: EEEWG, Riacho Patioba, S13°34'50'', W39°42'17'', 09.x.2010, light pan trap, AC et al. col. Paratypes: same data as holotype, 4 males.
 Description. A small sized species. Holotype, male: forewing length, 11,5 mm. Paratypes, males (n= 4): forewing length, 11–11.5 mm (s= 0.27). General color pale yellowish. Head and pronotum yellowish; head with inconspicuous M-line, central frons area yellowish, clypeus and occiput pale yellowish (Fig. 4A), darker in teneral specimens (Fig. 4B). Antennae ochraceous, scape with dark spot laterally. Palpi pale yellowish. Pronotum with two dark strips laterally, anterior corners rounded, posterior corners rounded (Fig. 4A). Membrane and veins of wings conspicuous. Legs pale yellowish with dark strip in distal part of the femur. Cerci ochraceous. Sternum IX with small bristles on posterior area. Hammer simple, truncate cone (Fig. 4C). Penial armature (Figs. 4D, E, F) with pair of large distal vesicles. In lateral view, terminal tube slightly raised, distal region curved, a pair of latero-inferior lobes (Fig. 4D). In dorsal view, terminal tube short, with narrow base (Fig. 4F). Hooks regularly curved and acute apically.
 Female and nymph. Unknown.
 Remarks. The penial armature of A. patioba resembles that of A. cathia Froehlich, 2002, however the new species has a shorter aedeagal apex and obliquely shaped shoulders (Fig. 4 D-F). The aedeagus of A. cathia has the apex longer and the shoulders are not obliquely shaped. Additionally, the color patterns are different, pale yellowish in A. patioba, and light-medium brown in A. cathia (Froehlich, 2002). We collected a teneral specimen with remants of gills in thoracic segments, milky wings, and a dark head.
 Etymology. The name Patioba refers to the stream where the specimens were collected. The name is used as a noun in apposition.
description: Published as part of Almeida, Lucas Henrique De & Duarte, Tácio, 2017, A new species and records of Anacroneuria (Plecoptera: Perlidae) from the Ecological Station, Wenceslau Guimarães, State of Bahia, Brazil, pp. 480-486 in Zootaxa 4247 (4) on pages 483-484, DOI: 10.11646/zootaxa.4247.4.9, http://zenodo.org/record/438902
Symmetries, scaling laws and convergence in shearing-box simulations of MRI driven turbulence
Creators: name: Bodo, Gianluigi
name: Cattaneo, Fausto
name: Ferrari, Attilio
name: Mignone, Andrea
name: Rossi, Paola
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We consider the problem of convergence in homogeneous shearing box simula- tions of magneto-rotationally driven turbulence. When there is no mean magnetic flux, if the equations are non dimensionalized with respect to the diffusive scale, the only free parameter in the problem is the size of the computational domain. The problem of convergence then relates to the asymptotic form of the solutions as the computational box size becomes large. By using a numerical code with a high order of accuracy we show that the solutions become asymptotically inde- pendent of domain size. We also show that cases with weak magnetic flux join smoothly to the zero flux cases as the flux vanishes. These results are consistent with the operation of a subcritical small-scale dynamo driving the turbulence. We conclude that for this type of turbulence the angular momentum transport is a proportional to the diffusive flux and therefore has limited relevance in as- trophysical situations.
description: 28 pages, 7 figures, submitted to ApJ
Effective image registration for motion estimation in medical imaging environments
Creators: name: Miao, Shun
Publisher: name: University of British Columbia
Year: 2016

description: Motion estimation is a key enabler for many advanced medical imaging / image analysis applications, and hence is of signiﬁcant clinical interest. In this thesis, we study image registration for motion estimation in medical imaging environments, and focus on two clinically interesting problems: 1) deformable respiratory motion estimation from dynamic Magnetic Resonance Imagings (MRIs), and 2) rigid-body object motion estimation (e.g., surgical devices, implants) from ﬂuoroscopic images. Respiratory motion is a major complicating factor in many image acquisition applications and image-guided interventions. Existing respiratory motion estimation methods typically rely on motion models learned from retrospective data, and therefore are vulnerable to unseen respiratory motion patterns. To address this limitation, we propose to use dynamic MRI acquisition protocol to monitor respiratory motion, and a scatter to volume registration method that can directly recover the dense motion ﬁelds from the dynamic MRI data without explicitly modeling the motion. The proposed method achieves signiﬁcantly higher motion estimation accuracy than the state-of-the-art methods in addressing varying respiratory motion patterns. Object motion estimation from ﬂuoroscopic images is an enabling technology for advanced image guidance applications for Image-Guided Therapy (IGT). Complex and time-critical clinical procedures typically require the motion estimation to be accurate, robust and real-time, which cannot be achieved by existing methods at the same time. We study 2-D/3-D registration for rigid-body object motion estimation to address the above challenges, and propose two new approaches to signiﬁcantly improve the robustness and computational efﬁciency of 2-D/3-D registration. We ﬁrst propose to use pre-generated canonical form Digitally Reconstructed Radiographs (DRRs) to accelerate the DRR generation during intensity-based 2-D/3-D registration, which boosts the computational efﬁciency by ten-fold with little degradation in registration accuracy and robustness. We further demonstrate that the widely adopted intensity-based formulation for 2-D/3-D registration is ineffective, and propose a more effective regression-based formulation, solved using Convolutional Neural Network (CNN). The proposed regression-based approach achieves signiﬁcantly higher robustness, capture range and computational efﬁciency than state-of-the-art intensity-base approaches.
Generating functions for the Bernstein polynomials: A unified approach to deriving identities for the Bernstein basis functions
Creators: name: Simsek, Yilmaz
Publisher: name: arXiv
Year: 2010
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 14F10, 12D10, 26C05, 26C10, 30B40, 30C15

description: The main aim of this paper is to provide a unified approach to deriving identities for the Bernstein polynomials using a novel generating function. We derive various functional equations and differential equations using this generating function. Using these equations, we give new proofs both for a recursive definition of the Bernstein basis functions and for derivatives of the nth degree Bernstein polynomials. We also find some new identities and properties for the Bernstein basis functions. Furthermore, we discuss analytic representations for the generalized Bernstein polynomials through the binomial or Newton distribution and Poisson distribution with mean and variance. Using this novel generating function, we also derive an identity which represents a pointwise orthogonality relation for the Bernstein basis functions. Finally, by using the mean and the variance, we generalize Szasz-Mirakjan type basis functions.
Teaching Astronomy with an Inquiry Activity on Stellar Populations
Creators: name: Rafelski, Marc
name: Foley, Michael
name: Graves, Genevieve J.
name: Kretke, Katherine A.
name: Mills, Elisabeth
name: Nassir, Michael
name: Patel, Shannon
Publisher: name: arXiv
Year: 2010
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: We describe a new inquiry design aimed at teaching advanced high-school to senior college students the basics of stellar populations. The inquiry is designed to have students come up with their own version of the Hertzsprung-Russell diagram as a tool to understand how stars evolve based on their color, mass, and luminosity. The inquiry makes use of pictures and spectra of stars, which the students analyze and interpret to answer the questions they come up with at the beginning. The students undergo a similar experience to real astronomers, using the same tools and methods to figure out the phenomena they are trying to understand. Specifically, they use images and spectra of stars, and organize the data via tables and plots to find trends that will then enable them to answer their questions. The inquiry also includes a "thinking tool" to help connect the trends students observe to the larger picture of stellar evolution. We include a description of the goals of the inquiry, the activity description, the motivations and thoughts that went into the design of the inquiry, and reflections on how the inquiry activity worked in practice.
description: 11 pages, 2 figure, 2 tables. ASP Conference Series 436, Learning from Inquiry in Practice, in press
Hot Stars with Hot Jupiters Have High Obliquities
Creators: name: Winn, Joshua N.
name: Fabrycky, Daniel
name: Albrecht, Simon
name: Johnson, John Asher
Publisher: name: arXiv
Year: 2010
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We show that stars with transiting planets for which the stellar obliquity is large are preferentially hot (T_eff > 6250 K). This could explain why small obliquities were observed in the earliest measurements, which focused on relatively cool stars drawn from Doppler surveys, as opposed to hotter stars that emerged later from transit surveys. The observed trend could be due to differences in planet formation and migration around stars of varying mass. Alternatively, we speculate that hot-Jupiter systems begin with a wide range of obliquities, but the photospheres of cool stars realign with the orbits due to tidal dissipation in their convective zones, while hot stars cannot realign because of their thinner convective zones. This in turn would suggest that hot Jupiters originate from few-body gravitational dynamics, and that disk migration plays at most a supporting role.
description: ApJ Letters, in press [6 pages]
Non-linear viscous saturation of r-modes
Creators: name: Alford, Mark
name: Mahmoodifar, Simin
name: Schwenzer, Kai
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Pulsar spin frequencies and their time evolution are an important source of information on compact stars and their internal composition. Oscillations of the star can reduce the rotational energy via the emission of gravitational waves. In particular unstable oscillation modes, like r-modes, are relevant since their amplitude becomes large and can lead to a fast spin-down of young stars if they are saturated by a non-linear saturation mechanism. We present a novel mechanism based on the pronounced large-amplitude enhancement of the bulk viscosity of dense matter. We show that the enhanced damping due to non-linear bulk viscosity can saturate r-modes of neutron stars at amplitudes appropriate for an efficient spin-down.
description: 3 pages, contribution to the proceedings of the conference "Quark Confinement and the Hadron Spectrum IX", August 30 - September 3, 2010, Madrid; typos corrected
Triangular Dynamic Architecture for Distributed Computing in a LAN Environment
Creators: name: Hossain, M. Shahriar
name: Khan, Kazi Muhammad Najmul Hasan
name: Fuad, M. Muztaba
name: Deb, Debzani
Publisher: name: arXiv
Year: 2011
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: FOS: Computer and information sciences

description: A computationally intensive large job, granulized to concurrent pieces and operating in a dynamic environment should reduce the total processing time. However, distributing jobs across a networked environment is a tedious and difficult task. Job distribution in a Local Area Network based on Triangular Dynamic Architecture (TDA) is a mechanism that establishes a dynamic environment for job distribution, load balancing and distributed processing with minimum interaction from the user. This paper introduces TDA and discusses its architecture and shows the benefits gained by utilizing such architecture in a distributed computing environment.
description: Published
Fluorescence of laser created electron-hole plasma in graphene
Creators: name: Stoehr, Rainer J.
name: Kolesov, Roman
name: Pflaum, Jens
name: Wrachtrup, Joerg
Publisher: name: arXiv
Year: 2010
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present an experimental observation of non-linear up- and down-converted optical luminescence of graphene and thin graphite subject to picosecond infrared laser pulses. We show that the excitation yields to a high density electron-hole plasma in graphene. It is further shown that the excited charge carries can efficiently exchange energy due to scattering in momentum space. The recombination of the resulting non-equilibrium electron-hole pairs yields to the observed white light luminescence. Due to the scattering mechanism the power dependence of the luminescence is quadratic until it saturates for higher laser power. Studying the luminescence intensity as a function of layer thickness gives further insight into its nature and provides a new tool for substrate independent thickness determination of multilayer flakes.
Scaling Limit of the Noncommutative Black Hole
Creators: name: Majid, Shahn
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We show that the recent `quantum' black hole wave operator in the $κ$-Minkowski or bicrossproduct model quantum spacetime has a natural scaling limit $λ_p\to 0$ at the event horizon. Here $λ_p$ is the Planck time and the geometry at the event horizon in Planck length is maintained at the same time as the limit is taken, resulting in a classical theory with quantum gravity remnants. Among the features is a frequency-dependent `skin' of some $ω\overν$ Planck lengths just inside the event horizon for $ω>0$ and just outside for $ω<0$, where $ν$ is the frequency associated to the Schwarzschild radius. We use bessel and hypergeometric functions to analyse propagation through the event horizon and skin in both directions. The analysis confirms a finite redshift at the horizon for positive frequency modes in the exterior.
description: 13 pages, 3 figures with several pdf graphics
Interaction-induced corrections to conductance and thermopower in quantum wires
Creators: name: Levchenko, Alex
name: Ristivojevic, Zoran
name: Micklitz, Tobias
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study transport properties of weakly interacting spinless electrons in one-dimensional single channel quantum wires. The effects of interaction manifest as three-particle collisions due to the severe constraints imposed by the conservation laws on the two-body processes. We focus on short wires where the effects of equilibration on the distribution function can be neglected and collision integral can be treated in perturbation theory. We find that interaction-induced corrections to conductance and thermopower rely on the scattering processes that change number of right- and left-moving electrons. The latter requires transition at the bottom of the band which is exponentially suppressed at low temperatures. Our theory is based on the scattering approach that is beyond the Luttinger-liquid limit. We emphasize the crucial role of the exchange terms in the three-particle scattering amplitude that was not discussed in the previous studies.
description: 4 pages, 2 figures
Boundary-induced orientation of dynamic filament networks and vesicle agglomerations
Creators: name: Greulich, Philip
name: Santen, Ludger
Publisher: name: arXiv
Year: 2011
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Subcellular Processes (q-bio.SC)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: We find a statistical mechanism that can adjust orientations of intracellular filaments to cell geometry in absence of organizing centers. The effect is based on random and isotropic filament (de-)polymerization dynamics and is independent of filament interactions and explicit regulation. It can be understood by an analogy to electrostatics and appears to be induced by the confining boundaries; for periodic boundary conditions no orientational bias emerges. Including active transport of particles, the model reproduces experimental observations of vesicle accumulations in transected axons.
description: 4 pages, 6 figures. Submitted to Physical Review Letters
Host galaxy colour gradients and accretion disc obscuration in AEGIS z~1 X-ray-selected active galactic nuclei
Creators: name: Pierce, C. M.
name: Lotz, J. M.
name: Salim, S.
name: Laird, E. S.
name: Coil, A. L.
name: Bundy, K.
name: Willmer, C. N. A.
name: Rosario, D. J. V.
name: Primack, J. R.
name: Faber, S. M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We describe the effect of AGN light on host galaxy optical and UV-optical colours, as determined from X-ray-selected AGN host galaxies at z~1, and compare the AGN host galaxy colours to those of a control sample matched to the AGN sample in both redshift and stellar mass. We identify as X-ray-selected AGNs 8.7 +4/-3 per cent of the red-sequence control galaxies, 9.8 +/-3 per cent of the blue-cloud control galaxies, and 14.7 +4/-3 per cent of the green-valley control galaxies. The nuclear colours of AGN hosts are generally bluer than their outer colours, while the control galaxies exhibit redder nuclei. AGNs in blue-cloud host galaxies experience less X-ray obscuration, while AGNs in red-sequence hosts have more, which is the reverse of what is expected from general considerations of the interstellar medium. Outer and integrated colours of AGN hosts generally agree with the control galaxies, regardless of X-ray obscuration, but the nuclear colours of unobscured AGNs are typically much bluer, especially for X-ray luminous objects. Visible point sources are seen in many of these, indicating that the nuclear colours have been contaminated by AGN light and that obscuration of the X-ray radiation and visible light are therefore highly correlated. Red AGN hosts are typically slightly bluer than red-sequence control galaxies, which suggests that their stellar populations are slightly younger. We compare these colour data to current models of AGN formation. The unexpected trend of less X-ray obscuration in blue-cloud galaxies and more in red-sequence galaxies is problematic for all AGN feedback models, in which gas and dust is thought to be removed as star formation shuts down. [See paper for full abstract.]
description: Accepted to MNRAS. 19 pages, 14 figures, 1 table; table, four figures (4, 6, 11, 13) revised to reflect corrected values for one of our objects; results unchanged
Empyema necessitans, a complication of tuberculosis
Creators: name: RessurreiÃ§Ã£O, JoÃ£O
Publisher: name: EURORAD
Year: 2014
Subjects: subject: Lung
subject: CT
subject: Plain radiographic studies
subject: Ultrasound
subject: Diagnostic procedure
subject: Abscess
subject: Infection

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: male, 78 years
description: Clinical History: 77-year-old male Caucasian patient was admitted with left sided chest mass, first noticed 15 days before admission. At physical examination a non-tender tumefaction on the mid-axillary line of left chest wall was perceived. There was no fever, chills or c... Final Diagnosis: Empyema necessitans as manifestation of tuberculosis
On the Etymologies of Kinnabari, Kinnamon, Kinawar et al.
Creators: name: Gheorghiu, Alexandru
Publisher: name: Zenodo
Year: 2021
Subjects: Ancient Greek, Sanskrit, Hattic language, Hurrian language, Sumerian language, Persian language, Iranian language, Indo-Iranian language, Akkadian language, Arabic language, Hebrew language, Classical Syriac, Urartan language, Urartian language, Bactrian, Old Chinese, Proto-Indo-European linguistics, Indo-European, Ancient Greece, Aegean, Athena, Ariadne, Crete, Thrace, Thracian language, Dacia, Dacian language, Latin language, Romanian language, Albanian language, English language, Anatolian languages, Etruscan language, Lemnian language, Hittite language, Luwian language, Mesopotamia, Sumer, Akkad, Syria, Anatolia, Iran, India, Pakistan, China, Eastern Mediterranean, Pelasgian, Peri-Indo-European, Anthropology, cinnabar, mercury, copper, coriander, garlic, snakes, snake bite remedies, anti-venom, comparative linguistics
Phoenician, Phoenicia, Proto-Balto-Slavic, Proto-Slavic, Proto-Germanic, Armenian language, Costoboci, Palaeo-Balkan, Proto-Albanian, Euphratic, Proto-Sumerian, Peri-Indo-European, Semi-Indo-European, Classical Greece, Kotys, Cotys, Kottyto, Cottyto, Thracian mythology, Thracian religion, Greek mythology, Greek religion, weaving goddess
Eteo-Cretan, mallow, melon, malva, sheep, history of spices, ethnobotany, Mercury, Mercurius

description: A work which presents many new and important and very likely correct etymologies, and so likely elucidates a number of obscure words found in Ancient Greek, Sumerian, Sanskrit, Arabic, Persian, Hattic, Hurrian, as well as other ancient languages of Eurasia. Includes some discussion of and new information about Peri-Indo-European and Semi-Indo-European and Eteo-Indo-European (before Proto-Indo-European).
description: New greatly expanded, corrected and updated ninth version, with many new etymologies, including a never before seen etymology for the Sumerian word "mutin", which is another Sumerian word that meant "bird (in general)" and mysteriously also meant "grapevine". Correction of the etymology of Sumerian "birgun". Typos and various phrases and sentences fixed. And at the end of the paper, a new never-before seen etymology of Mercury/Mercurius, in addition to all the new information and new etymologies and new evidence throughout most of the text added in the 8th and 7th versions.
Relationship between dielectric properties and structural long-range order in (x)Pb(In1/2Nb1/2)O3:(1-x)Pb(Mg1/3Nb2/3)O3 relaxor ceramics
Creators: name: Tai, C. W.
name: Baba-Kishi, K. Z.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The dielectric and structural order-disorder properties of as-sintered complex perovskite (x)Pb(In1/2Nb1/2)O3:(1-x)Pb(Mg1/3Nb2/3)O3 ceramics are highly influenced by the quantity of Pb(In1/2Nb1/2)O3 (PIN). High PIN quantity causes the relative permittivity maxima to decrease and the temperature (Tmax) to increase. Also, strong frequency dispersion is dominant in the relative permittivity plotted against the temperature. In the ferroelectric hysteresis loop measurements, the maximum values of electric displacements (Dmax) decrease with increasing PIN. The ceramics in the composition range x = 0.1 to 0.8 behave as ferroelectric relaxors and exhibit very slim hysteresis loops for all these compositions. Transmission electron microscopy (TEM) studies show that the size of the 1:1 structural ordered domains is influenced by the PIN quantity. The relationship between the dielectric properties and the long-range 1:1 order in these relaxors appear to be in conflict with the commonly accepted order-disorder behavior in complex perovskite ferroelectrics, in which large structural domains correspond with the tendency to depart from the relaxor state. TEM observations show that individual 1:1 ordered domains in (x)PIN:(1-x)PMN ceramics are composed of numerous nano-sized ordered domains, separated by fine antiphase boundaries.
description: 23 pages, 8 figures, 3 tables
An integrated capacitance bridge for high-resolution, wide temperature range quantum capacitance measurements
Creators: name: Sulpizio, Joseph A.
name: Hazeghi, Arash
name: Diankov, Georgi
name: Goldhaber-Gordon, David
name: Wong, H. -S. Philip
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: We have developed a highly-sensitive integrated capacitance bridge for quantum capacitance measurements. Our bridge, based on a GaAs HEMT amplifier, delivers attofarad (aF) resolution using a small AC excitation at or below kT over a broad temperature range (4K-300K). We have achieved a resolution at room temperature of 10aF per root Hz for a 10mV AC excitation at 17.5 kHz, with improved resolution at cryogenic temperatures, for the same excitation amplitude. We demonstrate the performance of our capacitance bridge by measuring the quantum capacitance of top-gated graphene devices and comparing against results obtained with the highest resolution commercially-available capacitance measurement bridge. Under identical test conditions, our bridge exceeds the resolution of the commercial tool by up to several orders of magnitude.
description: (1)AH and JAS contributed equally to this work. 6 pages, 5 figures
FUTURE SKILLS: ANSÄTZE ZUR VERMITTLUNG VON DATA LITERACY IN DER HOCHSCHULBILDUNG
Creators: name: Dr. Jens Heidrich
name: Bauer, Pascal
name: Krupka, Daniel
Publisher: name: Zenodo
Year: 2018

description: Die Fähigkeit, planvoll mit Daten umzugehen und sie im jeweiligen Kontext bewusst einsetzen und hinterfragen zu können wird im Zuge der digitalen Transformationen von zunehmender Wichtigkeit und stellt eine zentrale Kompetenz in allen Sektoren und Disziplinen dar. Auf der einen Seite werden Data Scientists benötigt, die in der Lage sind, speziell mit großen heterogenen Daten umzugehen und die Technologie rund um den Big-Data-Lifecycle beherrschen, um schnell Entscheidungen basierend auf Daten und daraus abgeleiteten Informationen ermöglichen zu können. Auf der anderen Seite werden in der Breite in allen Sektoren und Disziplinen Personen benötigt, welche die Fähigkeit besitzen, Daten auf kritische Art und Weise zu sammeln, zu managen, zu bewerten und anzuwenden. Diese Fähigkeiten werden unter dem Begriff Data Literacy zusammengefasst.

Im Auftrag der Arbeitsgruppe Curriculum 4.0 des Hochschulforums Digitalisierung führten das Fraunhofer-Institut für Experimentelles Software-Engineering IESE und die Gesellschaft für Informatik eine Studie durch, um umsetzbares Wissen für Hochschulen und Fächer für die Curriculum-Entwicklung im Hinblick auf Data Literacy zusammenzustellen. Der Fokus lag dabei auf europäischen und internationalen Best-Practice-Beispielen, welche Angebote zur bedarfsgerechten, disziplinübergreifenden Vermittlung von Wissen zur datengestützten Arbeit und Entscheidungsfindung aufgebaut haben. Im Vordergrund stand die Wissensvermittlung von Data Literacy in den Anwendungsdomänen und nicht die Ausbildung von Data Scientists.

Im Rahmen der Studie wurden dazu Best-Practice-Beispiele recherchiert, essentielle Literaturquellen und existierende Studien analysiert, Interviews mit Fachexperten und eine Online-Umfrage durchgeführt sowie mögliche Handlungsempfehlungen in einem internationalen Experten-Workshop erarbeitet.

Basierend auf den Studienergebnissen lassen sich eine Reihe von Herausforderungen und Maßnahmen zusammenfassen, die im vorliegenden Bericht im Detail beschrieben werden. Hierbei sei angemerkt, dass die Maßnahmen einen teils heterogenen Lösungsraum mit verschiedenen Optionen aufspannen, die sich in einem bestimmten Anwendungskontext bewährt haben. Auf dieser Basis lässt sich zwar noch nicht direkt ein homogenes Maßnahmenpaket ableiten, aber die Studie liefert in den essentiellen Bereichen Anregungen, konkrete Lösungsbausteine und Praxisbeispiele, die von Hochschulakteuren und der Politik, als Grundlage genutzt werden können, um Curricula im Hinblick auf Data Literacy erfolgreich zu gestalten bzw. die richtigen Anreize und Strukturen dafür zu schaffen. Damit liefern die Studienergebnisse einen wichtigen Beitrag, um die für die digitale Transformation essentiellen Kompetenzen in Data Literacy nachhaltig aufbauen zu können.

Dr. Jens Heidrich

Pascal Bauer

Daniel Krupka
A green home decision-making tool : Sustainability Weighting Assessment for Homeowners (SWAHO)
Creators: name: Li, Peixian
Publisher: name: University of British Columbia
Year: 2016

description: Homeowners, the largest group of stakeholder in the building sector, are often under-served and suffer from difficulty in pursuing a green home. Few sustainability assessments and decision-making tools were created for nonprofessionals. This research adopted the Design Science method to create an integrated path for green renovation to make it easy for homeowners to make sustainable renovation decisions. The author proposes a new path of green renovation, where a tool named SWAHO (Sustainability Weighting Assessment for Homeowners) plays a central role. SWAHO is supposed to enable tradeoffs among renovation actions and renovation products based on the homeowner’s perception of sustainability. In the conceptual model, SWAHO could integrate all the tasks in green renovations, from decision-making on renovation actions to ordering products on e-commerce websites. In addition, the author developed a prototype tool that enables decision-making on renovation actions to demonstrate the concept of SWAHO. A list of 48 renovation actions and a list of 12 sustainability criteria were incorporated into the prototype tool after a thorough literature review and practice review. The knapsack problem was used as the mathematical model for SWAHO. Weighting scheme and 5-star rating were used for scoring. A user evaluation consisting of surveys and meetings reported very positive feedback on the concept of SWAHO. Testers also provided many suggestions on the user interface design. A self-evaluation on 144 scenarios showed that all the results of SWAHO were reasonable, meaning that the mathematical model of SWAHO was effective. The two evaluations reveal that the proof-of-concept SWAHO is a good approach for green renovation.
Measurements of Direct CP Violating Asymmetries in Charmless Decays of Strange Bottom Mesons and Bottom Baryons
Creators: name: CDF Collaboration
name: Aaltonen, T.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We report measurements of direct CP-violating asymmetries in charmless decays of neutral bottom hadrons to pairs of charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using a data sample corresponding to 1 fb-1 of integrated luminosity, we obtain the first measurements of direct CP violation in bottom strange mesons, A_CP(BsKpi) = +0.39 +- 0.15 stat +- 0.08 syst, and bottom baryons, A_CP(Lb->ppi) = +0.03 +- 0.17 stat +- 0.05 syst and A_CP(Lb->pK) = +0.37 +- 0.17 +- 0.03 syst. In addition, we measure CP violation in Bd-->Kpi decays with 3.5sigma significance, A_CP(B->Kpi) = -0.086 +- 0.023 stat +- 0.009 syst, in agreement with the current world average. Measurements of branching fractions of Bs-->K+K- and B0-->pi+pi- decays are also updated.
description: 7 pages, 2 figures, 1 table. Accepted by Phys. Rev. Lett
Thermal Model Calibration for Minor Planets Observed with WISE/NEOWISE: Comparison with IRAS
Creators: name: Mainzer, A.
name: Grav, T.
name: Masiero, J.
name: Bauer, J.
name: Wright, E.
name: Cutri, R. M.
name: Walker, R.
name: McMillan, R. S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: With thermal infrared observations detected by the NEOWISE project, we have measured diameters for 1742 minor planets that were also observed by the Infrared Astronomical Satellite (IRAS). We have compared the diameters and albedo derived by applying a spherical thermal model to the objects detected by NEOWISE and find that they are in generally good agreement with the IRAS values. We have shown that diameters computed from NEOWISE data are often less systematically biased than those found with IRAS. This demonstrates that the NEOWISE dataset can provide accurate physical parameters for the >157,000 minor planets that were detected by NEOWISE.
description: ApJ Letters accepted