cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
MEMS practice, from the lab to the telescope
Creators: name: Morzinski, Katie M.
name: Norton, Andrew P.
name: Evans, Julia Wilhelmson
name: Reza, Layra
name: Severson, Scott A.
name: Dillon, Daren
name: Reinig, Marc
name: Gavel, Donald T.
name: Cornelissen, Steven
name: Macintosh, Bruce A.
name: Max, Claire E.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Micro-electro-mechanical systems (MEMS) technology can provide for deformable mirrors (DMs) with excellent performance within a favorable economy of scale. Large MEMS-based astronomical adaptive optics (AO) systems such as the Gemini Planet Imager are coming on-line soon. As MEMS DM end-users, we discuss our decade of practice with the micromirrors, from inspecting and characterizing devices to evaluating their performance in the lab. We also show MEMS wavefront correction on-sky with the "Villages" AO system on a 1-m telescope, including open-loop control and visible-light imaging. Our work demonstrates the maturity of MEMS technology for astronomical adaptive optics.
description: 14 pages, 15 figures, Invited Paper, SPIE Photonics West 2012
Direct Frequency Comb Spectroscopy in the Extreme Ultraviolet
Creators: name: Cingoz, Arman
name: Yost, Dylan C.
name: Allison, Thomas K.
name: Ruehl, Axel
name: Fermann, Martin E.
name: Hartl, Ingmar
name: Ye, Jun
Publisher: name: arXiv
Year: 2011
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Development of the optical frequency comb has revolutionised metrology and precision spectroscopy due to its ability to provide a precise and direct link between microwave and optical frequencies. A novel application of frequency comb technology that leverages both the ultrashort duration of each laser pulse and the exquisite phase coherence of a train of pulses is the generation of frequency combs in the extreme ultraviolet (XUV) via high harmonic generation (HHG) in a femtosecond enhancement cavity. Until now, this method has lacked sufficient average power for applications, which has also hampered efforts to observe phase coherence of the high-repetition rate pulse train produced in the extremely nonlinear HHG process. Hence, the existence of a frequency comb in the XUV has not been confirmed. We have overcome both challenges. Here, we present generation of >200 μW per harmonic reaching 50 nm, and the observation of single-photon spectroscopy signals for both an argon transition at 82 nm and a neon transition at 63 nm. The absolute frequency of the argon transition has been determined via direct frequency comb spectroscopy. The resolved 10-MHz linewidth of the transition, limited by the transverse temperature of the argon atoms, is unprecedented in this spectral region and places a stringent upper limit on the linewidth of individual comb teeth. Due to the lack of cw lasers, these frequency combs are currently the only promising avenue towards extending ultrahigh precision spectroscopy to below the 100-nm spectral region with a wide range of applications that include spectroscopy of electronic transitions in molecules, experimental tests of bound state and many body quantum electrodynamics in He+ and He, development of next-generation "nuclear" clocks, and searches for spatial and temporal variation of fundamental constants using the enhanced sensitivity of highly charged ions.
Bernoulli type polynomials on Umbral Algebra
Creators: name: Dere, Rahime
name: Simsek, Yilmaz
Publisher: name: arXiv
Year: 2011
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 11B83, 11B68, 46S10

description: The aim of this paper is to investigate generating functions for modification of the Milne-Thomson's polynomials, which are related to the Bernoulli polynomials and the Hermite polynomials. By applying the Umbral algebra to these generating functions, we provide to deriving identities for these polynomials.
MARKETING ANALYTICS AND FINANCIAL FORECASTING: LINKING CUSTOMER DATA WITH REVENUE PROJECTIONS IN NIGERIAN BANKS
Creators: name: Aniefiok, Okon Akpan
name: Ekwere, Raymond Enang
name: Michael, David Essien
Publisher: name: American serial
Year: 2024
Subjects: Marketing analytics, financial forecasting, customer data, revenue projection, Nigerian banks, customer lifetime value (CLV), segmentation

description: This study investigated the impact of marketing analytics on financial forecasting in Nigerian banks, focusing on the relationships between customer lifetime value (CLV) and customer segmentation. Utilizing a quantitative research approach, data were collected from banking professionals through structured surveys. The analysis revealed significant findings: a strong positive correlation existed between CLV and the accuracy of revenue projections, indicating that banks with a deeper understanding of their customers could enhance financial forecasting. Furthermore, effective customer segmentation based on marketing analytics significantly improved forecasting accuracy. These findings underscored the critical role of data-driven marketing strategies in optimizing financial decision-making and fostering sustainable growth within the Nigerian banking sector. The study concluded with recommendations for banks to invest in advanced marketing analytics tools and refine customer segmentation strategies to improve overall performance
Cloud Based Application Development for Accessing Restaurant Information on Mobile Device using LBS
Creators: name: Shetty, Keerthi S.
name: Singh, Sanjay
Publisher: name: arXiv
Year: 2011
Subjects: subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: Over the past couple of years, the extent of the services provided on the mobile devices has increased rapidly. A special class of service among them is the Location Based Service(LBS) which depends on the geographical position of the user to provide services to the end users. However, a mobile device is still resource constrained, and some applications usually demand more resources than a mobile device can a ord. To alleviate this, a mobile device should get resources from an external source. One of such sources is cloud computing platforms. We can predict that the mobile area will take on a boom with the advent of this new concept. The aim of this paper is to exchange messages between user and location service provider in mobile device accessing the cloud by minimizing cost, data storage and processing power. Our main goal is to provide dynamic location-based service and increase the information retrieve accuracy especially on the limited mobile screen by accessing cloud application. In this paper we present location based restaurant information retrieval system and we have developed our application in Android.
description: 11 pages, 10 figures
Loneliness and coping: an exploratory study of examining gender and sexuality
Creators: name: Kakoullis, Revekka Charalambos
Publisher: name: University of Calgary
Year: 2001
Subjects: subject: AC1 .T484 2001 K357
subject: Additional copy: 370 EDC 2001 KAKO
subject: Loneliness - Sex differences
subject: Adjustment (Psychology) - Sex differences

description: Bibliography: p. 161-169.
Rotationally Driven Ultraviolet Emission of Red Giant Stars II. Metallicity, Activity, Binarity and Sub-subgiants
Creators: name: Dixon, Don
name: Stassun, Keivan G.
name: Mathieu, Robert D.
name: Tayar, Jamie
name: Cao, Lyra
Publisher: name: arXiv
Year: 2025
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Red Giant Branch (RGB) stars are overwhelmingly observed to rotate very slowly compared to main-sequence stars, but a few percent of them show rapid rotation and high activity, often as a result of tidal synchronizationn or other angular momentum transfer events. In this paper we build upon previous work using a sample of 7,286 RGB stars from APOGEE DR17 with measurable rotation. We derive an updated NUV excess vs $v \sin{i}$ rotation-activity relation that is consistent with our previous published version, but reduces uncertainty through the inclusion of a linear [M/H] correction term. We find that both single stars and binary stars generally follow our rotation-activity relation, but single stars seemingly saturate at $P_{\text{rot}}$/$\sin{i}$ $\sim$10 days while binary stars show no sign of saturation, suggesting they are able to carry substantially stronger magnetic fields. Our analysis reveals Sub-subgiant stars (SSGs) to be the most active giant binaries, with rotation synchronized to orbits with periods $\lesssim$ 20 days. Given their unusually high level of activity compared to other short-period synchronized giants we suspect the SSGs are most commonly overactive RS CVn stars. Using estimates of critical rotation we identify a handful giants rotating near break-up and determine tidal spin up to this level of rotation is highly unlikely and instead suggest planetary engulfment or stellar mergers in a fashion generally proposed for FK Comae stars.
description: 15 pages, 12 figures
Propagating Wave Phenomena Detected in Observations and Simulations of the Lower Solar Atmosphere
Creators: name: Jess, D. B.
name: Shelyag, S.
name: Mathioudakis, M.
name: Keys, P. H.
name: Christian, D. J.
name: Keenan, F. P.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present high-cadence observations and simulations of the solar photosphere, obtained using the Rapid Oscillations in the Solar Atmosphere imaging system and the MuRAM magneto-hydrodynamic code, respectively. Each dataset demonstrates a wealth of magneto-acoustic oscillatory behaviour, visible as periodic intensity fluctuations with periods in the range 110-600 s. Almost no propagating waves with periods less than 140s and 110s are detected in the observational and simulated datasets, respectively. High concentrations of power are found in highly magnetised regions, such as magnetic bright points and intergranular lanes. Radiative diagnostics of the photospheric simulations replicate our observational results, confirming that the current breed of magneto-hydrodynamic simulations are able to accurately represent the lower solar atmosphere. All observed oscillations are generated as a result of naturally occurring magnetoconvective processes, with no specific input driver present. Using contribution functions extracted from our numerical simulations, we estimate minimum G-band and 4170 Angstrom continuum formation heights of 100 km and 25 km, respectively. Detected magneto-acoustic oscillations exhibit a dominant phase delay of -8 degrees between the G-band and 4170 Angstrom continuum observations, suggesting the presence of upwardly propagating waves. More than 73% of MBPs (73% from observations, 96% from simulations) display upwardly propagating wave phenomena, suggesting the abundant nature of oscillatory behaviour detected higher in the solar atmosphere may be traced back to magnetoconvective processes occurring in the upper layers of the Sun's convection zone.
description: 13 pages, 9 figures, accepted into ApJ
Complex Systems Science: Dreams of Universality, Reality of Interdisciplinarity
Creators: name: Grauwin, Sebastian
name: Beslon, Guillaume
name: Fleury, Eric
name: Franceschelli, Sara
name: Robardet, Céline
name: Rouquier, Jean-Baptiste
name: Jensen, Pablo
Publisher: name: arXiv
Year: 2012
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Digital Libraries (cs.DL)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Using a large database (~ 215 000 records) of relevant articles, we empirically study the "complex systems" field and its claims to find universal principles applying to systems in general. The study of references shared by the papers allows us to obtain a global point of view on the structure of this highly interdisciplinary field. We show that its overall coherence does not arise from a universal theory but instead from computational techniques and fruitful adaptations of the idea of self-organization to specific systems. We also find that communication between different disciplines goes through specific "trading zones", ie sub-communities that create an interface around specific tools (a DNA microchip) or concepts (a network).
description: Journal of the American Society for Information Science and Technology (2012) 10.1002/asi.22644
Improved Stochastic Texture Filtering Through Sample Reuse
Creators: name: Wronski, Bartlomiej
name: Pharr, Matt
name: Akenine-Möller, Tomas
Publisher: name: arXiv
Year: 2025
Subjects: subject: Graphics (cs.GR)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Stochastic texture filtering (STF) has re-emerged as a technique that can bring down the cost of texture filtering of advanced texture compression methods, e.g., neural texture compression. However, during texture magnification, the swapped order of filtering and shading with STF can result in aliasing. The inability to smoothly interpolate material properties stored in textures, such as surface normals, leads to potentially undesirable appearance changes. We present a novel method to improve the quality of stochastically-filtered magnified textures and reduce the image difference compared to traditional texture filtering. When textures are magnified, nearby pixels filter similar sets of texels and we introduce techniques for sharing texel values among pixels with only a small increase in cost (0.04--0.14~ms per frame). We propose an improvement to weighted importance sampling that guarantees that our method never increases error beyond single-sample stochastic texture filtering. Under high magnification, our method has >10 dB higher PSNR than single-sample STF. Our results show greatly improved image quality both with and without spatiotemporal denoising.
description: Accepted to 2025 ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (I3D 2025)
Dynamics of Spin-Polarized Electron Liquid and Spin Pendulum
Creators: name: Gurzhi, R. N.
name: Kalinenko, A. N.
name: Kopeliovich, A. I.
name: Pyshkin, P. V.
name: Yanovsky, A. V.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigate the dynamics of spin-nonequilibrium electron systems for the case when normal electron collisions prevail over the other scattering processes and the "hydrodynamic flow" regime is realized. The hydrodynamic equations for the electron liquid have been obtained and analyzed. We demonstrate that oscillations of the spin polarization are possible in a conducting ring with inhomogeneous magnetic properties. These low-decay oscillations are accompanied by the oscillations of the drift current in the ring. We demonstrate also that the spin polarization of the electron density may be revealed via the voltage between the ends of the open circuit with an inhomogeneous spin polarization. The effect may be observed both in the hydrodynamic and diffusive regimes.
Role of electronic correlations in Ga
Creators: name: Zhu, Zhiyong
name: Wang, Xuhui
name: Schwingenschlögl, Udo
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: An extended around mean field (AMF) functional for less localized $p$ electrons is developed to quantify the influence of electronic correlations in $α$-Ga. Both the local density approximation (LDA) and generalized gradient approximation (GGA) are known to mispredict the Ga positional parameters. The extended AMF functional together with an onsite Coulomb interaction of $U_{\rm eff}=1.1$ eV, as obtained from constraint LDA calculations, reduces the deviations by about 20%. The symmetry lowering coming along with the electronic correlations turns out to be in line with the Ga phase diagram.
description: 3 figures, 2 tables
Guia prático para implementação de um Núcleo de Educação Permanente em Saúde (Neps) no Hospital Municipal Jesus
Creators: name: do Nascimento, Claudia Bueno de Oliveira
name: Messias, Claudia Maria
Publisher: name: Zenodo
Year: 2023
Subjects: Educação Permanente
Comunicação
Tecnologia educacional
Hospital
Equipe multidisciplinar
Trabalhadores da saúde
Metodologia ativa

description: Este produto é oriundo da dissertação de mestrado intitulada: "Tecnologias educacionais para educação permanente: estratégia de comunicação efetiva da equipe multidisciplinar com foco na segurança do paciente pediátrico", de autoria da Enfermeira Me. Claudia Bueno de Oliveira do Nascimento, sob orientação da Prof. Dr. Claudia Maria Messias.  
O objetivo desse produto é encarrilhar a Pneps no cotidiano dos trabalhadores do Hospital Municipal Jesus visto que essa política é um dos requisitos para o pleno funcionamento do SUS desde a criação da Lei n. 8.080/90.
A comparative study of semiconductor-based plasmonic metamaterials
Creators: name: Naik, Gururaj V.
name: Boltasseva, Alexandra
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Recent metamaterial (MM) research faces several problems when using metal-based plasmonic components as building blocks for MMs. The use of conventional metals for MMs is limited by several factors: metals such as gold and silver have high losses in the visible and near-infrared (NIR) ranges and very large negative real permittivity values, and in addition, their optical properties cannot be tuned. These issues that put severe constraints on the device applications of MMs could be overcome if semiconductors are used as plasmonic materials instead of metals. Heavily doped, wide bandgap oxide semiconductors could exhibit both a small negative real permittivity and relatively small losses in the NIR. Heavily doped oxides of zinc and indium were already reported to be good, low loss alternatives to metals in the NIR range. Here, we consider these transparent conducting oxides (TCOs) as alternative plasmonic materials for many specific applications ranging from surface-plasmon-polariton waveguides to MMs with hyperbolic dispersion and epsilon-near-zero (ENZ) materials. We show that TCOs outperform conventional metals for ENZ and other MM-applications in the NIR.
description: 16 pages, 7 figures
Principal succession: a case study
Creators: name: Jones, Jeffery C.
Publisher: name: University of Calgary
Year: 2000
Subjects: subject: AC1 .T484 2000 J66
subject: School management and organization - Alberta - Calgary - Case studies
subject: School principals - Alberta - Calgary - Case studies
subject: Educational change - Alberta - Calgary - Case studies
subject: School environment - Alberta - Calgary - Case studies

description: Bibliography: p.135-140.
A Novel Method For Speech Segmentation Based On Speakers' Characteristics
Creators: name: Abdolali, Behrouz
name: Sameti, Hossein
Publisher: name: arXiv
Year: 2012
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences
subject: C.3.4
subject: 92C55

description: Speech Segmentation is the process change point detection for partitioning an input audio stream into regions each of which corresponds to only one audio source or one speaker. One application of this system is in Speaker Diarization systems. There are several methods for speaker segmentation; however, most of the Speaker Diarization Systems use BIC-based Segmentation methods. The main goal of this paper is to propose a new method for speaker segmentation with higher speed than the current methods - e.g. BIC - and acceptable accuracy. Our proposed method is based on the pitch frequency of the speech. The accuracy of this method is similar to the accuracy of common speaker segmentation methods. However, its computation cost is much less than theirs. We show that our method is about 2.4 times faster than the BIC-based method, while the average accuracy of pitch-based method is slightly higher than that of the BIC-based method.
description: 14 pages, 8 figures
Reducing Poverty in Africa through Innovative Financing: Village Enterprise as Effective Model
Creators: name: Mene, Cynthia
Publisher: name: figshare
Year: 2022
Subjects: Not-for-profit finance and risk
Household finance and financial literacy
Finance
International finance

description: According to the World Bank Africa Competitiveness Report 2017, Africa is expected to create just 100 million new jobs by 2035, despite a projected increase of more than 450 million in the working-age population. The demographic of 15- to 35-year-olds will experience the largest population growth. This growing population of working-age people represents both an opportunity and a potential threat to Africa's future prosperity. To ensure that these new workers engage in productive activities and avoid significant increases in extreme poverty and civil unrest, governments must facilitate job creation, including scaling up cost-effective livelihood development programs targeted at the extreme poor. Sustaining support for small businesses is one viable strategy for assisting people living in extreme poverty to establish livelihoods. Numerous non-governmental organizations (NGOs) in Africa have developed interventions to combat poverty and raise people's standards of living through the support of small businesses. Certain interventions that policymakers believed were effective for a long period of time, such as microloans, have failed to sustainably increase the incomes of the extreme poor. However, an NGO called Village Enterprise has developed a cost-effective approach that is yielding promising results and scaling via results-based financing. Its graduation program and cash transfer empower beneficiaries to start a business and stay sustainable as they grow and lift themselves out of poverty. Since its inception, Village Enterprise has launched and supported 58,000 businesses, trained 214,000 first entrepreneurs, and impacted the lives of 1,240,000 people through its cost-effective financing model. The puzzle is that Village Enterprise has been far more successful in supporting small businesses, promoting grass-root entrepreneurs, and emancipating people from poverty than other prominent non-governmental organizations that provide "cost-equivalent" cash transfers. In this paper, I will demonstrate why the village enterprise program and financing model are far more effective and successful than those of other non-governmental organizations.
A Face Recognition Scheme using Wavelet Based Dominant Features
Creators: name: Imtiaz, Hafiz
name: Fattah, Shaikh Anowarul
Publisher: name: arXiv
Year: 2011
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: In this paper, a multi-resolution feature extraction algorithm for face recognition is proposed based on two-dimensional discrete wavelet transform (2D-DWT), which efficiently exploits the local spatial variations in a face image. For the purpose of feature extraction, instead of considering the entire face image, an entropy-based local band selection criterion is developed, which selects high-informative horizontal segments from the face image. In order to capture the local spatial variations within these highinformative horizontal bands precisely, the horizontal band is segmented into several small spatial modules. Dominant wavelet coefficients corresponding to each local region residing inside those horizontal bands are selected as features. In the selection of the dominant coefficients, a threshold criterion is proposed, which not only drastically reduces the feature dimension but also provides high within-class compactness and high between-class separability. A principal component analysis is performed to further reduce the dimensionality of the feature space. Extensive experimentation is carried out upon standard face databases and a very high degree of recognition accuracy is achieved by the proposed method in comparison to those obtained by some of the existing methods.
description: 12 pages, 12 figures, Published in Signal and Image Processing: An International Journal Vol 2 No 3
The humanitarian distribution of the biosand concrete filter
Creators: name: Dow Baker, Camille
Publisher: name: Environmental Design
Year: 2000
Subjects: subject: TD445 .D69 2000
subject: Water - Purification - Slow sand filtration
subject: Water - Purification - Developing countries
subject: Technical assistance - Developing countries
subject: Developing countries - Environmental conditions

description: Bibliography: p. 164-170.
Scaling of the physical properties in Ba(Fe,Ni)2As2 single crystals: Evidence for quantum fluctuations
Creators: name: Rodiere, Pierre
name: Klein, Thierry
name: Hasselbach, Klaus
name: Lemberger, Louis
name: Demuer, A.
name: Kacmarcik, J.
name: Wang, Z. S.
name: Luo, H. Q.
name: Lu, X. Y.
name: Wen, H. H.
name: Marcenat, Christophe
Publisher: name: arXiv
Year: 2012
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We report on local magnetization, tunnel diode oscillators, and specific-heat measurements in a series of Ba(NixFe1-x)2As2 single crystals (0.26\leqx\leq0.74). We show that the London penetration depth λ(T)=λ(0)+Δλ(T) scales as λ(0)\propto1/Tc0.85$\pm$0.2, Δλ(T)\proptoT2.3$\pm$0.3 (for T
Memorializing the loss of genetic diversity:a genetic archive and memorial for Calgary
Creators: name: Rasmussen, Greig
Publisher: name: Environmental Design
Year: 2000
Subjects: subject: NA9355 .C25 R37 2000
subject: Memorials - Alberta - Calgary - Designs and plans
subject: Architecture - Designs and plans
subject: Architecture - Philosophy
subject: Biological diversity conservation

description: Bibliography: p. 105-108.
Probing Interstellar Dust with Infrared Echoes from the Cas A Supernova
Creators: name: Vogt, Frédéric P. A.
name: Besel, Marc-André
name: Krause, Oliver
name: Dullemond, Cornelis P.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the analysis of an IRS 5-38 μm spectrum and MIPS photometric measurements of an infrared echo near the Cassiopeia A supernova remnant observed with the Spitzer Space Telescope. We have modeled the recorded echo accounting for PAHs, quantum-heated carbon and silicate grains, as well as thermal carbon and silicate particles. Using the fact that optical light echo spectroscopy has established that Cas A originated from a type IIb supernova explosion showing an optical spectrum remarkably similar to the prototypical type IIb SN 1993J, we use the latter to construct template data input for our simulations. We are then able to reproduce the recorded infrared echo spectrum by combining the emission of dust heated by the UV burst produced at the shock breakout after the core-collapse and dust heated by optical light emitted near the visual maximum of the supernova light curve, where the UV burst and optical light curve characteristics are based on SN 1993J. We find a mean density of \sim680 H cm^{-3} for the echo region, with a size of a few light years across. We also find evidence of dust processing in the form of a lack of small PAHs with less than \sim300 carbon atoms, consistent with a scenario of PAHs destruction by the UV burst via photodissociation at the estimated distance of the echo region from Cas A. Furthermore, our simulations suggest that the weak 11 μm features of our recorded infrared echo spectrum are consistent with a strong dehydrogenated state of the PAHs. This exploratory study highlights the potential of investigating dust processing in the interstellar medium through infrared echoes.
description: 16 pages, 14 figures, accepted for publication in the Astrophysical Journal
The transmission of Ghanaian music by Abdul Adams in Calgary, Alberta, Canada: teaching and learning Kpanlogo of the Ga and Adowa of the Ashanti as social expression
Creators: name: Burns, Lianne
Publisher: name: University of Calgary
Year: 2001
Subjects: subject: AC1 .T484 2001 B867

description: Bibliography: p. 88-92.
description: accompanying CD-R
Report describing the comparison of material parameter measurements at millimetre-wave and THz frequencies
Creators: name: Allal, Djamel
name: Arz, Uwe
name: Gäumann, Gregory
name: Gregory, Andrew
name: Hudlička, Martin
name: Kazemipour, Alireza
name: Kleine-Ostmann, Thomas
name: Phung, Gia Ngoc
name: Maršík, Přemysl
name: Naftaly, Mira
name: Sakarya, Handan
name: Shang, Xiaobang
name: Ulm, David
name: Wojciechowski, Marcin
name: Zagrajek, Przemyslaw
Publisher: name: Zenodo
Year: 2022
Subjects: material characterization, permittivity, measurement uncertainty

description: This pilot study was part of the EMPIR (18SIB09) TEMMT project and was registered as the EURAMET 1514 comparison. Therein, different methods for material parameter measurements in the THz spectral range were compared. The different measurement setups included photonic-based (TDS, FDS and TDE), resonant methods and VNA based systems, all of which have unique properties like e.g. spectral coverage. The comparison covered frequency range from approximately 20 GHz up to potentially several THz. The exact frequency range was left open and different systems have different frequency coverage. Part of the study was also to evaluate frequency limits of the different setups. A set of reference materials was measured by as many setups as possible. In addition, the measurements were analyzed with different material parameter extraction methods to study and compare different algorithms.
Resonance Contribution to Radiative Neutron Capture on Lithium-7
Creators: name: Fernando, Lakma
name: Higa, Renato
name: Rupak, Gautam
Publisher: name: arXiv
Year: 2011
Subjects: subject: Nuclear Theory (nucl-th)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Using halo effective field theory, we provide a model-independent calculation of the radiative neutron capture on lithium-7 over an energy range where the contribution from the 3+ resonance becomes important. One finds that a satisfactory description of the capture reaction, in the present single-particle approximation, suggests the use of a resonance width about three times larger than the experimental value. We also present power counting arguments that establish a hierarchy for electromagnetic one- and two-body currents.
description: 28 pages, 7 figures
Hydrodynamic simulations of viscous accretion flows around black holes
Creators: name: Giri, Kinsuk
name: Chakrabarti, Sandip K.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We study the time evolution of a rotating, axisymmetric, viscous accretion flow around black holes using a grid based finite difference method. We use the Shakura-Sunyaev viscosity prescription. However, we compare with the results obtained when all the three independent components of the viscous stress are kept. We show that the centrifugal pressure supported shocks became weaker with the inclusion of viscosity. The shock is formed farther out when the viscosity is increased. When the viscosity is above a critical value, the shock disappears altogether and the flow becomes subsonic and Keplerian everywhere except in a region close to the horizon, where it remains supersonic. We also find that as the viscosity is increased, the amount of outflowing matter in the wind is decreased to less than a percentage of the inflow matter. Since the post-shock region could act as a reservoir of hot electrons or the so-called 'Compton cloud', the size of which changes with viscosity, the spectral properties are expected to depend on viscosity strongly: the harder states are dominated by low-angular momentum and the low viscosity flow with a significant outflows while the softer states are dominated by the high viscosity Keplerian flow having very little outflows.
description: 21 pages, 11 fiures, Accepted in MNRAS (In Press)
Use Case on Obtaining Informed Consent from Study Subjects
Creators: name: Bellanger, Silke
name: Besmer, Christina
name: Kaufmann, Danielle
name: Lindenmann, Iris
name: Morger, Jennifer
name: Schreier, Gero
Publisher: name: Zenodo
Year: 2025
Subjects: Research Data Management
Qualitative Data
Personal Data
Data Protection

description: These use cases are intended to assist researchers. The instructions in the text are not legally binding. If you have any questions about data protection, copyright, or other legal aspects, make sure to contact the relevant offices at your university.

There is a total of ten use cases on various topics:

Data Processing by Third Parties

Obtaining Informed Consent from Study Subjects

Information Security

Anonymization for Small Groups of Study Subjects

Reusing Personal Data

Public Figures

Using Repositories for Sensitive Data

SNSF Open-Research-Data Standards

Storage Duration

Presentations and Teaching

The use cases are linked on Zenodo and are under a CC BY-SA 4.0 license.

The use cases were developed collaboratively by the open science teams at the Basel and Bern University Libraries and the data protection officer of the University of Basel following a workshop on data protection and the anonymization of qualitative research data. The workshop took place on May 27, 2019.
Model anisotropic quantum Hall states
Creators: name: Qiu, R. -Z.
name: Haldane, F. D. M.
name: Wan, Xin
name: Yang, Kun
name: Yi, Su
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Model quantum Hall states including Laughlin, Moore-Read and Read-Rezayi states are generalized into appropriate anisotropic form. The generalized states are exact zero-energy eigenstates of corresponding anisotropic two- or multi-body Hamiltonians, and explicitly illustrate the existence of geometric degrees of in the fractional quantum Hall effect. These generalized model quantum Hall states can provide a good description of the quantum Hall system with anisotropic interactions. Some numeric results of these anisotropic quantum Hall states are also presented.
description: 10 pages, 5 figures
Conditions for Inter-brain Synchronization in Remote Communication: Investigating the Role of Transmission Delay
Creators: name: Lai, Sinyu
name: Li, Wanhui
name: Amano, Kaoru
name: Rekimoto, Jun
Publisher: name: arXiv
Year: 2025
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: Inter-brain synchronization (IBS), the alignment of neural activities between individuals, is a fundamental mechanism underlying effective social interactions and communication. Prior research has demonstrated that IBS can occur during collaborative tasks and is deeply connected to communication effectiveness. Building on these findings, recent investigations reveal that IBS happens during remote interactions, implying that brain activities between individuals can synchronize despite latency and physical separation. However, the conditions under which this synchronization occurs or is disrupted in remote settings, especially the effect of latency, are not fully understood. This study investigates how varying transmission latency affects IBS, in order to identify thresholds where synchronization is disrupted. Using electroencephalography measurements quantified through Phase Locking Value -- a metric that captures synchronization between brainwave phases -- we first confirm synchronization under face-to-face conditions and then observe changes in IBS across remote communication scenarios. Our findings reveal that IBS can occur during remote collaboration, but is critically dependent on transmission delays, with delays exceeding 450 ms significantly disrupting synchronization. These findings suggest that IBS may serve as a key indicator of communication quality in remote interactions, offering insights for improving remote communication systems and collaboration.
Quantum geometry of elliptic Calabi-Yau manifolds
Creators: name: Klemm, Albrecht
name: Manschot, Jan
name: Wotschke, Thomas
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the quantum geometry of the class of Calabi-Yau threefolds, which are elliptic fibrations over a two-dimensional toric base. A holomorphic anomaly equation for the topological string free energy is proposed, which is iterative in the genus expansion as well as in the curve classes in the base. T-duality on the fibre implies that the topological string free energy also captures the BPS-invariants of D4-branes wrapping the elliptic fibre and a class in the base. We verify this proposal by explicit computation of the BPS invariants of 3 D4-branes on the rational elliptic surface.
description: 63 pages, 4 figures
Reduction of heating rate in a microfabricated ion trap by pulsed-laser cleaning
Creators: name: Allcock, D T C
name: Guidoni, L
name: Harty, T P
name: Ballance, C J
name: Blain, M G
name: Steane, A M
name: Lucas, D M
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Laser-cleaning of the electrodes in a planar micro-fabricated ion trap has been attempted using ns pulses from a tripled Nd:YAG laser at 355nm. The effect of the laser pulses at several energy density levels has been tested by measuring the heating rate of a single 40Ca+ trapped ion as a function of its secular frequency. A reduction of the electric-field noise spectral density by ~50% has been observed and a change in the frequency dependence also noticed. This is the first reported experiment where the "anomalous heating" phenomenon has been reduced by removing the source as opposed to reducing its thermal driving by cryogenic cooling. This technique may open the way to better control of the electrode surface quality in ion microtraps.
Avstiving av Eirik Jarls gate 2 og 4 og Klostergata 33 og 35
Creators: name: Enger, Martin
Publisher: name: Unknown
Year: 1916

description: Inneholder også et skriv med tittel "Betongbygg og kontroll" skrevet av Martin Enger i 1937 om offentlig kontroll av betongarbeider.
title: Intelligent Remaining Useful Lifetime Estimation and Built-in Self-Test for Reliable Digital Designs
Creators: name: Hernandez Martinez, Antonio
Publisher: name: University of Liverpool Repository
Year: 2024

description: The integration of millions of transistors on a single chip is possible due to rapid scaling of CMOS technology. This is critical to the advancement of several disciplines, including medicine, automotive, aerospace, military and banking, which uses high performance and reliable microelectronics as part of design with up to 20 years of expected operational life. Reliability concerns have been addressed in research studies around the world, proposing testing and monitoring procedures for integrated circuits (ICs) as a way to avert catastrophic events. For example, built-in self-test (BIST) allows implementation of testing methods on-chip, making it feasible for on-site testing. This thesis contributes to this approach by proposing a technique for the test pattern generator. The Berleycamp-Messey (BM) algorithm is employed as a deterministic technique to find the generator of test patterns for hard to detect faults. Using test sets from an automatic test pattern generator (ATPG), a trade-off analysis is provided on re-seeding and concatenated test sets that demonstrate high test coverage at reduced area overhead, while maintaining full test coverage. The issue of remaining useful life (RUL) of electronic devices is a critical challenge for reliability. In practice, the mean time to failure (MTTF) is taken as a measure of electronics' anticipated longevity. Nonetheless, this technique involves broad assumptions that lead to RUL mispredictions. Similar deviations are found when using passive components to monitor lifetime of electronics. This thesis presents a machine learning based method that accurately predicts the RUL of each microelectronic device using minimal area overhead. This considers aging effects of CMOS transistors, as well as temperature and voltage variation. Embedded DRAM (eDRAM) is commonly employed in SoCs, accounting for over half of the total chip area. As a result, the critical effects of aging in eDRAM is also addressed in this thesis, showing a favourable influence on the data retention time (DRT) and therefore benefiting low power design methodology. A comprehensive analysis on DRT and refresh rate (RR) is provided, accounting for aging effects, process variation and temperature variation. A machine learning model is trained to predict RR and contributes to management and optimization over the lifetime of embedded DRAM.
The Cepheid distance to the Local Group Galaxy NGC 6822
Creators: name: Feast, M. W.
name: Whitelock, P. A.
name: Menzies, J. W.
name: Matsunaga, N.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Recent estimates of the Cepheid distance modulus of NGC 6822 differ by 0.18 mag. To investigate this we present new multi-epoch JHKs photometry of classical Cepheids in the central region of NGC 6822 and show that there is a zero-point difference from earlier work. These data together with optical and mid-infrared observations from the literature are used to derive estimates of the distance modulus of NGC 6822. A best value of 23.40 mag is adopted, based on an LMC distance modulus of 18.50 mag. The standard error of this quantity is ~0.05 mag. We show that to derive consistent moduli from Cepheid observations at different wavelengths, it is necessary that the fiducial LMC period-luminosity relations at these wavelengths should refer to the same subsample of stars. Such a set is provided. A distance modulus based on RR Lyrae variables agrees with the Cepheid result.
description: accepted for publication in MNRAS
What makes work matter? A qualitative study of meaningful occupational experiences among women at midlife
Creators: name: Kiely, Jerilynn Ann
Publisher: name: University of Calgary
Year: 1999
Subjects: subject: HD 6056 K54 1999
subject: Women - Employment
subject: Middle - aged women - Attitudes
subject: Women employees - Job satisfaction
subject: Job satisfaction

description: Bibliography: p. 131-139
description: UARC
"Teaching a stone to talk": a site management plan for the Okotoks big rock
Creators: name: Bosch, Katherine Ann
Publisher: name: Environmental Design
Year: 2000
Subjects: subject: FC3665 .B54 B67 2000A
subject: Historic Sites - Alberta - Big Rock
subject: Historic Sites - Alberta - Big Rock - Conservation and restoration
subject: Historic Sites - Alberta - Big Rock - Management
subject: Big Rock (Alta.)

description: Bibliography: p. 93-102
Statistical mechanical approach to secondary processes and structural relaxation in glasses and glass formers
Creators: name: Crisanti, Andrea
name: Leuzzi, Luca
name: Paoluzzi, Matteo
Publisher: name: arXiv
Year: 2011
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The interrelation of dynamic processes active on separated time-scales in glasses and viscous liquids is investigated using a model displaying two time-scale bifurcations both between fast and secondary relaxation and between secondary and structural relaxation. The study of the dynamics allows for predictions on the system relaxation above the temperature of dynamic arrest in the mean-field approximation, that are compared with the outcomes of the equations of motion directly derived within the Mode Coupling Theory (MCT) for under-cooled viscous liquids. Varying the external thermodynamic parameters a wide range of phenomenology can be represented, from a very clear separation of structural and secondary peak in the susceptibility loss to excess wing structures.
description: 13 pages, 8 figures
Why Banach algebras?
Creators: name: Runde, Volker
Publisher: name: arXiv
Year: 2012
Subjects: subject: History and Overview (math.HO)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics

description: We give a brief overview of the area of Banach algebras, intended for a general mathematical audience.
description: 6 pages; a shortened version appeared the the Research Notes department of the CMS Notes; some typos fixed
Towards an understanding of Canadian traditional song style through analyses of descrptive transcriptions using field recordings made by Edith F. Fowke in the Peterborough area of Ontario during the years 1957 to 1959
Creators: name: Herget, Sheri
Publisher: name: University of Calgary
Year: 2001
Subjects: subject: AC1 .T484 2001 H47

description: Bibliography: p. 214-217.
Phase transitions in optical turbulence
Creators: name: Vladimirova, Natalia
name: Derevyanko, Stanislav
name: Falkovich, Gregory
Publisher: name: arXiv
Year: 2011
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We consider turbulence in the Gross-Pitaevsky model and study the creation of a coherent condensate via an inverse cascade originated at small scales. The growth of the condensate leads to a spontaneous breakdown of symmetries of small-scale over-condensate fluctuations: first, statistical isotropy is broken, then series of phase transitions mark the change of symmetry from the two-fold to three-fold to four-fold. At the highest condensate level reached, we observe a short-range positional and long-range orientational order (similar to a hexatic phase in the condensed matter physics). In other words, the longer one pumps the system the more ordered it becomes. We show that these phase transitions happen when the driving term corresponds to an instability (i.e. it is multiplicative in the k-space) but not when the system is pumped by a random force. Thus we demonstrate for the first time non-universality of the inverse-cascade turbulence. We also describe anisotropic spectral flux flows in k-space, anomalous correlations of fluctuations and collective oscillations of turbulence-condensate system.
Moving Object Trajectories Meta-Model And Spatio-Temporal Queries
Creators: name: Boulmakoul, Azedine
name: Karim, Lamia
name: Lbath, Ahmed
Publisher: name: arXiv
Year: 2012
Subjects: subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: In this paper, a general moving object trajectories framework is put forward to allow independent applications processing trajectories data benefit from a high level of interoperability, information sharing as well as an efficient answer for a wide range of complex trajectory queries. Our proposed meta-model is based on ontology and event approach, incorporates existing presentations of trajectory and integrates new patterns like space-time path to describe activities in geographical space-time. We introduce recursive Region of Interest concepts and deal mobile objects trajectories with diverse spatio-temporal sampling protocols and different sensors available that traditional data model alone are incapable for this purpose.
description: International Journal of Database Management Systems (IJDMS) Vol.4, No.2, April 2012