cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Three Essays on Medicare Quality Initiatives
Creators: name: O'malley, Megan
Publisher: name: Carnegie Mellon University
Year: 2019
Subjects: subject: 140208 Health Economics
subject: FOS: Economics and business

description: My first chapter explores the relationship between readmission reduction efforts and hospital costs. A total hospital operating cost function is estimated using
over 5,000 observations from 2,129 US hospitals from the period 2012 - 2017. Using these cost estimates, I estimate a hospitals marginal cost of a 1% readmission
reduction for a single monitored disease. The average marginal cost of reducing risk-adjusted readmission rates for monitored diseases varies from $1,186,689 to $3,844,643. Significantly higher marginal cost are found for hospitals
with the highest number of dual-eligible patients, with hospitals spending up to an extra $839,027 to reduce readmission rates. These results contribute to
the growing literature on the burden of quality incentive programs on hospitals serving disproportionately low-income populations. The second chapter adds to the growing literature on the Hospital Readmission Reduction Program by describing the financial incentives faced by hospitals, estimating their magnitude and distribution, and testing whether hospitals facing larger financial incentives are more likely to improve performance. I estimate the magnitude of the expected future penalty for one additional readmission
across hospitals and procedures and find that on average hospitals can expect a penalty increase two periods in the future for one additional readmission today of: $27,906.74 for an additional AMI readmission, $39,161.94 for heart
failure, and $30,574.30 for an additional pneumonia admission. I find evidence that hospitals improve their readmission rates over time for the monitored conditions
for which they have the highest marginal incentives to improve. I also find evidence that approximately 30% of hospitals have no incentive to improve performance on any condition in a given year. In the third chapter, I investigate the effect of observed hospital quality measures
on patient demand for elective procedures. Using patient-level data from the state of Florida, I estimate a multinomial logit demand model using patient comorbidities and distance between patient zipcode and hospital zipcodes to
identify the effect of a marginal decrease in Hip and Knee Replacement complication rates on hospital demand. Previous literature has investigated the impact
of changes in readmission and mortality rates on hospital demand, but have not looked into complication rates. The findings indicate that patients have a significant
willingness to travel for improved quality measures, including lower complication rates for elective hip and/or knee replacement, lower 30-day readmission rates and lower in-hospital mortality rates for patients with serious treatable
conditions. Patient preference heterogeneity inputs older patients being less willing to travel further distances.
Shocks and dust survival in nearby active galaxies: implications for the alignment effect
Creators: name: Villar-Martin, M.
name: De Young, D.
name: Alonso-Herrero, A.
name: Allen, M.
name: Binette, L.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: One of the most popular explanations for the so-called alignment effect in high redshift (z>0.7) radio galaxies is the scattering by dust of the hidden quasar light. As shown by De Young (1998) a problem with the dust scattering model is that the short destruction time-scale for dust grains means that they will not survive the passage of the radio jet. We investigate the survival of dust in the extended ionised gas of nearby active galaxies with jet/gas interactions. We discuss the implications on the alignment effect of high redshift (>0.7) radio galaxies. We conclude that although shocks are likely to destroy dust grains in regions of interaction, dust might survive in enough quantities to scatter light from the active nucleus and produce alignment between scattered light and the radio structures. We propose an observational test to investigate the existence of dust in shocked regions based on the sensitivity of calcium to depletion onto dust grains.
description: 8 pages, 1 Figure, 3 tables, accepted for publication in MNRAS
Binary and Millisecond Pulsars at the New Millennium
Creators: name: Lorimer, D. R.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We review the properties and applications of binary and millisecond pulsars. Our knowledge of these exciting objects has greatly increased in recent years, mainly due to successful surveys which have brought the known pulsar population to over 1300. There are now 56 binary and millisecond pulsars in the Galactic disk and a further 47 in globular clusters. This review is concerned primarily with the results and spin-offs from these surveys which are of particular interest to the relativity community.
description: 59 pages, 26 figures, 5 tables. Accepted for publication in Living Reviews in Relativity (http://www.livingreviews.org)
On the origin of the anomalous peak in the resistivity of TiSe$_2$
Creators: name: Watson, Matthew D.
name: Beales, Adam M.
name: King, Philip D. C.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Resistivity measurements of TiSe$_2$ typically show only a weak change in gradient at the charge density wave transition at $T_{CDW}\approx$ 200~K, but more prominently feature a broad peak at a lower $T_{peak}\sim$ 165~K, which has remained poorly understood despite decades of research on the material. Here we present quantitative simulations of the resistivity using a simplified parametrization of the normal state band structure, based on recent photoemission data. Our simulations reproduce the overall profile of the resistivity of TiSe$_2$, including its prominent peak, without implementing the CDW at all. We find that the peak in resistivity corresponds to a crossover between a low temperature regime with electron-like carriers only, to a regime around room temperature where thermally activated and highly mobile hole-like carriers dominate the conductivity. Even when implementing substantial modifications to model the CDW below the transition temperature, we find that these thermal population effects still dominate the transport properties of TiSe$_2$.
Discovery of radio pulsations from the X-ray pulsar J0205+6449 in supernova remnant 3C58 with the Green Bank Telescope
Creators: name: Camilo, F.
name: Stairs, I. H.
name: Lorimer, D. R.
name: Backer, D. C.
name: Ransom, S. M.
name: Klein, B.
name: Wielebinski, R.
name: Kramer, M.
name: McLaughlin, M. A.
name: Arzoumanian, Z.
name: Muller, P.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the discovery with the 100 m Green Bank Telescope of 65 ms radio pulsations from the X-ray pulsar J0205+6449 at the center of supernova remnant 3C58, making this possibly the youngest radio pulsar known. From our observations at frequencies of 820 and 1375 MHz, the free electron column density to PSR J0205+6449 is found to be 140.7 +- 0.3 pc/cc. The barycentric pulsar period P and period derivative determined from a phase-coherent timing solution are consistent with the values previously measured from X-ray observations. The averaged radio profile of PSR J0205+6449 consists of one sharp pulse of width ~ 3 ms ~ 0.05 P. The pulsar is an exceedingly weak radio source, with pulse-averaged flux density in the 1400 MHz band of 0.045 mJy and a spectral index of ~ -2.1. Its radio luminosity of ~ 0.5 mJy kpc^2 at 1400 MHz is lower than that of ~ 99% of known pulsars and is the lowest among known young pulsars.
description: 5 pages, 2 included figures, accepted for publication by ApJ Letters
Shoreline sedimentation at modern plate boundaries, Huon Gulf, Papua New Guinea
Creators: name: Deacon, Geoff
Publisher: name: The Australian National University
Year: 1993
Subjects: subject: Facies (Geology) Papua New Guinea Huon Gulf Region
subject: Plate tectonics Papua New Guinea Huon Gulf Region
subject: Sedimentation and deposition Papua New Guinea Huon Gulf Region
subject: Shorelines Papua New Guinea Huon Gulf Region

description: [v.1]. [Main work] -- [v.2]. Appendices
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸ Ð¸ ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¸ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ ÐºÐ¾ÑÐ¿ÑÑÐ° ÑÑÐ°ÑÐ¾ÑÐ° ÑÐ»ÐµÐºÑÑÐ¾Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ Ð½Ð°ÑÐ¾ÑÐ° Ð´Ð»Ñ Ð¿ÑÐ¾ÐºÐ°ÑÐºÐ¸ Ñ Ð¸Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ Ð²ÐµÑÐµÑÑÐ²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Development of design and manufacturing technology of electric motor stator housing of pump for pumping chemicals
Creators: name: ÐÐ¸ÑÐ°Ð¹Ð»Ð¾Ð²Ð°, ÐÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: Ð­Ð»ÐµÐºÑÑÐ¾Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ð¸
Ð¡ÑÐ°ÑÐ¾ÑÑ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¼Ð°ÑÐ¸Ð½
ÑÐµÐ¿Ð»Ð¾Ð¾ÑÐ²Ð¾Ð´
ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑ
ÑÐµÐ¿Ð»Ð¾Ð²Ð¾Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ
ÑÐµÐ±ÑÐ¾
ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸
ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ
heat sink
temperature distribution
thermal process
fin
design development
technological process

description: Ð Ð°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐµ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸ Ð¸ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¸ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÑÐ°Ð»Ð¸ Â«ÐÐ¾ÑÐ¿ÑÑ ÑÑÐ°ÑÐ¾ÑÐ°Â» ÐÐ ÐÐ.753334.002 Ð² ÑÑÐ»Ð¾Ð²Ð¸ÑÑ ÐµÐ´Ð¸Ð½Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð°. Ð Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°ÑÐµÐ»ÑÑÐºÐ¾Ð¹ ÑÐ°ÑÑÐ¸ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ð¸ Ð±ÑÐ»Ð¸ ÑÐ¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ñ ÑÐµÐ¿Ð»Ð¾Ð²ÑÐµ Ð¿Ð¾ÑÐ¾ÐºÐ¸, Ð²Ð¾Ð·Ð½Ð¸ÐºÐ°ÑÑÐ¸Ðµ Ð² ÐºÐ¾ÑÐ¿ÑÑÐµ Ð¿ÑÐ¸ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ»ÐµÐºÑÑÐ¾Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ Ð¸ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑ Ð¿Ð¾ Ð²ÑÐµÐ¹ Ð´ÐµÑÐ°Ð»Ð¸. Ð Ð°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°Ð»Ð¸ÑÑ Ð¿ÑÑÑ Ð²Ð°ÑÐ¸Ð°Ð½ÑÐ¾Ð² ÑÐ°ÑÐ¿Ð¾Ð»Ð¾Ð¶ÐµÐ½Ð¸Ñ ÑÑÐ±ÐµÑ Ñ ÑÐ°Ð·Ð»Ð¸ÑÐ½Ð¾Ð¹ ÑÐ¾Ð»ÑÐ¸Ð½Ð¾Ð¹ Ð¸ Ð¸Ð½ÑÐµÑÐ²Ð°Ð»Ð¾Ð¼ Ð¼ÐµÐ¶Ð´Ñ ÑÑÐ±ÑÐ°Ð¼Ð¸. ÐÐ° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¹ Ð±ÑÐ»Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ñ Ð´ÐµÑÐ°Ð»Ð¸ Â«ÐÐ¾ÑÐ¿ÑÑ ÑÑÐ°ÑÐ¾ÑÐ°Â» â Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð° 3-D Ð¼Ð¾Ð´ÐµÐ»Ñ Ð¸ ÑÐ¾Ð·Ð´Ð°Ð½ ÑÐµÑÑÐµÐ¶, ÑÐ¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð´ÐµÑÐ°Ð»Ð¸ Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸.
description: The work is devoted to the development of design and manufacturing technology of part "Stator housing" NRMP.753334.002 in conditions of unit production. In the research part of the thesis, the heat fluxes occurring in the casing during motor operation and the temperature distribution throughout the part were modelled. Five rib arrangements with different thicknesses and rib spacing were considered. On the basis of researches the design of part "Stator housing" was developed - 3-D model was built and drawing was created, technological process of part machining was designed and a set of technological documentation was developed.
Alex Orlek DPhil Thesis Appendix files
Creators: name: Orlek, Alex
Publisher: name: figshare
Year: 2021
Subjects: subject: 60102 Bioinformatics
subject: FOS: Computer and information sciences
subject: Microbiology
subject: FOS: Biological sciences
subject: 60408 Genomics

description: Thesis: Using bacterial DNA sequencing data to investigate the epidemiology of plasmid-mediated antibiotic resistance
A thesis submitted for the degree of Doctor of Philosophy in Clinical Medicine

Appendices A-D
Multi-leg integrable ladder models
Creators: name: Arnaudon, D.
name: Sedrakyan, A.
name: Sedrakyan, T.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Condensed Matter (cond-mat)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We construct integrable spin chains with inhomogeneous periodic disposition of the anisotropy parameter. The periodicity holds for both auxiliary (space) and quantum (time) directions. The integrability of the model is based on a set of coupled Yang-Baxter equations. This construction yields P-leg integrable ladder Hamiltonians. We analyse the corresponding quantum group symmetry.
description: 20 pages; Latex2e with epic,eepic macros
Oxygen Isotopic Composition of an Enstatite Ribbon of Probable Cometary Origin
Creators: name: Ogliore, Ryan C.
name: Brownlee, Donald E.
name: Nagashima, Kazuhide
name: Joswiak, Dave J.
name: Lewis, Josiah B.
name: Krot, Alexander N.
name: Ut, Kainen L.
name: Huss, Gary R.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Filamentary enstatite crystals are found in interplanetary dust particles of likely cometary origin but are very rare or absent in meteorites. Crystallographic characteristics of filamentary enstatites indicate that they condensed directly from vapor. We measured the O isotopic composition of an enstatite ribbon from a giant cluster interplanetary dust particle to be $δ^{18}\rm{O}{=25{\pm}55}$, $δ^{17}\rm{O}{=-19{\pm}129}$, $Δ^{17}\rm{O}{=-32{\pm}134}$ (2$σ$ errors), which is inconsistent at the 2$σ$ level with the composition of the Sun inferred from the Genesis solar wind measurements. The particle's O isotopic composition, consistent with the terrestrial composition, implies that it condensed from a gas of non-solar O isotopic composition, possibly as a result of vaporization of disk region enriched in $^{16}$O-depleted solids. The relative scarcity of filamentary enstatite in asteroids compared to comets implies either that this crystal condensed from dust vaporized \textit{in-situ} in the outer Solar System where comets formed, or it condensed in the inner Solar System and was subsequently transported outward to the comet-forming region.
The effects of a comptonizing corona on the appearance of the reflection components in accreting black hole spectra
Creators: name: Petrucci, P. O.
name: Merloni, A.
name: Fabian, A.
name: Haardt, F.
name: Gallo, E.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We discuss the effects of a comptonizing corona on the appearance of the reflection components, and in particular of the reflection hump, in the X-rays spectra of accreting black holes. Indeed, in the framework of a thermal corona model, we expect that part (or even all, depending on the coronal covering factor) of the reflection features should cross the hot plasma, and thus suffer Compton scattering, before being observed. We have studied in detail the dependence of these effects on the physical (i.e. temperature and optical depth) and geometrical (i.e. inclination angle) parameters of the corona, concentrating on the slab geometry . Due to the smoothing and shifting towards high energies of the comptonized reflection hump, the main effects on the emerging spectra appear above 100 keV. We have also investigated the importance of such effects on the interpretation of the results obtained with the standard fitting procedures. We found that fitting Comptonization models, taking into account comptonized reflection, by the usual cut-off power law + uncomptonized reflection model, may lead to an underestimation of the reflection normalization and an overestimation of the high energy cut-off. We discuss and illustrate the importance of these effects by analysing recent observational results as those of the galaxy NGC 4258. We also find that the comptonizing corona can produce and/or emphasize correlations between the reflection features characteristics (like the iron line equivalent width or the covering fraction) and the X-ray spectral index similar to those recently reported in the literature. We also underline the importance of these effects when dealing with accurate spectral fitting of the X-ray background.
description: 11 pages, 14 figures accepted for publication in MNRAS. Version printable on US 8.5x11 paper
Social Norms in Gift Giving: A Comprehensive Theory for Giver-Recipient Discrepancies in Gift Selection
Creators: name: Givi, Julian
Publisher: name: Carnegie Mellon University
Year: 2019
Subjects: subject: 150599 Marketing not elsewhere classified
subject: FOS: Economics and business

description: In this research, I introduce a novel framework for understanding and predicting asymmetries in gift giving (i.e., disparities between the types of gifts givers give and the ones
recipients prefer to receive). This framework is centered around descriptive and injunctive norms
and is capable of both accounting for previously documented giver-recipient asymmetries and predicting novel ones. Specifically, I demonstrate that gift giving asymmetries are most likely to occur when one of the gifts being considered is less descriptively (but not less injunctively) normative than the other, with givers over-giving the more descriptively normative gift; that gift
giving asymmetries are unlikely to occur either when one of the gifts being considered is less descriptively and injunctively normative than the other, or neither gift being considered is less
descriptively nor injunctively normative than the other; that the reason givers over-give descriptively normative gifts in the first case is because they feel more uncomfortable than recipients when a descriptively non-normative gift is given; and that the reason gift choice asymmetries do not transpire in the latter two cases is because of the absence of any such discomfort disparities.
Neritopsis Grateloup 1832
Creators: name: Lozouet, Pierre
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Cycloneritida
Neritopsidae
Neritopsis

description: Genus Neritopsis Grateloup, 1832
 Neritopsis Grateloup, 1832: 126, figs 1-3.
 TYPE SPECIES. — Neritopsis moniliformis Grateloup, 1832 by monotypy. Lower Miocene of Aquitaine Basin (Aquitanian stage).
 It is worth to note that the type species is N. moniliformis from the Miocene of southwestern France, rather than N. radula as was accepted in some monographs (e.g., Moore 1960).
 FIG. 1. — Geographic distribution of Neritopsis richeri n. sp. in the Austral Islands, showing the stations cited in the text (★). Courtesy of Benoît Fontaine.
REMARKS
 Relationships among the Neritopsina are in the course of study. The slug genus Titiscania Bergh, 1975 which previously had an uncertain systematic position, has been included in this clade (Kano et al. 2002). The ecological radiation of the Neritopsina is remarkable. Originating from shallow water, Neritopsina have invaded fresh water and terrestrial environments, and live also in brackish waters and in anchialine waters (defined by Kano & Kase [2004] as “bodies of haline water with more or less extensive subterranean connections to the sea, and showing noticeable marine as well as terrestrial influences”). They have colonised deep-sea hydrothermal vents and seeps, and the Neritopsidae take refuge in submarine caves.Preliminary results based on partial 28S rRNA sequence (Kano et al. 2002) demonstrate that the Neritopsidae is a very distinct, archaic clade.
description: Published as part of Lozouet, Pierre, 2009, A new Neritopsidae (Mollusca, Gastropoda, Neritopsina) from French Polynesia, pp. 189-198 in Zoosystema 31 (1) on pages 190-191, DOI: 10.5252/z2009n1a10, http://zenodo.org/record/5395429
Orbital Comptonization in accretion disks around black holes
Creators: name: Reig, Pablo
name: Kylafis, Nikolaos D.
name: Spruit, Henk C.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have performed Monte Carlo simulations of Compton upscattering of low-energy photons in an accretion disk around a Schwarzschild black hole. The photons gain energy from the rotational motion of the electrons in the disk. The upscattering occurs near the black hole horizon, where the flow velocity of the electrons approaches the speed of light. We show that this type of bulk-flow Comptonization can produce power-law X-ray spectra similar to the ones observed in black-hole X-ray transients in the high/soft state, i.e., a soft bump dominating the spectrum below ~ 10 keV and a power-law tail with photon index in the range 2-3. In order to reproduce the observed hard to soft flux ratio the disk has to have vertical optical depth above ~ 3 at the last stable orbit. We conclude that the power-law component of the high/soft state of black-hole transients may be due to an intrinsically cool disk extending all the way to the hole, without a separate hot plasma component.
description: 6 pages, 6 figures
GraphVite: A High-Performance CPU-GPU Hybrid System for Node Embedding
Creators: name: Zhu, Zhaocheng
name: Xu, Shizhen
name: Qu, Meng
name: Tang, Jian
Publisher: name: arXiv
Year: 2019
Subjects: subject: Machine Learning (cs.LG)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Learning continuous representations of nodes is attracting growing interest in both academia and industry recently, due to their simplicity and effectiveness in a variety of applications. Most of existing node embedding algorithms and systems are capable of processing networks with hundreds of thousands or a few millions of nodes. However, how to scale them to networks that have tens of millions or even hundreds of millions of nodes remains a challenging problem. In this paper, we propose GraphVite, a high-performance CPU-GPU hybrid system for training node embeddings, by co-optimizing the algorithm and the system. On the CPU end, augmented edge samples are parallelly generated by random walks in an online fashion on the network, and serve as the training data. On the GPU end, a novel parallel negative sampling is proposed to leverage multiple GPUs to train node embeddings simultaneously, without much data transfer and synchronization. Moreover, an efficient collaboration strategy is proposed to further reduce the synchronization cost between CPUs and GPUs. Experiments on multiple real-world networks show that GraphVite is super efficient. It takes only about one minute for a network with 1 million nodes and 5 million edges on a single machine with 4 GPUs, and takes around 20 hours for a network with 66 million nodes and 1.8 billion edges. Compared to the current fastest system, GraphVite is about 50 times faster without any sacrifice on performance.
description: accepted at WWW 2019
Alex Orlek DPhil Thesis Appendix files
Creators: name: Orlek, Alex
Publisher: name: figshare
Year: 2020
Subjects: subject: 60102 Bioinformatics
subject: FOS: Computer and information sciences
subject: Microbiology
subject: FOS: Biological sciences
subject: 60408 Genomics

description: Thesis: Using bacterial DNA sequencing data to investigate the epidemiology of plasmid-mediated antibiotic resistance
A thesis submitted for the degree of Doctor of Philosophy in Clinical Medicine

Appendices A-D
Velocity Saturation effect on Low Frequency Noise in short channel Single Layer Graphene FETs
Creators: name: Mavredakis, Nikolaos
name: Wei, Wei
name: Pallecchi, Emiliano
name: Vignaud, Dominique
name: Happy, Henri
name: Cortadella, Ramon Garcia
name: Calia, Andrea Bonaccini
name: Garrido, Jose A.
name: Jiménez, David
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Graphene devices for analog and RF applications are prone to Low Frequency Noise (LFN) due to its upconversion to undesired phase noise at higher frequencies. Such applications demand the use of short channel graphene transistors that operate at high electric fields in order to ensure a high speed. Electric field is inversely proportional to device length and proportional to channel potential so it gets maximized as the drain voltage increases and the transistor length shrinks. Under these conditions though, short channel effects like Velocity Saturation (VS) should be taken into account. Carrier number and mobility fluctuations have been proved to be the main sources that generate LFN in graphene devices. While their contribution to the bias dependence of LFN in long channels has been thoroughly investigated, the way in which VS phenomenon affects LFN in short channel devices under high drain voltage conditions has not been well understood. At low electric field operation, VS effect is negligible since carriers velocity is far away from being saturated. Under these conditions, LFN can be precicely predicted by a recently established physics-based analytical model. The present paper goes a step furher and proposes a new model which deals with the contribution of VS effect on LFN under high electric field conditions. The implemented model is validated with novel experimental data, published for the first time, from CVD grown back-gated single layer graphene transistors operating at gigahertz frequencies. The model accurately captures the reduction of LFN especially near charge neutrality point because of the effect of VS mechanism. Moreover, an analytical expression for the effect of contact resistance on LFN is derived. This contact resistance contribution is experimentally shown to be dominant at higher gate voltages and is accurately described by the proposed model.
description: Main Manuscript:10 pages, 6 figures
THE IMPACT OF FAMILY PLANNING ON MOTHERS HEALTH AMONG MOTHERS AGED 15-49 YEARS, CASE STUDY AT SOS HOSPITAL
Creators: name: Ayub, Ali Omar
Publisher: name: Zenodo
Year: 2025
Subjects: IMPACT
FAMILY PLANNING
MOTHERS HEALTH
AMONG MOTHERS AGED 15-49 YEARS, CASE STUDY AT SOS HOSPITAL

description: Abstract

Childhood immunization is one of the most effective public health interventions to prevent vaccine-preventable diseases and reduce child mortality. However, failure to complete childhood immunization remains a major concern in many parts of the world, including Howlwadag District, Mogadishu, Somalia. This study examines the factors associated with the failure to complete childhood immunization, focusing on accessibility, socio-cultural influences, and healthcare service delivery.

Using a cross-sectional study design, data was collected through structured questionnaires and interviews with parents, caregivers, and healthcare professionals. The findings reveal that limited access to healthcare facilities, negative perceptions of vaccines, inadequate awareness, financial constraints, and religious or cultural beliefs significantly contribute to immunization dropout rates. Additionally, logistical challenges such as vaccine shortages and weak health infrastructure further hinder immunization efforts.

The study emphasizes the need for increased public awareness campaigns, improved healthcare accessibility, and stronger community engagement to enhance immunization coverage. Recommendations include strengthening routine immunization services, addressing misconceptions through targeted education, and improving policy interventions to ensure full immunization compliance. These findings provide valuable insights for policymakers, healthcare providers, and organizations working to improve childhood immunization coverage in Somalia.
Reversible Graphene decoupling by NaCl photo-dissociation
Creators: name: Palacio, I.
name: Aballe, L.
name: Foerster, M.
name: de Oteyza, D. G.
name: García-Hernández, M.
name: Martín-Gago, J. A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We describe the reversible intercalation of Na under graphene on Ir(111) by photo-dissociation of a previously adsorbed NaCl overlayer. After room temperature evaporation, NaCl adsorbs on top of graphene forming a bilayer. With a combination of electron diffraction and photoemission techniques we demonstrate that the NaCl overlayer dissociates upon a short exposure to an X-ray beam. As a result, chlorine desorbs while sodium intercalates under the graphene, inducing an electronic decoupling from the underlying metal. Low energy electron diffraction shows the disappearance of the moiré pattern when Na intercalates between graphene and iridium. Analysis of the Na 2p core-level by X-ray photoelectron spectroscopy shows a chemical change from NaCl to metallic buried Na at the graphene/Ir interface. The intercalation-decoupling process leads to a n-doped graphene due to the charge transfer from the Na, as revealed by constant energy angle resolved X-ray photoemission maps. Moreover, the process is reversible by a mild annealing of the samples without damaging the graphene.
1-1.4 Micron Spectral Atlas of Stars
Creators: name: Malkan, M. A.
name: Hicks, E. K.
name: Teplitz, H. I.
name: McLean, I. M.
name: Sugai, H.
name: Guichard, J.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a catalog of J-band (1.08 um to 1.35 um) stellar spectra at low resolution (R ~ 400). The targets consist of 105 stars ranging in spectral type from O9.5 to M7 and luminosity classes I through V. The relatively featureless spectra of hot stars, earlier than A4, can be used to remove the atmospheric features which dominate ground-based J-band spectroscopy. We measure equivalent widths for three absorption lines and nine blended features which we identify in the spectra. Using detailed comparison with higher resolution spectra, we demonstrate that low resolution data can be used for stellar classification, since several features depend on the effective temperature and gravity. For example The CN index (1.096 - 1.104 um) decreases with temperature, but the strength of a blended feature at 1.28 um (consisting of primarily P beta) increases. The slope of a star's spectrum can also be used to estimate its effective temperature. The luminosity class of a star correlates with the ratio of the Mg I (1.1831 um) line to a blend of several species at 1.16 um. Using these indicators, a star can be classified to within several subclasses. Fifteen stars with particularly high and low metal abundances are included in the catalog and some spectral dependence on metal abundance is also found.
description: 35 pages, 10 figures (3a-e are in gif format. For complete high resolution figures, go to http://www.astro.ucla.edu/~malkan/newjspec/) ; Accepted for published in ApJS; For associated spectra files, see http://www.astro.ucla.edu/~malkan/newjspec/
Exploration of Local Sea Level Rise Planning Public Perceptions
Creators: name: Carpenter, Adam
Publisher: name: figshare
Year: 2019
Subjects: subject: 120504 Land Use and Environmental Planning
subject: FOS: Social and economic geography
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 50205 Environmental Management
subject: Environmental Science

description: Sea level rise (SLR) is a potentially destructive phenomenon to coastal communities, despite uncertainties surrounding its extent, timing, and impacts. Forces driving SLR include climate change and geologic factors, globally and locally. Information available to communities preparing for SLR will likely never be perfect, given the difficulty of planning through uncertain global projections and assessing local conditions. Communities will need to develop SLR plans despite uncertainties, balancing factors such as determining the scope of a plan, assessing funding options, and identifying conflict resolution methods. This study describes a survey assessing the range of public preferences on these three planning factors. Key findings include that public engagement may be effective for overcoming local conflict, that too much focus on government intervention could be divisive, and that there are a wide variety of palatable methods to fund planning and implementation of those plans. This research informs local planning to reduce SLR risks.
Cohomogeneity-one G2-structures
Creators: name: Cleyton, Richard
name: Swann, Andrew
Publisher: name: arXiv
Year: 2001
Subjects: subject: Differential Geometry (math.DG)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 53C25 (Primary) 57M50, 57S15 (Secondary)

description: G2-manifolds with a cohomogeneity-one action of a compact Lie group G are studied. For G simple, all solutions with holonomy G2 and weak holonomy G2 are classified. The holonomy G2 solutions are necessarily Ricci-flat and there is a one-parameter family with SU(3)-symmetry. The weak holonomy G2 solutions are Einstein of positive scalar curvature and are uniquely determined by the simple symmetry group. During the proof the equations for G2-symplectic and G2-cosymplectic structures are studied and the topological types of the manifolds admitting such structures are determined. New examples of compact G2-cosymplectic manifolds and complete G2-symplectic structures are found.
description: 23 pages
Unifying Thermodynamic Uncertainty Relations
Creators: name: Falasco, Gianmaria
name: Esposito, Massimiliano
name: Delvenne, Jean-Charles
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We introduce a new technique to bound the fluctuations exhibited by a physical system, based on the Euclidean geometry of the space of observables. Through a simple unifying argument, we derive a sweeping generalization of so-called Thermodynamic Uncertainty Relations (TURs). We not only strengthen the bounds but extend their realm of applicability and in many cases prove their optimality, without resorting to large deviation theory or information-theoretic techniques. In particular, we find the best TUR based on entropy production alone and also derive a novel bound for stationary Markov processes, which surpasses previous known bounds. Our results derive from the non-invariance of the system under a symmetry which can be other than time reversal and thus open a wide new spectrum of applications.
description: 5 pages and SI
Inferring Initial Spin Periods for Neutron Stars in Composite Remnant
Creators: name: van der Swaluw, Eric
name: Wu, Yanqin
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We propose a method to infer the initial spin period of pulsars residing in composite supernova remnants. Such a remnant consists of both a plerionic and a shell type component, corresponding respectively to the pulsar wind nebula driven by the spindown luminosity of the central pulsar, and the blastwave bounding the supernova remnant. Theoretical investigations including hydrodynamical simulations have shown that at late times (~ 1,000 - 10,000 years), a simple scaling law connects the radius of the supernova shell to the radius of the plerion. The energy content of the plerion and the total mechanical energy of the supernova remnant enter into this scaling law. One can use this scaling law to estimate the initial spin period of pulsars residing in composite remnants. We discuss potential pitfalls of this method, including the effect of a small remnant age and of strong radiative losses in the plerion.
description: 4 pages, 2 figures, accepted by ApJL
An Analytical Approach to the Spin-Distribution of Dark Halos
Creators: name: Chiueh, Tzihong
name: Lee, Jounghun
name: Lin, Lihwai
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We derive the distribution of the dimensionless specific angular momentum of dark matter halos, $P(j)$, in the framework of the standard tidal torque theory, and explain the characteristic shape of $P(j)$ commonly observed in N-body simulations. A scalar quantity (shear scalar), $r$, is introduced for measuring the effective strength of the tidal torque force acting upon the halo from the surrounding matter. It is found that the ubiquitous and broad shape of $P(j)$ can mostly be attributed to the unique property of the shear scalar $r$, and also that $P(j)$ is insensitve to the underlying collapse dynamics. Our result demonstrates that although the shape of $P(j)$ is ubiquitous and close to log-normal, the distribution is not exactly log-normal but decays exponentially at the high angular momentum end, and drops slowly as a power-law with an index 2 at the low angular momentum end.
description: 14 pages including two figures, submitted to ApJ Lett
Coherent States from Combinatorial Sequences
Creators: name: Penson, Karol A.
name: Solomon, Allan I
Publisher: name: arXiv
Year: 2001
Subjects: subject: Quantum Physics (quant-ph)
subject: Combinatorics (math.CO)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We construct coherent states using sequences of combinatorial numbers such as various binomial and trinomial numbers, and Bell and Catalan numbers. We show that these states satisfy the condition of the resolution of unity in a natural way. In each case the positive weight functions are given as solutions of associated Stieltjes or Hausdorff moment problems, where the moments are the combinatorial numbers.
description: 4 pages, Latex; Conference 'Quantum Theory and Symmetries 2', Krakow, Poland, July 2001
A SYSTEMATIC REVIEW OF EVIDENCE-BASED PRACTICES AND RESOURCES FOR INCREASING SCHOOL ATTENDANCE
Creators: name: Nzuma, Redempter
Publisher: name: Washington State University
Year: 2024
Subjects: Chronic Absenteeism
Evidence-Based
High School/Middle School
Interventions/Programs
School Attendance
Truancy

description: Regular school attendance is crucial for academic success and students' overall well-being. However, school absenteeism remains a United States nationwide challenge, with a significant number of students missing several school days each year. School absenteeism, with its deep and far-reaching consequences on students and society, in terms of economic, social, and health impacts, continues to captivate the attention of scholars and education stakeholders in a bid to understand the underlying factors and develop interventions that may keep students on track for school completion and other positive outcomes. This systematic review identifies and evaluates research-based evidence to increase school attendance. A total of 41 studies were reviewed and synthesized. The results show that there exist various interventions that may improve school attendance. Strongest evidence was found for parental involvement, mentoring, and a combination of multiple interventions. Implications for practice include strategies for expending resources, as it is possible to have cost-efficient, effective programs.
Lessons from Oz: Design Guidelines for Automotive Conversational User Interfaces
Creators: name: Large, David R.
name: Burnett, Gary
name: Clark, Leigh
Publisher: name: arXiv
Year: 2019
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: This paper draws from literature and our experience of conducting Wizard-of-Oz (WoZ) studies using natural language, conversational user interfaces (CUIs) in the automotive domain. These studies have revealed positive effects of using in-vehicle CUIs on issues such as: cognitive demand/workload, passive task-related fatigue, trust, acceptance and environment engagement. A nascent set of human-centred design guidelines that have emerged is presented. These are based on the analysis of users' behaviour and the positive benefits observed, and aim to make interactions with an in-vehicle agent interlocutor safe, effective, engaging and enjoyable, while confirming with users' expectations. The guidelines can be used to inform the design of future in-vehicle CUIs or applied experimentally using WoZ methodology, and will be evaluated and refined in ongoing work.
description: Accepted to the 11th International ACM Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI '19)
Handwriting Biometrics: Applications and Future Trends in e-Security and e-Health
Creators: name: Faundez-Zanuy, Marcos
name: Fierrez, Julian
name: Ferrer, Miguel A.
name: Diaz, Moises
name: Tolosana, Ruben
name: Plamondon, Réjean
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Background- This paper summarizes the state-of-the-art and applications based on online handwritting signals with special emphasis on e-security and e-health fields. Methods- In particular, we focus on the main achievements and challenges that should be addressed by the scientific community, providing a guide document for future research. Conclusions- Among all the points discussed in this article, we remark the importance of considering security, health, and metadata from a joint perspective. This is especially critical due to the double use possibilities of these behavioral signals.
description: 24 pages
Detection and measurement of planetary systems with GAIA
Creators: name: Sozzetti, A.
name: Casertano, S.
name: Lattanzi, M. G.
name: Spagna, A.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We use detailed numerical simulations and the $\upsilon$ Andromedae, planetary system as a template to evaluate the capability of the ESA Cornerstone Mission GAIA in detecting and measuring multiple planets around solar-type stars in the neighborhood of the Solar System. For the outer two planets of the $\upsilon$ Andromedae, system, GAIA high-precision global astrometric measurements would provide estimates of the full set of orbital elements and masses accurate to better than 1--10%, and would be capable of addressing the coplanarity issue by determining the true geometry of the system with uncertainties of order of a few degrees. Finally, we discuss the generalization to a variety of configurations of potential planetary systems in the solar neighborhood for which GAIA could provide accurate measurements of unique value for the science of extra-solar planets.
description: 4 pages, 2 pictures, accepted for publication in A&A Letters
Star Formation Rate from Dust Infrared Emission
Creators: name: Inoue, Akio K.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We examine what types of galaxies the conversion formula from dust infrared (IR) luminosity into the star formation rate (SFR) derived by Kennicutt (1998) is applicable to. The ratio of the observed IR luminosity, $L_{\rm IR}$, to the intrinsic bolometric luminosity of the newly ($\la$ 10 Myr) formed stars, $L_{\rm SF}$, of a galaxy can be determined by a mean dust opacity in the interstellar medium and the activity of the current star formation. We find that these parameters area being $0.5 \le L_{\rm IR}/L_{\rm SF} \le 2.0$ is very large, and many nearby normal and active star-forming galaxies really fall in this area. It results from offsetting two effects of a small dust opacity and a large cirrus contribution of normal galaxies relative to starburst galaxies on the conversion of the stellar emission into the dust IR emission. In conclusion, the SFR determined from the IR luminosity under the assumption of $L_{\rm IR}=L_{\rm SF}$ like Kennicutt (1998) is reliable within a factor of 2 for all galaxies except for dust rich but quiescent galaxies and extremely dust poor galaxies.
description: Accepted by ApJL: 6 pages (emulateapj5), 2 figures (one is an extra figure not appeared in ApJL)
Reshetikhin-Turaev invariants of Seifert 3-manifolds and a rational surgery formula
Creators: name: Hansen, Soren Kold
Publisher: name: arXiv
Year: 2001
Subjects: subject: Geometric Topology (math.GT)
subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics
subject: 57M27, 17B37, 18D10, 57M25

description: We calculate the RT-invariants of all oriented Seifert manifolds directly from surgery presentations. We work in the general framework of an arbitrary modular category as in [V. G. Turaev, Quantum invariants of knots and 3--manifolds, de Gruyter Stud. Math. 18, Walter de Gruyter (1994)], and the invariants are expressed in terms of the S- and T-matrices of the modular category. In another direction we derive a rational surgery formula, which states how the RT-invariants behave under rational surgery along framed links in arbitrary closed oriented 3-manifolds with embedded colored ribbon graphs. The surgery formula is used to give another derivation of the RT-invariants of Seifert manifolds with orientable base.
description: Published by Algebraic and Geometric Topology at http://www.maths.warwick.ac.uk/agt/AGTVol1/agt-1-32.abs.html
A few comments on a result of A. Novikov and Girsanov's theorem
Creators: name: Krylov, N. V.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60G44, 60H10

description: We give a simple proof that for a continuous local martingale $M_{t}$ $$ \liminf_{\varepsilon\downarrow0}\varepsilon \log Ee^{(1-\varepsilon) \langle M\rangle_{\infty}/2}
description: 4 pages, to appear in Stochastics who provided me with the doi number
Neutrino-13C Cross Sections at Supernova Neutrino Energies
Creators: name: Suzuki, T.
name: Balantekin, A. B.
name: Kajino, T.
name: Chiba, S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We present neutrino capture cross sections on 13C at supernova neutrino energies, up to 50 MeV. For both charged-current and neutral-current reactions partial cross sections are calculated using statistical Hauser-Feschbach method. Coherent elastic neutrino scattering cross section for a 13C target is also provided.
description: 11 pages of Latex
The constant-velocity highly collimated outflows of the planetary nebula He 2-90
Creators: name: Guerrero, Martin A.
name: Miranda, Luis F.
name: Chu, You-Hua
name: Rodriguez, Monica
name: Williams, Rosa M.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present high-dispersion echelle spectroscopic observations and a narrow-band [N II] image of the remarkable jet-like features of He 2-90. They are detected in the echelle spectra in the H-alpha and [N II] lines but not in other nebular lines. The [N II]/H-alpha ratio is uniformly high, ~1. The observed kinematics reveals bipolar collimated outflows in the jet-like features and shows that the southeast (northwest) component expands towards (away from) the observer at a remarkably constant line-of-sight velocity, 26.0+-0.5 km/s. The observed expansion velocity and the opening angle of the jet-like features are used to estimate an inclination angle of ~5 degrees with respect to the sky plane and a space expansion velocity of ~290 km/s. The spectrum of the bright central nebula reveals a profusion of Fe lines and extended wings of the H-alpha line, similar to those seen in symbiotic stars and some young planetary nebulae that are presumed to host a mass-exchanging binary system. If this is the case for He 2-90, the constant velocity and direction of the jets require a very stable dynamic system against precession and warping.
description: 8 pages (emulate ApJ), 5 figure, 1 table