cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: A case study of social skills development in bilingual preschool-age children
Creators: name: Sohrabi, Tayebeh
Publisher: name: Memorial University of Newfoundland
Year: 2020

description: This study presents a case study of preschool-age dual-language learners’ social skills development. The research focuses on several widely recognized dimensions of children’s social development: communication, cooperation, emotional management, and problematic behaviours. The case study utilized several methods for data collection, including non-participant observation and semi-structured interviews. Five dual-language preschool-age children participated in the qualitative data collection, and two early childhood educators participated in the qualitative data collection through interviews and classroom observations. The results indicate that the main reason for dual-language children’s exclusion is their language limitations rather than their appearance or other factors that would contribute to them being considered an outsider. Also, the main barrier in the social skills development of dual-language children seems to be negative feelings such as frustration and hesitation that this group of children experience in relationships with others, which appear to inhibit them from interacting with others. The role of early childhood educators, peers and parents in the social skills development of this group of children is significant.
Effects of log storage on physical habitat, water quality, benthic invertebrates, and metal contaminants in the Fraser River estuary
Creators: name: Kussin-Bordo, Noah S.
Publisher: name: University of British Columbia
Year: 2022

description: To facilitate the movement and processing of timber in some regions of the Pacific Northwest, bundles of logs are tied together to form large rectangular rafts (also known as booms) which are transported and stored in aquatic environments. In the lower Fraser River, some reaches have > 50% of their shoreline with adjacent log booms, yet our understanding of the effects of log storage on aquatic habitats and biota is very limited. The objectives of my thesis were to examine key environmental characteristics that may be affected by log storage activities in the lower Fraser River and estuary. I sampled water and sediment at control, current log storage sites, and former log storage sites and investigated: metal contaminant concentrations, water quality (pH, temperature, turbidity, total dissolved solids, and oxygen concentrations and saturation), invertebrate diversity, biomass and abundance, vegetation coverage, and sediment compaction. I found that at most sites with current log storage, they had compacted sediments and reduced vegetation coverage, effects that are likely caused by logs ‘grounding’ onto the benthic environment due to tidally influenced changes in water level. I found that bottom water pH was lower, and surface temperatures cooler, at current log storage sites, but found no other differences in water quality or in metal contaminants, among log storage categories. Median abundance of total benthic invertebrates was 4.26 times lower at current log storage sites relative to control sites, potentially attributed to log grounding and poorer water quality in their benthic habitats. Diptera were most abundant and Haplotaxida least abundant at control sites. Unfortunately, lack of reliable data on when logs were moved onto and off of sites made it impossible to confirm the ‘time since fallow’ for former log storage sites. Thus, interpreting results from former sites was difficult, and assessing the potential ‘recovery’ from log storage was not possible. While the presence of log booms on nearshore environments may have some effects on water quality, the largest effects seem to come from logs grounding on the substrate which changes the physical habitat. The fact that log booms are coming into contact with, or resting on the substrate, is in direct contradiction with known best management practices for log storage which state that at no time should logs and substrate come into contact.
New R Coronae Borealis stars discovered in OGLE-III Galactic Bulge fields from their mid- and near- infrared properties
Creators: name: Tisserand, P.
name: Wyrzykowski, L.
name: Wood, P. R.
name: Udalski, A.
name: Szymański, M. K.
name: Kubiak, M.
name: Pietrzyński, G.
name: Soszyński, I.
name: Szewczyk, O.
name: Ulaczyk, K.
name: Poleski, R.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: An R Coronae Borealis (RCB) star is a rare type of supergiant star that is increasingly thought to be the evolved merger product of two white dwarfs. Recently, many of them have been found distributed in a thin disk structure embedded inside the Galactic Bulge. This unexpected high density can give us more insight into the nature and age of RCB stars. We applied and tested successfully a new technique to find RCB stars based on the particular infrared emission. We demonstrated that RCB stars can now be found without the need of a light curve analysis, and therefore outside optically monitored fields. The selection of RCB candidates was based on their near-infrared excess and on particular mid-infrared emission of RCB shells, using photometric data from the 2MASS and Spitzer/GLIMPSE surveys. The OGLE light curves of all RCB candidates were then inspected visually and the ones presenting large and fast declines were followed-up spectroscopically . We discovered two new R Coronae Borealis stars, but also propose four new candidates. We stress that all of the 7 known RCB stars located in both Spitzer/GLIMPSE and OGLE-III fields were re-discovered, which indicates the high efficiency of our analysis. The proposed new technique to find RCB stars has been successful. It can now be extented to larger area, specially where the instellar extinction is too high to have been monitored by microlensing surveys, i.e the inner part of the Galactic Bulge.
description: 10 pages, 7 figures, Accepted for publication in A&A . V2: Published version - Spectra figure replaced to eliminate previous artefacts due to the reduction process
title: The potential impacts of a high penetration of electric vehicles on the Newfoundland Transmission System
Creators: name: Carter, Matthew Paul
Publisher: name: Memorial University of Newfoundland
Year: 2020

description: The deployment of electric vehicles is expected to drastically increase throughout the developed world for the foreseeable future. This trend is attributed to the growing acceptance of electric vehicles driven by the emergence of numerous environmental, economic and technical incentives promoting their adoption. This revolutionary change will likely have a monumental impact on most power systems. A large scaled uptake of electric vehicles could also prove beneficial as they have the capability to instantaneously supply active and reactive power back to the grid using Vehicle-2-Grid technology.
 This thesis will focus on the Newfoundland Transmission System and investigate the positive and negative impacts associated with a high penetration of electric vehicles. Load flow and power system stability simulations were performed using PSS®E to support this investigation by quantifying the effect of varying levels of electric vehicle penetration in the province. The results of the load flow analysis concluded that, in the absence of any demand-side management strategies, substantial system capacity upgrades would likely be required to avoid jeopardizing system reliability.
 The power system stability analysis revealed that a large amount of electric vehicles with Vehicle-2-Grid capability could collectively be utilized to minimize or avoid under frequency load shedding following the sudden loss of the Labrador Island-Link HV dc bipole. A strong correlation was discovered between the net total of HVdc power imports/exports (Net DC) and the total number of connected electric vehicles that would be required to avoid under frequency load shedding on the Island Interconnected System.
 The investigation has ultimately demonstrated that without the necessary power system integration or demand-side management strategies, a high penetration of electric vehicles in Newfoundland could lead to needless capital expenditures. Newfoundland and Labrador Hydro would also forgo the benefits of improved frequency response provided through Vehicle-to-Grid technology.
CoIr-carbon complexes with magnetic anisotropies larger than 0.2 eV: a density-functional-theory prediction
Creators: name: Xiao, Ruijuan
name: Kuz'min, Michael D.
name: Koepernik, Klaus
name: Richter, Manuel
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We report a density-functional study of the heteronuclear CoIr dimer adsorbed on benzene or graphene. In either case CoIr prefers an upright position above the center of a carbon hexagon with the Co atom next to it. The Ir atom stays away from the carbon ring and thus preserves its free-atom-like properties. This results in a very large magnetic anisotropy of more than 0.2 eV per dimer. So high a value should suffice for long-term data storage at the temperature of liquid nitrogen.
title: Digitalization and Inflation: A Review of the Literature
Creators: name: Charbonneau, Karyne B.
name: Evans, Alexa
name: Sarker, Subrata
name: suchanek, lena
Publisher: name: Bank of Canada
Year: 2017

description: In the past few years, many have postulated that the possible disinflationary effects of digitalization could explain the subdued inflation in advanced economies. In this note, we review the evidence found in the literature. We look at three main channels. First, we find that changes in the prices of information and communication technology-related goods and services included in the CPI have had a negligible effect on inflation in Canada. Second, we find that, due to the small share of e-commerce in Canada and the remarkably similar behaviour of online and offline prices, the “Amazon effect” has only had a small disinflationary impact to date. As e-commerce grows, however, downward pressure on inflation may amplify in the future through increased competition, but digitalization may also increase market concentration. Finally, although cost-efficient technologies should lead to increased productivity, which would put downward pressure on inflation, this effect has yet to appear in the statistics. Overall, we find it unlikely that digitalization has so far had a significant effect on inflation in Canada.
description: Ces dernières années, de nombreux commentateurs ont avancé que les éventuels effets désinflationnistes de la numérisation pourraient expliquer l’inflation modérée dans les économies avancées. Nous analysons les conclusions d’études sur le sujet; nous examinons trois canaux principaux par lesquels la numérisation pourrait influer sur l’inflation. Première constatation : la variation des prix sur le marché des biens et services en technologies de l’information et de la communication qui entrent dans le calcul de l’indice des prix à la consommation a eu une incidence négligeable sur l’inflation au Canada. Deuxième constatation : compte tenu de la petite part qu’occupe le commerce électronique au Canada et du comportement très semblable des prix en ligne et aux points de vente, le « syndrome Amazon » n’a eu pour l’instant qu’un faible effet désinflationniste. Au fil de l’expansion du commerce électronique, la pression à la baisse sur l’inflation pourrait s’accentuer en raison de l’intensification de la concurrence, mais il est aussi possible que la numérisation favorise la concentration du marché. Dernière constatation : même si les technologies favorisant l’efficacité opérationnelle devraient augmenter la productivité, et donc exercer une pression à la baisse sur l’inflation, les données à ce jour ne vont pas encore dans ce sens. Dans l’ensemble, nous estimons peu probable que la numérisation ait eu, jusqu’à présent, une forte incidence sur l’inflation au Canada.
Diffractive deep inelastic scattering from multiple soft gluon exchange in QCD
Creators: name: Pasechnik, Roman
name: Enberg, Rikard
name: Ingelman, Gunnar
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Diffractive hard scattering is interpreted as the effect of soft gluon exchanges between the emerging energetic quarks and the nucleon's color field, resulting in an overall color singlet exchange. Summing multiple gluon exchanges to all orders leads to exponentiation and an amplitude in analytic form. Numerical evaluation reproduces the precise HERA data and gives new insights on the density of gluons in the proton.
description: 6 pages, 2 figures. Minor change to conventions in Eqs. (4-6), some discussion clarified. Version to appear in PLB
title: 26-ÑÑÐ°Ð¶Ð½Ð¾Ðµ Ð·Ð´Ð°Ð½Ð¸Ðµ Ð±Ð¸Ð·Ð½ÐµÑ-ÑÐµÐ½ÑÑÐ° Ð² ÑÐµÐ¹ÑÐ¼Ð¸ÑÐµÑÐºÐ¾Ð¼ ÑÐ°Ð¹Ð¾Ð½Ðµ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: 26-storey business center building in a seismic area
Creators: name: ÐÑÐ´ÑÑÐ²ÑÐµÐ²Ð°, ÐÐ½Ð°ÑÑÐ°ÑÐ¸Ñ
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: 2023
Subjects: ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð¾
ÑÐ½Ð¸ÐºÐ°Ð»ÑÐ½Ð¾Ðµ Ð·Ð´Ð°Ð½Ð¸Ðµ
Ð²ÑÑÐ¾ÑÐ½Ð¾Ðµ Ð·Ð´Ð°Ð½Ð¸Ðµ
Ð±Ð¸Ð·Ð½ÐµÑ-ÑÐµÐ½ÑÑ
ÑÐµÐ¹ÑÐ¼Ð¸ÑÐµÑÐºÐ¾Ðµ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸Ðµ
ÑÐµÐ¹ÑÐ¼Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ°Ð¹Ð¾Ð½
Ð°ÑÑÑÐ¸Ð³ÐµÑÐ½ÑÐµ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸
construction
unique building
high-rise building
business center
seismic action
seismic zone
outrigger structural system

description: Ð¦ÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÑ: ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°ÑÑ ÑÐ°Ð·Ð´ÐµÐ»Ñ Ð¿ÑÐ¾ÐµÐºÑÐ½Ð¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸ Ð½Ð° ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð¾ Ð±Ð¸Ð·Ð½ÐµÑ-ÑÐµÐ½ÑÑÐ° Ð² ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²Ð¸Ð¸ Ñ ÐÐ¾ÑÑÐ°Ð½Ð¾Ð²Ð»ÐµÐ½Ð¸ÐµÐ¼ ÐÑÐ°Ð²Ð¸ÑÐµÐ»ÑÑÑÐ²Ð° Ð Ð¤ Ð¾Ñ 16.02.2008 N 87 (ÑÐµÐ´. Ð¾Ñ 06.05.2023) Â«Ð ÑÐ¾ÑÑÐ°Ð²Ðµ ÑÐ°Ð·Ð´ÐµÐ»Ð¾Ð² Ð¿ÑÐ¾ÐµÐºÑÐ½Ð¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸ Ð¸ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸ÑÑ Ðº Ð¸Ñ ÑÐ¾Ð´ÐµÑÐ¶Ð°Ð½Ð¸ÑÂ» Ð¸ Ð°ÐºÑÑÐ°Ð»ÑÐ½ÑÐ¼Ð¸ Ð½Ð¾ÑÐ¼Ð°ÑÐ¸Ð²Ð½ÑÐ¼Ð¸ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°Ð¼Ð¸. Ð ÑÐ°Ð¼ÐºÐ°Ñ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°ÑÐµÐ»ÑÑÐºÐ¾Ð¹ ÑÐ°ÑÑÐ¸ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð°ÑÑÑÐ¸Ð³ÐµÑÐ½ÑÑ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¹ Ð¿ÑÐ¸ ÑÐµÐ¹ÑÐ¼Ð¸ÑÐµÑÐºÐ¾Ð¼ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸Ð¸. Ð ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ ÑÐ°Ð·Ð´ÐµÐ»Ñ Ð¿ÑÐ¾ÐµÐºÑÐ½Ð¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸ Ð´Ð»Ñ 26-ÑÑÐ°Ð¶Ð½Ð¾Ð³Ð¾ Ð·Ð´Ð°Ð½Ð¸Ñ Ð±Ð¸Ð·Ð½ÐµÑ-ÑÐµÐ½ÑÑÐ°. ÐÐ¾ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ°Ð¼ ÑÐ°ÑÑÐµÑÐ¾Ð² Ð² Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°ÑÐµÐ»ÑÑÐºÐ¾Ð¹ ÑÐ°ÑÑÐ¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ Ð°ÑÑÑÐ¸Ð³ÐµÑÐ½ÑÑ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¹ Ð¿ÑÐ¸ ÑÐµÐ¹ÑÐ¼Ð¸ÑÐµÑÐºÐ¾Ð¼ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸Ð¸ Ð¿ÑÐ¸Ð½ÑÑÐ¾ ÑÑÑÐµÐºÑÐ¸Ð²Ð½ÑÐ¼.
description: The goal of the work is to develop sections of project documentation for the construction of a business center in accordance with the Decree of the Government of the Russian Federation dated 16.02.2008 N 87 (ed. from 06.05.2023) "On the composition of sections of project documentation and requirements for their content" and relevant regulatory documents. As part of the research part, an analysis of the effectiveness of the use of outrigger structures under seismic impact was carried out. As a result of the qualification work, sections of the project documentation for the 26-storey building of the business center were developed. According to the results of calculations in the research part, the use of outrigger structures under seismic influence is considered effective.
Tree polymers in the infinite volume limit at critical strong disorder
Creators: name: Johnson, Torrey
name: Waymire, Edward C
Publisher: name: arXiv
Year: 2010
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: The a.s. existence of a polymer probability in the infinite volume limit is readily obtained under general conditions of weak disorder from standard theory on multiplicative cascades or branching random walk. However, speculations in the case of strong disorder have been mixed. In this note existence of an infinite volume probability is established at critical strong disorder for which one has convergence in probability. Some calculations in support of a specific formula for the a.s. asymptotic variance of the polymer path under strong disorder are also provided.
description: Final version
DMP Correlation between births in Linz (2006 - 2016) and (healthy) life expectance of Europeans at birth by sex
Creators: name: , Drechsel
Publisher: name: Zenodo
Year: 2019
Subjects: DMP
Births
Linz
Austria
Europe
life expectancy
healthy life expectancy

description: DMP for Project DOI 10.5281/zenodo.2648581.
Analysis of the Arabidopsis synaptotagmin gene expression and protein accumulation during stress using luciferase-based markers
Creators: name: Strelau, Matthew
Publisher: name: University of British Columbia
Year: 2022

description: The responses of plants to adverse environmental conditions require the adequate sensing of stress signals from the environment and their integration into coordinated cellular responses. These coordinated responses in plants often involve information exchanges between intracellular organelles that rely on vesicular trafficking and/or non-vesicular transport at membrane contact sites. This thesis focuses on the plant endoplasmic reticulum (ER) plasma membrane (PM) contact sites (EPCS), which are evolutionarily conserved nanostructures that facilitate exchanges of information between the cortical ER and the PM. The close association between membranes at EPCS is facilitated by physical tethering often mediated by lipid-transfer proteins. Members of one of these families, known as the plant synaptotagmins, are important elements conferring tolerance to biotic and abiotic stresses in Arabidopsis. Still, little is known about the regulatory mechanisms and environmental triggers controlling the expression and activity of the different synaptotagmins in plants. In this thesis, I use luciferase-based markers to perform systematic analyses of the SYNAPTOTAGMIN1 (SYT1) promoter activity and protein accumulation in Arabidopsis. My results show that SYT1 expression increases in response to salt-induced ionic and osmotic stresses, particularly when the stress generator contains Cl-. Remarkably, the amount of SYT1 protein does not change in response to salt stress indicating that SYT1 transcriptional and translational levels are uncoupled. By measuring the stability of SYT1 in response to NaCl, I determined that salt stress has an increased effect on the stability of the SYT1 protein and that its degradation is partially controlled by the 26S ubiquitin proteasome. I conducted an in silico analyses of gene expression for different members of the Arabidopsis synaptotagmin family and validated the results using SYT promoter - GUS fusions. My results show that while some Arabidopsis SYTs are ubiquitous, some others are expressed in specific tissues, and that their expression is environmentally and developmentally controlled. My results advance our understanding of the expression and regulation of individual SYTs in Arabidopsis and will facilitate the study of their specific contribution/s to the overall stress tolerance in plants.
Associated central exclusive production of charged Higgs bosons
Creators: name: Enberg, Rikard
name: Pasechnik, Roman
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose central exclusive production of a charged Higgs boson in association with a W boson as a possible signature of certain types of extended Higgs sectors. We calculate the cross section and find that the rate at the LHC could be large enough to allow observation in some models with two Higgs doublets, where the charged Higgs and at least one of the neutral scalars can be light enough. We use the two-Higgs doublet model as a prototype and consider two distinct regions of parameter space, but we also briefly discuss the prospects for the next-to-minimal supersymmetric standard model, where the charged Higgs may very well be quite light.
description: 9 pages, 5 figures. Minor changes, references added. Version to appear in PRD
title: Alternative Scenario to the October 2017 MPR Base-Case Projection: Higher Potential Growth
Creators: name: Yang, Jing
name: Tomlin, Ben
name: Gervais, Olivier
Publisher: name: Bank of Canada
Year: 2017

description: We construct an alternative scenario in which trend labour input and business investment are stronger than that expected in the Bank of Canada’s base-case projection in the October 2017 Monetary Policy Report. We find that while the size and timing of these effects are highly uncertain, the level of potential and real output could be almost 1 per cent higher than expected by the end of 2020. The resulting effect on the output gap and inflation is small and therefore does not affect the stance of monetary policy.

description: Nous construisons un scénario de rechange dans lequel le facteur travail tendanciel et les investissements des entreprises sont supérieurs à ce qui est prévu dans le scénario de référence du Rapport sur la politique monétaire de la Banque du Canada. Nos résultats montrent que, malgré l’importante incertitude entourant l’ampleur des effets et le moment où ils se feront sentir, le niveau de la production potentielle et de la production réelle pourrait être de près de 1 % plus élevé qu’escompté d’ici la fin de 2020. Les effets résultants sur l’écart de production et sur l’inflation sont petits et n’affectent donc pas l’orientation de la politique monétaire.
Mean platelet volume and platelet volume distribution width in canine parvoviral enteritis
Creators: name: Engelbrecht, Monique
name: McClure, Vanessa
name: Goddard, Amelia
Publisher: name: University of Pretoria
Year: 2022
Subjects: Veterinary medicine (excl. urology)

description: Background: Bacterial translocation from the damaged intestinal tract, reported in canine parvoviral (CPV) enteritis, is thought to be responsible for the systemic inflammatory response resulting from coliform septicaemia, which could ultimately progress to septic shock and death. Alterations in platelet indices, specifically mean platelet volume (MPV), is a consistent finding in critically ill people and dogs with and without sepsis. Increased MPV has been reported to be an indirect indicator of platelet activation and of bone marrow response in people and dogs with sepsis. Hypothesis: We hypothesised that the platelet indices, specifically MPV, Platelet volume distribution width (PVDW), and mean platelet mass (MPM) would be increased, whereas mean platelet component concentration (MPC) would be decreased in dogs infected with CPV compared to that of healthy controls and that these changes would correlate with the degree of inflammation. Animals: Forty-eight client-owned dogs infected with CPV enteritis and 18 healthy age-matched control dogs. Methods: Prospective, observational study conducted at the Onderstepoort Veterinary Academic Hospital, University of Pretoria, South Africa over an 11-month period. Blood and fresh faecal samples were collected once at presentation from dogs aged 6 weeks to 9 months that were diagnosed with CPV and admitted for treatment, and from apparently healthy dogs presenting for vaccination or routine hospital procedures. CPV infection was confirmed by identification of the virus with electron microscopy on the faecal samples. EDTA whole blood samples were analysed on an automated cell counter, ADVIA 2120, within 30-60 minutes from collection. Results: There was no significant difference for platelet count between the groups. The MPV for CPV infected dogs (median: 14.0; IQR: 12.2-15.1) was significantly higher compared to controls (11.3; IQR: 10.3-13.1, P=0.002). The PVDW for CPV infected dogs (66.9; IQR: 64.2-68.8) was significantly higher compared to controls (63.3; IQR: 60.2-65.1, P<0.001). Conclusions and clinical importance: These findings suggest that significant platelet activation is present in dogs with CPV enteritis which may play a role in the disease outcome, similar to people with sepsis. Further studies are required to investigate the prognosticating ability of MPV in dogs with CPV enteritis.
title: Complementing the Credit Risk Assessment of Financial Counterparties with Market-Based Indicators
Creators: name: Ouellet Leblanc, Guillaume
name: van Oordt, Maarten
Publisher: name: Bank of Canada
Year: 2017

description: The Bank’s internal credit risk assessment abilities are regularly enhanced. In this note, we present a recent innovation that extends the set of market-based indicators used in the credit risk assessment of financial counterparties. These indicators supplement existing fundamental quantitative and qualitative credit risk analysis by providing a timely reading of markets’ perceptions of the credit quality of financial counterparties.
description: La Banque améliore régulièrement son dispositif interne d’évaluation du risque de crédit. Dans cette note, nous présentons des indicateurs de marché novateurs qui élargissent l’éventail des outils servant à évaluer les contreparties financières. Ces indicateurs complètent l’analyse fondamentale quantitative et qualitative du risque de crédit, en permettant une lecture rapide de la perception des marchés quant à la qualité de crédit des contreparties financières.
A comparison of traditional and UAV-supplemented approaches for assessing salmonid habitat in mountain streams
Creators: name: MacDuff, Alexander Marcel
Publisher: name: University of British Columbia
Year: 2022

description: Assessments of instream fish habitat in North America have been dominated by the Instream Flow Incremental Methodology (IFIM) used in conjunction with hydraulic modelling programs, such as the Physical Habitat Simulation (PHABSIM). While this methodology has repeatedly been described as invaluable for managing instream habitat, it has received significant criticism due to the intensive data demands and the logistical challenges that often limit data collection. In the past decade, several studies have demonstrated a potential solution in the implementation of topographic surveys conducted with the use of Unmanned-Aerial-Vehicles (UAVs) to produce digital elevation models (DEMs) derived from aerial images using Structure-from-Motion (SfM) photogrammetric software. There remain significant concerns that this approach will not be applicable to mountainous streams. Therefore, this study aimed to evaluate the effectiveness of UAV-SfM surveys for supplementing an IFIM assessment for Upper Mission Creek in the Southern Interior of British Columbia. Through an extensive field campaign, a total of 30 transects were surveyed multiple times with different methods, including the standard surveying convention using an engineer’s level and stadia rod, recording depths on a wading rod while measuring discharge, an RTK-DGPS survey, and UAV flights. During the subsequent quality control exercises, variance in the UAV-SfM sourced DEM was found to be comparable to traditional surveying methods. Unexpectedly, transects derived from the photogrammetric DEM produced more accurate and precise hydraulic models for predicting mean flow velocities. Habitat modelling demonstrated that reductions in the number of transects incorporated into the model, mimicking surveys with logistical constraints, led to highly variable and uncertain final estimates of wetted usable habitat. In contrast, supplementation of photogrammetric transects into the model was observed to compensate for reductions in the number of traditional transects in the model, thereby stabilizing habitat availability estimates. Although mountainous streams are more challenging to survey, supplementation of UAV-SfM sourced topographic data into the IFIM offers significant improvements in accuracy, precision and scale while expediting assessments of instream habitat.
The evolution of Lyman-break galaxies in CDM
Creators: name: Lacey, C. G.
name: Baugh, C. M.
name: Frenk, C. S.
name: Benson, A. J.
name: .
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We make a detailed investigation of the properties of Lyman-break galaxies (LBGs) in the LambdaCDM model. We present predictions for two published variants of the GALFORM semi-analytical model: the Baugh et al. (2005) model, which has star formation at high redshifts dominated by merger-driven starbursts with a top-heavy IMF, and the Bower et al. (2006) model, which has AGN feedback and a standard Solar neighbourhood IMF throughout. We show predictions for the evolution of the rest-frame far-UV luminosity function in the redshift range z=3-20, and compare with the observed luminosity functions of LBGs at z=3-10. We find that the Baugh et al. model is in excellent agreement with these observations, while the Bower et al. model predicts too many high-luminosity LBGs. Dust extinction, which is predicted self-consistently based on galaxy gas contents, metallicities and sizes, is found to have a large effect on LBG luminosities. We compare predictions for the size evolution of LBGs at different luminosities with observational data for 2
description: 26 pages, 18 figures. Accepted for publication in MNRAS. Revised in response to referee, main changes are more detailed discussion of dust extinction in S2.2 & S3.2.3, with new Fig.6
D4.1 State of the Art Report
Creators: name: Heibach Jens
Publisher: name: Zenodo
Year: 2020
Subjects: ITN MIDA

description: Introduction This report tends to review the literature tackling religious authority and knowledge tradition in Islam. Given the broad and multidimensional nature of the topic, this report zooms into religious authority and leadership by looking at various religious leaders, figures and actors involved in the process of transmitting Islamic knowledge. These include all kind of religious leaders regardless of their status, position or role within the religious organizational landscape. They can be Ulama, prestigious scholars, jurists, Imams, preachers, prayers leaders, etc. In this report, we take the transmission of Islamic knowledge to be embedded within – though not exclusive to – such authority figures, as they are central to the production and dissemination of religious knowledge. They turn religious text into religious discourse. We look at three major schools of thought in Islam: the majority Sunni school, the Shia tradition that is the second-largest after Sunnism, and early Sufi thought that transcends sectarian divide. This report aims to demonstrate the similarities and points of departure within these modes of understanding and practicing Islam and how the academic world’s contemporary work on them. And it brings us closer to the blank spots in this body of literature. The co-writers have chosen to write on one tradition each, and narrow the literature reviewed specific to their individual research projects. This serves to situate their research and is pragmatically necessitated, as confines of discipline and space make it impossible to provide a complete review of contemporary literature on Islam, although we realize that this divide may not always play a decisive role in actual situations and cases.
Coherent control of diffuse light dynamics in an ultracold atomic gas
Creators: name: Gerasimov, L. V.
name: Sokolov, I. M.
name: Kupriyanov, D. V.
name: Olave, R. G.
name: Havey, M. D.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We show that coherent multiple light scattering, or diffuse light propagation, in a disordered atomic medium, prepared at ultra-low temperatures, can be be effectively delayed in the presence of a strong control field initiating a stimulated Raman process. On a relatively short time scale, when the atomic system can preserve its configuration and effects of atomic motion can be ignored, the scattered signal pulse, diffusely propagating via multiple coherent scattering through the medium, can be stored in the spin subsystem through its stimulated Raman-type conversion into spin coherence. We demonstrate how this mechanism, potentially interesting for developing quantum memories, would work for the example of a coherent light pulse propagating through an alkali-metal atomic vapor under typical conditions attainable in experiments with ultracold atoms.
description: To appear, Journal of the Optical Society of America B (2011)
title: Can the Canadian International Investment Position Stabilize a Slowing Economy?
Creators: name: Leboeuf, Maxime
name: Fan, Chen
Publisher: name: Bank of Canada
Year: 2017

description: In this note, we find that valuation effects can act as an important stabilizer, strengthening Canada’s net external wealth when its economic outlook worsens relative to that of other countries. This is particularly true when the Canadian dollar depreciates against the US dollar and the Canadian outlook worsens compared with that of the United States. Such was the case during the 2014–15 oil price shock, where valuation effects boosted Canada’s net international investment position (NIIP) by 30 per cent of GDP.
description: Dans la présente note, nous déterminons que les effets de valorisation peuvent agir comme un stabilisateur important en renforçant la richesse extérieure nette du Canada lorsque ses perspectives économiques s’assombrissent comparativement à celles d’autres pays. Cela est particulièrement vrai lorsque le dollar canadien se déprécie par rapport au dollar américain et que les perspectives de l’économie canadienne se détériorent par rapport à celles de l’économie américaine. C’est ce qui s’est produit pendant le choc des prix du pétrole de 2014-2015 : à ce moment, les effets de valorisation ont rehaussé la valeur de la position extérieure nette du Canada d’un montant équivalant à 30 % du PIB.
title: Development of a novel time-of-flight laser rangefinder for opto-mechatronic applications
Creators: name: Morgan, Michael
Publisher: name: Memorial University of Newfoundland
Year: 2020

description: A Laser rangefinder is an opto-electric device used to determine the distance between two objects. There are many applications for laser rangefinders in industries such as unmanned vehicles, defence sectors, scientific exploration, and outdoor sporting activities. In this work a novel time-of-flight laser rangefinder was designed to deliver range information while meeting size weight and power constraints. The laser rangefinder consists of three main systems, optical, electrical, and mechanical. The optical system consists of collimating transmitting optics and a focusing mirror for receiving optics. The electrical system is comprised of a pulsing circuit providing a narrow pulse with high peak current, a receiving circuit for identifying the return signal, and an FPGA controller for triggering the pulse and calculating distance. The mechanical system is made up of the housing of the laser rangefinder which ensures concentricity and spacing of the optical system.
N II 5668-5712, a New Class of Spectral Features in Eta Carinae
Creators: name: Mehner, Andrea
name: Davidson, Kris
name: Ferland, Gary J.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We report on the N II 5668-5712 emission and absorption lines in the spectrum of Eta Carinae. Spectral lines of the stellar wind regions can be classified into four physically distinct categories: 1) low-excitation emission such as H I and Fe II, 2) higher excitation He I features, 3) the N II lines discussed in this paper, and 4) He II emission. These categories have different combinations of radial velocity behavior, excitation processes, and dependences on the secondary star. The N II lines are the only known features that originate in "normal" undisturbed zones of the primary wind but depend primarily on the location of the hot secondary star. N II probably excludes some proposed models, such as those where He I lines originate in the secondary star's wind or in an accretion disk.
description: 4 figures, 1 table
Structural correlates of language processing in primary progressive aphasia
Creators: name: Chapman, Curtiss A.
name: Polyakova, Maryna
name: Mueller, Karsten
name: Weise, Christopher Michael
name: Faßbender, Klaus
name: Fliessbach, Klaus
name: Kornhuber, Johannes
name: Lauer, Martin
name: Anderl-Straub, Sarah
name: Ludolph, Albert C.
name: Prudlo, Johannes
name: Staiger, Anja
name: Synfozik, Matthis
name: Wiltfang, Jens
name: Riedl, Lina Maria Theresia
name: Diehl-Schmid, Janine
name: Otto, Markus
name: Danek, Adrian
name: Hartwigsen, Gesa
name: Schroeter, Matthias
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2023
Subjects: subject: 610

description: Understanding the relationships between brain structure and language behaviour in primary progressive aphasia provides crucial information about these diseases’ pathomechanisms. However, previous investigations have been limited from providing a statistically reliable view of broad language abilities by sample size, variant focus and task focus. In this study, the authors aimed to determine the relationship between brain structure and language behaviour in primary progressive aphasia, to determine the degree to which task-associated regions were atrophied across disease variants and to determine the degree to which task-related atrophy overlaps across disease variants. Participants were 118 primary progressive aphasia patients and 61 healthy, age-matched controls tested from 2011 to 2018 in the German Consortium for Frontotemporal Lobar Degeneration cohort. Diagnosis of primary progressive aphasia required progressive deterioration of mainly speech and language for ≥ 2 years, and variant was diagnosed by the criteria of Gorno-Tempini et al. (Classification of primary progressive aphasia and its variants. Neurology. 2011;76(11):1006-1014). Twenty-one participants not fulfilling a specific subtype were classified as mixed-variant and excluded. Language tasks of interest included the Boston naming test, a German adaptation of the Repeat and Point task, phonemic and category fluency tasks and the reading/writing subtest of the Aachen Aphasia Test. Brain structure was measured by cortical thickness. We observed networks of language task-associated temporal, frontal and parietal cortex. Overlapping task-associated atrophy was observed in the left lateral, ventral and medial temporal lobes, middle and superior frontal gyri, supramarginal gyrus and insula. Some regions, primarily in the perisylvian region, were associated with language behaviour despite showing no significant atrophy. The results crucially extend less powerful studies associating brain and language measures in primary progressive aphasia. Cross-variant atrophy in task-associated regions suggests partially shared underlying deficits, whereas unique atrophy reinforces variant-specific deficits. Language task-related regions that are not obviously atrophied suggest regions of future network disruption and encourage understanding of task deficits beyond clearly atrophied cortex. These results may pave the way for new treatment approaches.
title: A Dynamic Factor Model for Commodity Prices
Creators: name: Bilgin, Doga
name: Ellwanger, Reinhard
Publisher: name: Bank of Canada
Year: 2017

description: In this note, we present the Commodities Factor Model (CFM), a dynamic factor model for a large cross-section of energy and non-energy commodity prices. The model decomposes price changes in commodities into a common “global” component, a “block” component confined to subgroups of economically related commodities and an idiosyncratic price shock component. Unlike with ordinary factor models, these components have meaningful economic interpretations: the global component mostly relates to global commodity demand shocks, while the idiosyncratic component mostly relates to commodity-specific supply shocks. We give several examples to show that the CFM provides plausible historical decompositions.
description: Dans cette note, nous présentons le modèle factoriel des prix des produits de base, un modèle à facteurs dynamiques appliqué à un large échantillon de prix des produits de base énergétiques et non énergétiques. Le modèle décompose les variations des prix des produits de base en trois composantes : une composante « globale», une composante « par blocs », qui concerne les sous-groupes des produits de base liés d’un point de vue économique, et une composante idiosyncrasique qui rend compte des chocs de prix spécifiques. Contrairement aux composantes dérivées des modèles factoriels habituels, ces composantes proposent une lecture économique utile : la composante globale se rapporte principalement aux chocs de la demande mondiale de produits de base tandis que la composante idiosyncrasique est surtout associée aux chocs touchant l’offre de tel ou tel produit de base. Nous donnons quelques exemples pour montrer que ce modèle offre une décomposition plausible des facteurs historiques à l’origine des mouvements de prix.
SU(6)$\supset$SU(3)xSU(2) and SU(8)$\supset$SU(4)xSU(2) Clebsch-Gordan coefficients
Creators: name: Garcia-Recio, C.
name: Salcedo, L. L.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Tables of scalar factors are presented for 63x63 and 120x63 in SU(8)$\supset$SU(4)xSU(2), and for 35x35 and 56x35 in SU(6)$\supset$SU(3)xSU(2). Related tables for SU(4)$\supset$SU(3)xU(1) and SU(3)$\supset$SU(2)xU(1) are also provided so that the Clebsch-Gordan coefficients can be completely reconstructed. These are suitable to study meson-meson and baryon-meson within a spin-flavor symmetric scheme.
description: 30 pages, mostly tables
title: ÐÐ°Ð·Ð¾ÑÑÑÐ±Ð¸Ð½Ð½Ð°Ñ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ° Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 16,8 ÐÐÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Gas turbine unit with 16,8 MW capacity
Creators: name: Ð¨Ð¸Ð»Ð¾Ð², Ð Ð¾Ð¼Ð°Ð½
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: 2021
Subjects: Ð³Ð°Ð·Ð¾Ð¿ÐµÑÐµÐºÐ°ÑÐ¸Ð²Ð°ÑÑÐ¸Ð¹ Ð°Ð³ÑÐµÐ³Ð°Ñ
ÑÐ¸ÐºÐ» ÐÑÐ°Ð¹ÑÐ¾Ð½Ð°
Ð¾ÑÐµÐ²Ð¾Ð¹ ÐºÐ¾Ð¼Ð¿ÑÐµÑÑÐ¾Ñ
ÐºÐ°Ð¼ÐµÑÐ° ÑÐ³Ð¾ÑÐ°Ð½Ð¸Ñ
Ð»Ð¾Ð¿Ð°ÑÐºÐ°
ÑÐ¸Ð»Ð¾Ð²Ð°Ñ ÑÑÑÐ±Ð¸Ð½Ð°
Ð¿ÑÐ¾ÑÐ½Ð¾ÑÑÑ
gas transmission unit
Brayton cycle
axial compressor
combustion chamber
blade
power turbine
strength

description: ÐÐ²Ð¸Ð³Ð°ÑÐµÐ»Ñ ÐÐ-31Ð¡Ð¢ Ð¿ÑÐµÐ´Ð½Ð°Ð·Ð½Ð°ÑÐµÐ½ Ð´Ð»Ñ Ð¿ÑÐ¸Ð²Ð¾Ð´Ð° ÑÐ¾ÑÐ¾ÑÐ° Ð½Ð°Ð³Ð½ÐµÑÐ°ÑÐµÐ»Ñ Ð³Ð°Ð·Ð¾Ð¿ÐµÑÐµÐºÐ°ÑÐ¸Ð²Ð°ÑÑÐµÐ³Ð¾ Ð°Ð³ÑÐµÐ³Ð°ÑÐ°. ÐÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð²Ð½Ð¾ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½ Ð² Ð²Ð¸Ð´Ðµ Ð´Ð²ÑÑ Ð¼Ð¾Ð´ÑÐ»ÐµÐ¹: Ð³Ð°Ð·Ð¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ° Ð¸ ÑÐ²Ð¾Ð±Ð¾Ð´Ð½Ð¾Ð¹ ÑÑÑÐ±Ð¸Ð½Ñ. Ð ÐºÐ°ÑÐµÑÑÐ²Ðµ ÑÐ¾Ð¿Ð»Ð¸Ð²Ð° Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÐµÑÑÑ Ð¿ÑÐ¸ÑÐ¾Ð´Ð½ÑÐ¹ Ð³Ð°Ð·. ÐÑÐ¾Ð¼Ðµ ÑÐ¾Ð³Ð¾, Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ ÐÐ-31 Ð¡Ð¢ Ð¸Ð¼ÐµÐµÑ Ð²ÑÑÐ¾ÐºÐ¸Ð¹ ÑÑÐ¾Ð²ÐµÐ½Ñ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ¾Ð², ÑÐºÐ¾Ð»Ð¾Ð³Ð¸ÑÐ½Ð¾ÑÑÑ, ÑÐ¿Ð¾ÑÐ¾Ð±Ð½Ð¾ÑÑÑ Ðº ÑÐ°Ð±Ð¾ÑÐµ Ð² Ð»ÑÐ±ÑÑ ÐºÐ»Ð¸Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¿Ð¾Ð´Ð´ÐµÑÐ¶Ð°Ð½Ð¸Ðµ Ð¾Ð¿ÑÐ¸Ð¼Ð°Ð»ÑÐ½ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð¾Ð² ÑÐ°Ð±Ð¾ÑÑ. ÐÐ°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð·Ð°ÐºÐ»ÑÑÐ°ÐµÑÑÑ Ð² ÑÐ°ÑÑÑÑÐµ Ð¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð³Ð°Ð·Ð¾ÑÑÑÐ±Ð¸Ð½Ð½Ð¾Ð¹ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ ÐÐ-31 Ð¡Ð¢.
description: The AL-31ST engine is designed to drive the supercharger rotor of the gas pumping unit. Structurally, the engine is made in the form of two modules: a gas generator and a free turbine. Natural gas is used as the engine fuel. In addition, the AL-31 ST engine has a high level of parameters, environmental friendliness, the ability to work in any climatic conditions and automatic maintenance of optimal operating modes. The bachelor's work consists in the calculation and design of a gas turbine plant based on the AL-31 ST engine.
title: Do Canadian Broker-Dealers Act as Agents or Principals in Bond Trading?
Creators: name: Hyun, Daniel
name: Johal, Jesse
name: Garriott, Corey
Publisher: name: Bank of Canada
Year: 2017

description: Technology, risk tolerance and regulation may influence dealers to reduce their trading as principals (using their own balance sheets for sales and purchases of securities) in favour of agency trading (matching client trades). A move toward agency trading would represent a change in the structure of Canadian bond markets and, in theory, could worsen some aspects of market liquidity. To assess the prevalence of agency trading in Canada, we use data from the Market Trade Reporting System to construct the first estimate of agency-based trading in Canadian bond markets. We find that agency trading is relatively uncommon across major segments of Canadian fixed-income market and that large bank broker-dealers are less likely than their smaller counterparts to trade as an agent.
description: Les technologies, la tolérance au risque et la réglementation peuvent amener les courtiers à réduire les activités de négociation où ils se portent contrepartiste (utilisation de leur propre bilan pour la vente et l’achat de titres) au profit de celles menées en qualité de mandataire (appariement des ordres des clients). Une évolution en faveur des activités de négociation à titre de mandataire représenterait un changement dans la structure des marchés obligataires canadiens et, en théorie, pourrait aggraver certains aspects de la liquidité de marché. Pour évaluer la proportion de ce type de négociation au Canada, nous nous servons de données du Système d’établissement de relevés des opérations sur le marché et construisons ainsi la première estimation des activités de négociation à titre de mandataire dans les marchés obligataires canadiens. Nous constatons que ce genre de négociation est relativement peu courant dans les principaux segments du marché canadien des titres à revenu fixe et que les grandes banques négociant des valeurs mobilières sont moins susceptibles de négocier comme mandataire que leurs homologues de moindre taille.