cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Additional file 15 of Spatio-temporal dynamics of bacterial communities in the shoreline of Laurentian great Lake Erie and Lake St. Clair’s large freshwater ecosystems
Creators: name: Shahraki, Abdolrazagh Hashemi
name: Chaganti, Subba Rao
name: Heath, Daniel
Publisher: name: figshare
Year: 2021
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Additional file 15: Supplementary Table 7. Pairwise dissimilarity (%; SIMPER) (above the diagonal) and PERMANOVA significance probabilities (below the diagonal) for the BCCs across the 15 months of sampling (numbers indicate months, 16 and 17 show 2016 and 2017 respectively. P values were adjusted using a Bonferroni correction for multiple comparisons.
The dynamically hot stellar halo around NGC 3311: a small cluster-dominated central galaxy
Creators: name: Ventimiglia, G.
name: Gerhard, O.
name: Arnaboldi, M.
name: Coccato, L.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: An important open question is the relation between intracluster light and the halos of central galaxies in galaxy clusters. Here we report results from an on going project with the aim to characterize the dynamical state in the core of the Hydra I (Abell 1060) cluster around NGC 3311. Methods: We analyze deep long-slit absorption line spectra reaching out to ~25 kpc in the halo of NGC 3311. Results: We find a very steep increase in the velocity dispersion profile from a central sigma_0=150 km/s to sigma_out ~450 km/s at R ~ 12 kpc. Farther out, to ~25 kpc, sigma appears to be constant at this value, which is ~60% of the velocity dispersion of the Hydra I galaxies. With its dynamically hot halo kinematics, NGC 3311 is unlike other normal early-type galaxies. Conclusions: These results and the large amount of dark matter inferred from X-rays around NGC 3311 suggest that the stellar halo of this galaxy is dominated by the central intracluster stars of the cluster, and that the transition from predominantly galaxy-bound stars to cluster stars occurs in the radial range 4 to 12 kpc from the center of NGC 3311. We comment on the wide range of halo kinematics observed in cluster central galaxies, depending on the evolutionary state of their host clusters.
description: 5 pages, 4 figures, 1 table, accepted for publication in A&A
Challenges from and for the Bioconductor community
Creators: name: Rue-Albrecht, Kevin
name: Soneson, Charlotte
name: Gatto, Laurent
name: European Bioconductor Organising Committee
Publisher: name: F1000 Research Limited
Year: 2020

description: Opening talk for the BiocChallenges initiative, a Bioconductor-compliant package to manage challenges from and for the Bioconductor community.
Theory of microwave-assisted supercurrent in quantum point contacts
Creators: name: Bergeret, F. S.
name: Virtanen, P.
name: Heikkilä, T. T.
name: Cuevas, J. C.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a microscopic theory of the effect of a microwave field on the supercurrent through a quantum point contact of arbitrary transmission. Our theory predicts that: (i) for low temperatures and weak fields, the supercurrent is suppressed at certain values of the superconducting phase, (ii) at strong fields, the current-phase relation is strongly modified and the current can even reverse its sign, and (iii) at finite temperatures, the microwave field can enhance the critical current of the junction. Apart from their fundamental interest, our findings are also important for the description of experiments that aim at the manipulation of the quantum state of atomic point contacts.
description: 4 pages; 3 figures
Peridotite and pyroxenite xenoliths from the Muskox kimberlite, northern Slave craton, Canada
Creators: name: Newton, David Edward
Publisher: name: University of British Columbia
Year: 2015

description: Petrography, mineralogy and thermobarometry are reported for 53 mantle-derived xenoliths from the Muskox kimberlite pipe in the northern Slave craton. The xenolith suite includes 15% coarse spinel peridotite, 4% coarse spinel-garnet peridotite, 4% coarse garnet peridotite, 9% porphyroclastic peridotite, 60% websterite and 8% orthopyroxenite. Peridotites are composed primarily of forsteritic olivine (Fo 89-94), enstatite (En 89-94), Cr-diopside, Cr-pyrope garnet and chromite spinel. Pyroxenites are composed primarily of enstatite (En 90-92), Cr-diopside and Cr-pyrope garnet. Thermobarometric estimates were made using two-pyroxene, garnet-clinopyroxene and Ca-in-orthopyroxene thermometers and garnet-orthopyroxene barometer. Results suggest that coarse peridotites equilibrated at 650-1220 °C and 23-63 kbar; porphyroclastic peridotites equilibrated at 1200-1350 °C and 57-70 kbar; pyroxenites equilibrated at 1030-1230 °C and 50-63 kbar. Muskox xenoliths are compared with xenoliths recovered from the neighboring Jericho kimberlite, erupted 15 km away from and at the same time as Muskox. Contrasts in the characteristics of these two suites of mantle samples include: 1) higher levels of depletion throughout the Muskox mantle column based on the contents of MgO in olivine and orthopyroxene and Cr₂O₃ in garnet; 2) the presence of a shallow zone of metasomatism in the spinel stability field in the Muskox mantle; 3) a higher proportion of pyroxenitic versus peridotitic rock types at the base of the mantle column beneath the Muskox kimberlite and higher Cr₂O₃ in all minerals in pyroxenites; and 4) lower levels of deformation in the Muskox mantle. We interpret these contrasts as representing small scale heterogeneities in the bulk composition of the mantle, as well as the local effects of kimberlite formation and ascent. If percolation of asthenosphere-derived pre-kimberlitic fluids in the less permeable Muskox mantle was impeded, localization of this fluid may have resulted in higher proportions of pyroxenitic rock types here, as well as lower degrees of deformation of the peridotitic mantle.
Additional file 1 of Antennal transcriptome analysis of olfactory genes and characterizations of odorant binding proteins in two woodwasps, Sirex noctilio and Sirex nitobei (Hymenoptera: Siricidae)
Creators: name: Guo, Bing
name: Hao, Enhua
name: Qiao, Haili
name: Wang, Jingzhen
name: Wu, Weiwei
name: Zhou, Jingjiang
name: Lu, Pengfei
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 1: Transcriptome information of S. noctilio and S. nitobei. Table S1. Summary of raw reads obtained from S. noctilio and S. nitobei antennal transcriptomes. Table S2. Summary of clean reads obtained from S. noctilio and S. nitobei antennal transcriptomes. Table S3. Assembly statistics for the S. noctilio antennal transcriptome. Table S4. Assembly statistics for the S. nitobei antennal transcriptome.
Autophagy During and Following Dynamic Exercise in Young Adults: Influence of Exercise Intensity
Creators: name: Côté, Melissa D.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2022
Subjects: Autophagy

description: Autophagy plays a critical role in the cell’s response to exercise-induced cell stress. Exercise intensity and elevations in tissue temperature are known to modulate autophagic activation, however, the relationship is still unclear. Thus, we investigated the effect of increasing intensities of exercise, as well as evaluated high intensity exercise performed in a hot environment on autophagy and associated cellular stress pathways (the heat shock response [HSR], apoptosis, and the acute inflammatory response). To evaluate the hypothesis that greater autophagic activation occurs with increasing exercise intensity, which is be exacerbated by exercise performed in the heat, 9 young men (mean [SD]; 23 [2] years) cycled for 30 minutes at 40, 55 and 70% of VO2max at an ambient temperature of 25°C and at 70% of VO2max at an ambient temperature of 40°C. Peripheral blood mononuclear cells were harvested before exercise, as well as at 0, 3 and 6 hours post-exercise. Changes in protein content were analyzed via Western blotting. With each increase in exercise intensity, there was a concomitant increase in mean body temperature and heart rate, both of which were further increased in the heated condition. A significant increase (p≤0.05) in LC3-II and LC3-II/I protein expression was observed immediately post high-, but not low- or moderate-intensity exercise. Additionally, elevations in LC3-II immediately following high intensity exercise in a hot environment were significantly greater than those in the non-heat stress environment. Taken together, this may indicate a threshold volume of exercise- and heat-induced cellular stress required to stimulate elevations in autophagic activity.
A standardized computational framework for the analysis of mass spectrometry-based single-cell proteomics data
Creators: name: Vanderaa, Christophe
name: Gatto, Laurent
Publisher: name: F1000 Research Limited
Year: 2020

description: Recent advances in sample preparation, processing and mass spectrometry (MS) have enabled the emergence of MS-based single-cell proteomics (SCP). However, the lack of computational framework limits the optimization and wider application of these new technologies. We aim to fill this gap and propose a standardized pipeline for the analysis of MS-based SCP data. Our packages rely on existing Bioconductor infrastructure, such as classes and functions for single-cell RNA sequencing and MS-based quantitative proteomics. The first package, scpdata, disseminates curated SCP data sets for method development and benchmarking. The second package, scp, implements functions to streamline the analysis of SCP data. We demonstrate the application of our pipeline by replicating and improving on the analyses of two published data sets and show its relevance in the processing and interpretation of MS-based SCP data.
Canonical lossless state-space systems: Staircase forms and the Schur algorithm
Creators: name: Peeters, Ralf L. M.
name: Hanzon, Bernard
name: Olivi, Martine
Publisher: name: arXiv
Year: 2010
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: A new finite atlas of overlapping balanced canonical forms for multivariate discrete-time lossless systems is presented. The canonical forms have the property that the controllability matrix is positive upper triangular up to a suitable permutation of its columns. This is a generalization of a similar balanced canonical form for continuous-time lossless systems. It is shown that this atlas is in fact a finite sub-atlas of the infinite atlas of overlapping balanced canonical forms for lossless systems that is associated with the tangential Schur algorithm; such canonical forms satisfy certain interpolation conditions on a corresponding sequence of lossless transfer matrices. The connection between these balanced canonical forms for lossless systems and the tangential Schur algorithm for lossless systems is a generalization of the same connection in the SISO case that was noted before. The results are directly applicable to obtain a finite sub-atlas of multivariate input-normal canonical forms for stable linear systems of given fixed order, which is minimal in the sense that no chart can be left out of the atlas without losing the property that the atlas covers the manifold.
Additional file 16 of Spatio-temporal dynamics of bacterial communities in the shoreline of Laurentian great Lake Erie and Lake St. Clair’s large freshwater ecosystems
Creators: name: Shahraki, Abdolrazagh Hashemi
name: Chaganti, Subba Rao
name: Heath, Daniel
Publisher: name: figshare
Year: 2021
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Additional file 16: Supplementary Table 8. Pairwise comparison of alpha diversity and Bray–Curtis dissimilarity PCo1 & 2 indexes among 15 months of sampling across 6 different locations.
Women's perspectives of safety in supportive housing on Vancouver's Downtown Eastside and Downtown Core : "this is high emotion here. You're dealing with life here"
Creators: name: Ravn, Ferma
Publisher: name: University of British Columbia
Year: 2015

description: This qualitative research project sought to explore women’s perspectives of safety in supportive housing within Vancouver’s Downtown Eastside (DTES) and Downtown Core (DC). Feminist participatory action research and intersectionality theory were utilized as a research framework. Ten participants, most of who were Aboriginal, were recruited for this project and focus groups and interviews were used for data collection. Five themes were identified using open coding. The first theme focuses on how intersecting stigmas impacted participants’ experiences and perspectives of safety within supportive housing. The second centers on how experiences of trauma informed some women’s housing decisions. The third theme portrays how the location of supportive housing was key to participants’ feelings of safety in their housing and surrounding neighborhoods. The fourth shows that participants viewed safety largely as security measures that were respectful of tenants’ rights to privacy and independence. The fifth theme reveals that pervasive problems in supportive housing put participants at everyday risk. These pervasive problems were identified by participants as being bedbug infestations, dangers associated with sharing bathrooms, social conflict, and negligence from staff and management. The findings of this research project suggest that women’s perspectives of safety were informed by their interlocking social locations, as well as their unique life experiences. This resulted in women having a range of views on what created safety in supportive housing. The findings also indicate that a significant portion of supportive housing stock is substandard in the DTES and DC, especially those that are single room occupancy (SRO) hotels, putting women at risk on an ongoing basis.
An arts-based methodology of intuition : secondary visual art teacher becomings and encounters with schooling
Creators: name: Boulton-Funke, Adrienne
Publisher: name: University of British Columbia
Year: 2015

description: In this dissertation, I seek to understand how pedagogy and arts-based research might provoke the conditions for creative thought by drawing on experience as a sensory and affective event to disrupt perceptions and memory of teacher practice. I examine two secondary visual art teachers’ experiences of: (1) returning to their high schools and (2) filming their returns. Christen and Kelsie each returned twice, responding to prompts that I had provided: to explore the pedagogical value of school space, and to imagine the school as an installation designed to teach. The films, and the subsequent group dialogue sessions pointed the types of experiences that research and pedagogy might enact with teacher candidates to destabilize their tacit understandings of teacher practice. Through their filmmaking as art practice, Christen and Kelsie performed as nomads (Deleuze & Guattari, 1987) in the school space, which triggered unique memories in and of place. My research suggests that rather than filming events of significance— described by Dewey (1934) as an experience—which form the basis of teaching narratives (Connelly & Clandinin, 1990), both participants filmed the lesser events formed in the everyday mundane spaces of schooling, such as halls and stairways. In doing so, each participant developed an individuated aesthetic of becoming in their films, which, during the dialogue sessions, provoked a consideration of their perceptions of teacher practices in novel ways. A significant implication of this research includes the emergence of an arts-based methodology of intuition to provoke alterity as a way of being in and of the world. Artistic practice and embodied experience offer new conceptualizations of time and experience that create the conditions for memory and perception to become amenable to change, and for intuition, as a disposition, to problematize, differentiate and temporalize experience. The methodology of intuition (Deleuze, 1991) develops intuition as an individual disposition to destabilize understandings gained through experience even as understanding of that experience is sought. I argue that the arts-based methodology of intuition holds significant potential for the ways in which both research and pedagogy might create opportunities for new perceptions of and capacities for visual art teacher practice.
Reduction of Phonon Lifetimes and Thermal Conductivity of a Carbon Nanotube on Amorphous Silica
Creators: name: Ong, Zhun-Yong
name: Pop, Eric
name: Shiomi, Junichiro
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We use molecular dynamics simulations to examine the phonon lifetimes in (10,10) carbon nano-tubes (CNTs), both when isolated and when supported on amorphous SiO2 substrates. We deter-mine the Umklapp, normal, boundary and CNT-substrate phonon scattering rates from the com-puted inverse lifetimes. Suspended CNTs have in-plane optical phonon lifetimes between 0.7-2 ps, consistent with recent experiments, but contact with the substrate leads to a lifetime reduction to the 0.6-1.3 ps range. The thermal conductivity of the supported CNT is also computed to be ~30 percent lower than that of the isolated CNT. The thermal boundary conductance estimated from the CNT-substrate phonon scattering rates is in good agreement with that computed from the Green-Kubo relation and with previous experimental results. The results highlight that solid substrates can strongly affect and could be even used to tune the thermal properties of CNTs.
description: 25 pages, 7 figures, corrected author name
Painlevé-Gullstrand synchronizations in spherical symmetry
Creators: name: Herrero, Alicia
name: Morales-Lladosa, Juan Antonio
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences
subject: 04.20.Cv, 04.20.-q

description: A Painlevé-Gullstrand synchronization is a slicing of the space-time by a family of flat spacelike 3-surfaces. For spherically symmetric space-times, we show that a Painlevé-Gullstrand synchronization only exists in the region where $(dr)^2 \leq 1$, $r$ being the curvature radius of the isometry group orbits ($2$-spheres). This condition says that the Misner-Sharp gravitational energy of these 2-spheres is not negative and has an intrinsic meaning in terms of the norm of the mean extrinsic curvature vector. It also provides an algebraic inequality involving the Weyl curvature scalar and the Ricci eigenvalues. We prove that the energy and momentum densities associated with the Weinberg complex of a Painlevé-Gullstrand slice vanish in these curvature coordinates, and we give a new interpretation of these slices by using semi-metric Newtonian connections. It is also outlined that, by solving the vacuum Einstein's equations in a coordinate system adapted to a Painlevé-Gullstrand synchronization, the Schwarzschild solution is directly obtained in a whole coordinate domain that includes the horizon and both its interior and exterior regions.
description: 16 pages
Additional file 1 of Spatio-temporal dynamics of bacterial communities in the shoreline of Laurentian great Lake Erie and Lake St. Clair’s large freshwater ecosystems
Creators: name: Shahraki, Abdolrazagh Hashemi
name: Chaganti, Subba Rao
name: Heath, Daniel
Publisher: name: figshare
Year: 2021
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Additional file 1: Supplementary Fig. 1. Multivariant principal coordinate analysis (PCoA) plot of the Bray–Curtis similarity matrix of the BCCs of Lake Erie and Lake St. Clair (Top panel) and six different locations (CB, CH, HB, LP, PP and SP) (bottom panel) across 15 months of sampling.
Reactions of Cobalt and Nickel Complexes with Fluoroalkenes and Perfluorobutadiene
Creators: name: Behroozi, Samira
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2022
Subjects: Organofluorine compounds
Fluorocarbons

description: Organofluorine compounds are highly desirable products owing to the unique physical and chemical properties imparted by fluorine. Fluorocarbons are useful molecules that are used in multiple industries such as refrigeration, agrochemicals, pharmaceuticals, insecticides, high-value fluoropolymers and reagents in catalysis. As ligands, they are privileged in the relative inertness of the C–F bonds and their electrophilicity, which makes them ideal candidates for coordination chemistry with late, electron rich metals. Chapter 2 describes the preparation of new Ni metallacyclopentene complexes with phosphite and bis(phosphine) ligands and investigates the reaction of the latter with Lewis acidic trimethylsilyltriflate, TMSOTf (Tf = SO2CF3). As phosphine ligands react with the perfluoro-butadiene (PFB) substrate, the phosphite complex Ni((2-C4F6)[P(O-i-Pr)3]2 (2-1) was prepared from Ni(cod)2 /2 P(O-i-Pr)3 and excess PFB. Reaction of 2.1 with bis(phosphine) dppe [1,2-bis(diphenylphosphine)ethane] proceeded slowly with release of P(O-i-Pr)3 and formation of electron-rich Ni(2-C4F6)(dppe) (2-2) that undergoes fluoride abstraction using TMSOTf. The major product is proposed to be a dienyl complex resulting from ring contraction and cycloreversion. In Chapter 3 we investigate reactions of fluoroalkenes with cobalt hydrides containing phosphine and phosphite ligands in order to see if their reactivity can be controlled by the ligands’ steric and electronic properties. The four cobalt compounds used were CoH[P(OiPr)3]4 (3-1), CoH[P(O-o-tol)3]n (3-2), CoH(triphos)(CO) (3-3); [triphos = bis(diphenylphosphinoethyl)-phenylphosphine], and CoH(PPh3)3(N2) (3-4). In light of previous reports of tetrafluoroethylene insertion into Co carbonyl hydrides, we were surprised that analogous reactivity was not observed except for 3-4. Instead, reactions with hexafluoropropene gave a mixture of alkene cobalt fluoride and cobalt alkenyl complexes. In Chapter 4 we summarize our contributions to knowledge and compare our results to those from the current state of the art.
Concerning the existence of Einstein and Ricci soliton metrics on solvable Lie groups
Creators: name: Jablonski, Michael
Publisher: name: arXiv
Year: 2010
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: In this work we investigate solvable and nilpotent Lie groups with special metrics. The metrics of interest are left-invariant Einstein and algebraic Ricci soliton metrics. Our main result shows that the existence of a such a metric is intrinsic to the underlying Lie algebra. More precisely, we show how one may determine the existence of such a metric by analyzing algebraic properties of the Lie algebra in question and infinitesimal deformations of any initial metric. Our second main result concerns the isometry groups of such distinguished metrics. Among the completely solvable unimodular Lie groups (this includes nilpotent groups), if the Lie group admits such a metric, we show that the isometry group of this special metric is maximal among all isometry groups of left-invariant metrics. We finish with a similar result for locally left-invariant metrics on compact nilmanifolds.
description: 28 pages
Static interactions and stability of matter in Rindler space
Creators: name: Lenz, F.
name: Ohta, K.
name: Yazaki, K.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Dynamical issues associated with quantum fields in Rindler space are addressed in a study of the interaction between two sources at rest generated by the exchange of scalar particles, photons and gravitons. These static interaction energies in Rindler space are shown to be scale invariant, complex quantities. The imaginary part will be seen to have its quantum mechanical origin in the presence of an infinity of zero modes in uniformly accelerated frames which in turn are related to the radiation observed in inertial frames. The impact of a uniform acceleration on the stability of matter and the properties of particles is discussed and estimates are presented of the instability of hydrogen atoms when approaching the horizon.
description: 28 pages, 4 figures
Form-functional and topical sources of humour in classical instrumental music
Creators: name: Palmer, James K. N.
Publisher: name: University of British Columbia
Year: 2015

description: Most of us can recall chuckling, or even laughing out loud, at a humorous musical passage and perhaps recalling how much that experience increased our enjoyment of the music. This study focuses on humour in the instrumental works of Haydn, Mozart, and Beethoven: composers who have been singled out by contemporary and modern scholars for their ingenuity and mastery of the Classical style. In the most general sense, musical humour arises when composers play with established conventions of musical discourse by writing something incongruous according to the stylistic context. Chapter 1 demonstrates how historical critics understood the role of contrast in examples of musical humour and wit. It then surveys many recent music-theoretical discussions of musical humour, before briefly introducing how elements of contrast, “valence shifts,” and “opposition” are involved in musical humour from the Classical period. This study’s analytical and theoretical approach to musical humour draws on recent studies of musical humour, form, and communication in the Classical style, as well as concepts from recent linguistic theories of humour. Chapter 2 introduces the two primary strategies Classical instrumental composers employed to create musical humour: “opposition” and “excess.” Chapters 3 and 4 discuss a wide range of musical examples to explore how composers deployed formal functions and musical topics to produce humour. These discussions provide a sense of the wide range of effects that fall under the umbrellas of opposition and excess. Chapter 5 concludes by briefly examining some performance applications of this study and suggesting some further potential sources of musical humour.
Efficient hydroelectric generation using novel balance schemes
Creators: name: Fekri Moghadam, Milad
Publisher: name: University of British Columbia
Year: 2015

description: In order to control frequency and interchange schedules in electric power systems, a permanent balance between generation and demand is necessary. Following electric demand has traditionally been realized by control of flexible generation resources. As a consequence, conventional generation units are utilized in lower maximum output power and less efficient operating points. Transition toward increased penetration of intermittent Distributed Energy Resources (DER) requires more balancing capacity in power systems which makes frequency control a more challenging issue. Demand Side Management (DSM) is a main ingredient of Smart Grid (SG)s to improve efficiency and reliability. Some industrial processes have inherent flexibilites making them capable of virtually storing enough energy to immediately and continuously respond to control signals of transmission system operator. These loads, when equipped with advanced metering, communication and control infrastructure, can realize participation of Demand Side Storage (DSS) in sub-hourly time steps of grid balance. In order to fairly distribute the benefits of interconnection among all control areas, frequency control standards are defined and proposed by reliability coordinators e.g. NERC. Once new standards become effective, Balancing Authorities (BA)s modify their Automatic Generation Control (AGC) and real-time balance logic to comply with the new requirements. This research is dedicated to finding novel balance structures in sub-hourly dispatch and real-time operation. The objectives of the proposed balance structures are to increase hydroelectric generation efficiency and reduce unit maneuvering leading to mechanical wear and tear. A new Demand Dispatch (DD) application for industrial flexible loads and a new sub-hourly balance structure based on use of DSS are developed in this thesis. Also in real-time operation, a novel AGC logic is proposed to maximize the benefits of a hydroelectric dominated Balancing Authority based on latest frequency control standards. It is shown through mathematical modeling, static scheduling optimization formulations and dynamic simulations that utilizing 5% of system peak demand as sub-hourly dispatched DSS saves up to 2% in generation efficiency and utilizing the proposed real-time AGC logic leads to generation efficiency saving of up to 1.3%. Both proposed methods also significantly reduce mechanical wear and tear.
Recent Progress in SUSY GUTs
Creators: name: Babu, K. S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: After a brief review of the motivations for grand unification, I discuss the main challenges facing realistic SUSY GUT model building. Achieving doublet-triplet splitting without fine--tuning is chief among them. Symmetry breaking should occur consistently without unwanted Goldston bosons, μ-term of order TeV for the MSSM Higgs fileds should emerge naturally, and realistic fermion masses with small quark mixing angles and large lepton mixing angles should be generated with some predictivity. Significant progress has been made over the years towards achieving these goals in the context of supersymmetric SO(10) GUT. A complete SO(10) model is presented along this line wherein, somewhat surprisingly, the GUT scale threshold corrections to the gauge couplings are found to be small. This results in a predictive scenario for proton lifetime. An interesting correlation between the d=6 (p\to e^+π^0) and d=5 (p\to ν-bar K^+) decay amplitudes is observed. This class of models predicts that both proton decay modes should be observable with an improvement in the current sensitivity by about a factor of five to ten.
description: Based on talk presented at ICHEP 2010, Paris, To be published in PoS ICHEP 2010, 4 pages LaTeX
Additional file 2 of Spatio-temporal dynamics of bacterial communities in the shoreline of Laurentian great Lake Erie and Lake St. Clair’s large freshwater ecosystems
Creators: name: Shahraki, Abdolrazagh Hashemi
name: Chaganti, Subba Rao
name: Heath, Daniel
Publisher: name: figshare
Year: 2021
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Additional file 2: Supplementary Fig. 2. Taxa with significant spatial variation in their relative abundance among two lakes (Lake Erie and St. Clair). The relative abundance of all 5 classes were significantly higher (p
Gartenwerkstatt : ein Beitrag zur Förderung von Naturbezug, Umweltbewusstsein und sozialem Miteinander im urbanen Raum
Creators: name: Hagen Hodgson, Petra
Publisher: name: ZHAW Zürcher Hochschule für Angewandte Wissenschaften
Year: 2009
Subjects: 333.7: Landflächen, Naturerholungsgebiete
712: Landschaftsgestaltung (Landschaftsdesign)

description: Die grosse Verantwortung, die Wissenschaft, Bildung und Politik tragen, wenn es darum geht, in der Bevölkerung ein nachhaltiges Bewusstsein für die Wertschätzung der Natur und ihre lebenswichtigen Ressourcen zu schaffen, kam an der Jahreskonferenz der DEZA am 21. August 2009 mit dem Thema «Klima und Entwicklung – Die Herausforderung des Klimawandels für die Entwicklungspolitik» klar zum Ausdruck.
Robustness of the filamentation instability as shock mediator in arbitrarily oriented magnetic field
Creators: name: Bret, Antoine
name: Alvaro, Erica Perez
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: The filamentation instability (sometimes also referred to as "Weibel") is a key process in many astrophysical scenario. In the Fireball model for Gamma Ray Bursts, this instability is believed to mediate collisionless shock formation from the collision of two plasma shells. It has been known for long that a flow aligned magnetic field can completely cancel this instability. We show here that in the general case where there is an angle between the field and the flow, the filamentation instability can never be stabilized, regardless of the field strength. The presented model analyzes the stability of two symmetric counter-streaming cold electron/proton plasma shells. Relativistic effects are accounted for, and various exact analytical results are derived. This result guarantees the occurrence of the instability in realistic settings fulfilling the cold approximation.
description: To appear in Physics of Plasmas Letters
Turbulent superfluid profiles in a counterflow channel
Creators: name: Galantucci, L.
name: Barenghi, C. F.
name: Sciacca, M.
name: Quadrio, M.
name: Luchini, P.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We have developed a two-dimensional model of quantised vortices in helium II moving under the influence of applied normal fluid and superfluid in a counterflow channel. We predict superfluid and vortex-line density profiles which could be experimentally tested using recently developed visualization techniques.
description: 3 double figures, 9 pages
Faraday Rotation in the Tail of the Planetary Nebula DeHt 5
Creators: name: Ransom, R. R.
name: Kothes, R.
name: Wolleben, M.
name: Landecker, T. L.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present 1420 MHz polarization images of a 5x5 degree region around the planetary nebula (PN) DeHt 5. The images reveal narrow Faraday-rotation structures on the visible disk of DeHt 5, as well as two wider, tail-like, structures "behind" DeHt 5. Though DeHt 5 is an old PN known to be interacting with the interstellar medium (ISM), a tail has not previously been identified for this object. The innermost tail is approximately 3 pc long and runs away from the north-east edge of DeHt 5 in a direction roughly opposite that of the sky-projected space velocity of the white dwarf central star, WD 2218+706. We believe this tail to be the signature of ionized material ram-pressure stripped and deposited downstream during a >74,000 yr interaction between DeHt 5 and the ISM. We estimate the rotation measure (RM) through the inner tail to be -15 +/- 5 rad/m^2, and, using a realistic estimate for the line-of-sight component of the ISM magnetic field around DeHt 5, derive an electron density in the inner tail of n_e = 3.6 +/- 1.8 cm^-3. Assuming the material is fully ionized, we estimate a total mass in the inner tail of 0.68 +/- 0.33 solar masses, and predict that 0.49 +/- 0.33 solar masses was added during the PN-ISM interaction. The outermost tail consists of a series of three roughly circular components, which have a collective length of approximately 11.0 pc. This tail is less conspicuous than the inner tail, and may be the signature of the earlier interaction between the WD 2218+706 asymptotic giant branch (AGB) progenitor and the ISM. The results for the inner and outer tails are consistent with hydrodynamic simulations, and may have implications for the PN missing-mass problem as well as for models which describe the impact of the deaths of intermediate-mass stars on the ISM.
description: 30 pages (single-column preprint format), 5 figures. Accepted for publication in the Astrophysical Journal
The politics of public space : cultural anxiety, Victorian literature, and the city of Paris
Creators: name: Mann, Paisley Claire
Publisher: name: University of British Columbia
Year: 2023

description: “The English have invented the house,” writes Philip Gilbert Hamerton in Paris in Old and Present Times (1885), and “the French have invented the street” (219). Given the privileged position of the middle-class home in Victorian culture and the relationship between Parisian street and revolutionary unrest, Hamerton’s assessment would seem to place England as superior to France; indeed, examples of similar cultural dichotomies recur in nineteenth- century literature and culture, and scholars have often noted Britain’s francophobia. However, my dissertation argues that British texts about Parisian public space complicate this cultural hierarchy. At mid century, the Victorians’ increasing anxiety about Britain’s international reputation and its response to social and political problems coincided with the large-scale urban changes that Paris underwent during Haussmannization; I contend that the concomitance of these events led many Victorians to question the grand narratives of Britain’s superiority and to position Paris as the more physically and socially desirable civic space. I trace this discourse through four novels from the second half of the century—Mary Elizabeth Braddon’s Eleanor’s Victory (1863), Anne Thackeray Ritchie’s Mrs. Dymond (1885), Henry James’ The Princess Casamassima (1886), and Mona Caird’s The Daughters of Danaus (1894)—as well as through travel writing and articles in the British press, arguing that the Parisian street, with its concentrated glow of artificial light, cross-section of classes, public leisure, and inclusion of women, contributed to a discourse of cultural anxiety about Britain’s own technology, urban development, and socio-spatial practice. While the Victorians’ Paris was in part a fictive space, one that appeared more inclusive than the Paris its inhabitants experienced, these perceptions nevertheless forced many Britons to reassess the appearance and function of Britain’s analogous public spaces and also the ideological values—of privacy and interiority, class and gender divisions, public restraint, and social and spatial conservatism—that had contributed to their creation.
Additional file 3 of Spatio-temporal dynamics of bacterial communities in the shoreline of Laurentian great Lake Erie and Lake St. Clair’s large freshwater ecosystems
Creators: name: Shahraki, Abdolrazagh Hashemi
name: Chaganti, Subba Rao
name: Heath, Daniel
Publisher: name: figshare
Year: 2021
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Additional file 3: Supplementary Fig. 3. Bi-weekly variation in the Shannon index for the 6 different sampling locations (CB, CH, HB, LP, PP and SP) over 15 months of sampling (June 2016–August 2017). The X-axis shows time of sampling (bi-weekly sampling).
The HMF model for fermions and bosons
Creators: name: Chavanis, Pierre-Henri
Publisher: name: arXiv
Year: 2010
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the thermodynamics of quantum particles with long-range interactions at T=0. Specifically, we generalize the Hamiltonian Mean Field (HMF) model to the case of fermions and bosons. In the case of fermions, we consider the Thomas-Fermi approximation that becomes exact in a proper thermodynamic limit. The equilibrium configurations, described by the Fermi (or waterbag) distribution, are equivalent to polytropes with index n=1/2. In the case of bosons, we consider the Hartree approximation that becomes exact in a proper thermodynamic limit. The equilibrium configurations are solutions of the mean field Schrödinger equation with a cosine interaction. We show that the homogeneous phase, that is unstable in the classical regime, becomes stable in the quantum regime. This takes place through a first order phase transition for fermions and through a second order phase transition for bosons where the control parameter is the normalized Planck constant. In the case of fermions, the homogeneous phase is stabilized by the Pauli exclusion principle while for bosons the stabilization is due to the Heisenberg uncertainty principle. As a result, the thermodynamic limit is different for fermions and bosons. We point out analogies between the quantum HMF model and the concepts of fermion and boson stars in astrophysics. Finally, as a by-product of our analysis, we obtain new results concerning the Vlasov dynamical stability of the waterbag distribution.
Why Time is of the Essence When You're Arrested for DUI
Creators: name: Gordon, Stephanie
Publisher: name: figshare
Year: 2023
Subjects: Criminal law

description: If you are arrested for DUI, it pays to remember that time is of the essence. The sooner you seek the help of a competent DUI lawyer, the better. While you can use your citation as a temporary driver's license for ten days, to continue driving, you need to file a notice to challenge the administrative suspension of your driving privileges within ten days.
"Our Primate Materials" Robert M. Yerkes and the Introduction of the Primate to Problems of Human Betterment in the American Eugenics Movement
Creators: name: Garcia-Feehan, Caitlin Marie
Publisher: name: Purdue University Graduate School
Year: 2023
Subjects: North American history
History and philosophy of medicine
History and philosophy of science

description: My thesis examines how eugenicist and psychologist Robert M. Yerkes’ experimental intelligence research helped to situate the non-human primate as the ideal research subject for human betterment research in the twentieth century U.S. Yerkes believed that the primate was the ideal research subject to address questions of human betterment and social welfare, specifically best to create methods of evaluating the imagined threat of intellectual disability. While Yerkes has been studied extensively in the history of psychology, primatology, and eugenics, rarely have his separate contributions to these fields been placed in conversation with one another. Placing the primate at the center of Yerkes’ work allows for all three fields to engage with one another in a new perspective. By analyzing Yerkes’ publications about the Multiple-Choice Experiment within the context of the American eugenics’ movement, we can see how the primate came to hold a central position in U.S. scientific research, the advancement of human welfare and betterment, and as a means of defining what it means to be human. This story offers a glimpse into this longer process of how the primate came to occupy this position, but even a glimpse offers historians of the American eugenics’ movement new questions. What was the role of the non-human animal in the formulation of American eugenic theories? How have we historically used the natural world in our attempts to separate ourselves from it? And can we truly reconcile a history with eugenics if we continue to ignore the role of animals within it, they who today exist unquestionably within the status of the sub-human?
Death and the illustrated book : printers, experimentation and the reinvention of the Danse macabre, 1485-c.1530s
Creators: name: Dujakovic, Maja
Publisher: name: University of British Columbia
Year: 2016

description: This thesis considers the adaptation of the Danse macabre (Dance of Death), a popular late medieval visual and literary theme prevalent in mural paintings, into a series of illustrated books published in France towards the end of the fifteenth century. While the first known edition, printed in Paris in 1485 by Guy Marchant, was based on the famous and now destroyed mural from the Cemetery of the Holy Innocents (painted 1424-25), subsequent editions published by presses in Paris, Lyons, Troyes and Geneva included additional figures and often placed the theme together with other texts and images of similar subject matter thus framing the Danse macabre in a novel context. Despite this, however, previous scholarship has treated the books mainly as replicas of the lost mural and overlooked their status as inventive works of art. Nor have the extant editions been studied in detail even though they vary considerably in terms of content, layout and medium, all of which has an effect on how the theme is presented in each book. By studying the series within the context of early printing in France, the thesis situates the books in the transitional period of bookmaking, from scribal to printing culture, and argues that they were a product of collaboration and experimentation among some of the most prolific printers and publishers of the period, including Marchant, Antoine Vérard and Mathias Husz. In discussing their printing practices, the thesis emphasizes the crucial role the printers had in editing the work and reinventing the theme. The late fifteenth century in France was also marked by an unprecedented exchange of artistic practices across multiple media, facilitated in part by the proliferation of the printed works, which became the locus for diffusion of images and ideas. In this context, the Danse macabre books helped to popularize the late medieval theme and even served as the model for mural paintings and an illuminated manuscript. Ultimately, the thesis reveals not only that the books are distinctive and innovative works, but also that they participated in a much broader scope of image production than previously assumed.
Accretion among preplanetary bodies: the many faces of runaway growth
Creators: name: Ormel, C. W.
name: Dullemond, C. P.
name: Spaans, M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: (abridged) When preplanetary bodies reach proportions of ~1 km or larger in size, their accretion rate is enhanced due to gravitational focusing (GF). We have developed a new numerical model to calculate the collisional evolution of the gravitationally-enhanced growth stage. We validate our approach against existing N-body and statistical codes. Using the numerical model, we explore the characteristics of the runaway growth and the oligarchic growth accretion phases starting from an initial population of single planetesimal radius R_0. In models where the initial random velocity dispersion (as derived from their eccentricity) starts out below the escape speed of the planetesimal bodies, the system experiences runaway growth. We find that during the runaway growth phase the size distribution remains continuous but evolves into a power-law at the high mass end, consistent with previous studies. Furthermore, we find that the largest body accretes from all mass bins; a simple two component approximation is inapplicable during this stage. However, with growth the runaway body stirs up the random motions of the planetesimal population from which it is accreting. Ultimately, this feedback stops the fast growth and the system passes into oligarchy, where competitor bodies from neighboring zones catch up in terms of mass. Compared to previous estimates, we find that the system leaves the runaway growth phase at a somewhat larger radius. Furthermore, we assess the relevance of small, single-size fragments on the growth process. In classical models, where the initial velocity dispersion of bodies is small, these do not play a critical role during the runaway growth; however, in models that are characterized by large initial relative velocities due to external stirring of their random motions, a situation can emerge where fragments dominate the accretion.
description: Accepted for publication in Icarus