cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A study towards collapse of pile supported bridge foundations in seismically liquefiable soils.
Creators: name: Mohanty, Piyush
Publisher: name: University of Surrey
Year: 2020

description: The behaviour of pile supported bridges in case of liquefaction during the earthquakes is not completely understood as can be seen from the failure of bridges during recent major earthquakes. It has been a recurring observation in most of the failure of pile supported bridges that the middle spans resting on the middle piers collapse, while the abutments and the piers close to them remain stable. Therefore, this study was carried out to investigate the mechanisms behind such midspan collapse of pile supported bridges in liquefiable soil deposits. Firstly, this thesis reports the simplified analytical expression developed to explain the midspan collapse of these bridges. It has been found that for the simply supported bridges, where each of the pier acts independently of the other, the natural period of the piers elongates in case of liquefaction due to increase in the unsupported length of the pile. Due to this process, the central piers of the bridge have higher natural period as compared to the adjacent ones, which in turn induces higher lateral displacement demand on the former. This phenomenon perpetuates differential lateral displacement for the adjacent piers. Hence, if enough seating length is not provided, the span may get unseated. Further, it has also been shown through the detailed case studies of collapse of around six bridges in various different earthquakes across the globe that this failure due to effects related to elongation of natural period of the piers can also make a bridge susceptible to fail in case of liquefaction, along with the other failure mechanisms. Further, it has been observed through the shake table tests that the natural frequency of the various pile supported piers of the bridge reduces during the course of liquefaction, with the central pier attaining the lowest natural frequency among all. Due to the increase in the flexibility of central pile owing to liquefaction, the maximum bending moment is observed at a shallower depth of pile, rather than at the interface of liquefied-nonliquefied soil. However, for the abutment piles, where the effect of lateral spreading is more as compared to any other piers, it has been found that the maximum bending moment is located at a section at the interface of liquefied-nonliquefied soil. Therefore, the design of piles for various bridge supports should be designed appropriately.
Combined Effects of Impervious Surface Change and Large-Scale Afforestation on the Surface Urban Heat Island Intensity of Beijing, China Based on Remote Sensing Analysis
Creators: name: Yao, Na
name: Huang, Conghong
name: Yang, Jun
name: Konijnendijk, C. C. (Cecil C.)
name: Ma, Lvyi
name: Jia, Zhongkui
Publisher: name: Multidisciplinary Digital Publishing Institute
Year: 2020

description: Urban heat island (UHI) attenuation is an essential aspect for maintaining environmental sustainability at a local, regional, and global scale. Although impervious surfaces (IS) and green spaces have been confirmed to have a dominant effect on the spatial differentiation of the urban land surface temperature (LST), comprehensive temporal and quantitative analysis of their combined effects on LST and surface urban heat island intensity (SUHII) changes is still partly lacking. This study took the plain area of Beijing, China as an example. Here, rapid urbanization and a large-scale afforestation project have caused distinct IS and vegetation cover changes within a small range of years. Based on 8 scenes of Landsat 5 TM/7ETM/8OLI images (30 m × 30 m spatial resolution), 920 scenes of EOS-Aqua-MODIS LST images (1 km × 1 km spatial resolution), and other data/information collected by different approaches, this study characterized the interrelationship of the impervious surface area (ISA) dynamic, forest cover increase, and LST and SUHII changes in Beijing’s plain area during 2009–2018. An innovative controlled regression analysis and scenario prediction method was used to identify the contribution of ISA change and afforestation to SUHII changes. The results showed that percent ISA and forest cover increased by 6.6 and 10.0, respectively, during 2009–2018. SUHIIs had significant rising tendencies during the decade, according to the time division of warm season days (summer days included) and cold season nights (winter nights included). LST changes during warm season days responded positively to a regionalized ISA increase and negatively to a regionalized forest cover increase. However, during cold season nights, LST changes responded negatively to a slight regionalized ISA increase, but positively to an extensive regionalized ISA increase, and LST variations responded negatively to a regionalized forest cover increase. The effect of vegetation cooling was weaker than ISA warming on warm season days, but the effect of vegetation cooling was similar to that of ISA during cold season nights. When it was assumed that LST variations were only caused by the combined effects of ISA changes and the planting project, it was found that 82.9% of the SUHII rise on warm season days (and 73.6% on summer days) was induced by the planting project, while 80.6% of the SUHII increase during cold season nights (and 78.9% during winter nights) was caused by ISA change. The study presents novel insights on UHI alleviation concerning IS and green space planning, e.g., the importance of the joint planning of IS and green spaces, season-oriented UHI mitigation, and considering the thresholds of regional IS expansion in relation to LST changes.
Interrelazioni e commistioni nella Sicilia nord-occidentale di età arcaica: i contesti funerari come indicatori archeologici
Creators: name: Spatafora, Francesca
Publisher: name: Aristonothos. Scritti per il Mediterraneo antico
Year: 2012

description: Forthcoming.
description: Aristonothos. Scritti per il Mediterraneo antico, No 7 (2012): Convivenze etniche, scontri e contatti di culture in Sicilia e Magna Grecia
Congestion control using efficient explicit feedback
Creators: name: Qazi, Ihsan Ayyub
name: Znati, Taieb
name: Andrew, Lachlan L. H.
Publisher: name: Swinburne
Year: 2024

description: This paper proposes a framework for congestion control, called Binary Marking Congestion Control (BMCC) for high bandwidth-delay product networks. The basic components of BMCC are i) a packet marking scheme for obtaining high resolution congestion estimates using the existing bits available in the IP header for Explicit Congestion Notification (ECN) and ii) a set of load-dependent control laws that use these congestion estimates to achieve efficient and fair bandwidth allocations on high bandwidth-delay product networks, while maintaining a low persistent queue length and negligible packet loss rate. We present analytical models that predict and provide insights into the convergence properties of the protocol. Using extensive packet-level simulations, we assess the efficacy of BMCC and perform comparisons with several proposed schemes. BMCC outperforms VCP, MLCP, XCP, SACK+RED/ECN and in some cases RCP, in terms of average flow completion times for typical Internet flow sizes.
Effect of Forest Certification on International Trade in Forest Products
Creators: name: Chen, Jiaojiao
name: Wang, Lanhui
name: Li, Lingchao
name: Magalhães, Juliana
name: Song, Weiming
name: Lu, Wenming
name: Xiong, Lichun
name: Chang, Wei-Yew
name: Sun, Yujun
Publisher: name: Multidisciplinary Digital Publishing Institute
Year: 2021

description: Forest certification plays an important role in the global trade of legal, sustainably harvested timber. There is no accurate definition of how international forest certification systems impact international trade from a global perspective. This paper is intended to evaluate the influence of forest certification on international trade, so that it can provide a scientific basis for the improvement of the international forest certification systems and for the development of relevant forestry industries in different countries. First, the influence of forest certification on international trade of forest products is explained in the economic model; hence, four hypotheses are put forward. Second, to test these hypotheses, we verify the panel data of bilateral trade and forest certification of all forest products among 67 economies from 2009 to 2018 by incorporating forest certifications into the gravity model. Finally, tests by country groups and product groups were further analyzed, respectively. The results show that: (1) The extended Poisson pseudo maximum likelihood (PPML) estimation solves the problem of the heteroscedasticity and zero trade value problems of the gravity model well in the forest industry. (2) Forest certification has an export competitive effect, a trade barrier effect, as well as common language effect. (3) Forest certification has asymmetric trade effects. The export competitive effect of forest certification in developing countries is greater than that in developed countries. Forest certification has become a trade barrier for developing countries, especially in the process of trade with developed countries. The common language effect is higher during the trade between developed and developing countries. The export competitive effect of wood products is higher than that of furniture products. Forest certification has trade barrier effect on wood products in developing countries, while it has trade barrier effect on furniture products in developed countries.
Occupy Wall Street: An "Imaginative" Exploration of the September, 2011 Protests in New York City
Creators: name: Quintal, Jason
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2015
Subjects: Occupy Wall Street
Sociological Imagination

description: The Occupy Wall Street Movement on September 17, 2011 that involved public protest and the occupation of Zuccotti Park in New York City’s financial district, is an important example of mass public dissent in American history. The conflict that lies at the heart of the protests is between two parties identified in the data as the 99% and the 1%. An abductive, grounded research strategy to explore the language used in interpreting the circumstances and details of the event, is used in conjunction with a theoretical framework provided by C. Wright Mills (1959) and Jock Young (2011), to uncover the motivations behind the 99%’s decision to protest. What is revealed upon completion of the analysis are two broad motivations for public protest by the 99% related to issues of fairness and access, set within an historical context of growing dissent against corrupt economic institutions and the governments that sustain them.
Supplementary document for Unsupervised feature learning and clustering of particles imaged in raw holograms using an autoencoder - 5429088.pdf
Creators: name: Liu, Zonghua
name: Thevar, Thangavel
name: Takahashi, Tomoko
name: Burns, Nicholas
name: Yamada, Takaki
name: Sangekar, Mehul
name: Lindsay, Dhugal
name: Watson, John
name: Thornton, Blair
Publisher: name: Optica Publishing Group
Year: 2021
Subjects: Uncategorized

description: TeX archive
Diagnosing DVT in the Emergency Department: Combining Clinical Predictors, D-dimer and Bedside Ultrasound
Creators: name: Blecher, Gabriel E.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2013
Subjects: ultrasound
diagnostic accuracy
cohort study
prospective
deep vein thrombosis
emergency department

description: I assessed the accuracy of two clinical prediction rules, the d-dimer blood test and point of care ultrasound for diagnosing lower limb deep vein thrombosis. Emergency physicians were trained in ultrasound and prospectively scanned emergency department patients with suspected deep vein thrombosis. Accuracy of the Wells and AMUSE rules and the ultrasound result was compared to radiology-performed ultrasound and a 90-day clinical outcome. Univariate and multivariate analyses were performed assessing which factors were associated with the outcome. The sensitivity and specificity of the Wells score for the clinical outcome was 85.7% and 68.5%; the AMUSE score 85.7% and 54.4%. Ultrasound had a sensitivity of 91.7% and specificity of 91.7% for radiology-diagnosed thrombus and 78.6% and 95.0% for clinical outcome. The odds ratio of a positive outcome with a positive ultrasound was 65.1. After receiving the ultrasound training program, emergency physicians were unable to demonstrate sufficient accuracy to replace current diagnostic strategies.
Assessing the Effect of Selenium on the Life-cycle of Two Aquatic Invertebrates: 'Ceriodaphnia dubia' and 'Chironomus dilutus'
Creators: name: Jatar, Muriel M.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2013
Subjects: Aquatic Toxicology
Selenium
Bioconcentration
Dietary Exposure

description: Runoff and effluent discharge from mining activities has resulted in elevated concentrations of selenium in aquatic ecosystems. Bioavailability is dependent on chemical speciation. Although dissolved inorganic Se species are not directly toxic to organisms, uptake by primary producers and subsequent biotransformation to organo-selenium species substantially increase risk and bioaccumulation potential, potentially impairing reproduction in high-order organisms. The effects of dietary selenium exposure were assessed in two aquatic invertebrates: Ceriodaphnia dubia and Chironomus dilutus. Two generations of these organisms were exposed to seleniferous algae grown in 0-40 μg L-1 selenate. Dissolved selenate was readily absorbed and concentrated by algal species Pseudokirchneriella subcapitata and Chlorella kesslerii. Se had no effect on survival at treated concentrations. Dietary selenium exposures had little effect on reproductive endpoints in either invertebrate species, suggesting that invertebrates have the ability to regulate chronic Se exposures from dietary sources. These results provide valuable information concerning the effects of dietary selenium in aquatic invertebrates.
Twin deficits in Sri Lanka in the presence of trade liberalisation
Creators: name: Chowdhury, Khorshed
name: Saleh, Ali Salman
Publisher: name: Swinburne
Year: 2024

description: This paper examines the long run and short run relationships between the current account deficit, budget deficit, saving and investment gap and trade openness in Sri Lanka using the Autoregressive Distributive Lagged (ARDL) approach. Time series properties of the variables, in the presence of endogenous structural break, have been analysed by using Additive Outlier (AO) and Innovational Outlier (IO) models of Perron (1997). The empirical analysis supports the Keynesian view that there is a linkage between the current account, budget deficit and saving and investment gap. Trade openness was found to have a positive effect on the current account deficit but was statistically insignificant. Strategies to stabilise the budget deficit and current account deficits are provided in this paper.
Generalized, massively parallel receiver processing for non-orthogonal signal transmissions.
Creators: name: Jayawardena, Chathura
Publisher: name: University of Surrey
Year: 2020

description: The increasing demand for connectivity and throughput, combined with the tight latency requirements of current communication systems, and the existing spectrum limitations, has triggered a paradigm shift towards non-orthogonal signal transmissions where multiple information streams are transmitted using the same time/frequency resources. Despite the promising theoretical gains of such transmissions, the complexity and/or latency requirements of the corresponding receiver processing techniques that are required to translate these gains into throughput make their realization impractical, especially for large numbers of mutually interfering information streams. In addition to the processing complexity/latency increase related to systems’ high dimensionality, the interference matrix of some of the recently proposed non-orthogonal transmission schemes can either be ill-determined or even rank-deficient, making their detection even more challenging. These requirements combined with the saturating speed of processors, motivates a timely requirement for massively parallel processing of such non-orthogonal transmissions. In this context, this thesis introduces a generic, massively parallel and near-optimal processing framework that applies to both well- and ill-determined non-orthogonal systems. In contrast to known approaches, this framework enables practical large uplink multi-user MIMO systems with numbers of concurrently transmitting users that exceed the number of receive antennas by a factor of two or more. In contrast to traditional approaches, the proposed framework, does not require sparse signal transmissions for the detection of non-orthogonal multiple access (NOMA) schemes since it is not based on the “Message Passing” algorithm. Consequently, the proposed framework can enable more efficient NOMA approaches that support more users than existing systems, with better detection performance and practical complexity requirements. In comparison to state-of-the-art detectors for NOMA schemes and non-orthogonal signal waveforms(e.g., Spectrally efficient FDM) the proposed scheme can be up to an order of magnitude less complex and can provide throughput gains of up to 60%.This thesis also introduces a massively parallel soft-input soft-output (SISO) detection design for large MIMO systems capable of bridging the gap between theoretical capacity and achievable throughput, with a processing complexity that can be an order of magnitude lower than that of highly optimized sequential SISO detectors, and a processing latency similar to that of highly sub-optimal, linear, SISO detection approaches. Finally, a massively parallel processing framework is presented that enables extreme grant-free non-orthogonal multiple access. This framework allows reliable and low-overhead user identification and reliable detection/decoding with complexity requirements that can be orders of magnitude lower than existing schemes.
Media Construction of Campus Sexual Assault: A Case Study
Creators: name: Murrizi, Stela
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2015
Subjects: Sexual assault
Crime
Social construction
Media
Rape culture
Claims-making
rape
Sexual violence
Violence against women
Stranger danger

description: Working within a social constructionist paradigm, the focus of this study is on the way in which the social problem of campus sexual assault is constructed and the way in which these constructions determine the proposed solutions. To address the issue, the study focuses on a high-profile case of a violent sexual assault that occurred at Carleton University in the fall of 2007. Drawing upon the work of Joel Best and Donileen Loseke, I approach this issue by focusing on the claims-making activities that emerged in response to this event. Using a mixed methods analysis of newspaper coverage of the event consisting of a quantitative content analysis combined with a more detailed thematic analysis focusing on the specific claims made and the more general themes they reflect, this study analyzes the dominant claims-makers identified by the media, the claims they put forth, and the proposed solutions that follow from their particular constructions of the problem. Results of this analysis illustrate the contested nature of the construction of campus sexual assault as well as the way in which competing discourses reflect features of a broader social discourse relating to crime, individualization, and the responsibilization of women to protect themselves from sexual violence.
A Feasibility Randomised Control Trial of a Cognitive Behavioural Therapy Online Group Intervention to Improve the Psychological Wellbeing of Young People Aged 11-17 with Food Allergy
Creators: name: TALLENTIRE, HOLLY
Publisher: name: University of Surrey
Year: 2022

description: It is well documented that young people living with food allergy can have heightened levels of anxiety and a significant impact on quality of life. Although limited studies have investigated the effectiveness of psychological support for parents of children with food allergy, empirical evidence is sparse for interventions supporting young people’s psychological wellbeing. There is suggestion in the literature of the benefits of a cognitive behavioural based intervention to support this patient group. This study used a randomised controlled trial (RCT) design to investigate the feasibility, acceptability, and preliminary efficacy of a low intensity Cognitive Behavioural Therapy (CBT) group workshop. Participants were a sample of 52 young people aged 11-17 with food allergy and were allocated to either the intervention group or a control group who did not receive an intervention until after the completion of the study. The intervention consisted of two three-hour sessions spaced one-week apart and were facilitated by two trainee clinical psychologists via an online platform. Participants completed measures of food allergy related quality of life, worry, adherence to food allergy self-care behaviours and coping strategies at baseline, one-month and three-months post intervention. Those in the intervention group also completed goal-based outcome measures and a workshop feedback form. Recruitment was successful, justifying a need for psychological support for young people with food allergy. Although attrition did occur at baseline, very few participants were lost to follow-up in each group. There were no demographic differences found between those who dropped out and those who completed the study. For food allergy related quality of life, the impact was reduced in the intervention group compared to the control at both the one-month (Hedges g = 0.70, 95% CI [0.01, 1.40]) and three-month (Hedges g = 1.23, 95% CI [0.51, 1.96]) follow-up. No differences were found on other measures of worry, coping and adherence to food allergy specific self-care behaviours between groups. However, the goal-based outcomes demonstrated trends of improvement towards participants’ subjective goals. Quantitative and qualitative analysis of the workshop feedback form found the intervention to be acceptable and supportive to participants. Overall, the intervention showed promising feasibility, acceptability, and preliminary signals of efficacy. Results are interpreted within the feasibility design and recommendations are made for future research.
Circadian rhythms in adipose cells.
Creators: name: Martin, Capucine
Publisher: name: University of Surrey
Year: 2020

description: Adipose tissues fulfil functions of energy storage and hormone secretion, many of which exhibit daily variations. Literature showed that approximately 20% of the murine adipose transcriptome exhibits daily oscillations, with 2-4% of the transcriptome rhythmic in constant conditions; in humans and mice. A disruption of circadian rhythms is associated with metabolic disturbances such as obesity and metabolic syndrome, highlighting the importance of understanding mechanisms of circadian metabolism. Published work identified energy substrates as biomarkers of insulin resistance and glucose intolerance in humans; hallmarks of obesity and diabetes, with unknown utilisation dynamics in vitro within adipocytes. My thesis aimed to provide a clearer view on circadian adipose biology using molecular, electrophysiological and metabolic approaches. I tested the hypotheses that an endogenous oscillator within pre-adipocytes was driving rhythmic utilisation of carbon sources involved in key metabolic pathways, that electrophysiological parameters in pre-adipocytes exhibited biological variations, and that bioluminescence rhythms of clock genes showed a reduced amplitude and faster damping in adipocytes in comparison to pre-adipocytes. Using 3T3-L1 pre-adipocytes, circadian rhythms of glucose utilisation were confirmed, with an acrophase for the first time demonstrated as similar or anti-phasic to an array of other carbon-based sources utilised in a circadian fashion. Other substrates exhibited steady-state utilisation patterns. Dielectrophoresis potential enabled the determination of circadian rhythms in cellular membrane capacitance, whilst membrane conductance exhibited rhythms of a shorter period. Finally, persistent anti-phasic circadian rhythms of bioluminescence driven by the promoters of Per2 and Bmal1 were characterised in pre-adipocytes and adipocytes, with Per2 pre-adipocytes presenting a higher amplitude than their adipocyte counterpart. These data provide novel understanding of adipose circadian biology, especially revealing circadian rhythmicity of intermediates in key metabolic pathways strongly linked to the development of metabolic diseases. These findings could help explain metabolic pathways disruptions in obesity and related pathologies.
Cosplay and Mental Health: A thematic analysis
Creators: name: YORATH, BETHAN ANN
Publisher: name: University of Surrey
Year: 2022

description: Cosplay – which is defined as the practice of dressing up as a character from a film, book, or video game - is now a world-wide phenomenon, with research suggesting it helps individuals to learn more about themselves whilst also providing an opportunity for development, growth and confidence building. It suggests that cosplay can be beneficial to an individual’s wellbeing, but there is a lack of research considering whether these benefits remain when the individual has a mental health difficulty. The aim of the study is to better understand the impact of cosplaying for people with mental health difficulties, to identify how cosplay impacts on wellbeing, and consider if this may be useful for individuals who find it difficult to engage with classic therapeutic techniques. Data from 8 interviews with people who cosplay and identify as having mental health difficulties were thematically analysed. Two main themes were developed: 1) Motivation for cosplaying, which provides context that has shaped the experience of the individuals interviewed, and 2) A More Confident and Empowered Me, which looks more closely at the aspects of cosplay that helped the psychological wellbeing of the participants both whilst in cosplay, and more long term. This theme is divided into 4 sub themes: Attention and Validation, Skill Learning and Achievement, Social Connectedness and Interactions and Choosing Who To Be. The discussion considers how these experiences that created change can be understood through psychological theory and considers how they could potentially be used to increase the effectiveness of psychological therapies.
title: Polish schoolchildren in post-Brexit England
title: Performativities, identities, and sense of belonging
titleType: Subtitle
Creators: name: Bogossian Porto, Thi
Publisher: name: University of Surrey
Year: 2024
Subjects: migrant children
Polish children
transnationalism
belonging
ethnic identity
school climate
Cultural Diversity
Migration

description: This PhD thesis provides a comprehensive exploration of Polish children's experiences in post-Brexit England, offering insights into their ethnic identities, transnational connections, and their perceptions of their school environment, and into the experiences of white, migrant children more broadly. Employing a symbolic interactionist-inspired framework, an immersive ethnographic approach and a ‘palette’ of child-centred, creative methods the research reveals that ethnic identity is a dynamic, performative process shaped by intricate social interactions. Within the educational context, the study emphasises the influential role of school climate in shaping the experiences and identities of these young migrants. In inclusive, diverse school environments, they find a sense of belonging, experience tolerance, and foster respect. Their school becomes a refuge against external societal challenges, providing a supportive atmosphere for their growth and development. In this environment, these children exhibit remarkable adaptability and resilience as they navigate the complexities of their dual identities, rejecting a binary notion in favour of a multifaceted, processual journey. Notably, the materiality of their transnational identity emerges as a critical theme. The physical ties these children maintain with their Polish heritage, encompassing connections to the land, weather, pets, and traditional food, play a pivotal role in defining their sense of belonging. However, the disruption of visits to their home country due to events like Brexit underscores the fragility of these transnational connections. In essence, this research provides a deep understanding of the lives of Polish children in post-Brexit England, reflecting the current socio-political context. It emphasises the significance of inclusive school environments, uncovers the performative nature of ethnic identity, and underscores the materiality of their connections to their heritage country. This study offers vital insights into the experiences of ethnic minority and migrant children in the evolving landscape of post-Brexit England, with practical implications for policy and education.
Hierarchical Pooling Structure for Weakly Labeled Sound Event Detection
Creators: name: He, Ke-Xin
name: Shen, Yu-Han
name: Zhang, Wei-Qiang
Publisher: name: arXiv
Year: 2019
Subjects: subject: Sound (cs.SD)
subject: Audio and Speech Processing (eess.AS)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Sound event detection with weakly labeled data is considered as a problem of multi-instance learning. And the choice of pooling function is the key to solving this problem. In this paper, we proposed a hierarchical pooling structure to improve the performance of weakly labeled sound event detection system. Proposed pooling structure has made remarkable improvements on three types of pooling function without adding any parameters. Moreover, our system has achieved competitive performance on Task 4 of Detection and Classification of Acoustic Scenes and Events (DCASE) 2017 Challenge using hierarchical pooling structure.
The Proto-eucharistic Pericopes of the New Testament: A Canonical Approach
Creators: name: Johnson, Claire A.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2012
Subjects: Eucharist
Brevard Childs
Canonical Approach
Canonical Criticism
Institution Narratives
Bread of Life Discourse
Sarx
Soma
Haima
Flesh
Body
Blood
Spiritual Nourishment
Food
Sacrifice
Thanksgiving
Ecclesial
Knowledge
Typology
Union with Christ

description: That the Eucharist is understood to be vital to the life of both the individual and the church is evidenced in the writings of the New Testament, of the Fathers of the church, and of theologians throughout the centuries. For the Roman Catholic church, the Eucharist is, the “source and summit” for the life of the church and its members (LG 11; SC 10). Not only does the church find its origins in the Eucharist, but also the Eucharist builds up the Church. Systematic Theology has developed eucharistic theology but exegetical work to date has been piecemeal with no attempt to produce a coherent synthesis of the strands of eucharistic theology found within the New Testament. A survey of the earliest church scholars’ work uncovers a vast number of pericopes used in their writings touching on the Eucharist as well as six regularly recurring themes. The Institution Narratives (Matt 26:26-30; Mark 14:22-26; Luke 22:14-23; 1 Cor 11:23-26) are analysed in order to categorise the eucharistic-allusive texts of the New Testament. The resulting categorisation reveals that John 6:51-59 is most closely connected to the Institution Narratives thus providing five proto-eucharistic pericopes as foundational texts which represent the major early church communities and three strands of eucharistic tradition. Brevard Childs’s Canonical Approach allows the study of these pericopes by building upon data gleaned through a historical-critical study. Using the three lenses of analysis, canonical content, context, and conversation, the approach seeks to understand the relationship of the pericopes to one another, to the individual books, to the New Testament, and to the Old Testament. These lenses honour the close relationship between the pericopes along with their individual emphases, allow the data to be “heard” in a theological manner, and present the biblical theology of the Eucharist as preserved in the New Testament. Today’s believer needs to hold these accounts in view in spite of the tensions among them in order to come to a more complete understanding of the mystery that is the Eucharist. That the six themes identified in the early church writings are uncovered through the Canonical Approach honours our common heritage.
Stochastic quantization associated with the $\exp(Φ)_2$-quantum field model driven by space-time white noise on the torus
Creators: name: Hoshino, Masato
name: Kawabi, Hiroshi
name: Kusuoka, Seiichiro
Publisher: name: arXiv
Year: 2019
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We consider a quantum field model with exponential interactions on the two-dimensional torus, which is called the $\exp (Φ)_{2}$-quantum field model or Høegh-Krohn's model. In the present paper, we study the stochastic quantization of this model by singular stochastic partial differential equations, which is recently developed. By the method, we construct a unique time-global solution and the invariant probability measure of the corresponding stochastic quantization equation, and identify with an infinite-dimensional diffusion process, which has been constructed by the Dirichlet form approach.
description: To appear in Journal of Evolution Equations
Effect of Glucose on Human Adipogenesis and its Regulation by Macrophages
Creators: name: Peshdary, Vian
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2016
Subjects: glucose
adipocyte
preadipocyte
macrophage

description: Adipose tissue expands via differentiation of preadipocytes into adipocytes (adipogenesis) and/or hypertrophy of existing adipocytes. A low adipogenic capacity promotes adipocyte hypertrophy, causing inflammatory macrophage accumulation and insulin resistance. Macrophage-conditioned medium (MacCM) inhibits adipogenesis and promotes adipocyte inflammation, but it is unknown if these effects are altered by high glucose (HG) versus normal glucose (NG) concentrations. The effect of HG on adipogenesis was assessed. Human subcutaneous abdominal preadipocytes were induced to differentiate in HG or NG conditions. HG did not affect adipogenesis. HG increased ChREBP-β mRNA and protein levels, and increased GLUT4 mRNA, in differentiated adipocytes. It did not change mRNA levels of ACC, SCD, and FAS. The increase in ChREBP-β mRNA was positively correlated with HG-induced increase in GLUT4 mRNA. The effect of HG-MacCM versus NG-MacCM on human adipogenesis and adipocyte inflammation was compared. Human monocyte-derived macrophages (MDM) were placed in NG or HG glucose for 24 hours to generate MacCM. HG-MacCM, but not NG-MacCM inhibited triacylglycerol accumulation and protein expression of PPARγ during human adipogenesis. Preadipocytes differentiated in HG-MacCM displayed a more pro-inflammatory phenotype, as assessed by increased MCP-1 and IL-6 and reduced adiponectin mRNA expression. HG increased phosphorylation of IKK-β and decreased protein expression of IκBα in MDMs. In addition, HG reduced protein expression of PPARγ in MDMs. The pro-inflammatory effect of HG-MacCM on MCP-1 expression in adipocytes was partially inhibited when MDMs were treated with sc-514 (IKKβ inhibitor). My data demonstrate that HG-induced expression of ChREBP-β in adipocytes may be associated with increased GLUT4 mRNA. The anti-adipogenic and pro-inflammatory effects of HG-MacCM are more potent than NG-MacCM. This suggests the possibility that adipose tissue cellular remodeling in vivo may be altered with hyperglycemia.
Characterizing the interplay between information and strength in Blotto games
Creators: name: Paarporn, Keith
name: Chandan, Rahul
name: Alizadeh, Mahnoosh
name: Marden, Jason R.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Computer Science and Game Theory (cs.GT)
subject: Systems and Control (eess.SY)
subject: Optimization and Control (math.OC)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Mathematics

description: In this paper, we investigate informational asymmetries in the Colonel Blotto game, a game-theoretic model of competitive resource allocation between two players over a set of battlefields. The battlefield valuations are subject to randomness. One of the two players knows the valuations with certainty. The other knows only a distribution on the battlefield realizations. However, the informed player has fewer resources to allocate. We characterize unique equilibrium payoffs in a two battlefield setup of the Colonel Blotto game. We then focus on a three battlefield setup in the General Lotto game, a popular variant of the Colonel Blotto game. We characterize the unique equilibrium payoffs and mixed equilibrium strategies. We quantify the value of information - the difference in equilibrium payoff between the asymmetric information game and complete information game. We find information strictly improves the informed player's performance guarantee. However, the magnitude of improvement varies with the informed player's strength as well as the game parameters. Our analysis highlights the interplay between strength and information in adversarial environments.
description: 8 pages, 2 figures. Accepted for presentation at 58th Conference on Decision and Control (CDC), 2019
Experimental Investigation of Detonation Re-initiation Mechanisms Following a Mach Reflection of a Quenched Detonation
Creators: name: Bhattacharjee, Rohit Ranjan
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2013
Subjects: Time resolved Schlieren photography
Reactive Mach Reflection
Gaseous detonation waves
Mach jet
Amplification mechanism

description: Detonation waves are supersonic combustion waves that have a multi-shock front structure followed by a spatially non-uniform reaction zone. During propagation, a de-coupled shock-flame complex is periodically re-initiated into an overdriven detonation following a transient Mach reflection process. Past researchers have identified mechanisms that can increase combustion rates and cause localized hot spot re-ignition behind the Mach shock. But due to the small length scales and stochastic behaviour of detonation waves, the important mechanisms that can lead to re-initiation into a detonation requires further clarification. If a detonation is allowed to diffract behind an obstacle, it can quench to form a de-coupled shock-flame complex and if allowed to form a Mach reflection, re-initiation of a detonation can occur. The use of this approach permits the study of re-initiation mechanisms reproducibly with relatively large length scales. The objective of this study is to experimentally elucidate the key mechanisms that can increase chemical reaction rates and sequentially lead to re-initiation of a de-coupled shock-flame complex into an overdriven detonation wave following a Mach reflection. All experiments were carried out in a thin rectangular channel using a stoichiometric mixture of oxy-methane. Three different types of obstacles were used - a half-cylinder, a roughness plate along with the half-cylinder and a full-cylinder. Schlieren visualization was achieved by using a Z-configuration setup, a high speed camera and a high intensity light source. Results indicate that forward jetting of the slip line behind the Mach stem can potentially increase combustion rates by entraining hot burned gas into unburned gas. Following ignition and jet entrainment, a detonation wave first appears along the Mach stem. The transverse wave can form a detonation wave due to rapid combustion of unburned gas which may be attributed to shock interaction with the unburned gas. Alternatively, the Kelvin-Helmholtz instability can produce vortices along the slipline that may lead to mixing between burned-unburned gases and potentially increase combustion rates near the transverse wave. However, the mechanism(s) that causes the transverse wave to re-initiate into a detonation wave remains to be satisfactorily resolved.
Comparison theorems on H-type sub-Riemannian manifolds
Creators: name: Baudoin, Fabrice
name: Grong, Erlend
name: Rizzi, Luca
name: Vega-Molino, Sylvie
Publisher: name: arXiv
Year: 2019
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C17

description: On H-type sub-Riemannian manifolds we establish sub-Hessian and sub-Laplacian comparison theorems which are uniform for a family of approximating Riemannian metrics converging to the sub-Riemannian one. We also prove a sharp sub-Riemannian Bonnet-Myers theorem that extends to this general setting results previously proved on contact and quaternionic contact manifolds.
description: Final version, to appear on Calc. Var. Partial Differential Equations
The embodied gazes of young Chinese independent travellers and professional hosts : a performance perspective.
Creators: name: Kimber, Simon
Publisher: name: University of Surrey
Year: 2020

description: The development of tourism in China is a relatively recent and rapidly evolving phenomenon This study focusses on one expanding and diversifying group, that of young Chinese independent or self-organised travellers. Despite some initial studies, relatively little is known about this rapidly growing group of travellers, many of whom share the characteristics of both backpackers and independent travellers. Even less is known about the gazes of professional hosts on this emerging group of Chinese tourists. This PhD’s consideration of ‘gazing’ and ‘performing’, aims to provide new conceptual and empirical understandings into young Chinese independent travellers and professional hosts. Young independent Chinese travellers are increasingly visiting Pai, a small town in northern Thailand, in part influenced by the popularity of the 2009 Thai movie ‘Pai in Love’. Drawing upon participant observation and in-depth interviews of Chinese travellers and Thai hosts, the findings reveal that tourist photography is central to Chinese tourism in Pai, with many performances revolving around the creation of online self-identities of prosperity and globalisation, love and alternative social identities. Most host performances were restricted to host-guest service encounters and were often habitual, highly scripted and shaped by cultural values. Gaze wise, many Chinese gazes were shallow and highly influenced by media and cinematic representations of Thailand. In contrast, Thai professional host gazes were often rigorous and penetrating, and for those hosts who had no real meaningful contact with tourists, highly influenced by their corporeal proximity to the embodied actions of Chinese travellers. This is the first study to consider both performing and gazing alongside each other, and along with consideration of affordances, provides new insights into young Chinese tourism consumption, particularly the extent to which it is influenced by social media, online guides and place ‘myths’. This study also attempts to challenge some of the ethnocentric basis of tourism theory by seeking to challenge some of the modernist and Western assumptions that still theoretically dominate.
Time-stretch infrared spectroscopy
Creators: name: Kawai, Akira
name: Hasihmoto, Kazuki
name: Badarla, Venkata Ramaiah
name: Imamura, Takayuki
name: Ideguchi, Takuro
Publisher: name: arXiv
Year: 2019
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Improving spectral acquisition rate of broadband mid-infrared spectroscopy promises further advancements of molecular science and technology. Unlike the pump-probe spectroscopy that requires repeated measurements with different pump-probe delays, continuous spectroscopy running at a high spectral acquisition rate enables transient measurements of rapidly changing non-repeating phenomena or statistical analysis of a large amount of spectral data acquired within a short time. Recently, Fourier-transform infrared spectrometers (FT-IR) with rapid delay scan mechanisms including dual-comb spectrometers have significantly improved the measurement rate up to ~1 MSpectra/s that is fundamentally limited by the signal-to-noise ratio. Here, we overcome the limit and demonstrate the fastest continuous broadband vibrational spectrometer running at 80 MSpectra/s by implementing wavelength-swept time-stretch spectroscopy technique in the mid-infrared region. Our proof-of-concept experiment of the time-stretch infrared spectroscopy (TS-IR) demonstrates broadband absorption spectroscopy of phenylacetylene from 4.4 to 4.9 μm (2040-2270 cm-1) at a resolution of 15 nm (7.7 cm-1) with a superior signal-to-noise ratio of 85 without averaging and a shot-to-shot fluctuation of 1.3%.
The Impact of COVID-19 on British Columbia's Children with Medical Complexity and their Families
Creators: name: Baumbusch, Jennifer
name: Lamden-Bennett, Shawna R.
name: Lloyd, Jennifer E. V.
Publisher: name: The University of British Columbia
Year: 2020

description: Between August 4 and September 4, 2020, a web-based survey was conducted with parents/guardians of children with medical complexity (aged 0 to 18 years, inclusive) in British Columbia (BC), Canada. The purpose of the survey was to investigate the impact of the ‘first wave’ of COVID-19 and the associated restrictions on these children and their families.
Label-free biochemical quantitative phase imaging with mid-infrared photothermal effect
Creators: name: Tamamitsu, Miu
name: Toda, Keiichiro
name: Shimada, Hiroyuki
name: Honda, Takaaki
name: Takarada, Masaharu
name: Okabe, Kohki
name: Nagashima, Yu
name: Horisaki, Ryoichi
name: Ideguchi, Takuro
Publisher: name: arXiv
Year: 2019
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Label-free optical imaging is valuable in biology and medicine with its non-destructive property and reduced optical and chemical damages. Quantitative phase (QPI) and molecular vibrational imaging (MVI) are the two most successful label-free methods, providing morphology and biochemistry, respectively, that have pioneered numerous applications along their independent technological maturity over the past few decades. However, the distinct label-free contrasts are inherently complementary and difficult to integrate due to the use of different light-matter interactions. Here, we present a unified imaging scheme that realizes simultaneous and in-situ acquisition of MV-fingerprint contrasts of single cells in the framework of QPI utilizing the mid-infrared photothermal effect. The fully label-free and robust integration of subcellular morphology and biochemistry would have important implications, especially for studying complex and fragile biological phenomena such as drug delivery, cellular diseases and stem cell development, where long-time observation of unperturbed cells are needed under low phototoxicity.