VictorJuiz/thesis huggingface dataset:
"Is she forbidden or permitted?" (bSanhedrin 82a): A Legal Study of Intermarriage in Classical Jewish Sources
Keywords: Intermarriage
Rabbinics
Jewish Law
Judaism

This legal comparative study explores the nature and development of rabbinic thought on intermarriage. One could hardly phrase the query that lies at the heart of this work better than the Talmud itself: "Is she forbidden or permitted?" (bSanhedrin 82a). This challenge, posed to Moses as part of an exegetical exploration of the problem of intermarriage, asks so much more than whether an Israelite might marry a Gentile. It points to conflicts between biblical law and narrative, biblical and rabbinic law, as well as incompatibilities within rabbinic halakhah. The issues of status, national identity and gender loom large as the various legal and narrative sources on intermarriage are set on an hermeneutic collision course. In this way many rabbinic sources display a deep understanding of the complexity inherent to any discussion of intermarriage in rabbinic tradition. Considering intermarriage as a construct that lies at the intersection between identity and marital rules, we begin this study of rabbinic legal systems with an analysis of the notion of intramarriage and Jewish identity in halakhah as expressed through the system of the asarah yuchasin (ten lineages). Discussion of various systems dealing with intermarriage follows, including qiddushin (Jewish betrothal/marriage) and the status of the offspring of intermarriage, the concept of the qahal (congregation of God), the arayot (levitical incest laws) as well as the individual legal rules related to marriage and sexual relations between Jews and Gentiles. The role of narrative in the representation of case law and rabbinic engagement with these legal systems forms an integral part of our analysis of the law. The overall conclusion of the dissertation is that rabbinic approaches to intermarriage were characterized by multiplicity and diversity. Rabbinic tradition engaged with the issue of intermarriage through a wide variety of often unrelated and incompatible legal systems. Furthermore, it is apparent that conflicting attitudes towards the interpretation and implementation of these rules are represented in both tannaitic (c. 70-200 C.E.) and amoraic sources (c. 200-500 C.E.), such that several key problems related to intermarriage in early rabbinic tradition remain unresolved.
Planning, Design and Scheduling of Flex-route Transit Service
Keywords: Flex-Route Transit Service
Transit Scheduling
Constraint Programming

The rapid expansion of low-density suburban areas in North America has led to new travel patterns that require transit services to be more flexible. Flex-Route transit service, which combines fixed-route transit service with elements of demand-responsive transit service, has emerged as a viable transit option to address the travel needs of the residents of these areas. Existing literature in this field, however, is limited and lacks any comprehensive analysis of Flex-Route planning, design and scheduling. This research aims at exploring Flex-Route transit service to provide detailed guidelines for the planning and design of the service, as well as developing a new scheduling system for this type of unique service. Accordingly, the objectives of this research are: assessing the practicality of Flex-Route transit service in serving low-density suburban areas; identifying essential Flex-Route planning steps and design parameters; determining the feasibility and cost of replacing fixed-route transit with Flex-Route service; and developing a Flex-Route-specific dynamic scheduling system that relies on recent developments in computer and communication technologies. In this regard, we develop an analytical model that addresses several design parameters and provide a detailed analysis that includes, among other parameters, finding optimal values for Flex-Route service area and slack time. Furthermore, the analytical model includes a feasibility and cost analysis that estimates the cost incurred by several stakeholders if Flex-Route service is chosen to replace fixed-route service. The core of the scheduling system is a new developed algorithm – the Constrained-Insertion Algorithm- that exploits the powerful search techniques of Constraint Programming. The scheduling system can handle the daily operations of Flex-Route transit services; it accepts daily (or dynamic) inputs and, in minimal time, produces very cost-effective and reliable schedules. Moreover, the scheduling system has the ability to be used as simulation tool to allow transit operators to assess the feasibility and performance of proposed Flex-Route transit services before implementation. The applicability of the analytical model as well as the performance of the scheduling system were subsequently evaluated and validated through process that included testing on a case study in the City of Oakville, Canada.
Oral Health Related Quality of Life Outcomes of Orthodontics in Children
Keywords: quality of life
oral health related quality of life
health related quality of life
oral impacts on daily performance
psychosocial outcomes
psychological wellbeing
social wellbeing
emotional wellbeing
wellbeing
self esteem
child perception
patient reported outcomes
orthodontic treatment
orthodontics
malocclusion
dental aesthetics
dental aesthetic index
oral health
prospective study
longitudinal evaluation
adolescents
children

Contemporary conceptual models of health emphasize the importance of patient-based outcomes and recognize the complexity involved in their assessment. Various health conditions, personal, social, and environmental factors, are all thought to contribute to individual’s quality of life. However, the impact of orthodontic treatment on Oral Health-related Quality of Life (OH-QOL) outcomes in children has not yet been systematically studied. Hence, this research was planned to assess the effect orthodontic treatment has on pediatric OH-QOL outcomes. Further, the important moderational role of children’s psychological assets on OH-QOL reports is explored. Following completion of a preliminary study to confirm the psychometric properties of the Child Perception Questionnaire (CPQl1-14), the current two-phase study was undertaken. This consisted of a cross-sectional study examining the relationship among Self-Esteem (SE), malocclusion, and OH-QOL, and a longitudinal study examining the influence of orthodontics and children’s Psychological Wellbeing (PWB) on OH-QOL reports. This PhD dissertation is presented in the “Publishable Style”. The journals which hold the copyrights for the papers published from this thesis have given permission for the reproduction of the text and figures for this dissertation. The preliminary data confirmed that the CPQ11-14 is sensitive to change when used with children receiving orthodontic treatment. Our cross-sectional findings indicated that the impact of malocclusion on OH-QOL is substantial in children with low SE and identified SE as a salient determinant of OH-QOL in children seeking orthodontic treatment. Longitudinal data, on the other hand, detected significant improvement of OH-QOL outcomes after orthodontic treatment. As postulated, these improvements were most evident for the social and emotional domains of OH-QOL. However, covariate analysis emphasized the important role psychological factors play in moderating OH-QOL reports, as children with better PWB were more likely to report better OH-QOL regardless of their orthodontic treatment status. These results substantiate the validity of contemporary models of patient-based outcomes linking biological, personal, social, and environmental factors. Researchers and clinicians are encouraged to adopt this forward thinking approach when dealing with children with oro-facial conditions. Further studies with larger samples and longer follow-ups would be of value to expand on these findings.
Adolescents' Disclosure and Advice-seeking Behavior About Peer Dilemmas: Characteristics, Maternal Parenting Predictors, and Adolescent Social Outcomes
Keywords: parenting
adolescence

The goals of this study were 1) to examine the features of adolescents’ disclosure and advice-seeking behavior about peer dilemmas; and 2) to examine the maternal parenting predictors of disclosure and advice-seeking behavior and the adolescent social correlates of these behaviors. Further, this study sought to examine adolescent advice-seeking as a potential mediator of the relations between maternal parenting characteristics and adolescent social outcomes (friendship quality and interpersonal competence). One hundred and one mother-child dyads were assessed when the children were approximately 10-12 years of age (M = 11.0) and 74 were re-assessed when the children were approximately 12-14 years of age (M = 12.8). Mothers provided reports of their parenting characteristics at Time 1 and Time 2, while adolescents provided reports of their disclosure at Time 1, and disclosure, advice-seeking, personality and social outcomes at Time 2. Results showed the adolescents disclosed and sought advice from their mothers moderately often across a variety of situations involving their close friends. The reasons adolescents chose to disclose, not disclose, and seek advice were discussed. Regression analyses showed that neither mothers’ positive nor their negative parenting characteristics were predictors of adolescent disclosure. Mothers’ positive parenting characteristics (including perspective-taking, warmth and positive responsiveness to children’s negative emotions) did significantly predict adolescent advice-seeking, for girls but not boys, after controlling for adolescent personality and maternal interpersonal competence. With respect to adolescent social outcomes, adolescent advice-seeking was significantly related to friendship quality, but not interpersonal competence, after controlling for adolescent personality and disclosure. There was no evidence for the role of advice-seeking as a mediator of the relations between parenting and adolescent social outcomes. The implications of these findings are discussed in terms of the importance of determining the conditions that encourage adolescents to seek advice from their parents when they encounter difficult situations involving their friends, and the value parental advice has for adolescent social success.
Characterization of Quantum States of Light
Keywords: Quantum optics
Quantum state tomography
Quantum state estimation
Quantum indistinguishability

I present a series of experimental and theoretical advances in the field of quantum state estimation. Techniques for measuring the quantum state of light that were originally developed for distinguishable photons fail when the particles are indistinguishable. I develop new methods for handling indistinguishability in quantum state estimation. The technique I present provides the first complete description of states of experimentally indistinguishable photons. It allows me to derive the number of parameters needed to describe an arbitrary state and to quantify distinguishability. I demonstrate its use by applying it to the measurement of the quantum polarization state of two and three-photon systems. State characterization is optimal when no redundant information is collected about the state of the system. I present the results of the first optimal characterization of the polarization state of a two-photon system. I show an improved estimation power over the previous state of the art. I also show how the optimal measurements lead to a new description of the quantum state in terms of a discrete Wigner function. It is often desirable to describe the quantum state of a system in terms of properties that are not themselves quantum-mechanical observables. This usually requires a full characterization of the state followed by a calculation of the properties from the parameters characterizing the state. I apply a technique that allows such properties to be determined directly, without a full characterization of the state. This allows one such property, the purity, to be determined in a single measurement, regardless of the size of the system, while the conventional method of determining purity requires a number of measurements that scales exponentially with the system size.
Measurement of the Top Quark Pair Production Cross-section in the Dilepton Channel using Lepton plus Track Selection and Identified b-jets
Keywords: Top
Quark
Cross-section
Dilepton
b-jets
CDF

Using 1.0 fb^{-1} of data collected by the Collider Detector at Fermilab (CDF) from Run II of the Fermilab Tevatron, we measure the top-antitop production cross-section in events with two leptons, significant missing transverse energy, and at least jets, at least one of which is identified as a b-jet. As the Run II dataset grows, more stringent tests of Standard Model predictions for the top quark sector are becoming possible. The dilepton channel, where both top quarks decay t-> W b ->l nu b, is of particular interest due to its high purity. Use of an isolated track as the second lepton significantly increases the dilepton acceptance, at the price of some increase in background, particularly from W + jets events where one of the jets is identified as a lepton. To control the increase in background we add to the event selection the requirement that at least one of the jets be identified as a b-jet, reducing the background contribution from all sources. Assuming a branching ratio of BR(W->l nu) = 10.8% and a top mass of m_top = 175 GeV/c^{2} the measured cross-section is sigma = (10.5 +/- 1.8 stat. +/- 0.8 syst. +/- 0.6 lumi.) pb.
Gene-environment Interactions Underlying the Developmental Origins of Health and Disease
Keywords: physiology

Retrospective epidemiological studies of British cohorts have found an inverse relationship between birth size and rates of mortality from cardiovascular disease and stroke. Subsequently, further studies in humans and in animals have demonstrated that there is an inverse relationship with a combination of suboptimal prenatal and postnatal environments and the development of the metabolic syndrome (insulin resistance, hypertension, obesity and dyslipidemia). However, recently it has been reported that not all individuals exposed to these environments develop these conditions, suggesting that an individual’s genotype may contribute to the eventual outcome. Phylogenetically distinct, murine strains allow the genetic dissection of complex phenotypic traits; however, to date, they have not been utilized to evaluate the gene-environment interaction underlying these inverse relationships. Thus, A/J and C57BL/6J mice were subjected to prenatal undernutrition, to model an adverse intra-uterine environment, and although prenatal undernutrition resulted in fetal growth restriction of equal magnitude, remarkable strain differences were observed. At the end of gestation C57BL/6J mice showed significant alterations in fetal organ weights (liver, kidneys and placenta) and glucocorticoids (elevation). Postnatally, C57BL/6J offspring demonstrated catch-up growth, obesity, impaired glucose tolerance, insulin resistance, increased blood pressure, liver dysfunction and altered cardiovascular function compared to strain and gender matched controls. The A/J strain was resistant to the development of prenatal and postnatal pathologies, except they also demonstrated alterations in cardiovascular function. Females of both strains displayed a more moderate phenotype than the males. Although feeding undernutrition mice an atherogenic diet postnatally did not exacerbate the phenotype, postnatal dietary supplementation of omega-3 long chain unsaturated fatty acids completely reversed the undernutrition induced altered metabolic phenotype in C57BL/6J. Microarray analysis revealed that adult A/J and C57BL/6J mice have distinct gene expression profiles, under control dietary conditions, and that this differential strain expression profile changes in adult offspring in response to prenatal undernutrition. The expression profiles predicted onset of metabolic and liver diseases within the C57BL/6J strain, clearly linking the observed phenotype to alterations in gene expression. These expression differences were also linked to inherent strain differences in the genetic code where a disproportionate number of differential expressed genes had function altering polymorphisms.
Resurrected Bodies: Individual Experiences and Collective Expressions of Organ Transplant in North America
Keywords: organ transplant
religion
anthropology
cultural theory
medical sociology

The dissertation is an ethnographic study of religion as conceived and experienced by organ transplant recipients. It is also a cultural study of North America’s collective expressions of transplant as found in Christian journals, popular media, advocacy literature and public policy statements. The study finds evidence that religious metaphors and directives, cosmological figures and theological arguments, rituals, scriptures and places of worship are actively, vociferously, and consciously engaged with organ transplant discourse and with the experience of giving or receiving organs. While the transplant recipients under study cannot be considered representative (being largely advocates for transplant and almost exclusively of Christian background or affiliation), this group was articulate about the ways their new organ invoked the sacred: they described new metaphysical understandings, they spoke of a closer relationship with God, the universe and other human beings, they divulged inexplicable incidents and mystical states of being, they articulated a complex set of ethical prescripts. “Thinking how many times you should have been dead and you’re still here” was for many an imperative to “start to find out why.” I argue that these spiritual seekers traverse a 21st century terrain shaped by the practices and discourses of what Foucault termed “biopower”. The private and public production of sanctified donors and ‘redeemed’ recipients is inextricably bound to the desires of transplant professionals and government officials, and cannot hope to escape the very real commodification of the body that transplant represents. This seeming paradox of ‘the sacred in the secular’ does not make transplant’s religious constructions inauthentic or irrelevant. Religion remains an active and inventive register for the recording of potent bodily experiences of illness, loss and conditional regeneration. Further, the religious activity around transplant affords a window on emerging rites, on contemporary understandings of death and immortality, and on new conversations about miracles and morality. Circuits of biotechnology are not immune to religious influence and inflection – but, simultaneously, contemporary religious meanings, practices and experiences are indelibly shaped by our newfound ability to transplant organs.
Investigation of Community Dynamics and Dechlorination Processes in Chlorinated Ethane-degrading Microbial Cultures
Keywords: bioremediation
microbial ecology
reductive dechlorination
chlorinated ethanes

The purpose of this research was to investigate the microorganisms, genetics and biochemistry of anaerobic dechlorination of chlorinated ethanes, which are common groundwater contaminants. Specifically, this project used mixed microbial cultures to study the dechlorination of 1,2-dichloroethane (1,2-DCA), 1,1,2-trichloroethane (1,1,2-TCA) and 1,1,1-trichloroethane (1,1,1-TCA). A mixed microbial culture enriched from a contaminated multilayered aquifer in West Louisiana dechlorinated 1,2-DCA, 1,1,2-TCA, tetrachloroethene, trichloroethene, cis-dichloroethene and vinyl chloride (VC) to non-toxic ethene when amended with ethanol as the electron donor. 16S rRNA gene sequence analysis revealed the presence of the putative dechlorinating organisms Dehalobacter and Dehalococcoides spp. Denaturing gradient gel electrophoresis analysis and quantitative PCR (qPCR) with species-specific primers demonstrated that both organisms grew during the dichloroelimination of 1,2-DCA to ethene. Conversely, during the dichloroelimination of 1,1,2-TCA to VC only Dehalobacter grew, while during the reductive dechlorination of VC to ethene only Dehalococcoides grew. Further enrichment with 1,2-DCA, H2 and acetate yielded a co-culture of Dehalobacter and Acetobacterium spp. that did not dechlorinate other chlorinated ethanes or ethenes. Dehalobacter grew in the presence but not in the absence of 1,2-DCA, while Acetobacterium growth was not affected by 1,2-DCA. A novel putative Dehalobacter-associated 1,2-DCA reductive dehalogenase gene was identified and was shown to be transcribed only in the presence of 1,2-DCA. An enrichment microbial culture derived from a 1,1,1-TCA-contaminated site in the northeastern United States was also studied. This culture, referred to as MS, reductively dechlorinated 1,1,1-TCA to 1,1-dichloroethane (1,1-DCA) and then to monochloroethane (CA) when amended with methanol, ethanol, acetate and lactate. 16S rRNA gene sequence analysis revealed the presence of the putative dechlorinating organism Dehalobacter sp., whose growth during 1,1,1-TCA and 1,1-DCA dechlorination was confirmed by qPCR. In the presence of chlorinated ethenes, dechlorination 1,1,1-TCA by the culture MS was slowed, while dechlorination of 1,1-DCA was completely inhibited. Experiments with cell-free extracts and whole cell suspensions of culture MS suggested that chlorinated ethenes have direct inhibitory effects on 1,1,1-TCA reductive dehalogenase(s), while the inhibition of 1,1-DCA dechlorination may be due to effects on non-dehalogenase components of Dehalobacter sp. cells. Additionally, two novel reductive dehalogenase genes associated with 1,1,1-TCA reductive dechlorination were identified.
Photography and Trauma in Photo-fiction: Literary Montage in the Writings of Jonathan Safran Foer, Aleksandar Hemon and W. G. Sebald
Keywords: photo-fiction
visual culture
trauma
photography
Literary Montage
context
media
memory
Jonathan Safran Foer
W. G. Sebald
Aleksandar Hemon

Located on the interstice between Media Studies and Literary Theory, my dissertation explores the emerging genre of photo-fiction -- literary works that incorporate photographic images into the manuscripts -- and its impact on the commemoration of traumatic historical events. I argue that the way we represent and remember historical traumas is dependent on the media in which images emanating from these events are produced and circulated; put differently, the context of these images shapes our engagement with them. By examining literary works that incorporate photographs into their printed text, I explore textual and visual representations of historical trauma (such as the two World Wars, the Balkan wars of the Nineties, and 9/11). The authors whose works I analyze (Jonathan Safran Foer, Aleksandar Hemon, W.G. Sebald) grant photography a new status: the inserted images transcend traditional “authentification strategies” and draw attention to the convergence of realism and indexicality featured by these photographs. These authors’ employment of photographs from various media (television, internet, printed press, encyclopedias and archives) questions not only the technical qualities of each medium but the veracity and accuracy of evidence. Photography’s capacity to secure and store information is put radically into question, not only because the new contexts of these images, but because of the manipulations and reconfigurations the movement between media has brought about. Drawing on Walter Benjamin’s concept of the literary montage, I suggest that literature provides an apt arena to examine the reception to images. By literary montage I mean the opening up of a new dimension in which visual and verbal elements are juxtaposed, and the disjunctions and gaps between them encourage readers to become active participants in the creation of narrative. Photo-fiction’s interplay between images and texts therefore not only sheds light on the mechanics of representation, but demand from its audience to reflect on the way we interpret and respond to historical traumas in a society saturated with images.