Li, Ming Hin. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 42-46). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Inference for Fractional Cointegration --- p.5 / Chapter 2.1 --- Concept of Fractional Cointegration --- p.5 / Chapter 2.1.1 --- Fractional Integration --- p.5 / Chapter 2.1.2 --- Fractional Cointegration --- p.8 / Chapter 2.2 --- Fractional Cointegration Modeling --- p.9 / Chapter 2.2.1 --- Engle-Granger's Methodology --- p.9 / Chapter 2.2.2 --- Johansen's Methodology --- p.10 / Chapter 2.2.2.1 --- Maximum Likelihood Estimators --- p.12 / Chapter 2.2.2.2 --- Cofractional Rank Test --- p.16 / Chapter 3 --- Pairs Trading Strategy --- p.19 / Chapter 3.1 --- Statistical Arbitrage --- p.19 / Chapter 3.2 --- Fractional Cointegration Pairs Trading --- p.20 / Chapter 3.2.1 --- Trading Procedures --- p.22 / Chapter 4 --- Empirical Study --- p.27 / Chapter 4.1 --- Backgrounds --- p.27 / Chapter 4.2 --- Settings --- p.28 / Chapter 4.3 --- Empirical Results --- p.29 / Chapter 5 --- Conclusions and Further Research --- p.39 / Bibliography --- p.42

O presente trabalho mostra um estudo sobre a presença de pares de íons de CN- - Cu+ e OCN- -Cu+, em cristais de KCl, usando técnicas de medidas de corrente de despolarização termoestimulada (I.T.C.) e Absorção óptica. A detecção destes pares foi feita através de um estudo sistemática de correlação entre as diferentes amostras aqui usadas: KCl + 1% KCN; KCl + 1% CuCl; KCl + 1% KOCN; KCl + 1% KOCN + 1% CuCl e KCl + 1% KCN + 1% CuCl. Deve ser ressaltado que a última amostra apresenta um tipo de impureza não intencional OCN- , cuja associação com o íon Cu+ também é observada. Na absorção ótica observamos bandas à temperatura ambiente em 210, 228, 242, 252, 260 e 290 nm para o cristal de KCl + 1% CuCl + 1% KCN, sendo que para o cristal de KCl + 1% KOCN + 1% CuCl não foi observado o último pico. As diferentes bandas são atribuídas às possíveis interações entre Cu+ e CN-, bem como Cu+ e OCN-. Quanto à técnica de ITC, as curvas obtidas por esta, para os três últimos cirstais citados acima, foram melhor ajustadas pela somatória de duas curvas singulares de ITC, cujas temperaturas de pico estão nas posições de 53 e 55 K; 54,3 e 56,6 K; 53,3 e 56,1 K, respectivamente. Em KCl + 1% KOCN a curva de mais baixa temperatura (curva 1) de ITC é atribuída à molécula (16O12C14N-) e a curva de mais alta temperatura (curva 2) é atribuída à molécula isotrópica (18O12C14N-). Para as amostras de KCl + 1% KOCN + 1% CuCl a curva 1 foi atribuída ao OCN- isolado e a curva 2 ao Cu+ perturbado pela presença do OCN-. Quanto ao cristal de KCl + 1% KCN + 1% CuCl, as duas técnicas propostas não foram suficientes para identificar a presença de pares Cu+ - CN-, necessitando, desta maneira, da utilização de outra técnica experimental, como por exemplo a da luminescência. A correlação dos resultados experimentais foi feita através dos parâmetros determinados do momento de dipolo (p), energia de ativação (Ea&#8727) e a temperatura de pico (Tm&#8727) / The present work gives a study on CN- - Cu+ and OCN- -Cu+ coupled pairs doped KCl single crystal, by using Ionic Thermal Current (I.T.C.) and Optical absorption techniques. These pairs were detected through a systematic correlation study between different samples: KCl + 1% KCN; KCl + 1% CuCl; KCl + 1% KOCN; KCl + 1% KOCN + 1% CuCl and KCl + 1% KCN + 1% CuCl, were the last sample shows unporposely doping OCN-, compled with Cu+. The observed optical absorption bands, at room temperature, were in 210, 228, 242, 252, 260 and 290 nm for KCl + 1% CuCl + 1% KCN crystal. Only the last absorption band was not seen in KCl + 1% KOCN + 1% CuCl samples. Diferent bands are associated with possible interactions between Cu+ and CN-, as also Cu+ with OCN-. The ITC curves for the last three crystals were better fitted with two single ITC´s curves, whose temperature peaks are at 53 and 55 K; 54,3 and 56,6 K; 53,3 and 56,1 K, respectively. The lowest temperature ITC band (curve 1) in KCl + 1% KOCN is attributed to the (16O12C14N-) molecule and the highest temperature ITC band (curve 2) is due to the (18O12C14N-) isotropic molecule. For KCl + 1% KOCN + 1% CuCl samples curve 1 was associated with isolated OCN- and curve 2 with Cu+ perturbed with OCN-. With KCl + 1% KCN + 1% CuCl, the two techniques were not good enough to identify Cu+ - CN-, compling, it should be necessary to apply another type of techniques, like luminescence. The correlations of the experimental results were done through the determination electric dipole moment (p), activation energy (Ea&#8727) and temperature peak (Tm&#8727) parameters

Magnetoreception is the ability of some animals to use the weak magnetic field of the Earth for navigation over long-distance migrations. It is a well-known phenomenon, but its underlying biophysical mechanisms remain poorly understood. One proposal involves light-induced, magnetically sensitive chemical reactions occurring within cryptochrome proteins, rationalised via the radical pair mechanism (Chapter 1). The absence of evidence in support of this hypothesis is in part due to the lack of sufficiently sensitive techniques to measure magnetic field effects (MFEs) in biological samples. Cavity-enhanced detection, most commonly in the form of cavity ring-down spectroscopy (CRDS) or cavity-enhanced absorption spectroscopy (CEAS), is widely used in the gas phase to provide significant sensitivity gains over traditional single-pass measurements (Chapter 2). However, successful studies in the condensed phase are less prevalent due to the additional background losses inherent to the sample. This thesis reports on the application of broadband (i.e. monitoring > 100nm) variants of CRDS and CEAS to the study of MFEs on the radical recombination reactions of flavin-based systems in solution. The broadband CRDS (BBCRDS) instrument employed in Chapter 4 is able to monitor the spectral changes induced by magnetic fields with submicrosecond time resolution. However, the need to scan both the probe wavelength and time delay to construct time-resolved spectra leads to prohibitively long acquisition times, and hence exposure of sensitive samples to high numbers of photons. The broadband CEAS (BBCEAS) studies reported in Chapter 5 combine the high irradiance and spectral coverage of a supercontinuum radiation (SCR) source with a CCD detector to simultaneously acquire absorption spectra across the visible region (480–700nm). The CW nature of this technique precludes the possibility of following radical pair kinetics in real time. In an effort to combine the respective advantages of these two instruments, which individually have represented powerful advances in capability, a new cavity-enhanced technique is reported for the first time (Chapter 6). The result, optical cavity-enhanced transient absorption spectroscopy (OCTAS), is able to simultaneously monitor spectral evolution and associated MFEs on the microsecond timescale, with comparable sensitivity to the existing techniques. Magnetic responses in animal cryptochrome proteins have successfully been recorded using all three techniques, lending considerable weight to the hypothesis that these molecules are at the heart of the magnetic sense in animals.

The performances of athlete pairs correspond to the agency observed in self, relational, and collective efficacy beliefs. A dyadic perspective offers potentially important conceptual and methodological advantages to the investigation of interdependent action. The general purpose of this thesis was to investigate how athletes influence one another in athlete pairs of different (i.e., distinguishable) roles with a specific focus on the efficacy-performance relationship. Chapters 1 and 2 provide the general introduction and review of literature on dyads and efficacy beliefs. Chapters 3-6 include original research. In Chapter 3 relationships among the individual- and dyad-level performances of cheerleading pairs competing at a national-level competition were assessed to provide a measurement tool for dyadic performance settings in which athletes have distinguishable roles. In Chapter 4 person-related sources of variance (in line with the Social Relations Model framework) in athletes’ efficacy beliefs and performances were examined during repeated performance trials of a paired-cheerleading stunt-task with distinguishable roles. The purpose of Chapter 5 was to examine the efficacy-performance predictive chain of an athletic dyad task to extend Feltz’ (1982) efficacy-performance path analysis in an individual sporting context in conjunction with the Actor-Partner Interdependence Model appropriate for dyads with distinguishable roles. The purpose of Chapter 6 was to conduct a replication of the Social Relations Model investigation in Chapter 4 using same-gender distinguishable dyads and extending the framework to four-person cheerleading groups. The final chapter is a summary of the findings with commentary on the findings’ implications, strengths and limitations of the studies, identification of future research directions, and significance of the findings. Overall, the findings in this thesis support that task structure, dyadic relations, and athlete role in a team-task influence how athletes perceive and are perceived relative to self, relational, and collective abilities, with some effects including implications for efficacy-performance predictive relationships.

Na atualidade, tanto a língua falada quanto a escrita têm sido analisadas de forma conjunta e não mais dicotomicamente como outrora se fazia. Por meio de estudos atuais, referentes à oralidade e a escrituralidade, é possível inferir que muitas características destes dois meios de manifestação da língua são partilhadas. A ocorrência de tal fenômeno dependerá do nível de formalidade exigido, do gênero em que o discurso está inserido, entre muitos outros fatores. Tendo como base este ponto de vista, a presente dissertação investigará de que maneira as marcas da oralidade apresentam-se no gênero carta, mais precisamente, na correspondência amorosa do poeta Fernando Pessoa remetida à Ofélia Queiroz, e quais são os motivos que justificam este uso. Esta pesquisa, agregada à linha de pesquisa da Análise da Conversação, apoia-se nos postulados de Schegloff e Sacks (1973), Stubbs (1983), Marcuschi (1987, 1993, 1999), Preti (1997, 2003), Urbano et al (2002), Silva (2006, 2009), Andrade e Aquino (2006), Risso (2006), Gómez (2008) entre outros importantes estudiosos. De modo geral, a obra pessoana é bastante analisada do ponto de vista literário, deste modo, tê-la como corpus em uma investigação sobre marcas de oralidade torna-se algo novo e bem atraente aos interessados nessas duas áreas do conhecimento. Todas as cartas amorosas de Fernando Pessoa serão devidamente analisadas pelo ponto de vista acima proposto, a fim de se verificar a existência de marcas de oralidade no texto destacado, principalmente, aquelas relacionadas aos pares conversacionais, marcadores conversacionais e escolhas lexicais típicas da oralidade. / Currently, both the spoken language and the written language have been analyzed jointly (together) rather than dichotomously they once were. Through current studies about the orality and the scripturalism, it is possible to infer that many features of these two ways of language manifestation are shared. The occurrence of this phenomenon will depend on the level of formality required, the genre in which the speech is inserted, among other factors. From this perspective, the present dissertation will investigate how the orality marks are presented in the letter genre, more specifically, in the love letters of the poet Fernando Pessoa sent to Ophélia Queiroz, and what are the reasons for this use. This dissertation, aggregated to the research line of Conversation Analysis, is based on the postulates of Schegloff e Sacks (1973), Stubbs (1983), Marcuschi (1987, 1993, 1999), Preti (1997, 2003), Urbano et al (2002), Silva (2006, 2009), Andrade e Aquino (2006), Risso (2006), Gómez (2008) among other important researchers. Generally, Pessoas work is analyzed mainly from a literary perspective, thus having it as a research corpus about the orality marks is something new and very attractive to stakeholders in these two areas of knowledge. All letters of Fernando Pessoa will be duly analyzed by the perspective proposed above, in order to check the existence of the orality marks in the selected text, mainly, those related to conversational pairs, conversational markers and lexical choices common to orality.

Esta tese dedica-se ao estudo do processo de correlação e, como consequência, descreve o comportamento linguístico-discursivo, por padrão, dos pares correlativos que integram o conjunto das porções correlatas empregadas em redações vestibulares, momento em que a pressão pela normatividade é bem grande, mas escreventes habilidosos se utilizam dos pares que fogem ao que se espera e surpreendem o leitor com escolhas criativas, porém não rompem com o processamento cognitivo esperado. Como questões relativas à escolarização, as etapas de desenvolvimento cognitivo e o processo de mudança gramatical estão nesta tese altamente imbricados, e por conta disso considerou-se constitutiva uma amostra com textos produzidos em situações de alta pressão pela normatividade. São redações do banco de dados elaboradas por candidatos da FUVEST (Fundação para o Vestibular de São Paulo), de sete vestibulares distintos, no período de 2004 a 2010 (as 100 melhores e as 100 piores redações de cada exame). No total, analisaram-se 700 textos considerados piores e 700 melhores. Fundamentamos teoricamente esta tese nos estudos sobre cognição, a partir de Tomasello (2003), Givón (2011), sobre gramaticalização Bybee (2003), Traugott e Dasher (2005), Meillet (1965), Heine, Claudi e Hünnemeyer (1991), sobre correlações Oiticica (1952), Chediak (1960); sobre construções, Goldberg (1955), Croft (2001) e sobre a evolução dos estágios da mente humana, com Damásio (2009).O material analisado teve tratamento quantitativo e qualitativo em que se chegou à determinação de que pares correlativos assumem papéis e funções em decorrência das intenções discursivo-pragmáticas dos autores, que buscam em estágios da mente os recursos linguísticos e imagéticos para fundamentarem sua argumentação. O estudo do comportamento de cada par foi realizado levando-se em conta etimologia, estatuto categorial nos dicionários e uma análise sincrônico para estabelecer padrões funcionais e valores semânticos. Foi possível, assim, constatar que os pares correlativos encontram-se em vários níveis de gramaticalização, a depender da categoria analisada, e que estão diretamente ligados a um jogo estratégico funcional-cognitivo. / This thesis is devoted to the study of the correlation process and, consequently, describes the linguistic-discursive behavior, by pattern, of the correlative pairs that constitute the set of related portions employed in the vestibular essays, at this moment, the pressure for normative rules is huge but skilled writers used the pairs escaping from that is expected and also to surprise the reader with creative choices, otherwise they do not break with the expected cognitive processing. As issues relating to schooling, the steps of cognitive development and the process of grammatical change are highly intertwined in this thesis. We considered a sample with constitutive texts produced through normative rules in high pressure situations for the writers. The corpus is composed by essays from the database produced by the FUVEST (Foundation for Vestibular of São Paulo) writers or candidates from seven distinct vestibular, in the period 2004-2010 (the 100 best and 100 worst essays of each exam). In total we analyzed 700 texts considered worst and 700 considered the best ones. We base this argument theoretically in studies of cognition, from Tomasello (2003), Givón (2011); on grammaticalization Bybee (2003), Traugott and Dasher (2005), Meillet (1965), Heine, Claudi and Hünnemeyer (1991); about correlations Oiticica (1952), Chediak (1960) on constructions; Goldberg (1955), Croft (2001) and the human mind stages of evolution, with Damasio (2009). The analyzed material had the quantitative and qualitative treatment through with there came the determination that correlative pairs assume roles and functions as a result of discourse-pragmatic intentions of the authors (writers/candidates), who seek In the mind stages the linguistic and pictorial resources to substantiate the argument. The study of each pair behavior was performed taking into account etymology, categorical status in dictionaries and a synchronic analysis to establish functional standards and semantic values. It was thus possible to observe that the correlated pairs are lying at different levels of grammaticalization; it depends on the category analyzed and which are directly connected to a strategic functional-cognitive roles of a game.

Na atualidade, tanto a língua falada quanto a escrita têm sido analisadas de forma conjunta e não mais dicotomicamente como outrora se fazia. Por meio de estudos atuais, referentes à oralidade e a escrituralidade, é possível inferir que muitas características destes dois meios de manifestação da língua são partilhadas. A ocorrência de tal fenômeno dependerá do nível de formalidade exigido, do gênero em que o discurso está inserido, entre muitos outros fatores. Tendo como base este ponto de vista, a presente dissertação investigará de que maneira as marcas da oralidade apresentam-se no gênero carta, mais precisamente, na correspondência amorosa do poeta Fernando Pessoa remetida à Ofélia Queiroz, e quais são os motivos que justificam este uso. Esta pesquisa, agregada à linha de pesquisa da Análise da Conversação, apoia-se nos postulados de Schegloff e Sacks (1973), Stubbs (1983), Marcuschi (1987, 1993, 1999), Preti (1997, 2003), Urbano et al (2002), Silva (2006, 2009), Andrade e Aquino (2006), Risso (2006), Gómez (2008) entre outros importantes estudiosos. De modo geral, a obra pessoana é bastante analisada do ponto de vista literário, deste modo, tê-la como corpus em uma investigação sobre marcas de oralidade torna-se algo novo e bem atraente aos interessados nessas duas áreas do conhecimento. Todas as cartas amorosas de Fernando Pessoa serão devidamente analisadas pelo ponto de vista acima proposto, a fim de se verificar a existência de marcas de oralidade no texto destacado, principalmente, aquelas relacionadas aos pares conversacionais, marcadores conversacionais e escolhas lexicais típicas da oralidade. / Currently, both the spoken language and the written language have been analyzed jointly (together) rather than dichotomously they once were. Through current studies about the orality and the scripturalism, it is possible to infer that many features of these two ways of language manifestation are shared. The occurrence of this phenomenon will depend on the level of formality required, the genre in which the speech is inserted, among other factors. From this perspective, the present dissertation will investigate how the orality marks are presented in the letter genre, more specifically, in the love letters of the poet Fernando Pessoa sent to Ophélia Queiroz, and what are the reasons for this use. This dissertation, aggregated to the research line of Conversation Analysis, is based on the postulates of Schegloff e Sacks (1973), Stubbs (1983), Marcuschi (1987, 1993, 1999), Preti (1997, 2003), Urbano et al (2002), Silva (2006, 2009), Andrade e Aquino (2006), Risso (2006), Gómez (2008) among other important researchers. Generally, Pessoas work is analyzed mainly from a literary perspective, thus having it as a research corpus about the orality marks is something new and very attractive to stakeholders in these two areas of knowledge. All letters of Fernando Pessoa will be duly analyzed by the perspective proposed above, in order to check the existence of the orality marks in the selected text, mainly, those related to conversational pairs, conversational markers and lexical choices common to orality.

Esta tese dedica-se ao estudo do processo de correlação e, como consequência, descreve o comportamento linguístico-discursivo, por padrão, dos pares correlativos que integram o conjunto das porções correlatas empregadas em redações vestibulares, momento em que a pressão pela normatividade é bem grande, mas escreventes habilidosos se utilizam dos pares que fogem ao que se espera e surpreendem o leitor com escolhas criativas, porém não rompem com o processamento cognitivo esperado. Como questões relativas à escolarização, as etapas de desenvolvimento cognitivo e o processo de mudança gramatical estão nesta tese altamente imbricados, e por conta disso considerou-se constitutiva uma amostra com textos produzidos em situações de alta pressão pela normatividade. São redações do banco de dados elaboradas por candidatos da FUVEST (Fundação para o Vestibular de São Paulo), de sete vestibulares distintos, no período de 2004 a 2010 (as 100 melhores e as 100 piores redações de cada exame). No total, analisaram-se 700 textos considerados piores e 700 melhores. Fundamentamos teoricamente esta tese nos estudos sobre cognição, a partir de Tomasello (2003), Givón (2011), sobre gramaticalização Bybee (2003), Traugott e Dasher (2005), Meillet (1965), Heine, Claudi e Hünnemeyer (1991), sobre correlações Oiticica (1952), Chediak (1960); sobre construções, Goldberg (1955), Croft (2001) e sobre a evolução dos estágios da mente humana, com Damásio (2009).O material analisado teve tratamento quantitativo e qualitativo em que se chegou à determinação de que pares correlativos assumem papéis e funções em decorrência das intenções discursivo-pragmáticas dos autores, que buscam em estágios da mente os recursos linguísticos e imagéticos para fundamentarem sua argumentação. O estudo do comportamento de cada par foi realizado levando-se em conta etimologia, estatuto categorial nos dicionários e uma análise sincrônico para estabelecer padrões funcionais e valores semânticos. Foi possível, assim, constatar que os pares correlativos encontram-se em vários níveis de gramaticalização, a depender da categoria analisada, e que estão diretamente ligados a um jogo estratégico funcional-cognitivo. / This thesis is devoted to the study of the correlation process and, consequently, describes the linguistic-discursive behavior, by pattern, of the correlative pairs that constitute the set of related portions employed in the vestibular essays, at this moment, the pressure for normative rules is huge but skilled writers used the pairs escaping from that is expected and also to surprise the reader with creative choices, otherwise they do not break with the expected cognitive processing. As issues relating to schooling, the steps of cognitive development and the process of grammatical change are highly intertwined in this thesis. We considered a sample with constitutive texts produced through normative rules in high pressure situations for the writers. The corpus is composed by essays from the database produced by the FUVEST (Foundation for Vestibular of São Paulo) writers or candidates from seven distinct vestibular, in the period 2004-2010 (the 100 best and 100 worst essays of each exam). In total we analyzed 700 texts considered worst and 700 considered the best ones. We base this argument theoretically in studies of cognition, from Tomasello (2003), Givón (2011); on grammaticalization Bybee (2003), Traugott and Dasher (2005), Meillet (1965), Heine, Claudi and Hünnemeyer (1991); about correlations Oiticica (1952), Chediak (1960) on constructions; Goldberg (1955), Croft (2001) and the human mind stages of evolution, with Damasio (2009). The analyzed material had the quantitative and qualitative treatment through with there came the determination that correlative pairs assume roles and functions as a result of discourse-pragmatic intentions of the authors (writers/candidates), who seek In the mind stages the linguistic and pictorial resources to substantiate the argument. The study of each pair behavior was performed taking into account etymology, categorical status in dictionaries and a synchronic analysis to establish functional standards and semantic values. It was thus possible to observe that the correlated pairs are lying at different levels of grammaticalization; it depends on the category analyzed and which are directly connected to a strategic functional-cognitive roles of a game.

In clear and lively prose that avoids jargon, the author carefully and systematically examines the many kinds of subtly nuanced words or word-pairs of everyday discourse such as 'and'-'but', 'before'-'ere', 'Chinese'-'Chink', and 'sweat'-'perspiration', that have proven resistant to truth-conditional explanations of meaning. / https://dc.etsu.edu/etsu_books/1108/thumbnail.jpg

Limited research exists examining the effect of moderately loaded conditioning activities that are employed as part of a strength-power potentiating complex (SPPC). Additionally, no studies to date have explored the effects of using a concentric-only quarter back squat protocol as part of an SPPC. Therefore, the purpose of this study was to examine the effects of a moderately loaded (50–65% of 1RM) concentric-only quarter back squat protocol on the occurrence of potentiation effects at various time points. Twenty men who could quarter back squat a minimum of 2.4 times their body mass (3.7 ± 0.7 kg·per body mass) participated in this investigation. All subjects participated in 3 conditions: control (CT), a 50% of 1RM trial (50POT), and a 65% of 1RM trial (65POT). One minute before each condition, a maximal countermovement vertical jump (CMJ) was performed. One minute later, the subject performed 1 of 3 conditions: CT condition, 50POT, or 65POT, followed by vertical jumps at 0.5, 3, 5, 10, and 15 minutes after conditioning activity. A force plate was used to quantify displacement, peak power output, peak force, and the rate of force development for each CMJ. There were no significant differences (p > 0.05) in any of the performance measures quantified during the CMJ trials when comparing the CT, 50POT, and 65POT treatment conditions. However, 48% of the subjects demonstrated some degree of potentiation at the 30 seconds after completing the 65POT trial, but this percent increase was not statistically significant. From a practical perspective, if the goal of the SPPC is to create a maximization of the potentiation effect, moderately loaded activities may not be the best alternative.