26 resultados para Mathematical English

em Helda - Digital Repository of University of Helsinki


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This study reports a diachronic corpus investigation of common-number pronouns used to convey unknown or otherwise unspecified reference. The study charts agreement patterns in these pronouns in various diachronic and synchronic corpora. The objective is to provide base-line data on variant frequencies and distributions in the history of English, as there are no previous systematic corpus-based observations on this topic. This study seeks to answer the questions of how pronoun use is linked with the overall typological development in English and how their diachronic evolution is embedded in the linguistic and social structures in which they are used. The theoretical framework draws on corpus linguistics and historical sociolinguistics, grammaticalisation, diachronic typology, and multivariate analysis of modelling sociolinguistic variation. The method employs quantitative corpus analyses from two main electronic corpora, one from Modern English and the other from Present-day English. The Modern English material is the Corpus of Early English Correspondence, and the time frame covered is 1500-1800. The written component of the British National Corpus is used in the Present-day English investigations. In addition, the study draws supplementary data from other electronic corpora. The material is used to compare the frequencies and distributions of common-number pronouns between these two time periods. The study limits the common-number uses to two subsystems, one anaphoric to grammatically singular antecedents and one cataphoric, in which the pronoun is followed by a relative clause. Various statistical tools are used to process the data, ranging from cross-tabulations to multivariate VARBRUL analyses in which the effects of sociolinguistic and systemic parameters are assessed to model their impact on the dependent variable. This study shows how one pronoun type has extended its uses in both subsystems, an increase linked with grammaticalisation and the changes in other pronouns in English through the centuries. The variationist sociolinguistic analysis charts how grammaticalisation in the subsystems is embedded in the linguistic and social structures in which the pronouns are used. The study suggests a scale of two statistical generalisations of various sociolinguistic factors which contribute to grammaticalisation and its embedding at various stages of the process.

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Speech rhythm is an essential part of speech processing. It is the outcome of the workings of a combination of linguistic and non-linguistic parameters, many of which also have other functions in speech. This study focusses on the acoustic and auditive realization of two linguistic parameters of rhythm: (1) sentence stress, and (2) speech rate and pausing. The aim was to find out how well Finnish comprehensive school pupils realize these two parameters in English and how native speakers of English react to Finnish pupils English rhythm. The material was elicited by means of a story-telling task and questionnaires. Three female and three male pupils representing different levels of oral skills in English were selected as the experimental group. The control group consisted of two female and two male native speakers of English. The stories were analysed acoustically and auditorily with respect to interstress intervals, weak forms, fundamental frequency, pausing, and speech as well as articulation rate. In addition, 52 native speakers of English were asked to rate the intelligibility of the Finnish pupils English with respect to speech rhythm and give their attitudes on what the pupils sounded like. Results showed that Finnish pupils can produce isochronous interstress intervals in English, but that too large a proportion of these intervals contain pauses. A closer analysis of the pauses revealed that Finnish pupils pause too frequently and in inappropriate places when they speak English. Frequent pausing was also found to cause slow speech rates. The findings of the fundamental frequency (F0) measurements indicate that Finnish pupils tend to make a slightly narrower F0 difference between stressed and unstressed syllables than the native speakers of English. Furthermore, Finnish pupils appear to know how to reduce the duration and quality of unstressed sounds, but they fail to do it frequently enough. Native listeners gave lower intelligibility and attitude scores to pupils with more anomalous speech rhythm. Finnish pupils rhythm anomalies seemed to derive from various learning- or learner-related factors rather than from the differences between English and Finnish. This study demonstrates that pausing may be a more important component of English speech rhythm than sentence stress as far as Finnish adolescents are concerned and that interlanguage development is affected by various factors and characterised by jumps or periods of stasis. Other theoretical, methodological and pedagogical implications of the results are also discussed.

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This study reports a corpus-based study of medieval English herbals, which are texts conveying information on medicinal plants. Herbals belong to the medieval medical register. The study charts intertextual parallels within the medieval genre, and between herbals and other contemporary medical texts. It seeks to answer questions where and how herbal texts are linked to each other, and to other medical writing. The theoretical framework of the study draws on intertextuality and genre studies, manuscript studies, corpus linguistics, and multi-dimensional text analysis. The method combines qualitative and quantitative analyses of textual material from three historical special-language corpora of Middle and Early Modern English, one of which was compiled for the purposes of this study. The text material contains over 800,000 words of medical texts. The time span of the material is from c. 1330 to 1550. Text material is retrieved from the corpora by using plant name lists as search criteria. The raw data is filtered through qualitative analysis which produces input for the quantitative analysis, multi-dimensional scaling (MDS). In MDS, the textual space that parallel text passages form is observed, and the observations are explained by a qualitative analysis. This study concentrates on evidence of material and structural intertextuality. The analysis shows patterns of affinity between the texts of the herbal genre, and between herbals and other texts in the medical register. Herbals are most closely linked with recipe collections and regimens of health: they comprise over 95 per cent of the intertextual links between herbals and other medical writing. Links to surgical texts, or to specialised medical texts are very few. This can be explained by the history of the herbal genre: as herbals carry information on medical ingredients, herbs, they are relevant for genres that are related to pharmacological therapy. Conversely, herbals draw material from recipe collections in order to illustrate the medicinal properties of the herbs they describe. The study points out the close relationship between medical recipes and recipe-like passages in herbals (recipe paraphrases). The examples of recipe paraphrases show that they may have been perceived as indirect instruction. Keywords: medieval herbals, early English medicine, corpus linguistics, intertextuality, manuscript studies

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This doctoral dissertation examines the description of the North as it appears in the Old English Orosius (OE Or.) in the form of the travel accounts by Ohthere and Wulfstan and a catalogue of peoples of Germania. The description is discussed in the context of ancient and early medieval textual and cartographic descriptions of the North, with a special emphasis on Anglo-Saxon sources and the intellectual context of the reign of King Alfred (871-899). This is the first time that these sources, a multidisciplinary approach and secondary literature, also from Scandinavia and Finland, have been brought together. The discussion is source-based, and archaeological theories and geographical ideas are used to support the primary evidence. This study belongs to the disciplines of early medieval literature and (cultural) history, Anglo-Saxon studies, English philology, and historical geography. The OE Or. was probably part of Alfred s educational campaign, which conveyed royal ideology to the contemporary elite. The accounts and catalogue are original interpolations which represent a unique historical source for the Viking Age. They contain unparalleled information about peoples and places in Fennoscandia and the southern Baltic and sailing voyages to the White Sea, the Danish lands, and the Lower Vistula. The historical-philological analysis reveals an emphasis on wealth and property, rank, luxury goods, settlement patterns, and territorial divisions. Trade is strongly implied by the mentions of central places and northern products, such as walrus ivory. The references to such peoples as the Finnas, the Cwenas, and the Beormas appear in connection with information about geography and subsistence in the far North. Many of the topics in the accounts relate to Anglo-Saxon aristocratic culture and interests. The accounts focus on the areas associated with the Northmen, the Danes and the Este. These areas resonated in the Anglo-Saxon geographical imagination: they were curious about the northern margin of the world, their own continental ancestry and the geography of their homeland of Angeln, and they had an interest in the Goths and their connection with the southern Baltic in mythogeography. The non-judgemental representation of the North as generally peaceful and relatively normal place is related to Alfredian and Orosian ideas about the unity and spreading of Christendom, and to desires for unity among the Germani and for peace with the Vikings, who were settling in England. These intellectual contexts reflect the innovative and organizational forces of Alfred s reign. The description of the North in the OE Or. can be located in the context of the Anglo-Saxon worldview and geographical mindset. It mirrors the geographical curiosity expressed in other Anglo-Saxon sources, such as the poem Widsith and the Anglo-Saxon mappa mundi. The northern section of this early eleventh-century world map is analyzed in detail here for the first time. It is suggested that the section depicts the North Atlantic and the Scandinavian Peninsula. The survey of ancient and early medieval sources provides a comparative context for the OE Or. In this material, produced by such authors as Strabo, Pliny, Tacitus, Jordanes, and Rimbert, the significance of the North was related to the search for and definition of the northern edge of the world, universal accounts of the world, the northern homeland in the origin stories of the gentes, and Carolingian expansion and missionary activity. These frameworks were transmitted to Anglo-Saxon literary culture, where the North occurs in the context of the definition of Britain s place in the world.

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This study deals with language change and variation in the correspondence of the eighteenth-century Bluestocking circle, a social network which provided learned men and women with an informal environment for the pursuit of scholarly entertainment. Elizabeth Montagu (1718 1800), a notable social hostess and a Shakespearean scholar, was one of their key figures. The study presents the reconstruction of Elizabeth Montagu s social networks from her youth to her later years with a special focus on the Bluestocking circle, and linguistic research on private correspondence between Montagu and her Bluestocking friends and family members between the years 1738 1778. The epistolary language use is investigated using the methods and frameworks of corpus linguistics, historical sociolinguistics, and social network analysis. The approach is diachronic and concerns real-time language change. The research is based on a selection of manuscript letters which I have edited and compiled into an electronic corpus (Bluestocking Corpus). I have also devised a network strength scale in order to quantify the strength of network ties and to compare the results of the linguistic research with the network analysis. The studies range from the reconstruction and analysis of Elizabeth Montagu s most prominent social networks to the analysis of changing morphosyntactic features and spelling variation in Montagu s and her network members correspondence. The linguistic studies look at the use of the progressive construction, preposition stranding and pied piping, and spelling variation in terms of preterite and past participle endings in the regular paradigm (-ed, - d, -d, - t, -t) and full / contracted spellings of auxiliary verbs. The results are analysed in terms of social network membership, sociolinguistic variables of the correspondents, and, when relevant, aspects of eighteenth-century linguistic prescriptivism. The studies showed a slight diachronic increase in the use of the progressive, a significant decrease of the stigmatised preposition stranding and increase of pied piping, and relatively informal but socially controlled epistolary spelling. Certain significant changes in Elizabeth Montagu s language use over the years could be attributed to her increasingly prominent social standing and the changes in her social networks, and the strength of ties correlated strongly with the use of the progressive in the Bluestocking Corpus. Gender, social rank, and register in terms of kinship/friendship had a significant influence in language use, and an effect of prescriptivism could also be detected. Elizabeth Montagu s network ties resulted in language variation in terms of network membership, her own position in a given network, and the social factors that controlled eighteenth-century interaction. When all the network ties are strong, linguistic variation seems to be essentially linked to the social variables of the informants.

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My dissertation is a corpus-based study of non-finite constructions in Old English (OE). It revisits the question of Latin influence on the OE syntax, offering a new evaluation of syntactic interference between Latin and OE, and, more generally, of the contact situation in the OE period, drawing on methods used in studying grammaticalization and language contact. I address three non-finite constructions: absolute participial construction, accusative-and-infinitive construction, and nominative-and-infinitive construction, exemplified respectively in present-day English as - She looked like a pixie sometimes, her eyes darting here and there, forever watchful (BNC CCM 98); - My first acquaintance with her was when I heard her sing (BNC CFY 2215); - Charles the Bald was said to resemble his grandfather physically (BNC HPT 175). This study compares data from translated texts against the background of original OE writings, establishing dependencies and differences between the two. Although the contrastive analysis of source and target texts is one of the major methods employed in the study, translation and translation strategies as such are only my secondary foci. The emphasis is rather on what source/target comparison can tell us about the OE non-finite syntax and the typological differences between Latin and OE in this domain, and on whether contact-induced change can originate in translation. In terms of theoretical framework, I have adopted functional-typological approach, which rests on the principles of iconicity and event integration, and to the best of my knowledge, has not been applied systematically to OE non-finite constructions. Therefore one more aim of the dissertation is to test this framework and to see how OE fits into the cross-linguistic picture of non-finites. My research corpus consists of two samples: 1) written OE closely dependent on the Latin originals, based on editions of two gloss texts, five translations, and Latin originals of these texts, representing four text types: hymns, religious regulations, homily/life narrative, and biblical narrative (180,622 words); and 2) written OE as far independent from Latin as possible, based on a selection from the York-Toronto-Helsinki Parsed Corpus of Old English Prose (YCOE) and representing five text types: laws, charters, correspondence, chronicle narrative, and homily/life narrative (274,757 words).

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Pro gradu –tutkielman aiheena on kulttuurin ominaispiirteiden kääntäminen. Teksteissä kulttuurin jälki voi näkyä monin eri tavoin. Tutkielman kohteena ovat erityisesti käännösstrategiat, joita kääntäjät käyttävät kohdatessaan kulttuurisidonnaisia viittauksia. Tutkielma nostaa esiin myös niitä tekijöitä, jotka vaikuttavat siihen, minkälaisia käännösstrategioita kääntäjät valitsevat. Näistä tekijöistä tutkielma keskittyy kääntämisen normeihin. Tutkielma pureutuu kulttuurisidonnaisten viitteiden kääntämiseen tarkastelemalla kahta suomalaista kaunokirjallista teosta ja niiden käännöksiä. Tutkielman aineistona ovat Matti Yrjänä Joensuun kaksi rikosromaania ja näiden käännökset. Teoksista toinen on vuonna 1983 suomeksi julkaistu Harjunpää ja poliisin poika, jonka englanninkielinen käännös Harjunpaa the stone murders julkaistiin vuonna 1986. Toinen teos on vuonna 2003 julkaistu Harjunpää ja pahan pappi ja sen käännös The Priest of Evil vuodelta 2006. Tutkielman tavoitteena on selvittää, minkälaisia kulttuurisidonnaisia viittauksia romaanit sisälsivät, minkälaisia käännösstrategioita kääntäjät käyttivät kääntäessään näitä viittauksia ja mikä voisi selittää heidän strategisia valintojaan. Tutkielma pyrkii vastaamaan kysymykseen siitä, voisiko jonkin kääntämistä koskevan normin olemassa olo selittää kääntäjien strategisia valintoja. Tutkielman tavoitteena on myös selvittää, suositaanko kääntämisessä englannin kieleen niin kutsuttuja kotouttavia käännösstrategioita ja ovatko käännösstrategiat ja kääntämistä koskevat normit muuttuneet kahdenkymmenen vuoden aikana. Näihin kysymyksiin vastaamiseksi suomenkielisistä teksteistä on etsitty kaikki kulttuurisidonnaisia viittauksia sisältävät tekstinkohdat. Näitä vastaavat kohdat on sitten etsitty käännöksistä ja suomen- ja englanninkielisiä kohtia on vertailtu keskenään. Molemmat suomenkieliset romaanit sisältävät runsaasti kulttuurisidonnaisia viittauksia. Suurimman kulttuurisidonnaisten viittausten ryhmän muodostivat molemissa romaaneissa henkilöiden nimet. Romaanin sisälsivät myös runsaasti viittauksia maantieteeseen, erityisesti kulttuurimaantieteeseen, ja yhteiskuntaan. Sitä vastoin viittaukset suomalaiseen kulttuuriin ja historiaan olivat vähäisempiä. Tutkielma osoittaa, että kääntäessään suomesta englannin kielelle suomalaisen rikoskirjallisuuden kääntäjät saattavat käyttää enemmän vieraannuttavia strategioita kuin kotouttavia strategioita ja että he suosivat vieraannuttavia strategioita kasvavassa määrin. Harjunpään ja pahan papin kääntäjä käytti enemmän vieraannuttavia strategioita kuin Harjunpään ja poliisin pojan kääntäjä kaksikymmentä vuotta aikaisemmin. Tutkielman tulokset eivät tue väitettä siitä, että käännettäessä englannin kielelle suosittaisiin kotouttavia strategioita. Näyttää siltä, että vieraannuttavia strategioita on käytetty enemmän ja käytetään yhä enenevässä määrin. Lisääntyvän vieraannuttamisen taustalla voi olla useita syitä, kuten suomalaisen kulttuurin lisääntynyt tunnettuus maailmalla, rikosromaanin genren vaatimukset tai muutokset kääntäjäyhteisön arvoissa. Tutkielman tulosten perusteella näyttää siltä, että ainakin muutoksia normeissa ja arvoissa on tapahtunut. Lisätutkimuksen avulla voitaisiin selvittää, pätevätkö tutkielman tulokset muihin romaaneihin ja niiden käännöksiin tai muihin genreihin käännettäessä suomesta englantiin. Lisätutkimus voisi nojautua laajempaan ja erilaisia tekstejä kattavaan aineistoon. Jatkotutkimus voisi myös sisältää kääntäjien haastatteluita tai kyselyitä kääntäjille. Näiden avulla voitaisiin saada lisäselvyyttä syistä heidän strategisille valinnoilleen. Asiasanat: Käännöskirjallisuus – kaunokirjallisuus Kääntäminen – suomen kieli – englannin kieli Kääntäminen – strategia Kääntäminen - normi

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Tässä työssä tutkitaan englannin kielen substantiivijohtimien -ness ja -ity produktiivisuutta 1600-luvulla kirjoitetuissa kirjeissä. Näitä lähes synonyymisiä johtimia käytetään yleensä merkitykseltään abstraktien substantiivien muodostamiseen adjektiiveista (esim. productive 'produktiivinen' > productiveness tai productivity 'produktiivisuus'). Johtimista -ity on lainautunut englantiin ranskasta ja myöhemmin myös latinasta; se on sekä fonologialtaan että semantiikaltaan läpinäkymättömämpi kuin kotoperäinen -ness. Lisäksi -ity-johdinta on käytetty enimmäkseen formaaleissa tilanteissa ja tieteellisissä teksteissä, kun taas -ness on ollut yleiskäyttöisempi. Tutkielman lähestymistapa on sosiolingvistinen: oletetaan, että johtimien produktiivisuus (eli valmius muodostaa uusia johdoksia) voi vaihdella eri sosiaaliryhmissä. Sosiolingvistiikkaa ei ole aiemmin juurikaan sovellettu produktiivisuuden tutkimiseen. Tutkimusaineistona on Helsingin yliopiston VARIENG-tutkimusyksikön laatima Corpus of Early English Correspondence, varhaisista englanninkielisistä kirjeistä koostuva korpus eli elektroninen tekstikokoelma, joka on suunniteltu historiallisen sosiolingvistiikan tarpeisiin. Korpuksen 1600-luvun kirjeitten yhteenlaskettu pituus on noin 1,4 miljoonaa sanaa, ja ne on kirjoitettu vuosina 1600-1681. Tutkielman tärkeimpänä produktiivisuusmittarina käytetään johtimien avulla muodostettujen eri sanojen eli tyyppien lukumäärää. Hypoteesina on, että -ity-tyyppien määrä on keskimääräistä pienempi huonosti koulutettujen sosiaaliryhmien kirjeissä. Näitä olivat 1600-luvulla naiset sekä alhaisimmat yhteiskuntaryhmät, kuten talonpojat ja käsityöläiset. Johtimen -ness tyyppimäärissä ei odoteta esiintyvän sosiolingvististä variaatiota. Tutkielmassa käsitellään myös tyyppimäärien vertailuun liittyviä metodologisia ongelmia. Koska vaikkapa naisilta ja miehiltä on eri määrä dataa, ei heidän tyyppimääriään voida suoraan verrata keskenään. Esimerkiksi tyyppimäärien normalisointi tuhatta sanaa kohti ei myöskään ole mahdollista, koska tyyppien lukumäärä ei kasva lineaarisesti korpuksen kasvaessa. Tutkielmassa esitetään kielitieteessä harvoin käytetty tilastotieteellinen menetelmä, jonka avulla korpuksen eri osista saatuja tyyppimääriä voidaan verrata koko korpukseen ja testata, ovatko ne tilastollisesti merkittävän pieniä tai suuria. Toisin kuin monet yleisemmät menetelmät, tämä tyyppikertymiin ja permutaatiotesteihin perustuva metodi ei vaadi yksinkertaistavien oletuksien tekemistä. Tutkimustulokset vahvistavat hypoteesin oikeaksi: naisten -ity-tyyppien lukumäärä on tilastollisesti merkittävän alhainen, kun taas -ness-tyyppien määrissä ei ole tilastollisesti merkittäviä eroja. Alhaisimpien yhteiskuntaryhmien osalta tuloksia ei saada, koska niiltä on korpuksessa liian vähän dataa. Analyysissä paljastuu myös yllättävä eroavaisuus: korpuksen ajallisesti ensimmäisessä puoliskossa (1600-1639) on merkittävän vähän -ity-tyyppejä. Tämä voidaan tulkita kielelliseksi muutokseksi: -ity-johtimen produktiivisuus kasvaa kirjeissä 1600-luvun aikana. Saattaa olla, että johtimen produktiivisuus on ensin kasvanut formaalimmissa tekstilajeissa, joista lisääntynyt käyttö on sitten levinnyt myös kirjeisiin, ehkäpä 1640-luvun sisällissodan synnyttämien kontaktiverkostojen siivittämänä. Tuloksien perusteella voidaan sanoa, että sosiolingvistinen vaihtelu on merkittävä tekijä ainakin joittenkin johtimien produktiivisuudessa, joten vaihtelua on syytä tutkia enemmänkin. Tutkimuksessa käytetty metodi mahdollistaa osakorpuksien tyyppimäärien luotettavan vertailun melko pienissäkin korpuksissa, joten se soveltuu hyvin niin historialliseen kielitieteeseen kuin sosiolingvistiikkaankin.

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Suomen koulutuspolitiikasta vastaavat viranomaiset ovat reagoineet kansainvälisten kommunikaatiotarpeiden asettamiin haasteisiin ja muuttaneet yhden lukion A-tasoisen vieraan kielen kurssin sisällön vastaamaan suullisen viestinnän tarpeita. Tutkimuksessa selvitetään, miten englannin puhestrategioita voi opettaa suomalaisille lukiolaisille ja mitä metodeja on käytettävissä puhestrategioiden oppimisen arvioimiseksi. Vastaan asettamiini kysymyksiin aikaisemman tutkimuskirjallisuuden ja englannin kielen lukio-opetuksesta keräämäni aineiston avulla. Keskeisiä elementtejä tutkielmassa ovat erityisesti pragmaattinen kompetenssi ja kolme yleisen tason puhestrategiaa (keskustelun aloittaminen, oman puheenvuoron säilyttäminen sekä keskustelun ylläpitäminen). Aineistossa on mukana 65 ensimmäisen vuosiluokan lukiolaista (luokka A ja B) Helsingistä ja Espoosta. Opetusmateriaalina on käytetty SCOTS korpusta; tarkemmin määriteltynä puhetiedosto nimeltä Conversation 20: Four secondary school girls in the North East. Tiedostossa esille tulleet, kolmeen puhestrategiaan liittyvät fraasit, sanat ja rakenteet havainnollistettiin opiskelijoille mm. AntConc - konkordanssiohjelman avulla. Opiskelijat tekivät myös kirjallisia ja suullisia harjoituksia, jotka liittyivät puhestrategioihin. Neljälle vapaaehtoiselle opiskelijalle suunnattu toinen suullinen tehtävätyyppi vapaamuotoisine keskusteluineen äänitettiin, transkriboitiin ja tuloksia arvioitiin mm. eurooppalaisen viitekehyksen avulla. Lisäksi B - luokka vastasi kyselylomakkeeseen, jossa kysyttiin heidän mielipiteitään esim. hyödyllisimmästä testioppitunnista sekä heidän osallistumishalukkuudestaan uudelle pitkän englannin kahdeksannelle syventävälle kurssille. Tutkimustulokset ovat kannustavia ja osoittavat, että puhestrategioita on mahdollista opettaa jo lukiotasolla. Vaikka tutkimuksessa käytetty lähestymistapa oli opiskelijoille osittain uusi, valtaosa heistä myönsi oppineensa uutta englannin kielen keskustelurakenteista. Lisäksi vapaaehtoisten opiskelijoiden äänitetyt ja transkriboidut keskustelut tarjoavat hyvän lähtökohdan mahdolliselle jatkotutkimukselle.

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A 26-hour English reading comprehension course was taught to two groups of second year Finnish Pharmacy students: a virtual group (33 students) and a teacher-taught group (25 students). The aims of the teaching experiment were to find out: 1.What has to be taken into account when teaching English reading comprehension to students of pharmacy via the Internet and using TopClass? 2. How will the learning outcomes of the virtual group and the control group differ? 3. How will the students and the Department of Pharmacy respond to the different and new method, i.e. the virtual teaching method? 4. Will it be possible to test English reading comprehension learning material using the groupware tool TopClass? The virtual exercises were written within the Internet authoring environment, TopClass. The virtual group was given the reading material and grammar booklet on paper, but they did the reading comprehension tasks (written by the teacher), autonomously via the Internet. The control group was taught by the same teacher in 12 2-hour sessions, while the virtual group could work independently within the given six weeks. Both groups studied the same material: ten pharmaceutical articles with reading comprehension tasks as well as grammar and vocabulary exercises. Both groups took the same final test. Students in both groups were asked to evaluate the course using a 1 to 5 rating scale and they were also asked to assess their respective courses verbally. A detailed analysis of the different aspects of the student evaluation is given. Conclusions: 1.The virtual students learned pharmaceutical English relatively well but not significantly better than the classroom students 2. The overall student satisfaction in the virtual pharmacy English reading comprehension group was found to be higher than that in the teacher-taught control group. 3. Virtual learning is easier for linguistically more able students; less able students need more time with the teacher. 4. The sample in this study is rather small, but it is a pioneering study. 5. The Department of Pharmacy in the University of Helsinki wishes to incorporate virtual English reading comprehension teaching in its curriculum. 6. The sophisticated and versatile TopClass system is relatively easy for a traditional teacher and quite easy for the students to learn. It can be used e.g. for automatic checking of routine answers and document transfer, which both lighten the workloads of both parties. It is especially convenient for teaching reading comprehension. Key words: English reading comprehension, teacher-taught class, virtual class, attitudes of students, learning outcomes

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Bertrand Russell (1872 1970) introduced the English-speaking philosophical world to modern, mathematical logic and foundational study of mathematics. The present study concerns the conception of logic that underlies his early logicist philosophy of mathematics, formulated in The Principles of Mathematics (1903). In 1967, Jean van Heijenoort published a paper, Logic as Language and Logic as Calculus, in which he argued that the early development of modern logic (roughly the period 1879 1930) can be understood, when considered in the light of a distinction between two essentially different perspectives on logic. According to the view of logic as language, logic constitutes the general framework for all rational discourse, or meaningful use of language, whereas the conception of logic as calculus regards logic more as a symbolism which is subject to reinterpretation. The calculus-view paves the way for systematic metatheory, where logic itself becomes a subject of mathematical study (model-theory). Several scholars have interpreted Russell s views on logic with the help of the interpretative tool introduced by van Heijenoort,. They have commonly argued that Russell s is a clear-cut case of the view of logic as language. In the present study a detailed reconstruction of the view and its implications is provided, and it is argued that the interpretation is seriously misleading as to what he really thought about logic. I argue that Russell s conception is best understood by setting it in its proper philosophical context. This is constituted by Immanuel Kant s theory of mathematics. Kant had argued that purely conceptual thought basically, the logical forms recognised in Aristotelian logic cannot capture the content of mathematical judgments and reasonings. Mathematical cognition is not grounded in logic but in space and time as the pure forms of intuition. As against this view, Russell argued that once logic is developed into a proper tool which can be applied to mathematical theories, Kant s views turn out to be completely wrong. In the present work the view is defended that Russell s logicist philosophy of mathematics, or the view that mathematics is really only logic, is based on what I term the Bolzanian account of logic . According to this conception, (i) the distinction between form and content is not explanatory in logic; (ii) the propositions of logic have genuine content; (iii) this content is conferred upon them by special entities, logical constants . The Bolzanian account, it is argued, is both historically important and throws genuine light on Russell s conception of logic.

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In cardiac myocytes (heart muscle cells), coupling of electric signal known as the action potential to contraction of the heart depends crucially on calcium-induced calcium release (CICR) in a microdomain known as the dyad. During CICR, the peak number of free calcium ions (Ca) present in the dyad is small, typically estimated to be within range 1-100. Since the free Ca ions mediate CICR, noise in Ca signaling due to the small number of free calcium ions influences Excitation-Contraction (EC) coupling gain. Noise in Ca signaling is only one noise type influencing cardiac myocytes, e.g., ion channels playing a central role in action potential propagation are stochastic machines, each of which gates more or less randomly, which produces gating noise present in membrane currents. How various noise sources influence macroscopic properties of a myocyte, how noise is attenuated and taken advantage of are largely open questions. In this thesis, the impact of noise on CICR, EC coupling and, more generally, macroscopic properties of a cardiac myocyte is investigated at multiple levels of detail using mathematical models. Complementarily to the investigation of the impact of noise on CICR, computationally-efficient yet spatially-detailed models of CICR are developed. The results of this thesis show that (1) gating noise due to the high-activity mode of L-type calcium channels playing a major role in CICR may induce early after-depolarizations associated with polymorphic tachycardia, which is a frequent precursor to sudden cardiac death in heart failure patients; (2) an increased level of voltage noise typically increases action potential duration and it skews distribution of action potential durations toward long durations in cardiac myocytes; and that (3) while a small number of Ca ions mediate CICR, Excitation-Contraction coupling is robust against this noise source, partly due to the shape of ryanodine receptor protein structures present in the cardiac dyad.

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Frictions are factors that hinder trading of securities in financial markets. Typical frictions include limited market depth, transaction costs, lack of infinite divisibility of securities, and taxes. Conventional models used in mathematical finance often gloss over these issues, which affect almost all financial markets, by arguing that the impact of frictions is negligible and, consequently, the frictionless models are valid approximations. This dissertation consists of three research papers, which are related to the study of the validity of such approximations in two distinct modeling problems. Models of price dynamics that are based on diffusion processes, i.e., continuous strong Markov processes, are widely used in the frictionless scenario. The first paper establishes that diffusion models can indeed be understood as approximations of price dynamics in markets with frictions. This is achieved by introducing an agent-based model of a financial market where finitely many agents trade a financial security, the price of which evolves according to price impacts generated by trades. It is shown that, if the number of agents is large, then under certain assumptions the price process of security, which is a pure-jump process, can be approximated by a one-dimensional diffusion process. In a slightly extended model, in which agents may exhibit herd behavior, the approximating diffusion model turns out to be a stochastic volatility model. Finally, it is shown that when agents' tendency to herd is strong, logarithmic returns in the approximating stochastic volatility model are heavy-tailed. The remaining papers are related to no-arbitrage criteria and superhedging in continuous-time option pricing models under small-transaction-cost asymptotics. Guasoni, Rásonyi, and Schachermayer have recently shown that, in such a setting, any financial security admits no arbitrage opportunities and there exist no feasible superhedging strategies for European call and put options written on it, as long as its price process is continuous and has the so-called conditional full support (CFS) property. Motivated by this result, CFS is established for certain stochastic integrals and a subclass of Brownian semistationary processes in the two papers. As a consequence, a wide range of possibly non-Markovian local and stochastic volatility models have the CFS property.

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The usual task in music information retrieval (MIR) is to find occurrences of a monophonic query pattern within a music database, which can contain both monophonic and polyphonic content. The so-called query-by-humming systems are a famous instance of content-based MIR. In such a system, the user's hummed query is converted into symbolic form to perform search operations in a similarly encoded database. The symbolic representation (e.g., textual, MIDI or vector data) is typically a quantized and simplified version of the sampled audio data, yielding to faster search algorithms and space requirements that can be met in real-life situations. In this thesis, we investigate geometric approaches to MIR. We first study some musicological properties often needed in MIR algorithms, and then give a literature review on traditional (e.g., string-matching-based) MIR algorithms and novel techniques based on geometry. We also introduce some concepts from digital image processing, namely the mathematical morphology, which we will use to develop and implement four algorithms for geometric music retrieval. The symbolic representation in the case of our algorithms is a binary 2-D image. We use various morphological pre- and post-processing operations on the query and the database images to perform template matching / pattern recognition for the images. The algorithms are basically extensions to classic image correlation and hit-or-miss transformation techniques used widely in template matching applications. They aim to be a future extension to the retrieval engine of C-BRAHMS, which is a research project of the Department of Computer Science at University of Helsinki.