Roomalaista oikeutta kreikaksi 500-luvun Palestiinassa : Eräitä lakitermejä papyruksessa P. Petra inv. 83

Tutkimuksen tarkoituksena on analysoida eräitä lakitermejä, jotka esiintyvät papyruksessa P. Petra inv. 83. Kyseinen dokumentti, joka sisältää sopimuksen kahden naapuruksen välisen kiistan lopettamiseksi, ajoittuu todennäköisesti vuodelle 574 jKr. ja se kuuluu Jordanian Petrasta vuonna 1993 löydettyyn hiiltyneeseen papyrusarkistoon. Papyrus on tällä hetkellä vielä julkaisematon, ja tämä työ on osa siihen liittyvää perustutkimusta, jonka tarkoituksena on toisaalta selittää tekstin itsensä sisältö, toisaalta arvioida sen antaman informaation merkitystä laajemmassa historiallisessa kontekstissa. Papyrus on kirjoitettu kreikaksi, Bysantin eli Itä-Rooman valtakunnan virallisella kielellä, mutta itse lakitermeistä suurin osa liittyy alun perin latinan kielellä luotuun roomalaiseen oikeuteen. Paikallinen väestö puolestaan oli seemiläistä alkuperää, jolla ei ainoastaan ollut oma kieli, vaan jolla oli ollut ennen valtakuntaan liittämistä omat oikeustraditionsakin. Niinpä papyruksessa esiintyvien termien tutkimuksen kautta nousevat esille monenlaiset laajemmatkin kysymyksenasettelut. Lakitermejä analysoidaan pääasiassa kolmesta näkökulmasta. Ensisijaisena pyrkimyksenä on selvittää niiden tarkka merkitys asiayhteydessään, joka papyruksen fragmentaarisuuden vuoksi ei ole etukäteen selvä, ja siten edistää tekstissä puheena olevien asianhaarojen ymmärtämistä. Toiseksi termien käyttöä koskevat tulokset suhteutetaan yleiseen oikeushistoriaan ja pyritään arvioimaan niiden merkitystä Petrassa käytössä olleen oikeusjärjestelmän kannalta. Kolmas näkökulma on kielitieteellinen, sillä termien käyttö papyruksessa on nähtävä osana laajempaa kehitystä, jossa roomalaisen oikeuden vähittäinen muuttuminen bysanttilaiseksi johti kielten vaihtumiseen ja koko juridisen käsitteistön siirtymiseen latinasta kreikkaan. Siksi tässä työssä käytetään itse papyruksen analyysin lisäksi laajaa vertailumateriaalia, joka koostuu ennen kaikkea roomalaisesta ja bysanttilaisesta lakikirjallisuudesta sekä dokumentaarisesta lähdeaineistosta, etenkin egyptiläisistä papyruksista. Niin tässä papyruksessa kuin muissakin kreikankielisissä lähteissä esiintyvät roomalaiseen oikeuteen liittyvät termit voidaan jaotella suoriin lainoihin, käännöslainoihin sekä komparaatiolainoihin. Jälkimmäisillä tarkoitetaan kreikan kielessä jo aiemmin käytössä olleita termejä, jotka eivät sananmukaiselta merkitykseltään vastaa latinalaisia, mutta joita alettiin käyttää jonkin latinalaisen termin vastineina. Tutkimus tekee selväksi, että olipa kyse mistä lainakategoriasta tahansa, lakitermien siirtyessä kielestä toiseen tapahtui yleensä semanttisia muutoksia eikä termejä aina käytetty samalla tavalla kuin alkukielessä. Merkityskenttä saattoi esimerkiksi supistua taikka laajentua tai sanalle saattoi kehittyä lainautumisen jälkeen täysin uusiakin merkityksiä. Oikeushistorian suhteen on huomioitava ero virallisten säännösten ja provinsseissa noudatettujen käytäntöjen välillä. Kaiken kaikkaan Petra näyttää kuitenkin olleen kiinteä osa Bysantin valtakuntaa, jonka lakeja ainakin pääpiirteissään noudatettiin. Kaikkien termien käytötavat eivät tosin ole johdettavissa suoraan virallisiin lakikorpuksiin, mutta ne eivät myöskään sodi niitä vastaan. Roomalaisen oikeuden tuntemus näyttää olleen Petrassa jopa parempaa kuin esimerkiksi Egyptissä. Mitä tulee papyruksessa puheena oleviin konkreettisiin asianhaaroihin, termien merkityksen ymmärtäminen selventää joidenkin aspektien pääpiirteitä, kun taas yksityskohdat jäävät tekstin fragmentaarisuuden takia useimmiten epäselviksi. Avainsanat: papyrologia, Petra, roomalainen oikeus, terminologia, kreikan kieli, latinan kieli, lainasanat

Bysanttilaisten ja Akhaian ruhtinaskunnan väliset sotatoimet vuosina 1259-83 : Tapaustutkimus myöhäis-bysanttilaisesta sodankäynnistä

In my master thesis I analyse Byzantine warfare in the late period of the empire. I use military operations between Byzantines and crusader Principality of Achaia (1259–83) as a case study. Byzantine strategy was based (in “oriental manner”) on using ambushes, diplomacy, surprise attacks, deception etc. Open field battles that were risky in comparison with their benefits were usually avoided, but the Byzantines were sometimes forced to seek open encounter because their limited ability to keep strong armies in field for long periods of time. Foreign mercenaries had important place in Byzantine armies and they could simply change sides if their paymasters ran out of resources. The use of mercenaries with short contracts made it possible that the composition of an army was flexible but on the other hand heterogeneous – in result Byzantine armies were sometimes ineffective and prone to confusion. In open field battles Byzantines used formation that was made out from several lines placed one after another. This formation was especially suitable for cavalry battles. Byzantines might have also used other kinds of formations. The Byzantines were not considered equal to Latins in close combat. West-Europeans saw mainly horse archers and Latin mercenaries on Byzantine service as threats to themselves in battle. The legitimacy of rulers surrounding the Aegean sea was weak and in many cases political intrigues and personal relationships can have resolved the battles. Especially in sieges the loyalty of population was decisive. In sieges the Byzantines used plenty of siege machines and archers. This made fast conquests possible, but it was expensive. The Byzantines protected their frontiers by building castles. Military operations against the Principality of Achaia were mostly small scale raids following an intensive beginning. Byzantine raids were mostly made by privateers and mountaineers. This does not fit to the traditional picture that warfare belonged to the imperial professional army. It’s unlikely that military operations in war against the Principality of Achaia caused great demographic or economic catastrophe and some regions in the warzone might even have flourished. On the other hand people started to concentrate into villages which (with growing risks for trade) probably caused disturbance in economic development and in result birth rates might have decreased. Both sides of war sought to exchange their prisoners of war. These were treated according to conventional manners that were accepted by both sides. It was possible to sell prisoners, especially women and children, to slavery, but the scale of this trade does not seem to be great in military operations treated in this theses.

The scientific basis and development of a matrix metalloproteinase (MMP) -8 specific chair-side test for monitoring of periodontal health and disease from gingival crevicular fluid

Matrix metalloproteinase (MMP) -8, collagenase-2, is a key mediator of irreversible tissue destruction in chronic periodontitis and detectable in gingival crevicular fluid (GCF). MMP-8 mostly originates from neutrophil leukocytes, the first line of defence cells which exist abundantly in GCF, especially in inflammation. MMP-8 is capable of degrading almost all extra-cellular matrix and basement membrane components and is especially efficient against type I collagen. Thus the expression of MMP-8 in GCF could be valuable in monitoring the activity of periodontitis and possibly offers a diagnostic means to predict progression of periodontitis. In this study the value of MMP-8 detection from GCF in monitoring of periodontal health and disease was evaluated with special reference to its ability to differentiate periodontal health and different disease states of the periodontium and to recognise the progression of periodontitis, i.e. active sites. For chair-side detection of MMP-8 from the GCF or peri-implant sulcus fluid (PISF) samples, a dip-stick test based on immunochromatography involving two monoclonal antibodies was developed. The immunoassay for the detection of MMP-8 from GCF was found to be more suitable for monitoring of periodontitis than detection of GCF elastase concentration or activity. Periodontally healthy subjects and individuals suffering of gingivitis or of periodontitis could be differentiated by means of GCF MMP-8 levels and dipstick testing when the positive threshold value of the MMP-8 chair-side test was set at 1000 µg/l. MMP-8 dipstick test results from periodontally healthy and from subjects with gingivitis were mainly negative while periodontitis patients sites with deep pockets ( 5 mm) and which were bleeding on probing were most often test positive. Periodontitis patients GCF MMP-8 levels decreased with hygiene phase periodontal treatment (scaling and root planing, SRP) and even reduced during the three month maintenance phase. A decrease in GCF MMP-8 levels could be monitored with the MMP-8 test. Agreement between the test stick and the quantitative assay was very good (κ = 0.81) and the test provided a baseline sensitivity of 0.83 and specificity of 0.96. During the 12-month longitudinal maintenance phase, periodontitis patients progressing sites (sites with an increase in attachment loss ≥ 2 mm during the maintenance phase) had elevated GCF MMP-8 levels compared with stable sites. General mean MMP-8 concentrations in smokers (S) sites were lower than in non-smokers (NS) sites but in progressing S and NS sites concentrations were at an equal level. Sites with exceptionally and repeatedly elevated MMP-8 concentrations during the maintenance phase were clustered in smoking patients with poor response to SRP (refractory patients). These sites especially were identified by the MMP-8 test. Subgingival plaque samples from periodontitis patients deep periodontal pockets were examined by polymerase chain reaction (PCR) to find out if periodontal lesions may serve as a niche for Chlamydia pneumoniae. Findings were compared with the clinical periodontal parameters and GCF MMP-8 levels to determine the correlation with periodontal status. Traces of C. pneumoniae were identified from one periodontitis patient s pooled subgingival plaque sample by means of PCR. After periodontal treatment (SRP) the sample was negative for C. pneumoniae. Clinical parameters or biomarkers (MMP-8) of the patient with the positive C. pneumoniae finding did not differ from other study patients. In this study it was concluded that MMP-8 concentrations in GCF of sites from periodontally healthy individuals, subjects with gingivitis or with periodontitis are at different levels. The cut-off value of the developed MMP-8 test is at an optimal level to differentiate between these conditions and can possibly be utilised in identification of individuals at the risk of the transition of gingivitis to periodontitis. In periodontitis patients, repeatedly elevated GCF MMP-8 concentrations may indicate sites at risk of progression of periodontitis as well as patients with poor response to conventional periodontal treatment (SRP). This can be monitored by MMP-8 testing. Despite the lower mean GCF MMP-8 concentrations in smokers, a fraction of smokers sites expressed very high MMP-8 concentrations together with enhanced periodontal activity and could be identified with MMP-8 specific chair-side test. Deep periodontal lesions may be niches for non-periodontopathogenic micro-organisms with systemic effects like C. pneumoniae and possibly play a role in the transmission from one subject to another.

Combined Tevatron upper limit on gg->H->W+W- and constraints on the Higgs boson mass in fourth-generation fermion models

We combine results from searches by the CDF and D0 collaborations for a standard model Higgs boson (H) in the process gg->H->W+W- in p=pbar collisions at the Fermilab Tevatron Collider at sqrt{s}=1.96 TeV. With 4.8 fb-1 of integrated luminosity analyzed at CDF and 5.4 fb-1 at D0, the 95% Confidence Level upper limit on \sigma(gg->H) x B(H->W+W-) is 1.75 pb at m_H=120 GeV, 0.38 pb at m_H=165 GeV, and 0.83 pb at m_H=200 GeV. Assuming the presence of a fourth sequential generation of fermions with large masses, we exclude at the 95% Confidence Level a standard-model-like Higgs boson with a mass between 131 and 204 GeV.

Measurement of the b-hadron production cross section using decays to μ-D0X final states in pp̅ collisions at √s=1.96 TeV

We report a measurement of the production cross section for b hadrons in pp̅ collisions at √s=1.96  TeV. Using a data sample derived from an integrated luminosity of 83  pb-1 collected with the upgraded Collider Detector (CDF II) at the Fermilab Tevatron, we analyze b hadrons, Hb, partially reconstructed in the semileptonic decay mode Hb→μ-D0X. Our measurement of the inclusive production cross section for b hadrons with transverse momentum pT>9  GeV/c and rapidity |y|<0.6 is σ=1.30  μb±0.05  μb(stat)±0.14  μb(syst)±0.07  μb(B), where the uncertainties are statistical, systematic, and from branching fractions, respectively. The differential cross sections dσ/dpT are found to be in good agreement with recent measurements of the Hb cross section and well described by fixed-order next-to-leading logarithm predictions.

Measurement of the b-hadron production cross section using decays to μ-D0X final states in pp̅ collisions at √s=1.96 TeV

We report a measurement of the production cross section for b hadrons in pp̅ collisions at √s=1.96  TeV. Using a data sample derived from an integrated luminosity of 83  pb-1 collected with the upgraded Collider Detector (CDF II) at the Fermilab Tevatron, we analyze b hadrons, Hb, partially reconstructed in the semileptonic decay mode Hb→μ-D0X. Our measurement of the inclusive production cross section for b hadrons with transverse momentum pT>9  GeV/c and rapidity |y|<0.6 is σ=1.30  μb±0.05  μb(stat)±0.14  μb(syst)±0.07  μb(B), where the uncertainties are statistical, systematic, and from branching fractions, respectively. The differential cross sections dσ/dpT are found to be in good agreement with recent measurements of the Hb cross section and well described by fixed-order next-to-leading logarithm predictions.