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In this chapter we develop an agenda for future research on the personalization of politics. To do so, we clarify the propositions of the personalization hypothesis, critically discuss the normative standard on which most studies base their evaluation of personalization, and systematically summarize empirical research findings. We show that the condemnation of personalization is based on a trivial logic and on a maximalist definition of democracy. The review of empirical studies leads us to question the assumption that personalization has steadily increased in all areas of politics. Finally, our normative considerations help us develop new research questions on how personalized politics affects democracy. Moreover, this review also makes clear that another weakness of today's empirical research on the personalization of politics lies in methodological problems and a lack of analysis of the impacts of systemic and contextual variables. Consequently, we suggest methodological pathways and possible explanatory factors for the study of personalization.
Human mimicry
(2009)
Human mimicry is ubiquitous, and often occurs without the awareness of the person mimicking or the person being mimicked. First, we briefly describe some of the major types of nonconscious mimicry -verbal, facial, emotional, and behavioral- and review the evidence for their automaticity. Next, we argue for the broad impact of mimicry and summarize the literature documenting its influence on the mimicry dyad and beyond. This review highlights the moderators of mimicry as well, including the social, motivational, and emotional conditions that foster or inhibit automatic mimicry. We interpret these findings in light of current theories of mimicry. First, we evaluate the evidence for and against mimicry as a communication tool. Second, we review neuropsychological research that sheds light on the question of how we mimic. What is the cognitive architecture that enables us to do what we perceive others do? We discuss a proposed system, the perception-behavior link, and the neurological evidence (Le., the mirror system) supporting it. We will then review the debate on whether mimicry is innate and inevitable. We propose that the architecture enabling mimicry is innate, but that the behavioral mimicry response may actually be (partly) a product of learning or associations. Finally. we speculate on what the behavioral data on mimicry may imply for the evolution of mimicry.
The basic problem of primary audio and video research materials is clearly shown by the survey: A great and important part of the entire heritage is still outside archival custody in the narrower sense, scattered over many institutions in fairy small collections, and even in private hands. reservation following generally accepted standards can only be carried out effectively if collections represent critical mass. Specialised audiovisual archives will solve their problems, as they will sooner or later succeed in getting appropriate funding to achieve their aims. A very encouraging example is the case of the Netherlands. The larger audiovisual research archives will also manage, more or less autonomously, the transfer of contents in time. For a considerable part of the research collections, however, the concept of cooperative models and competence centres is the only viable model to successfullly safeguard their holdings. Their organisation and funding is a considerable challenge for the scientific community. TAPE has significantly raised awareness of the fact that, unless action is swiftly taken, the loss of audiovisual materials is inevitable. TAPE’s international and regional workshops were generally overbooked. While TAPE was already underway, several other projects for the promotion of archives have received grants from organisations other than the European Commission, inter alia support for the St. Petersburg Phonogram Archive, and the Folklore Archive in Tirana, obviously as a result of a better understanding of the need for audiovisual preservation. When the TAPE project started its partners assumed that cooperative projects would fail because of the notorious distrust of researchers, specifically in the post-communist countries. One of the most encouraging surprises was to learn that, at least in the most recent survey, it became apparent that this social obstacle is fading out. TAPE may have contributed to this important development.
Agglutinated foraminiferal assemblages from the Oligocene section of an exploration well drilled in the distal part of the Congo Fan are fully documented and interpreted for palaeoenvironment. A total of 65 ditch cutting samples were analysed at 10 m intervals, from 3630 to 4270 m below rotary table. An average of 170 specimens were extracted per sample, with over 100 species being documented and described using SEM and light photography. The results reveal the most taxonomically diverse deepsea Oligocene fauna yet described. Six assemblages have been defined and analysed with Correspondence and 'Morphogroup' Analysis. These are 1. Nothia robusta / Reticulophragmium Assemblage (4110-4270 m), 2. Nothia robusta / Scherochorella congoensis / Discammilloides sp. 1 Assemblage (4000-4100 m), 3. High diversity Reticulophragmium Assemblage (3870-3990 m), 4. Portatrochammina profunda Assemblage (3790-3860 m), 5. Nothia latissima Assemblage (3730-3780 m) and 6. Low abundance Assemblage (3630-3720 m). Palaeobathymetric estimates range from middle -lower bathyal based on comparison with living taxa and morphogroup distributions. These results extend the known stratigraphic range (last occurrences) of Reticulophragmium amp/eetens into the Oligocene in the Atlantic, and possibly also Paratrochamminoides gorayskii, Paratrochamminoides olszewskii, Trochamminoides aff. proteus, Trochamminoides subcoronatus, Haplophragmoides horridus and Haplophragmoides walteri, although reworking is documented with these species. Results also extend the known first occurrences of Recurvoides azuaensis, Spiropsammina primula, Cyclammina aff. orbicularis, Discamminoides sp. and Glaphyrammina americana into the Oligocene. Large scale variations within faunas are largely assigned to documente d variations in sand content, where higher proportions of sand generally coincide with reduced diversity and abundance along with a dominance of opportunistic species such as Nothia robusta, Nothia latissima and Ammodiscus latus. A major excursion in the infaunal morpho group, suspension-feeding morpho group and diversity and abundance within Assemblage 2 is termed the 'Scherochorella Event', and does not correlate with an increase in sand. This fauna is thought to be the result of lower oxygen conditions allowing the dominance of the low oxygen morphotype Scherochorella congoensis and the opportunistic species Nothia robusta. Deep-water circulation in the Atlantic at this time is generally thought to have been strong, and this event suggests that there may have been a temporary expansion of the oxygen minimum zone during the Late Oligocene, coinciding with increased benthic 8180 values, global cooling, and increased upwelling associated with a stronger polar front. The otherwise high diversity of the fauna in the well supports the interpretation of well-oxygenated conditions.
In the article, a travel sketch of Danish playwright Kaj Munk (1898 – 1944) is analytically considered. The analysis of this text allows drawing at least three conclusions: 1. Explicit motive of seasickness, figuring here as antithetic modification of implicite present free-standing posture motive, symbolizes idea of disintegrating personality. 2. Such a symbolism is deeply rooted in that of Danish identity. 3. From literary styles and trends history point of view, the sketch appears to be typical of that line in expressionism, which continues tradition of symbolism as artistic and literary trend of late 19th century.
German soldiers were not actively engaged in Gulf War I or the post-11 September war on terrorism. Coincidentally, however, Germany reflected upon fundamental changes in immigration and asylum law in the early 1990s as well as in the early 2000s. Yet, the relationship between immigration, asylum, and terrorism was conceived of very differently. In the early 1990s, measures combating terrorism did not directly relate to immigration and asylum law. Rather, they were primarily connected to criminal law. IN the aftermath of the attacks of 11 September 2001, measures against terrorism and changes in immigration law were intrinsically entwined.
Plural semantics for natural language understanding : a computational proof-theoretic approach
(2005)
The semantics of natural language plurals poses a number of intricate problems – both from a formal and a computational perspective. In this thesis I investigate problems of representing, disambiguating and reasoning with plurals from a computational perspective. The work defines a computationally suitable representation for important plural constructions, proposes a tractable resolution algorithm for semantic plural ambiguities, and integrates an automatic reasoning component for plurals. My solution combines insights from formal semantics, computational linguistics and automated theorem proving and is based on the following main ideas. Whereas many existing approaches to plural semantics work on a model-theoretic basis using higher-order representation languages I propose a proof-theoretic approach to plural semantics based on a flat firstorder semantic representation language thus showing that a trade-off between expressive power and logical tractability can be found. The problem of automatic disambiguation of plurals is tackled by a deliberate decision to drastically reduce recourse to contextual knowledge for disambiguation but rely instead on structurally available and thus computationally manageable information. A further central aspect of the solution lies in carefully drawing the borderline between real ambiguity and mere indeterminacy in the interpretation of plural noun phrases. As a practical result of my computational proof-theoretic approach to plural semantics I can use my methods to perform automated reasoning with plurals by applying advanced firstorder theorem provers and model-generators available off-the shelf. The results are prototypically implemented within the two logic-oriented natural language understanding applications DRoPs and Attempto. DRoPs provides an automatic plural disambiguation component for uncontrolled natural language whereas Attempto works with a constructive disambiguation strategy for controlled natural language. Both systems provide tools for the automated analysis of technical texts allowing users for example to automatically detect inconsistencies, to perform question answering, to check whether a conjecture follows from a text or to find equivalences and redundancies.
This dissertation investigates developments in the performance of J. S. Bach’s music in the second half of the 20th century, as reflected in recordings of the Mass in B Minor, BWV 232. It places particular emphasis on issues relating to concepts of expression through performance. Between the 1950s and the 1980s, most Bach performers shared a partial consensus as to what constitutes expression in performance (e.g., intense sound; wide dynamic range; rubato). Arguments against the application of such techniques to Bach’s works were often linked with the view that his music is more “objective” than later repertoires; or, alternatively, that expressive elements in Bach’s music are self-sufficient, and should be not be intensified in performance. Historically-informed performance (HIP), from the late 1960s onwards, has been characterised by greater attention to the inflection of local details (i.e., individual figures and motifs). In terms of expressive intensity, this led to contradictory results. On the one hand, several HIP performances were characterised by a narrow overall dynamic range, light textures, fast tempi and few contrasts; these performances were often considered lightweight. On the other hand, HIP also promoted renewed interest in the practical application of Baroque theories of musical rhetoric, inspiring performances which projected varied intensity within movements. More recently, traditional means of expression have enjoyed renewed prominence. Ostensibly “romantic” features such as broad legati, long-range crescendi and diminuendi, and organic shaping of movements as wholes have been increasingly adopted by HIP musicians. In order to substantiate the narrative outlined above, the significance of the evidence preserved in sound recordings had to be checked against other sources of information. This dissertation is divided into two main parts. The first part focuses on specific “schools” of prominent Bach performers. Complete recordings of the Mass are examined in relation to the biographical and intellectual backgrounds of the main representatives of these schools, their verbally-expressed views on Bach’s music and on their own role as performers, and their style as documented in recordings of other works. The second part examines the performance history of specific movements within the Mass, comparing the interpretations preserved in sound recordings with relevant verbal analyses and commentaries. The dissertation as a whole therefore combines the resources of reception and performance studies. Beyond its specific historical conclusions concerning Bach performance in the post-war era, it also provides specific insights into Bach’s music, its meaning and its role in contemporary culture.
IAD annual report
(2003)
The Institute for Aboriginal Development Incorporated (IAD) was established by the Uniting Church in 1969 to assist community development for Aboriginal people and provide cross-cultural education between Aboriginal and non-Aboriginal society. It is now an independent Aboriginal community-controlled language resource centre and adult education centre serving the Aboriginal community of Central Australia. General IAD activities include: * education programs which range from literacy and numeracy to vocational and higher education level courses; * an Aboriginal language and culture centre specialising in language cross-culture and cultural maintenance programs, as well as providing interpreter services and language research * a publishing arm, IAD Press, which produces material on the Aboriginal people, language and culture of Central Australia.
Angkor Wat's "Churning of the Sea of Milk" bas-relief masterpiece is unique among "Churning" depictions for its naturalistic presentation of fishes and other aquatic animals. Their behavior clearly indicates that they have been poisoned, as related in the myth of the Churning. The poisoned fish are being cut in two by the sword of Suryavarman II as Vishnu. Also notable is the inclusion of the mythical beast known as gajasimha. The little known Angkor Wat bas-relief called the "Fete nautique des Dvaravati", also a masterpiece, realisticany portrays people making music, playing chess, fishing, hunting, and engaged in other aeti vities, in the midst of a forested wetland filled with birds, fish, crocodiles and other animals. The scene also portmys two royal pleasure boats, one with Garuda on its prow and the other with a gajasimha. Gajasimha is an Indian and Khmer makara associated in Khmer iconography with the Hindu god Vishnu. Suryavarman II was one of the few Khmer kings to be identified with Vishnu. Garuda and gajasimha were employed repeatedly to symbolize this relationship. This symbolism is employed in several significant innovations in Khmer iconography. These include replacement of the naga Ananta or Sesha by a gajasimha in representations of Vishnu Anantasayin; the distinctive "Garuda-gajasimha" balustrades, and use of the head of gajasimha or its elephantine trunk as the apical finials (dong chivea. Iliya, or chota) on Cambodian, Laotian, and Thai Buddhist temples. Fish figure importantly in numerous Bayon bas-reliefs. Many of these depict ordinary people engaged in activities such as cooking, gambling, cockfighting, and fishing. Others apparently depict events or incidents in the life of Jayavarman VII including his military victories, building activities, and apotheosis as Jayahuddha or Buddha-King, as well as his tolerant attitude towards other religions. There are also indications that he had an abiding interest in natural history.
There is an inexhaustible stream of theoretical work on aspect. More than 20 major books of a gelteral nature have come out during the past few years, not to mention the vast amount of shorter articles. The theoretical proposals found in these works are often radically different. What is the state of the art in this highly controversial area? To what extent can the "ordinary working linguist" profit from the flood of theoretical proposals? This paper started out as a review article on five recent books on aspect. These reviews are incorporated here into a general assessment of contemporary aspect theories. We will classify different approaches to aspect and try to sort out their theoretical primitives. The paper concludes wich a brief summary pointing out the most urgent desiderata for a typologically adequate approach to aspect.
The Asian financial crisis of 1997-98 was one of the most dramatic economic events of recent times, which raised many questions regarding the appropriate policy response to financial crises. This paper reviews the experience of this crisis, focusing on the overall strategy of crisis management and the way that strategy was implemented including, with regard to official and private financing, structural reforms, and monetary and fiscal policies.
Bilingual education is the use of the native tongue to instruct limited Englishspeaking children. The authors read studies of bilingual education from the earliest period of this literature to the most recent. Of the 300 program evaluations read, only 72 (25%) were methodologically acceptable - that is, they had a treatment and control group and a statistical control for pre-treatment differences where groups were not randomly assigned. Virtually all of the studies in the United States were of elementary or junior high school students and Spanish speakers; The few studies conducted outside the United States were almost all in Canada. The research evidence indicates that, on standardized achievement tests, transitional bilingual education (TBE) is better than regular classroom instruction in only 22% of the methodologically acceptable studies when the outcome is reading, 7% of the studies when the outcome is language, and 9% of the studies when the outcome is math. TBE is never better than structured immersion, a special program for limited English proficient children where the children are in a self-contained classroom composed solely of English learners, but the instruction is in English at a pace they can understand. Thus, the research evidence does not support transitional bilingual education as a superior form of instruction for limited English proficient children.
This article examines the type of economic analyses of capitalism presented by leading exponents of the neoclassical, marxian, Austrian and institutionalist schools of economic thought. Although each school has something to offer, it is argued that all except the institutionalist school are largely insensitive to different types of structure within capitalism and are blind to the cultures and institutions which characterize different kinds of capitalism. This conclusion is reached by addressing three issues: the problem of universal and specific assumptions in economic analysis; the question of "necessary impurities" in an economic system; and the relationship between actor and structure. It is concluded that institutional economics is most sensitive to the immense actual and potential variety within capitalism itself, and recognizes that the development of different capitalist systems can be divergent rather than convergent.
Since the study of economic development began in earnest at the close of the Second World War, academics and policymakers have debated the appropriate role of public policy in developing economies. East Asia has a remarkable record of high and sustained economic growth. From 1965 to 1990 its 23 economies grew faster than those of all other regions. Most of this achievement is attributable to seemingly miraculous growth in just eight high performing Asian economies (HPAEs)-Japan; the "four tigers": Hong Kong, the Republic of Korea, Singapore, and Taiwan; and the three newly industrializing economies (NIEs) of Southeast Asia, Indonesia, Malaysia, and Thailand. The East Asian economies provide a range of policy frameworks-extending from Hong Kong's nearly complete laissez faire to the highly selective policy regimes of Japan and Korea. The coexistence of activist public policies and rapid growth in some of the East Asian economies-especially Japan, Korea, Singapore, and Taiwan-has raised complex and controversial questions concerning the relationship between government, the private sector, and the market. This essay looks at four public policy lessons of the East Asian miracle. Section 1 argues that the eight HPAEs can be grouped together and distinguished from other low- and middle-income countries on the basis of their rapid, sustained, and shared growth. Section 2 examines the controversy over the sources of growth in the HP AEs and presents evidence on the relative roles of accumulation and total factor productivity (TFP) change. Section 3 discusses two aspects of public policy in East Asia that conform to the conventional wisdom concerning good development policy-macroeconomic management and broad-based educational policies. Section 4 examines two more controversial issues -the significance of the HPAEs' export push strategies and industrial policies for TFP change. It concludes that export orientation rather than selective intervention played the dominant role in increasing economywide TFP growth rates.
Jurassic accretionary complex of the Tamba terrane, southwest Japan, and its formative process
(1993)
The paper focuses on business negotiation in settings in which participants from different mothertongue backgrounds choose French, English andfor German as one of their languages of communication. A general scheme of the action-pattem of buying and selling will be sketched out which allows us to analyze specific Courses of verbal actions according ta their communicative functions within the negotiation process. In particular, the discourse of business communication is to be specified as a decision making process on the part of the buyer which is executed in a step-by-step order, and which is Open to the application of a bundle of the seller's strategies, tactics, and communicative techniques. In international negotiations, effects of unobserved miscommunication are, among others, far-stretched communicative circles, prolongation of negotiation time, non-functional explanations and several other repetitive structures. 1. Languages of trade and commerce - languages of communication 2. Communication in a Buy-Sell-Context is patterned 2.1. Entering the Pattern 2.2. The Main Phase 2.3. The Bidding Phase 2.4. The Specifc Conditions 2.5. Negotiating the Contract 3. The Central Point 3.1. The Buyer's Decision-Making Process 3.2 Decision-Making and Role-Playing 3.3. Intercultural Difference of the Decision-Making Process 4. Bridging the Buyer's Gap of Knowledge 5. The Language of Trade and Commerce 6. The Needs of Further Research: Data References
The study adressed 4 basic issues: (1) What are the substantive contents of human values? (2) Can we identify a comprehensive set of values? (3) To what extent is the meaning of particular values equivalent for different groups of people? (4) How are the relations among different values structured? These issues required resolution before the antecedents and consequences of value priorities, or cross-cultural differences in such priorities, could be studied effectively. Substantial progress has been made toward resolving each of these issues.
A series of studies using a GO versus No-go task examined the question of whether preliminary information available early in the recognition of a stimulus is made available to later processes before stimulus recognition is finished, a question relevant to the controversy between discrete and continuous models. Experiment 1 showed that a go resporise is faster following a cue indicating that the response probably would be required than following a cue indicating it probably would not be required. Experiments 2-7 were conducted to find out whether analogous preparation occurred when probability of the Go response was signalied by easily discriminable features of a single stimulus rather than a separate cue. The effect was observed when the easily disenminable features uniquely determined the name of the stimulus letter, but not when they merely indicated that the stirnulus name was one of two visually similar letters. These results are consistent with the Asynchronous Discrete Coding model, in which the perceptual system makes available to later processes only preliminary information corresponding to discretely activated stimulus attributes.
This article examines the negotiating process between the Brazilian state and transnational auto companies. It argues against dichotomous frameworks that emphasize either economic or political variables in shaping foreign direct investment and in favor of a more complicated bargaining framework that takes into account the strategic objectives of state policy as well as the form and timing of firm investment. Using archival evidence and interviews, the article documents the implantation of the industry; it concludes that the process of finn entry into Brazil must be understood in light of the policies and institutions that made the threat of market closure and the deadlines credible and made it costly for firms not to participate on schedule.
On Claude Dupuy (1545-1594)
(1991)
The calculation of rate coefficients is a discipline of nonlinear science of importance to much of physics, chemistry, engineering, and biology. Fifty years after Kramers' seminal paper on thermally activated barrier crossing, the authors report, extend, and interpret much of our current understanding relating to theories of noise-activated escape, for which many of the notable contributions are originating from the communities both of physics and of physical chemistry. Theoretical as well as numerical approaches are discussed for single- and many-dimensional metastable systems (including fields) in gases and condensed phases. The role of many-dimensional transition-state theory is contrasted with Kramers' reaction-rate theory for moderate-to-strong friction; the authors emphasize the physical situation and the close connection between unimolecular rate theory and Kramers' work for weakly damped systems. The rate theory accounting for memory friction is presented, together with a unifying theoretical approach which covers the whole regime of weak-to-moderate-to-strong friction on the same basis (turnover theory). The peculiarities of noise-activated escape in a variety of physically different metastable potential configurations is elucidated in terms of the mean-first-passage-time technique. Moreover, the role and the complexity of escape in driven systems exhibiting possibly multiple, metastable stationary nonequilibrium states is identified. At lower temperatures, quantum tunneling effects start to dominate the rate mechanism. The early quantum approaches as well as the latest quantum versions of Kramers' theory are discussed, thereby providing a description of dissipative escape events at all temperatures. In addition, an attempt is made to discuss prominent experimental work as it relates to Kramers' reaction-rate theory and to indicate the most important areas for future research in theory and experiment.
Aboriginal migration from South East Asia is the beginning of Australian economic history. Prehistorians have tended to focus on means to sea travel rather than opportunity and motive to migrate. American and Australian measures of sea depth contours throw new light on possible migration paths and the conditions that might have prompted Aboriginal ancestors to move through island SE Asia to Australia. Interpretation of the data depends on a reconsideration of palaeodemography and the introduction of some economic and historical analysis. Several scenarios suggest possible conditions influencing trends and fluctuations in Aboriginal migration over the past 60,000 years.
We analyzed the possibility of introducing a single stochastic scaling parameter a to describe the spatial variability of soil hydraulic properties, using the soil hydraulic properties of the Hamra field (Russo and Bresler 1981) and the Panache field (Nielsen, Biggar, and Erh 1973). In the traditional approach (Peck, Luxmoore, and Stolzy 1977; Russo and Bresler 1980; Warrick, Mullen, and Nielsen 1977), sets of scaling factors are estimated from the h(s) and K(s) functions. For "perfectly similar media," the two sets of a should be identical. Even though the sets of a in these studies were found to be correlated (table 2), they possessed different statistical properties, and were not identical. Results of structural analyses of the sets of a from the two fields suggested that the spatial structures of the two a-sets are quite distinct, reflecting the different spadal behavior of the h(θ) and the K(θ) functions. Moreover, there was poor correlation between the uncorrelated residuals of the a-sets, indicating that part of the high correlation between the a-sets found in earlier work must stem from the presence of an undetected drift and from correlation between nearby measurements. Under field conditions, the saturated hydraulic conductivity is controlled by the flow of water through large structural voids (macropores), which drain at very small negative values of water pressure. Because of this, we tried eliminating Ks by using relative hydraulic properties instead of the hydraulic properties themselves to estimate the scaling factor sets. For the Hamra field, for which we assumed that the hydraulic properties could be described by the model of Brooks and Corey (1964), we found the resultant sets of scaling factors to be highly correlated (R2 = 0.996) with the same spatial structure, but with slightly different variance. By examining the relationships between the two a-sets implied by the Brooks and Corey (1964) model we saw that (1) in general, both sets will be functions of the range of water saturation values used to estimate them, (2) the correlation between the two sets can be improved for media with broad pore-size distributions, and (3) the two sets will be identical if and only if the relative hydraulic conductivity function K,.(hr) is described by the deterministic function Kr(hr) = hy -2 ("strictly similar media"). This analysis suggests that, for media that are not well described by Kr = hr -2, a scaling factor would be required in addition to a in order to achieve agreement between scaled values of hr(θ) and Kr(θ) at all points. A general model Kr = hr -η was proposed, with η as a second stochastic scaling factor for media that do not obey the restrictive assumptions of macroscopic Miller similitude. In the Hamra field, this modified scaling procedure produced perfect agreement between the scaling hydraulic properties. In the Panache field, with values of η determined from linear regression analysis of the logarithmic transformations of Kr and h,., agreement was improved considerably between the scaled hydraulic properties as compared to the more restrictive scaling procedure. In contrast to the Hamra field, however, there remained some significant differences between the scaled properties. These differences may have been artifacts of the different methods used to estimate the hIs) and the K(s) functions for the Panache field. The results of our analysis suggest that in any transient transport problem involving both K(s) and h(s), the description of their spatial variability requires the use of at least three stochastic variates-Ks , α, and η-not a alone.
Early dietary Islamic law
(1986)
This study is part of a larger work whose aim is to examine the historical significance of the tens of thousands of Islamic silver coins or dirhams which appeared in Eastern Europe during the pre-Mongol era. The first part of this work explored the questions of when and how dirhams first reached European Russia. Very briefly, this initial study led to the following conclusions: 1. Dirhams first reached Eastern Europe about 800 A.D., as R. Fasmer (Vasmer) argued a half-century ago. 2. The earliest dirham hoards from Eastern Europe are almost identical in composition with contemporaneous Near Eastern hoards (both contain a predominance of 'Abbasid coins struck after 769 in Iraq and North Africa). This suggests that the earliest Eastern-European hoards were composed from the Near-Eastern coin stock of the time. 3. The earliest dirham hoards from Eastern Europe are completely different in composition from the contemporaneous hoards found in Transoxiana indicating that the earliest dirhams to reach Eastern Europe did not come via Central Asia. 4. An analysis of the early Caucasian dirham hoards revealed that the composition of some of these hoards differs from that of Eastern-European and Near-Eastern hoards in that the Caucasian hoards contain a higher percentage of dirhams from South-Caucasian mints and a lesser percentage of coins from North-African mints. This suggests that these hoards were composed of dirhams imported from the Near East which had circulated in the Southern Caucasus for some time before being deposited. 5. Other early dirham hoards from the Caucasus, however, are very similar in composition to contemporaneous Near-Eastern and Eastern-European dirham hoards. This suggests that these hoards were composed of coins which were apparently being transported to Eastern Europe from the Near East and were buried accidentally while in route through the Caucasus. In short, the first segment of this research concluded that dirhams began to reach Eastern Europe around the year 800 and that they were imported by the Caucasus or Caspian route from the Near East. The purpose of this study is to investigate the historical circumstances which would explain why dirhams were first brought by the Caucasus or Caspian route to Eastern Europe in the early ninth century. It is pertinent to note that, to the best of my knowledge"no one has yet addressed this fundamental question in any depth. Consequently, in discussing this issue, it is not our intention to claim that the thesis which will be put forward is irrefutable or that no other thesis could explain the available data. Rather, the objective is to raise the question of why dirhams first reached Eastern Europe around 800 A.D. by the Caucasus-Caspian route and to suggest a possible solution. This study should thus be considered as the presentation of a working hypothesis which will hopefully inspire others to examine a basic question of medieval Eurasian history which has been too long ignored.
A brief presentation of iron chemistry is made with emphasis on those aspects relevant to siderophore biochemistry. Siderophore structure and biosynthesis is described. The underlying chemistry associated with, 1, the movement of iron(ill) complexes across membranes and 2, the removal of iron from such complexes is discussed in detail. The ability of siderophores to interact with other metals is considered. Finally, the role of siderophores in infection and their clinical potential as iron scavenging molecules are reviewed.
In addition to a series of questions closely associated with the spatial structure of the Sanctuary of Artemis, from where our work had started, the research has also raised, due to continuous confrontation, matters of greater complexity relating to the structure of the whole city´s layout. Here a brief account is given of the progress made and of the working hypothesis inferring from.
Limited inc abc
(1978)