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The report that follows gives the results of tests to deterrnine the compressive strength of artificial roof supports of various kinds used in the mining of anthracite in Pennsylvania. Some of the types tested also are used in bituminous coal mining in Pennsylvania and other parts of the United States. The report was rendered Bebruary 26, 1913, by the United States Bureau of Mines, then in the Interior Department, to the Pennsylvania State Anthracite Mine Cave Commission and was appended, without discussion, to the general report on mine caving made by that commission under date of March 1, 19 13, to the Governor and Legislature of Pennsylvanin. The commission's reporh remains unpublished. As numerous requests have been made for the test data obtained by the Bureau of Mines at its Pittsburgh Experiment Station in 1912-13 and as the data relate to the strength of artificial supports without reference to particular local places of application, they have permanent value in the designing of mine roof supports. It has therefore been deemed advisable to publish the results of the bureau's tests. In order that the reader may understand the reasons for makig these tests of roof supports and the procedure foIIowed by the Pennsylvania commission, its duties will be briefly described. The commission was created by an act of the Legislature of Pennsylvania, approved March 24, 1911, its members being appointed by the Governor of Pennsylvania under the terms of the act. There had been serious cave-ins of the surface in some of the cities and towns in the anthracite districts of Pennsylvania and particularly in the city of Scranton froin 1909 to 1911, destroying surface buildings, public and private, and seriously endangering life. ....
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 present work deals with the problem of the essential factor regulating the wing-stroke frequency in some insects in wing mutilation and loading experiments and in subatmospheric air pressure experiments. The diverse opinions concerning this factor, appearing in the literature, are reviewed. As appears in this review, one of two factors, the inertia of the wings or the resistance of the gas medium, is claimed to be the main regulator of the wingstroke frequency. Therefore two series of experiments have been performed. In the first series the correlation between the moment oi inertia of the wings and the wing-stroke frequency is examined. The wings are mutilated by cutting them transversely, longitudinally or obliquely or loaded with a drop of collodion. It is found that (1) the wing-stroke frequency is proportional to the -0.35th power of the moment of inertia of the wings, that (2) this applies to both mutilation and loading experiments, that (3) it makes no difference whether the procedures are equal or unequal on both sides or only one-sided, and that (4) the frequency tends not to rise above a certain lirnit in mutilation experiments. In the second series of experiments the correlation between the pressure of the gas medium and the wing-stroke frequency is examined. It is found that the effect of pressure varies greatly in different insects and may even be totally absent. The wing-stroke frequency is proportional to (pressure) exp 0 to (pressure) exp -0.25. The degree of the effect is found to depend on the size and the wing-stroke frequency of the insect; the effect is absent in big insects with a medium or high frequency, and more or less present in insects with a small size or with a low frequency. The results are discussed. A theory is constructed using well established physical concepts by considering the wings as acting simultaneously as bodies performing simple harmonic rotary motion and as paddles working against the air. It is assumed that the kinetic energy is destroyed after each single stroke. By making this assumption, the frequency in the energy equation is found to be, within a constant rate of energy output, proportional to the -0.33rd power of the moment of inertia of the wings, and thus agrees very well with the correlation between these factors found experimentally. Further it is found that the aerodynamic work of the wings is in most cases very much smaller than the work done in overcoming the effect of the inertia of the wings. It is negligible in big insects with, a medium or high frequency, but more or less significant in insects with a small size or a low frequency. The magnitude of this effect thus depends, in theory, on the size and the wing-stroke frequency, which entirely agrees with the effect of atmospheric pressure found experirnentally. The inferences drawn from this theory show that (1) the energy economy in a big insect is very wasteful, that (2) the rate of energy output is not greatly varied, that (3) it is profitable for the insect to vary the aerodynamic work of the wings by altering the amplitude rather than the frequency of the stroke, that (4) the distribution of energy in flight is delicately balanced, and that (5) the frequency must be low and the amplitude large in insects of great size and weight, and that a very high frequency and a small amplitude can be afforded only by small insects. Many such observations as have been made in nature agree with these inferences. Furthermore, (6) attempts are made to calculate the muscle efficiency in some insects on the basis of the theory. In Appendix I, the technique used to check and eliminate some sources of error in the methods is described, in Appendix II, an application of tlie theory to derive a law between the wing-stroke frequency and the morphological properties of insects is attempted, and in Appendix III, some laws relating different morphological properties of the wings of insects are described.
The present publication is intended to be a monograph on the family of Burmanniaceae. It is divided into three parts: General Part, Critical Part and Taxonomical Part. The first part, General Part, contains general remarks on the taxonomy, distribution and use of the family. The second part, Critical Part, contains general and geobotanical remarks on the genera of the family, whereas the third part, the Taxonomical Part, gives the determination keys to the tribes, subtribes, genera, sections, subsections and species, the description of these groups with literature, distribution and the indications of the types. New varieties, species and larger groups are described in the taxonomical part in foot-notes.
This thesis exhibits skeins based on the Homfly polynomial and their relations to Schur functions. The closures of skein-theoretic idempotents of the Hecke algebra are shown to be specializations of Schur functions. This result is applied to the calculation of the Homfly polynomial of the decorated Hopf link. A closed formula for these Homfly polynomials is given. Furthermore, the specialization of the variables to roots of unity is considered. The techniques are skein theory on the one side, and the theory of symmetric functions in the formulation of Schur functions on the other side. Many previously known results have been proved here by only using skein theory and without using knowledge about quantum groups.
Epstein and Penner constructed in [EP88] the Euclidean decomposition of a non-compact hyperbolic n-manifold of finite volume for a choice of cusps, n >= 2. The manifold is cut along geodesic hyperplanes into hyperbolic ideal convex polyhedra. The intersection of the cusps with the Euclidean decomposition determined by them turns out to be rather simple as stated in Theorem 2.2. A dual decomposition resulting from the expansion of the cusps was already mentioned in [EP88]. These two dual hyperbolic decompositions of the manifold induce two dual decompositions in the Euclidean structure of the cusp sections. This observation leads in Theorems 5.1 and 5.2 to easily computable, necessary conditions for an arbitrary ideal polyhedral decomposition of the manifold to be a Euclidean decomposition.
Anomalous monism and mental causality : on the debate of Donald Davidson’s philosophy of the mental
(2004)
The English version of the first chapter of Erwin Rogler and Gerhard Preyer: Materialismus, anomaler Monismus und mentale Kausalität. Zur gegenwärtigen Philosophie des Mentalen bei Donald Davidson und David Lewis (2001) "Anomaler Monismus und Mentale Kausalität. Ein Beitrag zur Debatte über Donald Davidsons Philosophie des Mentalen" is a contribution to the current debates on the philosophy of the mental and mental causality initiated from Donald Davidson's philosophy with his article "Mental Events" (1970). It is the intent of the English version to give a response to the controversy among American, British and Australian philosophers in the context of a global exchange of ideas on problems understanding the mental. Contents 1. Preliminary Remarks 2. The Critique of Property-Epiphenomenalism and Counterarguments (a) The Enlargement of Nomological Reasoning (b) The Counterfactual Analysis (c) Supervenient Causality 3. Are Mental Properties real or unreal (fictive)? Abstract Things and events are fundamental entities in Davidson's ontology. Less distinct is the ontological status of properties, especially of mental types. Despite of some eliminative allusions there are weighty reasons to understand Davidson's philosophy of mind as including intentional realism. With it, the question of mental causality arises. There are two striking solutions to this problem: the epiphenomenalism of mental properties and the downward causation of mental events. Davidson cannot accept either. He claims to justify the mental as supervenient causality in order to thus integrate it into physicalism (his version of monism). But his argument at best proves the explanatory, not the causal relevance of mental properties. For this and for other reasons, Davidson fails the aspired synthesis of a sufficiently strong physicalism and the autonomy of the mental; a project whose realization is anyhow hard to achieve.
By most Western Europeans Cyprus is probably perceived as a tourist resort rather than a technologically highly developed country. Interested German visitors are informed by the travel brochure published by the Republic of Cyprus' tourist office that "in the villages old customs and traditions still exist" (Zypern. 9000 Jahre Geschichte und Kultur 1997, 11). Pictures of places of antiquity, churches, monasteries, fortresses, archaic villages and of people engaged in agricultural work and crafts convey the image of a traditional Mediterranean society. However, the Republic of Cyprus is a rapidly modernising country. It has developed recently "from a poor agrarian into a high-income service economy" (Christodoulou 1995, 11) and "radical transformation processes" are observed (cf. ibid., 18). The forthcoming accession to the European Union additionally accelerates the pace of these transformation processes. Due to its position on the extreme rim of Europe in the Eastern Mediterranean region at the crossroads of three continents, the island is perceived both as marginal (cf. Pace 1999) and as a link between Europe and the Asian and African continents (cf. Kasoulides 1999). Cyprus is conceptualised for the future as a centre and intersection: as regional hub of the modern capital market, as communications and trade centre in the Eastern Mediterranean, as "telecommunications hub for the Eastern Mediterranean and Middle East region", as "international services centre". The Republic of Cyprus has a highly developed telecommunications infrastructure, which is the basic prerequisite for the conversion into such a centre and is one of the most important factors for the economic competitiveness of Cyprus. The global nature of communication platforms today, especially the Internet, is regarded as the key to the integration of Cyprus into the world economy. By implementing information technologies and promoting necessary expertise, economic progress and modernisation of the country as well as its global competitiveness is assumed to be guaranteed. Investments in the information technology infrastructure are regarded as essential for the development of Cyprus, fostering the implementation of the information society. This aim and the necessary implementation measures feature increasingly on the agendas of scientific and economic conferences and symposia in Cyprus.
The botanical exploration of Eastern Asia by European travellers and botanists has for a long time attracted the author's attention, and the greater part of the materials for the present work were brought together, many years ago, from various sources of information, frequently unprinted, some of which were only obtainable in China. ...
The formation of vegetable mould : through the action of worms with observations on their habits
(1881)
Illustrations of the British flora : a series of wood engravings with dissections of British plants
(1924)
The illustrations contained in this volume were drawn, with the few exceptions presently referred to, by W. H. Fitch, F.L.S., for the original illustrated edition of Bentham's "Handbook of the British Flora." Since that edition was exhausted they have been issued separately, forming a companion volume to the "Handbook" and to other general, county and local Floras. Additional drawings by W. G. Smith, F.L.S., and others, have been incorporated from time to time illustrating additions to the Flora. The arrangement in the present edition follows that of the latest edition of Bentham's "Handbook."
This review is a summary of my work (partially in collaboration with Kurt Schoenhammer) on higher-dimensional bosonization during the years 1994-1996. It has been published as a book entitled "Bosonization of interacting fermions in arbitrary dimensions" by Springer Verlag (Lecture Notes in Physics m48, Springer, Berlin, 1997). I have NOT revised this review, so that there is no reference to the literature after 1996. However, the basic ideas underlying the functional bosonization approach outlined in this review are still valid today.
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.
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.
Eugene Aram : a tale
(1842)
In discussing final status issues, Palestinians and Israelis approach the question of the refugees and the right of return from radically different perspectives. The Palestinian narrative maintains that the Zionists forcibly expelled the Arab refugees in 1948. The Palestinians insist on the right of the refugees to return to their homes or, for those who choose not to do so, to accept compensation. And they demand that Israel unilaterally acknowledge its complete moral responsibility for the injustice of the refugees’ expulsion. In contrast, the Israeli narrative rejects the refugees’ right of return. Israel argues that it was the Arabs who caused the Palestinian refugee problem, by rejecting the creation of the State of Israel and declaring war upon it—a war which, like most wars, created refugee problems, including a Jewish one. Israel sees the return of Palestinian refugees as an existential threat, insofar as it would undermine the Jewish character and the viability of the state. The two sides’ traditional solutions make no attempt to reconcile these opposing narratives. Yet such an attempt is vital if the issue is to be engaged. Hence the Joint Working Group on Israeli–Palestinian Relations developed two compromise solutions. They narrow the gap between the positions, but do not fully reconcile them. The compromise solution espoused by the Palestinian members of the Joint Working Group would insist that Israel acknowledge both its responsibility for creating the refugee problem and the individual moral right of Palestinian refugees to return. But it recognizes that, in view of the changed situation of the refugees over 50 years, and taking into account Israel’s constraints, the return of only a limited number would be feasible. Israel would pay both individual and collective compensation. The Palestinians’ case for an Israeli withdrawal to the 1967 borders would be strengthened as a result of their willingness to absorb the refugees in the Palestinian state. Under the compromise solution proposed by the Israeli members of the Joint Working Group, Israel would acknowledge that it shares, with the other parties to the 1948 war, practical, but not moral, responsibility for the suffering of the refugees, and that rectification of their plight is a central goal of the peace process. Israel would accept repatriation of tens of thousands of refugees under its family reunification program. Israel would pay collective compensation to the Palestinian state, paralleled by Arab State compensation for Jewish refugees from 1948. In seeking to further reconcile these two compromise solutions, we note that they reflect a large measure of agreement between Palestinians and Israelis: that Israel had a historic role in the events that created the refugee issue; that a massive exercise of the right of return is unrealizable, and “return”/family reunification will be limited; that a larger number of Palestinians will “return” to the Palestinian state; that some resettlement will take place in host states, primarily Jordan; that Israel will pay some form of compensation; and that closing the file on the refugee issue means the dismantling of the entire international apparatus that has sustained the refugees—camps, UNRWA, etc. But there remain significant gaps between the two sides’ compromise proposals as well. These concern the nature of Israeli acknowledgement of Palestinian suffering and the responsibility for it; the nature and number of “return”/family reunification; the nature and size of compensation, and its linkage to compensation for Jewish refugees from 1948; and the size of “return” to the Palestinian state. In order to negotiate an agreed solution that bridges these remaining gaps, Israelis and Palestinians will have to develop the mutual trust required to further accommodate each other’s narratives. They will also, inevitably, have to factor the refugee/right of return issue into the broader fabric of tradeoffs and compromises that will characterize a comprehensive solution to the conflict. This will involve additional parties—primarily the refugee host countries—as well as related substantive issues, such as borders.
Lavater was admired and detested for his unconventional approach to theology and his rediscovery of physiognomy. He was an avid communicator and through his correspondence became known to almost all leading personalities of eighteenth century Europe, such as Goethe, Wieland and Rousseau. The more than 21,000 letters in Lavater's estate in the Zentralbibliothek Zürich display the enormous thematic variety produced during a remarkable forty years of correspondence. This unique source material is now being published for the first time. IDC Publishers makes this collection available for research to such various disciplines as theology, history, literature, arts, humanities and above all, the history of eighteenth century culture. Scope: * 9,121 letters from Lavater * 12,302 letters to Lavater * 1,850 correspondents
Dutch nominalised infinitives have been notoriously difficult to analyse, partly because they seem to show mixed verbal and nominal properties interspersed across the structure. In this paper, it is argued that at least two types of such infinitives should be distinguished, one which contains a high level of verbal functional structure, and one that differs at least in not projecting TP. On the basis of this distinction it is possible to show that Dutch nominalised infinitives have much more predictable properties than could previously be identified. They show evidence of conforming to a model of analysing mixed categories in terms of category switch within the constituent. In order to account for the seemingly interspersed nature of nominal and verbal properties in Dutch nominalised infinitives I propose that Dutch of-phrases (van-phrases) may merge inside the VP, provided they have access to nominal functional structure for feature checking. I will show that if D° is filled by a special type of non-deictic demonstratives van-phrases may even occur in SpecDP.
Ruth First papers
(2001)
Scope and content: The collection includes personal material of First and her immediate family such as correspondence and financial records, papers relating to First's work as a journalist in South Africa, as a university lecturer, an anti-apartheid activist, and as an author and editor of numerous books and articles on Africa and other political topics. Also included are research papers and printed material relating to First and her family, collected both during her lifetime and after her death. System of arrangement: The collection is divided into individual deposits which have been presented separately to the Institute of Commonwealth Studies. As far as has been possible, the arrangement of the material within each deposit reflects the system of arrangement used by First, although much has been resorted. Throughout this catalogue the series into which the collection is divided are shown with the reference, title and date underlined. Orderable files are described without underlining.