The editors of Authors Take Sides on the Spanish War, which was published in London by the Left Review in 1937, posed two questions to a list of writers: "Are you for, or against, the legal Government and the People of Republican Spain? Are you for, or against, Franco and Fascism?" The question was distributed by mail to hundreds of writers in the United Kingdom to solicit responses for publication. The editors' appeal closes: "We wish the world to know what you, writers and poets, who are amongst the most sensitive instruments of a nation, feel." Authors Take Sides on the Spanish War consists of brief remarks from 148 contributors in a "10,000 word" pamphlet. Authors Take Sides on the Spanish War contains many influential writers' opinions on one of the most significant conflicts of the twentieth century, but the publication has since received almost no editorial attention. The pamphlet was reissued in 2001 as a photoduplication of the original--without commentary or annotation--and due to a printer's error, it is missing two leaves. This annotated edition of Authors Take Sides on the Spanish War includes an archive of related correspondence, articles, and other writings pertinent to the pamphlet and the political, social, and cultural climate of Europe around the Spanish Civil War. Of particular interest are unpublished documents related to the publication of the pamphlet from the Nancy Cunard archive at the University of Texas-Austin's Harry Ransom Center for the Humanities, as well as an examination of textual decisions and revisions within the work of Arthur Koestler and six other authors who wrote on the Spanish Civil War. It is in this way that this edition of Authors Take Sides on the Spanish War also takes on many of the qualities of a dossier in that it brings together documentary evidence of a certain kind to provide a range of perspectives on this cultural and historical moment. / 2016-11-01T00:00:00Z

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Left ventricular flows in the human heart are very complex and in the presence of a diseased condition, such as unhealthy or prosthetic heart valves, the complexity of the flow is further increased. The intricacy of the heart geometry combined with the pulsatile character of the flow, the interaction of high-speed jets with the flexible walls, and the unsteady motion of the heart valve leaflets generate inherently complicated flow fields. It is therefore essential that we study and understand the complex cardiac energetics and physics of blood flow in both healthy and diseased hearts. Although artificial heart valves, mechanical and biological, have evolved to a level of universal acceptance, they have never reached a level of performance comparable to that of the natural valves of the heart. Many of the problems are directly related to the fluid mechanics. Considering that mechanical heart valves (MHV) are more commonly implanted because of their durability, it is imperative to better understand their hemodynamic behavior. Yet to date, no study has documented in depth the complex hemodynamic characteristics of left ventricular flows and assessed the intricate structures that are generated in the left ventricle (LV) due to vortex formation (roll-up of shear layers shed past the valve leaflets), turbulence characteristics, and energetics. The flow through pivoted leaflets of MHVs induces a combination of flow characteristics that are dependent on the specific valve design and orientation. The aim of the present study is to provide new insight into the spatio-temporal dynamics of the flow distal to a mitral MHV by employing a state-of-the-art, high resolution, flow diagnostic method, Time Resolved Digital Particle Image Velocimetry (TRDPIV) in a flexible, transparent LV documenting the evolution of eddies and turbulence during a complete period of the heart cycle. The broad impact of the proposed research extends beyond the hemodynamics of heart valve prosthesis. The research herein will enable the development of a tool for application in all cardiac energetic studies (unhealthy valves, tissue engineered valves, cardiac remodeling stages, and even congestive heart failure) and aid in better diagnosis of the efficiency and performance of the heart. The last component of the dissertation involved the translation of my dissertation research into an engineering educational tool for undergraduate engineering students. / Ph. D.

In this paper, we present techniques for proving a group to be non-left-orderable or a unique product group. These methods involve the existence of a mapping from the group to R which obeys a left-multiplication criterion. By determining the existence or non-existence of such a mapping, the desired information about the group can be concluded. As examples, we apply this technique to groups of transformations in hyperbolic 2- and 3- space, and Fibonacci groups. / Master of Science

Let p and q be distinct primes, and G an elementary amenable group that is a residually finite p-group and a residually finite q-group. We conjecture that such groups G are left orderable. In this paper we show some results which came as attempts to prove this conjecture. In particular we give a condition under which split extensions of residually finite p-groups are again residually finite p-groups. We also give an example which shows that even for elementary amenable groups, it is not sufficient for biorderablity that the group be a residually finite p-group and a residually finite q-group. / Master of Science

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The fall of the Berlin Wall and the announcement by the leader of the Italian Communist Party (PCI), Achille Occhetto, that the time had come to shed its communist name and identity inaugurated a decade of uncertainty and change for the party. As the Party of the Democratic Left (PDS), it faced the challenge of developing its post-communist identity amid the upheaval in the Italian political system that followed the Tangentopoli (Bribesville) scandal. The transition to the 'Second Republic', spurred by widespread anti-party sentiment, brought new electoral systems and forms of coalition-making, a changed array of allies and opponents, a personalisation of certain political roles, and changed relationships between the national and local dimensions of politics. In 2000, now called the Left Democrats (DS), the party was the largest component in the nationally governing coalition and even provided the prime minister. Yet the rise to the pinnacle of power had been accompanied by decreasing electoral support. In over ten years of post-communist life, the party had failed to achieve the real breakthrough hoped for by Occhetto: to unite the Italian left in a single party that dominated government or opposition, as in other Western European countries. The primary aim of this thesis is to contribute to understanding the party's fortunes through a case study of the way the turbulent years from 1989 to 2000 were experienced in the Venetian provincial federation. This decade of change has so far not been examined from a local perspective, yet local studies were particularly fruitful in the analysis of the PCI, as they allowed exploration of the ways party debates were perceived, and decisions made at national level were implemented, 'on the ground' in specific contexts. I have not chosen the Venetian federation as a microcosm of the experience in the periphery as a whole but as an interesting and relevant component of the full picture. The Venetian party enjoyed greatly increased responsibilities in government at sub-national levels in the second half of the 1990s, due to successful alliance strategies, but decreasing electoral support. I seek to explain the local party's electoral and power outcomes in terms of a combination of external and internal factors: on one hand, the opportunities and constraints presented by the changing environment; and, on the other, internal dynamics that hampered the party in responding to those challenges. In particular I stress the significance of the crisis precipitated by Occhetto's proposal to transform the party in 1989 and the constraints on the local party's legitimacy and visibility in the competitive environment that developed in the Second Republic. I attribute these constraints to the mixed electoral systems operating at sub-national levels, intra-coalition rivalry, and a striking case of an individual enjoying personal power and influence in the local political system. As a secondary theme, I analyse change in the party type that accompanied these outcomes, in light of theories on general trends in party transformations in Western Europe. I identify rapid changes in the local party's aims, functions and organisational roles and relationships, and in its relationship with the national leadership. I argue that this process of change, consistent with the transformation of a mass party into an electorally focused party, was accelerated at local level by the changing competitive environment and the sudden increase in government responsibilities. The introduction in chapter 1 sets the party's story in context and outlines the aims and argument of the thesis. Chapter 2 introduces the local case study in light of existing analyses of the party's development, the tradition of local studies of the PCI, and theories on party types and transformations. The central chapters are dedicated to the case study, which is based largely on interviews with members of the federation's leadership groups in various periods. The organisation of the material reflects my division of the federation's story into distinct phases, each reflecting a stage in the development of both the party's alliance strategy and the local political system. In the concluding chapter, I discuss the implications of the case study findings for the party as a whole and make a claim for the continuing validity of local studies of Italian political parties.

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This research presents more realistic models for left-turn and through volume capacity by taking into account the probabilistic nature of the left-turn bay blockages and spillbacks at a signalized intersection under the leading phasing scheme with a short left-turn bay. Generally, the left-turn bay spillback situation has been overlooked in the leading left-turn signal because much attention has been given to the more common problem of left-turn blockage under the leading left signal. The left-turn spillback situation, however, might happen because the ratio of left-turning vehicle tends to be relatively high in the traffic after the occurrence of left-turn bay blockage. That is, left-turn bay blockage, spillback situations, left-turn capacity, and through capacity are closely connected with one another. Hence, this research estimates more precisely the capacity for through and left-turn movement by considering the left-turn bay blockage and spillback situations associated with left-turn bay under leading left-turn signal operations. In order to find general agreement between the results from this proposed model and a real-world situation, the developed capacity model is validated with the results from CORSIM simulations of a real-world signalized intersection. The binomial distribution is applied as the arrival distribution for through movement considering the characteristics of expected arrivals under heavy flow conditions. Finally, since left-turn bay blockage and spillback situation seem to have adverse impacts on each other, this research investigates if there are any dependent relationships between left-turn bay blockage and spillback. Here, this study confirmed that close relationships between left-turn bay blockage and spillback situations obviously exists.