5,758 research outputs found

    Innovative spatial timber structures: workshops with physical modeling explorations from small to full scale

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    Architects and Engineers are educated and work within two separate cultures yet they are both concerned with conceptual structural design. The collaboration between the professions is especially important when designing buildings where the structure to a great degree forms the spaces, as in the cases of form generating structures such as gridshells, reciprocal frames, space trusses etc . This paper describes several specialist research based workshops developed at KA over the last two years that use physical modelling of 1:1 innovative timber load-bearing structures such as gridshells and reciprocal frames

    Consumption Risk and the Cross-Section of Government Bond Returns

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    Acknowledgments We are grateful to the anonymous reviewers for their constructive suggestions which helped us to improve the manuscript. We would also like to thank David Babbel, Angela Black, Jordi Caballe, Laurence Copeland, Antonio Diez de los Rios, Kabir Dutta, Javier Gil-Bazo, Lynda Khalaf, Chung-Ming Kuan, Patrick Minford, Francisco Penaranda, Jesper Rangvid, Enrique Sentana and seminar participants at the Universities of Aarhus, Aberdeen, Autonoma de Barcelona, Cardiff, Carlos III de Madrid, Essex, National Central University (Taiwan), National Taiwan University, Pompeu Fabra, Reading and the participants at the 2009 Warsaw International Economic Meeting, 2009 Econometric Society European Meeting Barcelona, 2009 ASSET Istanbul, XVII Foro Finanzas Madrid, XXXIV SAEe Valencia, 5th PhD Meeting of RES London for helpful discussions and comments.Peer reviewedPostprintPostprin

    GATA1 (GATA binding protein 1 (globin transcription factor1))

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    We provide a survey of the disease entities associated with GATA1 mutations

    Kaluza-Klein 5D Ideas Made Fully Geometric

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    After the 1916 success of General relativity that explained gravity by adding time as a fourth dimension, physicists have been trying to explain other physical fields by adding extra dimensions. In 1921, Kaluza and Klein has shown that under certain conditions like cylindricity (∂gij/∂x5=0\partial g_{ij}/\partial x^5=0), the addition of the 5th dimension can explain the electromagnetic field. The problem with this approach is that while the model itself is geometric, conditions like cylindricity are not geometric. This problem was partly solved by Einstein and Bergman who proposed, in their 1938 paper, that the 5th dimension is compactified into a small circle S1S^1 so that in the resulting cylindric 5D space-time R4×S1R^4\times S^1 the dependence on x5x^5 is not macroscopically noticeable. We show that if, in all definitions of vectors, tensors, etc., we replace R4R^4 with R4×S1R^4\times S^1, then conditions like cylindricity automatically follow -- i.e., these conditions become fully geometric.Comment: 14 page

    Using an Engaged Scholarship Symposium to Change Perceptions: Evaluation Results

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    Engaged scholarship (ES) entails a symbiotic relationship between the community and the university. This article reports results from an evaluation of an ES symposium Eastern Carolina University held to increase awareness of ES as a means for integrating research, teaching, and service and to potentially change unfavorable perceptions about ES through education and testimonials. After the symposium, participants were more likely to suggest that the university should put more weight on ES. On the basis of our findings, we believe that a symposium designed to encourage open dialogue among faculty, administrators, and Extension professionals can lead to increased awareness of and changes in attitudes toward ES
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