30,367 research outputs found

    Rational points and non-anticanonical height functions

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    A conjecture of Batyrev and Manin predicts the asymptotic behaviour of rational points of bounded height on smooth projective varieties over number fields. We prove some new cases of this conjecture for conic bundle surfaces equipped with some non-anticanonical height functions. As a special case, we verify these conjectures for the first time for some smooth cubic surfaces for height functions associated to certain ample line bundles.Comment: 16 pages; minor corrections; Proceedings of the American Mathematical Society, 147 (2019), no. 8, 3209-322

    The Utopian

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    The paper was concerned with the future of the social housing complex in Poplar, East London called Robin Hood Gardens designed, conceived and built in the late 60's by Alison and Peter Smithson. The project and publication centred on the possible future for the building through a series of articles and conceptual visions created by us as the authors

    Resistance in a \u27Culture of Permission:\u27 Sociological Readings of the Correspondence with Persian Authorities in Ezra 1-7

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    The first six chapters of the book of Ezra center around an alleged correspondence between the Persian Emporer\u27s court and the local authorities of Palestine under Persian rule. Without question, these letters were crucial to the editors of Ezra-Nehemiah. But why? What does the reproduction of this alleged official correspondence mean to the final editors of Ezra-Nehemiah

    Multi-threaded Output in CMS using ROOT

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    CMS has worked aggressively to make use of multi-core architectures, routinely running 4- to 8-core production jobs in 2017. The primary impediment to efficiently scaling beyond 8 cores has been our ROOT-based output module, which has been necessarily single threaded. In this paper we explore the changes made to the CMS framework and our ROOT output module to overcome the previous scaling limits, using two new ROOT features: the \texttt{TBufferMerger} asynchronous file merger, and Implicit Multi-Threading. We examine the architecture of the new parallel output module, the specific accommodations and modifications that were made to ensure compatibility with the CMS framework scheduler, and the performance characteristics of the new output module.Comment: Submitted to CHEP 2018 - 23rd International Conference on Computing in High Energy and Nuclear Physics; 6 pages, 4 figures, uses webofc clas
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