6,162 research outputs found

    Concentration inequalities for mean field particle models

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    This article is concerned with the fluctuations and the concentration properties of a general class of discrete generation and mean field particle interpretations of nonlinear measure valued processes. We combine an original stochastic perturbation analysis with a concentration analysis for triangular arrays of conditionally independent random sequences, which may be of independent interest. Under some additional stability properties of the limiting measure valued processes, uniform concentration properties, with respect to the time parameter, are also derived. The concentration inequalities presented here generalize the classical Hoeffding, Bernstein and Bennett inequalities for independent random sequences to interacting particle systems, yielding very new results for this class of models. We illustrate these results in the context of McKean-Vlasov-type diffusion models, McKean collision-type models of gases and of a class of Feynman-Kac distribution flows arising in stochastic engineering sciences and in molecular chemistry.Comment: Published in at http://dx.doi.org/10.1214/10-AAP716 the Annals of Applied Probability (http://www.imstat.org/aap/) by the Institute of Mathematical Statistics (http://www.imstat.org

    On Kahan's Rules for Determining Branch Cuts

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    In computer algebra there are different ways of approaching the mathematical concept of functions, one of which is by defining them as solutions of differential equations. We compare different such approaches and discuss the occurring problems. The main focus is on the question of determining possible branch cuts. We explore the extent to which the treatment of branch cuts can be rendered (more) algorithmic, by adapting Kahan's rules to the differential equation setting.Comment: SYNASC 2011. 13th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing. (2011

    LAPORAN INDIVIDU PRAKTIK PENGALAMAN LAPANGAN PERIODE 15 JULI – 15 SEPTEMBER 2016 SMA NEGERI 3 KLATEN

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    Pelaksanaan Praktik Pengalaman Lapangan (PPL) merupakan salah satu mata kuliah yang wajib ditempuh oleh mahasiswa sebagai salah satu syarat dalam menyelesaikan gelar sebagai sarjana pendidikan selain tugas akhir skripsi di Universitas Negeri Yogyakarta. Visi dari Praktik Pengalaman Lapangan adalah wadah pembentukan calon guru atau tenaga kependidikan yang profesional. Praktik Pengalaman Lapangan (PPL) dilaksanakan di SMA Negeri 3 Klaten, tepatnya di Jalan Mayor Sunaryo 42, Jonggrangan, Klaten Utara, Klaten. Kegiatan ini dimulai secara efektif pada tanggal 18 Juli dan diakhiri pada tanggal 14 September 2016. Praktik Pengalaman Lapangan merupakan kegiatan pembelajaran di sekolah. Dalam kegiatan pembelajaran perlu melakukan persiapan, diantaranya pembuatan RPP, administrasi pendidik, serta media pembelajaran yang diperlukan. Selama kegiatan PPL mahasiswa diberi kepercayaan untuk mengampu kelas X MIPA 3, 4, 5 dan 6 dibawah bimbingan Bapak Drs. Mulyadi. Evaluasi terhadap peserta didik dilakukan melalui Ulangan Pendalaman Materi atau Ulangan Harian, kuis dan penugasan. Secara kesuluruhan PPL berjalan dengan baik dan lancar. Keberhasilan pelaksanaan PPL ini hendaknya disikapi oleh pihak Universitas Negeri Yogyakarta dengan mempertahankan dan meningkatkan jalinan komunikasi dan kerjasama dengan SMA Negeri 3 Klaten

    Spectral Bandits for Smooth Graph Functions

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    International audienceSmooth functions on graphs have wide applications in manifold and semi-supervised learning. In this paper, we study a bandit problem where the payoffs of arms are smooth on a graph. This framework is suitable for solving online learning problems that involve graphs, such as content-based recommendation. In this problem, each item we can recommend is a node and its expected rating is similar to its neighbors. The goal is to recommend items that have high expected ratings. We aim for the algorithms where the cumulative regret with respect to the optimal policy would not scale poorly with the number of nodes. In particular, we introduce the notion of an effective dimension, which is small in real-world graphs, and propose two algorithms for solving our problem that scale linearly and sublinearly in this dimension. Our experiments on real-world content recommendation problem show that a good estimator of user preferences for thousands of items can be learned from just tens of nodes evaluations

    Extending the Calculus of Constructions with Tarski's fix-point theorem

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    We propose to use Tarski's least fixpoint theorem as a basis to define recursive functions in the calculus of inductive constructions. This widens the class of functions that can be modeled in type-theory based theorem proving tool to potentially non-terminating functions. This is only possible if we extend the logical framework by adding the axioms that correspond to classical logic. We claim that the extended framework makes it possible to reason about terminating and non-terminating computations and we show that common facilities of the calculus of inductive construction, like program extraction can be extended to also handle the new functions

    On the dimension of spline spaces on planar T-meshes

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    We analyze the space of bivariate functions that are piecewise polynomial of bi-degree \textless{}= (m, m') and of smoothness r along the interior edges of a planar T-mesh. We give new combinatorial lower and upper bounds for the dimension of this space by exploiting homological techniques. We relate this dimension to the weight of the maximal interior segments of the T-mesh, defined for an ordering of these maximal interior segments. We show that the lower and upper bounds coincide, for high enough degrees or for hierarchical T-meshes which are enough regular. We give a rule of subdivision to construct hierarchical T-meshes for which these lower and upper bounds coincide. Finally, we illustrate these results by analyzing spline spaces of small degrees and smoothness

    Ouverture des donnĂ©es de recherche - Guide d’analyse du cadre juridique en France

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    Ce document a Ă©tĂ© conçu en appui aux politiques d’ouverture des donnĂ©es de la recherche ; il aborde les questions techniques, documentaires, Ă©conomiques et juridiques liĂ©es Ă  ces problĂ©matiques

    PERLINDUNGAN HUKUM TERHADAP PELAKSANAAN JAMINAN KESEHATAN BAGI PEKERJA SETELAH PERALIHAN STATUS KELEMBAGAAN JAMSOSTEK MENJADI BADAN PENYELENGGARA JAMINAN SOSIAL (BPJS)

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    Tujuan dilakukannya penelitian ini adalah untuk mengetahui bagaimana alasan transfomasi pembentukan Jamsostek menjadi BPJS (Badan Penyelenggara Jaminan Sosial dan bagaimana pelaksanaan perlindungan hukum jaminan kesehatan bagi pekerja setelah transformasi JAMSOSTEK menjadi BPJS (Badan Penyelenggara Jaminan Sosial. Dengan menggunakan metode penelitian yuridis normatif, disimpulkan: 1. Alasan transfomasi Jamsostek menjadi BPJS (Badan Penyelenggara jaminan Sosial) hendaknya masyarakat merasakan bahwa badan penyelenggara bermanfaat bagi peningkatan efisiensi dan efektifitas penyelenggaraan jaminan kesehatan kerja dalam menjangkau segenap lapisan masyarakat. Adapun alasan penyelenggaraan jaminan sosial secara nasional adalah bahwa jaminan sosial sebagai instrumen negara yang dirancang untuk redistribusi risiko secara nasional sesuai asas dan prinsip-prinsip UU SJSN. 2. Perlindungan hukum merupakan hak manusia sebagai subjek hukum, baik ketika ia berada dalam posisinya sebagai orang perseorangan/pribadi, maupun ketika ia berada dalam suatu komunitas, kelompok atau keadaan lain. Pemerintah melalui berbagai Undang-undang dan peraturan pelaksanaannya, di samping memberikan penegasan terhadap wujud hak-hak yang dimiliki oleh pekerja, juga menyertakan jaminan-jaminan perlindungan terhadap hak-hak pekerja tersebut. Secara umum bentuk perlindungan yang terkait dengan hal tersebut di atas adalah, terbitnya berbagai peraturan yang mengatur tentang upah, jam kerja, cuti/libur, kesehatan dan keselamatan kerja, organisasi pekerja/buruh dan lainlain. Di samping itu diselenggarakan pula dalam bentuk program-program jaminan sosial bidang ketenagakerjaan, yang meliputi jaminan sosial dan kesehatan (BPJS).Kata kunci: Pelaksanaan jaminan kesehatan, pekerja, transformasi kelembagaan jemasostek, badan penyelenggara jaminan sosial (BPJS)

    Véhicules autonomes et connectés: Les défis actuels et les voies de recherche

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    International audienceLes livres blancs d'Inria examinent les grands dĂ©fis actuels posĂ©s par le numĂ©rique et prĂ©sentent les actions menĂ©es par nos Ă©quipes-projets pour les rĂ©soudre. Ils ont pour objectif de faire le point sur une problĂ©matique en prĂ©cisant ses complexitĂ©s, en dĂ©taillant les voies de recherches existantes ou en Ă©mergence et en dĂ©crivant les impacts sociĂ©taux attendus et Ă  prĂ©voir.Le monde de la mobilitĂ© est en profonde mutation. Le dĂ©ploiement du vĂ©hicule autonome va non seulement transformer nos modes de transports, mais surtout avoir un impact sur l'Ă©volution de la sociĂ©tĂ© - en termes de sĂ©curitĂ©, d'environnement, d'urbanisme... – et sur l'industrie automobile elle-mĂȘme, avec de nouveaux vĂ©hicules dans lesquels l’intelligence artificielle jouera un rĂŽle dĂ©terminant. Pour mieux apprĂ©hender ce bouleversement, il est nĂ©cessaire de comprendre ce qui fait la spĂ©cificitĂ© du vĂ©hicule autonome et connectĂ©, les prouesses technologiques que les acteurs du secteur doivent rĂ©aliser ainsi que le dĂ©veloppement de collaborations entre recherches publique et privĂ©e

    Coherence in monoidal track categories

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    We introduce homotopical methods based on rewriting on higher-dimensional categories to prove coherence results in categories with an algebraic structure. We express the coherence problem for (symmetric) monoidal categories as an asphericity problem for a track category and we use rewriting methods on polygraphs to solve it. The setting is extended to more general coherence problems, seen as 3-dimensional word problems in a track category, including the case of braided monoidal categories.Comment: 32 page
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