76,542 research outputs found

    J. M. Meijer, Knowledge and Revolution

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    Schnerb Robert. J. M. Meijer, Knowledge and Revolution. In: Annales. Économies, Sociétés, Civilisations. 13ᵉ année, N. 4, 1958. pp. 818-819

    Cauchy–Laguerre two-matrix model and the Meijer-G random point field

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    We apply the general theory of Cauchy biorthogonal polynomials developed in Bertola et al. (Commun Math Phys 287(3):983-1014, 2009) and Bertola et al. (J Approx Th 162(4):832-867, 2010) to the case associated with Laguerre measures. In particular, we obtain explicit formulae in terms of Meijer-G functions for all key objects relevant to the study of the corresponding biorthogonal polynomials and the Cauchy two-matrix model associated with them. The central theorem we prove is that a scaling limit of the correlation functions for eigenvalues near the origin exists, and is given by a new determinantal two-level random point field, the Meijer-G random field. We conjecture that this random point field leads to a novel universality class of random fields parametrized by exponents of Laguerre weights. We express the joint distributions of the smallest eigenvalues in terms of suitable Fredholm determinants and evaluate them numerically. We also show that in a suitable limit, the Meijer-G random field converges to the Bessel random field and hence the behavior of the eigenvalues of one of the two matrices converges to the one of the Laguerre ensemble. © 2013 Springer-Verlag Berlin Heidelberg

    Novel biomarkers for cervical screening and surveillance of women treated for cervical precancer

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    Meijer, C.J.L.M. [Promotor]Helmerhorst, T.H.J.M. [Promotor]Steenbergen, R.D.M. [Copromotor]Berkhof, J. [Copromotor

    Leptoptilos robustus Meijer & Due 2010, SP. NOV.

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    LEPTOPTILOS ROBUSTUS SP. NOV. <p> <i>Holotype:</i> Associated partial skeleton with wing and leg bones (Figs 3, 5, 7, 9), consisting of the proximal half of a left carpometacarpus (preliminary registration nr LBA-XI-01) and the distal part of a left ulna (LBA-XI-02), an almost complete left femur (LBA-XI- 03), and the distal part of a left tibiotarsus (LBA-XI-</p> <p>04). The bones are stored at the National Centre for Archaeology in Jakarta (Indonesia).</p> <p> <i>Etymology:</i> From the Latin <i>robustus</i> meaning ‘strong, robust’, and referring to the large tibiotarsus and the thickness of its cortex.</p> <p> <i>Type locality:</i> Liang Bua cave, Manggarai Province, Flores, Indonesia at 08°31′50.4″S, 120°26′36.9″E.</p> <p> <i>Type horizon and age:</i> Sector XI at Liang Bua (Fig. 1) at a depth of 425–470 cm in layers of brown clayey silts (Layer O in Fig. 2) and Late Pleistocene in age (Morwood <i>et al.</i>, 2005).</p> <p> <i>Diagnosis:</i> A large species of extinct <i>Leptoptilos</i> resembling <i>L. dubius</i> in dimensions of the femur, carpometacarpus, and ulna, but with a tibiotarsus wider and deeper than any living <i>Leptoptilos</i> and yet smaller than <i>L. falconeri</i>, and with the following unique combination of characters: pneumatized carpometacarpus with a distinct foramen in the fossa infratrochlearis; femur with well-pronounced muscle scars on proximocranial surface; linea intermuscularis cranialis and linea intermuscularis caudalis with a more lateral and medial location on the shaft, respectively, than extant Leptoptilini; condylus ventralis ulnae pointed, elevated, and projecting distally; tuberculum carpale rectangular in ventral view; foramen in incisura tuberculi carpalis; tibiotarsus with straight shaft and bone wall thicker than any species of <i>Leptoptilos</i>; sulcus extensorius shallow, narrow, and located on medial half of bone.</p> <p> Apomorphies for the genus <i>Leptoptilos</i> are the pneumatized carpometacarpus with a distinct foramen in the fossa infratrochlearis and the pointed condylus ventralis ulnae. Autapomorphic characters for <i>L. robustus</i> sp. nov. are its large size, the thickening of the cortical bone wall of the tibiotarsus, the absence of a rotation in the tibiotarsal shaft, the elevated and distal projection of the pointed condylus ventralis ulnae, pronounced muscle scars on the proximocranial surface of the femur, and a more lateral and medial location of the linea intermuscularis cranialis and linea intermuscularis caudalis on the femur shaft.</p>Published as part of <i>Meijer, Hanneke J. M. & Due, Rokus Awe, 2010, A new species of giant marabou stork (Aves: Ciconiiformes) from the Pleistocene of Liang Bua, Flores (Indonesia), pp. 707-724 in Zoological Journal of the Linnean Society 160 (4)</i> on pages 714-716, DOI: 10.1111/j.1096-3642.2010.00616.x, <a href="http://zenodo.org/record/5757493">http://zenodo.org/record/5757493</a&gt
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