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18 results on '"Coussement, J."'

1. Multinational case-control study of risk factors for the development of late invasive pulmonary aspergillosis following kidney transplantation

Author

López-Medrano, F., Fernández-Ruiz, M., Silva, J.T., Carver, P.L., van Delden, C., Merino, E., Pérez-Saez, M.J., Montero, M., Coussement, J., de Abreu Mazzolin, M., Cervera, C., Santos, L., Sabé, N., Scemla, A., Cordero, E., Cruzado-Vega, L., Martín-Moreno, P.L., Len, Ó., Rudas, E., Ponce de León, A., Arriola, M., Lauzurica, R., David, M.D., González-Rico, C., Henríquez-Palop, F., Fortún, J., Nucci, M., Manuel, O., Paño-Pardo, J.R., Montejo, M., Vena, A., Sánchez-Sobrino, B., Mazuecos, A., Pascual, J., Horcajada, J.P., Lecompte, T., Moreno, A., Carratalà, J., Blanes, M., Hernández, D., Hernández-Méndez, E.A., Fariñas, M.C., Perelló-Carrascosa, M., Muñoz, P., Andrés, A., and Aguado, J.M.

Published
2018
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2. Clinical Presentation and Determinants of Mortality of Invasive Pulmonary Aspergillosis in Kidney Transplant Recipients: A Multinational Cohort Study

Author

López-Medrano, F., Fernández-Ruiz, M., Silva, J.T., Carver, P.L., van Delden, C., Merino, E., Pérez-Saez, M.J., Montero, M., Coussement, J., de Abreu Mazzolin, M., Cervera, C., Santos, L., Sabé, N., Scemla, A., Cordero, E., Cruzado-Vega, L., Martín-Moreno, P.L., Len, ó., Rudas, E., de León, A.P., Arriola, M., Lauzurica, R., David, M., González-Rico, C., Henríquez-Palop, F., Fortún, J., Nucci, M., Manuel, O., Paño-Pardo, J.R., Montejo, M., Muñoz, P., Sánchez-Sobrino, B., Mazuecos, A., Pascual, J., Horcajada, J.P., Lecompte, T., Moreno, A., Carratalà, J., Blanes, M., Hernández, D., Fariñas, M.C., Andrés, A., and Aguado, J.M.

Published
2016
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3. Risk Factors Associated With Early Invasive Pulmonary Aspergillosis in Kidney Transplant Recipients: Results From a Multinational Matched Case–Control Study

Author

López‐Medrano, F., Silva, J.T., Fernández‐Ruiz, M., Carver, P.L., van Delden, C., Merino, E., Pérez‐Saez, M.J., Montero, M., Coussement, J., de Abreu Mazzolin, M., Cervera, C., Santos, L., Sabé, N., Scemla, A., Cordero, E., Cruzado‐Vega, L., Martín‐Moreno, P.L., Len, Ó., Rudas, E., de León, A. Ponce, Arriola, M., Lauzurica, R., David, M., González‐Rico, C., Henríquez‐Palop, F., Fortún, J., Nucci, M., Manuel, O., Paño‐Pardo, J.R., Montejo, M., Muñoz, P., Sánchez‐Sobrino, B., Mazuecos, A., Pascual, J., Horcajada, J.P., Lecompte, T., Lumbreras, C., Moreno, A., Carratalà, J., Blanes, M., Hernández, D., Hernández‐Méndez, E.A., Fariñas, M.C., Perelló‐Carrascosa, M., Morales, J.M., Andrés, A., and Aguado, J.M.

Published
2016
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12. Some discrete multiple orthogonal polynomials

Author

Arvesú, J., Coussement, J., and Van Assche, W.

Subjects
*ORTHOGONAL polynomials, *DISCRETE groups
Abstract

In this paper, we extend the theory of discrete orthogonal polynomials (on a linear lattice) to polynomials satisfying orthogonality conditions with respect to r positive discrete measures. First we recall the known results of the classical orthogonal polynomials of Charlier, Meixner, Kravchuk and Hahn (T.S. Chihara, An Introduction to Orthogonal Polynomials, Gordon and Breach, New York, 1978; R. Koekoek and R.F. Swarttouw, Reports of the Faculty of Technical Mathematics and Informatics No. 98-17, Delft, 1998; A.F. Nikiforov et al., Classical Orthogonal Polynomials of a Discrete Variable, Springer, Berlin, 1991). These polynomials have a lowering and raising operator, which give rise to a Rodrigues formula, a second order difference equation, and an explicit expression from which the coefficients of the three-term recurrence relation can be obtained. Then we consider r positive discrete measures and define two types of multiple orthogonal polynomials. The continuous case (Jacobi, Laguerre, Hermite, etc.) was studied by Van Assche and Coussement (J. Comput. Appl. Math. 127 (2001) 317–347) and Aptekarev et al. (Multiple orthogonal polynomials for classical weights, manuscript). The families of multiple orthogonal polynomials (of type II) that we will study have a raising operator and hence a Rodrigues formula. This will give us an explicit formula for the polynomials. Finally, there also exists a recurrence relation of order r+1 for these multiple orthogonal polynomials of type II. We compute the coefficients of the recurrence relation explicitly when r=2. [Copyright &y& Elsevier]

Published
2003
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